Alert archive / Alaska / Red Flag Warnings in 2013
Red Flag Warning 1, NWS Anchorage, AK
NWS Anchorage, AK issued this red flag warning at May 25, 2013, 6:46 AM AKDT. It took effect at May 25, 2013, 1:00 PM AKDT. It was in force for 9 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, 2013, 6:46 AM AKDT (14:46 UTC)
- In effect from
- May 25, 2013, 1:00 PM AKDT
- Expired
- May 25, 2013, 10:00 PM AKDT
- In force
- 9 hr
- Issued by
- NWS Anchorage, AK
The text
As transmitted, in the capitals the NWS used until 2016.
179 WWAK61 PAFC 251446 RFWAER URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE ANCHORAGE AK 646 AM AKDT SAT MAY 25 2013 AKZ141-260300- /X.NEW.PAFC.FW.W.0001.130525T2100Z-130526T0600Z/ COPPER RIVER BASIN- 646 AM AKDT SAT MAY 25 2013 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM AKDT THIS EVENING FOR LOW HUMIDITY ACROSS THE COPPER RIVER BASIN... THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM AKDT THIS EVENING. * LOCATION...THE COPPER RIVER BASIN. * RELATIVE HUMIDITY...15 TO 20 PERCENT. * 20 FT WINDS...VARIABLE 5 TO 15 MPH. * TEMPERATURES...UPPER 60S TO MID 70S. * TIMING...RELATIVE HUMIDITY WILL BE AT A MINIMUM FROM MID AFTERNOON THROUGH THE EARLY EVENING HOURS BEFORE RECOVERING TO 30 PERCENT OR GREATER BY MID TO 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. && $$
3 follow-up statements
362 WWAK61 PAFC 252353 RFWAER URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE ANCHORAGE AK 353 PM AKDT SAT MAY 25 2013 AKZ141-260600- /X.CON.PAFC.FW.W.0001.000000T0000Z-130526T0600Z/ COPPER RIVER BASIN- 353 PM AKDT SAT MAY 25 2013 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS EVENING FOR LOW HUMIDITY ACROSS THE COPPER RIVER BASIN... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM AKDT THIS EVENING. * LOCATION...THE COPPER RIVER BASIN. * RELATIVE HUMIDITY...AS LOW AS 15 PERCENT. * 20 FT WINDS...SOUTHEAST UP TO 5 TO 15 MPH. * TEMPERATURES...IN THE UPPER 60S TO LOW 70S. * TIMING...RELATIVE HUMIDITY WILL BE AT A MINIMUM FROM MID AFTERNOON THROUGH THE EARLY EVENING HOURS BEFORE RECOVERING TO 30 PERCENT OR GREATER BY MID TO LATE EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE IMMINENT OR OCCURRING NOW...OR WILL SHORTLY. IT IS DIRECTED TOWARD FIRE AGENCIES...AND THROUGH THEM TO THE PUBLIC. && $$
