Alert archive / Alaska / Storm Warnings in 2010

Storm Warning 28, NWS Anchorage, AK

February 15, 2010

NWS Anchorage, AK issued this storm warning at Feb 15, 2010, 4:00 PM AKST. It was in force for 48 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 15, 2010, 4:00 PM AKST (01:00 UTC)
Expired
Feb 17, 2010, 4:00 PM AKST
In force
48 hr
Issued by
NWS Anchorage, AK

The text

As transmitted, in the capitals the NWS used until 2016.

105 
FZAK62 PAFC 152358
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKST MON FEB 15 2010

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-161500-
400 PM AKST MON FEB 15 2010
.SYNOPSIS FOR CENTRAL BERING SEA...

A WEAK LOW PRESSURE TROUGH WILL CONTINUE OVER THE EASTERN BERING SEA
AND BRISTOL BAY THROUGH WEDNESDAY. A 974 MB LOW NEAR 48N 168E TUESDAY
AFTERNOON MOVES TO 53N 168E AND INTENSIFIES TO 955 MB WEDNESDAY
AFTERNOON.

$$

PKZ411-161500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKST MON FEB 15 2010

...STORM WARNING TUESDAY NIGHT...

.TONIGHT...NW WIND 15 TO 25 KT. SEAS 7 TO 10 FT. FREEZING SPRAY. 
.TUE...W WIND 15 TO 25 KT...BECOMING SE 20 KT WEST OF 175E IN THE
AFTERNOON. SEAS 7 TO 11 FT. FREEZING SPRAY. 
.TUE NIGHT...NORTH OF 56N...E WIND 25 TO 35 KT. SEAS 6 TO 9 FT. SOUTH
OF 56N...E WIND 45 TO 55 KT. SEAS 14 TO 18 FT. FREEZING SPRAY IN THE
EVENING. 
.WED...SE WIND 45 KT. SEAS 20 FT. 
.WED NIGHT...SE WIND 35 KT. SEAS 19 FT. 
.THU...SE WIND 30 KT. SEAS 18 FT. 
.FRI...SE WIND 25 KT. SEAS 14 FT. 
.SAT...SE WIND 30 KT. SEAS 9 FT.  

$$

PKZ412-161500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKST MON FEB 15 2010

...GALE WARNING TONIGHT...

.TONIGHT...N WIND 25 TO 35 KT...EXCEPT VARIABLE 10 KT EAST OF 175W.
SEAS 12 FT. FREEZING SPRAY. 
.TUE...NW WIND 15 TO 25 KT. SEAS 7 TO 10 FT. FREEZING SPRAY. 
.TUE NIGHT...N WIND 10 TO 20 KT. SEAS 7 FT. FREEZING SPRAY. 
.WED...E WIND 35 KT. SEAS 9 FT. 
.WED NIGHT...E WIND 35 KT. SEAS 12 FT. 
.THU...NE WIND 25 KT. SEAS 14 FT. 
.FRI...E WIND 20 KT. SEAS 13 FT. 
.SAT...E WIND 30 KT. SEAS 12 FT.  

$$

PKZ413-161500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKST MON FEB 15 2010

...GALE WARNING THROUGH TUESDAY NIGHT...

.TONIGHT...NW WIND 25 TO 35 KT. SEAS 16 FT. FREEZING SPRAY. 
.TUE...NW WIND 25 TO 35 KT. SEAS 15 FT. FREEZING SPRAY. 
.TUE NIGHT...NW WIND 15 TO 25 KT...BECOMING SE 35 KT WEST OF 176W
AFTER MIDNIGHT. SEAS 11 FT. FREEZING SPRAY. 
.WED...SE WIND 40 KT. SEAS 14 FT. 
.WED NIGHT...SE WIND 35 KT. SEAS 14 FT. 
.THU...E WIND 25 KT. SEAS 17 FT. 
.FRI...E WIND 20 KT. SEAS 15 FT. 
.SAT...N WIND 25 KT. SEAS 11 FT.  

