Alert archive / Missouri / Red Flag Warnings in 2024

Red Flag Warning 2, NWS St. Louis, MO

February 26, 202425 counties in Missouri; Calhoun County, Illinois

NWS St. Louis, MO issued this red flag warning at Feb 26, 2024, 12:23 PM CST for 25 counties in Missouri; Calhoun County, Illinois. It took effect at Feb 27, 2024, 11:00 AM CST. It was in force for 8 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
Feb 26, 2024, 12:23 PM CST (18:23 UTC)
In effect from
Feb 27, 2024, 11:00 AM CST
Expired
Feb 27, 2024, 7:00 PM CST
In force
8 hr
Issued by
NWS St. Louis, MO
All 26 counties

Calhoun County, IL, 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, Marion County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Ralls County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Louis County, MO, Shelby County, MO, Warren County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 58 km from the middle of the area, began a volume at 18:23 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

Lincoln, IL (KILX), launched 12:00Z, 6.4 hours before the alert went out and 287 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, Lincoln, IL at 12:00Z on 2024-02-26Temperature 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, Lincoln, IL at 12:00Z on 2024-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
2121 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

370 
WWUS83 KLSX 261823
RFWLSX

URGENT - FIRE WEATHER MESSAGE
National Weather Service St Louis MO
1223 PM CST Mon Feb 26 2024

...Another very warm, dry, windy day Tuesday...

MOZ041-047>051-059-060-062-270230-
/O.NEW.KLSX.FW.W.0002.240227T1700Z-240228T0100Z/
/O.CON.KLSX.FW.W.0001.000000T0000Z-240227T0000Z/
Boone MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO-
Gasconade MO-Warren MO-Franklin MO-
1223 PM CST Mon Feb 26 2024

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING
FOR CRITICAL FIRE DANGER FOR PORTIONS OF CENTRAL MISSOURI... 

...RED FLAG WARNING IN EFFECT FROM 11 AM UNTIL 6 PM CST TUESDAY 
FOR CRITICAL FIRE DANGER FOR PORTIONS OF CENTRAL MISSOURI... 

The National Weather Service in St Louis has issued a Red Flag
Warning for critical fire danger, which is in effect from 11 AM 
to 7 PM CST Tuesday.

* AFFECTED AREA...Fire Weather Zone 041 Boone MO, Fire Weather 
  Zone 047 Moniteau MO, Fire Weather Zone 048 Cole MO, Fire 
  Weather Zone 049 Osage MO, Fire Weather Zone 050 Callaway MO, 
  Fire Weather Zone 051 Montgomery MO, Fire Weather Zone 059 
  Gasconade MO, Fire Weather Zone 060 Warren MO and Fire Weather 
  Zone 062 Franklin MO.

* TIMING...10 AM to 6 PM.

* WINDS...South 15 to 25 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...As low as 22 percent.

* TEMPERATURES...Up to 83.

* IMPACTS...Fires that start have the potential to get out of 
  control quickly. People are urged to avoid activities that 
  could result in inadvertent fire starts.

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.

&&

$$

MOZ072-083-270230-
/O.NEW.KLSX.FW.W.0002.240227T1700Z-240228T0100Z/
Crawford MO-Dent MO-
1223 PM CST Mon Feb 26 2024

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM CST TUESDAY FOR
CRITICAL FIRE DANGER FOR PARTS OF CENTRAL MISSOURI...

The National Weather Service in St Louis has issued a Red Flag
Warning for critical fire danger, which is in effect from 11 AM 
to 7 PM CST Tuesday.

* AFFECTED AREA...Fire Weather Zone 072 Crawford MO and Fire 
  Weather Zone 083 Dent MO.

* TIMING...11 AM to 7 PM

* WINDS...Southwest 15 to 20 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...As low as 24 percent.

* TEMPERATURES...Up to 82.

* IMPACTS...Fires that start have the potential to get out of 
  control quickly. People are urged to avoid activities that 
  could result in inadvertent fire starts.

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.

&&

$$

ILZ058-095>099-MOZ018-019-026-027-034>036-042-052-061-063-270000-
/O.CON.KLSX.FW.W.0001.000000T0000Z-240227T0000Z/
Greene IL-Adams IL-Brown IL-Pike IL-Calhoun IL-Jersey IL-Knox MO-
Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-
Audrain MO-Lincoln MO-Saint Charles MO-Saint Louis MO-
1223 PM CST Mon Feb 26 2024

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING
FOR CRITICAL FIRE DANGER FOR PARTS OF EAST CENTRAL AND NORTHEAST
MISSOURI AS WELL AS WEST CENTRAL ILLINOIS...