101 WWAK61 PAFC 260433 RFWAER URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE ANCHORAGE AK 833 PM AKDT SAT MAY 25 2013 ...RED FLAG CONDITIONS OCCURRING NOW AND EXPECTED TO RESUME LATE SUNDAY AFTERNOON THROUGH SUNDAY EVENING OUT OF THE KNIK RIVER VALLEY IN THE MATANUSKA VALLEY... .STRONG WINDS AND VERY DRY CONDITIONS HAVE ALLOWED FOR DANGEROUS FIRE WEATHER CONDITIONS TO DEVELOP THIS EVENING...AND WILL PERSIST UNTIL THE KNIK RIVER VALLEY WIND ABATES LATER THIS EVENING. AN UPPER LEVEL SYSTEM MOVING ACROSS THE REGION FROM THE EAST WILL ALLOW FOR RELATIVE HUMIDITIES TO RECOVER MODESTLY FROM SATURDAY'S LOW READINGS. HOWEVER...AS AN UPPER LEVEL LOW PASSES BY THE AREA THE KNIK RIVER VALLEY WINDS ARE EXPECTED TO INCREASE ONCE AGAIN BY LATE SUNDAY AFTERNOON AND PERSIST THROUGH LATE SUNDAY EVENING. THOUGH THERE IS DEGREE OF UNCERTAINTY WITH THE FORECASTED CLOUD COVER...IT IS LIKELY THAT FREQUENT GUSTS TO 25 MPH AND RELATIVE HUMIDITIES IN THE UPPER 20S WILL OCCUR ALONG THE KNIK RIVER VALLEY. AKZ141-260545- /X.CAN.PAFC.FW.W.0001.000000T0000Z-130526T0600Z/ COPPER RIVER BASIN- 833 PM AKDT SAT MAY 25 2013 ...RED FLAG WARNING IS CANCELED FOR STRONG WIND ACROSS THE COPPER RIVER BASIN... THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS CANCELED THE RED FLAG WARNING. RELATIVE HUMIDITIES HAVE RECOVERED ABOVE 15 TO 20 PERCENT. $$ AKZ111-262045- /X.NEW.PAFC.FW.W.0002.130526T0433Z-130526T0700Z/ /X.NEW.PAFC.FW.W.0003.130526T2300Z-130527T0700Z/ MATANUSKA VALLEY- 833 PM AKDT SAT MAY 25 2013 ...RED FLAG WARNING IN EFFECT UNTIL 11 PM AKDT THIS EVENING FOR STRONG WIND OUT OF THE KNIK RIVER VALLEY... ...RED FLAG WARNING IN EFFECT FROM 3 PM TO 11 PM AKDT SUNDAY FOR STRONG WIND OUT OF THE KNIK RIVER VALLEY... THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 11 PM AKDT THIS EVENING. A RED FLAG WARNING HAS ALSO BEEN ISSUED FROM 3 PM TO 11 PM AKDT SUNDAY. * LOCATION...OUT OF THE KNIK RIVER VALLEY. * 20 FT WINDS...SOUTHEAST WIND 15 MPH WITH GUSTS TO 25 MPH. * RELATIVE HUMIDITY...25 TO 35 PERCENT. * TIMING...THROUGH LATE THIS EVENING UNTIL THE KNIK VALLEY WIND SUBSIDES. A DISTURBANCE MOVING ACROSS THE REGION MID TO LATE AFTERNOON WILL ALLOW FOR SOUTHEAST WINDS TO INCREASE OUT OF THE KNIK RIVER VALLEY AND THEN SUBSIDE TOWARD LATE SUNDAY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE IMMINENT OR OCCURRING NOW...OR WILL SHORTLY. IT IS DIRECTED TOWARD FIRE AGENCIES...AND THROUGH THEM TO THE PUBLIC. && $$
