Alert archive / Alaska / Red Flag Warnings in 2009

Red Flag Warning 5, NWS Fairbanks, AK

May 25, 2009

NWS Fairbanks, AK issued this red flag warning at May 25, 2009, 7:43 AM AKDT. It took effect at May 25, 2009, 10:00 AM AKDT. It was in force for 35 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
May 25, 2009, 7:43 AM AKDT (15:43 UTC)
In effect from
May 25, 2009, 10:00 AM AKDT
Expired
May 26, 2009, 9:16 PM AKDT
In force
35 hr
Issued by
NWS Fairbanks, AK

The text

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

000 
WWAK63 PAFG 251543
RFWAFG

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
743 AM AKDT MON MAY 25 2009

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 10 PM
AKDT TUESDAY FOR LOW HUMIDITY FOR A PORTION OF THE NORTHERN
INTERIOR...

AKZ220-252345-
/X.NEW.PAFG.FW.W.0005.090525T1800Z-090527T0600Z/
YUKON FLATS AND SURROUNDING UPLANDS-
743 AM AKDT MON MAY 25 2009

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 10 PM
AKDT TUESDAY FOR LOW HUMIDITY...

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 10 PM
AKDT TUESDAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ZONE 220 SHOULD REMAIN WARM AND DRY THROUGH TUESDAY EVENING. AFTERNOON
RH VALUES WILL FALL BELOW 15 PERCENT THIS AFTERNOON. NO PRECIPITATION
IS EXPECTED. RED FLAG CONDITIONS SHOULD CEASE BY WEDNESDAY AS AN
UPPER LEVEL TROUGH ADVECTS MOISTURE OVER THE AREA.


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.

&&

$$
4 follow-up statements
000 
WWAK63 PAFG 252313
RFWAFG

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
313 PM AKDT MON MAY 25 2009

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT TUESDAY
FOR LOW HUMIDITY FOR A PORTION OF THE NORTHERN INTERIOR...

AKZ220-261730-
/X.CON.PAFG.FW.W.0005.000000T0000Z-090527T0600Z/
YUKON FLATS AND SURROUNDING UPLANDS-
313 PM AKDT MON MAY 25 2009

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT TUESDAY
FOR LOW HUMIDITY...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT TUESDAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ZONE 220 SHOULD REMAIN WARM AND DRY THROUGH TUESDAY EVENING.
AFTERNOON RH VALUES WILL FALL BELOW 15 PERCENT THIS AFTERNOON. NO
PRECIPITATION IS EXPECTED. RED FLAG CONDITIONS SHOULD CEASE BY
WEDNESDAY AS AN UPPER LEVEL TROUGH ADVECTS MOISTURE OVER THE
AREA.

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.

&&

$$
000 
WWAK63 PAFG 261558
RFWAFG

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
758 AM AKDT TUE MAY 26 2009

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 10 PM
AKDT THIS EVENING FOR LOW HUMIDITY FOR A PORTION OF THE CENTRAL INTERIOR...

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 10 PM
AKDT THIS EVENING FOR LOW HUMIDITY FOR A PORTION OF THE EASTERN INTERIOR...

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS
EVENING FOR LOW HUMIDITY FOR A PORTION OF THE NORTHERN
INTERIOR...

AKZ221-270000-
/X.EXB.PAFG.FW.W.0005.090526T1800Z-090527T0600Z/
CENTRAL INTERIOR-
758 AM AKDT TUE MAY 26 2009

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 10 PM
AKDT THIS EVENING FOR LOW HUMIDITY...

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 10 PM
AKDT THIS EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE COVERAGE OF SHOWERS AND THUNDERSTORMS YESTERDAY WAS NOT LARGE
ENOUGH TO RAISE RH VALUES IN MOST OF THE INTERIOR YESTERDAY. 
ADDED ZONES 221 THROUGH 224 ALONG WITH ZONE 220 AS SOME AREAS
WILL STILL SEE RH VALUES IN THE 10-20 PERCENT RANGE TODAY.
RED FLAG CONDITIONS SHOULD CEASE BY WEDNESDAY AS AN UPPER LEVEL
TROUGH ADVECTS MOISTURE OVER THE AREA.

