Alert archive / South Dakota / Red Flag Warnings in 2012
Red Flag Warning 5, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this red flag warning at Mar 26, 2012, 11:56 AM CDT. It took effect at Mar 27, 2012, 11:00 AM CDT. 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
- Mar 26, 2012, 11:56 AM CDT (16:56 UTC)
- In effect from
- Mar 27, 2012, 11:00 AM CDT
- Expired
- Mar 27, 2012, 7:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Sioux Falls, SD
The text
As transmitted, in the capitals the NWS used until 2016.
112 WWUS83 KFSD 261656 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1156 AM CDT MON MAR 26 2012 .VERY STRONG WEST WINDS OF 30 TO 45 MPH WILL DEVELOP LATE TUESDAY MORNING AND CONTINUE THROUGH THE DAY. DRIER AIR FROM ALOFT WILL MIX DOWN TO THE SURFACE DURING THE DAY...ALLOWING RELATIVE HUMIDITIES TO FALL TO 20 TO 30 PERCENT. THE COMBINATION OF THE WIND AND LOW RELATIVE HUMIDITY WILL CREATE A VERY DANGEROUS FIRE WEATHER SCENARIO. IAZ300-NEZ249-SDZ255>258-270100- /O.NEW.KFSD.FW.W.0005.120327T1600Z-120328T0300Z/ NORTHERN LOESS HILLS AND FLOYD RIVER BASIN- EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY- MIDDLE JAMES RIVER VALLEY-MIDDLE BIG SIOUX RIVER VALLEY- LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY- 1156 AM CDT MON MAR 26 2012 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 10 PM CDT TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 249...255... 256...257...258 AND 300... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 11 AM TO 10 PM CDT TUESDAY. * AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 300. IN NEBRASKA... FIRE WEATHER ZONE 249. IN SOUTH DAKOTA...FIRE WEATHER ZONES 255... 256...257 AND 258. * WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 20 PERCENT. * IMPACTS...ANY FIRES THAT START WILL SPREAD RAPIDLY DUE TO THE DANGEROUS WINDY AND LOW HUMIDITY CONDITIONS...COUPLED WITH DORMANT VEGETATION. FIRES COULD EXHIBIT EXTREME CHARACTERISTICS...INCLUDING LONG RANGE SPOTTING POTENTIAL AND RAPID MOVEMENT. WITH WIND SPEEDS OF THIS MAGNITUDE FORECAST... FIGHTING FIRES ON THE FLANKS IN THESE SITUATIONS IS ADVISED... AVOIDING THE HEAD OF THE FIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR IN THE NEAR FUTURE. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ IAZ301-MNZ900-270100- /O.NEW.KFSD.FW.A.0007.120327T1600Z-120328T0300Z/ IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-SOUTHWEST MINNESOTA- 1156 AM CDT MON MAR 26 2012 ...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301 AND 900... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A FIRE WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING. * AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 301. IN MINNESOTA... FIRE WEATHER ZONE 900. * WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 50 MPH. * RELATIVE HUMIDITY...AS LOW AS 24 PERCENT. * IMPACTS...ANY FIRES THAT START WILL SPREAD RAPIDLY DUE TO THE DANGEROUS WINDY AND LOW HUMIDITY CONDITIONS...COUPLED WITH DORMANT VEGETATION. FIRES COULD EXHIBIT EXTREME CHARACTERISTICS...INCLUDING LONG RANGE SPOTTING POTENTIAL AND RAPID MOVEMENT. WITH WIND SPEEDS OF THIS MAGNITUDE FORECAST... FIGHTING FIRES ON THE FLANKS IN THESE SITUATIONS IS ADVISED... AVOIDING THE HEAD OF THE FIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS MAY OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$
6 follow-up statements
