Alert archive / South Dakota / Red Flag Warnings in 2012
Red Flag Warning 4, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this red flag warning at Mar 17, 2012, 10:43 AM CDT. It took effect at Mar 18, 2012, 2:00 PM 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 17, 2012, 10:43 AM CDT (15:43 UTC)
- In effect from
- Mar 18, 2012, 2:00 PM CDT
- Expired
- Mar 18, 2012, 10:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Sioux Falls, SD
The text
As transmitted, in the capitals the NWS used until 2016.
855 WWUS83 KFSD 171543 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1043 AM CDT SAT MAR 17 2012 ...FIRE WEATHER WATCH SDZ258 SUNDAY AFTERNOON AND EVENING... ...RED FLAG WARNING WEST OF THE JAMES RIVER VALLEY SUNDAY AFTERNOON AND EVENING... .SOUTHERLY WINDS WILL BECOME QUITE STRONG ON SUNDAY...AVERAGING 25 TO 45 MPH OVER MANY LOCATIONS. ALONG AND WEST OF THE JAMES RIVER VALLEY...HUMIDITY VALUES WILL ALSO BE DRY. THESE FACTORS...COMBINED WITH DORMANT VEGETATION HAS PROMPTED THE ISSUANCE OF A RED FLAG WARNING FOR AREAS WEST OF INTERSTATE 29. SDZ255-256-172345- /O.UPG.KFSD.FW.A.0006.120318T1700Z-120319T0300Z/ /O.NEW.KFSD.FW.W.0004.120318T1700Z-120319T0300Z/ LOWER BRULE AND LAKE ANDES VICINITY-MIDDLE JAMES RIVER VALLEY- 1043 AM CDT SAT MAR 17 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM CDT SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 255 AND 256... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON TO 10 PM CDT SUNDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...IN SOUTH DAKOTA...FIRE WEATHER ZONES 255 AND 256. * WINDS...SOUTH 25 TO 35 MPH WITH GUSTS UP TO 50 MPH. * RELATIVE HUMIDITY...AS LOW AS 21 PERCENT. * IMPACTS... 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. && $$ SDZ258-172345- /O.CON.KFSD.FW.A.0006.120318T1700Z-120319T0300Z/ LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY- 1043 AM CDT SAT MAR 17 2012 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING FOR STRONG WINDS...DRY AIR AND DORMANT VEGETATION...FOR FIRE WEATHER ZONES 256 AND 258... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. * AFFECTED AREA...IN SOUTH DAKOTA...FIRE WEATHER ZONES 256 AND 258. THE PRIMARY CONCERN IS THE JAMES RIVER VALLEY..EXTENDING FROM THE HURON VICINITY...SOUTHWARD TO AROUND YANKTON. AREAS CLOSE TO INTERSTATE 29 WILL HAVE HIGHER HUMIDITY VALUES... POSSIBLY MODERATING EXTREME FIRE BEHAVIOR SLIGHTLY. * WINDS...SOUTH 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 33 PERCENT. * IMPACTS...ANY FIRES THAT START WILL SPREAD RAPIDLY DUE TO THE DANGEROUS WINDY AND LOW HUMIDITY CONDITIONS...COUPLED WITH DORMANT VEGETATION. FIRES COULD EXHIBIT EXTREME CHARACTERISTICS...INCLUDING LONG RANGE SPOTTING POTENTIAL AND RAPID MOVEMENT. WITH WIND SPEEDS OF THIS MAGNITUDE FORECAST... FIGHTING FIRES ON THE FLANKS IN THESE SITUATIONS IS ADVISED... AVOIDING THE HEAD OF THE FIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS MAY OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$
6 follow-up statements
683 WWUS83 KFSD 172008 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 308 PM CDT SAT MAR 17 2012 ...FIRE WEATHER WATCH SDZ258 SUNDAY AFTERNOON AND EVENING... ...RED FLAG WARNING WEST OF THE JAMES RIVER VALLEY SUNDAY AFTERNOON AND EVENING... .SOUTHERLY WINDS WILL BECOME QUITE STRONG ON SUNDAY...AVERAGING 25 TO 45 MPH OVER MANY LOCATIONS. ALONG AND WEST OF THE JAMES RIVER VALLEY...HUMIDITY VALUES WILL ALSO BE DRY. THESE FACTORS... COMBINED WITH DORMANT VEGETATION HAS PROMPTED THE ISSUANCE OF A RED FLAG WARNING FOR AREAS WEST OF INTERSTATE 29. SDZ255-256-180415- /O.CON.KFSD.FW.W.0004.120318T1700Z-120319T0300Z/ LOWER