Alert archive / South Dakota / Red Flag Warnings in 2012

Red Flag Warning 13, NWS Sioux Falls, SD

August 28, 2012

NWS Sioux Falls, SD issued this red flag warning at Aug 28, 2012, 3:59 AM CDT. It took effect at Aug 28, 2012, 2:00 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
Aug 28, 2012, 3:59 AM CDT (08:59 UTC)
In effect from
Aug 28, 2012, 2:00 PM CDT
Expired
Aug 28, 2012, 8:00 PM CDT
In force
6 hr
Issued by
NWS Sioux Falls, SD

The text

As transmitted, in the capitals the NWS used until 2016.

589 
WWUS83 KFSD 280859
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
359 AM CDT TUE AUG 28 2012

...GUSTY SOUTH TO SOUTHWEST WINDS AND VERY LOW RELATIVE HUMIDITY
WILL CREATE VERY CRITICAL FIRE WEATHER CONDITIONS TODAY AND AGAIN
ON WEDNESDAY...

.VERY HOT AND DRY CONDITIONS WILL DEVELOP THIS AFTERNOON AHEAD OF
A WEAK FRONTAL BOUNDARY PUSHING BY LATE DAY INTO THE LOWER BRULE
AND EAST CENTRAL SOUTH DAKOTA AREAS. SOUTHERLY WINDS WILL
INCREASE THROUGH THE MORNING...AND REACH 15 TO 20 MPH BY EARLY
AFTERNOON...WITH GUSTS AT TIMES TO AROUND 30 MPH...ESPECIALLY
THROUGH THE LOWER MISSOURI VALLEY AND INTO NORTHEAST NEBRASKA.
WITH VEGETATION RAVAGED BY DROUGHT CONDITIONS...CRITICAL FIRE
BEHAVIOR IS LIKELY SOUTH OF INTERSTATE 90...AS FAR WEST AS
PARKSTON AND AVON...AND EAST TO THE IOWA BORDER.

ON WEDNESDAY...THE FRONTAL BOUNDARY WILL SETTLE SOUTHWARD AND
STALL NEAR OR JUST SOUTH OF INTERSTATE 90. CONDITIONS SOUTH OF
THIS BOUNDARY BY AFTERNOON WILL AGAIN FEATURE POTENTIAL FOR
GUSTY SOUTH WINDS AND VERY LOW HUMIDITIES OF 15 TO 20 PERCENT.
WITH THE UNCERTAINTY IN THE LOCATION OF THIS BOUNDARY...A FIRE
WEATHER WATCH HAS BEEN ISSUED GENERALLY FOR AREAS SOUTH OF
INTERSTATE 90 IN SOUTH DAKOTA AND NORTHEAST NEBRASKA...WITH MOST
DANGEROUS FIRE WEATHER CONDITIONS AGAIN MORE LIKELY TOWARD THE
MISSOURI RIVER.

IT IS LIKELY THAT FIRE BEHAVIOR WILL AGAIN BE CRITICAL IN MANY
AREAS ON THURSDAY AS THE WARM FRONTAL BOUNDARY LIFTS NORTHWARD...
AND THE ENTIRE AREA PUSHES INTO THE WARM SECTOR AHEAD OF AN
ADVANCING COLD FRONT. STRONG SOUTHWEST WINDS AND EXTREMELY LOW
HUMIDITY LEVELS SHOULD BRING THE NEED FOR ADDITIONAL FIRE WEATHER
HIGHLIGHTS.

NEZ249-SDZ258-281700-
/O.NEW.KFSD.FW.W.0013.120828T1900Z-120829T0100Z/
/O.NEW.KFSD.FW.A.0012.120829T1800Z-120830T0200Z/
EXTREME NORTHEAST NEBRASKA-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
359 AM CDT TUE AUG 28 2012

...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM
CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 249 AND 258...
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 249 AND 258...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM 2 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING. A FIRE WEATHER
WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH FOR WIND AND
LOW RELATIVE HUMIDITY IS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING.

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 249. IN SOUTH 
  DAKOTA...FIRE WEATHER ZONE 258.

* WINDS...SOUTH 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 16 PERCENT.

* IMPACTS...ANY FIRES THAT IGNITE WILL SPREAD RAPIDLY. POSTPONE
  OUTDOOR BURNING. FIGHTING FIRES AT THE FLANKS IS RECOMMENDED IN
  RED FLAG CONDITIONS.

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.

&&

$$

SDZ255-281700-
/O.NEW.KFSD.FW.A.0012.120829T1800Z-120830T0200Z/
LOWER BRULE AND LAKE ANDES VICINITY-
359 AM CDT TUE AUG 28 2012

...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONE 255...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A FIRE
WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING.

* AFFECTED AREA...IN SOUTH DAKOTA...FIRE WEATHER ZONE 255.

* WINDS...SOUTH 12 TO 18 MPH WITH GUSTS UP TO 25 MPH.

* RELATIVE HUMIDITY...AS LOW AS 15 PERCENT.

