Alert archive / Kansas / Red Flag Warnings in 2012

Red Flag Warning 6, NWS Topeka, KS

March 4, 201223 counties in Kansas

NWS Topeka, KS issued this red flag warning at Mar 4, 2012, 4:21 AM CST for 23 counties in Kansas. It took effect at Mar 4, 2012, 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 4, 2012, 4:21 AM CST (10:21 UTC)
In effect from
Mar 4, 2012, 12:00 PM CST
Expired
Mar 4, 2012, 6:00 PM CST
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 10:18 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 00:00Z, 10.4 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 00:00Z on 2012-03-04Temperature 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 00:00Z on 2012-03-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
2372 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
209 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.

886 
WWUS83 KTOP 041021
RFWTOP

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TOPEKA KS
421 AM CST SUN MAR 4 2012

...RED FLAG WARNING FOR ALL OF NORTH CENTRAL...NORTHEAST AND
EAST CENTRAL KANSAS THIS AFTERNOON..


KSZ008>012-020>024-026-034>040-054>056-058-059-050000-
/O.NEW.KTOP.FW.W.0006.120304T1800Z-120305T0000Z/
REPUBLIC-WASHINGTON-MARSHALL-NEMAHA-BROWN-CLOUD-CLAY-RILEY-
POTTAWATOMIE-JACKSON-JEFFERSON-OTTAWA-DICKINSON-GEARY-MORRIS-
WABAUNSEE-SHAWNEE-DOUGLAS-LYON-OSAGE-FRANKLIN-COFFEY-ANDERSON-
421 AM CST SUN MAR 4 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CST THIS
EVENING FOR LOW RELATIVE HUMIDITY AND VERY STRONG WINDS FOR
ALL OF NORTH CENTRAL...NORTHEAST AND EAST CENTRAL KANSAS...

* AFFECTED AREA...FIRE WEATHER ZONE 008 REPUBLIC...FIRE WEATHER 
  ZONE 009 WASHINGTON...FIRE WEATHER ZONE 010 MARSHALL...FIRE 
  WEATHER ZONE 011 NEMAHA...FIRE WEATHER ZONE 012 BROWN...FIRE 
  WEATHER ZONE 020 CLOUD...FIRE WEATHER ZONE 021 CLAY...FIRE 
  WEATHER ZONE 022 RILEY...FIRE WEATHER ZONE 023 POTTAWATOMIE... 
  FIRE WEATHER ZONE 024 JACKSON...FIRE WEATHER ZONE 026 
  JEFFERSON... FIRE WEATHER ZONE 034 OTTAWA...FIRE WEATHER ZONE 
  035 DICKINSON... FIRE WEATHER ZONE 036 GEARY...FIRE WEATHER 
  ZONE 037 MORRIS...FIRE WEATHER ZONE 038 WABAUNSEE...FIRE 
  WEATHER ZONE 039 SHAWNEE...FIRE WEATHER ZONE 040 DOUGLAS...
  FIRE WEATHER ZONE 054 LYON...FIRE WEATHER ZONE 055 OSAGE...
  FIRE WEATHER ZONE 056 FRANKLIN...FIRE WEATHER ZONE 058 COFFEY 
  AND FIRE WEATHER ZONE 059 ANDERSON.

* WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS UP TO 45 MPH.

* TIMING...WEST TO NORTHWEST WINDS WILL INCREASE THROUGH THE
  MORNING WITH THE STRONGEST GUSTS AND SUSTAINED SPEEDS DURING THE
  AFTERNOON HOURS. RELATIVE HUMIDITY LEVELS WILL STEADILY DECREASE
  AS TEMPERATURES RISE INTO THE UPPER 50S AND LOWER 60S IN
  AFTERNOON. THE CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TO
  PERSIST UNTIL AROUND 6 PM WHEN RELATIVE HUMIDITY LEVELS WILL
  GRADUALLY INCREASE.

* RELATIVE HUMIDITY...AS LOW AS 25 PERCENT.

* TEMPERATURES...IN THE UPPER 50S AND LOWER 60S.

* IMPACTS...DRY FUELS...VERY STRONG WINDS AND LOW RELATIVE
  HUMIDITY LEVELS THIS AFTERNOON WILL LEAD TO CRITICAL FIRE
  WEATHER CONDITIONS.

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
644 
WWUS83 KTOP 042355
RFWTOP

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TOPEKA KS
555 PM CST SUN MAR 4 2012

...FIRE CONDITIONS WILL IMPROVE FOR THE REMAINDER OF THE EVENING...

.SURFACE RELATIVE HUMIDITY WILL IMPROVE AND STRONG WINDS WILL
DIMINISH OVER THROUGH THE EVENING AND OVERNIGHT...THUS BRINGING TO
AN END OF THE EXTREME FIRE CONDITIONS FOR NORTHEAST KANSAS.

KSZ008>012-020>024-026-034>040-054>056-058-059-050100-
/O.EXP.KTOP.FW.W.0006.000000T0000Z-120305T0000Z/
REPUBLIC-WASHINGTON-MARSHALL-NEMAHA-BROWN-CLOUD-CLAY-RILEY-
POTTAWATOMIE-JACKSON-JEFFERSON-OTTAWA-DICKINSON-GEARY-MORRIS-
WABAUNSEE-SHAWNEE-DOUGLAS-LYON-OSAGE-FRANKLIN-COFFEY-ANDERSON-
555 PM CST SUN MAR 4 2012

...RED FLAG WARNING WILL EXPIRE AT 6 PM CST THIS EVENING ...

TEMPERATURES WILL COOL THROUGH THE REMAINDER OF THE
EVENING...WHICH WILL ACT TO INCREASE RELATIVE HUMIDITY VALUES. THE
STRONG GUSTY NORTHWEST WINDS WHICH HAVE BEEN ACTIVE THROUGHOUT THE
DAY WILL ALSO TAPER OFF THROUGH THE EVENING. THESE FACTORS WILL
EFFECTIVELY END THE EXTREME FIRE CONDITIONS ACROSS ALL OF
NORTHEAST KANSAS FOR TODAY. THEREFORE THE RED FLAG WARNING WILL BE
ALLOWED TO EXPIRE AT 6 PM. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 4, 3:20 AM CSTWind AdvisoryTOPAnderson, Brown, Clay, Cloud, Coffey, Dickinson and 17 more15 hr

Nearby

Red Flag Warnings in Kansas, 2012Every red flag warning in 2012

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.