Alert archive / Kansas / Red Flag Warnings in 2011

Red Flag Warning 42, NWS Dodge City, KS

September 2, 20119 counties in Kansas

NWS Dodge City, KS issued this red flag warning at Sep 2, 2011, 12:40 PM CDT for 9 counties in Kansas. It took effect at Sep 2, 2011, 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 2, 2011, 12:40 PM CDT (17:40 UTC)
In effect from
Sep 2, 2011, 1:00 PM CDT
Expired
Sep 2, 2011, 7:00 PM CDT
In force
6 hr
Issued by
NWS Dodge City, KS

Counties Clark County, KS, Comanche County, KS, Edwards County, KS, Ford County, KS, Gray County, KS, Hodgeman County, KS, Kiowa County, KS, Meade County, KS, Seward County, KS

The radar

The Dodge City radar (KDDC), 26 km from the middle of the area, began a volume at 17:46 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 5.7 hours before the alert went out and 26 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Dodge City, at 12:00Z on 2011-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 12:00Z on 2011-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2576 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

120 
WWUS83 KDDC 021740
RFWDDC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DODGE CITY KS
1240 PM CDT FRI SEP 2 2011

...CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THIS AFTERNOON...

.VERY HOT AND WINDY CONDITIONS WILL CONTINUE THIS AFTERNOON. WITH
A DRY AIRMASS ALREADY IN PLACE...CONDITIONS WILL BE CONDUCIVE FOR
LARGE FIRE GROWTH.

KSZ064-077>080-086>089-030000-
/O.NEW.KDDC.FW.W.0042.110902T1800Z-110903T0000Z/
HODGEMAN-GRAY-FORD-EDWARDS-KIOWA-SEWARD-MEADE-CLARK-COMANCHE-
1240 PM CDT FRI SEP 2 2011

...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 064...077...
078...079...080...086...087...088 AND 089...

THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
UNTIL 7 PM CDT THIS EVENING. 

* AFFECTED AREA...EAST OF A LINE FROM LIBERAL AND CIMARRON TO
  JETMORE OVER TO A LINE FROM KINSLEY TO COLDWATER.

* WINDS...SOUTH TO SOUTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS TO
  30 MPH.

* RELATIVE HUMIDITY...MINIMUM RELATIVE HUMIDITY WILL FALL INTO THE
  10 TO 15 PERCENT RANGE.

* IMPACTS...THE COMBINATION OF LOW RELATIVE HUMIDITY AND GUSTY WINDS
  WILL CREATE CONDITIONS FAVORABLE FOR RAPID LARGE FIRE GROWTH.
  OUTDOOR BURNING SHOULD BE AVOIDED DURING THE AFTERNOON HOURS.

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 WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

GERARD
1 follow-up statement
128 
WWUS83 KDDC 030018
RFWDDC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DODGE CITY KS
718 PM CDT FRI SEP 2 2011

KSZ064-077>080-086>089-030130-
/O.EXP.KDDC.FW.W.0042.000000T0000Z-110903T0000Z/
HODGEMAN-GRAY-FORD-EDWARDS-KIOWA-SEWARD-MEADE-CLARK-COMANCHE-
718 PM CDT FRI SEP 2 2011

...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 064...077...078...079...080...
086...087...088 AND 089...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 

RELATIVE HUMIDITY WAS SLOWLY INCREASES AS TEMPERATURES COOL WITH
THE SETTING SUN. WINDS HAVE ALSO DECREASED IN SPEED TO 10 TO 15
MPH ACROSS MUCH OF THE AREA.

$$

The office that day

Everything else NWS Dodge City, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 2, 4:45 PM CDTSpecial Weather StatementDDCGrant45 min
Sep 2, 5:14 PM CDTSevere Thunderstorm WarningDDCGrant38 min
Sep 2, 5:21 PM CDTSpecial Weather StatementDDCMorton39 min
Sep 2, 5:56 PM CDTSpecial Weather StatementDDCGrant49 min
Sep 2, 6:03 PM CDTSevere Thunderstorm WarningDDCStanton42 min
Sep 2, 6:30 PM CDTSevere Thunderstorm WarningDDCMorton, Stanton45 min

Nearby

Red Flag Warnings in Kansas, 2011Every red flag warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.