Flood Watch 2, NWS Fairbanks, AK

431 
WGAK69 PAFG 130604
FFAAFG

FLOOD WATCH
NATIONAL WEATHER SERVICE FAIRBANKS AK
1004 PM AKDT SAT MAY 12 2012

AKZ216-140000-
/O.CON.PAFG.FA.A.0002.000000T0000Z-120514T2000Z/
/00000.0.IJ.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOWER KOYUKUK AND MIDDLE YUKON VALLEYS-
INCLUDING...GALENA...NULATO...HUSLIA...KALTAG...RUBY...KOYUKUK
1004 PM AKDT SAT MAY 12 2012

...FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY MORNING FOR THE
YUKON RIVER UPRIVER OF KALTAG TO KOYUKUK...

THE FLOOD WATCH CONTINUES FOR

* THE YUKON RIVER FROM UPRIVER OF KALTAG TO KOYUKUK.

* THROUGH MONDAY MORNING

* ICE REMAINS IN PLACE 3 MILES UPRIVER OF KALTAG...APPROXIMATELY
  30 MILES OF ICE IS BACKING UP BEHIND THE ICE JAM. ADDITIONAL ICE
  COMING DOWNRIVER FROM GALENA WILL PILE UP BEHIND THE ICE JAM.
  WATER LEVELS ARE NEAR BANKFULL AT NULATO AND KOYUKUK AND MANY
  ISLANDS ARE FLOODED BEHIND THE JAM. WATER LEVELS WILL CONTINUE
  TO BE HIGH OR RISE UNTIL THE ICE JAM BREAKS.

* LOW LYING AREAS WILL LIKELY BE IMPACTED SHOULD THE ICE REMAIN 
  IN PLACE. RESIDENTS NEAR THE RIVER FROM UPSTREAM OF KALTAG TO 
  KOYUKUK SHOULD TAKE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. 
  WATER LEVELS CAN RISE VERY QUICKLY WHEN AN ICE JAM PERSISTS 
  DOWNSTREAM OF A COMMUNITY. DO NOT DRIVE INTO FLOODED ROADWAYS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$$

789 
WGAK69 PAFG 132329
FFAAFG

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE FAIRBANKS AK
329 PM AKDT SUN MAY 13 2012

AKZ216-150000-
/O.EXT.PAFG.FA.A.0002.000000T0000Z-120515T0000Z/
/00000.0.IJ.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOWER KOYUKUK AND MIDDLE YUKON VALLEYS-
INCLUDING...GALENA...NULATO...HUSLIA...KALTAG...RUBY...KOYUKUK
329 PM AKDT SUN MAY 13 2012

...FLOOD WATCH NOW IN EFFECT THROUGH MONDAY AFTERNOON FOR THE
YUKON RIVER UPRIVER OF KALTAG TO KOYUKUK...

THE FLOOD WATCH IS NOW IN EFFECT FOR

* THE YUKON RIVER FROM UPRIVER OF KALTAG TO KOYUKUK

* THROUGH MONDAY AFTERNOON

* ICE REMAINS IN PLACE 3 MILES UPRIVER OF KALTAG...APPROXIMATELY
  20 MILES OF CHUNK ICE IS BACKED UP BEHIND THE ICE JAM. THE ICE
  EXTENDS UP TO 9 MILES DOWNSTREAM OF NULATO. A LIGHT RUN OF ICE
  MOVING DOWNRIVER FROM GALENA WILL PILE UP BEHIND THE ICE JAM.
  WATER LEVELS ARE NEAR BANKFULL AT NULATO AND KOYUKUK AND MANY
  ISLANDS ARE FLOODED BEHIND THE JAM. THE WATER LEVEL AT NULATO 
  ROSE OVERNIGHT AND IS CONTINUING TO RISE. WATER LEVELS WILL 
  CONTINUE TO BE HIGH OR RISE UNTIL THE ICE JAM BREAKS.

* LOW LYING AREAS WILL LIKELY BE IMPACTED SHOULD THE ICE REMAIN 
  IN PLACE. RESIDENTS NEAR THE RIVER FROM UPSTREAM OF KALTAG TO 
  KOYUKUK SHOULD TAKE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. 
  WATER LEVELS CAN RISE VERY QUICKLY WHEN AN ICE JAM PERSISTS 
  DOWNSTREAM OF A COMMUNITY. DO NOT DRIVE INTO FLOODED ROADWAYS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$$

997 
WGAK69 PAFG 140618
FFAAFG

FLOOD WATCH
NATIONAL WEATHER SERVICE FAIRBANKS AK
1018 PM AKDT SUN MAY 13 2012

AKZ216-150000-
/O.CON.PAFG.FA.A.0002.000000T0000Z-120515T0000Z/
/00000.0.IJ.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOWER KOYUKUK AND MIDDLE YUKON VALLEYS-
INCLUDING...GALENA...NULATO...HUSLIA...KALTAG...RUBY...KOYUKUK
1018 PM AKDT SUN MAY 13 2012

...FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY AFTERNOON FOR
THE YUKON RIVER UPRIVER OF KALTAG TO KOYUKUK...

...A FLOOD ADVISORY IS IN EFFECT THROUGH 4PM MONDAY FOR NULATO...

