Alert archive / Minnesota / Red Flag Warnings in 2008

Red Flag Warning 3, NWS Sioux Falls, SD

May 17, 2008

NWS Sioux Falls, SD issued this red flag warning at May 17, 2008, 9:50 AM CDT. It took effect at May 17, 2008, 12:11 PM CDT. It was in force for 8 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
May 17, 2008, 9:50 AM CDT (14:50 UTC)
In effect from
May 17, 2008, 12:11 PM CDT
Expired
May 17, 2008, 8:00 PM CDT
In force
8 hr
Issued by
NWS Sioux Falls, SD

The text

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

000 
WWUS83 KFSD 171450
RFWFSD

RED FLAG WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
950 AM CDT SAT MAY 17 2008


..DISCUSSION...
STRONG NORTHWEST WINDS TO DEVELOP THIS AFTERNOON AND RELATIVE
HUMIDITIES DROPPING INTO THE 15 TO 25 PERCENT RANGE...PRODUCING RED
FLAG FIRE CONDITIONS.


MNZ900-172300-
/O.NEW.KFSD.FW.W.0003.080517T1800Z-080518T0000Z/
SOUTHWEST MINNESOTA-
950 AM CDT SAT MAY 17 2008

...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. 

STRONG NORTHWEST WINDS OF 25 TO 35 MPH AND GUSTS AS HIGH AS 45 MPH 
ARE EXPECTED TO DEVELOP THIS AFTERNOON. IN ADDITION TEMPERATURES
WILL WARM INTO THE MID TO UPPER 70S...AS RELATIVE HUMIDITIES DROP TO
15 TO 25 PERCENT. THE COMBINATION OF THESE FACTORS WILL PRODUCE REDFLAG
CONDITIONS ACROSS MUCH OF SOUTHWEST MINNESOTA THIS AFTERNOON.

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.

$$

LIEBL
4 follow-up statements
000 
WWUS83 KFSD 171708
RFWFSD

RED FLAG WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1208 PM CDT SAT MAY 17 2008

..DISCUSSION... STRONG NORTHWEST WINDS TO DEVELOP THIS AFTERNOON
AND RELATIVE HUMIDITIES DROPPING INTO THE 15 TO 25 PERCENT
RANGE...PRODUCING RED FLAG FIRE CONDITIONS.

MNZ900-180000-
/O.CON.KFSD.FW.W.0003.080517T1800Z-080518T0000Z/
SOUTHWEST MINNESOTA-
1208 PM CDT SAT MAY 17 2008

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

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

STRONG NORTHWEST WINDS OF 25 TO 35 MPH AND GUSTS AS HIGH AS
45 MPH ARE EXPECTED TO DEVELOP THIS AFTERNOON. IN ADDITION
TEMPERATURES WILL WARM INTO THE MID TO UPPER 70S...AS RELATIVE
HUMIDITIES DROP TO 15 TO 25 PERCENT. THE COMBINATION OF THESE
FACTORS WILL PRODUCE REDFLAG CONDITIONS ACROSS THE AREA THIS
AFTERNOON.

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.

$$

LIEBL
000 
WWUS83 KFSD 171711
RFWFSD

RED FLAG WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1211 PM CDT SAT MAY 17 2008

..DISCUSSION... STRONG NORTHWEST WINDS TO DEVELOP THIS AFTERNOON
AND RELATIVE HUMIDITIES DROPPING INTO THE 15 TO 25 PERCENT
RANGE...PRODUCING RED FLAG FIRE CONDITIONS.

IAZ300-301-NEZ249-SDZ255>258-180100-
/O.EXB.KFSD.FW.W.0003.080517T1800Z-080518T0100Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-
EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY-
MIDDLE JAMES RIVER VALLEY-MIDDLE BIG SIOUX RIVER VALLEY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
1211 PM CDT SAT MAY 17 2008

...RED FLAG WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING...

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

STRONG NORTHWEST WINDS OF 25 TO 35 MPH AND GUSTS AS HIGH AS
45 MPH ARE EXPECTED TO DEVELOP THIS AFTERNOON. IN ADDITION
TEMPERATURES WILL WARM INTO THE MID TO UPPER 70S...AS RELATIVE
HUMIDITIES DROP TO 15 TO 25 PERCENT. THE COMBINATION OF THESE
FACTORS WILL PRODUCE REDFLAG CONDITIONS ACROSS THE AREA THIS
AFTERNOON.

