Alert archive / Iowa / Red Flag Warnings in 2009
Red Flag Warning 2, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this red flag warning at Apr 23, 2009, 3:44 AM CDT. It took effect at Apr 23, 2009, 12:00 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
- Apr 23, 2009, 3:44 AM CDT (08:44 UTC)
- In effect from
- Apr 23, 2009, 12:00 PM CDT
- Expired
- Apr 23, 2009, 8:00 PM CDT
- In force
- 8 hr
- Issued by
- NWS Sioux Falls, SD
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS83 KFSD 230844 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 344 AM CDT THU APR 23 2009 .STRONG SOUTHERLY WINDS OF 20 TO 35 MPH WILL DRAW UNSEASONABLY MILD DRY AIR INTO THE REGION. AS TEMPERATURES WARM WELL INTO THE 80S WITH A FEW LOCATIONS APPROACHING 90 THIS AFTERNOON...RELATIVE HUMIDITIES WILL FALL TO 15 TO 20 PERCENT ACROSS SDZ255 IN CENTRAL SOUTH DAKOTA. FURTHER TO THE EAST...RELATIVE HUMIDITIES WILL REMAIN SLIGHTLY HIGHER...HOWEVER...WILL FALL TO TO 25 PERCENT OR SLIGHTLY BELOW ACROSS SOUTHWEST MINNESOTA. SDZ255-231645- /O.NEW.KFSD.FW.W.0002.090423T1700Z-090424T0000Z/ LOWER BRULE AND LAKE ANDES VICINITY- 344 AM CDT THU APR 23 2009 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING. THE RED FLAG WARNING INCLUDES THE FOLLOWING FIRE WEATHER ZONES: IN SOUTH DAKOTA...255 WITH RECORD HIGHS NEAR 90 DEGREES AND STRONG SOUTHERLY WINDS USHERING DRY AIR INTO THE REGION...RELATIVE HUMIDITY VALUES ARE EXPECTED TO FALL TO 15 TO 20 PERCENT THIS AFTERNOON. THESE CONDITIONS ARE EXPECTED TO SUBSIDE THIS EVENING AS A STRONG COLD FRONT APPROACHES FROM THE WEST. 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. && $$ MNZ900-231645- /O.NEW.KFSD.FW.W.0002.090423T1700Z-090424T0000Z/ SOUTHWEST MINNESOTA- 344 AM CDT THU APR 23 2009 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING. THE RED FLAG WARNING INCLUDES THE FOLLOWING FIRE WEATHER ZONES: IN MINNESOTA...900 AS TEMPERATURES WARM WELL INTO THE 80S...STRONG SOUTHERLY WINDS OF 25 TO 40 MPH WILL MIX DOWN FROM ALOFT. DRY AIR WILL ALSO BE DRAWN FROM ALOFT...CAUSING THE RELATIVE HUMIDITIES TO FALL TO 20 TO 25 PERCENT. THESE CONDITIONS WILL GRADUALLY SUBSIDE THIS EVENING AS THE SOUTH WINDS DECREASE TO 15 TO 20 MPH OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR IN THE NEAR FUTURE. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ BT
4 follow-up statements
000 WWUS83 KFSD 231624 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1124 AM CDT THU APR 23 2009 .STRONG SOUTHERLY WINDS OF 20 TO 35 MPH WILL DRAW UNSEASONABLY MILD DRY AIR INTO THE REGION. AS TEMPERATURES WARM WELL INTO THE 80S WITH A FEW LOCATIONS APPROACHING 90 THIS AFTERNOON...RELATIVE HUMIDITIES WILL FALL TO 15 TO 20 PERCENT ACROSS SDZ255 IN CENTRAL SOUTH DAKOTA. FURTHER TO THE EAST...RELATIVE HUMIDITIES WILL REMAIN SLIGHTLY HIGHER...HOWEVER...WILL STILL FALL TO 25 PERCENT OR SLIGHTLY BELOW ACROSS SOUTHWEST MINNESOTA. BETWEEN