872 WWAK61 PAFC 260438 CCA RFWAER URGENT - FIRE WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE ANCHORAGE AK 837 PM AKDT SAT MAY 25 2013 ...RED FLAG CONDITIONS OCCURRING NOW AND EXPECTED TO RESUME LATE SUNDAY AFTERNOON THROUGH SUNDAY EVENING OUT OF THE KNIK RIVER VALLEY IN THE MATANUSKA VALLEY... .STRONG WINDS AND VERY DRY CONDITIONS HAVE ALLOWED FOR DANGEROUS FIRE WEATHER CONDITIONS TO DEVELOP THIS EVENING...AND WILL PERSIST UNTIL THE KNIK RIVER VALLEY WIND ABATES LATER THIS EVENING. AN UPPER LEVEL SYSTEM MOVING ACROSS THE REGION FROM THE EAST WILL ALLOW FOR RELATIVE HUMIDITIES TO RECOVER MODESTLY FROM SATURDAY'S LOW READINGS. HOWEVER...AS AN UPPER LEVEL LOW PASSES BY THE AREA THE KNIK RIVER VALLEY WINDS ARE EXPECTED TO INCREASE ONCE AGAIN BY LATE SUNDAY AFTERNOON AND PERSIST THROUGH LATE SUNDAY EVENING. THOUGH THERE IS DEGREE OF UNCERTAINTY WITH THE FORECASTED CLOUD COVER...IT IS LIKELY THAT FREQUENT GUSTS TO 25 MPH AND RELATIVE HUMIDITIES IN THE UPPER 20S WILL OCCUR ALONG THE KNIK RIVER VALLEY. AKZ141-260545- /X.COR.PAFC.FW.W.0001.000000T0000Z-130526T0600Z/ COPPER RIVER BASIN- 837 PM AKDT SAT MAY 25 2013 ...RED FLAG WARNING IS CANCELED FOR LOW RELATIVE HUMIDITY ACROSS THE COPPER RIVER BASIN... THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS CANCELED THE RED FLAG WARNING. RELATIVE HUMIDITIES HAVE RECOVERED ABOVE 15 TO 20 PERCENT. $$ AKZ111-262100- /X.NEW.PAFC.FW.W.0002.130526T0437Z-130526T0700Z/ /X.NEW.PAFC.FW.W.0003.130526T2300Z-130527T0700Z/ MATANUSKA VALLEY- 837 PM AKDT SAT MAY 25 2013 ...RED FLAG WARNING IN EFFECT UNTIL 11 PM AKDT THIS EVENING FOR STRONG WIND OUT OF THE KNIK RIVER VALLEY... ...RED FLAG WARNING IN EFFECT FROM 3 PM TO 11 PM AKDT SUNDAY FOR STRONG WIND OUT OF THE KNIK RIVER VALLEY... THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 11 PM AKDT THIS EVENING. A RED FLAG WARNING HAS ALSO BEEN ISSUED FROM 3 PM TO 11 PM AKDT SUNDAY. * LOCATION...OUT OF THE KNIK RIVER VALLEY. * 20 FT WINDS...SOUTHEAST WIND 15 MPH WITH GUSTS TO 25 MPH. * RELATIVE HUMIDITY...25 TO 35 PERCENT. * TIMING...THROUGH LATE THIS EVENING UNTIL THE KNIK VALLEY WIND SUBSIDES. A DISTURBANCE MOVING ACROSS THE REGION MID TO LATE AFTERNOON WILL ALLOW FOR SOUTHEAST WINDS TO INCREASE OUT OF THE KNIK RIVER VALLEY AND THEN SUBSIDE TOWARD LATE SUNDAY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE IMMINENT OR OCCURRING NOW...OR WILL SHORTLY. IT IS DIRECTED TOWARD FIRE AGENCIES...AND THROUGH THEM TO THE PUBLIC. && $$
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 Anchorage, AK wrote its last area forecast discussion before this red flag warning went out at May 25, 5:00 AM AKDT, 1 hour 46 minutes earlier.
