Alert archive / Alaska / Red Flag Warnings in 2011

Red Flag Warning 1, NWS Anchorage, AK

April 28, 2011

NWS Anchorage, AK issued this red flag warning at Apr 28, 2011, 3:45 PM AKDT. It took effect at Apr 29, 2011, 1:00 PM AKDT. It was in force for 8 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
Apr 28, 2011, 3:45 PM AKDT (23:45 UTC)
In effect from
Apr 29, 2011, 1:00 PM AKDT
Expired
Apr 29, 2011, 9:25 PM AKDT
In force
8 hr
Issued by
NWS Anchorage, AK

The text

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

505 
WWAK61 PAFC 282345
RFWAER

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
345 PM AKDT THU APR 28 2011

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 10 PM AKDT FRIDAY
   FOR STRONG WIND IN THE MATANUSKA VALLEY...

AKZ111-292345-
/X.NEW.PAFC.FW.W.0001.110429T2100Z-110430T0600Z/
MATANUSKA VALLEY-
345 PM AKDT THU APR 28 2011

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 10 PM AKDT FRIDAY 
   FOR STRONG WIND...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM TO 10 PM AKDT FRIDAY. 

SOUTHEAST WINDS WILL INCREASE TO 15 TO 30 MPH DURING THE DAY FRIDAY
OVER THE MATANUSKA VALLEY AHEAD OF A WEAKENING FRONT OVER THE GULF
OF ALASKA. RELATIVE HUMIDITIES DURING THE AFTERNOON AND EVENING HOURS
WILL ALSO DROP BELOW 30 PERCENT...BUT ARE EXPECTED TO RECOVER ABOVE
THIS LATER FRIDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE IMMINENT OR OCCURRING NOW...OR WILL SHORTLY. IT IS DIRECTED
TOWARD FIRE AGENCIES...AND THROUGH THEM TO THE PUBLIC.

&&

$$
3 follow-up statements
466 
WWAK61 PAFC 291531
RFWAER

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
731 AM AKDT FRI APR 29 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
10 PM AKDT THIS EVENING FOR STRONG WIND IN THE MATANUSKA VALLEY...

AKZ111-300345-
/X.CON.PAFC.FW.W.0001.110429T2100Z-110430T0600Z/
MATANUSKA VALLEY-
731 AM AKDT FRI APR 29 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
10 PM AKDT THIS EVENING FOR STRONG WIND IN THE MATANUSKA VALLEY...

A RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
10 PM AKDT THIS EVENING . 

SOUTHEAST WINDS WILL INCREASE TO 15 TO 30 MPH DURING THE DAY
FRIDAY OVER THE MATANUSKA VALLEY AHEAD OF A WEAKENING FRONT OVER
THE GULF OF ALASKA. THE STRONGEST WINDS WILL OCCUR ALONG THE KNIK
RIVER VALLEY AND INTO PALMER WITH WEAKER WINDS AS YOU HEAD
WESTWARD FROM PALMER. RELATIVE HUMIDITIES DURING THE AFTERNOON
AND EVENING HOURS WILL ALSO DROP INTO THE 28 TO 36 PERCENT RANGE
WITH DRIEST CONDITIONS IN THE SAME AREA AS THE STRONGEST WINDS.
RELATIVE HUMIDITIES ARE EXPECTED TO RECOVER TO BACK ABOVE 40 PERCENT 
BY LATE EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE IMMINENT OR OCCURRING NOW...OR WILL SHORTLY. IT IS DIRECTED
TOWARD FIRE AGENCIES...AND THROUGH THEM TO THE PUBLIC.

&&

$$
306 
WWAK61 PAFC 292353
RFWAER

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
353 PM AKDT FRI APR 29 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS 
 EVENING FOR STRONG WIND IN THE MATANUSKA VALLEY...

AKZ111-300600-
/X.CON.PAFC.FW.W.0001.000000T0000Z-110430T0600Z/
MATANUSKA VALLEY-
353 PM AKDT FRI APR 29 2011

...RED FLAG WARNING FOR STRONG WIND REMAINS IN EFFECT UNTIL 
10 PM AKDT THIS EVENING...

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

SOUTHEAST WINDS OF 15 TO 30 MPH OVER THE MATANUSKA VALLEY WILL
CONTINUE THIS EVENING...AHEAD OF A WEAKENING FRONT MOVING NORTH
FROM THE GULF OF ALASKA. THE STRONGEST WINDS WILL CONTINUE TO BE
ALONG THE KNIK RIVER VALLEY AND INTO PALMER WITH WEAKER WINDS 
HEADING WESTWARD FROM PALMER. RELATIVE HUMIDITIES INTO THE EVENING
HOURS WILL REMAIN IN THE 25 TO 35 PERCENT RANGE WITH DRIEST
CONDITIONS IN THE SAME AREA AS THE STRONGEST WINDS. RELATIVE
HUMIDITIES ARE EXPECTED TO RECOVER TO BACK ABOVE 40 PERCENT BY
LATE EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE IMMINENT OR OCCURRING NOW...OR WILL SHORTLY. IT IS DIRECTED
TOWARD FIRE AGENCIES...AND THROUGH THEM TO THE PUBLIC.

&&

$$
954 
WWAK61 PAFC 300525
RFWAER

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE ANCHORAGE AK
925 PM AKDT FRI APR 29 2011

...RED FLAG WARNING IS CANCELED FOR THE MATANUSKA VALLEY...


AKZ111-300630-
/X.CAN.PAFC.FW.W.0001.000000T0000Z-110430T0600Z/
MATANUSKA VALLEY-
925 PM AKDT FRI APR 29 2011

...RED FLAG WARNING IS CANCELED...

THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS CANCELED THE RED
FLAG WARNING. 

ALTHOUGH SOUTHEAST WINDS OF 15 TO 30 MPH PERSIST IN THE MATANUSKA
VALLEY...HUMIDITY LEVELS ARE RISING INTO THE MID 40S AS OF 9 PM.
THE HUMIDITIES ARE EXPECTED TO CLIMB OVERNIGHT AS SOME SHOWERS
WILL PASS OVER THE AREA.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 4:00 PM AKDTSmall Craft AdvisoryAFC24 hr
Apr 28, 4:00 AM AKDTSmall Craft AdvisoryAFC3 days
Apr 28, 4:00 AM AKDTSmall Craft AdvisoryAFC60 hr

Nearby

Red Flag Warnings in Alaska, 2011Every red flag warning in 2011

Sources

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