Alert archive / Missouri / Red Flag Warnings in 2014

Red Flag Warning 1, NWS St. Louis, MO

January 23, 201424 counties in Missouri

NWS St. Louis, MO issued this red flag warning at Jan 23, 2014, 3:59 PM CST for 24 counties in Missouri. It took effect at Jan 24, 2014, 10:00 AM CST. It was in force for 9 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
Jan 23, 2014, 3:59 PM CST (21:59 UTC)
In effect from
Jan 24, 2014, 10:00 AM CST
Expired
Jan 24, 2014, 7:00 PM CST
In force
9 hr
Issued by
NWS St. Louis, MO
All 24 counties

Audrain County, MO, Boone County, MO, Callaway County, MO, City of Saint Louis, MO, Cole County, MO, Crawford County, MO, Dent County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Jefferson County, MO, Lincoln County, MO, Madison County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Warren County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 57 km from the middle of the area, began a volume at 22:03 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

Springfield, MO (KSGF), launched 12:00Z, 10.0 hours before the alert went out and 282 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, Springfield, MO at 12:00Z on 2014-01-23Temperature 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, Springfield, MO at 12:00Z on 2014-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -159 square meters per square second.1939587897117136Sfc1 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
1518 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
-159 m²/s²
0-3 km storm-relative helicity
-41 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.

184 
WWUS83 KLSX 232159
RFWLSX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
359 PM CST THU JAN 23 2014

MOZ041-047>051-059-060-062-065-072>075-083>085-099-241000-
/O.NEW.KLSX.FW.W.0001.140124T1600Z-140125T0100Z/
BOONE MO-CALLAWAY MO-COLE MO-CRAWFORD MO-DENT MO-FRANKLIN MO-
GASCONADE MO-IRON MO-JEFFERSON MO-MADISON MO-MONITEAU MO-
MONTGOMERY MO-OSAGE MO-REYNOLDS MO-ST. FRANCOIS MO-
STE. GENEVIEVE MO-WARREN MO-WASHINGTON MO-
359 PM CST THU JAN 23 2014

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 7 PM CST FRIDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR PARTS OF CENTRAL...EAST CENTRAL
...AND MUCH OF SOUTHEAST MISSOURI...  

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM 10 AM TO 7 PM CST FRIDAY.

* AFFECTED AREA...IN MISSOURI...FIRE WEATHER ZONES 041...047... 
  048...049...050...051...059...060...062...065...072...073...
  074... 075...083...084...085 AND 099.

* 20FT WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...AS LOW AS 14 PERCENT.

* 10HR FUELS...LESS THAN 9 PERCENT.

* IMPACTS...THESE CONDITIONS ARE CONDUCIVE FOR THE RAPID SPREAD 
  AND GROWTH OF UNCONTROLLED WILDFIRES.

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 DRY FUELS CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

TRUETT
2 follow-up statements
283 
WWUS83 KLSX 241045
RFWLSX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
445 AM CST FRI JAN 24 2014

MOZ034-042-052-061-063-064-250100-
/O.EXA.KLSX.FW.W.0001.140124T1600Z-140125T0100Z/
AUDRAIN MO-LINCOLN MO-MONROE MO-ST. CHARLES MO-ST. LOUIS CITY MO-
ST. LOUIS MO-
445 AM CST FRI JAN 24 2014

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CST
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR CENTRAL AND 
EAST CENTRAL MISSOURI...

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM 10 AM THIS MORNING TO 7 PM CST THIS EVENING.

* AFFECTED AREA...IN MISSOURI...FIRE WEATHER ZONES 034...042... 
  052...061...063 AND 064.

* 20FT WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

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

* 10HR FUELS...LESS THAN 9 PERCENT.

* IMPACTS...THESE CONDITIONS ARE CONDUCIVE FOR THE RAPID SPREAD 
  AND GROWTH OF UNCONTROLLED WILDFIRES.

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 DRY FUELS CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

MOZ041-047>051-059-060-062-065-072>075-083>085-099-250100-
/O.CON.KLSX.FW.W.0001.140124T1600Z-140125T0100Z/
BOONE MO-CALLAWAY MO-COLE MO-CRAWFORD MO-DENT MO-FRANKLIN MO-
GASCONADE MO-IRON MO-JEFFERSON MO-MADISON MO-MONITEAU MO-
MONTGOMERY MO-OSAGE MO-REYNOLDS MO-ST. FRANCOIS MO-
STE. GENEVIEVE MO-WARREN MO-WASHINGTON MO-
445 AM CST FRI JAN 24 2014

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
7 PM CST THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR CENTRAL 
AND EAST CENTRAL AND SOUTHEAST MISSOURI...

* AFFECTED AREA...IN MISSOURI...FIRE WEATHER ZONES 041...047... 
  048...049...050...051...059...060...062...065...072...073...
  074... 075...083...084...085 AND 099.

* 20FT WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* RELATIVE HUMIDITY...AS LOW AS 14 PERCENT.

* 10HR FUELS...LESS THAN 9 PERCENT.

* IMPACTS...THESE CONDITIONS ARE CONDUCIVE FOR THE RAPID SPREAD 
  AND GROWTH OF UNCONTROLLED WILDFIRES.

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 DRY FUELS CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

GLASS
140 
WWUS83 KLSX 250114
RFWLSX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
714 PM CST FRI JAN 24 2014

MOZ034-041-042-047>052-059>065-072>075-083>085-099-250215-
/O.EXP.KLSX.FW.W.0001.000000T0000Z-140125T0100Z/
AUDRAIN MO-BOONE MO-CALLAWAY MO-COLE MO-CRAWFORD MO-DENT MO-
FRANKLIN MO-GASCONADE MO-IRON MO-JEFFERSON MO-LINCOLN MO-
MADISON MO-MONITEAU MO-MONROE MO-MONTGOMERY MO-OSAGE MO-
REYNOLDS MO-ST. CHARLES MO-ST. FRANCOIS MO-ST. LOUIS CITY MO-
ST. LOUIS MO-STE. GENEVIEVE MO-WARREN MO-WASHINGTON MO-
714 PM CST FRI JAN 24 2014

...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE
HUMIDITY FOR CENTRAL...EAST CENTRAL AND SOUTHEAST MISSOURI...

WINDS HAVE DECREASED BELOW 15 MPH AND DEW POINTS HAVE INCREASED
WHICH MEANS RELATIVE HUMIDITY VALUES HAVE RISEN ABOVE 25 PERCENT.
CRITICAL FIRE WEATHER CONDITIONS NO LONGER EXIST SO THE RED FLAG
WARNING IS BEING ALLOWED TO EXPIRE.

$$

2%

Nearby

Red Flag Warnings in Missouri, 2014Every red flag warning in 2014

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.