Alert archive / Kansas / Red Flag Warnings in 2011

Red Flag Warning 28, NWS Dodge City, KS

May 11, 20119 counties in Kansas

NWS Dodge City, KS issued this red flag warning at May 11, 2011, 2:24 AM CDT for 9 counties in Kansas. It took effect at May 11, 2011, 12:00 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 11, 2011, 2:24 AM CDT (07:24 UTC)
In effect from
May 11, 2011, 12:00 PM CDT
Expired
May 11, 2011, 8:00 PM CDT
In force
8 hr
Issued by
NWS Dodge City, KS

Counties Finney County, KS, Grant County, KS, Hamilton County, KS, Haskell County, KS, Kearny County, KS, Morton County, KS, Seward County, KS, Stanton County, KS, Stevens County, KS

The radar

The Dodge City radar (KDDC), 119 km from the middle of the area, began a volume at 07:28 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 00:00Z, 7.4 hours before the alert went out and 126 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 00:00Z on 2011-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 88 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2011-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 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
88 J/kg
Mixed-layer CIN
-156 J/kg
Mixed-layer LCL
3186 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

135 
WWUS83 KDDC 110724
RFWDDC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DODGE CITY KS
224 AM CDT WED MAY 11 2011

...FIRE WEATHER CONDITIONS WILL REACH THE DANGEROUS LEVEL TODAY...

.SOUTHWEST WINDS WILL INCREASE BY NOON AND BECOME WINDY AND GUSTY,
BLOWING AT 20 TO 30 MPH WITH HIGHER GUSTS. A DRY LINE WILL MARCH
EAST THIS MORNING, DRYING THE SURFACE OUT IN FAR SOUTHWESTERN KANSAS.
AFTERNOON RELATIVE HUMIDITIES WILL FALL TO 10 TO 15 PERCENT.
OUTDOOR BURNING SHOULD NOT EVEN BE AN OPTION.

KSZ077-087-110830-
/O.CAN.KDDC.FW.A.0024.110511T1700Z-110512T0100Z/
GRAY-MEADE-
224 AM CDT WED MAY 11 2011

...FIRE WEATHER WATCH IS CANCELLED FOR GUSTY WINDS AND LOW
HUMIDITY FOR FIRE WEATHER ZONES 077 AND 087...

THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS CANCELLED THE FIRE
WEATHER WATCH AND UPGRADED IT TO A RED FLAG WARNING.

$$

KSZ061>063-074>076-084>086-120100-
/O.UPG.KDDC.FW.A.0024.110511T1700Z-110512T0100Z/
/O.NEW.KDDC.FW.W.0028.110511T1700Z-110512T0100Z/
HAMILTON-KEARNY-FINNEY-STANTON-GRANT-HASKELL-MORTON-STEVENS-
SEWARD-
224 AM CDT WED MAY 11 2011 /124 AM MDT WED MAY 11 2011/

...RED FLAG WARNING IN EFFECT FROM NOON CDT /11 AM MDT/ TODAY TO
8 PM CDT /7 PM MDT/ THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY
FOR FIRE WEATHER ZONES 061...062...063...074...075...076...084...
085 AND 086...

* SOUTHWEST WINDS WILL INCREASE THIS AFTERNOON TO 20 TO 30 MPH
  WITH HIGHER GUSTS.

* RELATIVE HUMIDITIES WILL FALL TO THE 10 TO 15 PERCENT RANGE.

* THESE FIRE WEATHER CONDITIONS WILL FAVOR RAPID FIRE GROWTH. ANY
  FIRE WHICH MY GET IGNITED WILL QUICKLY SPREAD AND COULD EASILY
  BECOME HARD TO HANDLE. ALL OUTDOOR BURNING SHOULD BE PROHIBITED.

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

12
2 follow-up statements
526 
WWUS83 KDDC 112056
RFWDDC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DODGE CITY KS
356 PM CDT WED MAY 11 2011

...CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE OVER PARTS OF SOUTHWEST
KANSAS UNTIL THIS EVENING...

