Alert archive / Iowa / Red Flag Warnings in 2012

Red Flag Warning 26, NWS Sioux Falls, SD

October 8, 2012

NWS Sioux Falls, SD issued this red flag warning at Oct 8, 2012, 3:14 AM CDT. It took effect at Oct 8, 2012, 12:00 PM CDT. It was in force for 7 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 8, 2012, 3:14 AM CDT (08:14 UTC)
In effect from
Oct 8, 2012, 12:00 PM CDT
Expired
Oct 8, 2012, 7:00 PM CDT
In force
7 hr
Issued by
NWS Sioux Falls, SD

The text

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

753 
WWUS83 KFSD 080814
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
314 AM CDT MON OCT 8 2012

...RED FLAG WARNING THIS AFTERNOON FOR ALL OF SOUTHWEST
MINNESOTA...NORTHWEST IOWA...NORTHEAST NEBRASKA AND PART OF
SOUTHEAST SOUTH DAKOTA...

.GUSTY SOUTHWEST WINDS OF 15 TO 30 MPH...WITH GUSTS TO 35 MPH WILL
DEVELOP BY LATE MORNING AHEAD OF A COLD FRONT...GRADUALLY SHIFTING
TO THE WEST IN THE AFTERNOON. RELATIVE HUMIDITY WILL DROP TO NEAR
20 PERCENT. THESE CONDITIONS COMBINED WITH THE VERY DRY VEGETATION
WILL PRODUCE DANGEROUS WILDFIRE CONDITIONS DURING THE AFTERNOON
HOURS. 

IAZ301-MNZ900-081615-
/O.UPG.KFSD.FW.A.0021.121008T1700Z-121009T0000Z/
/O.NEW.KFSD.FW.W.0026.121008T1700Z-121009T0000Z/
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-SOUTHWEST MINNESOTA-
314 AM CDT MON OCT 8 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
301 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 NOON TODAY TO 7 PM CDT THIS EVENING. THE FIRE WEATHER WATCH
IS NO LONGER IN EFFECT.

* AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 301. IN 
  MINNESOTA... FIRE WEATHER ZONE 900.

* WINDS...SOUTHWEST INCREASING TO 15 TO 30 MPH WITH GUSTS UP TO 35
  MPH.

* RELATIVE HUMIDITY...AS LOW AS 19 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.

&&

$$

IAZ300-NEZ249-SDZ258-081615-
/O.NEW.KFSD.FW.W.0026.121008T1700Z-121009T0000Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
EXTREME NORTHEAST NEBRASKA-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
314 AM CDT MON OCT 8 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
249...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 NOON TODAY TO 7 PM CDT THIS EVENING.

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

* WINDS...SOUTHWEST INCREASING TO 15 TO 30 MPH WITH GUSTS UP TO 35
  MPH SHIFTING TO THE WEST DURING THE AFTERNOON..

* RELATIVE HUMIDITY...AS LOW AS 16 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.

&&

$$
2 follow-up statements
769 
WWUS83 KFSD 081606
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1106 AM CDT MON OCT 8 2012

...RED FLAG WARNING THIS AFTERNOON FOR ALL OF SOUTHWEST
MINNESOTA...NORTHWEST IOWA...NORTHEAST NEBRASKA AND PART OF
SOUTHEAST SOUTH DAKOTA...

.GUSTY SOUTHWEST WINDS OF 15 TO 30 MPH WILL CONTINUE INTO THE
AFTERNOON...GRADUALLY SHIFTING TO THE WEST AND NORTHWEST IN THE
AFTERNOON. RELATIVE HUMIDITY WILL DROP TO 20 TO 25 PERCENT. THESE
CONDITIONS COMBINED WITH THE VERY DRY VEGETATION WILL PRODUCE
DANGEROUS WILDFIRE CONDITIONS DURING THE AFTERNOON HOURS.

IAZ300-301-MNZ900-NEZ249-SDZ258-090000-
/O.CON.KFSD.FW.W.0026.121008T1700Z-121009T0000Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-SOUTHWEST MINNESOTA-
EXTREME NORTHEAST NEBRASKA-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
1106 AM CDT MON OCT 8 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 301 AND
900...

* AFFECTED AREA...IN IOWA...FIRE WEATHER ZONES 300 AND 301. IN 
  MINNESOTA...FIRE WEATHER ZONE 900. IN NEBRASKA...FIRE WEATHER 
  ZONE 249. IN SOUTH DAKOTA...FIRE WEATHER ZONE 258.

* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 20 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.

&&

$$
807 
WWUS83 KFSD 090005
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
705 PM CDT MON OCT 8 2012

IAZ300-301-MNZ900-NEZ249-SDZ258-090115-
/O.EXP.KFSD.FW.W.0026.000000T0000Z-121009T0000Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-SOUTHWEST MINNESOTA-
EXTREME NORTHEAST NEBRASKA-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
705 PM CDT MON OCT 8 2012

...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 249...258...300...301 AND 900...

WINDS WILL CONTINUE TO DIMINISH THROUGH THE EVENING HOURS WITH
RISING RELATIVE HUMIDITY AS TEMPERATURES COOL.

$$

Nearby

Red Flag Warnings in Iowa, 2012Red 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.