$$

PKZ414-161500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKST MON FEB 15 2010

.TONIGHT...NW WIND 15 KT. SEAS IN ICE FREE WATERS 6 FT. FREEZING
SPRAY. 
.TUE AND TUE NIGHT...NW WIND 20 KT. SEAS IN ICE FREE WATERS 8 FT.
FREEZING SPRAY. 
.WED...N WIND 15 KT. SEAS IN ICE FREE WATERS 7 FT. 
.WED NIGHT...NE WIND 15 KT. SEAS IN ICE FREE WATERS 5 FT. 
.THU...N WIND 15 KT. SEAS IN ICE FREE WATERS 8 FT. 
.FRI...E WIND 25 KT. SEAS IN ICE FREE WATERS 13 FT. 
.SAT...E WIND 30 KT. SEAS IN ICE FREE WATERS 12 FT.  

$$
4 follow-up statements
871 
FZAK62 PAFC 161221
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKST TUE FEB 16 2010

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-170300-
400 AM AKST TUE FEB 16 2010
.SYNOPSIS FOR CENTRAL BERING SEA...

WEAK LOW PRESSURE WILL CONTINUE OVER THE EASTERN BERING SEA THROUGH
WED. A 967 MB LOW NEAR 48N 168E TUE AFTERNOON MOVES TO NEAR 52N 168E
AND INTENSIFIES TO 951 MB LATE WED MORNING BEFORE MOVING TO NEAR 52N
174E AND WEAKENING TO 966 MB WED NIGHT. 

$$

PKZ411-170300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKST TUE FEB 16 2010

...STORM WARNING TONIGHT AND WEDNESDAY...

.TODAY...W WIND 20 KT BECOMING E IN THE AFTERNOON. SEAS 9 FT.
FREEZING SPRAY. 
.TONIGHT...E WIND 45 KT INCREASING TO 60 KT AFTER MIDNIGHT. SEAS
12 FT BUILDING TO 27 FT AFTER MIDNIGHT. FREEZING SPRAY. 
.WED...SE WIND 50 KT. SEAS 30 FT. SNOW AND RAIN. 
.WED NIGHT...SE WIND 40 KT. SEAS 24 FT. 
.THU...E WIND 30 KT. SEAS 18 FT. 
.FRI...NE WIND 30 KT. SEAS 12 FT. 
.SAT...SE WIND 30 KT. SEAS 14 FT.  

$$

PKZ412-170300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKST TUE FEB 16 2010

...GALE WARNING WEDNESDAY...

.TODAY...NW WIND 25 KT. SEAS 10 FT. FREEZING SPRAY. 
.TONIGHT...NE WIND 20 KT. SEAS 8 FT. FREEZING SPRAY. 
.WED...E WIND 35 KT. SEAS 12 FT. FREEZING SPRAY. 
.WED NIGHT...E WIND 35 KT. SEAS 15 FT. 
.THU THROUGH SAT...E WIND 30 KT. SEAS 12 FT.  

$$

PKZ413-170300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKST TUE FEB 16 2010

...GALE WARNING THROUGH WEDNESDAY...

.TODAY...NW WIND 35 KT. SEAS 12 FT. 
.TONIGHT...W WIND 20 KT BECOMING SE 35 KT AFTER MIDNIGHT. 
SEAS 11 FT. 
.WED...SE WIND 40 KT. SEAS 18 FT. SNOW AND RAIN. 
.WED NIGHT...SE WIND 35 KT. SEAS 15 FT. 
.THU...SE WIND 25 KT. SEAS 15 FT. 
.FRI AND SAT...SE WIND 30 KT. SEAS 12 FT.  

$$

PKZ414-170300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKST TUE FEB 16 2010