* IMPACTS...ANY FIRES THAT IGNITE MAY SPREAD RAPIDLY. OUTDOOR
  BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
MAY OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG
WARNINGS.

&&

$$

CHAPMAN
2 follow-up statements
273 
WWUS83 KFSD 281610
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1110 AM CDT TUE AUG 28 2012

...GUSTY SOUTH TO SOUTHWEST WINDS AND VERY LOW RELATIVE HUMIDITY
WILL CREATE VERY CRITICAL FIRE WEATHER CONDITIONS TODAY AND AGAIN
ON WEDNESDAY...

.VERY HOT AND DRY CONDITIONS WILL DEVELOP THIS AFTERNOON AHEAD OF
A WEAK FRONTAL BOUNDARY PUSHING BY LATE DAY INTO THE LOWER BRULE
AND EAST CENTRAL SOUTH DAKOTA AREAS. SOUTHERLY WINDS WILL
INCREASE THROUGH THE MORNING...AND REACH 15 TO 20 MPH BY EARLY
AFTERNOON...WITH GUSTS AT TIMES TO AROUND 30 MPH...ESPECIALLY
THROUGH THE LOWER MISSOURI VALLEY AND INTO NORTHEAST NEBRASKA.
WITH VEGETATION RAVAGED BY DROUGHT CONDITIONS...CRITICAL FIRE
BEHAVIOR IS LIKELY SOUTH OF INTERSTATE 90...AS FAR WEST AS
PARKSTON AND AVON...AND EAST TO THE IOWA BORDER.

ON WEDNESDAY...THE FRONTAL BOUNDARY WILL SETTLE SOUTHWARD AND
STALL NEAR OR JUST SOUTH OF INTERSTATE 90. CONDITIONS SOUTH OF
THIS BOUNDARY BY AFTERNOON WILL AGAIN FEATURE POTENTIAL FOR GUSTY
SOUTH WINDS AND VERY LOW HUMIDITIES OF 15 TO 20 PERCENT. WITH THE
UNCERTAINTY IN THE LOCATION OF THIS BOUNDARY...A FIRE WEATHER
WATCH HAS BEEN ISSUED GENERALLY FOR AREAS SOUTH OF INTERSTATE
90 IN SOUTH DAKOTA AND NORTHEAST NEBRASKA...WITH MOST DANGEROUS
FIRE WEATHER CONDITIONS AGAIN MORE LIKELY TOWARD THE MISSOURI
RIVER.

IT IS LIKELY THAT FIRE BEHAVIOR WILL AGAIN BE CRITICAL IN MANY
AREAS ON THURSDAY AS THE WARM FRONTAL BOUNDARY LIFTS NORTHWARD...
AND THE ENTIRE AREA PUSHES INTO THE WARM SECTOR AHEAD OF AN
ADVANCING COLD FRONT. STRONG SOUTHWEST WINDS AND EXTREMELY LOW
HUMIDITY LEVELS SHOULD BRING THE NEED FOR ADDITIONAL FIRE WEATHER
HIGHLIGHTS.

NEZ249-SDZ258-282200-
/O.CON.KFSD.FW.W.0013.120828T1900Z-120829T0100Z/
/O.CON.KFSD.FW.A.0012.120829T1800Z-120830T0200Z/
EXTREME NORTHEAST NEBRASKA-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
1110 AM CDT TUE AUG 28 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 249 AND
258...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 249 AND 258...

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 249. IN SOUTH 
  DAKOTA...FIRE WEATHER ZONE 258.

* WINDS...SOUTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 16 PERCENT.

* IMPACTS...ANY FIRES THAT IGNITE WILL SPREAD RAPIDLY. POSTPONE 
  OUTDOOR BURNING. FIGHTING FIRES AT THE FLANKS IS RECOMMENDED 
  IN RED FLAG CONDITIONS. 

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.

&&

$$

SDZ255-282200-
/O.CON.KFSD.FW.A.0012.120829T1800Z-120830T0200Z/
LOWER BRULE AND LAKE ANDES VICINITY-
1110 AM CDT TUE AUG 28 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONE 255...

* AFFECTED AREA...IN SOUTH DAKOTA...FIRE WEATHER ZONE 255.

* WINDS...SOUTH 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* RELATIVE HUMIDITY...AS LOW AS 15 PERCENT.

* IMPACTS...ANY FIRES THAT IGNITE MAY SPREAD RAPIDLY. OUTDOOR 
  BURNING IS NOT RECOMMENDED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
MAY OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG
WARNINGS.

&&

$$
545 
WWUS83 KFSD 282104
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
404 PM CDT TUE AUG 28 2012

...GUSTY SOUTH TO SOUTHWEST WINDS AND VERY LOW RELATIVE HUMIDITY
WILL CREATE VERY CRITICAL FIRE WEATHER THROUGH THIS EVENING AND THEN AGAIN
ON WEDNESDAY...