253 WWUS83 KFSD 262053 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 353 PM CDT MON MAR 26 2012 .VERY STRONG WEST WINDS OF 30 TO 45 MPH WILL DEVELOP LATE TUESDAY MORNING AND CONTINUE THROUGH THE DAY. DRIER AIR FROM ALOFT WILL MIX DOWN TO THE SURFACE DURING THE DAY...ALLOWING RELATIVE HUMIDITIES TO FALL TO 20 TO 30 PERCENT. THE COMBINATION OF THE WIND AND LOW RELATIVE HUMIDITY WILL CREATE A VERY DANGEROUS FIRE WEATHER SCENARIO. IAZ300-NEZ249-SDZ255>258-270500- /O.CON.KFSD.FW.W.0005.120327T1600Z-120328T0300Z/ NORTHERN LOESS HILLS AND FLOYD RIVER BASIN- EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY- MIDDLE JAMES RIVER VALLEY-MIDDLE BIG SIOUX RIVER VALLEY- LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY- 353 PM CDT MON MAR 26 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 10 PM CDT TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 249...255...256...257...258 AND 300... * AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 300. IN NEBRASKA...FIRE WEATHER ZONE 249. IN SOUTH DAKOTA...FIRE WEATHER ZONES 255... 256...257 AND 258. * WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 20 PERCENT. * IMPACTS...ANY FIRES THAT START WILL SPREAD RAPIDLY DUE TO THE DANGEROUS WINDY AND LOW HUMIDITY CONDITIONS...COUPLED WITH DORMANT OR DRY VEGETATION. FIRES WILL EXHIBIT EXTREME CHARACTERISTICS...INCLUDING LONG RANGE SPOTTING POTENTIAL AND RAPID MOVEMENT. WITH WIND SPEEDS OF THIS MAGNITUDE FORECAST... FIGHTING FIRES ON THE FLANKS IN THESE SITUATIONS IS ADVISED... AVOIDING THE HEAD OF THE FIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR IN THE NEAR FUTURE. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ IAZ301-MNZ900-270500- /O.CON.KFSD.FW.A.0007.120327T1600Z-120328T0300Z/ IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-SOUTHWEST MINNESOTA- 353 PM CDT MON MAR 26 2012 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301 AND 900... * AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 301. IN MINNESOTA... FIRE WEATHER ZONE 900. * WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 50 MPH. * RELATIVE HUMIDITY...AS LOW AS 25 PERCENT. * IMPACTS...ANY FIRES THAT START WILL SPREAD RAPIDLY DUE TO THE DANGEROUS WINDY AND LOW HUMIDITY CONDITIONS...COUPLED WITH DORMANT VEGETATION. FIRES COULD EXHIBIT EXTREME CHARACTERISTICS...INCLUDING LONG RANGE SPOTTING POTENTIAL AND RAPID MOVEMENT. WITH WIND SPEEDS OF THIS MAGNITUDE FORECAST... FIGHTING FIRES ON THE FLANKS IN THESE SITUATIONS IS ADVISED... AVOIDING THE HEAD OF THE FIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS MAY OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$
948 WWUS83 KFSD 270257 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 957 PM CDT MON MAR 26 2012 .VERY STRONG WEST WINDS OF 30 TO 45 MPH WILL DEVELOP LATE TUESDAY MORNING AND CONTINUE THROUGH THE DAY. DRIER AIR FROM ALOFT WILL MIX DOWN TO THE SURFACE DURING THE DAY...ALLOWING RELATIVE HUMIDITIES TO FALL TO 20 TO 30 PERCENT. THE COMBINATION OF THE WIND AND LOW RELATIVE HUMIDITY WILL CREATE A VERY DANGEROUS FIRE WEATHER SCENARIO. IAZ300-NEZ249-SDZ255>258-271100- /O.CON.KFSD.FW.W.0005.120327T1600Z-120328T0300Z/ NORTHERN LOESS HILLS AND FLOYD RIVER BASIN- EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY- MIDDLE JAMES RIVER VALLEY-MIDDLE BIG SIOUX RIVER VALLEY- LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY- 957 PM CDT MON MAR 26 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 10 PM CDT TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 249...255...256...257...258 AND 300... * AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 300. IN NEBRASKA...FIRE WEATHER ZONE 249. IN SOUTH DAKOTA...FIRE WEATHER ZONES 255... 256...257 AND 258. * WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 20 PERCENT. * IMPACTS...ANY FIRES THAT START WILL SPREAD RAPIDLY DUE TO THE DANGEROUS WINDY AND LOW HUMIDITY CONDITIONS...COUPLED WITH DORMANT OR DRY VEGETATION. FIRES WILL EXHIBIT EXTREME CHARACTERISTICS...INCLUDING LONG RANGE SPOTTING POTENTIAL AND RAPID MOVEMENT. WITH WIND SPEEDS OF THIS MAGNITUDE FORECAST... FIGHTING FIRES ON THE FLANKS IN THESE SITUATIONS IS ADVISED... AVOIDING THE HEAD OF THE FIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR IN THE NEAR FUTURE. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ IAZ301-MNZ900-271100- /O.CON.KFSD.FW.A.0007.120327T1600Z-120328T0300Z/ IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-SOUTHWEST MINNESOTA- 957 PM CDT MON MAR 26 2012 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301 AND 900... * AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 301. IN MINNESOTA...FIRE WEATHER ZONE 900. * WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 25 PERCENT. * IMPACTS...ANY FIRES THAT START WILL SPREAD RAPIDLY DUE TO THE DANGEROUS WINDY AND LOW HUMIDITY CONDITIONS...COUPLED WITH DORMANT VEGETATION. FIRES COULD EXHIBIT EXTREME CHARACTERISTICS...INCLUDING LONG RANGE SPOTTING POTENTIAL AND RAPID MOVEMENT. WITH WIND SPEEDS OF THIS MAGNITUDE FORECAST... FIGHTING FIRES ON THE FLANKS IN THESE SITUATIONS IS ADVISED... AVOIDING THE HEAD OF THE FIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS MAY OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$
663 WWUS83 KFSD 270831 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 331 AM CDT TUE MAR 27 2012 .VERY STRONG WEST WINDS OF 30 TO 45 MPH WILL DEVELOP LATE TUESDAY MORNING AND CONTINUE THROUGH THE DAY. DRIER AIR FROM ALOFT WILL MIX DOWN TO THE SURFACE DURING THE DAY...ALLOWING RELATIVE HUMIDITIES TO FALL TO 20 TO 30 PERCENT. THE COMBINATION OF THE WIND AND LOW RELATIVE HUMIDITY WILL CREATE A VERY DANGEROUS FIRE WEATHER SCENARIO. IAZ301-MNZ900-270945- /O.CAN.KFSD.FW.A.0007.120327T1600Z-120328T0300Z/ IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-SOUTHWEST MINNESOTA- 331 AM CDT TUE MAR 27 2012 ...FIRE WEATHER WATCH IS CANCELLED FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301 AND 900... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE FIRE WEATHER WATCH. WHILE STRONG WESTERLY WINDS OF 30 TO 45 MPH ARE EXPECTED ACROSS THE AREA...RELATIVE HUMIDITIES ARE EXPECTED TO ONLY FALL TO AROUND 30 PERCENT PRECLUDING RED FLAG WARNING CONDITIONS. $$ IAZ300-NEZ249-SDZ255>258-271645- /O.CON.KFSD.FW.W.0005.120327T1600Z-120328T0300Z/ NORTHERN LOESS HILLS AND FLOYD RIVER BASIN- EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY- MIDDLE JAMES RIVER VALLEY-MIDDLE BIG SIOUX RIVER VALLEY- LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY- 331 AM CDT TUE MAR 27 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 10 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 249...255...256...257...258 AND 300... * AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 300. IN NEBRASKA... FIRE WEATHER ZONE 249. IN SOUTH DAKOTA...FIRE WEATHER ZONES 255... 256...257 AND 258. * WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 20 PERCENT. * IMPACTS...ANY FIRES THAT START WILL SPREAD RAPIDLY DUE TO THE DANGEROUS WINDY AND LOW HUMIDITY CONDITIONS...COUPLED WITH DORMANT OR DRY VEGETATION. FIRES WILL EXHIBIT EXTREME CHARACTERISTICS...INCLUDING LONG RANGE SPOTTING POTENTIAL AND RAPID MOVEMENT. WITH WIND SPEEDS OF THIS MAGNITUDE FORECAST... FIGHTING FIRES ON THE FLANKS IN THESE SITUATIONS IS ADVISED... AVOIDING THE HEAD OF THE FIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR IN THE NEAR FUTURE. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
729 WWUS83 KFSD 271607 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1107 AM CDT TUE MAR 27 2012 .VERY STRONG AND GUSTY WESTERLY WINDS OF 30 TO 45 MPH WILL CONTINUE THROUGH THE AFTERNOON AND EARLY EVENING HOURS. SOME SLIGHTLY HIGHER DEWPOINTS WRAPPING IN BEHIND EXITING LOW PRESSURE ARE NOW EXPECTED THIS AFTERNOON IN AREAS NORTH OF INTERSTATE 90... BUT EVEN THEN...THE DRIER AIR ALOFT WILL WORK TO DECREASE DEWPOINTS SOMEWHAT AGAIN DURING THE DAY...AND ALLOWING RELATIVE HUMIDITIES TO FALL TO 20 TO 30 PERCENT...LOWEST IN AREAS SOUTH OF INTERSTATE 90... AND LOWEST TOWARD THE MISSOURI RIVER. THE COMBINATION OF THE VERY STRONG WIND AND LOW RELATIVE HUMIDITY WILL CREATE A CRITIAL FIRE BEHAVIOR SCENARIO. IAZ300-NEZ249-SDZ255>258-280015- /O.CON.KFSD.FW.W.0005.000000T0000Z-120328T0300Z/ NORTHERN LOESS HILLS AND FLOYD RIVER BASIN- EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY- MIDDLE JAMES RIVER VALLEY-MIDDLE BIG SIOUX RIVER VALLEY- LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY- 1107 AM CDT TUE MAR 27 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 249...255...256...257...258 AND 300... * AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 300. IN NEBRASKA... FIRE WEATHER ZONE 249. IN SOUTH DAKOTA...FIRE WEATHER ZONES 255... 