.TODAY...NW WIND 20 KT. SEAS IN ICE FREE WATERS 6 FT. FREEZING
SPRAY. 
.TONIGHT...NW WIND 20 KT. SEAS IN ICE FREE WATERS 6 FT. FREEZING
SPRAY. 
.WED...NW WIND 15 KT. SEAS IN ICE FREE WATERS 5 FT. 
.WED NIGHT...NE WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT. 
.THU...N WIND 15 KT. SEAS IN ICE FREE WATERS 7 FT. 
.FRI...SE WIND 25 KT. SEAS IN ICE FREE WATERS 11 FT. 
.SAT...E WIND 25 KT. SEAS IN ICE FREE WATERS 9 FT.  

$$
913 
FZAK62 PAFC 162355
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKST TUE FEB 16 2010

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-171500-
400 PM AKST TUE FEB 16 2010
.SYNOPSIS FOR CENTRAL BERING SEA...
A 971 MB LOW NEAR 49N 168E MOVES TO 52N 170W AND INTENSIFIES TO 957
MB WEDNESDAY AFTERNOON. THIS LOW THEN MOVES TO 51N 180W AND WEAKENS
TO 974 MB THURSDAY AFTERNOON. A SECONDARY 986 MB LOW DEVELOPS NEAR
50N 170W WEDNESDAY EVENING AND MOVES TO 53N 169W AT 981 MB THURSDAY
AFTERNOON.
$$

PKZ411-171500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKST TUE FEB 16 2010

...STORM WARNING THROUGH WEDNESDAY...

.TONIGHT...E WIND 45 KT INCREASING TO 55 KT AFTER MIDNIGHT. GUSTS TO
65 KT AFTER MIDNIGHT. SEAS 11 FT BUILDING TO 18 FT AFTER MIDNIGHT.
PATCHY FOG. SNOW. FREEZING SPRAY N OF 55N. 
.WED...SE WIND 40 TO 50 KT. SEAS 20 FT. PATCHY FOG. SNOW AND RAIN
SHOWERS. FREEZING SPRAY N OF 55N. 
.WED NIGHT...SE WIND 35 TO 45 KT. SEAS 19 FT. PATCHY FOG. FREEZING
SPRAY N OF 55N. 
.THU...E WIND 35 KT. SEAS 19 FT. 
.THU NIGHT...E WIND 30 KT. SEAS 15 FT. 
.FRI...E WIND 30 KT. SEAS 13 FT. 
.SAT...SE WIND 30 KT. SEAS 14 FT. 
.SUN...NE WIND 25 KT. SEAS 9 FT.  

$$

PKZ412-171500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKST TUE FEB 16 2010

...GALE WARNING WEDNESDAY AND WEDNESDAY NIGHT...

.TONIGHT...NE WIND 20 KT. SEAS 7 FT. FREEZING SPRAY. 
.WED...E WIND 30 TO 40 KT. SEAS 9 TO 14 FT. PATCHY FOG. FREEZING
SPRAY. 
.WED NIGHT...E WIND 30 TO 40 KT. SEAS 14 FT. PATCHY FOG. FREEZING
SPRAY. 
.THU...E WIND 35 KT. SEAS 16 FT. 
.THU NIGHT...NE WIND 25 KT. SEAS 14 FT. 
.FRI...SE WIND 30 KT. SEAS 14 FT. 
.SAT...E WIND 30 KT. SEAS 12 FT. 
.SUN...NE WIND 30 KT. SEAS 9 FT.  

$$

PKZ413-171500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKST TUE FEB 16 2010

...GALE WARNING THROUGH WEDNESDAY NIGHT...

.TONIGHT...W WIND 20 KT BECOMING S 35 KT AFTER MIDNIGHT. SEAS 10 FT.
FREEZING SPRAY. 
.WED...SE WIND 35 TO 45 KT. SEAS 10 TO 15 FT. PATCHY FOG. SNOW AND
RAIN. 
.WED NIGHT...SE WIND 30 TO 40 KT. SEAS 16 FT. PATCHY FOG. SNOW.
.THU...E WIND 30 KT. SEAS 18 FT. 
.THU NIGHT...E WIND 25 KT. SEAS 16 FT. 
.FRI...S WIND 30 KT. SEAS 16 FT. 
.SAT...E WIND 30 KT. SEAS 12 FT. 
.SUN...NE WIND 30 KT. SEAS 9 FT.  

$$

PKZ414-171500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKST TUE FEB 16 2010

...HEAVY FREEZING SPRAY WARNING TONIGHT...