.VERY HOT AND DRY CONDITIONS WILL CONTINUE THIS AFTERNOON AHEAD OF
A WEAK FRONTAL BOUNDARY MOVING INTO THE LOWER BRULE AND EAST
CENTRAL SOUTH DAKOTA AREAS. SOUTHERLY WINDS OF 15 TO 20 MPH WITH
GUSTS AT TIMES TO AROUND 30 MPH...ESPECIALLY THROUGH THE LOWER
MISSOURI VALLEY AND INTO NORTHEAST NEBRASKA. WITH VEGETATION
RAVAGED BY DROUGHT CONDITIONS...CRITICAL FIRE BEHAVIOR IS EXPECTED
TO CONTINUE SOUTH OF INTERSTATE 90...AS FAR WEST AS PARKSTON AND
AVON...AND EAST TO THE IOWA BORDER.

ON WEDNESDAY...THE FRONTAL BOUNDARY WILL SETTLE SOUTHWARD AND
STALL NEAR OR JUST SOUTH OF INTERSTATE 90. CONDITIONS SOUTH OF
THIS BOUNDARY BY AFTERNOON WILL AGAIN CREATE THE POTENTIAL FOR
GUSTY SOUTH WINDS AND VERY LOW HUMIDITIES OF 15 TO 20 PERCENT.
WITH THE UNCERTAINTY IN THE LOCATION OF THIS BOUNDARY...A FIRE
WEATHER WATCH HAS BEEN ISSUED GENERALLY FOR AREAS SOUTH OF
INTERSTATE 90 IN SOUTH DAKOTA AND NORTHEAST NEBRASKA...WITH MOST
DANGEROUS FIRE WEATHER CONDITIONS AGAIN MORE LIKELY TOWARD THE
MISSOURI RIVER.

FIRE BEHAVIOR WILL AGAIN BE CRITICAL IN MANY AREAS ON THURSDAY AS
THE WARM FRONTAL BOUNDARY LIFTS NORTHWARD... AND THE ENTIRE AREA
PUSHES INTO THE WARM SECTOR AHEAD OF AN ADVANCING COLD FRONT.
STRONG SOUTHWEST WINDS AND EXTREMELY LOW HUMIDITY LEVELS WILL
CREATE CRITICAL FIRE WEATHER CONDITIONS. 

NEZ249-SDZ258-290515-
/O.NEW.KFSD.FW.A.0013.120830T1700Z-120831T0200Z/
/O.CON.KFSD.FW.W.0013.000000T0000Z-120829T0100Z/
/O.CON.KFSD.FW.A.0012.120829T1800Z-120830T0200Z/
EXTREME NORTHEAST NEBRASKA-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
404 PM CDT TUE AUG 28 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 249 AND
258...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 249 AND 258...
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 249 AND 258...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A FIRE
WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING.

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 249. IN SOUTH 
  DAKOTA...FIRE WEATHER ZONE 258.

* WINDS...SOUTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TIMING...

* RELATIVE HUMIDITY...AS LOW AS 13 PERCENT.

* TEMPERATURES...IN THE MID 80S.

* LIGHTNING...

* IMPACTS...ANY FIRES THAT IGNITE WILL SPREAD RAPIDLY. POSTPONE 
  OUTDOOR BURNING. FIGHTING FIRES AT THE FLANKS IS RECOMMENDED 
  IN RED FLAG CONDITIONS. 

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.

&&

$$

IAZ300-301-MNZ900-SDZ257-290515-
/O.NEW.KFSD.FW.A.0013.120830T1700Z-120831T0200Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-SOUTHWEST MINNESOTA-
MIDDLE BIG SIOUX RIVER VALLEY-
404 PM CDT TUE AUG 28 2012

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 257...300...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 THURSDAY AFTERNOON THROUGH THURSDAY EVENING.

* AFFECTED AREA...IN IOWA...FIRE WEATHER ZONES 300 AND 301. IN 
  MINNESOTA...FIRE WEATHER ZONE 900. IN SOUTH DAKOTA...FIRE 
  WEATHER ZONE 257.

* WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TIMING...

* RELATIVE HUMIDITY...AS LOW AS 16 PERCENT.

* TEMPERATURES...IN THE LOWER 90S.

* LIGHTNING...

* IMPACTS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
MAY OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG
WARNINGS.

&&

$$

SDZ255-290515-
/O.CON.KFSD.FW.A.0012.120829T1800Z-120830T0200Z/
LOWER BRULE AND LAKE ANDES VICINITY-
404 PM CDT TUE AUG 28 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONE 255...

* AFFECTED AREA...IN SOUTH DAKOTA...FIRE WEATHER ZONE 255.

* WINDS...SOUTH 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* RELATIVE HUMIDITY...AS LOW AS 12 PERCENT.

* IMPACTS...ANY FIRES THAT IGNITE MAY SPREAD RAPIDLY. OUTDOOR 
  BURNING IS NOT RECOMMENDED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
MAY OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG
WARNINGS.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 28, 3:59 AM CDTFire Weather WatchFSD24 hr
Aug 28, 4:04 PM CDTFire Weather WatchFSD36 hr

Nearby

Red Flag Warnings in South Dakota, 2012Red Flag Warnings in Nebraska, 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.