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.

&&

$$

AKZ222-270000-
/X.EXB.PAFG.FW.W.0005.090526T1800Z-090527T0600Z/
MIDDLE TANANA VALLEY-
758 AM AKDT TUE MAY 26 2009

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 10 PM
AKDT THIS EVENING FOR LOW HUMIDITY...

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 10 PM
AKDT THIS EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE COVERAGE OF SHOWERS AND THUNDERSTORMS YESTERDAY WAS NOT LARGE
ENOUGH TO RAISE RH VALUES IN MOST OF THE INTERIOR YESTERDAY. 
ADDED ZONES 221 THROUGH 224 ALONG WITH ZONE 220 AS SOME AREAS
WILL STILL SEE RH VALUES IN THE 10-20 PERCENT RANGE TODAY.
RED FLAG CONDITIONS SHOULD CEASE BY WEDNESDAY AS AN UPPER LEVEL
TROUGH ADVECTS MOISTURE OVER THE AREA.

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.

&&

$$

AKZ224-270000-
/X.EXB.PAFG.FW.W.0005.090526T1800Z-090527T0600Z/
UPPER TANANA VALLEY AND THE FORTYMILE COUNTRY-
758 AM AKDT TUE MAY 26 2009

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 10 PM
AKDT THIS EVENING FOR LOW HUMIDITY...

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 10 PM
AKDT THIS EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE COVERAGE OF SHOWERS AND THUNDERSTORMS YESTERDAY WAS NOT LARGE
ENOUGH TO RAISE RH VALUES IN MOST OF THE INTERIOR YESTERDAY. 
ADDED ZONES 221 THROUGH 224 ALONG WITH ZONE 220 AS SOME AREAS
WILL STILL SEE RH VALUES IN THE 10-20 PERCENT RANGE TODAY.
RED FLAG CONDITIONS SHOULD CEASE BY WEDNESDAY AS AN UPPER LEVEL
TROUGH ADVECTS MOISTURE OVER THE AREA.

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.

&&

$$

AKZ220-270000-
/X.CON.PAFG.FW.W.0005.000000T0000Z-090527T0600Z/
YUKON FLATS AND SURROUNDING UPLANDS-
758 AM AKDT TUE MAY 26 2009

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS
EVENING FOR LOW HUMIDITY...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS
EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ZONE 220 SHOULD REMAIN WARM AND DRY THROUGH TUESDAY EVENING.
AFTERNOON RH VALUES WILL FALL BELOW 15 PERCENT THIS AFTERNOON. NO
PRECIPITATION IS EXPECTED. RED FLAG CONDITIONS SHOULD CEASE BY
WEDNESDAY AS AN UPPER LEVEL TROUGH ADVECTS MOISTURE OVER THE
AREA.

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.

&&

$$
000 
WWAK63 PAFG 262319
RFWAFG

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
319 PM AKDT TUE MAY 26 2009

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS
EVENING FOR LOW HUMIDITY FOR A PORTION OF THE NORTHERN
INTERIOR...

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS
EVENING FOR LOW HUMIDITY FOR A PORTION OF THE CENTRAL
INTERIOR...

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS
EVENING FOR LOW HUMIDITY FOR A PORTION OF THE EASTERN
INTERIOR...

AKZ220-270600-
/X.CON.PAFG.FW.W.0005.000000T0000Z-090527T0600Z/
YUKON FLATS AND SURROUNDING UPLANDS-
319 PM AKDT TUE MAY 26 2009

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS
EVENING FOR LOW HUMIDITY...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS
EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ZONE 220 SHOULD REMAIN WARM AND DRY THROUGH TUESDAY EVENING.
AFTERNOON RH VALUES WILL FALL BELOW 15 PERCENT THIS AFTERNOON. NO
PRECIPITATION IS EXPECTED. RED FLAG CONDITIONS SHOULD CEASE BY
WEDNESDAY AS AN UPPER LEVEL TROUGH ADVECTS MOISTURE OVER THE
AREA.

