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



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

AT 6 AM WEDNESDAY THE FORT YUKON POLICE REPORT FLOODING IS STILL 
OCCURRING IN FORT YUKON. THIS INCLUDES LOW LYING AREAS ON THE WEST 
SIDE OF THE VILLAGE SUCH AS THE BALL FIELD...THE OLD TANK FARM...THE 
AREA AROUND THE TRIBAL HALL AND ONE ACCESS RAMP AT THE AIRPORT. 
SEVERAL HOMES ON THE DOWNSTREAM SIDE OF TOWN HAVE BEEN IMPACTED.

AERIAL RECONNAISSANCE TUESDAY EVENING INDICATED A PORTION OF THE ICE 
JAM HAD RELEASED AND SOME WATER WAS DRAINING DOWNRIVER. FLUCTUATIONS 
TO RIVER LEVELS AT FORT YUKON HAVE BEEN REPORTED OVERNIGHT. THE RISK 
OF RAPID RISES IN WATER LEVELS AND MORE SIGNIFICANT FLOODING IN FORT 
YUKON IS STILL POSSIBLE UNTIL THE ICE JAM COMPLETELY RELEASES. 
ADDITIONALLY...FLOODING COULD BE MADE EVEN WORSE IF A NEW ICE JAM 
FORMS DOWN RIVER FROM THE VILLAGE. RESIDENTS ARE URGED TO MONITOR 
THE SITUATION AND CONTINUE TO BE ALERT FOR CHANGES IN RIVER 
CONDITIONS.

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

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM AKDT THIS EVENING FOR LOW HUMIDITY FOR DELTA JUNCTION AND
VICINITY...

AKZ223-230400-
/X.CON.PAFG.FW.W.0001.130522T1900Z-130523T0400Z/
DELTANA AND TANANA FLATS-
608 AM AKDT WED MAY 22 2013



...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM AKDT THIS EVENING FOR LOW HUMIDITY...

A RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
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 DEVELOPMENT 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.

&&

AKZ152-222000-
/X.EXT.PAFC.FA.A.0003.000000T0000Z-130523T1800Z/
/00000.0.IJ.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOWER KUSKOKWIM VALLEY-
INCLUDING THE CITIES OF...ANIAK...SLEETMUTE
729 PM AKDT TUE MAY 21 2013



...FLOOD WATCH NOW IN EFFECT THROUGH THURSDAY MORNING FOR THE
KUSKOKWIM RIVER NEAR CROOKED CREEK...

THE FLOOD WATCH IS NOW IN EFFECT FOR

* LOWER KUSKOKWIM VALLEY. 

* THROUGH THURSDAY MORNING. 

* FOR ICE JAM FLOODING. 

* THE ICE IS STILL SOLID DOWNSTREAM OF CROOKED CREEK AT RABBIT 
ISLAND. IF THE BREAKUP FRONT MOVES QUICKLY PAST CROOKED CREEK 
A JAM COULD RESULT AND WATER LEVELS COULD RISE QUICKLY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING.

YOU ARE ENCOURAGED TO CLOSELY MONITOR THIS WEATHER SITUATION.
PREPARATION FOR THIS POTENTIALLY DANGEROUS WEATHER EVENT SHOULD
BEGIN NOW.

&&

...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.

.GUSTY SOUTHWEST WINDS WILL OCCUR FROM EARLY AFTERNOON THROUGH THIS
EVENING AS A LARGE AREA OF LOW PRESSURE DEVELOPS OVER THE PACIFIC
NORTHWEST.

AZZ001-003-221900-
/O.EXT.KVEF.WI.Y.0022.130522T1900Z-130523T0200Z/
NORTHWEST PLATEAU-NORTHWEST DESERTS-
INCLUDING...COLORADO CITY...
PIPE SPRING NATIONAL MONUMENT...TUWEEP...MT TRUMBULL...KINGMAN...
GOLDEN VALLEY...DOLAN SPRINGS...VALENTINE...WIKIEUP...YUCCA
307 AM MST WED MAY 22 2013



...WIND ADVISORY NOW IN EFFECT FROM NOON TODAY TO 7 PM MST THIS
EVENING...

THE WIND ADVISORY IS NOW IN EFFECT FROM NOON TODAY TO 7 PM MST THIS
EVENING FOR THE NORTHWEST PLATEAU AND NORTHWEST DESERTS OF ARIZONA.

* WINDS: SOUTH TO SOUTHWEST 25 TO 35 MPH WITH GUSTS UP TO 45 MPH.

