AKZ220-231800-
/O.CON.PAFG.FA.W.0003.000000T0000Z-130523T1800Z/
/00000.0.IJ.000000T0000Z.000000T0000Z.000000T0000Z.OO/
YUKON FLATS AND SURROUNDING UPLANDS AK-
357 PM AKDT WED MAY 22 2013



...THE FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 AM AKDT THURSDAY 
FOR THE YUKON RIVER AT FORT YUKON...

AERIAL RECONNAISSANCE WEDNESDAY INDICATED A PORTION OF THE ICE JAM 
12 MILES UPRIVER FROM FORT YUKON HAS RELEASED AND SOME WATER IS 
DRAINING AROUND THE ICE JAM. MINOR FLOODING OF FORT YUKON IS
STILL OCCURRING BUT WATER LEVELS WERE DROPPING WEDNESDAY. ICE 
STILL REMAINS INTACT JUST DOWN RIVER FROM FORT YUKON THAT COULD 
CAUSE AN ADDITIONAL ICE JAM AND MORE SIGNIFICANT FLOODING WEDNESDAY 
EVENING OR THURSDAY. 

RESIDENTS ARE URGED TO MONITOR THE SITUATION AND CONTINUE TO BE 
ALERT FOR CHANGES IN RIVER LEVELS. THEY SHOULD ACT NOW TO PROTECT 
LIVES AND PROPERTY.  

A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. WATER 
LEVELS CAN RISE RAPIDLY AND PEOPLE ALONG THE RIVER ARE ENCOURAGED TO 
MOVE PROPERTY TO HIGHER GROUND AWAY FROM THE RIVER BANK.

LAT...LON 6656 14556 6660 14528 6646 14486 6641 14516

...LOW RELATIVE HUMIDITIES EXPECTED OVER THE ENTIRE COPPER RIVER
BASIN...

THE HIGH PRESSURE RIDGE OVER THE CHUGACH AND WRANGELL MOUNTAINS
WILL PRODUCE WARM AND DRIER CONDITIONS THROUGH THE ENTIRE COPPER
RIVER BASIN THURSDAY AFTERNOON EXTENDING INTO SATURDAY EVENING.

AKZ141-231600-
/X.NEW.PAFC.FW.A.0001.130523T2200Z-130526T0600Z/
COPPER RIVER BASIN-
350 PM AKDT WED MAY 22 2013



...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
SATURDAY EVENING FOR LOW RELATIVE HUMIDITY FOR THE ENTIRE COPPER
RIVER BASIN...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A FIRE
WEATHER WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH SATURDAY EVENING. 

* LOCATION...FOR THE ENTIRE COPPER RIVER BASIN.

* RELATIVE HUMIDITY...POSSIBLY 10 TO 15 PERCENT.

* TIMING...DURING THE AFTERNOON AND EVENING HOURS THURSDAY THROUGH
SATURDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. IT IS DIRECTED TOWARD FIRE AGENCIES...AND
THROUGH THEM TO THE PUBLIC.

&&

AKZ220-240000-
/O.CON.PAFG.FA.A.0002.000000T0000Z-130525T0000Z/
/00000.0.IJ.000000T0000Z.000000T0000Z.000000T0000Z.OO/
YUKON FLATS AND SURROUNDING UPLANDS-
INCLUDING...FORT YUKON...VENETIE...CENTRAL...CIRCLE...
STEVENS VILLAGE...BEAVER...CHALKYITSIK...BIRCH CREEK...
CIRCLE HOT SPRINGS...EAGLE SUMMIT...TWELVEMILE SUMMIT
305 PM AKDT WED MAY 22 2013



...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON FOR
THE YUKON RIVER FROM BEAVER TO RAMPART...

THE FLOOD WATCH CONTINUES FOR

* THE YUKON RIVER FROM BEAVER TO RAMPART.

