Alert archive / Missouri / Red Flag Warnings in 2011

Red Flag Warning 8, NWS Kansas City, MO

October 30, 201122 counties in Missouri; 7 counties in Kansas

NWS Kansas City, MO issued this red flag warning at Oct 30, 2011, 4:06 AM CDT for 22 counties in Missouri; 7 counties in Kansas. It took effect at Oct 30, 2011, 12:00 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
Oct 30, 2011, 4:06 AM CDT (09:06 UTC)
In effect from
Oct 30, 2011, 12:00 PM CDT
Expired
Oct 30, 2011, 6:00 PM CDT
In force
6 hr
Issued by
NWS Kansas City, MO
All 29 counties

Atchison County, KS, Doniphan County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Wyandotte County, KS, Andrew County, MO, Atchison County, MO, Bates County, MO, Buchanan County, MO, Caldwell County, MO, Cass County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Harrison County, MO, Henry County, MO, Holt County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Nodaway County, MO, Pettis County, MO, Platte County, MO, Ray County, MO, Worth County, MO

The radar

The Pleasant Hill radar (KEAX), 70 km from the middle of the area, began a volume at 09:07 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, 9.1 hours before the alert went out and 109 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 2011-10-30Temperature 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 2011-10-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.19395878Sfc1 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
3038 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
252 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.

150 
WWUS83 KEAX 300906
RFWEAX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
406 AM CDT SUN OCT 30 2011

...HIGH FIRE DANGER ACROSS THE REGION THIS AFTERNOON...

.A COLD FRONT WILL SWEEP THROUGH KANSAS AND MISSOURI SUNDAY MORNING.
THE DRY AIRMASS BEHIND THE FRONT WILL ALLOW AFTERNOON HUMIDITY VALUES
TO DROP TO BETWEEN 20 AND 25 PERCENT. ALONG WITH THE DRY AIR WILL
COME GUSTY WINDS...WITH AFTERNOON SPEEDS OF 15 TO 20 MPH EXPECTED.
THIS WILL BRING A HIGH FIRE DANGER TO ALL OF WEST CENTRAL MISSOURI AS
WELL AS PARTS OF NORTHWEST MISSOURI...AND ADJACENT AREAS OF EASTERN
KANSAS.


KSZ025-057-060-102>105-MOZ020-021-028>030-037-038-043>045-053-054-
301715-
/O.NEW.KEAX.FW.W.0008.111030T1700Z-111031T0000Z/
ATCHISON KS-MIAMI-LINN KS-DONIPHAN-LEAVENWORTH-WYANDOTTE-
JOHNSON KS-BUCHANAN-CLINTON-PLATTE-CLAY-RAY-JACKSON-LAFAYETTE-
CASS-JOHNSON MO-PETTIS-BATES-HENRY-
406 AM CDT SUN OCT 30 2011

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR WEST CENTRAL AND 
PARTS OF NORTHWEST MISSOURI AS WELL AS ADJACENT AREAS OF EASTERN 
KANSAS... 

THE NATIONAL WEATHER SERVICE IN KANSAS CITY/PLEASANT HILL HAS
ISSUED A RED FLAG WARNING FOR GUSTY WINDS AND LOW HUMIDITY...WHICH IS
IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING.

* AFFECTED AREAS...INCLUDE ALL OF WEST CENTRAL MISSOURI AS WELL AS
  PARTS OF NORTHWEST MISSOURI...AND ADJACENT AREAS OF EASTERN
  KANSAS.

* TIMING...RED FLAG CONDITIONS ARE EXPECTED OVER THE WARNED AREA
  BETWEEN NOON AND 7 PM.

* WINDS...WILL PREVAIL FROM THE NORTHWEST AT 10 TO 20 MPH WITH GUSTS
  UP TO 30 MPH DURING THE AFTERNOON HOURS. 

* RELATIVE HUMIDITY...WILL RANGE BETWEEN 20 AND 25 PERCENT THIS AFTERNOON.

* TEMPERATURES...WILL RANGE FORM THE UPPER 50S TO THE MID 60S.

* IMPACTS...GUSTY WINDS AND LOW RELATIVITY HUMIDITIES...COUPLED WITH
  THE INCREASING DROUGHT CONDITIONS...WILL LEAD TO DANGEROUS FIRE
  CONDITIONS THIS AFTERNOON. PERSONS SHOULD AVOID ANY OUTDOOR BURNING
  AS FIRES COULD QUICKLY SPREAD AND BECOME UNCONTROLLABLE.

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.

&&

$$

CUTTER
2 follow-up statements
406 
WWUS83 KEAX 302007
RFWEAX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
307 PM CDT SUN OCT 30 2011

...HIGH FIRE DANGER ACROSS THE REGION THIS AFTERNOON...

.A RAPIDLY DRYING AIRMASS BEHIND A COLD FRONT WILL ALLOW HUMIDITY
VALUES TO DROP TO BETWEEN 20 AND 25 PERCENT THIS AFTERNOON. NORTHWEST
WINDS WILL GUST TO AROUND 25 MPH...RESULTING IN A HIGH FIRE DANGER
FOR ALL OF WESTERN AND NORTHWEST MISSOURI... AND ADJACENT AREAS OF
EASTERN KANSAS.

