Alert archive / Nebraska / Red Flag Warnings in 2009

Red Flag Warning 3, NWS Sioux Falls, SD

September 27, 2009

NWS Sioux Falls, SD issued this red flag warning at Sep 27, 2009, 3:33 AM CDT. It took effect at Sep 27, 2009, 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
Sep 27, 2009, 3:33 AM CDT (08:33 UTC)
In effect from
Sep 27, 2009, 1:00 PM CDT
Expired
Sep 27, 2009, 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.

000 
WWUS83 KFSD 270833
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
333 AM CDT SUN SEP 27 2009

.A STRONG COLD FRONT WILL SWEEP ACROSS THE REGION THIS MORNING.
STRONG NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH
CAN BE EXPECTED BEHIND THIS FRONT. THESE STRONG WINDS WILL
ACCOMPANY TEMPERATURES IN THE 70S TO LOWER 80S AND RELATIVE
HUMIDITY DROPPING TO 20 TO 25 PERCENT IN THE AFTERNOON. THESE
CONDITIONS WILL PRODUCE RED FLAG CONDITIONS THIS AFTERNOON INTO
EARLY EVENING FROM THE JAMES VALLEY SOUTHEASTWARD INTO NORTHEAST
NEBRASKA.

SDZ256-270945-
/O.CAN.KFSD.FW.A.0002.090927T1800Z-090928T0000Z/
MIDDLE JAMES RIVER VALLEY-
333 AM CDT SUN SEP 27 2009

...FIRE WEATHER WATCH IS CANCELLED...

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

THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES...
IN SOUTH DAKOTA...256

DUE TO SLIGHTLY COOLER EXPECTED HIGH TEMPERATURES AND SLIGHTLY
HIGHER AFTERNOON HUMIDITY...RED FLAG CONDITIONS ARE NOT EXPECTED.
HOWEVER...PRODUCE VERY HIGH TO EXTREME FIRE DANGER CONDITIONS WILL
STILL OCCUR THIS AFTERNOON.


$$

NEZ249-SDZ255-258-271645-
/O.UPG.KFSD.FW.A.0002.090927T1800Z-090928T0000Z/
/O.NEW.KFSD.FW.W.0003.090927T1800Z-090928T0000Z/
EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
333 AM CDT SUN SEP 27 2009

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
CDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT
THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES...
IN SOUTH DAKOTA...255...258
IN NEBRASKA...249


NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH WILL DEVELOP
ACROSS THE AREA LATER THIS MORNING AND AFTERNOON AS A STRONG COLD
FRONT MOVES SOUTHEAST ACROSS THE REGION. THESE STRONG
WINDS...COMBINED WITH HIGH TEMPERATURES IN THE 70S TO LOWER 80S
AND RELATIVE HUMIDITY DROPPING TO 20 TO 25 PERCENT THIS
AFTERNOON...WILL PRODUCE DANGEROUS FIRE CONDITIONS THIS AFTERNOON
INTO EARLY EVENING.

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.

&&

$$
1 follow-up statement
000 
WWUS83 KFSD 271539
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1039 AM CDT SUN SEP 27 2009

.A STRONG COLD FRONT WILL SWEEP ACROSS THE REGION THIS MORNING.
STRONG NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH CAN
BE EXPECTED BEHIND THIS FRONT. A STRONG PUSH OF COLD AIR BEHIND
THE FRONT WILL LIKELY KEEP TEMPERATURES MID 60S TO AROUND 70 THIS
AFTERNOON. HOWEVER...MUCH DRIER AIR WILL ALSO POUR INTO THE AREA...
DROPPING RELATIVE HUMIDITY VALUES INTO THE 20 TO 30 PERCENT RANGE.
THESE CONDITIONS WILL PRODUCE RED FLAG CONDITIONS THIS AFTERNOON INTO
EARLY EVENING FROM THE LOWER BRULE AREA...THROUGH THE LOWER JAMES
VALLEY INTO NORTHEAST NEBRASKA.

NEZ249-SDZ255-258-272345-
/O.CON.KFSD.FW.W.0003.090927T1800Z-090928T0000Z/
EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
1039 AM CDT SUN SEP 27 2009

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING FOR VERY STRONG WINDS AND DRY RELATIVE HUMIDITY IN SOUTH
CENTRAL AND FAR SOUTHEAST SOUTH DAKOTA AND EXTREME NORTHEAST
NEBRASKA....

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING.

THIS INCLUDES THE FOLLOWING FIRE WEATHER ZONES...
IN SOUTH DAKOTA...255...258
IN NEBRASKA...249

NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH WILL DEVELOP
ACROSS THE AREA LATER THIS MORNING AND AFTERNOON AS A STRONG COLD
FRONT MOVES SOUTHEAST ACROSS THE REGION. THESE STRONG WINDS WILL
BRING COOLER...BUT MUCH DRIER AIR INTO THE REGION...WITH HIGH
TEMPERATURES IN THE UPPER 60S TO AROUND 70 AND RELATIVE HUMIDITY
DROPPING TO 20 TO 30 PERCENT THIS AFTERNOON. THE STRONG WINDS AND DRY
AIR...COMBINED WITH DRY FINE FUELS...WILL PRODUCE DANGEROUS FIRE
CONDITIONS THIS AFTERNOON INTO EARLY EVENING.

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.

&&

$$
 JH

Nearby

Red Flag Warnings in Nebraska, 2009Red Flag Warnings in South Dakota, 2009Every red flag warning in 2009

Sources

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