* THROUGH FRIDAY AFTERNOON

* THE RIVER WATCH TEAM REPORTS THAT ICE IS STARTING TO SHIFT AND
STRETCHES OF RIVER ARE OPENING UP ON THE YUKON RIVER UPSTREAM OF
BEAVER...AND THAT THE WATER LEVEL IS COMING UP. THERE IS ALSO A
5 MILE LONG LEAD DOWNRIVER FROM BEAVER AT THE MOUTH OF THE
HODZANA RIVER. AN ICE JAM REMAINS 12 MILES UPSTREAM OF FORT
YUKON ALTHOUGH WATER IS MOVING AROUND THAT JAM. THE BREAK UP
FRONT IS EXPECTED TO CONTINUE DOWNRIVER PAST BEAVER...STEVENS
VILLAGE...AND RAMPART BETWEEN TODAY AND FRIDAY.

* IF AN ICE JAM FORMS AS THE BREAK UP FRONT MOVES PAST THEN WATER
LEVELS COULD RISE RAPIDLY AND FLOODING COULD OCCUR AT BEAVER...
STEVENS VILLAGE...AND RAMPART BETWEEN NOW AND FRIDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

RESIDENTS ALONG THE RIVER BETWEEN BEAVER...STEVENS VILLAGE...AND
RAMPART SHOULD MONITOR RIVER CONDITIONS AND TAKE PRECAUTIONS TO
PROTECT LIFE AND PROPERTY. WATER LEVELS CAN RISE VERY QUICKLY IF
AN ICE JAM OCCURS.

&&

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM AKDT THIS
EVENING FOR LOW HUMIDITY FOR DELTA JUNCTION AND VICINITY...

AKZ223-230400-
/X.CON.PAFG.FW.W.0001.000000T0000Z-130523T0400Z/
DELTANA AND TANANA FLATS-
219 PM AKDT WED MAY 22 2013



...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM AKDT THIS
EVENING FOR LOW HUMIDITY...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM AKDT THIS
EVENING. 

* RELATIVE HUMIDITY...AS LOW AS 12 PERCENT.

* WINDS...SOUTHEAST 5 TO 15 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CONDITIONS ARE OCCURRING OR WILL
OCCUR WHICH COULD LEAD TO THE DE
3074
VELOPMENT OF LARGE AND DANGEROUS
FIRES. IT IS DIRECTED TOWARD FIRE AGENCIES...AND THROUGH THEM...
TO THE PUBLIC.

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE
FIELD OF THIS RED FLAG WARNING.

&&

...THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A FLOOD 
ADVISORY FOR THE FOLLOWING RIVER LOCATION IN ARKANSAS...

WHITE RIVER AT CLARENDON AFFECTING ARKANSAS AND MONROE COUNTIES 

RIVER FORECASTS ARE BASED ON CURRENT CONDITIONS AND RAINFALL 
FORECASTED TO OCCUR OVER THE NEXT 12 HOURS. DURING PERIODS OF 
FLOODING...EVENING FORECASTS ARE REISSUED WITH UPDATED RAINFALL 
FORECASTS.

OBSERVED AND FORECASTED STAGE DATA PLOTS ARE AVAILABLE ON OUR 
ADVANCED HYDROLOGIC PREDICTION SERVICE WEB PAGE AT...
WWW.SRH.NOAA.GOV/LZK
UNDER THE CURRENT CONDITIONS SECTION...SELECT RIVER AND LAKES AHPS.

ARC001-095-230759-
/O.NEW.KLZK.FL.Y.0016.130522T1659Z-130524T0458Z/
/CLDA4.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
1159 AM CDT WED MAY 22 2013



THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A
* FLOOD ADVISORY FOR
THE WHITE RIVER AT CLARENDON.
* UNTIL THURSDAY EVENING.
* AT 11:00 AM WEDNESDAY THE STAGE WAS 25.4 FEET.
* FLOOD STAGE IS 26.0 FEET.
* FORECAST...THE RIVER WILL RISE TO NEAR 25.9 FEET EARLY FRIDAY 
MORNING. IT IS EXPECTED TO CREST JUST UNDER FLOOD STAGE...
THEN BEGIN A SLOW FALL DURING THE WEEKEND.

AZZ008-230200-
/O.CON.KFGZ.WI.Y.0006.000000T0000Z-130523T0200Z/
YAVAPAI COUNTY MOUNTAINS-
INCLUDING THE CITY OF...PRESCOTT
230 PM MST WED MAY 22 2013



...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING...

