Alert archive / Alaska / Red Flag Warnings in 2007

Red Flag Warning 27, NWS Fairbanks, AK

June 29, 2007

NWS Fairbanks, AK issued this red flag warning at Jun 29, 2007, 7:47 AM AKDT. It took effect at Jun 29, 2007, 12:47 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
Jun 29, 2007, 7:47 AM AKDT (15:47 UTC)
In effect from
Jun 29, 2007, 12:47 PM AKDT
Expired
Jun 29, 2007, 9:09 PM AKDT
In force
8 hr
Issued by
NWS Fairbanks, AK

The text

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

000 
WWAK63 PAFG 292047
RFWAFG

RED FLAG WARNING
NATIONAL WEATHER SERVICE FAIRBANKS AK
1247 PM ADT FRI JUN 29 2007

...RED FLAG WARNING IN EFFECT UNTIL 10 PM ADT THIS EVENING FOR
STRONG WIND FOR A PORTION OF THE NORTHERN INTERIOR...

AKZ220-300600-
/X.NEW.PAFG.FW.W.0027.070629T2047Z-070630T0600Z/
YUKON FLATS AND SURROUNDING UPLANDS-
1247 PM ADT FRI JUN 29 2007

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

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 10 PM ADT THIS EVENING. 

DISCUSSION...AS SURFACE HEATING CONTINUES TODAY THE THERMAL GRADIENT 
WILL SLIGHTLY INCREASE. THIS WILL INCREASE WINDS AND CREATE GUSTS 
TO 20 TO 30 MPH THIS AFTERNOON. RH VALUES ARE CURRENTLY BELOW 30 PERCENT IN 
MOST AREAS IN THIS PARTICULAR ZONE. RH VALUES WILL RECOVER SOMEWHAT 
LATER TONIGHT ABOVE.

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.

$$
1 follow-up statement
000 
WWAK63 PAFG 300509
RFWAFG

RED FLAG WARNING
NATIONAL WEATHER SERVICE FAIRBANKS AK
909 PM ADT FRI JUN 29 2007

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

AKZ220-300615-
/X.CAN.PAFG.FW.W.0027.000000T0000Z-070630T0600Z/
YUKON FLATS AND SURROUNDING UPLANDS-
909 PM ADT FRI JUN 29 2007

...RED FLAG WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN FAIRBANKS HAS CANCELLED THE RED
FLAG WARNING. 

$$
RT JUN 07

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 Jun 28, 9:51 PM AKDT, 9 hours 56 minutes earlier.

Area forecast discussion, Jun 28, 9:51 PM AKDT, 9 hours 56 minutes before
NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
251 AM ADT FRI JUN 29 2007

.DISCUSSION...

GOES IR LOOP IS SHOWING THE UPPER LEVEL HIGH IS CURRENTLY
CENTERED OVER THE UPPER YUKON VALLEY. THIS HIGH PRESSURE
SUPPRESSED CONVECTION OVER THE EASTERN INTERIOR THURSDAY...WITH
ONLY A SMALL NUMBER OF STRIKES OCCURRING IN THE CENTRAL INTERIOR
ALONG THE NORTH-SOUTH BOUNDARY BETWEEN THE DRY AIR UNDER THE HIGH
AND MOIST AIR FARTHER TO THE WEST.

FOR TODAY THROUGH SUNDAY...THE NAM40 SURFACE CAPES AND LIFTED
INDEXES ARE RUNNING MUCH HIGHER THAN THE GFS40. THIS MAY
LIKELY TO BE THE HIGHER SURFACE DEW POINTS AND LOW LEVEL
MOISTURE ON THE NAM40. THE NAM40 MOS IS ALSO INDICATING
HIGHER SURFACE DEW POINTS IN THE CENTRAL AND SOUTHERN INTERIOR
THAN THE GFS...BUT THE GFS IS TRENDING TO HIGHER DEW POINTS
THROUGH THE WEEKEND.

MODELS RUNS ARE CHANGING THE PATTERN ALOFT FROM A CLOSED
HIGH TO A RIDGE...WITH THE RIDGE AXIS DRIFTING NORTHWARD
A BIT THROUGH THE WEEKEND. THE FLOW ALOFT OVER THE INTERIOR
WILL BECOME MORE EASTERLY...ALLOWING MOISTURE FROM
NORTHWEST CANADA TO GRADUALLY INFILTRATE WESTWARD. THIS
MOISTURE IS SHOWING UP WELL ON THE GOES IR AND WATER
VAPOR LOOPS. A WEAK LOW ALOFT IS PROGGED TO MOVE WESTWARD
INTO THE SOUTHEAST INTERIOR SATURDAY AFTERNOON ...
LIKELY ENHANCING CONVECTION IN THAT AREA.

AT THE SURFACE...A BROAD THERMAL TROUGH WITH THE AXIS
EXTENDING FROM THE NORTHWAY AREA TO NEAR TANANA AND NORTHWESTWARD
INTO ZONE 208 WILL PERSIST THROUGH THE WEEKEND...STRENGTHENING
A LITTLE OVER THE WEEKEND.

THE INCREASE IN MOISTURE AND THE SLIGHT NORTHWARD SHIFT OF
THE UPPER RIDGE AXIS SHOULD RESULT IN AN INCREASE IN THUNDERSTORM
ACTIVITY OVER MUCH OF THE INTERIOR AND BROOKS RANGE OVER
THE WEEKEND...WITH THE MOST ACTIVITY BEING ALONG AND NEAR THE
SURFACE TROUGH.

OVER THE WESTERN INTERIOR AND MUCH OF THE WEST COAST...
SCATTERED SHOWERS ARE EXPECTED THROUGH THIS EVENING
IN A BROAD NORTH-SOUTH BAND OF MOISTURE. THE TAIL OF A VORT
CENTER LIES OVER MARINE ZONE 210...IT MAY MOVE A BIT MORE EAST
BEFORE STALLING OUT AND DIMINISHING IN INTENSITY.

HIGH PRESSURE WILL PERSIST OVER THE ARCTIC OCEAN.
EAST WINDS 15-25 MPH...AND LOW CLOUDS AND PERIODS OF
FOG WILL CONTINUE ALONG THE ARCTIC COAST.

COASTAL HAZARD POTENTIAL DAYS 3 AND 4...NONE

&&

.FIRE WEATHER...
THUNDERSTORM ACTIVITY IS EXPECTED TO INCREASE OVER
THE WEEKEND...MEANING A SUBSTANTIAL INCREASE IN THE
NUMBER OF LIGHTNING STRIKES.

&&

.HYDROLOGY...
BOTH GFS AND NAM ARE SHOWING AN INCREASE IN PRECIPITABLE
WATER...TO AN INCH OR MORE...OVER THE CENTRAL AND SOUTHERN
INTERIOR OVER THE WEEKEND. THIS MEANS AN INCREASED POTENTIAL
FOR LOCALLY HEAVY RAINFALL AMOUNTS IN THUNDERSTORMS.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
SMALL CRAFT ADVISORY FOR PKZ230-PKZ235.

BRISK WIND ADVISORY FOR PKZ235-PKZ240-PKZ245.
&&

RF JUN 07

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 8:59 AM AKDTBrisk Wind AdvisoryAFG24 hr
Jun 29, 8:59 AM AKDTSmall Craft AdvisoryAFG13 hr

Nearby

Red Flag Warnings in Alaska, 2007Every red flag warning in 2007

Sources

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