Alert archive / South Dakota / Red Flag Warnings in 2012
Red Flag Warning 28, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this red flag warning at Oct 12, 2012, 3:13 AM CDT. It took effect at Oct 12, 2012, 1:00 PM CDT. It was in force for 6 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
- Oct 12, 2012, 3:13 AM CDT (08:13 UTC)
- In effect from
- Oct 12, 2012, 1:00 PM CDT
- Expired
- Oct 12, 2012, 7:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Sioux Falls, SD
The text
As transmitted, in the capitals the NWS used until 2016.
820 WWUS83 KFSD 120813 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 313 AM CDT FRI OCT 12 2012 ...RED FLAG WARNING THIS AFTERNOON FOR AREAS ALONG AND NORTH OF INTERSTATE 90 FOR STRONG SOUTHERLY WINDS AND LOW HUMIDITY... .ACROSS THE WARNING AREA...SOUTH WINDS WILL INCREASE IN THE LATE MORNING AND AFTERNOON HOURS INTO THE 20 TO 35 MPH RANGE. THIS WILL BE COUPLED WITH HUMIDITY VALUES FALLING TO AROUND 22 PERCENT. THE COMBINATION OF THESE FACTORS...PLUS EXTREMELY DRY FUELS...WILL GIVE DANGEROUS FIRE WEATHER CONDITIONS ALONG AND NORTH OF INTERSTATE 90. ELSEWHERE...HUMIDITY VALUES WILL ALSO BE IN THE 20 TO 25 PERCENT RANGE...BUT WIND SPEEDS ARE EXPECTED TO BE SLIGHTLY LIGHTER. ONE EXCEPTION TO THIS IS OVER SOUTH CENTRAL SOUTH DAKOTA. IN THAT AREA WHERE THE RED FLAG WARNING DOES NOT EXIST...WIND SPEEDS WILL ALSO BE STRONG. HOWEVER SOME MOISTURE RETURN WILL GIVE HUMIDITY VALUES OF 25 TO 35 PERCENT IN THAT AREA. MNZ900-SDZ256-257-121630- /O.UPG.KFSD.FW.A.0022.121012T1800Z-121013T0000Z/ /O.NEW.KFSD.FW.W.0028.121012T1800Z-121013T0000Z/ SOUTHWEST MINNESOTA-MIDDLE JAMES RIVER VALLEY- MIDDLE BIG SIOUX RIVER VALLEY- 313 AM CDT FRI OCT 12 2012 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 256...257 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 7 PM CDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...IN MINNESOTA...FIRE WEATHER ZONE 900 WHICH INCLUDES ALL OF SOUTHWEST MINNESOTA. IN SOUTH DAKOTA...FIRE WEATHER ZONES 256 AND 257...WHICH IS BOUNDED BY AN AREA FROM HURON TO BROOKINGS...AND FROM MITCHELL TO SIOUX FALLS. * WINDS...SOUTH 20 TO 25 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 22 PERCENT. * IMPACTS...FAST MOVING AND INTENSE GRASSLAND FIRES. 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. && $$
2 follow-up statements
799 WWUS83 KFSD 121639 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1139 AM CDT FRI OCT 12 2012 ...RED FLAG WARNING THIS AFTERNOON FOR AREAS ALONG AND NORTH OF INTERSTATE 90 FOR STRONG SOUTHERLY WINDS AND LOW HUMIDITY... .ACROSS THE WARNING AREA...SOUTH WINDS WILL INCREASE TO 20 TO 35 MPH. THIS WILL BE COUPLED WITH HUMIDITY VALUES FALLING TO AROUND 22 PERCENT. THE COMBINATION OF THESE FACTORS...PLUS EXTREMELY DRY FUELS...WILL GIVE DANGEROUS FIRE WEATHER CONDITIONS ALONG AND NORTH OF INTERSTATE 90. ELSEWHERE...HUMIDITY VALUES WILL ALSO BE IN THE 20 TO 25 PERCENT RANGE...BUT WIND SPEEDS ARE EXPECTED TO BE SLIGHTLY LIGHTER. ONE EXCEPTION TO THIS IS OVER SOUTH CENTRAL SOUTH DAKOTA. IN THAT AREA WHERE THE RED FLAG WARNING DOES NOT EXIST...WIND SPEEDS WILL ALSO BE STRONG. HOWEVER SOME MOISTURE RETURN WILL GIVE HUMIDITY VALUES OF 25 TO 35 PERCENT IN THAT AREA. MNZ900-SDZ256-257-130000- /O.CON.KFSD.FW.W.0028.121012T1800Z-121013T0000Z/ SOUTHWEST MINNESOTA-MIDDLE JAMES RIVER VALLEY- MIDDLE BIG SIOUX RIVER VALLEY- 1139 AM CDT FRI OCT 12 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 256... 257 AND 900... * AFFECTED AREA...IN MINNESOTA...FIRE WEATHER ZONE 900. IN SOUTH DAKOTA...FIRE WEATHER ZONES 256 AND 257. * WINDS...SOUTH 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 22 PERCENT. * IMPACTS...FAST MOVING AND INTENSE GRASSLAND FIRES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR IN THE NEAR FUTURE. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
275 WWUS83 KFSD 130018 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 718 PM CDT FRI OCT 12 2012 IAZ300-301-MNZ900-NEZ249-SDZ255>258-130130- /O.EXP.KFSD.FW.W.0028.000000T0000Z-121013T0000Z/ NORTHERN LOESS HILLS AND FLOYD RIVER BASIN- IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-SOUTHWEST MINNESOTA- 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- 718 PM CDT FRI OCT 12 2012 ...RED FLAG WARNING HAS EXPIRED FOR FIRE WEATHER ZONES 249... 255...256...257...258...300...301 AND 900... COOLING WITH SUNSET...INCREASING RELATIVE HUMIDITY AND SLOWLY DECREASING WINDS WILL CONTINUE TO RESULT IN DECREASING FIRE DANGER THIS EVENING. $$
Nearby
Red Flag Warnings in South Dakota, 2012Red Flag Warnings in Minnesota, 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.