Alert archive / South Dakota / Red Flag Warnings in 2014

Red Flag Warning 3, NWS Sioux Falls, SD

April 21, 2014

NWS Sioux Falls, SD issued this red flag warning at Apr 21, 2014, 2:46 AM CDT. It took effect at Apr 21, 2014, 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
Apr 21, 2014, 2:46 AM CDT (07:46 UTC)
In effect from
Apr 21, 2014, 1:00 PM CDT
Expired
Apr 21, 2014, 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.

990 
WWUS83 KFSD 210746
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
246 AM CDT MON APR 21 2014

IAZ300-301-MNZ900-NEZ249-SDZ256>258-211600-
/O.UPG.KFSD.FW.A.0002.140421T1800Z-140422T0000Z/
/O.NEW.KFSD.FW.W.0003.140421T1800Z-140422T0000Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-SOUTHWEST MINNESOTA-
EXTREME NORTHEAST NEBRASKA-MIDDLE JAMES RIVER VALLEY-
MIDDLE BIG SIOUX RIVER VALLEY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
246 AM CDT MON APR 21 2014

...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...256...257...258...300...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 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WEATHER WATCH IS NO LONGER IN EFFECT.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 
  MINNESOTA...FIRE WEATHER ZONE 900. IN NEBRASKA...FIRE WEATHER 
  ZONE 249. IN SOUTH DAKOTA...FIRE WEATHER ZONES 256...257 AND 
  258.

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

* RELATIVE HUMIDITY...AS LOW AS 21 PERCENT.

* IMPACTS...THE POTENTIAL EXISTS FOR 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
CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$
2 follow-up statements
868 
WWUS83 KFSD 211604
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1104 AM CDT MON APR 21 2014

IAZ300-301-MNZ900-NEZ249-SDZ256>258-220000-
/O.CON.KFSD.FW.W.0003.140421T1800Z-140422T0000Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-SOUTHWEST MINNESOTA-
EXTREME NORTHEAST NEBRASKA-MIDDLE JAMES RIVER VALLEY-
MIDDLE BIG SIOUX RIVER VALLEY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
1104 AM CDT MON APR 21 2014

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 249...
256...257...258...300...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 ZONES 256...257 AND 
  258.

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

* RELATIVE HUMIDITY...AS LOW AS 21 PERCENT.

* IMPACTS...THE POTENTIAL EXISTS FOR 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
CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$
744 
WWUS83 KFSD 220003
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
703 PM CDT MON APR 21 2014


IAZ300-301-MNZ900-NEZ249-SDZ256>258-220115-
/O.EXP.KFSD.FW.W.0003.000000T0000Z-140422T0000Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-SOUTHWEST MINNESOTA-
EXTREME NORTHEAST NEBRASKA-MIDDLE JAMES RIVER VALLEY-
MIDDLE BIG SIOUX RIVER VALLEY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
703 PM CDT MON APR 21 2014

...RED FLAG WARNING HAS EXPIRED FOR STRONG WINDS AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 249...256...257...258...300...301
AND 900...

EVENING COOLING HAS BEGUN. INCREASING RELATIVE HUMIDITY DUE TO THE
COOLING WILL CONTINUE...AND WINDS WILL CONTINUE DECREASE STEADILY.

$$

Nearby

Red Flag Warnings in South Dakota, 2014Red Flag Warnings in Nebraska, 2014Red Flag Warnings in Iowa, 2014Every red flag warning in 2014

Sources

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