Area forecast discussion, May 25, 5:00 AM AKDT, 1 hour 46 minutes before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ANCHORAGE AK 500 AM AKDT SAT MAY 25 2013 .ANALYSIS AND UPPER LEVELS... BROAD UPPER LEVEL TROUGH OVER THE BERING THIS MORNING WITH AN EMBEDDED LOW OVER THE EASTERN ALEUTIANS. ANOTHER CLOSED OFF LOW IS OVER THE SOUTHERN GULF OF AK. SHARP UPPER RIDGES ARE CENTERED OVER KAMCHATKA AND THE ALCAN. THE JET IS FOLLOWING A NEAR ZONAL GREAT CIRCLE ROUTE WELL SOUTH OF ALASKA. AT THE SURFACE...A LARGE LOW PRESSURE CENTER IS JUST SOUTH OF THE EASTERN ALEUTIANS. SURFACE HIGH PRESSURE IS OVER THE EXTREME WESTERN BERING....AND MOST OF MAINLAND AK. .MODEL DISCUSSION... MODELS ARE IN AGREEMENT THAT THE LOW SOUTH OF THE ALEUTIANS WILL MOVE OVER DUTCH HARBOR AND THEN RETROGRADE PAST THE PRIBILOFS WHERE IT WILL LINGER INTO THE MIDDLE OF NEXT WEEK. BUT BEFORE THIS HAPPENS...WHEN THE LOW IS NEAR DUTCH HARBOR...IT WILL SPIN OFF AN INITIAL TRIPLE POINT LOW THIS EVENING THAT REMAINS SOUTH OF THE AKPEN AND MOVES DIRECTLY EAST. THIS WILL THEN CONSOLIDATE INTO THE MAIN TRIPLE POINT LOW SOUTH OF KODIAK ISLAND ON SUNDAY. AN EASTERLY WAVE WILL MOVE ALONG THE NORTHEASTERN FLANK OF THE TRIPLE POINT AND BRING PRECIPITATION ON SUNDAY TO THE NORTH GULF COAST...AND AREAS JUST ACROSS THE CHUGACH RANGE. THE THERMAL TROUGH WILL REMAIN IN THE VICINITY OF THE ALASKA RANGE DURING THIS PERIOD...SO SOME CONVECTION MAY DEVELOP THERE ON SUNDAY. HIGH PRESSURE WILL THEN BUILD OVER THE NORTHERN GULF MON INTO TUE. THE FORECAST UTILIZES THE GFS AND GEM IN THE SHORT TERM AND TRANSITIONS TO WPC GUIDANCE IN THE EXTENDED. .SHORT TERM FORECAST... IN THE WEST...SMALL CRAFT AND GALE FORCE WINDS WILL ACCOMPANY THE LOW OVER THE EASTERN ALEUTIANS. AS THE PARENT LOW RETROGRADES PAST THE PRIBILOFS...RAIN OR SHOWERS WILL PERSIST THROUGH THE BEGINNING OF THE WEEK. FOR SOUTHWEST AK...AS THE LOW MOVES INTO THE BERING RAIN WILL AFFECT COASTAL AREAS THROUGH SUN. THE REMNANTS OF THE EASTERLY WAVE WILL THEN BRING MORE SHOWERS ACROSS THE AK AND ALEUTIAN RANGES INTO EARLY NEXT WEEK. SOUTHEAST OF THE AK RANGE WILL BE DRY EXCEPT FOR SUN INTO MON WHEN THE EASTERLY WAVE BRINGS RAIN TO THE COAST. SOME SHOWERS WILL ALSO CROSS THE CHUGACH AND KENAI RANGES INTO SUN NIGHT. WARM AND DRY CONDITIONS THEN RETURN FOR THE EARLY PART OF NEXT WEEK. .LONG TERM FORECAST... THE WEST WILL BE DRY..BUT SW AK WILL HAVE SHOWERS BY MID WEEK AS THE THERMAL TROUGH DROPS SOUTH INTO THE AREA. THESE WILL ALSO AFFECT SOUTHCENTRAL. .AER/ALU...WATCH/WARNING SUMMARY PUBLIC...NONE MARINE...GALES 150 155 FIRE WEATHER...RED FLAG 141 WILL BE ISSUED LATER THIS MORNING DS MAY 13
The office that day
Everything else NWS Anchorage, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 4:00 PM AKDT | Gale Warning | AFC | 36 hr | |
| May 24, 4:00 PM AKDT | Gale Warning | AFC | 60 hr | |
| May 24, 4:00 PM AKDT | Small Craft Advisory | AFC | 36 hr | |
| May 24, 4:00 PM AKDT | Small Craft Advisory | AFC | 48 hr | |
| May 25, 10:00 AM AKDT | Flood Watch | AFC | 49 hr |
Nearby
Red Flag Warnings in Alaska, 2013Every red flag warning in 2013
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.