.TONIGHT...NW WIND 20 KT. SEAS IN ICE FREE WATERS 8 FT. PATCHY FOG.
HEAVY FREEZING SPRAY. 
.WED...NW WIND 15 KT. SEAS IN ICE FREE WATERS 7 FT. PATCHY FOG.
FREEZING SPRAY. 
.WED NIGHT...NE WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT. FREEZING
SPRAY.
.THU...E WIND 30 KT. SEAS IN ICE FREE WATERS 9 FT. 
.THU NIGHT...E WIND 25 KT. SEAS IN ICE FREE WATERS 10 FT. 
.FRI...S WIND 25 KT. SEAS IN ICE FREE WATERS 10 FT. 
.SAT AND SUN...E WIND 25 KT. SEAS IN ICE FREE WATERS 9 FT. 

$$
302 
FZAK62 PAFC 171224
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKST WED FEB 17 2010

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-180300-
400 AM AKST WED FEB 17 2010
.SYNOPSIS FOR CENTRAL BERING SEA...

A 953 MB LOW NEAR 52N 166E MOVES TO 52N 174E AND WEAKENS TO 967
MB WED NIGHT. THIS LOW THEN WEAKENS TO 986 MB THU NIGHT AS IT MOVES
TO NEAR 51N 179W. A STORM FORCE FRONT WITH THIS LOW MOVES INTO THE
SOUTHERN BERING AND ALONG THE ALEUTIAN CHAIN BY WED AFTERNOON AND
STALLS THROUGH THU NIGHT. A 988 MB NORTH PACIFIC LOW MOVES TO NEAR
56N 157W THU NIGHT. 

$$

PKZ411-180300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKST WED FEB 17 2010

...STORM WARNING TODAY...

.TODAY...E WIND 50 KT. SEAS 29 FT. SNOW AND RAIN. 
.TONIGHT...E WIND 45 KT. SEAS 25 FT. SNOW. FREEZING SPRAY. 
.THU...E WIND 35 KT. SEAS 19 FT. FREEZING SPRAY. 
.THU NIGHT...E WIND 30 KT. SEAS 14 FT. 
.FRI...NE WIND 25 KT. SEAS 11 FT. 
.SAT...SE WIND 30 KT. SEAS 12 FT. 
.SUN...NE WIND 25 KT. SEAS 8 FT.  

$$

PKZ412-180300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKST WED FEB 17 2010

...GALE WARNING THROUGH THURSDAY...

.TODAY...E WIND 25 KT INCREASING TO 40 KT IN THE AFTERNOON. SEAS 
6 FT BUILDING TO 15 FT IN THE AFTERNOON. FREEZING SPRAY. 
.TONIGHT...E WIND 40 KT. SEAS 19 FT. FREEZING SPRAY. 
.THU...E WIND 35 KT. SEAS 16 FT. FREEZING SPRAY. 
.THU NIGHT...NE WIND 25 KT. SEAS 14 FT. 
.FRI...SE WIND 25 KT. SEAS 10 FT. 
.SAT...E WIND 30 KT. SEAS 11 FT. 
.SUN...NE WIND 30 KT. SEAS 11 FT.  

$$

PKZ413-180300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKST WED FEB 17 2010

...GALE WARNING THROUGH TONIGHT...