MOZ001>005-011>014-022-302300-
/O.EXB.KEAX.FW.W.0008.000000T0000Z-111030T2300Z/
ATCHISON MO-NODAWAY-WORTH-GENTRY-HARRISON-HOLT-ANDREW-DE KALB-
DAVIESS-CALDWELL-
307 PM CDT SUN OCT 30 2011

...RED FLAG WARNING IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR GUSTY WINDS 
AND LOW HUMIDITY FOR NORTHWEST MISSOURI...

THE NATIONAL WEATHER SERVICE IN KANSAS CITY/PLEASANT HILL HAS
ISSUED A RED FLAG WARNING WHICH IS IN EFFECT UNTIL 6 PM CDT THIS
EVENING.

* AFFECTED AREA...THE RED FLAG WARNING HAS BEEN EXPANDED TO INCLUDE
  ALL OF NORTHWEST MISSOURI

* WINDS...NORTHWEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TIMING...A NARROW WINDOW OF CRITICAL FIRE WEATHER CONDITIONS IS
  EXPECTED BETWEEN 3 AND 5 PM...WITH IMPROVING CONDITIONS TOWARD SUNSET.

* RELATIVE HUMIDITY...AS LOW AS 20 PERCENT.

* TEMPERATURES...AROUND 60.

* IMPACTS...GUSTY WINDS AND DANGEROUS LOW HUMIDITY LEVELS COULD ALLOW
  FIRES TO BECOME UNCONTROLLABLE. USE EXTREME CAUTION. OUTDOOR
  BURNING IS NOT ADVISED.

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.

&&

$$

KSZ025-057-060-102>105-MOZ020-021-028>030-037-038-043>045-053-054-
302300-
/O.EXT.KEAX.FW.W.0008.000000T0000Z-111030T2300Z/
ATCHISON KS-MIAMI-LINN KS-DONIPHAN-LEAVENWORTH-WYANDOTTE-
JOHNSON KS-BUCHANAN-CLINTON-PLATTE-CLAY-RAY-JACKSON-LAFAYETTE-
CASS-JOHNSON MO-PETTIS-BATES-HENRY-
307 PM CDT SUN OCT 30 2011

...RED FLAG WARNING NOW IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY FOR WEST CENTRAL AND PARTS OF
NORTHWEST MISSOURI AS WELL AS ADJACENT AREAS OF EASTERN KANSAS...

THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 6 PM CDT THIS
EVENING. 

* AFFECTED AREAS...INCLUDE ALL OF WEST CENTRAL MISSOURI AS WELL 
  AS PARTS OF NORTHWEST MISSOURI...AND ADJACENT AREAS OF EASTERN 
  KANSAS. 

* TIMING...RED FLAG CONDITIONS ARE EXPECTED TO PERSIST OVER THE AREA
  THROUGH 5 PM...WITH IMPROVING CONDITIONS TOWARD SUNSET.

* WINDS...NORTHWEST 15 TO 20 MPH WITH GUSTS AROUND 25 MPH.

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

* TEMPERATURES...IN THE LOWER 60S.

* IMPACTS...GUSTY WINDS AND LOW RELATIVITY HUMIDITIES...COUPLED 
  WITH THE INCREASING DROUGHT CONDITIONS...WILL LEAD TO 
  DANGEROUS FIRE CONDITIONS THIS AFTERNOON. PERSONS SHOULD AVOID 
  ANY OUTDOOR BURNING AS FIRES COULD QUICKLY SPREAD AND BECOME 
  UNCONTROLLABLE. 

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.

&&

$$

BOOKBINDER
890 
WWUS83 KEAX 302303
RFWEAX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
603 PM CDT SUN OCT 30 2011


KSZ025-057-060-102>105-MOZ001>005-011>014-020>022-028>030-037-038-
043>045-053-054-310015-
/O.EXP.KEAX.FW.W.0008.000000T0000Z-111030T2300Z/
ATCHISON KS-MIAMI-LINN KS-DONIPHAN-LEAVENWORTH-WYANDOTTE-
JOHNSON KS-ATCHISON MO-NODAWAY-WORTH-GENTRY-HARRISON-HOLT-ANDREW-
DE KALB-DAVIESS-BUCHANAN-CLINTON-CALDWELL-PLATTE-CLAY-RAY-JACKSON-
LAFAYETTE-CASS-JOHNSON MO-PETTIS-BATES-HENRY-
603 PM CDT SUN OCT 30 2011

...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW HUMIDITY
FOR NORTHWEST MISSOURI...

WIND SPEEDS WERE QUICKLY DECREASING AS RELATIVE HUMIDITY VALUES
WERE INCREASING WITH SUNSET THIS EVENING. THUS...THE THREAT FOR
UNCONTROLLED FIRE GROWTH HAS WANED.

$$

21

Nearby

Red Flag Warnings in Missouri, 2011Red 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.