THESE TWO AREAS...FROM AROUND HURON AND MITCHELL TO AROUND THE INTERSTATE 29 CORRIDOR...RELATIVE HUMIDITIES SHOULD DRY OUT TO BETWEEN 25 AND 30 PERCENT. SDZ255-240000- /O.CON.KFSD.FW.W.0002.090423T1700Z-090424T0000Z/ LOWER BRULE AND LAKE ANDES VICINITY- 1124 AM CDT THU APR 23 2009 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. THE RED FLAG WARNING INCLUDES THE FOLLOWING FIRE WEATHER ZONES: IN SOUTH DAKOTA...255 THE RED FLAG WARNING INCLUDES THE FOLLOWING FIRE WEATHER ZONES: IN SOUTH DAKOTA...255 WITH RECORD HIGHS NEAR 90 DEGREES AND STRONG SOUTHERLY WINDS USHERING DRY AIR INTO THE REGION...RELATIVE HUMIDITY VALUES ARE EXPECTED TO FALL TO 15 TO 20 PERCENT THIS AFTERNOON. THESE CONDITIONS ARE EXPECTED TO SUBSIDE THIS EVENING AS A STRONG COLD FRONT APPROACHES FROM THE WEST. 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. && $$ MNZ900-240000- /O.CON.KFSD.FW.W.0002.090423T1700Z-090424T0000Z/ SOUTHWEST MINNESOTA- 1124 AM CDT THU APR 23 2009 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. THE RED FLAG WARNING INCLUDES THE FOLLOWING FIRE WEATHER ZONES: IN MINNESOTA...900 THE RED FLAG WARNING INCLUDES THE FOLLOWING FIRE WEATHER ZONES: IN MINNESOTA...900 AS TEMPERATURES WARM WELL INTO THE 80S...STRONG SOUTHERLY WINDS OF 25 TO 40 MPH WILL MIX DOWN FROM ALOFT. DRY AIR WILL ALSO BE DRAWN FROM ALOFT...CAUSING THE RELATIVE HUMIDITIES TO FALL TO 20 TO 25 PERCENT. THESE CONDITIONS WILL GRADUALLY SUBSIDE THIS EVENING AS THE SOUTH WINDS DECREASE TO 15 TO 20 MPH OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR IN THE NEAR FUTURE. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
000 WWUS83 KFSD 231706 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1206 PM CDT THU APR 23 2009 .STRONG SOUTHERLY WINDS OF 20 TO 35 MPH WILL DRAW UNSEASONABLY MILD DRY AIR INTO THE REGION. AS TEMPERATURES WARM WELL INTO THE 80S WITH A FEW LOCATIONS APPROACHING 90 THIS AFTERNOON...RELATIVE HUMIDITIES WILL FALL TO 15 TO 20 PERCENT ACROSS SDZ255 IN CENTRAL SOUTH DAKOTA. FURTHER TO THE EAST...RELATIVE HUMIDITIES WILL REMAIN SLIGHTLY HIGHER...HOWEVER...WILL STILL FALL TO 25 PERCENT OR SLIGHTLY BELOW ACROSS SOUTHWEST MINNESOTA. BETWEEN THESE TWO AREAS...FROM AROUND HURON AND MITCHELL TO AROUND THE INTERSTATE 29 CORRIDOR...RELATIVE HUMIDITIES SHOULD DRY OUT TO AROUND 25 PERCENT WITH BREEZY AND VERY WARM CONDITIONS. IAZ300-301-NEZ249-SDZ256>258-240100- /O.EXB.KFSD.FW.W.0002.000000T0000Z-090424T0100Z/ NORTHERN LOESS HILLS AND FLOYD RIVER BASIN- IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS- EXTREME NORTHEAST NEBRASKA-MIDDLE JAMES RIVER VALLEY- MIDDLE BIG SIOUX RIVER VALLEY- LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY- 1206 PM CDT THU APR 23 2009 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 8 PM CDT THIS EVENING. THE RED FLAG WARNING INCLUDES THE FOLLOWING FIRE WEATHER ZONES: IN SOUTH DAKOTA...256...257...258 IN NEBRASKA...249 