* TIMING: WIND SPEEDS WILL PEAK BETWEEN 2 PM AND 5 PM THEN GUSTS
SHOULD DROP BELOW 40 MPH AFTER 7 PM.

* LOCATIONS: COLORADO CITY...PIPE SPRING NATIONAL MONUMENT...
TUWEEP...MT TRUMBULL...KINGMAN...GOLDEN VALLEY... DOLAN 
SPRINGS...VALENTINE...WIKIEUP...YUCCA 

* IMPACTS: STRONG CROSSWINDS ARE POSSIBLE ON AREA HIGHWAYS WITH 
LOCAL AREAS OF BLOWING DUST POSSIBLE WHICH MAY RAPIDLY LOWER 
VISIBILITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DRIVERS OF MOTORCYLES...VANS...CAMPERS...TRAILERS...AND ANY HIGH-
PROFILE VEHICLE SHOULD BE ALERT TO THE DANGER OF THESE
WINDS...ESPECIALLY WHEN DRIVING ALONG EAST-WEST ROADS.

&&

...FREEZING TEMPERATURES EXPECTED AGAIN TONIGHT INTO EARLY
THURSDAY MORNING...

AN UNSEASONABLY COLD AIR MASS HAS MOVED OVER THE REGION. AS SKIES
PARTIALLY CLEAR LATE TONIGHT INTO THURSDAY MORNING AND WINDS
DECREASE...TEMPERATURES WILL FALL TO OR BELOW FREEZING IN MANY
LOCATIONS. SENSITIVE VEGETATION MAY BE AFFECTED BY COLD
TEMPERATURES.

CAZ084-ORZ029-230000-
/O.EXP.KMFR.FZ.W.0018.000000T0000Z-130522T1600Z/
/O.CON.KMFR.FZ.A.0008.130523T0900Z-130523T1600Z/
NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-KLAMATH BASIN-
INCLUDING THE CITIES OF...TULELAKE...DORRIS...ALTAMONT...
KLAMATH FALLS
850 AM PDT WED MAY 22 2013



...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY MORNING...
...FREEZE WARNING WILL EXPIRE AT 9 AM PDT THIS MORNING...

THE FREEZE WARNING WILL EXPIRE AT 9 AM PDT THIS MORNING. A FREEZE
WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY
MORNING. 


* TEMPERATURES...26 TO 30.

* TEMPERATURE INVERSION...THERE WILL BE NO INVERSION AND COLD 
AIR ALOFT WILL BE IN PLACE.

* LOCATIONS INCLUDE: ALTAMONT...KLAMATH FALLS...TULELAKE... 
DORRIS.

* IMPACTS...SENSITIVE VEGETATION COULD BE DAMAGED OR KILLED IF 
LEFT UNPROTECTED INTO EARLY THIS MORNING AND AGAIN TONIGHT 
INTO THURSDAY MORNING. 

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT
HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=MFR


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

...UNSEASONABLY COLD WEATHER THIS WEEK FOR INTERIOR NORTHWEST
CALIFORNIA...

CAZ004-222330-
/O.EXP.KEKA.FZ.W.0006.000000T0000Z-130522T1500Z/
/O.CON.KEKA.FZ.W.0007.130523T0900Z-130523T1500Z/
UPPER TRINITY RIVER-
822 AM PDT WED MAY 22 2013



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

THE FREEZE WARNING IS NO LONGER IN EFFECT. A FREEZE WARNING
REMAINS IN EFFECT FROM 2 AM TO 8 AM PDT THURSDAY. 

* LOW TEMPERATURES...UPPER 20S TO LOWER 30S AGAIN EARLY THURSDAY
MORNING.

* LOCATIONS...TRINITY 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.

&&

...UNSEASONABLY COLD WEATHER THIS WEEK FOR INTERIOR NORTHWEST
CALIFORNIA...

CAZ003-222330-
/O.EXP.KEKA.FR.Y.0018.000000T0000Z-130522T1500Z/
/O.CON.KEKA.FR.Y.0019.130523T0900Z-130523T1500Z/
NORTH COAST INTERIOR-
822 AM PDT WED MAY 22 2013



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

THE FROST ADVISORY IS NO LONGER IN EFFECT. A FROST ADVISORY
REMAINS IN EFFECT FROM 2 AM TO 8 AM PDT THURSDAY. 

* LOW TEMPERATURES...MID TO UPPER 30S...WITH SOME UPPER 20S AND 
LOWER 30S IN THE COLDEST VALLEYS. 