256...257 AND 258. * WINDS...WEST 25 TO 35 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 21 PERCENT. * IMPACTS...ANY FIRES THAT START WILL SPREAD RAPIDLY DUE TO THE DANGEROUS WINDY AND LOW HUMIDITY CONDITIONS...COUPLED WITH DORMANT OR DRY VEGETATION. FIRES WILL EXHIBIT EXTREME CHARACTERISTICS...INCLUDING LONG RANGE SPOTTING POTENTIAL AND RAPID MOVEMENT. WITH WIND SPEEDS OF THIS MAGNITUDE FORECAST... FIGHTING FIRES ON THE FLANKS IN THESE SITUATIONS IS ADVISED... AVOIDING THE HEAD OF THE FIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR IN THE NEAR FUTURE. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
998 WWUS83 KFSD 272011 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 311 PM CDT TUE MAR 27 2012 .VERY STRONG AND GUSTY WESTERLY WINDS OF 25 TO 40 MPH WILL CONTINUE THROUGH THE LATE AFTERNOON HOURS. SOME SLIGHTLY HIGHER DEWPOINTS WRAPPING IN BEHIND EXITING LOW PRESSURE HAVE ENDED THE CRITICAL FIRE DANGER THIS AFTERNOON IN AREAS NORTH OF INTERSTATE 90. THE WARMER AND DRIER AIR WILL CONTINUE TO AFFECT AREAS THROUGH THE MISSOURI RIVER VALLEY...WITH RELATIVE HUMIDITIES AS LOW AS 25 PERCENT. THE COMBINATION OF THE VERY STRONG WIND AND LOW RELATIVE HUMIDITY WILL CREATE A CRITICAL FIRE BEHAVIOR SCENARIO. SDZ256-257-272115- /O.CAN.KFSD.FW.W.0005.000000T0000Z-120328T0300Z/ MIDDLE JAMES RIVER VALLEY-MIDDLE BIG SIOUX RIVER VALLEY- 311 PM CDT TUE MAR 27 2012 ...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 256 AND 257... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE RED FLAG WARNING. SOMEWHAT HIGHER RELATIVE HUMIDITY LEVELS FROM 30 TO 40 PERCENT HAVE DIMINISHED THE FIRE WEATHER RISK. $$ IAZ300-NEZ249-SDZ255-258-280000- /O.EXT.KFSD.FW.W.0005.000000T0000Z-120328T0000Z/ NORTHERN LOESS HILLS AND FLOYD RIVER BASIN- EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY- LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY- 311 PM CDT TUE MAR 27 2012 ...RED FLAG WARNING NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 249...255... 258 AND 300... * AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 300. IN NEBRASKA... FIRE WEATHER ZONE 249. IN SOUTH DAKOTA...FIRE WEATHER ZONES 255 AND 258. * WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 25 PERCENT. * IMPACTS...ANY FIRES THAT START WILL SPREAD RAPIDLY DUE TO THE DANGEROUS WINDY AND LOW HUMIDITY CONDITIONS...COUPLED WITH DORMANT OR DRY VEGETATION. FIRES WILL EXHIBIT EXTREME CHARACTERISTICS...INCLUDING LONG RANGE SPOTTING POTENTIAL AND RAPID MOVEMENT. WITH WIND SPEEDS OF THIS MAGNITUDE FORECAST... FIGHTING FIRES ON THE FLANKS IN THESE SITUATIONS IS ADVISED... AVOIDING THE HEAD OF THE FIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR IN THE NEAR FUTURE. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
997 WWUS83 KFSD 280001 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 701 PM CDT TUE MAR 27 2012 IAZ300-NEZ249-SDZ255-258-280115- /O.EXP.KFSD.FW.W.0005.000000T0000Z-120328T0000Z/ NORTHERN LOESS HILLS AND FLOYD RIVER BASIN- EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY- LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY- 701 PM CDT TUE MAR 27 2012 ...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 249...255... 258 AND 300... WINDS WILL CONTINUE TO DECREASE THROUGH THE OVERNIGHT HOURS. THIS COMBINED WITH INCREASING HUMIDITY WILL DIMINISH THE FIRE WEATHER RISK. $$
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 26, 3:28 AM CDT | Wind Advisory | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 40 hr |
| Mar 26, 11:56 AM CDT | Fire Weather Watch | FSD | 16 hr |
Nearby
Red Flag Warnings in South Dakota, 2012Red Flag Warnings in Nebraska, 2012Red Flag Warnings in Iowa, 2012Every red flag warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.