Alert archive / Minnesota / Red Flag Warnings in 2012

Red Flag Warning 7, NWS Sioux Falls, SD

April 6, 2012

NWS Sioux Falls, SD issued this red flag warning at Apr 6, 2012, 4:26 AM CDT. It took effect at Apr 6, 2012, 2:00 PM CDT. It was in force for 5 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
Apr 6, 2012, 4:26 AM CDT (09:26 UTC)
In effect from
Apr 6, 2012, 2:00 PM CDT
Expired
Apr 6, 2012, 7:00 PM CDT
In force
5 hr
Issued by
NWS Sioux Falls, SD

The text

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

768 
WWUS83 KFSD 060926
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
426 AM CDT FRI APR 6 2012

...RED FLAG WARNING THIS AFTERNOON FOR SOUTHWEST MINNESOTA FOR
VERY BRISK WINDS AND LOW HUMIDITY VALUES...

.CONDITIONS ARE COMING TOGETHER IN SOUTHWEST MINNESOTA FOR A RED
FLAG EVENT THIS AFTERNOON. LOW HUMIDITY VALUES AND WIND SPEEDS ARE
BOTH PREVALENT AT THE SAME TIME...PRODUCING RED FLAG CONDITIONS.
TO THE SOUTH IN NORTHWEST IOWA...WIND SPEEDS ARE FORECAST TO BE
SLIGHTLY LESS. AND TO THE WEST OF SOUTHWEST MINNESOTA...HUMIDITY
VALUES WILL LIKELY BE A LITTLE HIGHER. 

MNZ900-061730-
/O.NEW.KFSD.FW.W.0007.120406T1900Z-120407T0000Z/
SOUTHWEST MINNESOTA-
426 AM CDT FRI APR 6 2012

...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 7 PM
CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONE 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 2 PM THIS AFTERNOON TO 7 PM CDT THIS EVENING.

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

* WINDS...SOUTHEAST 20 TO 25 MPH WITH GUSTS UP TO 35 MPH.

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

* IMPACTS...TALL VEGETATION IS STILL DORMANT OR DEAD. THEREFORE
  FIRES WILL SPREAD RAPIDLY AND EXHIBIT CRITICAL FIRE
  BEHAVIOR...WITH LONG RANGE SPOTTING AND RAPID RATES OF SPREAD.
  IF FIGHTING FIRES...IT IS RECOMMENDED TO ATTACK THE FIRE FROM
  THE FLANKS AND AVOID THE HEAD OF THE FIRE.

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
301 
WWUS83 KFSD 061552
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1052 AM CDT FRI APR 6 2012

...RED FLAG WARNING THIS AFTERNOON FOR SOUTHWEST MINNESOTA FOR
VERY BRISK WINDS AND LOW HUMIDITY VALUES...

.CONDITIONS ARE COMING TOGETHER IN SOUTHWEST MINNESOTA FOR A RED
FLAG EVENT THIS AFTERNOON. LOW HUMIDITY VALUES AND WIND SPEEDS
ARE BOTH PREVALENT AT THE SAME TIME...PRODUCING RED FLAG
CONDITIONS. TO THE SOUTH IN NORTHWEST IOWA...WIND SPEEDS ARE
FORECAST TO BE SLIGHTLY LESS. AND TO THE WEST OF SOUTHWEST
MINNESOTA...HUMIDITY VALUES WILL LIKELY BE A LITTLE HIGHER.

MNZ900-070000-
/O.CON.KFSD.FW.W.0007.120406T1900Z-120407T0000Z/
SOUTHWEST MINNESOTA-
1052 AM CDT FRI APR 6 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
7 PM CDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONE 900...

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

* WINDS...SOUTH 20 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...AS LOW AS 25 PERCENT.