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.

&&

$$

AKZ221-270600-
/X.CON.PAFG.FW.W.0005.000000T0000Z-090527T0600Z/
CENTRAL INTERIOR-
319 PM AKDT TUE MAY 26 2009

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS
EVENING FOR LOW HUMIDITY...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS
EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE COVERAGE OF SHOWERS AND THUNDERSTORMS YESTERDAY WAS NOT LARGE
ENOUGH TO RAISE RH VALUES IN MOST OF THE INTERIOR YESTERDAY.
ADDED ZONES 221 THROUGH 224 ALONG WITH ZONE 220 AS SOME AREAS
WILL STILL SEE RH VALUES IN THE 10-20 PERCENT RANGE THIS AFTERNOON. RED
FLAG CONDITIONS SHOULD CEASE BY WEDNESDAY AS AN UPPER LEVEL
TROUGH ADVECTS MOISTURE OVER THE AREA.

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.

&&

$$

AKZ222-270600-
/X.CON.PAFG.FW.W.0005.000000T0000Z-090527T0600Z/
MIDDLE TANANA VALLEY-
319 PM AKDT TUE MAY 26 2009

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS
EVENING FOR LOW HUMIDITY...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS
EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE COVERAGE OF SHOWERS AND THUNDERSTORMS YESTERDAY WAS NOT LARGE
ENOUGH TO RAISE RH VALUES IN MOST OF THE INTERIOR YESTERDAY.
ADDED ZONES 221 THROUGH 224 ALONG WITH ZONE 220 AS SOME AREAS
WILL STILL SEE RH VALUES IN THE 10-20 PERCENT RANGE 
THIS AFTERNOON. RED FLAG CONDITIONS SHOULD CEASE BY WEDNESDAY
AS AN UPPER LEVEL TROUGH ADVECTS MOISTURE OVER THE AREA.

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.

&&

$$

AKZ224-270600-
/X.CON.PAFG.FW.W.0005.000000T0000Z-090527T0600Z/
UPPER TANANA VALLEY AND THE FORTYMILE COUNTRY-
319 PM AKDT TUE MAY 26 2009

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS
EVENING FOR LOW HUMIDITY...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS
EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE COVERAGE OF SHOWERS AND THUNDERSTORMS YESTERDAY WAS NOT LARGE
ENOUGH TO RAISE RH VALUES IN MOST OF THE INTERIOR YESTERDAY.
ADDED ZONES 221 THROUGH 224 ALONG WITH ZONE 220 AS SOME AREAS
WILL STILL SEE RH VALUES IN THE 10-20 PERCENT RANGE THIS
AFTERNOON. RED FLAG CONDITIONS SHOULD CEASE BY WEDNESDAY 
AS AN UPPER LEVEL TROUGH ADVECTS MOISTURE OVER THE AREA.

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.

&&

$$
000 
WWAK63 PAFG 270516
RFWAFG

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE FAIRBANKS AK
916 PM AKDT TUE MAY 26 2009

...RED FLAG WARNING IS CANCELLED FOR A PORTION OF THE EASTERN
INTERIOR...

...RED FLAG WARNING IS CANCELLED FOR A PORTION OF THE NORTHERN
INTERIOR...

...RED FLAG WARNING IS CANCELLED FOR A PORTION OF THE CENTRAL
INTERIOR...

AKZ220>222-224-270630-
/X.CAN.PAFG.FW.W.0005.000000T0000Z-090527T0600Z/
YUKON FLATS AND SURROUNDING UPLANDS-CENTRAL INTERIOR-
MIDDLE TANANA VALLEY-
UPPER TANANA VALLEY AND THE FORTYMILE COUNTRY-
916 PM AKDT TUE MAY 26 2009

...RED FLAG WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS CANCELLED THE RED
FLAG WARNING. HUMIDITIES ARE INCREASING AND ARE NOT EXPECTED TO DECREASE
TO RED FLAG WARNING LEVELS AGAIN ON WEDNESDAY.

$$
RT MAY 09

What forecasters said that day

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

NWS Fairbanks, AK wrote its last area forecast discussion before this red flag warning went out at May 25, 4:36 AM AKDT, 3 hours 7 minutes earlier.

