Alert archive / South Dakota / Red Flag Warnings in 2015

Red Flag Warning 4, NWS Sioux Falls, SD

March 20, 2015

NWS Sioux Falls, SD issued this red flag warning at Mar 20, 2015, 3:24 AM CDT. It took effect at Mar 20, 2015, 2:00 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
Mar 20, 2015, 3:24 AM CDT (08:24 UTC)
In effect from
Mar 20, 2015, 2:00 PM CDT
Expired
Mar 20, 2015, 8:00 PM CDT
In force
6 hr
Issued by
NWS Sioux Falls, SD

The text

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

681 
WWUS83 KFSD 200824
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
324 AM CDT FRI MAR 20 2015

NEZ249-SDZ255-256-258-201630-
/O.NEW.KFSD.FW.W.0004.150320T1900Z-150321T0100Z/
EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY-
MIDDLE JAMES RIVER VALLEY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
324 AM CDT FRI MAR 20 2015

...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM
CDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 249...255...256 AND 258...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM CDT
THIS EVENING. 

* AFFECTED AREA...FIRE WEATHER ZONE 249. FIRE WEATHER ZONE 255. 
  FIRE WEATHER ZONE 256. FIRE WEATHER ZONE 258. 

* WIND...SOUTHWEST WINDS SUSTAINED AT 15 TO 20 MPH WITH GUSTS TO
  25 MPH CAN BE EXPECTED THIS AFTERNOON. THE WINDS WILL DECREASE
  WITH SUNSET THIS EVENING. 

* HUMIDITY...RELATIVE HUMIDITIES WILL FALL TO 15 TO 25 PERCENT
  THIS AFTERNOON. RELATIVE HUMIDITY VALUES WILL RECOVER TONIGHT
  AS TEMPERATURES DECREASE.


* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$
2 follow-up statements
855 
WWUS83 KFSD 201546
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1046 AM CDT FRI MAR 20 2015


NEZ249-SDZ255-256-258-210100-
/O.CON.KFSD.FW.W.0004.150320T1900Z-150321T0100Z/
EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY-
MIDDLE JAMES RIVER VALLEY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
1046 AM CDT FRI MAR 20 2015

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE
WEATHER ZONES 249...255...256 AND 258...

* AFFECTED AREA...FIRE WEATHER ZONE 249. FIRE WEATHER ZONE 255.
  FIRE WEATHER ZONE 256. FIRE WEATHER ZONE 258. INCLUDING MUCH OF
  SOUTH CENTRAL AND SOUTHEASTERN SOUTH DAKOTA AND EXTREME
  NORTHEASTERN NEBRASKA. 

* WIND...SOUTHWEST WINDS SUSTAINED AT 15 TO 20 MPH WITH GUSTS 
  TO 25 MPH CAN BE EXPECTED THIS AFTERNOON. THE WINDS WILL 
  DECREASE WITH SUNSET THIS EVENING.

* HUMIDITY...RELATIVE HUMIDITIES WILL FALL TO 15 TO 25 PERCENT 
  THIS AFTERNOON. RELATIVE HUMIDITY VALUES WILL RECOVER TONIGHT 
  AS TEMPERATURES DECREASE.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

DUX
827 
WWUS83 KFSD 210055
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
755 PM CDT FRI MAR 20 2015

NEZ249-SDZ255-256-258-210200-
/O.EXP.KFSD.FW.W.0004.000000T0000Z-150321T0100Z/
EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY-
MIDDLE JAMES RIVER VALLEY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
755 PM CDT FRI MAR 20 2015

...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING FOR
STRONG WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
249...255...256 AND 258...

WINDS AND TEMPERATURES...WHICH WERE SLOW TO DECREASE AS THE
EVENING STARTED...WERE DECREASING MORE RAPIDLY AS THE SUN SET. THE
WINDS WILL CONTINUE TO DECREASE AS THE RELATIVE HUMIDITY
INCREASES.

$$

Nearby

Red Flag Warnings in South Dakota, 2015Red Flag Warnings in Nebraska, 2015Every red flag warning in 2015

Sources

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