IN IOWA...300...301 THE RED FLAG WARNING INCLUDES THE FOLLOWING FIRE WEATHER ZONES: IN MINNESOTA...900 THE RED FLAG WARNING INCLUDES THE FOLLOWING FIRE WEATHER ZONES: IN MINNESOTA...900 AS TEMPERATURES WARM WELL INTO THE 80S...STRONG SOUTHERLY WINDS OF 25 TO 40 MPH WILL MIX DOWN FROM ALOFT. DRY AIR WILL ALSO BE DRAWN FROM ALOFT...CAUSING THE RELATIVE HUMIDITIES TO FALL TO 20 TO 25 PERCENT. THESE CONDITIONS WILL GRADUALLY SUBSIDE THIS EVENING AS THE SOUTH WINDS DECREASE TO 15 TO 20 MPH OVERNIGHT. 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. && $$ SDZ255-240100- /O.EXT.KFSD.FW.W.0002.000000T0000Z-090424T0100Z/ LOWER BRULE AND LAKE ANDES VICINITY- 1206 PM CDT THU APR 23 2009 ...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM CDT THIS EVENING... THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 8 PM CDT THIS EVENING. THE RED FLAG WARNING INCLUDES THE FOLLOWING FIRE WEATHER ZONES: IN SOUTH DAKOTA...255 THE RED FLAG WARNING INCLUDES THE FOLLOWING FIRE WEATHER ZONES: IN SOUTH DAKOTA...255 THE RED FLAG WARNING INCLUDES THE FOLLOWING FIRE WEATHER ZONES: IN SOUTH DAKOTA...255 WITH RECORD HIGHS NEAR 90 DEGREES AND STRONG SOUTHERLY WINDS USHERING DRY AIR INTO THE REGION...RELATIVE HUMIDITY VALUES ARE EXPECTED TO FALL TO 15 TO 20 PERCENT THIS AFTERNOON. THESE CONDITIONS ARE EXPECTED TO SUBSIDE THIS EVENING AS A STRONG COLD FRONT APPROACHES FROM THE WEST. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR IN THE NEAR FUTURE. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ MNZ900-240100- /O.EXT.KFSD.FW.W.0002.000000T0000Z-090424T0100Z/ SOUTHWEST MINNESOTA- 1206 PM CDT THU APR 23 2009 ...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM CDT THIS EVENING... THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 8 PM CDT THIS EVENING. THE RED FLAG WARNING INCLUDES THE FOLLOWING FIRE WEATHER ZONES: IN MINNESOTA...900 THE RED FLAG WARNING INCLUDES THE FOLLOWING FIRE WEATHER ZONES: IN MINNESOTA...900 THE RED FLAG WARNING INCLUDES THE FOLLOWING FIRE WEATHER ZONES: IN MINNESOTA...900 AS TEMPERATURES WARM WELL INTO THE 80S...STRONG SOUTHERLY WINDS OF 25 TO 40 MPH WILL MIX DOWN FROM ALOFT. DRY AIR WILL ALSO BE DRAWN FROM ALOFT...CAUSING THE RELATIVE HUMIDITIES TO FALL TO 20 TO 25 PERCENT. THESE CONDITIONS WILL GRADUALLY SUBSIDE THIS EVENING AS THE SOUTH WINDS DECREASE TO 15 TO 20 MPH OVERNIGHT. 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. && $$
000 WWUS83 KFSD 232054 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 354 PM CDT THU APR 23 2009 .GUSTY SOUTHWEST WINDS...WARM TEMPERATURES...AND LOW RELATIVE HUMIDITY VALUES WILL CONTINUE TO PRODUCE DANGEROUS FIRE CONDITIONS THROUGH EARLY THIS EVENING. CONDITIONS WILL IMPROVE LATER THIS EVENING...AS WINDS DECREASE AND RELATIVE HUMIDITY VALUES INCREASE. SDZ255-240100- /O.CON.KFSD.FW.W.0002.000000T0000Z-090424T0100Z/ LOWER BRULE AND LAKE ANDES VICINITY- 354 PM CDT