Alert archive / Kansas / Red Flag Warnings in 2011

Red Flag Warning 7, NWS Topeka, KS

September 29, 201123 counties in Kansas

NWS Topeka, KS issued this red flag warning at Sep 29, 2011, 1:30 PM CDT for 23 counties in Kansas. 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 29, 2011, 1:30 PM CDT (18:30 UTC)
Expired
Sep 29, 2011, 7:00 PM CDT
In force
6 hr
Issued by
NWS Topeka, KS
All 23 counties

Anderson County, KS, Brown County, KS, Clay County, KS, Cloud County, KS, Coffey County, KS, Dickinson County, KS, Douglas County, KS, Franklin County, KS, Geary County, KS, Jackson County, KS, Jefferson County, KS, Lyon County, KS, Marshall County, KS, Morris County, KS, Nemaha County, KS, Osage County, KS, Ottawa County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS

The radar

The Topeka radar (KTWX), 16 km from the middle of the area, began a volume at 18:28 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

Topeka, KS (KTOP), launched 12:00Z, 6.5 hours before the alert went out and 61 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 2011-09-29Temperature 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 2011-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
1976 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
65 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.

057 
WWUS83 KTOP 291830
RFWTOP

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TOPEKA KS
130 PM CDT THU SEP 29 2011

...BREEZY AND DRY CONDITIONS BRING EXTREME FIRE DANGER
THIS AFTERNOON...

KSZ008>012-020>024-026-034>040-054>056-058-059-292200-
/O.NEW.KTOP.FW.W.0007.110929T1830Z-110929T2200Z/
REPUBLIC-WASHINGTON-MARSHALL-NEMAHA-BROWN-CLOUD-CLAY-RILEY-
POTTAWATOMIE-JACKSON-JEFFERSON-OTTAWA-DICKINSON-GEARY-MORRIS-
WABAUNSEE-SHAWNEE-DOUGLAS-LYON-OSAGE-FRANKLIN-COFFEY-ANDERSON-
130 PM CDT THU SEP 29 2011

...RED FLAG WARNING IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON FOR
BREEZY CONDITIONS AND LOW RELATIVE HUMIDITIES ACROSS NORTH CENTRAL
NORTHEAST AND EAST CENTRAL KANSAS.

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON. 

* AFFECTED AREA...NORTH CENTRAL...NORTHEAST AND EAST CENTRAL KANSAS.

* WIND...NORTH WINDS OF 15 TO 30 MPH WITH GUSTS TO AROUND 35 MPH.

* HUMIDITY...AS LOW AS 17 PERCENT.

* TEMPERATURES...75 TO 81.

* IMPACTS...WITH THESE DRY AND BREEZY CONDITIONS COMBINED WITH AREA
  FUELS WHICH ARE DRY AND CURED....FIRES CAN START
  QUICKLY...SPREAD FURIOUSLY AND BURN INTENSELY. ALL FIRES ARE
  POTENTIALLY SERIOUS. OUTDOOR BURNING SHOULD BE AVOIDED.

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.

&&

$$
2 follow-up statements
574 
WWUS83 KTOP 292129
RFWTOP

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TOPEKA KS
429 PM CDT THU SEP 29 2011

KSZ008>012-020>024-026-034>040-054>056-058-059-300000-
/O.EXT.KTOP.FW.W.0007.000000T0000Z-110930T0000Z/
REPUBLIC-WASHINGTON-MARSHALL-NEMAHA-BROWN-CLOUD-CLAY-RILEY-
POTTAWATOMIE-JACKSON-JEFFERSON-OTTAWA-DICKINSON-GEARY-MORRIS-
WABAUNSEE-SHAWNEE-DOUGLAS-LYON-OSAGE-FRANKLIN-COFFEY-ANDERSON-
429 PM CDT THU SEP 29 2011

...RED FLAG WARNING NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR
LOW RELATIVE HUMIDITIES AND GUSTY NORTH WINDS ACROSS NORTH 
CENTRAL...NORTHEAST AND EAST CENTRAL KANSAS...

* AFFECTED AREA...NORTH CENTRAL...NORTHEAST AND EAST CENTRAL 
  KANSAS.

* WIND...NORTH WINDS OF 15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.

* HUMIDITY...15 TO 20 PERCENT.

* TEMPERATURES...75 TO 81.

* IMPACTS...FIRES CAN START QUICKLY...SPREAD FURIOUSLY AND BURN
  INTENSELY. ALL FIRES ARE POTENTIALLY SERIOUS. OUTDOOR BURNING
  SHOULD BE AVOIDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CRITICAL FIRE WEATHER CONDITIONS ARE OCCURRING NOW. A COMBINATION
OF DRY FUELS...STRONG WINDS...AND LOW RELATIVE HUMIDITY WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

WOLTERS
754 
WWUS83 KTOP 292353
RFWTOP

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TOPEKA KS
653 PM CDT THU SEP 29 2011

KSZ008>012-020>024-026-034>040-054>056-058-059-300100-
/O.EXP.KTOP.FW.W.0007.000000T0000Z-110930T0000Z/
REPUBLIC-WASHINGTON-MARSHALL-NEMAHA-BROWN-CLOUD-CLAY-RILEY-
POTTAWATOMIE-JACKSON-JEFFERSON-OTTAWA-DICKINSON-GEARY-MORRIS-
WABAUNSEE-SHAWNEE-DOUGLAS-LYON-OSAGE-FRANKLIN-COFFEY-ANDERSON-
653 PM CDT THU SEP 29 2011

...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING FOR 
NORTH CENTRAL...NORTHEAST AND EAST CENTRAL KANSAS...

TEMPERATURES WILL CONTINUE TO COOL WITH WINDS STEADILY
DIMINISHING. THEREFORE THE CONDITIONS FOR DANGEROUS FIRE BEHAVIOR
WILL BECOME LESS FAVORABLE. THEREFORE THE RED FLAG WARNING WILL BE
ALLOWED TO EXPIRE AT 7 PM. 

$$

WOLTERS

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.