BRULE AND LAKE ANDES VICINITY-MIDDLE JAMES RIVER VALLEY- 308 PM CDT SAT MAR 17 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM CDT SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 255 AND 256... A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM CDT SUNDAY. * AFFECTED AREA...IN SOUTH DAKOTA...FIRE WEATHER ZONES 255 AND 256. * WINDS...SOUTH 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 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. && $$ SDZ258-180415- /O.CON.KFSD.FW.A.0006.120318T1700Z-120319T0300Z/ LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY- 308 PM CDT SAT MAR 17 2012 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING FOR STRONG WINDS...DRY AIR AND DORMANT VEGETATION...FOR FIRE WEATHER ZONES 256 AND 258... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. * AFFECTED AREA...IN SOUTH DAKOTA...FIRE WEATHER ZONES 256 AND 258. THE PRIMARY CONCERN IS THE JAMES RIVER VALLEY..EXTENDING FROM THE HURON VICINITY...SOUTHWARD TO AROUND YANKTON. AREAS CLOSE TO INTERSTATE 29 WILL HAVE HIGHER HUMIDITY VALUES... POSSIBLY MODERATING EXTREME FIRE BEHAVIOR SLIGHTLY. * WINDS...SOUTH 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 33 PERCENT. * IMPACTS...ANY FIRES THAT START WILL SPREAD RAPIDLY DUE TO THE DANGEROUS WINDY AND LOW HUMIDITY CONDITIONS...COUPLED WITH DORMANT VEGETATION. FIRES COULD EXHIBIT EXTREME CHARACTERISTICS...INCLUDING LONG RANGE SPOTTING POTENTIAL AND RAPID MOVEMENT. WITH WIND SPEEDS OF THIS MAGNITUDE FORECAST... FIGHTING FIRES ON THE FLANKS IN THESE SITUATIONS IS ADVISED... AVOIDING THE HEAD OF THE FIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS MAY OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$
612 WWUS83 KFSD 180211 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 911 PM CDT SAT MAR 17 2012 ...FIRE WEATHER WATCH FOR SDZ258 SUNDAY AFTERNOON AND EVENING... ...RED FLAG WARNING WEST OF THE JAMES RIVER VALLEY SUNDAY AFTERNOON AND EVENING... .SOUTHERLY WINDS WILL BECOME QUITE STRONG ON SUNDAY...AVERAGING 25 TO 45 MPH OVER MANY LOCATIONS. ALONG AND WEST OF THE JAMES RIVER VALLEY...HUMIDITY VALUES WILL ALSO BE DRY. THESE FACTORS... COMBINED WITH DORMANT VEGETATION HAS PROMPTED THE ISSUANCE OF A RED FLAG WARNING AND A FIRE WEATHER WATCH FOR AREAS WEST OF INTERSTATE 29. SDZ255-256-181015- /O.CON.KFSD.FW.W.0004.120318T1700Z-120319T0300Z/ LOWER BRULE AND LAKE ANDES VICINITY-MIDDLE JAMES RIVER VALLEY- 911 PM CDT SAT MAR 17 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM CDT SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 255 AND 256... A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM CDT SUNDAY. * AFFECTED AREA...IN SOUTH DAKOTA...FIRE WEATHER ZONES 255 AND 256. * WINDS...SOUTH 25 TO 35 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 22 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. && $$ SDZ258-181015- /O.CON.KFSD.FW.A.0006.120318T1700Z-120319T0300Z/ LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY- 911 PM CDT SAT MAR 17 2012 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING FOR STRONG WINDS...DRY AIR AND DORMANT VEGETATION...FOR FIRE WEATHER ZONES 256 AND 258... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. * AFFECTED AREA...IN SOUTH DAKOTA...FIRE WEATHER ZONES 256 AND 258. THE PRIMARY CONCERN IS THE JAMES RIVER VALLEY..EXTENDING FROM THE HURON VICINITY...SOUTHWARD TO AROUND YANKTON. AREAS CLOSE TO INTERSTATE 29 WILL HAVE HIGHER HUMIDITY VALUES... POSSIBLY MODERATING EXTREME FIRE BEHAVIOR SLIGHTLY. * WINDS...SOUTH 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 34 PERCENT. * IMPACTS...ANY FIRES THAT START WILL SPREAD RAPIDLY DUE TO THE DANGEROUS WINDY AND LOW HUMIDITY CONDITIONS...COUPLED WITH DORMANT VEGETATION. FIRES COULD EXHIBIT EXTREME CHARACTERISTICS...INCLUDING LONG RANGE SPOTTING POTENTIAL AND RAPID MOVEMENT. WITH WIND SPEEDS OF THIS MAGNITUDE FORECAST... FIGHTING FIRES ON THE FLANKS IN THESE SITUATIONS IS ADVISED... AVOIDING THE HEAD OF THE FIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS MAY OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$