* WINDS...SOUTHWEST WINDS OF 20 TO 30 MPH AND GUSTS TO 40 MPH 
WILL CONTINUE THROUGH THE EARLY EVENING. 

* IMPACTS...CROSS WINDS MAY HAMPER TRAVEL ON AREA ROADWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
CONSIDER SECURING LOOSE BELONGINGS ON YOUR PROPERTY. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

...ANOTHER UNSEASONABLY COLD NIGHT FOR NORTHWEST CALIFORNIA...

CAZ002-230730-
/O.EXA.KEKA.FR.Y.0019.130523T0900Z-130523T1500Z/
MENDOCINO COAST-
318 PM PDT WED MAY 22 2013



...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM PDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM PDT THURSDAY. 

* LOW TEMPERATURES...MID TO UPPER 30S IN THE INLAND VALLEYS. LOW
TO MID 40S ALONG THE IMMEDIATE COAST WITH LITTLE TO NO THREAT OF
FROST.

* LOCATIONS...COASTAL AND ADJACENT INLAND AREAS OF MENDOCINO COUNTY.

RY/PREPAREDNESS ACTIONS...

THOSE WITH AGRICULTURAL INTERESTS ARE ADVISED TO PROTECT
SENSITIVE VEGETATION. ADDITIONALLY...SENSITIVE POTTED PLANTS
NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE.

A FROST ADVISORY MEANS WIDESPREAD FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON.

&&

...ANOTHER UNSEASONABLY COLD NIGHT FOR NORTHWEST CALIFORNIA...

CAZ004-076-230730-
/O.CON.KEKA.FZ.W.0007.130523T0900Z-130523T1500Z/
UPPER TRINITY RIVER-MENDOCINO INTERIOR-
318 PM PDT WED MAY 22 2013



...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM PDT
THURSDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM PDT
THURSDAY. 

* LOW TEMPERATURES...UPPER 20S TO LOWER 30S LATE TONIGHT INTO
THURSDAY MORNING. THE COLDEST TEMPERATURES WILL OCCUR IN THE
VALLEY LOCATIONS FROM WEAVERVILLE TO HAYFORK AND COVELO. AREAS
FROM UKIAH SOUTHWARD WILL BE MILDER WITH LOWS NEAR 40 AND ONLY
PATCHY FROST.

* LOCATIONS...TRINITY AND INTERIOR MENDOCINO COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THOSE WITH AGRICULTURAL INTERESTS ARE ADVISED TO PROTECT
SENSITIVE VEGETATION. ADDITIONALLY...SENSITIVE POTTED PLANTS
NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE.

A FREEZE WARNING MEANS FREEZING TEMPERATURES ARE EXPECTED ACROSS
A LARGE AREA DURING THE GROWING SEASON.

&&

...HIGH SURF ADVISORY IN EFFECT UNTIL MIDDAY THURSDAY FOR THE
CENTRAL COAST INCLUDING SAN LUIS OBISPO COUNTY AND THE WESTERN
COAST OF SANTA BARBARA COUNTY...

...HIGH SURF ADVISORY IN EFFECT UNTIL MIDDAY THURSDAY FOR THE
VENTURA AND LOS ANGELES COUNTY COAST...

.GALE FORCE NORTHWESTERLY WINDS WILL CONTINUE ACROSS PORTIONS OF
THE COASTAL WATERS THROUGH THURSDAY. THE BUILDING WIND-GENERATED
WAVES WILL PROPAGATE TOWARD THE COAST AND PRODUCE LARGE BREAKERS
AT MANY OF THE WEST AND NORTHWEST FACING BEACHES.

CAZ034-035-230600-
/O.CON.KLOX.SU.Y.0014.000000T0000Z-130523T1800Z/
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-
1256 PM PDT WED MAY 22 2013



...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT
THURSDAY...

* WAVES AND SURF...SURF WILL BUILD TO 9 TO 13 FEET AT SHORT
INTERVALS.

* TIMING...HIGH SURF CONDITIONS WILL CONTINUE THROUGH MIDDAY 
THURSDAY. 

