Alert archive / Nebraska / Red Flag Warnings in 2012

Red Flag Warning 17, NWS Sioux Falls, SD

September 8, 2012

NWS Sioux Falls, SD issued this red flag warning at Sep 8, 2012, 3:34 AM CDT. It took effect at Sep 8, 2012, 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 8, 2012, 3:34 AM CDT (08:34 UTC)
In effect from
Sep 8, 2012, 1:00 PM CDT
Expired
Sep 8, 2012, 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.

841 
WWUS83 KFSD 080834
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
334 AM CDT SAT SEP 8 2012

...RED FLAG WARNING IN EFFECT THIS AFTERNOON FOR BRISK WINDS AND
LOW HUMIDITY VALUES FOR THE MISSOURI RIVER AND JAMES RIVER CORRIDORS...

.AHEAD OF A COLD FRONT...WEST TO NORTHWEST WINDS WILL BECOME
RATHER WINDY TODAY WITH STRONG MIXING POTENTIAL THROUGH THE LOWER
ATMOSPHERE. THEREFORE 20 TO 30 MPH WINDS CAN BE EXPECTED IN THIS
AREA. IN ADDITION...MINIMUM HUMIDITY VALUES WILL FALL TO 25
PERCENT OR LESS IN A LINE FROM SIOUX CITY IOWA...TO HURON SOUTH
DAKOTA AND POINTS WESTWARD THIS AFTERNOON.

IAZ300-NEZ249-SDZ255-256-258-081645-
/O.NEW.KFSD.FW.W.0017.120908T1800Z-120909T0000Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY-
MIDDLE JAMES RIVER VALLEY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
334 AM CDT SAT SEP 8 2012

...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...255...256...258 AND 300...

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.

* AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 300. IN NEBRASKA...
  FIRE WEATHER ZONE 249. IN SOUTH DAKOTA...FIRE WEATHER ZONES
  255...256 AND 258.

* WINDS...NORTHWEST 18 TO 23 MPH WITH GUSTS AROUND 30 MPH.

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

* IMPACTS...BRISK WINDS...LOW HUMIDITY VALUES AND VERY DRY
  VEGETATION WITH SEVERE OR EXTREME DROUGHT CONDITIONS...WILL
  COMBINE TO PRODUCE HIGH FIRE IGNITION POTENTIAL AND EXPLOSIVE
  FIRE GROWTH WITH RAPID RATES OF SPREAD.

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.

&&

$$
3 follow-up statements
925 
WWUS83 KFSD 081530
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1030 AM CDT SAT SEP 8 2012

...RED FLAG WARNING IN EFFECT THIS AFTERNOON FOR BRISK WINDS AND
LOW HUMIDITY VALUES FOR THE MISSOURI RIVER AND JAMES RIVER
CORRIDORS...

.AHEAD OF A COLD FRONT...WEST TO NORTHWEST WINDS WILL BECOME
RATHER WINDY TODAY WITH STRONG MIXING POTENTIAL THROUGH THE LOWER
ATMOSPHERE. THEREFORE 20 TO 30 MPH WINDS CAN BE EXPECTED IN THIS
AREA. IN ADDITION...MINIMUM HUMIDITY VALUES WILL FALL TO
25 PERCENT OR LESS IN A LINE FROM SIOUX CITY IOWA...TO HURON
SOUTH DAKOTA AND POINTS WESTWARD THIS AFTERNOON.

IAZ300-NEZ249-SDZ255-256-258-082330-
/O.CON.KFSD.FW.W.0017.120908T1800Z-120909T0000Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY-
MIDDLE JAMES RIVER VALLEY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
1030 AM CDT SAT SEP 8 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 249...
255...256...258 AND 300...

* AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 300. IN NEBRASKA...
   FIRE WEATHER ZONE 249. IN SOUTH DAKOTA...FIRE WEATHER ZONES 
  255... 256 AND 258.

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

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

* IMPACTS...BRISK WINDS...LOW HUMIDITY VALUES AND VERY DRY 
  VEGETATION WITH SEVERE OR EXTREME DROUGHT CONDITIONS...WILL 
  COMBINE TO PRODUCE HIGH FIRE IGNITION POTENTIAL AND EXPLOSIVE 
  FIRE GROWTH WITH RAPID RATES OF SPREAD. 

