Alert archive / South Dakota / Red Flag Warnings in 2012

Red Flag Warning 29, NWS Sioux Falls, SD

October 16, 2012

NWS Sioux Falls, SD issued this red flag warning at Oct 16, 2012, 2:05 PM CDT. It took effect at Oct 17, 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 16, 2012, 2:05 PM CDT (19:05 UTC)
In effect from
Oct 17, 2012, 1:00 PM CDT
Expired
Oct 17, 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.

394 
WWUS83 KFSD 161905
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
205 PM CDT TUE OCT 16 2012

...VERY STRONG NORTHWEST WINDS AND LOW HUMIDITY ON WEDNESDAY...

A STRONG FRONT IS EXPECTED TO TRACK THROUGH THE REGION TONIGHT...
USHERING IN MUCH COOLER AND WINDIER CONDITIONS FOR WEDNESDAY AND
THURSDAY. BY WEDNESDAY AFTERNOON...NORTHWEST WINDS WILL INCREASE
TO 20 TO 35 MPH WITH A FEW GUSTS AS HIGH AS 45 MPH. THESE STRONG
WINDS WILL COMBINE WITH LOW HUMIDITY VALUES OF 20 TO 25 PERCENT
TO CREATE EXTREME FIRE DANGER ACROSS SOUTHEAST SOUTH DAKOTA...FAR
NORTHEAST NEBRASKA AND WEST CENTRAL IOWA. THESE
CONDITIONS...COMBINED WITH EXTREMELY DRY VEGETATION...WILL ALLOW
ANY GRASS FIRES TO BECOME FAST MOVING AND INTENSE. HIGHER HUMIDITY
WEDNESDAY NIGHT AND THURSDAY WILL LESSEN THE FIRE DANGER DESPITE
THE CONTINUED STRONG WINDS.

IAZ300-NEZ249-SDZ255>258-170315-
/O.UPG.KFSD.FW.A.0023.121017T1800Z-121018T0000Z/
/O.NEW.KFSD.FW.W.0029.121017T1800Z-121018T0000Z/
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-
205 PM CDT TUE OCT 16 2012

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 7 PM CDT WEDNESDAY 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 1 PM TO 7 PM CDT WEDNESDAY. THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT.

* RED FLAG WARNING IN EFFECT FROM 1 PM TO 7 PM CDT WEDNESDAY FOR
  THE FOLLOWING AREAS...IN IOWA...FIRE WEATHER ZONE 300. IN
  NEBRASKA... FIRE WEATHER ZONE 249. IN SOUTH DAKOTA...FIRE
  WEATHER ZONES 255... 256...257 AND 258.

* WINDS...NORTHWEST 20 TO 35 MPH WITH GUSTS UP TO 40 TO 45 MPH.

* RELATIVE HUMIDITY...AS LOW AS 20 TO 25 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.

&&

$$
5 follow-up statements
805 
WWUS83 KFSD 170203
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
903 PM CDT TUE OCT 16 2012

...VERY STRONG NORTHWEST WINDS AND LOW HUMIDITY ON WEDNESDAY...

A STRONG COLD FRONT IS EXPECTED TO TRACK THROUGH THE REGION TONIGHT...
USHERING IN MUCH COOLER AND WINDIER CONDITIONS FOR WEDNESDAY AND
THURSDAY. BY WEDNESDAY AFTERNOON...NORTHWEST WINDS WILL INCREASE
TO 20 TO 35 MPH WITH A FEW GUSTS AS HIGH AS 45 MPH. THESE STRONG
WINDS WILL COMBINE WITH LOW HUMIDITY VALUES OF 20 TO 25 PERCENT
TO CREATE EXTREME FIRE DANGER ACROSS SOUTHEAST SOUTH DAKOTA...FAR
NORTHEAST NEBRASKA AND WEST CENTRAL IOWA. THESE CONDITIONS...
COMBINED WITH EXTREMELY DRY VEGETATION...WILL ALLOW ANY GRASS
FIRES TO BECOME FAST MOVING AND INTENSE. HIGHER HUMIDITY
WEDNESDAY NIGHT AND THURSDAY WILL LESSEN THE FIRE DANGER DESPITE
THE CONTINUED STRONG WINDS.

IAZ300-NEZ249-SDZ255>258-171015-
/O.CON.KFSD.FW.W.0029.121017T1800Z-121018T0000Z/
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-
903 PM CDT TUE OCT 16 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM TO 7 PM CDT
WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 249...255...256...257...258 AND 300...