.SOUTH TO SOUTHWEST WINDS WILL CONTINUE THROUGH THE LATE AFTERNOON
HOURS AND PUSH DRIER AIR INTO FAR SOUTHWEST KANSAS. THIS WILL
RESULT IN RELATIVE HUMIDITY LEVELS FALLING TO 10 TO 15 PERCENT.
WITH WIND GUSTS TO 35 MPH THROUGH THE LATE AFTERNOON HOURS...THIS
WILL CAUSE CONDITIONS FAVORABLE FOR WILDFIRES. A COLD FRONT MOVING
INTO THE AREA BY EARLY EVENING WILL BRING COOLER AIR AND
INCREASING RELATIVE HUMIDITY LEVELS.

KSZ061>063-074>076-084>086-120100-
/O.CON.KDDC.FW.W.0028.000000T0000Z-110512T0100Z/
HAMILTON-KEARNY-FINNEY-STANTON-GRANT-HASKELL-MORTON-STEVENS-
SEWARD-
356 PM CDT WED MAY 11 2011 /256 PM MDT WED MAY 11 2011/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT /7 PM MDT/
THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER
ZONES 061...062...063...074...075...076...084...085 AND 086...

* SOUTH TO SOUTHWEST WINDS WILL CONTINUE AT 20 TO 30 MPH WITH
  HIGHER GUSTS.

* RELATIVE HUMIDITIES WILL FALL TO THE 10 TO 15 PERCENT RANGE.

* THESE FIRE WEATHER CONDITIONS WILL FAVOR RAPID FIRE GROWTH. 
  ANY FIRE WHICH MY GET IGNITED WILL QUICKLY SPREAD AND COULD 
  EASILY BECOME HARD TO HANDLE. ALL OUTDOOR BURNING SHOULD BE 
  PROHIBITED. 

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
952 
WWUS83 KDDC 120048
RFWDDC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DODGE CITY KS
748 PM CDT WED MAY 11 2011

...CONDITIONS FOR EXTREME FIRE BEHAVIOR HAVE DIMINISHED...

.GUSTY WEST WINDS HAD DEVELOPED BEHIND A COLD FRONT WHICH WAS
MOVING ACROSS WESTERN KANSAS EARLY THIS EVENING. IN ADDITION SOME
COOLER AIR ALONG WITH INCREASING RELATIVE HUMIDITIES HAVE ALSO
RETURNED. AS A RESULT CRITICAL FIRE WEATHER CONDITIONS ARE NO
LONGER EXPECTED.

KSZ061>063-074>076-084>086-120200-
/O.EXP.KDDC.FW.W.0028.000000T0000Z-110512T0100Z/
HAMILTON-KEARNY-FINNEY-STANTON-GRANT-HASKELL-MORTON-STEVENS-
SEWARD-
748 PM CDT WED MAY 11 2011 /648 PM MDT WED MAY 11 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
061...062...063...074...075...076...084...085 AND 086...

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

RELATIVE HUMIDITIES THIS EVENING WERE RISING AS TEMPERATURES FALL
BACK INTO THE 60S. AS A RESULT THE RED FLAG WARNING FOR TODAY WILL
BE ALLOWED TO EXPIRE AT 8 PM.

$$


HTTP://WEATHER.GOV/DDC

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 4:25 AM CDTWind AdvisoryDDCGrant, Hamilton, Haskell, Kearny, Meade, Morton and 3 more72 min
May 11, 5:37 AM CDTHigh Wind WarningDDCFinney, Grant, Gray, Hamilton, Haskell, Kearny and 5 more3 hr
May 11, 8:40 AM CDTSpecial Weather StatementDDCFord35 min
May 11, 9:07 AM CDTSpecial Weather StatementDDCFord23 min
May 11, 9:16 AM CDTSevere Thunderstorm WarningDDCFord, Hodgeman44 min
May 11, 9:55 AM CDTSpecial Weather StatementDDCNess, Pawnee, Rush35 min
May 11, 10:30 AM CDTSpecial Weather StatementDDCEllis, Rush45 min
May 11, 5:26 PM CDTSpecial Weather StatementDDCHodgeman49 min
May 11, 6:58 PM CDTWind AdvisoryDDCFinney, Grant, Gray, Hamilton, Haskell, Kearny and 7 more2 hr

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.