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.

&&

$$
977 
WWUS83 KFSD 082119
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
419 PM CDT SAT SEP 8 2012

...RED FLAG WARNING IN EFFECT THIS AFTERNOON FOR BRISK WINDS AND
LOW HUMIDITY VALUES FOR THE MISSOURI RIVER AND JAMES RIVER
CORRIDORS...

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHEAST SOUTH
DAKOTA...NORTHEAST NEBRASKA AND SOUTHWEST MINNESOTA...

.AHEAD OF A COLD FRONT...WEST TO NORTHWEST WINDS WILL REMAIN WINDY
THIS AFTERNOON AND EVENING IN THE MISSOURI AND JAMES VALLEYS WITH
STRONG MIXING POTENTIAL THROUGH THE LOWER ATMOSPHERE. THEREFORE 20 TO
30 MPH WINDS CAN BE EXPECTED IN THIS AREA. IN ADDITION...MINIMUM
HUMIDITY VALUES WILL FALL TO 25 PERCENT OR LESS IN A LINE FROM SIOUX
CITY IOWA...TO HURON SOUTH DAKOTA AND POINTS WESTWARD THIS AFTERNOON.
EXTREME FIRE CONDITIONS WILL AGAIN BE POSSIBLE ACROSS SOUTHWEST
MINNESOTA...SOUTHEAST SOUTH DAKOTA AND NORTHEAST NEBRASKA ON MONDAY.

NEZ249-SDZ255-256-258-090530-
/O.NEW.KFSD.FW.A.0014.120910T1500Z-120911T0300Z/
/O.CON.KFSD.FW.W.0017.000000T0000Z-120909T0000Z/
EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY-
MIDDLE JAMES RIVER VALLEY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
419 PM CDT SAT SEP 8 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 249...
255...256 AND 258...

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 249...255...256 AND 258...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A FIRE
WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING.

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 249. IN SOUTH 
  DAKOTA...FIRE WEATHER ZONES 255...256 AND 258.

* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH THIS EVENING.
  SOUTH 15 TO 25 MPH WITH GUSTS UP TO 35 MPH ON MONDAY.

* RELATIVE HUMIDITY...AS LOW AS 16 PERCENT.

* IMPACTS...BRISK WINDS...LOW HUMIDITY VALUES AND VERY DRY 
  VEGETATION WITH SEVERE OR EXTREME DROUGHT CONDITIONS...WILL 
  COMBINE TO PRODUCE HIGH FIRE IGNITION POTENTIAL AND EXPLOSIVE 
  FIRE GROWTH WITH RAPID RATES OF SPREAD. 

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.

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

&&

$$

IAZ300-090000-
/O.CON.KFSD.FW.W.0017.000000T0000Z-120909T0000Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
419 PM CDT SAT SEP 8 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 300...

* AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 300.

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

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

* IMPACTS...BRISK WINDS...LOW HUMIDITY VALUES AND VERY DRY 
  VEGETATION WITH SEVERE OR EXTREME DROUGHT CONDITIONS...WILL 
  COMBINE TO PRODUCE HIGH FIRE IGNITION POTENTIAL AND EXPLOSIVE 
  FIRE GROWTH WITH RAPID RATES OF SPREAD. 

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.

&&

$$

MNZ900-SDZ257-090530-
/O.NEW.KFSD.FW.A.0014.120910T1500Z-120911T0300Z/
SOUTHWEST MINNESOTA-MIDDLE BIG SIOUX RIVER VALLEY-
419 PM CDT SAT SEP 8 2012

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 257 AND 900...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A FIRE
WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING.

* AFFECTED AREA...IN MINNESOTA...FIRE WEATHER ZONE 900. IN SOUTH 
  DAKOTA...FIRE WEATHER ZONE 257.