* RED FLAG WARNING IN EFFECT FROM 1 PM TO 7 PM CDT WEDNESDAY FOR 
  THE FOLLOWING AREAS...IN IOWA...FIRE WEATHER ZONE 300. IN 
  NEBRASKA... FIRE WEATHER ZONE 249. IN SOUTH DAKOTA...FIRE 
  WEATHER ZONES 255... 256...257 AND 258. 

* WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS UP TO 45 MPH.

* RELATIVE HUMIDITY...AS LOW AS 24 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.

&&

$$
604 
WWUS83 KFSD 170914
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
414 AM CDT WED OCT 17 2012

...CRITICAL FIRE CONDITIONS THIS AFTERNOON ACROSS MUCH OF SOUTHEAST
SOUTH DAKOTA...EXTREME NORTHEAST NEBRASKA...AND THE LOESS HILLS OF
NORTHWEST IOWA DUE TO VERY STRONG NORTHWEST WINDS AND LOW
HUMIDITY...

MUCH WINDIER CONDITIONS TODAY WILL PRODUCE A SIGNIFICANT IMPACT ON
FIRE WEATHER ACROSS MUCH OF THE AREA. WHILE THE LOWEST RELATIVE
HUMIDITY VALUES FROM 20 TO 30 PERCENT WILL LIKELY BE CONTAINED TO
AREAS WEST OF THE JAMES RIVER AND THROUGH THE LOWER MISSOURI RIVER
CORRIDOR...NORTHWEST WINDS GUSTING TO 45 TO 55 MPH WILL CREATE
CRITICAL FIRE WEATHER CONDITIONS ACROSS MUCH OF SOUTHEAST SOUTH
DAKOTA...EXTREME NORTHEAST NEBRASKA...AND THE LOESS HILLS REGION
OF NORTHWEST IOWA. THESE CONDITIONS...COMBINED WITH EXTREMELY DRY
VEGETATION...WILL ALLOW ANY GRASS FIRES TO BECOME FAST MOVING AND
INTENSE. HIGHER HUMIDITY WEDNESDAY NIGHT AND THURSDAY WILL LESSEN
THE FIRE DANGER DESPITE THE CONTINUED STRONG WINDS.

IAZ300-NEZ249-SDZ255>258-171715-
/O.CON.KFSD.FW.W.0029.121017T1800Z-121018T0000Z/
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-
414 AM CDT WED OCT 17 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 249...255...256...257...258 AND 300...

* RED FLAG WARNING IN EFFECT FROM 1 PM TO 7 PM CDT WEDNESDAY FOR 
  THE FOLLOWING AREAS...IN IOWA...FIRE WEATHER ZONE 300. IN 
  NEBRASKA... FIRE WEATHER ZONE 249. IN SOUTH DAKOTA...FIRE 
  WEATHER ZONES 255... 256...257 AND 258. 

* WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS UP TO 50 MPH.

* RELATIVE HUMIDITY...AS LOW AS 20 TO 25 PERCENT...BUT HIGHER NEAR
  THE INTERSTATE 29 CORRIDOR IN EAST CENTRAL SOUTH DAKOTA.

* 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.

&&

$$

CHAPMAN
808 
WWUS83 KFSD 171408
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
908 AM CDT WED OCT 17 2012

...CRITICAL FIRE CONDITIONS THIS AFTERNOON ACROSS MUCH OF
SOUTHEAST SOUTH DAKOTA...EXTREME NORTHEAST NEBRASKA...AND THE
LOESS HILLS OF NORTHWEST IOWA DUE TO VERY STRONG NORTHWEST WINDS
AND LOW HUMIDITY...

MUCH WINDIER CONDITIONS TODAY WILL PRODUCE A SIGNIFICANT IMPACT
ON FIRE WEATHER ACROSS MUCH OF THE AREA. WHILE THE LOWEST
RELATIVE HUMIDITY VALUES FROM 20 TO 30 PERCENT WILL LIKELY BE
CONTAINED TO AREAS WEST OF THE JAMES RIVER AND THROUGH THE LOWER
MISSOURI RIVER CORRIDOR...NORTHWEST WINDS GUSTING TO 45 TO 55 MPH
WILL CREATE CRITICAL FIRE WEATHER CONDITIONS ACROSS MUCH OF
SOUTHEAST SOUTH DAKOTA...EXTREME NORTHEAST NEBRASKA...AND THE
LOESS HILLS REGION OF NORTHWEST IOWA. THESE CONDITIONS...COMBINED
WITH EXTREMELY DRY VEGETATION...WILL ALLOW ANY GRASS FIRES TO
BECOME FAST MOVING AND INTENSE. HIGHER HUMIDITY WEDNESDAY NIGHT
AND THURSDAY WILL LESSEN THE FIRE DANGER DESPITE THE CONTINUED
STRONG WINDS.