* LOCATIONS...INTERIOR DEL NORTE AND HUMBOLDT COUNTIES.

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.

&&

...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.

CAZ034-035-222000-
/O.CON.KLOX.SU.Y.0014.000000T0000Z-130523T1800Z/
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-
258 AM 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. CHOPPY WAVE 
CONDITIONS ARE EXPECTED DUE TO STRONG WINDS OVER THE WATERS. 

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

* IMPACTS...LARGE BREAKERS AND THE HIGH RISK OF RIP CURRENTS 
WILL MAKE SWIMMING DANGEROUS. 

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.

&&

...A FIRE WEATHER WATCH FOR GUSTY WINDS...LOW HUMIDITY VALUES AND
DRY FUELS...REMAINS IN EFFECT FOR THURSDAY AFTERNOON AND EVENING
FOR FIRE WEATHER ZONE 224...WHICH INCLUDES THE SAN LUIS VALLEY...

COZ224-230215-
/O.CON.KPUB.FW.A.0008.130523T1800Z-130524T0100Z/
SAN LUIS VALLEY-
405 AM MDT WED MAY 22 2013



...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONE 224...

* AFFECTED AREA...FIRE WEATHER ZONE 224.

* WINDS...SOUTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 13 PERCENT.

* IMPACTS...CONDITIONS WILL BE FAVORABLE FOR RAPID RATES OF FIRE 
GROWTH AND SPREAD. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

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>054-222000-
DISTRICT OF COLUMBIA-FREDERICK MD-MONTGOMERY-PRINCE GEORGES-
CHARLES-ST. MARYS-CALVERT-LOUDOUN-
PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-
425 PM EDT TUE MAY 21 2013



THE FORECAST WEDNESDAY FOR THE DC METRO AREA IS CODE LEVEL
YELLOW...WHICH IS MODERATE...AND MEANS PEOPLE UNUSUALLY SENSITIVE
TO AIR POLLUTION MAY BE MILDLY AFFECTED.  PRIMARY POLLUTANT
WILL BE PARTICLES.

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

...UPDATED TO START LAKE WIND ADVISORY NOW INSTEAD OF 9 AM...

IDZ021-222100-
/O.EXT.KPIH.LW.Y.0007.130522T1225Z-130523T0300Z/
LOWER SNAKE RIVER PLAIN-
INCLUDING THE CITIES OF...POCATELLO...BLACKFOOT
625 AM MDT WED MAY 22 2013



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

* TIMING...NOW THROUGH 9PM TODAY. THE STRONGEST WINDS WILL OCCUR
FROM NOW THROUGH LATE AFTERNOON.

* WINDS...WEST TO 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.

&&

MTZ009-048-222100-
/O.CON.KTFX.WS.A.0005.130523T0000Z-130523T1800Z/
NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT-
449 AM MDT WED MAY 22 2013



...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
THURSDAY MORNING FOR ELEVATIONS ABOVE 6000 FEET...

A WINTER STORM WATCH FOR ELEVATIONS ABOVE 6000 FEET REMAINS IN
EFFECT FROM THIS EVENING THROUGH THURSDAY MORNING. 

* TIMING AND MAIN IMPACT: RAIN WILL DEVELOP OVER THE ROCKY
MOUNTAIN FRON
56a
T THIS AFTERNOON AND BECOME MODERATE TO HEAVY AT
TIMES TONIGHT. SNOW LEVELS WILL GRADUALLY LOWER TO AROUND 6000
FEET AFTER MIDNIGHT. ABOVE 6000 FEET...SNOW MAY BE HEAVY AT
TIMES LATE TONIGHT THROUGH THURSDAY MORNING. 

* SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES
ARE POSSIBLE ABOVE 6000 FEET WITH ISOLATED AMOUNTS NEAR 15
INCHES POSSIBLE ABOVE 7000 FEET ALONG THE CONTINENTAL DIVIDE.

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

* ELEVATIONS: FOR ELEVATIONS ABOVE 6000 FEET.

* OTHER IMPACTS: ACCUMULATING SNOWFALL WILL MAINLY IMPACT AREAS
ABOVE THE ELEVATION OF MARIAS PASS ON HIGHWAY 2...HOWEVER
REDUCED VISIBILITY AND SLUSH BUILDUP ON THE ROADWAY ARE POSSIBLE
LATE TONIGHT THROUGH THURSDAY MORNING. THOSE VENTURING TO
ELEVATIONS ABOVE 6000 FEET IN GLACIER NATIONAL PARK AND THE BOB
MARCHALL WILDERNESS AREAS SHOULD BE PREPARED FOR WINTRY
CONDITIONS.

