Alert archive / South Dakota / Red Flag Warnings in 2013

Red Flag Warning 4, NWS Sioux Falls, SD

September 30, 2013

NWS Sioux Falls, SD issued this red flag warning at Sep 30, 2013, 2:47 AM CDT. It took effect at Sep 30, 2013, 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
Sep 30, 2013, 2:47 AM CDT (07:47 UTC)
In effect from
Sep 30, 2013, 2:00 PM CDT
Expired
Sep 30, 2013, 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.

842 
WWUS83 KFSD 300747
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
247 AM CDT MON SEP 30 2013

IAZ300-301-NEZ249-SDZ255-258-301700-
/O.UPG.KFSD.FW.A.0002.130930T1900Z-131001T0000Z/
/O.NEW.KFSD.FW.W.0004.130930T1900Z-131001T0000Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-
EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
247 AM CDT MON SEP 30 2013

...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 ZONES 249...255...258...300 AND 301...

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. THE FIRE
WEATHER WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA...IN IOWA...FIRE WEATHER ZONES 300 AND 301. IN 
  NEBRASKA...FIRE WEATHER ZONE 249. IN SOUTH DAKOTA...FIRE 
  WEATHER ZONES 255 AND 258.

* WINDS...SOUTHWEST 15 TO 25 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
CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

SDZ256-301700-
/O.CON.KFSD.FW.A.0002.130930T1900Z-131001T0000Z/
MIDDLE JAMES RIVER VALLEY-
247 AM CDT MON SEP 30 2013

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM 2 PM CDT THIS
AFTERNOON THROUGH THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY
FOR FIRE WEATHER ZONE 256...

* AFFECTED AREA...IN SOUTH DAKOTA...FIRE WEATHER ZONE 256.

* WINDS...SOUTHWEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* RELATIVE HUMIDITY...AS LOW AS 19 PERCENT.

* IMPACTS...THE POTENTIAL EXISTS FOR RAPIDLY SPREADING GRASSLAND 
  FIRES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
MAY OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG
WARNINGS.

&&

$$
3 follow-up statements
908 
WWUS83 KFSD 301524
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1024 AM CDT MON SEP 30 2013

SDZ256-301630-
/O.CAN.KFSD.FW.A.0002.130930T1900Z-131001T0000Z/
MIDDLE JAMES RIVER VALLEY-
1024 AM CDT MON SEP 30 2013

...FIRE WEATHER WATCH IS CANCELLED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONE 256...

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

SURFACE WINDS ARE NOT EXPECTED TO GET STRONG ENOUGH TO REACH
WARNING CRITERIA...THEREFORE...THE WATCH IS CANCELED. 

$$

IAZ300-301-NEZ249-SDZ255-258-302330-
/O.CON.KFSD.FW.W.0004.130930T1900Z-131001T0000Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-
EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
1024 AM CDT MON SEP 30 2013

...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 ZONES 249...255...258...300 AND 301...

* AFFECTED AREA...IN IOWA...FIRE WEATHER ZONES 300 AND 301. IN 
  NEBRASKA...FIRE WEATHER ZONE 249. IN SOUTH DAKOTA...FIRE 
  WEATHER ZONES 255 AND 258.

* WINDS...SOUTHWEST 10 TO 20 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
CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$
592 
WWUS83 KFSD 302029
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
329 PM CDT MON SEP 30 2013

IAZ300-301-NEZ249-SDZ255-258-010000-
/O.CON.KFSD.FW.W.0004.000000T0000Z-131001T0000Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-
EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
329 PM CDT MON SEP 30 2013

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 249...
255...258...300 AND 301...

* AFFECTED AREA...IN IOWA...FIRE WEATHER ZONES 300 AND 301. IN 
  NEBRASKA...FIRE WEATHER ZONE 249. IN SOUTH DAKOTA...FIRE 
  WEATHER ZONES 255 AND 258.

* WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 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
CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$
715 
WWUS83 KFSD 302349
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
649 PM CDT MON SEP 30 2013

IAZ300-301-NEZ249-SDZ255-258-010100-
/O.EXP.KFSD.FW.W.0004.000000T0000Z-131001T0000Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-
EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
649 PM CDT MON SEP 30 2013

...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING FOR WIND
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 249...255...
258...300 AND 301...

GUSTY SOUTHWEST WINDS WILL CONTINUE TO DECREASE AS A TROUGH NOSES
INTO SOUTH CENTRAL SOUTH DAKOTA. THIS WILL LOWER THE FIRE WEATHER
THREAT FOR THE REMAINDER OF THE EVENING. BEHIND THIS SYSTEM...BREEZY
NORTHWEST WINDS WILL ONCE AGAIN DEVELOP IN SOUTH CENTRAL AROUND
MIDNIGHT AND SPREAD EAST OVERNIGHT.

$$

Nearby

Red Flag Warnings in South Dakota, 2013Red Flag Warnings in Nebraska, 2013Red Flag Warnings in Iowa, 2013Every red flag warning in 2013

Sources

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