Alert archive / South Dakota / Red Flag Warnings in 2012

Red Flag Warning 25, NWS Sioux Falls, SD

October 3, 2012

NWS Sioux Falls, SD issued this red flag warning at Oct 3, 2012, 3:41 AM CDT. It took effect at Oct 3, 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 3, 2012, 3:41 AM CDT (08:41 UTC)
In effect from
Oct 3, 2012, 1:00 PM CDT
Expired
Oct 3, 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.

992 
WWUS83 KFSD 030841
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
341 AM CDT WED OCT 3 2012

...RED FLAG WARNING WEDNESDAY AFTERNOON AND EARLY EVENING FOR
STRONG WINDS...AND VERY DRY HUMIDITY VALUES ONCE AGAIN...

.A STRONG COLD FRONT WILL MOVE EASTWARD TO THE NEAR JAMES RIVER
VALLEY BY LATE AFTERNOON. BEHIND THE FRONT... WINDS WILL BECOME
NORTHWEST AND WILL BE VERY STRONG...AVERAGING 25 TO 45 MPH IN
SOUTH CENTRAL SOUTH DAKOTA. THIS WILL BE COUPLED WITH HUMIDITY
VALUES FALLING TO NEAR 25 PERCENT. AHEAD OF THE FRONT... THE WINDS
WILL BE FROM THE SOUTH ROUGHLY FROM AREAS AROUND YANKTON AND
POINTS EASTWARD. THE SOUTHERLY WINDS WILL AVERAGE 15 TO 30 MPH
THROUGH THE AFTERNOON...WITH HUMIDITY VALUES FALLING TO AROUND 18
TO PERCENT.

IAZ300-301-NEZ249-SDZ255-258-031645-
/O.UPG.KFSD.FW.A.0020.121003T1800Z-121004T0000Z/
/O.NEW.KFSD.FW.W.0025.121003T1800Z-121004T0000Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-
EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
341 AM CDT WED OCT 3 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 249...255...258...300 AND 301...

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WEATHER WATCH IS NO LONGER IN EFFECT.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 IOWA...FIRE WEATHER ZONES 300 AND 301. IN 
  NEBRASKA...FIRE WEATHER ZONE 249. IN SOUTH DAKOTA...FIRE 
  WEATHER ZONES 255 AND 258.

* WINDS...SOUTH 15 TO 25 MPH WITH GUSTS UP TO 35 MPH WILL SWITCH
  AND BECOME NORTHWEST LATE THIS AFTERNOON WITH SUSTAINED SPEEDS
  OF 25 TO 35 MPH WITH GUSTS TO 45 MPH.

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

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED. 

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-SDZ256-257-031645-
/O.NEW.KFSD.FW.W.0025.121003T1800Z-121004T0000Z/
SOUTHWEST MINNESOTA-MIDDLE JAMES RIVER VALLEY-
MIDDLE BIG SIOUX RIVER VALLEY-
341 AM CDT WED OCT 3 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.

* AFFECTED AREA...IN MINNESOTA...FIRE WEATHER ZONE 900. IN SOUTH 
  DAKOTA...FIRE WEATHER ZONES 256 AND 257.

* WINDS...SOUTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...AS LOW AS 15 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.

&&

$$
2 follow-up statements
455 
WWUS83 KFSD 031553
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1053 AM CDT WED OCT 3 2012

...RED FLAG WARNING THIS AFTERNOON AND EARLY EVENING FOR STRONG
WINDS...AND VERY DRY HUMIDITY VALUES ONCE AGAIN...

.A STRONG COLD FRONT WILL MOVE EASTWARD TO THE NEAR JAMES RIVER
VALLEY BY VERY LATE AFTERNOON AND EARLY EVENING. BEHIND THE FRONT...
WINDS WILL BECOME NORTHWEST AND WILL BE VERY STRONG BY LATE 
AFTERNOON...AVERAGING 25 TO 45 MPH IN SOUTH CENTRAL SOUTH DAKOTA.
THIS WILL BE COUPLED WITH HUMIDITY VALUES FALLING TO 20 TO 25
PERCENT. AHEAD OF THE FRONT...THE WINDS WILL BE FROM THE SOUTH BUT
HUMIDITY VALUES WILL STILL FALL TO 15 TO 20 PERCENT. WIND SPEEDS 
WILL AVERAGE 15 TO 30 MPH...ALTHOUGH SPEEDS WILL LIKELY BE A
LITTLE STRONGER IN SOUTHEAST SOUTH DAKOTA...EXTREME NORTHEAST
NEBRASKA AND ALONG THE BIG SIOUX RIVER IN NORTHWEST IOWA. 

IAZ300-301-MNZ900-NEZ249-SDZ255>258-040000-
/O.CON.KFSD.FW.W.0025.121003T1800Z-121004T0000Z/
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-
1053 AM CDT WED OCT 3 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...300...301 AND 900...

* AFFECTED AREAS...ALL OF NORTHWEST IOWA...ALL OF SOUTHWEST
  MINNESOTA...EXTREME NORTHEAST NEBRASKA...AND THE SOUTHEAST
  QUARTER OF SOUTH DAKOTA. 

* WINDS...AHEAD OF THE COLD FRONT ROUGHLY ALONG AND EAST OF A
  TYNDALL SOUTH DAKOTA TO HURON SOUTH DAKOTA LINE...SOUTH WINDS
  WILL AVERAGE 15 TO 30 MPH...ALTHOUGH SPEEDS WILL BE A LITTLE
  STRONGER IN SOUTHEAST SOUTH DAKOTA...EXTREME NORTHEAST NEBRASKA
  AND ALONG THE BIG SIOUX RIVER IN NORTHWEST IOWA. BEHIND THE
  FRONT...WINDS WILL BECOME WEST AND INCREASE TO 25 TO 45 MPH BY
  LATE AFTERNOON. 

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

* IMPACTS...FIRE IGNITION IS VERY HIGH TODAY WITH RAPID RATES OF
  SPREAD. OUTDOOR BURNING SHOULD NOT OCCUR. 

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.

&&

$$
711 
WWUS83 KFSD 032348
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
648 PM CDT WED OCT 3 2012

IAZ300-301-MNZ900-NEZ249-SDZ255>258-040100-
/O.EXP.KFSD.FW.W.0025.000000T0000Z-121004T0000Z/
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-
648 PM CDT WED OCT 3 2012

...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING FOR WIND
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 249... 255...
256...257...258...300...301 AND 900...

WHILE RED FLAG CONDITIONS HAVE DISSIPATED...VERY STRONG NORTHWEST
WINDS WILL MOVE THROUGH THE REGION TONIGHT. A FEW GUSTS COULD
APPROACH 50 MPH ALONG AND WEST OF THE JAMES RIVER EARLY THIS
EVENING WITH A FEW GUSTS TO THE EAST OF THE JAMES RIVER LATER IN
THE EVENING.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 3, 3:32 PM CDTWind AdvisoryFSDAurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more26 hr

Nearby

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