* LOCATIONS AFFECTED INCLUDE: ELEVATIONS ABOVE 6000 FEET IN THE
GLACIER NATIONAL PARK AND THE BOB MARSHALL WILDERNESS REGION.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL ASHE COUNTY IN NORTHWEST NORTH CAROLINA...
NORTHEASTERN WATAUGA COUNTY IN NORTHWEST NORTH CAROLINA...

* UNTIL 200 PM EDT

* AT 113 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED NEAR TROUT...OR 4 MILES NORTHWEST
OF TODD...AND MOVING NORTHEAST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
TODD...
JEFFERSON...
ASHLAND...
LANSING...
AND TROUT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT GET CAUGHT OUTSIDE. SEEK SHELTER IN A STRONG BUILDING AND STAY
AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF QUARTER SIZE
OR LARGER HAIL...AS WELL AS ANY REPORTS OF WIND DAMAGE...INCLUDING
DOWNED TREES OR LARGE LIMBS...TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS AND
PICTURES CAN ALSO BE SHARED ON THE NATIONAL WEATHER SERVICE
BLACKSBURG FACEBOOK PAGE AND ON TWITTER.

&&

LAT...LON 3634 8171 3635 8172 3641 8174 3643 8172
3646 8171 3647 8170 3649 8170 3658 8164
3646 8138 3625 8162 3634 8175
TIME...MOT...LOC 1715Z 221DEG 7KT 3636 8165

...RENWICK DAM SITUATION...

A FLASH FLOOD WATCH IS IN AFFECT THROUGH MIDDAY WEDNESDAY 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. OFFICIALS
CONTINUE TO MONITOR THE DAM AND THE NEW CLAY LEVEE FOR ANY
EROSION. 

THERE ARE SEVERAL RETENTION DAMS TO THE WEST OF THE RENWICK
DAM...AND WITH THE LARGE AMOUNT OF WATER IN THE AREA THESE DAMS
HAVE A HIGH POTENTIAL OF FAILING. IF ONE OF THESE OLDER DAMS TO
THE WEST DID FAIL...THE TEMPORARY LEVEE ON TOP OF THE RENWICK DAM
WOULD NO LONGER BE ABLE TO HOLD BACK WATER...AND MAJOR FLOODING
WOULD BE IMMINENT FOR THE CITIES OF AKRA...CAVALIER...AND
BATHGATE. PEMBINA COUNTY EMERGENCY MANAGEMENT ANTICIPATES A
POSSIBLE BREACH WITHIN THE NEXT 12 HOURS...AND HAVE ORDERED A
MANDATORY EVACUATION FOR THE AREA IMMEDIATELY DOWNSTREAM OF THE
RENWICK DAM...INCLUDING THE CITY OF CAVALIER.

NDZ008-221900-
/O.CON.KFGF.FF.A.0001.000000T0000Z-130522T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PEMBINA-
INCLUDING THE CITY OF...CAVALIER
1113 PM CDT TUE MAY 21 2013



...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY
AFTERNOON...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF NORTHEAST NORTH DAKOTA...INCLUDING THE FOLLOWING
AREAS IN PEMBINA COUNTY ALONG THE TONGUE RIVER DOWNSTREAM OF THE
RENWICK DAM...AKRA...CAVALIER AND BATHGATE.

* THROUGH WEDNESDAY 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.

* THERE ARE SEVERAL RETENTION DAMS TO THE WEST OF THE RENWICK
DAM...AND WITH THE LARGE AMOUNT OF WATER IN THE AREA THESE DAMS
HAVE A HIGH POTENTIAL OF FAILING. IF ONE OF THESE OLDER DAMS TO
THE WEST DID FAIL...THE TEMPORARY LEVEE ON TOP OF THE RENWICK
DAM WOULD NO LONGER BE ABLE TO HOLD BACK WATER...AND MAJOR
FLOODING WOULD BE IMMINENT FOR THE CITIES OF
AKRA...CAVALIER...AND BATHGATE.

* PEMBINA COUNTY EMERGENCY MANAGEMENT ANTICIPATES A POSSIBLE
BREACH WITHIN THE NEXT 12 HOURS...AND HAVE ORDERED A MANDATORY
EVACUATION FOR THE AREA IMMEDIATELY DOWNSTREAM OF THE RENWICK
DAM...INCLUDING THE CITY OF CAVALIER.

