Alert archive / Kansas / Red Flag Warnings in 2011

Red Flag Warning 43, NWS Dodge City, KS

September 12, 2011Barber County, Kansas

NWS Dodge City, KS issued this red flag warning at Sep 12, 2011, 9:57 AM CDT for Barber County, Kansas. It took effect at Sep 12, 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 12, 2011, 9:57 AM CDT (14:57 UTC)
In effect from
Sep 12, 2011, 1:00 PM CDT
Expired
Sep 12, 2011, 7:00 PM CDT
In force
6 hr
Issued by
NWS Dodge City, KS

County Barber County, KS

The radar

The Vance AFB radar (KVNX), 73 km from the middle of the area, began a volume at 14:58 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, 3.0 hours before the alert went out and 123 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 2011-09-12Temperature 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 2011-09-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 225 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
2640 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
225 m²/s²
0-3 km storm-relative helicity
229 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.

867 
WWUS83 KDDC 121457
RFWDDC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DODGE CITY KS
957 AM CDT MON SEP 12 2011

...DRY SOUTHWEST WINDS ARE EXPECTED TODAY...

.HOT TEMPERATURES, LOW RELATIVE HUMIDITY AND GUSTY SOUTHWEST WINDS
WILL LEAD TO CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON.

KSZ090-130000-
/O.NEW.KDDC.FW.W.0043.110912T1800Z-110913T0000Z/
BARBER-
957 AM CDT MON SEP 12 2011

...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 ZONE 090...

THE NATIONAL WEATHER SERVICE IN DODGE CITY 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...BARBER COUNTY

* WINDS...FREQUENT GUSTS OVER 25 MPH ARE EXPECTED.

* RELATIVE HUMIDITY...HUMIDITY WILL BE AS LOW WAS 13 TO 15 PERCENT.

* 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.

&&

$$


FINCH
1 follow-up statement
301 
WWUS83 KDDC 122357
RFWDDC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DODGE CITY KS
657 PM CDT MON SEP 12 2011

...RED FLAG CONDITIONS ARE NO LONGER EXPECTED THIS EVENING...

.WINDS HAVE DIMINISHED LATE THIS AFTERNOON. RELATIVE HUMIDITY
LEVELS WILL BEGIN TO RISE AS EVENING APPROACHES. THEREFORE THE
RED FLAG WARNING IS NO LONGER IN EFFECT.

KSZ090-130100-
/O.EXP.KDDC.FW.W.0043.000000T0000Z-110913T0000Z/
BARBER-
657 PM CDT MON SEP 12 2011

...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING FOR WIND
AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 090...

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

$$

GERARD

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.