Alert archive / Missouri / Red Flag Warnings in 2011

Red Flag Warning 5, NWS Kansas City, MO

October 5, 2011Atchison County, Missouri

NWS Kansas City, MO issued this red flag warning at Oct 5, 2011, 4:05 AM CDT for Atchison County, Missouri. It took effect at Oct 5, 2011, 12:00 PM CDT. It was in force for 35 min. 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 5, 2011, 4:05 AM CDT (09:05 UTC)
In effect from
Oct 5, 2011, 12:00 PM CDT
Expired
Oct 5, 2011, 12:35 PM CDT
In force
35 min
Issued by
NWS Kansas City, MO

County Atchison County, MO

The radar

The Omaha radar (KOAX), 127 km from the middle of the area, began a volume at 09:09 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

Omaha, NE (KOAX), launched 00:00Z, 9.1 hours before the alert went out and 127 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, Omaha, NE at 00:00Z on 2011-10-05Temperature 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, Omaha, NE at 00:00Z on 2011-10-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 square meters per square second.1939Sfc1 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
3565 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
18 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.

759 
WWUS83 KEAX 050905
RFWEAX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
405 AM CDT WED OCT 5 2011


MOZ001-060000-
/O.NEW.KEAX.FW.W.0005.111005T1700Z-111006T0000Z/
ATCHISON MO-
405 AM CDT WED OCT 5 2011

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE
001...

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

* AFFECTED AREA...IN MISSOURI...FIRE WEATHER ZONE 001.

* WIND...SOUTH WINDS BETWEEN 15 AND 20 MPH CAN BE EXPECTED WITH GUSTS
  UP TO 30 MPH.

* HUMIDITY...RELATIVE HUMIDITY VALUES WILL FALL TO BETWEEN 20 AND 25
  PERCENT IN THE AFTERNOON.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

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.

&&

$$

HAWBLITZEL
1 follow-up statement
628 
WWUS83 KEAX 051735
RFWEAX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1235 PM CDT WED OCT 5 2011

MOZ001-051845-
/O.CAN.KEAX.FW.W.0005.000000T0000Z-111006T0000Z/
ATCHISON MO-
1235 PM CDT WED OCT 5 2011

...RED FLAG WARNING IS CANCELLED FOR THIS AFTERNOON FOR
GUSTY WINDS AND LOW HUMIDITY FOR ATCHISON COUNTY MISSOURI...

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS CANCELLED 
THE RED FLAG WARNING THAT WAS IN EFFECT FOR ATCHISON COUNTY 
MISSOURI.

WINDS ARE NO LONGER EXPECTED TO BECOME STRONG AND GUSTY THIS
AFTERNOON...AND WILL INSTEAD CONTINUE FROM THE SOUTH AT 10 
TO 15 MPH. FIRE DANGER WILL REMAIN ELEVATED AS HUMIDITY VALUES
FALL TO AROUND 25 PERCENT BETWEEN 1 AND 6 PM...BUT THE THREAT
FOR UNCONTROLLED WILD FIRES HAS DIMINISHED.

$$

BOOKBINDER

Nearby

Red Flag Warnings in Missouri, 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.