THE FLOOD WATCH CONTINUES FOR

* THE YUKON RIVER FROM UPRIVER OF KALTAG TO KOYUKUK

* THROUGH MONDAY AFTERNOON

* ICE REMAINS IN PLACE 3 MILES UPRIVER OF KALTAG...APPROXIMATELY
  20 MILES OF CHUNK ICE IS BACKED UP BEHIND THE ICE JAM. THE ICE
  EXTENDS UP TO 9 MILES DOWNSTREAM OF NULATO. A LIGHT RUN OF ICE
  MOVING DOWNRIVER FROM GALENA WILL PILE UP BEHIND THE ICE JAM.
  WATER LEVELS ARE NEAR BANKFULL AT KOYUKUK AND MANY ISLANDS ARE
  FLOODED BEHIND THE JAM. AT NULATO WATER IS NOW OVER THE FRONTAGE
  ROAD AND ACCESS TO THE AIRPORT FROM TOWN REQUIRES BOATS. WATER
  LEVELS WILL CONTINUE TO BE HIGH OR RISE UNTIL THE ICE JAM
  BREAKS.

* LOW LYING AREAS WILL LIKELY BE IMPACTED SHOULD THE ICE REMAIN IN
  PLACE. A FLOOD ADVISORY IS IN EFFECT FOR NULATO. ELSEWHERE
  RESIDENTS NEAR THE RIVER FROM UPSTREAM OF KALTAG TO KOYUKUK
  SHOULD TAKE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. WATER
  LEVELS CAN RISE VERY QUICKLY WHEN AN ICE JAM PERSISTS DOWNSTREAM
  OF A COMMUNITY. DO NOT DRIVE INTO FLOODED ROADWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$$
RT MAY 12

271 
WGAK69 PAFG 142328
FFAAFG

FLOOD WATCH
NATIONAL WEATHER SERVICE FAIRBANKS AK
328 PM AKDT MON MAY 14 2012



AKZ216-150030-
/O.CAN.PAFG.FA.A.0002.000000T0000Z-120515T0000Z/
/00000.0.IJ.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOWER KOYUKUK AND MIDDLE YUKON VALLEYS-
INCLUDING...GALENA...NULATO...HUSLIA...KALTAG...RUBY...KOYUKUK
328 PM AKDT MON MAY 14 2012

...FLOOD WATCH IS CANCELLED...

THE FLOOD WATCH FOR THE YUKON RIVER FROM UPRIVER OF KALTAG TO
KOYUKUK HAS BEEN CANCELLED. THE ICE JAM UPRIVER FROM KALTAG HAS
BROKEN AND THE ICE IS NOW MOVING DOWNSTREAM. THE WATER LEVEL
AT NULATO HAS FALLEN SIGNIFICANTLY AND IT WILL CONTINUE TO FALL
DURING THE REMAINDER OF THIS AFTERNOON AND THIS EVENING.

$$

NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
1246 PM AKDT SAT MAY 12 2012

.DISCUSSION...
MODELS CONTINUE TO BE IN GOOD AGREEMENT THROUGH THE SHORT AND MID
TERM WITH A COLD UPPER LEVEL TROUGH MOVING SOUTH AND EAST OVER
CENTRAL AND EASTERN ALASKA WHILE AN UPPER LEVEL RIDGE BUILDS INTO
THE EASTERN BERING AND WESTERN ALASKA THROUGH EARLY NEXT WEEK.

OVERCAST CONDITIONS WITH PATCHY FOG AND SCATTERED FLURRIES DOMINATE
THE NORTH SLOPE AND WEST COAST WHILE MOSTLY SUNNY CONDITIONS
PREVAIL ACROSS MUCH OF THE INTERIOR THIS AFTERNOON.

A SHORTWAVE TROUGH ROTATING THROUGH THE SOUTHEAST INTERIOR...THE
CENTRAL AND THE WESTERN INTERIOR WILL BE THE FOCAL POINT FOR
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THIS AFTERNOON. THE
ATMOSPHERE WILL BECOME WEAKLY UNSTABLE WITH LIFTED INDEX AROUND
MINUS 1 AND CAPES BUILDING TO AROUND 200 IN THE SOUTHEAST INTERIOR
AND NEAR 300 IN THE WESTERN INTERIOR. GAP WINDS WILL RESULT
THROUGH THE ALASKA RANGE PASSES WITH THE SHORTWAVE IN THE INTERIOR
AND A SURFACE HIGH BUILDING INTO SOUTH CENTRAL ALASKA THIS
AFTERNOON. GUSTY WINDS THROUGH AND NEAR ALASKA RANGE PASSES ALONG
WITH RH VALUES IN THE MID 20S TO 30S THIS AFTERNOON AND TOMORROW.
RED FLAG WARNING HAVE BEEN HOISTED FOR ZONES 223 AND 226.

&&

.FIRE WEATHER...
GUSTY WINDS THROUGH AND NEAR THE ALASKA RANGE PASSES WILL EXTEND
INTO THE SOUTHERN INTERIOR THIS AFTERNOON AND TONIGHT AS SURFACE
HIGH PRESSURE BUILDS INTO SOUTH CENTRAL ALASKA AND THERMAL TROUGH
DEEPENS THIS AFTERNOON AND AGAIN SUNDAY. HOWEVER WINDS WILL NOT BE
A STRONG AS YESTERDAY. RED FLAG CONDITIONS WILL BE MET IN ZONES
223 AND 226 THIS AFTERNOON AND AGAIN ON SUNDAY. AS GAP WINDS 15 TO
30 MPH THIS AFTERNOON THROUGH THE ALASKA RANGE WILL ONLY ALLOW FOR
MINOR RH RECOVERY TONIGHT AS MIXING KEEPS RH LEVELS LOWER AND
TEMPERATURES WARMER. RH VALUES LESS THAN 30 PERCENT THIS AFTERNOON
WILL RECOVER TO AROUND 50 PERCENT OVER NIGHT. RH VALUES WILL DROP
TO 20 TO 35 PERCENT SUNDAY.

&&

.HYDROLOGY...
NORTHERN ALASKA BREAKUP CONTINUES TO BE QUIET.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
RED FLAG WARNING FOR AKZ223-AKZ226.
&&

CC MAY 12