525 WWUS83 KFSD 180850 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 350 AM CDT SUN MAR 18 2012 ...FIRE WEATHER WATCH FOR SDZ258 CANCELLED... ...RED FLAG WARNING WEST OF THE JAMES RIVER VALLEY SUNDAY AFTERNOON AND EVENING... .SOUTHERLY WINDS WILL BECOME QUITE STRONG BY MID AND LATE AFTERNOON...AVERAGING 25 TO 35 MPH WITH GUSTS UP TO 40 TO 45 MPH OVER MANY LOCATIONS. WEST OF THE JAMES RIVER VALLEY...HUMIDITY VALUES WILL ALSO BE DRY...THEREFORE THE RED FLAG WARNING CONTINUES FOR THOSE AREAS. IN EXTREME SOUTHEAST SOUTH DAKOTA...IT APPEARS THAT THE MINIMUM HUMIDITY VALUES WILL BE A BIT TOO HIGH TO CREATE CRITICAL FIRE BEHAVIOR...THEREFORE THE FIRE WEATHER WATCH HAS BEEN CANCELLED. HOWEVER IN SOUTHEAST SOUTH DAKOTA...THE GRASSLAND FIRE DANGER INDEX IS STILL EXTREME DUE TO THE STRONG WINDS. SDZ258-181000- /O.CAN.KFSD.FW.A.0006.120318T1700Z-120319T0300Z/ LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY- 350 AM CDT SUN MAR 18 2012 ...FIRE WEATHER WATCH IS CANCELLED FOR FIRE WEATHER ZONE 258... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE FIRE WEATHER WATCH IN EXTREME SOUTHEAST SOUTH DAKOTA. SOUTH TO SOUTHEAST WINDS WILL STILL BE STRONG TODAY...AVERAGING 25 TO 35 MPH THIS AFTERNOON WITH SOME HIGHER GUSTS. HOWEVER MINIMUM HUMIDITY VALUES ARE PROJECTED TO RANGE FROM 38 TO 45 PERCENT IN THIS AREA...MEANING THAT CRITICAL FIRE BEHAVIOR IS NOT ANTICIPATED. THAT SAID...THE GRASSLAND FIRE DANGER INDEX WILL STILL BE IN THE EXTREME CATEGORY TODAY...WITH ANY FIRES THAT START EXHIBITING RAPID RATES OF SPREAD. BUT WITH MODESTLY HIGH HUMIDITY VALUES...FIRE STARTS DUE TO LONG RANGE SPOTTING WILL BE HELD DOWN. $$ SDZ255-256-181700- /O.EXT.KFSD.FW.W.0004.120318T1900Z-120319T0300Z/ LOWER BRULE AND LAKE ANDES VICINITY-MIDDLE JAMES RIVER VALLEY- 350 AM CDT SUN MAR 18 2012 ...RED FLAG WARNING NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 255 AND 256... THE RED FLAG WARNING IS NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM CDT THIS EVENING. * AFFECTED AREA...IN SOUTH DAKOTA...FIRE WEATHER ZONES 255 AND 256. THIS INCLUDES SOUTH CENTRAL SOUTH DAKOTA...AS WELL AS THE WESTERN PORTIONS OF EAST CENTRAL SOUTH DAKOTA...GENERALLY NEAR THE JAMES RIVER VALLEY AND POINTS WESTWARD. * WINDS...SOUTH 25 TO 30 MPH WITH GUSTS UP TO 45 MPH. * RELATIVE HUMIDITY...AS LOW AS 20 PERCENT IN SOUTH CENTRAL SOUTH DAKOTA...AND 32 TO 33 PERCENT NEAR THE JAMES RIVER AND POINTS WESTWARD IN EAST CENTRAL SOUTH DAKOTA. * IMPACTS...ANY FIRES THAT START WILL SPREAD RAPIDLY DUE TO THE DANGEROUS WINDY AND LOW HUMIDITY CONDITIONS...COUPLED WITH DORMANT VEGETATION. FIRES COULD EXHIBIT EXTREME CHARACTERISTICS...INCLUDING LONG RANGE SPOTTING POTENTIAL AND RAPID MOVEMENT. WITH WIND SPEEDS OF THIS MAGNITUDE FORECAST... FIGHTING FIRES ON THE FLANKS IN THESE SITUATIONS IS ADVISED... AVOIDING THE HEAD OF THE FIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR IN THE NEAR FUTURE. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