* IMPACTS...LARGE BREAKERS AND THE HIGH RISK OF RIP CURRENTS WILL
MAKE SWIMMING DANGEROUS. JETTIES CAN ALSO BE DANGEROUS WITH
THESE WAVES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

THE VALLEY AIR DISTRICT HAS ISSUED A HEALTH CAUTIONARY STATEMENT
FOR MERCED...FRESNO...KINGS...TULARE...AND THE VALLEY PORTION OF
KERN COUNTIES FROM WEDNESDAY AFTERNOON THROUGH THIS EVENING DUE
TO BLOWING DUST CAUSED BY WINDY CONDITIONS.

EXPOSURE TO PARTICLE POLLUTION CAN CAUSE SERIOUS HEALTH
PROBLEMS...AGGRAVATE LUNG DISEASE...CAUSE ASTHMA ATTACKS AND
ACUTE BRONCHITIS AND INCREASE RISK OF RESPIRATORY INFECTIONS. IN
PEOPLE WITH HEART DISEASE...SHORT-TERM EXPOSURE TO PARTICLE
POLLUTION HAS BEEN LINKED TO HEART ATTACKS AND ARRHYTHMIA/S...
ACCORDING TO THE U.S. ENVIRONMENTAL PROTECTION AGENCY. CHILDREN
AND ELDERLY PEOPLE ARE ALSO MORE SUSCEPTIBLE TO CONSEQUENCES OF
HIGH PARTICULATE LEVELS.

STAY INDOORS IF POSSIBLE. AVOID PROLONGED OR STRENUOUS OUTDOOR
PHYSICAL ACTIVITIES TO REDUCE THE AFFECTS OF UNHEALTHY AIR.

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
NORTHERN CONNECTICUT
WESTERN AND CENTRAL MASSACHUSETTS
SOUTHERN NEW HAMPSHIRE
EASTERN NEW YORK
NORTHEASTERN PENNSYLVANIA
VERMONT

* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 100 PM
UNTIL 1000 PM EDT.

* PRIMARY THREATS INCLUDE...
SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
SEVERAL LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90
STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH OF
BURLINGTON VERMONT TO 20 MILES SOUTH SOUTHWEST OF MONTICELLO NEW
YORK.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

&&

DISCUSSION...FORCING ASSOCIATED WITH A WEAK UPPER IMPULSE APPEARS TO
BE CONTRIBUTING TO ONGOING VIGOROUS STORM DEVELOPMENT NOW MOVING
INTO/SPREADING ACROSS THE CATSKILL REGION OF NEW YORK.  THIS
ACTIVITY IS EXPECTED TO DEVELOP EASTWARD ACROSS THE HUDSON VALLEY
INTO NEW ENGLAND THIS AFTERNOON...WITH ADDITIONAL STORMS DEVELOPING
IN THE WARMING AND DESTABILIZING BOUNDARY LAYER TO THE WEST...BEFORE
SPREADING EASTWARD.  MODERATELY STRONG AND SHEARED DEEP LAYER
WESTERLY FLOW IS SUFFICIENT FOR SUPERCELL STRUCTURES IN THE PRESENCE
OF WEAK TO MODERATE CAPE...WHICH WILL ENHANCE THE RISK FOR SEVERE
HAIL AND STRONG SURFACE GUSTS.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 27030.


...KERR

THE AIR QUALITY FORECASTS FOR NORTHERN VIRGINIA AND FREDERICK
COUNTY VIRGINIA ARE PROVIDED BY THE VIRGINIA DEPARTMENT OF
ENVIRONMENTAL QUALITY.  THE AIR QUALITY FORECAST FOR THE DC
METRO IS PROVIDED BY THE METROPOLITAN WASHINGTON COUNCIL OF
GOVERNMENTS.  AIR QUALITY FORECASTS FOR MARYLAND ARE PROVIDED
BY THE MARYLAND DEPARTMENT OF ENVIRONMENT.