IAZ300-NEZ249-SDZ255>258-172215-
/O.CON.KFSD.FW.W.0029.121017T1800Z-121018T0000Z/
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-
908 AM CDT WED OCT 17 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 249...255...256...257...258 AND 300...

* RED FLAG WARNING IN EFFECT FROM 1 PM TO 7 PM CDT WEDNESDAY FOR 
  THE FOLLOWING AREAS...IN IOWA...FIRE WEATHER ZONE 300. IN 
  NEBRASKA... FIRE WEATHER ZONE 249. IN SOUTH DAKOTA...FIRE 
  WEATHER ZONES 255... 256...257 AND 258. 

* WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS UP TO 50 MPH.

* RELATIVE HUMIDITY...AS LOW AS 25 TO 30 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.

&&

$$
126 
WWUS83 KFSD 172036
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
336 PM CDT WED OCT 17 2012

...CRITICAL FIRE CONDITIONS THIS AFTERNOON ACROSS MUCH OF
SOUTHEAST SOUTH DAKOTA...EXTREME NORTHEAST NEBRASKA...AND THE
LOESS HILLS OF NORTHWEST IOWA DUE TO VERY STRONG NORTHWEST WINDS
AND LOW HUMIDITY...

MUCH WINDIER CONDITIONS TODAY WILL PRODUCE A SIGNIFICANT IMPACT
ON FIRE WEATHER ACROSS MUCH OF THE AREA. WHILE THE LOWEST
RELATIVE HUMIDITY VALUES FROM 20 TO 30 PERCENT WILL LIKELY BE
CONTAINED TO AREAS WEST OF THE JAMES RIVER AND THROUGH THE LOWER
MISSOURI RIVER CORRIDOR...NORTHWEST WINDS GUSTING TO 45 TO 55 MPH
WILL CREATE CRITICAL FIRE WEATHER CONDITIONS ACROSS MUCH OF
SOUTHEAST SOUTH DAKOTA...EXTREME NORTHEAST NEBRASKA...AND THE
LOESS HILLS REGION OF NORTHWEST IOWA. THESE CONDITIONS...COMBINED
WITH EXTREMELY DRY VEGETATION...WILL ALLOW ANY GRASS FIRES TO
BECOME FAST MOVING AND INTENSE. HIGHER HUMIDITY WEDNESDAY NIGHT
AND THURSDAY WILL LESSEN THE FIRE DANGER DESPITE THE CONTINUED
STRONG WINDS.

IAZ300-NEZ249-SDZ255>258-180000-
/O.CON.KFSD.FW.W.0029.000000T0000Z-121018T0000Z/
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-
336 PM CDT WED OCT 17 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 249...
255...256...257...258 AND 300...

* RED FLAG WARNING IN EFFECT FROM 1 PM TO 7 PM CDT WEDNESDAY FOR 
  THE FOLLOWING AREAS...IN IOWA...FIRE WEATHER ZONE 300. IN 
  NEBRASKA... FIRE WEATHER ZONE 249. IN SOUTH DAKOTA...FIRE 
  WEATHER ZONES 255... 256...257 AND 258. 

* WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS UP TO 50 MPH.

* RELATIVE HUMIDITY...AS LOW AS 25 TO 30 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.

&&

$$
937 
WWUS83 KFSD 180002
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
702 PM CDT WED OCT 17 2012


IAZ300-NEZ249-SDZ255>258-180115-
/O.EXP.KFSD.FW.W.0029.000000T0000Z-121018T0000Z/
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-
702 PM CDT WED OCT 17 2012

...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 249...255...256...257...258 AND
300...

WITH TEMPERATURES COOLING AND HUMIDITY RISING THIS EVENING...THE
THREAT FOR RED FLAG CONDITIONS WILL DECREASE. VERY STRONG NORTHWEST
WINDS WILL CONTINUE INTO THURSDAY.

$$

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 16, 2:46 PM CDTHigh Wind WatchFSDAurora, Beadle, Bon Homme, Brule, Charles Mix, Davison and 7 more24 hr
Oct 16, 2:46 PM CDTWind AdvisoryFSDAurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more61 hr
Oct 16, 2:46 PM CDTWind AdvisoryFSDAurora, Bon Homme, Brookings, Brule, Charles Mix, Clay and 16 more61 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.