847 WWUS83 KFSD 181635 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1135 AM CDT SUN MAR 18 2012 ...RED FLAG WARNING WEST OF THE JAMES RIVER VALLEY THIS AFTERNOON AND EVENING... .SOUTHERLY WINDS WILL BECOME QUITE STRONG BY MID AND LATE AFTERNOON...AVERAGING 25 TO 35 MPH WITH GUSTS UP TO 40 TO 45 MPH OVER MANY LOCATIONS. WEST OF THE JAMES RIVER VALLEY...HUMIDITY VALUES WILL ALSO BE DRY...THEREFORE THE RED FLAG WARNING CONTINUES FOR THOSE AREAS. IN SOUTHEAST SOUTH DAKOTA...THE GRASSLAND FIRE DANGER INDEX IS STILL EXTREME DUE TO THE STRONG WINDS. SDZ255-256-190045- /O.CON.KFSD.FW.W.0004.120318T1900Z-120319T0300Z/ LOWER BRULE AND LAKE ANDES VICINITY-MIDDLE JAMES RIVER VALLEY- 1135 AM CDT SUN MAR 18 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 255 AND 256... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING. * AFFECTED AREA...IN SOUTH DAKOTA...FIRE WEATHER ZONES 255 AND 256. THIS INCLUDES SOUTH CENTRAL SOUTH DAKOTA...AS WELL AS THE WESTERN PORTIONS OF EAST CENTRAL SOUTH DAKOTA...GENERALLY NEAR THE JAMES RIVER VALLEY AND POINTS WESTWARD. * WINDS...SOUTH 20 TO 30 MPH WITH GUSTS UP TO 50 MPH. * RELATIVE HUMIDITY...AS LOW AS 23 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. && $$
694 WWUS83 KFSD 181945 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 245 PM CDT SUN MAR 18 2012 ...RED FLAG WARNING WEST OF THE JAMES RIVER VALLEY THIS AFTERNOON AND EVENING... .VERY STRONG SOUTHERLY WINDS WILL CONTINUE INTO THE EVENING...AVERAGING 25 TO 35 MPH WITH GUSTS UP TO 40 TO 45 MPH OVER MANY LOCATIONS. WEST OF THE JAMES RIVER VALLEY...HUMIDITY VALUES WILL ALSO BE DRY...THEREFORE THE RED FLAG WARNING CONTINUES FOR THOSE AREAS. IN SOUTHEAST SOUTH DAKOTA...THE GRASSLAND FIRE DANGER INDEX IS STILL EXTREME DUE TO THE STRONG WINDS. SDZ255-256-190300- /O.CON.KFSD.FW.W.0004.000000T0000Z-120319T0300Z/ LOWER BRULE AND LAKE ANDES VICINITY-MIDDLE JAMES RIVER VALLEY- 245 PM CDT SUN MAR 18 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 255 AND 256... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING. * AFFECTED AREA...IN SOUTH DAKOTA...FIRE WEATHER ZONES 255 AND 256. THIS INCLUDES SOUTH CENTRAL SOUTH DAKOTA...AS WELL AS THE WESTERN PORTIONS OF EAST CENTRAL SOUTH DAKOTA...GENERALLY NEAR THE JAMES RIVER VALLEY AND POINTS WESTWARD. * WINDS...SOUTH 20 TO 30 MPH WITH GUSTS UP TO 50 MPH. * RELATIVE HUMIDITY...AS LOW AS 24 PERCENT. * IMPACTS...ANY FIRES THAT START WILL SPREAD RAPIDLY DUE TO THE DANGEROUS WINDY AND LOW HUMIDITY CONDITIONS...COUPLED WITH DORMANT VEGETATION. FIRES COULD EXHIBIT EXTREME CHARACTERISTICS...INCLUDING LONG RANGE SPOTTING POTENTIAL AND RAPID MOVEMENT. WITH WIND SPEEDS OF THIS MAGNITUDE FORECAST... FIGHTING FIRES ON THE FLANKS IN THESE SITUATIONS IS ADVISED... AVOIDING THE HEAD OF THE FIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR IN THE NEAR FUTURE. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
004 WWUS83 KFSD 190235 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 935 PM CDT SUN MAR 18 2012 SDZ255-256-190345- /O.EXP.KFSD.FW.W.0004.000000T0000Z-120319T0300Z/ LOWER BRULE AND LAKE ANDES VICINITY-MIDDLE JAMES RIVER VALLEY- 935 PM CDT SUN MAR 18 2012 ...RED FLAG WARNING WILL EXPIRE AT 10 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 255 AND 256... THE RED FLAG WARNING WILL EXPIRE AT 10 PM CDT THIS EVENING. TEMPERATURES CONTINUE TO FALL THIS EVENING WHICH HAS ALLOWED HUMIDITY VALUES TO RISE ABOVE 50 PERCENT. WINDS HAVE ALSO DECREASED BUT WILL REMAIN BREEZY THROUGH THE OVERNIGHT HOURS. THE EXTREME FIRE DANGER THREAT HAS DIMINISHED THIS EVENING. $$
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 4:05 AM CDT | Fire Weather Watch | FSD | 24 hr | |
| Mar 17, 3:03 PM CDT | Wind Advisory | FSD | Aurora, Brule, Charles Mix, Douglas, Gregory, Jerauld | 29 hr |
Nearby
Red Flag Warnings in South Dakota, 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.