Area forecast discussion, May 25, 4:36 AM AKDT, 3 hours 7 minutes before
NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
436 AM AKDT MON MAY 25 2009

.DISCUSSION...
THE WEATHER PATTERN WILL UNDERGO CHANGES EARLY THIS WEEK...AND
THE MODELS REMAIN IN DECENT AGREEMENT IN THE SHORT TERM.

ALOFT...THE RIDGE THAT IS CURRENTLY ACROSS THE NORTHEAST BROOKS
RANGE WILL GRADUALLY BREAK DOWN AND GET SHUNTED TO THE SOUTH EARLY
THIS WEEK BY A DEVELOPING TROUGH ALONG THE WEST COAST. ANOTHER
CLOSED MID/UPPER LEVEL RIDGE CURRENTLY IN THE NORTHERN BERING SEA
WILL ALSO GET SQUASHED IN THE PROCESS...BUT WILL REBUILD TO THE
NORTH OF KAMCHATKA BY TUES NIGHT. AN UPPER LOW NEAR 80N 160E LIFTS
TO THE NORTHEAST AND AS THE ENERGY SPLITS A TROUGH WILL GRADUALLY
AMPLIFY ALONG THE WEST COAST TUE AND WED.

SURFACE...1030 MB HIGH CENTERED JUST SOUTH OF BANKS ISLAND EARLY
THIS MORNING WILL SLOWLY SLIDE SOUTHEAST ACROSS NORTHERN CANADA
THROUGH TUESDAY. A 1008 MB LOW IN THE GULF OF ALASKA WILL
CONTINUE TO SIT AND SPIN THROUGH TUESDAY. A 1030 MB HIGH IN THE
CENTRAL BERING SEA WILL REMAIN IN TACT THROUGH TONIGHT AND SLOWLY
DRIFT SOUTH OF THE ALEUTIANS TUESDAY. A 995 MB LOW NEAR 82N 165E
WILL LIFT TO THE NORTHEAST TO THE OTHER SIDE OF THE POLE BY
TUESDAY.

INTERIOR...THE THERMAL TROUGH CONTINUED TO PROVIDE THE FOCUS FOR
CONVECTION AND FIRE STARTS ACROSS THE INTERIOR YESTERDAY.
THERE WERE APPROXIMATELY 700 CLOUD TO GROUND LIGHTNING STRIKES
YESTERDAY...MAINLY WEST OF THE PARKS HIGHWAY IN ZONE 225
WEST/SOUTHWEST TO MCGRATH...AND IN ZONE 216 TO THE SOUTH OF
GALENA. THE THERMAL TROUGH GETS NUDGED JUST A BIT FURTHER SOUTH
TODAY...WITH THE BEST CHANCE OF THUNDERSTORMS ACROSS THE ALASKA
RANGE TO MCGRATH. THE AIR LOOKS TOO DRY AND STABLE FOR ANY
THUNDERSTORMS TO THE NORTH OF A LINE FROM ABOUT FAIRBANKS TO
GALENA. THE DEW POINT AT FAIRBANKS HAS DROPPED ABOUT 10F
OVERNIGHT...AND THE MORNING SOUNDING IS DRIER AND MORE STABLE THAN
24 HOURS AGO. THE AIRMASS CONTINUES TO BE QUITE WARM WITH AN 850MB
TEMP OF +10C. YESTERDAY WAS THE FIRST 80 DEGREE DAY AT THE
FAIRBANKS INTERNATIONAL AIRPORT...NEARLY A MONTH EARLIER THAN LAST
YEAR. THERE WILL NOT BE ANY PROBLEM REACHING THE CONVECTIVE TEMPS
TODAY...BUT AGAIN IT LOOKS TOO DRY AND STABLE FOR THUNDERSTORMS
FROM ABOUT FAIRBANKS NORTH. THE THERMAL TROUGH STRENGTHENS A BIT
ON TUESDAY AHEAD OF A STRONG COLD FRONT THAT WILL STILL BE WELL
NORTH OF THE INTERIOR...BUT IT WILL PROBABLY BE TOO STABLE WITHOUT
ENOUGH MOISTURE NORTH OF THE ALASKA RANGE FOR CONVECTION. AS THE
UPPER FLOW TURNS INTO THE SOUTH TUESDAY NIGHT AND WEDNESDAY THERE
WILL LIKELY BE ENOUGH SUPPORT FOR SOME STRONGER WIND IN THE AK
RANGE PASSES.