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.

$$

MNZ900-180100-
/O.EXT.KFSD.FW.W.0003.080517T1800Z-080518T0100Z/
SOUTHWEST MINNESOTA-
1211 PM CDT SAT MAY 17 2008

...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM CDT THIS EVENING...

THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 8 PM CDT THIS
EVENING. 

STRONG NORTHWEST WINDS OF 25 TO 35 MPH AND GUSTS AS HIGH AS
45 MPH ARE EXPECTED TO DEVELOP THIS AFTERNOON. IN ADDITION
TEMPERATURES WILL WARM INTO THE MID TO UPPER 70S...AS RELATIVE
HUMIDITIES DROP TO 15 TO 25 PERCENT. THE COMBINATION OF THESE
FACTORS WILL PRODUCE REDFLAG CONDITIONS ACROSS THE AREA THIS
AFTERNOON.

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.

$$
LIEBL
000 
WWUS83 KFSD 172019
RFWFSD

RED FLAG WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
319 PM CDT SAT MAY 17 2008

...RED FLAG WARNING FOR THE SOUTHEAST QUARTER OF SOUTH
DAKOTA...SOUTHWEST MINNESOTA...NORTHWEST IOWA AND EXTREME
NORTHEAST NEBRASKA UNTIL 8 PM FOR VERY DRY HUMIDITY VALUES AND
STRONG NORTHWEST WINDS...

.DISCUSSION...RED FLAG WARNING CONDITIONS WILL PREVAIL ACROSS THE
AREA THROUGH EARLY EVENING. 

IAZ300-301-MNZ900-NEZ249-SDZ255>258-180100-
/O.CON.KFSD.FW.W.0003.000000T0000Z-080518T0100Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-SOUTHWEST MINNESOTA-
EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY-
MIDDLE JAMES RIVER VALLEY-MIDDLE BIG SIOUX RIVER VALLEY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
319 PM CDT SAT MAY 17 2008

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING.

STRONG NORTHWEST WINDS OF 25 TO 35 MPH AND GUSTS AS HIGH AS
45 MPH WILL CONTINUE INTO EARLY EVENING...COUPLED WITH RELATIVE
HUMIDITY VALUES AVERAGING FROM 15 TO 25 PERCENT. NEARING
SUNSET...THE WINDS WILL DROP OFF RATHER RAPIDLY WITH INCREASING
HUMIDITY VALUES.

THE FIRE CONDITIONS SHOULD BE IMPROVED ON SUNDAY. 

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.

$$

 MJF
000 
WWUS83 KFSD 180100
RFWFSD

RED FLAG WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
800 PM CDT SAT MAY 17 2008

...RED FLAG WARNING WILL BE ALLOWED TO EXPIRE AT 8 PM FOR THE
SOUTHEAST QUARTER OF SOUTH DAKOTA...SOUTHWEST MINNESOTA...NORTHWEST
IOWA AND EXTREME NORTHEAST NEBRASKA...

.RELATIVE HUMIDITY VALUES WILL CONTINUE TO INCREASE AND WINDS WILL
CONTINUE TO DECREASE FOR THE REMAINDER OF THE EVENING. 

IAZ300-301-MNZ900-NEZ249-SDZ255>258-180200-
/O.EXP.KFSD.FW.W.0003.000000T0000Z-080518T0100Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
IOWA GREAT LAKES/ROCK AND LITTLE SIOUX BASINS-SOUTHWEST MINNESOTA-
EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY-
MIDDLE JAMES RIVER VALLEY-MIDDLE BIG SIOUX RIVER VALLEY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
800 PM CDT SAT MAY 17 2008

...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING...

THE RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING. 

AS SUNSET APPROACHES...THE WINDS WILL RAPIDLY DECREASE AND
HUMIDITY VALUES INCREASE ALLEVIATING THE CRITICAL FIRE DANGER
CONDITIONS. THE FIRE DANGER CONDITIONS SHOULD BE LESS CRITICAL ON
SUNDAY DUE TO LESS WIND. 

$$

 MJF

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 17, 12:16 PM CDTWind AdvisoryFSDCottonwood, Jackson, Lincoln, Lyon, Murray, Nobles and 2 more8 hr

Nearby

Red Flag Warnings in Minnesota, 2008Red Flag Warnings in Iowa, 2008Red Flag Warnings in Nebraska, 2008Every red flag warning in 2008

Sources

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