Alert archive / Iowa / Red Flag Warnings in 2011

Red Flag Warning 4, NWS Sioux Falls, SD

May 6, 2011

NWS Sioux Falls, SD issued this red flag warning at May 6, 2011, 3:11 AM CDT. It took effect at May 6, 2011, 12:00 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
May 6, 2011, 3:11 AM CDT (08:11 UTC)
In effect from
May 6, 2011, 12:00 PM CDT
Expired
May 6, 2011, 6:00 PM CDT
In force
6 hr
Issued by
NWS Sioux Falls, SD

The text

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

691 
WWUS83 KFSD 060811
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
311 AM CDT FRI MAY 6 2011

...RED FLAG FIRE WEATHER CONDITIONS ACROSS NORTHWEST IOWA THIS
AFTERNOON...

.DRY AND WARM WEATHER CAN BE EXPECTED ACROSS NORTHWEST IOWA TODAY.
RELATIVE HUMIDITY WILL DROP TO AROUND 25 PERCENT...WHILE
TEMPERATURES WARM INTO THE 70S...AND SOUTH WINDS INCREASE TO 15
TO 30 MPH BY AFTERNOON. THE COMBINATION OF THESE WEATHER FACTORS WILL
CREATE RED FLAG CONDITIONS ACROSS NORTHWEST IOWA THIS AFTERNOON.

MNZ900-060915-
/O.CAN.KFSD.FW.A.0001.110506T1800Z-110507T0100Z/
SOUTHWEST MINNESOTA-
311 AM CDT FRI MAY 6 2011

...FIRE WEATHER WATCH IS CANCELLED FOR FIRE WEATHER ZONE 900...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
FIRE WEATHER WATCH. 


$$

IAZ300-301-062015-
/O.UPG.KFSD.FW.A.0001.110506T1800Z-110507T0100Z/
/O.NEW.KFSD.FW.W.0004.110506T1700Z-110506T2300Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-
311 AM CDT FRI MAY 6 2011

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CDT THIS
EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
300 AND 301...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM CDT THIS
EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 300 NORTHERN 
  LOESS HILLS AND FLOYD RIVER BASIN...FIRE WEATHER ZONE 301 
  IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS. 

* WIND...SOUTH INCREASING TO 15 TO 30 MPH.

* HUMIDITY...LOWERING TO AROUND 25 PERCENT IN THE AFTERNOON.

* IMPACTS...ANY FIRES THAT START IN LINGERING DORMANT GRASSES 
  OR ELSEWHERE WILL SPREAD VERY RAPIDLY IF THESE CONDITIONS 
  DEVELOP.


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.

&&

$$


HTTP://WEATHER.GOV/SIOUXFALLS
2 follow-up statements
603 
WWUS83 KFSD 061530
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1030 AM CDT FRI MAY 6 2011

...RED FLAG FIRE WEATHER CONDITIONS ACROSS NORTHWEST IOWA THIS
AFTERNOON...

.DRY AND WARM WEATHER CAN BE EXPECTED ACROSS NORTHWEST IOWA
TODAY. RELATIVE HUMIDITY WILL DROP TO AROUND 25 PERCENT...WHILE
TEMPERATURES WARM INTO THE 70S...AND SOUTH WINDS INCREASE TO
15 TO 30 MPH BY AFTERNOON. THE COMBINATION OF THESE WEATHER
FACTORS WILL CREATE RED FLAG CONDITIONS ACROSS NORTHWEST IOWA
THIS AFTERNOON.

IAZ300-301-062300-
/O.CON.KFSD.FW.W.0004.110506T1700Z-110506T2300Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-
1030 AM CDT FRI MAY 6 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 300 AND
301...

* AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 300 NORTHERN 
  LOESS HILLS AND FLOYD RIVER BASIN...FIRE WEATHER ZONE 301 
  IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS.

* WIND...SOUTH INCREASING TO 15 TO 30 MPH.

* HUMIDITY...LOWERING TO AROUND 25 PERCENT IN THE AFTERNOON.

* IMPACTS...ANY FIRES THAT START IN LINGERING DORMANT GRASSES 
  OR ELSEWHERE WILL SPREAD VERY RAPIDLY IF THESE CONDITIONS 
  DEVELOP.

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.

&&

$$


HTTP://WEATHER.GOV/SIOUXFALLS
747 
WWUS83 KFSD 062306
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
606 PM CDT FRI MAY 6 2011


IAZ300-301-070015-
/O.EXP.KFSD.FW.W.0004.000000T0000Z-110506T2300Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-
606 PM CDT FRI MAY 6 2011

...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW HUMIDITY
FOR FIRE WEATHER ZONES 300 AND 301...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 

W

$$

SCHUMACHER
HTTP://WEATHER.GOV/SIOUXFALLS

Nearby

Red Flag Warnings in Iowa, 2011Every red flag warning in 2011

Sources

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