DCZ001-MDZ004-009-013-016>018-VAZ042-052>054-232000-
DISTRICT OF COLUMBIA-FREDERICK MD-MONTGOMERY-PRINCE GEORGES-
CHARLES-ST. MARYS-CALVERT-LOUDOUN-
PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-
426 PM EDT WED MAY 22 2013



THE FORECAST THURSDAY FOR THE DC METRO AREA IS CODE LEVEL
GREEN...WHICH IS GOOD...AND MEANS LITTLE OR NO HEALTH RISK.
PRIMARY POLLUTANT WILL BE PARTICLES.

FOR MORE INFORMATION ON GROUND-LEVEL OZONE AND FINE
PARTICLES...VISIT WWW.CLEANAIRPARTNERS.NET.

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN FRANKLIN COUNTY IN NORTHEAST GEORGIA...
NORTHERN HART COUNTY IN NORTHEAST GEORGIA...
STEPHENS COUNTY IN NORTHEAST GEORGIA...
SOUTH CENTRAL OCONEE COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 1000 PM EDT

* AT 858 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 7 MILES
NORTHWEST OF CARNESVILLE...AND MOVING NORTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
CARNESVILLE.
EASTANOLEE.
MARTIN.
LAVONIA.
WHITWORTH.
LAKE HARTWELL.
FAIR PLAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BRIEF DAMAGING WINDS WILL BLOW DOWN TREES AND POWER LINES OVER SMALL
AREAS. A BRIEF PERIOD OF LARGE HAIL IS ALSO POSSIBLE. SEEK SHELTER
INSIDE AN INTERIOR ROOM.

PLEASE REPORT DAMAGING WINDS...HAIL...OR FLOODING TO THE NATIONAL
WEATHER SERVICE GREENVILLE SPARTANBURG BY CALLING TOLL FREE...1...
800...2 6 7...8 1 0 1...OR BY POSTING ON OUR FACEBOOK PAGE...OR TWEET
IT USING HASHTAG NWSGSP. YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND
SPECIFIC LOCATION WHERE IT OCCURRED.

&&

LAT...LON 3442 8339 3446 8340 3448 8345 3470 8309
3451 8296 3448 8299 3448 8294 3440 8289
3432 8340
TIME...MOT...LOC 0104Z 242DEG 14KT 3444 8332

GMZ072-230130-
/O.CON.KKEY.MA.W.0097.000000T0000Z-130523T0130Z/
911 PM EDT WED MAY 22 2013



...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 930 PM EDT...

FOR THE FOLLOWING AREA...
STRAITS OF FLORIDA FROM OCEAN REEF TO CRAIG KEY 20 TO 60 NM OUT...

AT 906 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO 
DETECT A THUNDERSTORM...CAPABLE OF PRODUCING A WATERSPOUT AND GUSTY 
WINDS TO 35 KNOTS OR GREATER AROUND 16 NAUTICAL MILES SOUTHEAST OF 
409 HUMPS...MOVING NORTH AT 10 KNOTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE FOR WIND GUSTS IN EXCESS OF 35 KNOTS...STEEP AND
FAST-BUILDING SEAS...FREQUENT LIGHTNING STRIKES...AND BLINDING
DOWNPOURS. STAY LOW OR GO BELOW...AND MAKE SURE ALL ON BOARD ARE
WEARING LIFE JACKETS.

&&

LAT...LON 2429 8034 2429 8035 2439 8047 2460 8048
2463 8041 2463 8039 2462 8034 2457 8018
TIME...MOT...LOC 0110Z 202DEG 11KT 2439 8042

IDZ021-230300-
/O.CON.KPIH.LW.Y.0007.000000T0000Z-130523T0300Z/
LOWER SNAKE RIVER PLAIN-
INCLUDING THE CITIES OF...POCATELLO...BLACKFOOT
113 PM MDT WED MAY 22 2013



...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

A LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING. 

* TIMING...THROUGH 9PM TODAY. THE STRONGEST WINDS WILL OCCUR
THROUGH LATE AF
1d9
TERNOON.

* WINDS...SOUTHWEST AT 20 TO 25 MPH WITH GUSTS TO 35 MPH.

* LOCATIONS INCLUDE...AMERICAN FALLS RESERVOIR.

