Alert archive / Kansas / Red Flag Warnings in 2011

Red Flag Warning 22, NWS Dodge City, KS

April 30, 201120 counties in Kansas

NWS Dodge City, KS issued this red flag warning at Apr 30, 2011, 11:42 AM CDT for 20 counties in Kansas. 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
Apr 30, 2011, 11:42 AM CDT (16:42 UTC)
Expired
Apr 30, 2011, 8:00 PM CDT
In force
8 hr
Issued by
NWS Dodge City, KS

Counties Clark County, KS, Edwards County, KS, Finney County, KS, Ford County, KS, Grant County, KS, Gray County, KS, Hamilton County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kiowa County, KS, Lane County, KS, Meade County, KS, Ness County, KS, Pawnee County, KS, Pratt County, KS, Rush County, KS, Scott County, KS, Seward County, KS, Stafford County, KS

The radar

The Dodge City radar (KDDC), 21 km from the middle of the area, began a volume at 16:45 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, 4.7 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 2011-04-30Temperature 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 2011-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -357 square meters per square second.1939587897Sfc1 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
2444 m above ground
0-6 km bulk shear
79 kt
0-1 km storm-relative helicity
-357 m²/s²
0-3 km storm-relative helicity
245 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.

643 
WWUS83 KDDC 301642
RFWDDC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DODGE CITY KS
1142 AM CDT SAT APR 30 2011

...CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON...

.BREEZY NORTHWEST WINDS AND LOW HUMIDITY WILL LEAD TO CRITICAL
FIRE WEATHER CONDITIONS THIS AFTERNOON.

KSZ043>046-061>066-075>081-086>088-010100-
/O.NEW.KDDC.FW.W.0022.110430T1642Z-110501T0100Z/
SCOTT-LANE-NESS-RUSH-HAMILTON-KEARNY-FINNEY-HODGEMAN-PAWNEE-
STAFFORD-GRANT-HASKELL-GRAY-FORD-EDWARDS-KIOWA-PRATT-SEWARD-MEADE-
CLARK-
1142 AM CDT SAT APR 30 2011 /1042 AM MDT SAT APR 30 2011/

...RED FLAG WARNING IN EFFECT UNTIL 8 PM CDT /7 PM MDT/ THIS
EVENING FOR LOW HUMIDITY AND GUSTY WINDS...

THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 8 PM CDT /7 PM MDT/ THIS
EVENING. 

* WIND...WINDS WILL BE FROM THE NORTHWEST WITH FREQUENT GUSTS TO
  BETWEEN 25 AND 30 MPH.

* HUMIDITY...HUMIDITY WILL FALL TO BETWEEN 10 AND 15 PERCENT.

* IMPACTS...THESE CONDITIONS WILL FAVOR RAPID FIRE GROWTH. ANY
  FIRE WHICH MAY GET STARTED WILL SPREAD RAPIDLY AND WILL BE
  DIFFICULT TO CONTROL.

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.

&&

$$


HTTP://WEATHER.GOV/DDC
1 follow-up statement
706 
WWUS83 KDDC 010042
RFWDDC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DODGE CITY KS
742 PM CDT SAT APR 30 2011

...CRITICAL FIRE WEATHER CONDITIONS ARE NO LONGER EXPECTED...

.FALLING TEMPERATURES AND INCREASING RELATIVE HUMIDITY WILL
PERSIST THROUGH THE EVENING.

KSZ043>046-061>066-075>081-086>088-010145-
/O.EXP.KDDC.FW.W.0022.000000T0000Z-110501T0100Z/
SCOTT-LANE-NESS-RUSH-HAMILTON-KEARNY-FINNEY-HODGEMAN-PAWNEE-
STAFFORD-GRANT-HASKELL-GRAY-FORD-EDWARDS-KIOWA-PRATT-SEWARD-MEADE-
CLARK-
742 PM CDT SAT APR 30 2011 /642 PM MDT SAT APR 30 2011/

...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT /7 PM MDT/ THIS
EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
043...044...045...046...061...062...063...064...065...066...075...
076...077...078...079...080...081...086...087 AND 088...

THE RED FLAG WARNING WILL EXPIRE AT 8 PM CDT /7 PM MDT/ THIS
EVENING. 

WIND SPEEDS WERE SUBSIDING THIS EVENING AS THE RELATIVE HUMIDITIES
INCREASE. AS A RESULT THE RED FLAG WARNING WILL BE ALLOWED TO
EXPIRE.

$$


HTTP://WEATHER.GOV/DDC

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.