.TODAY...SE WIND 45 KT. SEAS 19 FT. SNOW AND RAIN. 
.TONIGHT...SE WIND 40 KT. SEAS 17 FT. SNOW AND RAIN. 
.THU...SE WIND 30 KT. SEAS 14 FT. 
.THU NIGHT...E WIND 25 KT. SEAS 12 FT. 
.FRI...SE WIND 25 KT. SEAS 9 FT. 
.SAT...E WIND 25 KT. SEAS 8 FT. 
.SUN...NE WIND 30 KT. SEAS 11 FT.  

$$

PKZ414-180300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKST WED FEB 17 2010

.TODAY...NW WIND 15 KT. SEAS IN ICE FREE WATERS 4 FT. 
.TONIGHT...E WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT. FREEZING
SPRAY. 
.THU...E WIND 30 KT. SEAS IN ICE FREE WATERS 9 FT. FREEZING SPRAY. 
.THU NIGHT...E WIND 25 KT. SEAS IN ICE FREE WATERS 8 FT. 
.FRI...S WIND 25 KT. SEAS IN ICE FREE WATERS 7 FT. 
.SAT AND SUN...E WIND 25 KT. SEAS IN ICE FREE WATERS 7 FT.  

$$
550 
FZAK62 PAFC 180020
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKST WED FEB 17 2010

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-181500-
400 PM AKST WED FEB 17 2010
.SYNOPSIS FOR CENTRAL BERING SEA...
A 957 MB LOW NEAR 52N 169E WEAKENS TO 985 MB AS IT MOVES TO 54N 178E
FRIDAY AFTERNOON. A 989 MB LOW NEAR 49N 174W MOVES TO 54N 174W AND AT
991 MB FRIDAY MORNING. A 987 MB LOW NEAR 55N 154W THURSDAY MOVES TO
63N 169W AND WEAKENS TO 997 MB FRIDAY AFTERNOON.
$$

PKZ411-181500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKST WED FEB 17 2010

...GALE WARNING THROUGH THURSDAY...

.TONIGHT...SE WIND 30 TO 40 KT. SEAS 16 TO 20 FT. SNOW. FREEZING
SPRAY N OF 56N. 
.THU...E WIND 25 TO 35 KT. SEAS 15 TO 19 FT. FREEZING SPRAY N OF 
56N. 
.THU NIGHT...E WIND 30 KT. SEAS 15 FT. FREEZING SPRAY N OF 56N. 
.FRI...E WIND 30 KT. SEAS 12 FT. 
.FRI NIGHT...E WIND 25 KT. SEAS 12 FT. 
.SAT...SE WIND 30 KT. SEAS 10 FT. 
.SUN...NE WIND 25 KT. SEAS 8 FT. 
.MON...N WIND 20 KT. SEAS 6 FT.  

$$

PKZ412-181500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKST WED FEB 17 2010

...GALE WARNING TONIGHT...

.TONIGHT...E WIND 25 TO 35 KT. SEAS 12 TO 16 FT. FREEZING SPRAY. 
.THU...E WIND 20 TO 30 KT. SEAS 10 TO 15 FT. FREEZING SPRAY. 
.THU NIGHT...E WIND 25 KT. SEAS 10 TO 15 FT. FREEZING SPRAY. 
.FRI...E WIND 20 KT. SEAS 11 FT. 
.FRI NIGHT...SE WIND 25 KT. SEAS 10 FT. 
.SAT...E WIND 25 KT. SEAS 8 FT. 
.SUN...NE WIND 30 KT. SEAS 8 FT. 
.MON...E WIND 20 KT. SEAS 5 FT.  

$$

PKZ413-181500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKST WED FEB 17 2010

...GALE WARNING TONIGHT...

.TONIGHT...SE WIND 25 TO 35 KT. SEAS 16 FT. SNOW.
.THU...SE WIND 25 KT. SEAS 14 FT. SNOW SHOWERS. 
.THU NIGHT...E WIND 25 KT. SEAS 14 FT. 
.FRI...SE WIND 20 KT. SEAS 12 FT. 
.FRI NIGHT...S WIND 25 KT. SEAS 11 FT. 
.SAT...E WIND 20 KT. SEAS 9 FT. 
.SUN...NE WIND 30 KT. SEAS 8 FT. 
.MON...N WIND 15 KT. SEAS 5 FT.  

$$

PKZ414-181500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKST WED FEB 17 2010