* IMPACTS...GUSTY SOUTHWEST WINDS WILL PRODUCE CHOPPY WATERS ON 
THE AMERICAN FALLS RESERVOIR. BOATERS IN SMALL CRAFT SHOULD 
USE EXTREME CAUTION. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A LAKE WIND ADVISORY INDICATES THAT WINDS WILL CAUSE ROUGH CHOP
ON AREA LAKES. SMALL BOATS WILL BE ESPECIALLY PRONE TO CAPSIZING.

&&

MTZ009-048-230500-
/O.UPG.KTFX.WS.A.0005.130523T0000Z-130523T1800Z/
/O.NEW.KTFX.WW.Y.0020.130523T0600Z-130524T1800Z/
NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE FOLLOWING LOCATIONS...MARIAS PASS
257 PM MDT WED MAY 22 2013



...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON MDT FRIDAY FOR ELEVATIONS ABOVE 5500 FEET...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER
WEATHER ADVISORY FOR ELEVATIONS ABOVE 5500 FEET FOR SNOW... WHICH
IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MDT FRIDAY. THE WINTER
STORM WATCH IS NO LONGER IN EFFECT.

* TIMING AND MAIN IMPACT: LIGHT RAIN WILL FALL OVER THE ROCKY
MOUNTAIN FRONT THIS EVENING. THE RAIN WILL GRADUALLY CHANGE TO
SNOW FOR ELEVATIONS ABOVE 5500 FEET AFTER MIDNIGHT. ABOVE 6000
FEET...THE SNOW MAY BE HEAVY AT TIMES LATE TONIGHT THROUGH
FRIDAY MORNING.

* SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES IS
EXPECTED OVER MARIS PASS...WHILE ABOVE 6000 FEET ISOLATED
AMOUNTS OF 10 TO 15 INCHES IS EXPECTED.

* VISIBILITY: VISIBILITIES COULD BE REDUCED TO LESS THAN ONE 
HALF MILE AT TIMES.

* ELEVATIONS: MAINLY FOR ELEVATIONS ABOVE 5500 FEET.

* OTHER IMPACTS: PERIODS OF SNOW WILL AFFECT MARIAS PASS ON
HIGHWAY 2 LATER TONIGHT THROUGH FRIDAY...BUT THE MOST
SIGNIFICANT SNOWFALL IS EXPECTED NEAR RIDGE TOPS. TRAVELERS
SHOULD EXPECT REDUCED VISIBILITIES AND SLUSH BUILDUP ON THE
ROADWAY LATE TONIGHT THROUGH FRIDAY MORNING. THOSE VENTURING TO
ELEVATIONS ABOVE 6000 FEET IN GLACIER NATIONAL PARK AND THE BOB
MARSHALL WILDERNESS AREAS SHOULD BE PREPARED FOR WINTER
CONDITIONS.

* LOCATIONS AFFECTED INCLUDE: MARIAS PASS.

* TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD PLEASE VISIT.
WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TFX

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1.

&&

...RENWICK DAM SITUATION...

A FLASH FLOOD WATCH IS IN AFFECT THROUGH FRIDAY AFTERNOON FOR
AREAS DOWNSTREAM OF THE RENWICK DAM ON THE TONGUE RIVER. WATER
REMAINS VERY HIGH AT THE DAM SITE AND IS BEING HELD BACK BY A
CONSTRUCTED EARTHEN LEVEE ON TOP OF THE DAM STRUCTURE.
ALSO...OFFICIALS ARE CONTINUING TO MONITOR SEVERAL RETENTION DAMS
TO THE WEST OF RENWICK DAM.

AT THIS TIME...OFFICIALS NOTE THE TEMPORARY LEVEE ON TOP OF THE
RENWICK DAM APPEARS TO BE STABLE AND WILL BE CONTINUALLY
MONITORED. HOWEVER...THE THREAT REMAINS AND FAILURE WOULD MEAN
MAJOR FLOODING WOULD BE IMMINENT FOR THE CITIES OF
AKRA...CAVALIER...AND BATHGATE.