* IMPACTS...TALL VEGETATION IS STILL DORMANT OR DEAD. THEREFORE FIRES
  WILL SPREAD RAPIDLY AND EXHIBIT CRITICAL FIRE BEHAVIOR... WITH
  LONG RANGE SPOTTING AND RAPID RATES OF SPREAD. IF FIGHTING
  FIRES...IT IS RECOMMENDED TO ATTACK THE FIRE FROM THE FLANKS AND
  AVOID THE HEAD OF THE FIRE.

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.

&&

$$
376 
WWUS83 KFSD 062000
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
300 PM CDT FRI APR 6 2012

...RED FLAG WARNING THROUGH 700 PM THIS EVENING FOR SOUTHWEST
MINNESOTA FOR VERY BRISK WINDS AND LOW HUMIDITY VALUES... 
...FIRE WEATHER WATCH FOR SOUTHEAST SOUTH DAKOTA AND SOUTHWEST
MINNESOTA FOR SATURDAY...

.LOWER HUMIDITY VALUES AND SOUTH WINDS OF 20 TO 30 MPH WILL BE
PREVALENT THIS AFTERNOON...PRODUCING RED FLAG CONDITIONS. TO THE
SOUTH IN NORTHWEST IOWA...WIND SPEEDS WILL BE SLIGHTLY LESS. AND
TO THE WEST OF SOUTHWEST MINNESOTA...HUMIDITY VALUES WILL LIKELY
BE A LITTLE HIGHER. A COOL FRONT WILL SWEEP THROUGH TONIGHT AND 
SET UP ANOTHER DAY OF STRONG WINDS...FROM THE WEST THIS
TIME...INCREASING QUICKLY ON SATURDAY MORNING. 

MNZ900-070400-
/O.NEW.KFSD.FW.A.0008.120407T1800Z-120408T0000Z/
/O.CON.KFSD.FW.W.0007.000000T0000Z-120407T0000Z/
SOUTHWEST MINNESOTA-
300 PM CDT FRI APR 6 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 900...
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONE 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 SATURDAY AFTERNOON THROUGH SATURDAY EVENING.

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

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

* RELATIVE HUMIDITY...AS LOW AS 25 PERCENT.

* IMPACTS...TALL VEGETATION IS STILL DORMANT OR DEAD. THEREFORE
  FIRES WILL SPREAD RAPIDLY AND EXHIBIT CRITICAL FIRE BEHAVIOR...
  WITH LONG RANGE SPOTTING AND RAPID RATES OF SPREAD. IF FIGHTING
  FIRES...IT IS RECOMMENDED TO ATTACK THE FIRE FROM THE FLANKS AND
  AVOID THE HEAD OF THE FIRE.

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>258-070400-
/O.NEW.KFSD.FW.A.0008.120407T1800Z-120408T0000Z/
LOWER BRULE AND LAKE ANDES VICINITY-MIDDLE JAMES RIVER VALLEY-
MIDDLE BIG SIOUX RIVER VALLEY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
300 PM CDT FRI APR 6 2012

...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 255...256...257 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 SATURDAY AFTERNOON THROUGH SATURDAY EVENING.

* AFFECTED AREA...IN SOUTH DAKOTA...FIRE WEATHER ZONES 255... 
  256...257 AND 258.

* WINDS...NORTHWEST 20 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...AS LOW AS 22 PERCENT.

* IMPACTS...TALL VEGETATION IS STILL DORMANT OR DEAD. THEREFORE
  FIRES WILL SPREAD RAPIDLY AND EXHIBIT CRITICAL FIRE BEHAVIOR...
  WITH LONG RANGE SPOTTING AND RAPID RATES OF SPREAD. IF FIGHTING
  FIRES...IT IS RECOMMENDED TO ATTACK THE FIRE FROM THE FLANKS AND
  AVOID THE HEAD OF THE FIRE.

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
Apr 6, 3:00 PM CDTFire Weather WatchFSD12 hr

Nearby

Red Flag Warnings in Minnesota, 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.