Red Flag Warning 12, NWS Sioux Falls, SD

Issued

Aug 22, 2012, 3:28 AM CDT (08:28 UTC)

In effect from

Aug 22, 2012, 2:00 PM CDT

Expired

Aug 22, 2012, 8:00 PM CDT

In force

6 hr

Issued by

NWS Sioux Falls, SD

526 
WWUS83 KFSD 220828
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
328 AM CDT WED AUG 22 2012

...GUSTY SOUTH WINDS AND LOW RELATIVE HUMIDITY WILL CREATE
VERY DANGEROUS FIRE WEATHER CONDITIONS THIS AFTERNOON SOUTH OF
INTERSTATE 90...

.A WARM FRONT WILL BE SITUATED TO THE NORTH OF THIS AREA TODAY.
TO THE SOUTH OF THE FRONT...SOUTH TO SOUTHWEST WINDS WILL BECOME
QUITE GUSTY BY AFTERNOON...WITH FREQUENT GUSTS UP TO 30 MPH SOUTH
OF INTERSTATE 90. IN ADDITION...RELATIVE HUMIDITY VALUES WILL FALL
TO AROUND 25 PERCENT. THESE FACTORS...COMBINED WITH TEMPERATURES
IN THE 90S AND SEVERE DROUGHT...WILL CREATE HAZARDOUS FIRE WEATHER
CONDITIONS SOUTH OF A MITCHELL SOUTH DAKOTA...TO SIOUX FALLS TO
JACKSON MINNESOTA LINE.

IAZ300-NEZ249-SDZ258-221700-
/O.UPG.KFSD.FW.A.0011.120822T1900Z-120823T0100Z/
/O.NEW.KFSD.FW.W.0012.120822T1900Z-120823T0100Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
EXTREME NORTHEAST NEBRASKA-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
328 AM CDT WED AUG 22 2012

...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM
CDT THIS EVENING FOR GUSTY WINDS...LOW HUMIDITY VALUES AND VERY DRY 
FUELS FOR FOR FIRE WEATHER ZONES 249...258 AND 300...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A RED FLAG
WARNING FOR GUSTY SOUTH TO SOUTHWEST WINDS...LOW HUMIDITY VALUES
AND VERY DRY FUELS...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON
TO 8 PM CDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN
EFFECT.

* AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 300. IN NEBRASKA...FIRE
  WEATHER ZONE 249. IN SOUTH DAKOTA...FIRE WEATHER ZONE 258.

* WINDS...SOUTH 20 TO 25 MPH WITH FREQUENT GUSTS UP TO 30 MPH.

* TIMING...FROM AROUND 2 PM THIS AFTERNOON INTO EARLY EVENING.

* RELATIVE HUMIDITY...NEAR 25 PERCENT. 

* TEMPERATURES...AFTERNOON READINGS OF 90 TO 95.

* IMPACTS...ANY FIRES THAT DEVELOP 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.

&&

$$

IAZ301-221700-
/O.NEW.KFSD.FW.W.0012.120822T1900Z-120823T0100Z/
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-
328 AM CDT WED AUG 22 2012

...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM
CDT THIS EVENING FOR GUSTY WINDS...LOW HUMIDITY VALUES AND VERY 
DRY FUELS FOR FIRE WEATHER ZONE 301...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A RED FLAG
WARNING FOR GUSTY SOUTH TO SOUTHWEST WINDS...LOW HUMIDITY VALUES
AND VERY DRY FUELS...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON
TO 8 PM CDT THIS EVENING. 

* AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 301.

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

* TIMING...FROM AROUND 2 PM THIS AFTERNOON INTO EARLY EVENING.

* RELATIVE HUMIDITY...NEAR 25 PERCENT. 

* TEMPERATURES...IN THE UPPER 80S.

* IMPACTS...ANY FIRES THAT DEVELOP 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.

&&

$$

095 
WWUS83 KFSD 221628
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1128 AM CDT WED AUG 22 2012

...GUSTY SOUTH WINDS AND LOW RELATIVE HUMIDITY WILL CREATE VERY
DANGEROUS FIRE WEATHER CONDITIONS THIS AFTERNOON SOUTH OF
INTERSTATE 90...

.A WARM FRONT WILL BE SITUATED TO THE NORTH OF THIS AREA TODAY.
TO THE SOUTH OF THE FRONT...SOUTH TO SOUTHWEST WINDS WILL BECOME
QUITE GUSTY BY AFTERNOON...WITH FREQUENT GUSTS UP TO 30 MPH SOUTH
OF INTERSTATE 90. IN ADDITION...RELATIVE HUMIDITY VALUES WILL
FALL TO AROUND 25 PERCENT. THESE FACTORS...COMBINED WITH
TEMPERATURES IN THE 90S AND SEVERE DROUGHT...WILL CREATE
HAZARDOUS FIRE WEATHER CONDITIONS SOUTH OF A MITCHELL SOUTH
DAKOTA...TO SIOUX FALLS TO JACKSON MINNESOTA LINE.

IAZ300-301-NEZ249-SDZ258-230030-
/O.CON.KFSD.FW.W.0012.120822T1900Z-120823T0100Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-
EXTREME NORTHEAST NEBRASKA-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
1128 AM CDT WED AUG 22 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
FOR GUSTY WINDS...LOW HUMIDITY VALUES AND VERY DRY FUELS FOR FIRE
WEATHER ZONE 301...

* AFFECTED AREA...IN IOWA...FIRE WEATHER ZONES 300 AND 301. 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.

* TIMING...FROM AROUND 2 PM THIS AFTERNOON INTO EARLY EVENING.

* RELATIVE HUMIDITY...AS LOW AS 24 PERCENT.

* TEMPERATURES...IN THE LOWER 90S.

* IMPACTS...ANY FIRES THAT DEVELOP 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.

&&

$$

071 
WWUS83 KFSD 230110
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
810 PM CDT WED AUG 22 2012

IAZ300-301-NEZ249-SDZ258-230215-
/O.EXP.KFSD.FW.W.0012.000000T0000Z-120823T0100Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-
EXTREME NORTHEAST NEBRASKA-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
810 PM CDT WED AUG 22 2012

...RED FLAG WARNING HAS EXPIRED...

WINDS HAVE DIMINISHED AND COOLING TEMPERATURES HAVE ALLOWED RELATIVE
HUMIDITY LEVELS TO BEGIN RECOVERING...THUS THE RED FLAG WARNING HAS
BEEN ALLOWED TO EXPIRE.

GUSTY WINDS ARE EXPECTED OVER PART OF THE AREA AGAIN ON THURSDAY.
HOWEVER TEMPERATURES SHOULD REMAIN SLIGHTLY COOLER THAN TODAY...WHICH
WILL KEEP MINIMUM RELATIVE HUMIDITY LEVELS CLOSER TO 40 PERCENT.

$$

Red Flag Warnings in South Dakota, 2012Red Flag Warnings in Iowa, 2012Red Flag Warnings in Nebraska, 2012Every red flag warning in 2012

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.