NORTH SLOPE...THE WARM AIRMASS THAT PRODUCED 850 MB TEMPS OF +6C
YESTERDAY ALL THE WAY NORTH TO BARROW WILL BE COMING TO AN ABRUPT END
AS A STRONG COLD FRONT ORGANIZES ACROSS THE CHUKCHI SEA EARLY THIS
MORNING. THE FRONT WILL PUSH TO ABOUT BARROW AND KIVALINA BY THIS
AFTERNOON AND WILL CONTINUE TO SLIDE SOUTH AND EAST THROUGH
TUESDAY. THIS WILL BRING MUCH COLDER AIR BACK TO THE BROOKS RANGE
AND COASTAL PLAIN ALONG WITH SOME SNOW SHOWERS. AREAS OF DENSE FOG
THIS MORNING ALONG THE BEAUFORT SEA COAST.

WEST COAST...SCATTERED THUNDERSTORMS THIS AFTERNOON AND EVENING
SOUTH OF GALENA ALONG THE THERMAL TROUGH. MAINLY DRY ALONG THE
COAST WITH SOME AREAS OF LOW CLOUDS/FOG. AREAS OF DENSE FOG THIS
MORNING IN THE Y-K DELTA AS WELL AS ON SAINT LAWRENCE ISLAND AND
ALONG THE BERING STRAIT COAST. A COLD FRONT ORGANIZING ACROSS THE
CHUKCHI SEA WILL APPROACH THE BERING STRAIT THIS AFTERNOON...AND
THE NORTON SOUND BY LATE TONIGHT. A MUCH COLDER AIR MASS WILL BE
USHERED IN BEHIND THIS FRONT WITH A FEW SNOW SHOWERS ALONG THE
NORTHWEST COAST BY TONIGHT.

&&

.FIRE WEATHER...
WARM AND DRY ACROSS MUCH OF THE INTERIOR TODAY WITH RELATIVE
HUMIDITIES BELOW 20 PCT IN MANY AREAS...AND PERHAPS AS LOW AS 15
PCT IN SOME SPOTS. THE BEST CHANCE OF THUNDERSTORMS THIS
AFTERNOON WILL BE ACROSS THE ALASKA RANGE WEST TO MCGRATH. ERRATIC
WIND GUSTS TO 40 MPH ARE POSSIBLE IN/NEAR ANY THUNDERSTORMS THIS
AFTERNOON AND EVENING. THE WIND WILL BE RELATIVELY LIGHT ASIDE FOR
AREAS IN/NEAR CONVECTION...BUT THE RHS WILL LIKELY BE LOW ENOUGH
TO REQUIRE SOME HEADLINES TODAY INTO THIS EVENING.

&&

.HYDROLOGY...
A FLOOD WARNING REMAINS IN EFFECT UNTIL 6 PM AKDT TODAY FOR THE
YUKON RIVER DELTA. A FLOOD ADVISORY REMAINS IN EFFECT FOR THE
COLVILLE RIVER AT COLVILLE UNTIL 6 PM AKDT TODAY.

PLEASE REFER TO THE SPECIFIC WARNING AND ADVISORY PRODUCTS FOR MORE
DETAILS.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...

FLOOD WARNING FOR AKZ214

FLOOD ADVISORY FOR AKZ203.

&&

CB MAY 09

Nearby

Red Flag Warnings in Alaska, 2009Every red flag warning in 2009

Sources

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