Alert archive / South Dakota / Red Flag Warnings in 2012
Red Flag Warning 9, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this red flag warning at Apr 8, 2012, 3:07 AM CDT. It took effect at Apr 8, 2012, 1:00 PM CDT. It was in force for 7 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 8, 2012, 3:07 AM CDT (08:07 UTC)
- In effect from
- Apr 8, 2012, 1:00 PM CDT
- Expired
- Apr 8, 2012, 8:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS Sioux Falls, SD
The text
As transmitted, in the capitals the NWS used until 2016.
852 WWUS83 KFSD 080807 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 307 AM CDT SUN APR 8 2012 .GUSTY NORTHWEST WINDS OF 20 TO 25 MPH WILL DEVELOP AGAIN THIS AFTERNOON...WITH GUSTS UP TO 35 MPH ACROSS SOUTHWEST MINNESOTA. AS THE WINDS INCREASE ON SUNDAY...HUMIDITY LEVELS WILL DROP INTO THE 15 TO 20 PERCENT RANGE...RESULTING IN VERY DANGEROUS FIRE WEATHER CONDITIONS. IAZ301-MNZ900-SDZ256-257-081615- /O.UPG.KFSD.FW.A.0009.120408T1800Z-120409T0100Z/ /O.NEW.KFSD.FW.W.0009.120408T1800Z-120409T0100Z/ IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-SOUTHWEST MINNESOTA- MIDDLE JAMES RIVER VALLEY-MIDDLE BIG SIOUX RIVER VALLEY- 307 AM CDT SUN APR 8 2012 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 256...257...301 AND 900... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 301. IN MINNESOTA... FIRE WEATHER ZONE 900. IN SOUTH DAKOTA...FIRE WEATHER ZONES 256 AND 257. * WINDS...NORTHWEST 20 TO 25 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 17 PERCENT. * IMPACTS...TALL VEGETATION IS STILL DORMANT OR DEAD. THEREFORE FIRES WILL SPREAD RAPIDLY AND EXHIBIT CRITICAL FIRE BEHAVIOR...WITH LONG RANGE SPOTTING AND RAPID RATES OF SPREAD. IF FIGHTING FIRES...IT IS RECOMMENDED TO ATTACK THE FIRE FROM THE FLANKS AND AVOID 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. && $$
2 follow-up statements
016 WWUS83 KFSD 081432 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 932 AM CDT SUN APR 8 2012 .GUSTY NORTHWEST WINDS OF 15 TO 25 MPH WILL DEVELOP AGAIN THIS AFTERNOON...WITH GUSTS UP TO 30 MPH ACROSS SOUTHWEST MINNESOTA. AS THE WINDS INCREASE...HUMIDITY LEVELS WILL DROP INTO THE 20 TO 25 PERCENT RANGE...RESULTING IN VERY DANGEROUS FIRE WEATHER CONDITIONS. IAZ301-MNZ900-SDZ256-257-082245- /O.CON.KFSD.FW.W.0009.120408T1800Z-120409T0100Z/ IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-SOUTHWEST MINNESOTA- MIDDLE JAMES RIVER VALLEY-MIDDLE BIG SIOUX RIVER VALLEY- 932 AM CDT SUN APR 8 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 256...257...301 AND 900... * AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 301. IN MINNESOTA... FIRE WEATHER ZONE 900. IN SOUTH DAKOTA...FIRE WEATHER ZONES 256 AND 257. * WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 20 TO 25 PERCENT. * IMPACTS...TALL VEGETATION IS STILL DORMANT OR DEAD. THEREFORE FIRES WILL SPREAD RAPIDLY AND EXHIBIT CRITICAL FIRE BEHAVIOR... WITH LONG RANGE SPOTTING AND RAPID RATES OF SPREAD. IF FIGHTING FIRES...IT IS RECOMMENDED TO ATTACK THE FIRE FROM THE FLANKS AND AVOID THE HEAD OF THE FIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR IN THE NEAR FUTURE. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
543 WWUS83 KFSD 081859 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 159 PM CDT SUN APR 8 2012 .GUSTY NORTHWEST WINDS OF 15 TO 30 MPH WITH GUSTS TO 35 MPH WILL PERSIST THE REST OF THE AFTERNOON AND DEVELOP AGAIN MONDAY AFTERNOON. AS THE WINDS INCREASE...HUMIDITY LEVELS WILL DROP INTO THE 20 TO 25 PERCENT RANGE THIS AFTERNOON INTO EARLY EVENING AND AGAIN MONDAY AFTERNOON...RESULTING IN VERY DANGEROUS FIRE WEATHER CONDITIONS. IAZ301-MNZ900-090300- /O.NEW.KFSD.FW.A.0010.120409T1800Z-120410T0100Z/ /O.CON.KFSD.FW.W.0009.000000T0000Z-120409T0100Z/ IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-SOUTHWEST MINNESOTA- 159 PM CDT SUN APR 8 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 256... 257...301 AND 900... ...FIRE WEATHER WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY 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 MONDAY AFTERNOON THROUGH MONDAY EVENING. * AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 301. IN MINNESOTA... FIRE WEATHER ZONE 900. * WINDS...NORTHWEST WINDS 15 TO 30 MPH...WITH GUST TO 35 MPH...THIS AFTERNOON AND AGAIN MONDAY AFTERNOON. * RELATIVE HUMIDITY...20 TO 25 PERCENT BOTH THIS AFTERNOON AND MONDAY AFTERNOON. * IMPACTS...TALL VEGETATION IS STILL DORMANT OR DEAD. THEREFORE FIRES WILL SPREAD RAPIDLY AND EXHIBIT CRITICAL FIRE BEHAVIOR... WITH LONG RANGE SPOTTING AND RAPID RATES OF SPREAD. IF FIGHTING FIRES...IT IS RECOMMENDED TO ATTACK THE FIRE FROM THE FLANKS AND AVOID 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. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS MAY OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ SDZ256-257-090100- /O.CON.KFSD.FW.W.0009.000000T0000Z-120409T0100Z/ MIDDLE JAMES RIVER VALLEY-MIDDLE BIG SIOUX RIVER VALLEY- 159 PM CDT SUN APR 8 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 256... 257...301 AND 900... * AFFECTED AREA...IN SOUTH DAKOTA...FIRE WEATHER ZONES 256 AND 257. * WINDS...NORTHWEST 20 TO 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 20 TO 25 PERCENT. * IMPACTS...TALL VEGETATION IS STILL DORMANT OR DEAD. THEREFORE FIRES WILL SPREAD RAPIDLY AND EXHIBIT CRITICAL FIRE BEHAVIOR... WITH LONG RANGE SPOTTING AND RAPID RATES OF SPREAD. IF FIGHTING FIRES...IT IS RECOMMENDED TO ATTACK THE FIRE FROM THE FLANKS AND AVOID THE HEAD OF THE FIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR IN THE NEAR FUTURE. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 2:05 PM CDT | Freeze Watch | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 14 hr |
| Apr 8, 1:59 PM CDT | Fire Weather Watch | FSD | 14 hr |
Nearby
Red Flag Warnings in South Dakota, 2012Red Flag Warnings in Minnesota, 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.