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.

&&

NVZ030-034-041-231300-
/O.NEW.KLKN.HZ.W.0001.130523T0900Z-130523T1300Z/
HUMBOLDT COUNTY-RUBY MOUNTAINS/EAST HUMBOLDT RANGE-
NORTHEASTERN NYE COUNTY-
INCLUDING THE FOLLOWING LOCATIONS...WINNEMUCCA...MCDERMITT...
PARADISE VALLEY...GOLCONDA SUMMIT...SECRET PASS...
LAMOILLE CANYON...HARRISON PASS...DUCKWATER...CURRANT SUMMIT
258 AM PDT WED MAY 22 2013



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

THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A HARD FREEZE
WARNING...WHICH IS 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: WINNEMUCCA...MCDERMITT...PARADISE VALLEY... 
GOLCONDA SUMMIT...SECRET PASS...LAMOILLE CANYON...HARRISON 
PASS...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.

THE NATIONAL WEATHER SERVICE IN BINGHAMTON HAS ISSUED A

* TORNADO WARNING FOR...
SOUTH CENTRAL DELAWARE COUNTY IN CENTRAL NEW YORK...
NORTHWESTERN SULLIVAN COUNTY IN CENTRAL NEW YORK...

* UNTIL 145 PM EDT.

* AT 108 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 9 MILES WEST OF
ROSCOE...MOVING EAST AT 25 MPH.

* THE STORM CAPABLE OF PRODUCING THE TORNADO WILL BE NEAR...
ROSCOE BY 130 PM EDT...
HAZEL BY 135 PM EDT...
LIVINGSTON MANOR BY 140 PM EDT...
PARKSVILLE BY 145 PM EDT...

WHEN YOU CAN DO SO SAFELY...PLEASE REPORT HAIL...OR DAMAGING WINDS TO
THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE AT
1-888-603-1402...OR BY EMAIL AT BGM.STORMREPORT@NOAA.GOV.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS TORNADO...SEEK SHELTER IN A BASEMENT
OR AN INTERIOR ROOM...AWAY FROM WINDOWS.

&&

LAT...LON 4183 7474 4186 7512 4197 7513 4203 7475
4202 7475 4201 7477 4200 7475
TIME...MOT...LOC 1710Z 266DEG 23KT 4191 7508

...LATE SPRING STORM WITH SIGNIFICANT SNOW IN THE BLUE MOUNTAINS
INTO THIS AFTERNOON...

.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 300O FEET WITH
ACCUMULATING SNOW ABOVE 4000 FEET.

ORZ502-503-WAZ030-222200-
/O.EXT.KPDT.WW.Y.0014.000000T0000Z-130522T2200Z/
NORTHERN BLUE MOUNTAINS OF OREGON-
SOUTHERN BLUE MOUNTAINS OF OREGON-
NORTHWEST BLUE MOUNTAINS OF WASHINGTON-
INCLUDING THE CITIES OF...TOLLGATE...SKI BLUEWOOD RESORT
946 AM PDT WED MAY 22 2013



...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON ABOVE 4000 FEET...

THE WINTER WEATHER ADVISORY ABOVE 4000 FEET IS NOW 
359
IN EFFECT
UNTIL 3 PM PDT THIS AFTERNOON. 

* SNOW ACCUMULATIONS: 2-4 INCHES ABOVE 4000 FEET WITH AN INCH OR
LESS POSSIBLE AT LOCATIONS BETWEEN 3000 AND 4000 FEET.

* ELEVATION: ABOVE 4000 FEET.

* TIMING: SNOW SHOWERS CONTINUING INTO MID AFTERNOON.

* LOCATIONS INCLUDE: SKI BLUEWOOD RESORT...TOLLGATE

* WINDS: SOUTH WIND 10 TO 15 MPH

* IMPACTS: OREGON HIGHWAY 204 WILL HAVE SNOW BETWEEN MILEPOSTS 15
AND 32 AND MAY BE HAZARDOUS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW IS OCCURRING OR IS
EXPECTED TO DEVELOP AND ACCUMULATE. TRAVEL MAY BE HAZARDOUS. MOTORISTS
ARE URGED TO USE EXTREME CAUTION...AND SLOW DOWN TO ADJUST FOR
RAPIDLY CHANGING DRIVING CONDITIONS AND REDUCED VISIBILITIES. FOR
ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT
WWW.WEATHER.GOV/PENDLETON.

&&