NDZ008-241800-
/O.EXT.KFGF.FF.A.0001.000000T0000Z-130524T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PEMBINA-
INCLUDING THE CITY OF...CAVALIER
115 PM CDT WED MAY 22 2013



...FLASH FLOOD WATCH NOW IN EFFECT THROUGH FRIDAY AFTERNOON...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* A PORTION OF NORTHEAST NORTH DAKOTA...INCLUDING THE FOLLOWING 
AREA...PEMBINA. 

* THROUGH FRIDAY AFTERNOON

* WATER REMAINS VERY HIGH AT THE RENWICK DAM AND IS BEING HELD 
BACK BY A CONSTRUCTED EARTHEN LEVEE ON TOP OF THE DAM 
STRUCTURE. OFFICIALS CONTINUE TO MONITOR THE DAM AND THE NEW 
CLAY LEVEE FOR ANY EROSION. 

* AT THIS TIME...OFFICIALS NOTE THE TEMPORARY LEVEE ON TOP OF THE
RENWICK DAM APPEARS TO BE STABLE AND WILL BE CONTINUALLY
MONITORED. HOWEVER...THE THREAT REMAINS AND FAILURE WOULD MEAN
MAJOR FLOODING WOULD BE IMMINENT FOR THE CITIES OF
AKRA...CAVALIER...AND BATHGATE.

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

NVZ030-031-034>041-231300-
/O.CON.KLKN.HZ.W.0001.130523T0900Z-130523T1300Z/
HUMBOLDT COUNTY-NORTHERN ELKO COUNTY-
RUBY MOUNTAINS/EAST HUMBOLDT RANGE-WHITE PINE COUNTY-
NORTHERN LANDER COUNTY AND NORTHERN EUREKA COUNTY-
SOUTHERN LANDER COUNTY AND SOUTHERN EUREKA COUNTY-
SOUTHWESTERN ELKO COUNTY-SOUTH CENTRAL ELKO COUNTY-
NORTHWESTERN NYE COUNTY-NORTHEASTERN NYE COUNTY-
INCLUDING THE FOLLOWING LOCATIONS...WINNEMUCCA...MCDERMITT...
PARADISE VALLEY...GOLCONDA SUMMIT...JACKPOT...WILDHORSE...
OWYHEE...SECRET PASS...LAMOILLE CANYON...HARRISON PASS...ELY...
MCGILL...CONNORS PASS...GREAT BASIN NATIONAL PARK...
BATTLE MOUNTAIN...EMIGRANT PASS...AUSTIN...AUSTIN SUMMIT...
EUREKA...DIAMOND VALLEY...PINTO SUMMIT...ELKO...SPRING CREEK...
CARLIN...WELLS...PEQUOP SUMMIT...TONOPAH...ROUND MOUNTAIN...
DUCKWATER...CURRANT SUMMIT
208 PM PDT WED MAY 22 2013



...HARD FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 6 AM PDT
THURSDAY...

A HARD FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 6 AM PDT
THURSDAY. 

* TEMPERATURES...MID 20S TO LOW 30S.

* TIMING...COLDEST TEMPERATURES WILL BE FROM 4AM TO 6AM 
THURSDAY MORNING.

* LOCATIONS INCLUDE: JACKPOT...WILDHORSE...OWYHEE...
WINNEMUCCA...MCDERMITT...PARADISE VALLEY...GOLCONDA SUMMIT...
ELY...MCGILL...CONNORS PASS...GREAT BASIN NATIONAL PARK...
SECRET PASS...LAMOILLE CANYON...HARRISON PASS...AUSTIN... AUSTIN
SUMMIT...EUREKA...DIAMOND VALLEY...PINTO SUMMIT... BATTLE
MOUNTAIN...EMIGRANT PASS...WELLS...PEQUOP SUMMIT...
ELKO...SPRING CREEK...CARLIN...ROUND MOUNTAIN...
DUCKWATER...CURRANT SUMMIT

* IMPACTS...FREEZING TEMPERATURES CAN KILL EXPOSED PLANTS AND
HARM ANIMALS. PLEASE PROTECT YOUR PLANTS AND ANIMALS FROM 
THE COLD. OUTDOOR ENTHUSIASTS SHOULD PREPARE FOR COLD 
WEATHER.