.TONIGHT...VARIABLE WIND 15 KT. SEAS IN ICE FREE WATERS 6 FT. PATCHY
FOG. 
.THU...E WIND 25 KT. SEAS IN ICE FREE WATERS 7 FT. FREEZING SPRAY.
.THU NIGHT...NE WIND 15 KT. SEAS IN ICE FREE WATERS 6 FT. FREEZING
SPRAY.
.FRI...S WIND 20 KT. SEAS IN ICE FREE WATERS 7 FT. 
.FRI NIGHT...SE WIND 20 KT. SEAS IN ICE FREE WATERS 7 FT. 
.SAT...E WIND 20 KT. SEAS IN ICE FREE WATERS 8 FT. 
.SUN...E WIND 25 KT. SEAS IN ICE FREE WATERS 6 FT. 
.MON...SE WIND 30 KT. SEAS IN ICE FREE WATERS 8 FT.  

$$

What forecasters said that day

The local office's own words before this storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Anchorage, AK wrote its last area forecast discussion before this storm warning went out at Feb 15, 2:00 PM AKST, 2 hours earlier.

Area forecast discussion, Feb 15, 2:00 PM AKST, 2 hours before
AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
200 PM AKST MON FEB 15 2010

.MODEL DISCUSSION...SYNOPTIC FIELD INITIALIZATIONS AND FORECAST
TRENDS ARE WITHIN REASON THROUGH WED. SOLUTIONS IN THE EAST CONTINUE
RELATIVELY CONSISTENT THROUGH THU AFTERNOON...HOWEVER MODEL SOLUTIONS
DIVERGENCE CONSIDERABLY IN THE WESTERN/CENTER BERING SEA/ALEUTIANS.
AFTERNOON PACKAGES WILL GENERALLY BE BASED ON BLENDS OF CURRENT GRIDS
WITH THE GFS.

.ANALYSIS AND UPPER LEVELS...

.500MB...SAT PICTURE WITH 500 MB HEIGHT OVERLAY SHOWS STRONG WESTERLY
NORTH PACIFIC JET FROM JAPAN TO OVER THE NE PACIFIC. SE ORIENTED
TROUGH EXTENDS FROM A LOW OVER THE SEA OF OKHOTSK TO OVER THE NE
PACIFIC OCEAN. WEAK RIDGE EXTENDING NORTH FROM THE WEST COAST TO OVER
CANADA. TROUGH SHARPENS ALONG 150-160W TUE AND WED AS COLD AIR DIGS
SOUTH. IN RESPONSE THE RIDGE BUILDS ALONG 130W. BY WED AFTERNOON...A
LONG SOUTHERLY FETCH EXTENDS FROM AROUND 40N 130-140W TO OVER THE
GULF OF ALASKA AND BRINGS MOISTURE AND WARMING TEMPS.
OUT WEST...TROUGH EXTENDING SOUTH OF THE LOW OVER THE SEA OF OKHOTSK
DIGS SOUTH AND BUILDS THE RIDGE OVER THE OVER THE CENTRAL
ALEUTIANS/BERING SEA TUE NIGHT. THE RIDGE THEN FLATTENS WED/THU AS
LOW CENTER TRACKS TO THE WESTERN ALEUTIANS AND ASSOCIATED TROUGH DIGS
SE.

.SURFACE...
SOUTHCENTRAL/GULF OF ALASKA...EXPECT RELATIVELY MILD TEMPERATURES
WILL CONTINUE ACROSS THE REGION THROUGH MUCH OF THE WEEK AS A SERIES
OF WAVES TRACK ACROSS THE NORTH PACIFIC AND RECURVE NORTHWEST INTO
THE GULF. WEAKENING CENTER NEAR KODIAK WILL CONTINUE TO WEAKEN AND
MOVE WEST THROUGH THIS AFTERNOON ALLOWING GAP WINDS TO DIMINISH
TODAY. NEXT LOW TO ENTER THE GULF...CURRENTLY SW OF THE QUEEN
CHARLOTTE ISLANDS...WEAKENS AS IT MOVES TO KODIAK ISLAND TUE
AFTERNOON. EXPECT GALES TO NEAR STORM FORCE WINDS IN COASTAL MARINES.
PRECIPITATION AGAIN SHOULD BE CAUGHT BY COASTS AND SE EXPOSURES WITH
DOWN-SLOPING AND DRIER CONDITIONS INLAND. ONSET OF DEEP SOUTHERLY
FLOW OVER THE GULF AND NE PACIFIC WED AND THU WILL CONTINUE MILD
TEMPS AND BRING SIGNIFICANT PRECIPITATION POTENTIAL TO GULF COASTAL
LOCATIONS.