THU APR 23 2009 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING. THE RED FLAG WARNING INCLUDES THE FOLLOWING FIRE WEATHER ZONES: IN SOUTH DAKOTA...255 GUSTY SOUTHWEST WINDS...WARM TEMPERATURES...AND LOW RELATIVE HUMIDITY VALUES OF 15 TO 20 PERCENT WILL CONTINUE TO PRODUCE DANGEROUS FIRE CONDITIONS THROUGH EARLY THIS EVENING. WEATHER CONDITIONS CONDITIONS WILL IMPROVE LATER THIS EVENING AS WINDS WILL DECREASE AND RELATIVE HUMIDITY VALUES INCREASE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR IN THE NEAR FUTURE. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ IAZ300-301-MNZ900-NEZ249-SDZ256>258-240100- /O.CON.KFSD.FW.W.0002.000000T0000Z-090424T0100Z/ NORTHERN LOESS HILLS AND FLOYD RIVER BASIN- IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-SOUTHWEST MINNESOTA- EXTREME NORTHEAST NEBRASKA-MIDDLE JAMES RIVER VALLEY- MIDDLE BIG SIOUX RIVER VALLEY- LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY- 354 PM CDT THU APR 23 2009 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING. THE RED FLAG WARNING INCLUDES THE FOLLOWING FIRE WEATHER ZONES: IN SOUTH DAKOTA...256...257...258 IN MINNESOTA...900 IN NEBRASKA...249 IN IOWA...300...301 GUSTY SOUTHWEST WINDS...WARM TEMPERATURES...AND LOW RELATIVE HUMIDITY VALUES OF 15 TO 25 PERCENT WILL CONTINUE TO PRODUCE DANGEROUS FIRE CONDITIONS THROUGH EARLY THIS EVENING. CONDITIONS WILL IMPROVE LATER THIS EVENING AS WINDS WILL DECREASE AND RELATIVE HUMIDITY VALUES INCREASE. 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. && $$ 97
000 WWUS83 KFSD 240101 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 801 PM CDT THU APR 23 2009 .WINDS WILL CONTINUE TO DECREASE THIS EVENING...WHILE RELATIVE HUMIDITIES WILL RAPIDLY INCREASE...DIMINISHING THE POTENTIAL FOR RAPID FIRE GROWTH. SDZ255-240215- /O.EXP.KFSD.FW.W.0002.000000T0000Z-090424T0100Z/ LOWER BRULE AND LAKE ANDES VICINITY- 801 PM CDT THU APR 23 2009 ...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING... THE RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING. $$ IAZ300-301-MNZ900-NEZ249-SDZ256>258-240215- /O.EXP.KFSD.FW.W.0002.000000T0000Z-090424T0100Z/ NORTHERN LOESS HILLS AND FLOYD RIVER BASIN- IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-SOUTHWEST MINNESOTA- EXTREME NORTHEAST NEBRASKA-MIDDLE JAMES RIVER VALLEY- MIDDLE BIG SIOUX RIVER VALLEY- LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY- 801 PM CDT THU APR 23 2009 ...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING... THE RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING. $$ 97
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 3:29 AM CDT | Wind Advisory | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 16 hr |
Nearby
Red Flag Warnings in Iowa, 2009Red Flag Warnings in South Dakota, 2009Red Flag Warnings in Nebraska, 2009Every red flag warning in 2009
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.