VAC165-230145-
/O.CON.KLWX.FF.W.0015.000000T0000Z-130523T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ROCKINGHAM VA-
815 PM EDT WED MAY 22 2013



...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM EDT FOR NORTH
CENTRAL ROCKINGHAM COUNTY...

AT 813 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY
HEAVY RAIN CAPABLE OF PRODUCING FLASH 
2c2
FLOODING. RADAR ESTIMATES THAT
UP TO 3 INCHES OF RAIN HAVE ALREADY FALLEN ACROSS PORTIONS OF THE
WARNED AREA.

ALTHOUGH RAIN HAS MOVED OUT OF THE WARNED AREA...FLASH FLOODING IS
STILL EXPECTED.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLASH FLOODING OF
SMALL CREEKS AND STREAMS...ROADS AND FARMLAND ALONG THE BANKS OF
CREEKS AND STREAMS.

FLASH FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW
WHERE YOU ARE RELATIVE TO STREAMS...RIVERS AND CREEKS...WHICH CAN
BECOME KILLERS IN HEAVY RAIN. CAMPERS AND HIKERS SHOULD AVOID STREAMS
AND CREEKS. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...
ON FOOT.

LAT...LON 3880 7900 3873 7887 3854 7898 3861 7912

...LATE SPRING STORM WITH SIGNIFICANT SNOW INTO THIS EVENING...

.A UNSEASONABLY COLD LOW PRESSURE SYSTEM WILL REMAIN OVER THE
AREA TODAY AND DURING THE NEXT FEW DAYS. THIS SYSTEM IS COLD
ENOUGH FOR SNOW TO FALL AT ELEVATIONS ABOVE 2500 FEET.

WAZ521-230300-
/O.CON.KPDT.WS.W.0004.000000T0000Z-130523T0300Z/
SIMCOE HIGHLANDS-
INCLUDING THE CITY OF...BICKLETON
259 PM PDT WED MAY 22 2013



...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING ABOVE 2500 FEET...

A WINTER STORM WARNING ABOVE 2500 FEET REMAINS IN EFFECT UNTIL
8 PM PDT THIS EVENING. 

* SNOW ACCUMULATIONS: ADDITIONAL 1-3 INCHES

* ELEVATION: ABOVE 2500 FEET.

* TIMING: SNOW WILL GRADUALLY DECREASE INTO THIS EVENING. 

* LOCATIONS INCLUDE: BICKLETON

* IMPACTS: POWER LINES AND TREES WILL BE IMPACTED BY THE HEAVY
WET SNOW. ROADS MAY BECOME SLICK IN A FEW AREAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

POWER OUTAGES ARE POSSIBLE ALONG WITH DOWNED TREE LIMBS.

&&

...FREEZING TEMPERATURES EXPECTED ACROSS NORTHERN WISCONSIN LATE
THURSDAY NIGHT...

.CANADIAN HIGH PRESSURE...LIGHT WINDS AND CLEAR SKIES WILL RESULT IN
COOL TEMPERATURES ON THURSDAY NIGHT. LOW TEMPERATURES ARE EXPECTED
TO DROP INTO THE 20S AND LOWER 30S ACROSS NORTH CENTRAL AND FAR
NORTHEAST WISCONSIN...RESULTING IN WIDESPREAD FROST AND A HARD
FREEZE.

WIZ005-010>013-018-019-021-230500-
/O.NEW.KGRB.FZ.A.0002.130524T0500Z-130524T1200Z/
VILAS-ONEIDA-FOREST-FLORENCE-NORTHERN MARINETTE-LINCOLN-LANGLADE-
NORTHERN OCONTO-
INCLUDING THE CITIES OF...EAGLE RIVER...RHINELANDER...CRANDON...
TOMAHAWK...ANTIGO
252 PM CDT WED MAY 22 2013



...FREEZE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A FREEZE
WATCH...WHICH IS IN EFFECT FROM LATE THURSDAY NIGHT THROUGH
FRIDAY MORNING. 

* TEMPERATURES ARE EXPECTED TO DROP INTO THE 20S AND LOWER 30S.

* A HARD FREEZE COULD KILL ANY SENSITIVE VEGETATION THAT IS NOT
PROTECTED FROM THE COLD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE.
THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION.

&&