* AFFECTED AREA...Fire Weather Zone 018 Knox MO, Fire Weather 
  Zone 019 Lewis MO, Fire Weather Zone 026 Shelby MO, Fire 
  Weather Zone 027 Marion MO, Fire Weather Zone 034 Monroe MO, 
  Fire Weather Zone 035 Ralls MO, Fire Weather Zone 036 Pike MO, 
  Fire Weather Zone 042 Audrain MO, Fire Weather Zone 052 
  Lincoln MO, Fire Weather Zone 058 Greene IL, Fire Weather Zone 
  061 Saint Charles MO, Fire Weather Zone 063 Saint Louis MO, 
  Fire Weather Zone 095 Adams IL, Fire Weather Zone 096 Brown 
  IL, Fire Weather Zone 097 Pike IL, Fire Weather Zone 098 
  Calhoun IL and Fire Weather Zone 099 Jersey IL.

* TIMING...10 AM to 6 PM.

* WINDS...South 10 to 20 mph with gusts up to 30 mph.

* RELATIVE HUMIDITY...As low as 24 percent.

* TEMPERATURES...Up to 76.

* IMPACTS...Fires that start have the potential to get out of 
  control quickly. People are urged to avoid activities that 
  could result in inadvertent fire starts.

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.

&&

$$

Gosselin
4 follow-up statements
697 
WWUS83 KLSX 270127
RFWLSX

URGENT - FIRE WEATHER MESSAGE
National Weather Service St Louis MO
727 PM CST Mon Feb 26 2024

...Another very warm, dry, windy day Tuesday...

MOZ041-047>051-059-060-062-072-083-270930-
/O.CON.KLSX.FW.W.0002.240227T1700Z-240228T0100Z/
Boone MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO-
Gasconade MO-Warren MO-Franklin MO-Crawford MO-Dent MO-
727 PM CST Mon Feb 26 2024

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 7 PM CST
TUESDAY FOR CRITICAL FIRE DANGER FOR PORTIONS OF CENTRAL
MISSOURI...

* AFFECTED AREA...Fire Weather Zone 041 Boone MO, Fire Weather 
  Zone 047 Moniteau MO, Fire Weather Zone 048 Cole MO, Fire 
  Weather Zone 049 Osage MO, Fire Weather Zone 050 Callaway MO, 
  Fire Weather Zone 051 Montgomery MO, Fire Weather Zone 059 
  Gasconade MO, Fire Weather Zone 060 Warren MO, Fire Weather 
  Zone 062 Franklin MO, Fire Weather Zone 072 Crawford MO and 
  Fire Weather Zone 083 Dent MO.

* TIMING...11 AM to 7 PM.

* WINDS...Southwest 15 to 25 mph with gusts up to 45 mph.

* RELATIVE HUMIDITY...As low as 24 percent.

* TEMPERATURES...Up to 83.

* IMPACTS...Fires that start have the potential to get out of 
  control quickly. People are urged to avoid activities that 
  could result in inadvertent fire starts.

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.

&&

$$

Byrd
875 
WWUS83 KLSX 270208 CCA 
RFWLSX

URGENT - FIRE WEATHER MESSAGE...CORRECTED
National Weather Service St Louis MO
808 PM CST Mon Feb 26 2024

...GUSTY WINDS, LOW HUMIDITY, VERY WARM TEMPERATURES AND DRY 
VEGETATION WILL LEAD TO CRITICAL FIRE WEATHER CONDITIONS AGAIN IN
SOME AREAS TUESDAY...

MOZ041-047>051-059-060-062-072-083-270930-
/O.CON.KLSX.FW.W.0002.240227T1700Z-240228T0100Z/
Boone MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO-
Gasconade MO-Warren MO-Franklin MO-Crawford MO-Dent MO-
808 PM CST Mon Feb 26 2024

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 7 PM CST
TUESDAY FOR CRITICAL FIRE DANGER FOR PORTIONS OF CENTRAL
MISSOURI...