SW MAINLAND...WEAKENING LOW MOVES INTO BRISTOL BAY THIS AFTERNOON.
EXPECT SOME LIGHT SNOW OR MIX WITH THIS SYSTEM. GUSTY GAP WINDS
THROUGH THE ALEUTIAN RANGE SHOULD SUBSIDE TONIGHT AS GRADIENTS RELAX.
A WEAK TROUGH WILL CONTINUE OVER BRISTOL BAY AND SW ALASKA THROUGH
WED...SO WILL SEE GENERALLY LIGHT WINDS AND THE THREAT OF RAIN/SNOW
IN THE BRISTOL BAY AREA TO SNOW OVER THE DELTA AND INLAND. DEVELOPING
WEST PACIFIC STORM MOVES TO THE WESTERN ALEUTIANS IN THE LOWER 960S
EARLY WED MORNING. THIS CENTER THEN BECOME NEARLY STATIONARY AND
WEAKENS THU MORNING. THE ASSOCIATED FRONT IMPACTS THE WESTERN
ALEUTIANS TUE AFTERNOON AND MOVES TO THE EAST CENTRAL ALEUTIANS BY
WED AFTERNOON. EXPECT GALE TO STORM FORCE WINDS WITH THIS FRONT.
ASSOCIATED PRECIPITATION SHOULD START AS SNOW...BUT SHOULD RAPIDLY
CHANGE OVER OR MIX WITH RAIN. SO FOR NOW NOT THINKING BLIZZARD
CONDITIONS AS FRONT MOVES ACROSS THE CHAIN...HOWEVER HIGH WIND
CONDITIONS ARE A CONCERN.

LONG TERM FORECAST...
CONTINUED WARM WEATHER FOR MOST OF SOUTHERN ALASKA IS EXPECTED...WITH
SIGNS BEGINNING TO APPEAR THAT THE LARGE UPPER RIDGE CURRENTLY OVER
THE PANHANDLE REGION WILL BUILD NORTH AND WEST ACROSS THE SOUTHERN
MAINLAND LATE IN THE WEEK OR NEXT WEEKEND. THIS WOULD RESULT IN A
GENERAL CLEARING TREND WITH DIMINISHING PRECIPITATION CHANCES OVER
ALL OF THE SOUTHCENTRAL MAINLAND REGION.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...STORM 175 AND 176. GALE 120 125 130 140 172.
FIRE WEATHER...NONE.

RMC FEB 10

The office that day

Everything else NWS Anchorage, AK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 15, 4:00 PM AKSTGale WarningAFC60 hr
Feb 15, 4:00 PM AKSTGale WarningAFC60 hr
Feb 15, 4:00 PM AKSTStorm WarningAFC36 hr
Feb 15, 8:19 PM AKSTDense Fog AdvisoryAFC4 hr
Feb 16, 4:00 AM AKSTBrisk Wind AdvisoryAFC3 days
Feb 16, 4:00 AM AKSTSmall Craft AdvisoryAFC4 days
Feb 16, 4:00 AM AKSTSmall Craft AdvisoryAFC4 days
Feb 16, 4:00 AM AKSTHeavy Freezing Spray WarningAFC36 hr
Feb 16, 4:22 AM AKSTHigh Wind WatchAFC6 hr
Feb 16, 10:03 AM AKSTHigh Wind WarningAFC16 hr

Nearby

Storm Warnings in Alaska, 2010Every storm warning in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.