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

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

* IMPACTS...BRISK WINDS...LOW HUMIDITY VALUES AND VERY DRY 
  VEGETATION WITH SEVERE OR EXTREME DROUGHT CONDITIONS...WILL 
  COMBINE TO PRODUCE HIGH FIRE IGNITION POTENTIAL AND EXPLOSIVE 
  FIRE GROWTH WITH RAPID RATES OF SPREAD. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
497 
WWUS83 KFSD 090016
RFWFSD

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
716 PM CDT SAT SEP 8 2012

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHEAST SOUTH
DAKOTA...NORTHEAST NEBRASKA AND SOUTHWEST MINNESOTA...

.SOUTHERLY WINDS ARE EXPECTED TO INCREASE ACROSS THE AREA ON MONDAY
WHILE TEMPERATURES WARM INTO THE MID 80S TO AROUND 100 DEGREES. WINDS
OF 15 TO 30 WITH GUSTS TO 35 MPH WILL COMBINE WITH LOW RELATIVE
HUMIDITY VALUES OF AROUND 15 TO 25 PERCENT TO POTENTIALLY CREATE
EXTREME FIRE WEATHER CONDITIONS ACROSS SOUTHEAST SOUTH
DAKOTA...NORTHEAST NEBRASKA AND SOUTHWEST MINNESOTA LATE MONDAY
MORNING THROUGH MONDAY EVENING.


NEZ249-SDZ255-256-258-090830-
/O.EXP.KFSD.FW.W.0017.000000T0000Z-120909T0000Z/
/O.CON.KFSD.FW.A.0014.120910T1500Z-120911T0300Z/
EXTREME NORTHEAST NEBRASKA-LOWER BRULE AND LAKE ANDES VICINITY-
MIDDLE JAMES RIVER VALLEY-
LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY-
716 PM CDT SAT SEP 8 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 249...255...256 AND 258...

...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 249...255...256 AND 258...

* AFFECTED AREA...IN NEBRASKA...FIRE WEATHER ZONE 249. IN SOUTH 
  DAKOTA...FIRE WEATHER ZONES 255...256 AND 258.

* WINDS...SOUTH 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...AS LOW AS 16 PERCENT.

* IMPACTS...BRISK WINDS...LOW HUMIDITY VALUES AND VERY DRY 
  VEGETATION WITH SEVERE OR EXTREME DROUGHT CONDITIONS...WILL 
  COMBINE TO PRODUCE HIGH FIRE IGNITION POTENTIAL AND EXPLOSIVE 
  FIRE GROWTH WITH RAPID RATES OF SPREAD. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IAZ300-090130-
/O.EXP.KFSD.FW.W.0017.000000T0000Z-120909T0000Z/
NORTHERN LOESS HILLS AND FLOYD RIVER BASIN-
716 PM CDT SAT SEP 8 2012

...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONE 300...

WINDS CONTINUE TO DIMINISH ACROSS THE AREA AND THE TREAT FOR EXTREME
FIRE BEHAVIOR HAS LOWERED. THE RED FLAG WARNING HAS EXPIRED.

$$

MNZ900-SDZ257-090830-
/O.CON.KFSD.FW.A.0014.120910T1500Z-120911T0300Z/
SOUTHWEST MINNESOTA-MIDDLE BIG SIOUX RIVER VALLEY-
716 PM CDT SAT SEP 8 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 257 AND 900...

* AFFECTED AREA...IN MINNESOTA...FIRE WEATHER ZONE 900. IN SOUTH 
  DAKOTA...FIRE WEATHER ZONE 257.

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

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

* IMPACTS...BRISK WINDS...LOW HUMIDITY VALUES AND VERY DRY 
  VEGETATION WITH SEVERE OR EXTREME DROUGHT CONDITIONS...WILL 
  COMBINE TO PRODUCE HIGH FIRE IGNITION POTENTIAL AND EXPLOSIVE 
  FIRE GROWTH WITH RAPID RATES OF SPREAD. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 8, 4:19 PM CDTFire Weather WatchFSD19 hr

Nearby

Red Flag Warnings in Nebraska, 2012Red Flag Warnings in South Dakota, 2012Red Flag Warnings in Iowa, 2012Every red flag warning in 2012

Sources

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