* AFFECTED AREA...Fire Weather Zone 041 Boone MO, Fire Weather 
  Zone 047 Moniteau MO, Fire Weather Zone 048 Cole MO, Fire 
  Weather Zone 049 Osage MO, Fire Weather Zone 050 Callaway MO, 
  Fire Weather Zone 051 Montgomery MO, Fire Weather Zone 059 
  Gasconade MO, Fire Weather Zone 060 Warren MO, Fire Weather 
  Zone 062 Franklin MO, Fire Weather Zone 072 Crawford MO and 
  Fire Weather Zone 083 Dent MO.

* TIMING...11 AM to 7 PM.

* WINDS...Southwest 15 to 25 mph with gusts up to 45 mph.

* RELATIVE HUMIDITY...As low as 24 percent.

* TEMPERATURES...Up to 83.

* IMPACTS...Fires that start have the potential to get out of 
  control quickly. People are urged to avoid activities that 
  could result in inadvertent fire starts.

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.

&&

$$

Byrd
930 
WWUS83 KLSX 270912
RFWLSX

URGENT - FIRE WEATHER MESSAGE
National Weather Service St Louis MO
312 AM CST Tue Feb 27 2024

...GUSTY WINDS, LOW HUMIDITY, VERY WARM TEMPERATURES AND DRY
VEGETATION WILL LEAD TO CRITICAL FIRE WEATHER CONDITIONS AGAIN IN
SOME AREAS TUESDAY...

MOZ026-027-034>036-042-052-073-084-099-271715-
/O.EXB.KLSX.FW.W.0002.240227T1800Z-240228T0000Z/
Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-Audrain MO-
Lincoln MO-Washington MO-Iron MO-Reynolds MO-
312 AM CST Tue Feb 27 2024

...RED FLAG WARNING IN EFFECT FROM 11 AM TODAY TO 7 PM CST THIS 
EVENING FOR CRITICAL FIRE WEATHER FOR PARTS OF CENTRAL, 
NORTHEAST, AND SOUTHEAST MISSOURI...

The National Weather Service in St Louis has issued a Red Flag
Warning due to strong winds, low humidity, very warm temperatures
and dry vegetation, which is in effect from 11 today to 7 PM CST 
this evening.

* AFFECTED AREA...Fire Weather Zone 026 Shelby MO, Fire Weather 
  Zone 027 Marion MO, Fire Weather Zone 034 Monroe MO, Fire 
  Weather Zone 035 Ralls MO, Fire Weather Zone 036 Pike MO, Fire 
  Weather Zone 042 Audrain MO, Fire Weather Zone 052 Lincoln MO, 
  Fire Weather Zone 073 Washington MO, Fire Weather Zone 084 
  Iron MO and Fire Weather Zone 099 Reynolds MO.

* TIMING...11 AM to 7 PM.

* WINDS...Southwest 10 to 20 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...As low as 25 percent.

* TEMPERATURES...Up to 81.

* IMPACTS...Fires that start have the potential to get out of 
  control quickly. People are urged to avoid activities that 
  could result in inadvertent fire starts.

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>051-059-060-062-072-083-271715-
/O.CON.KLSX.FW.W.0002.240227T1700Z-240228T0100Z/
Boone MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO-
Gasconade MO-Warren MO-Franklin MO-Crawford MO-Dent MO-
312 AM CST Tue Feb 27 2024

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
7 PM CST THIS EVENING FOR CRITICAL FIRE DANGER FOR PORTIONS OF
CENTRAL MISSOURI...

* AFFECTED AREA...Fire Weather Zone 041 Boone MO, Fire Weather 
  Zone 047 Moniteau MO, Fire Weather Zone 048 Cole MO, Fire 
  Weather Zone 049 Osage MO, Fire Weather Zone 050 Callaway MO, 
  Fire Weather Zone 051 Montgomery MO, Fire Weather Zone 059 
  Gasconade MO, Fire Weather Zone 060 Warren MO, Fire Weather 
  Zone 062 Franklin MO, Fire Weather Zone 072 Crawford MO and 
  Fire Weather Zone 083 Dent MO.

* TIMING...11 AM to 7 PM.

* WINDS...Southwest 15 to 25 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...As low as 25 percent.

* TEMPERATURES...Up to 81.

* IMPACTS...Fires that start have the potential to get out of 
  control quickly. People are urged to avoid activities that 
  could result in inadvertent fire starts.

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.

