Alert archive / Kansas / Red Flag Warnings in 2011

Red Flag Warning 2, NWS Topeka, KS

March 11, 201112 counties in Kansas

NWS Topeka, KS issued this red flag warning at Mar 11, 2011, 10:05 AM CST for 12 counties in Kansas. It took effect at Mar 11, 2011, 12:00 PM CST. 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
Mar 11, 2011, 10:05 AM CST (16:05 UTC)
In effect from
Mar 11, 2011, 12:00 PM CST
Expired
Mar 11, 2011, 5:42 PM CST
In force
6 hr
Issued by
NWS Topeka, KS

Counties Anderson County, KS, Coffey County, KS, Dickinson County, KS, Douglas County, KS, Franklin County, KS, Geary County, KS, Jefferson County, KS, Lyon County, KS, Morris County, KS, Osage County, KS, Shawnee County, KS, Wabaunsee County, KS

The radar

The Topeka radar (KTWX), 38 km from the middle of the area, began a volume at 16:11 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

Topeka, KS (KTOP), launched 12:00Z, 4.1 hours before the alert went out and 40 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, Topeka, KS at 12:00Z on 2011-03-11Temperature 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, Topeka, KS at 12:00Z on 2011-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 266 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
2428 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
266 m²/s²
0-3 km storm-relative helicity
232 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.

532 
WWUS83 KTOP 111605
RFWTOP

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TOPEKA KS
1005 AM CST FRI MAR 11 2011

...RED FLAG WARNING FOR PORTIONS OF NORTHEAST AND EAST CENTRAL KANSAS...

.LOW RELATIVE HUMIDITY...SOUTHWEST WINDS OF 15 TO 25 MPH WITH STRONGER
GUSTS...ABOVE NORMAL TEMPERATURES AND DRY FUELS WILL BE
SUPPORTIVE OF DANGEROUS FIRE BEHAVIOR WITH RAPID FIRE SPREAD
POSSIBLE.

KSZ026-035>040-054>056-058-059-120100-
/O.NEW.KTOP.FW.W.0002.110311T1800Z-110312T0100Z/
JEFFERSON-DICKINSON-GEARY-MORRIS-WABAUNSEE-SHAWNEE-DOUGLAS-LYON-
OSAGE-FRANKLIN-COFFEY-ANDERSON-
1005 AM CST FRI MAR 11 2011

...RED FLAG WARNING IN EFFECT UNTIL 7 PM CST THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 026...035...
036...037...038...039...040...054...055...056...058 AND 059...

THE NATIONAL WEATHER SERVICE IN TOPEKA...IN COORDINATION WITH
AREA LAND MANAGEMENT AGENCIES... HAS ISSUED A RED FLAG WARNING...
WHICH IS IN EFFECT UNTIL 7 PM CST THIS EVENING. 



* AFFECTED AREA...IN KANSAS...FIRE WEATHER ZONE 026 JEFFERSON 
  COUNTY...FIRE WEATHER ZONE 035 DICKINSON COUNTY...FIRE 
  WEATHER ZONE 036 GEARY COUNTY...FIRE WEATHER ZONE 037 MORRIS 
  COUNTY...FIRE WEATHER ZONE 038 WABAUNSEE COUNTY...FIRE 
  WEATHER ZONE 039 SHAWNEE COUNTY...FIRE WEATHER ZONE 040 
  DOUGLAS COUNTY...FIRE WEATHER ZONE 054 LYON COUNTY...FIRE 
  WEATHER ZONE 055 OSAGE COUNTY...FIRE WEATHER ZONE 056 
  FRANKLIN COUNTY...FIRE WEATHER ZONE 058 COFFEY COUNTY...FIRE 
  WEATHER ZONE 059 ANDERSON COUNTY.

* WIND...SOUTHWEST 15 TO 25 MPH WITH GUSTS NEAR 30 MPH. THE WIND WILL
  SHIFT TO THE NORTHWEST LATE THIS AFTERNOON AND EARLY THIS EVENING
  WITH A PASSAGE OF A COLD FRONT.

* HUMIDITY...HUMIDITY LEVELS WILL FALL BELOW 20 PERCENT THIS AFTERNOON.
  HUMIDITY LEVELS WILL RECOVER EARLY THIS EVENING.

* IMPACTS...THESE WEATHER CONDITIONS COUPLED WITH CURED 
  GRASSES...WILL BE SUPPORTIVE OF EXTREMELY DANGEROUS FIRE 
  BEHAVIOR AND RAPID GROWTH CHARACTERISTICS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF DRY
FUELS...STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM
TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$
1 follow-up statement
358 
WWUS83 KTOP 112342 AAA
RFWTOP

URGENT - FIRE WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE TOPEKA KS
542 PM CST FRI MAR 11 2011


KSZ026-035>040-054>056-058-059-120045-
/O.CAN.KTOP.FW.W.0002.000000T0000Z-110312T0100Z/
JEFFERSON-DICKINSON-GEARY-MORRIS-WABAUNSEE-SHAWNEE-DOUGLAS-LYON-
OSAGE-FRANKLIN-COFFEY-ANDERSON-
542 PM CST FRI MAR 11 2011

...RED FLAG WARNING IS CANCELLED FOR FIRE WEATHER ZONES 026...035...
036...037...038...039...040... 054...055...056...058 AND 059...

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS CANCELLED THE RED FLAG
WARNING. 

* AFFECTED AREA...IN KANSAS...FIRE WEATHER ZONE 026 JEFFERSON 
  COUNTY...FIRE WEATHER ZONE 035 DICKINSON COUNTY...FIRE 
  WEATHER ZONE 036 GEARY COUNTY...FIRE WEATHER ZONE 037 MORRIS 
  COUNTY...FIRE WEATHER ZONE 038 WABAUNSEE COUNTY...FIRE 
  WEATHER ZONE 039 SHAWNEE COUNTY...FIRE WEATHER ZONE 040 
  DOUGLAS COUNTY...FIRE WEATHER ZONE 054 LYON COUNTY...FIRE 
  WEATHER ZONE 055 OSAGE COUNTY...FIRE WEATHER ZONE 056 
  FRANKLIN COUNTY...FIRE WEATHER ZONE 058 COFFEY COUNTY...FIRE 
  WEATHER ZONE 059 ANDERSON COUNTY.

WIND SPEED HAVE DECREASED SIGNIFICANTLY OVER THE PAST HOUR AND
RELATIVE HUMIDITY LEVELS ARE BEGINNING TO SLOWLY INCREASE AS
TEMPERATURES COOL. ALTHOUGH WIND SPEEDS MAY BRIEFLY PICK UP AGAIN
EARLY THIS EVENING...THE RELATIVE HUMIDITY LEVELS WILL CONTINUE TO 
INCREASE AS WELL. THEREFORE THE RED FLAG WARNING HAS BEEN
CANCELLED.


$$

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.