&&

$$

19
167 
WWUS83 KLSX 271710
RFWLSX

URGENT - FIRE WEATHER MESSAGE
National Weather Service St Louis MO
1110 AM CST Tue Feb 27 2024

...GUSTY WINDS, LOW HUMIDITY, VERY WARM TEMPERATURES AND DRY
VEGETATION WILL LEAD TO CRITICAL FIRE WEATHER CONDITIONS AGAIN IN
SOME AREAS TUESDAY...

ILZ098-MOZ061-063>065-280100-
/O.EXA.KLSX.FW.W.0002.000000T0000Z-240228T0100Z/
Calhoun IL-Saint Charles MO-Saint Louis MO-Saint Louis City MO-
Jefferson MO-
1110 AM CST Tue Feb 27 2024

...RED FLAG WARNING IN EFFECT UNTIL 7 PM CST THIS EVENING FOR
CRITICAL FIRE DANGER FOR EASTERN MISSOURI AND FAR WESTERN ILLINOIS...

The National Weather Service in St Louis has issued a Red Flag
Warning for critical fire danger, which is in effect until 7 PM 
CST this evening.

* AFFECTED AREA...Fire Weather Zone 061 Saint Charles MO, Fire
  Weather Zone 063 Saint Louis MO, Fire Weather Zone 064 Saint
  Louis City MO, Fire Weather Zone 065 Jefferson MO and Fire
  Weather Zone 098 Calhoun IL.

* WINDS...Southwest 10 to 20 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...As low as 23 percent.

* TEMPERATURES...Up to 82.

* IMPACTS...Fires that start have the potential to get out of 
  control quickly. People are urged to avoid activities that 
  could result in inadvertent fire starts.

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.

&&

$$

MOZ026-027-034>036-042-052-073-084-099-280100-
/O.EXT.KLSX.FW.W.0002.240227T1710Z-240228T0100Z/
Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-Audrain MO-
Lincoln MO-Washington MO-Iron MO-Reynolds MO-
1110 AM CST Tue Feb 27 2024

...RED FLAG WARNING NOW IN EFFECT UNTIL 7 PM CST THIS EVENING FOR
CRITICAL FIRE DANGER FOR EASTERN MISSOURI...

* AFFECTED AREA...Fire Weather Zone 026 Shelby MO, Fire Weather
  Zone 027 Marion MO, Fire Weather Zone 034 Monroe MO, Fire
  Weather Zone 035 Ralls MO, Fire Weather Zone 036 Pike MO, Fire
  Weather Zone 042 Audrain MO, Fire Weather Zone 052 Lincoln MO,
  Fire Weather Zone 073 Washington MO, Fire Weather Zone 084 Iron
  MO and Fire Weather Zone 099 Reynolds MO.

* WINDS...Southwest 10 to 20 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...As low as 22 percent.

* TEMPERATURES...Up to 81.

* IMPACTS...Fires that start have the potential to get out of 
  control quickly. People are urged to avoid activities that 
  could result in inadvertent fire starts.

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>051-059-060-062-072-083-280100-
/O.CON.KLSX.FW.W.0002.000000T0000Z-240228T0100Z/
Boone MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO-
Gasconade MO-Warren MO-Franklin MO-Crawford MO-Dent MO-
1110 AM CST Tue Feb 27 2024

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CST THIS EVENING
FOR CRITICAL FIRE DANGER FOR CENTRAL AND SOUTHEAST MISSOURI...

* AFFECTED AREA...Fire Weather Zone 041 Boone MO, Fire Weather
  Zone 047 Moniteau MO, Fire Weather Zone 048 Cole MO, Fire
  Weather Zone 049 Osage MO, Fire Weather Zone 050 Callaway MO,
  Fire Weather Zone 051 Montgomery MO, Fire Weather Zone 059
  Gasconade MO, Fire Weather Zone 060 Warren MO, Fire Weather Zone
  062 Franklin MO, Fire Weather Zone 072 Crawford MO and Fire
  Weather Zone 083 Dent MO.

* WINDS...Southwest 15 to 25 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...As low as 23 percent.

* TEMPERATURES...Up to 81.

* IMPACTS...Fires that start have the potential to get out of 
  control quickly. People are urged to avoid activities that 
  could result in inadvertent fire starts.

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.

&&

$$

Gosselin

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 26, 2:02 PM CSTWind AdvisoryLSXCrawford, Iron, Madison, Reynolds, Sainte Genevieve, Saint Francois and 1 more28 hr

Nearby

Red Flag Warnings in Missouri, 2024Red Flag Warnings in Illinois, 2024Every red flag warning in 2024

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.