Alert archive / Alabama / Red Flag Warnings in 2022

Red Flag Warning 7, NWS Mobile, AL

September 29, 202212 counties in Alabama; 5 counties in Mississippi; Escambia County, Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this red flag warning at Sep 29, 2022, 3:46 AM CDT for 12 counties in Alabama; 5 counties in Mississippi; Escambia County, Okaloosa County, Santa Rosa County, Florida. It took effect at Sep 29, 2022, 11:00 AM CDT. It was in force for 7 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
Sep 29, 2022, 3:46 AM CDT (08:46 UTC)
In effect from
Sep 29, 2022, 11:00 AM CDT
Expired
Sep 29, 2022, 6:00 PM CDT
In force
7 hr
Issued by
NWS Mobile, AL

Counties Baldwin County, AL, Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 83 km from the middle of the area, began a volume at 08:47 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

Slidell Radar S, LA (KSIL), launched 00:00Z, 8.8 hours before the alert went out and 223 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, Slidell Radar S, LA at 00:00Z on 2022-09-29Temperature 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, Slidell Radar S, LA at 00:00Z on 2022-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -76 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
2795 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-76 m²/s²
0-3 km storm-relative helicity
-16 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

687 
WWUS84 KMOB 290846
RFWMOB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Mobile AL
346 AM CDT Thu Sep 29 2022

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR ALL OF SOUTHEAST MISSISSIPPI, SOUTHWEST ALABAMA, AND 
NORTHWEST FLORIDA DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY...

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-292300-
/O.UPG.KMOB.FW.A.0005.220929T1500Z-220929T2300Z/
/O.NEW.KMOB.FW.W.0007.220929T1600Z-220929T2300Z/
Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-
Escambia-Covington-Mobile Inland-Baldwin Inland-Mobile Central-
Baldwin Central-Mobile Coastal-Baldwin Coastal-Escambia Inland-
Escambia Coastal-Santa Rosa Inland-Santa Rosa Coastal-
Okaloosa Inland-Okaloosa Coastal-Wayne-Perry-Greene-Stone-George-
346 AM CDT Thu Sep 29 2022

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM CDT
THIS EVENING DUE TO A COMBINATION OF LOW RELATIVE HUMIDITY VALUES, 20 FOOT 
WINDS AROUND 15 MPH, AND HIGH KBDI/ERC VALUES...

The National Weather Service in Mobile has issued a Red Flag
Warning, which is in effect from 11 AM this morning to 6 PM CDT
this evening. The Fire Weather Watch is no longer in effect.

* AFFECTED AREA...Fire Weather Zones 051, 052, 053, 054, 055, 
  056, 057, 058, 059, 060, 067, 075, 076, 078, 079, 201, 202, 
  203, 204, 205, 206, 261, 262, 263, 264, 265 and 266.

* WINDS...Northeast 15 to 20 mph with gusts up to 30 mph.

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

* 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 can
contribute to extreme fire behavior.

&&

$$
1 follow-up statement
245 
WWUS84 KMOB 291030
RFWMOB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Mobile AL
530 AM CDT Thu Sep 29 2022

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING UNTIL 6 PM 
CDT THIS EVENING FOR ALL OF SOUTHEAST MISSISSIPPI, SOUTHWEST 
ALABAMA, AND NORTHWEST FLORIDA DUE TO STRONG WINDS AND LOW 
RELATIVE HUMIDITY...

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-292300-
/O.CON.KMOB.FW.W.0007.220929T1600Z-220929T2300Z/
Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-
Escambia-Covington-Mobile Inland-Baldwin Inland-Mobile Central-
Baldwin Central-Mobile Coastal-Baldwin Coastal-Escambia Inland-
Escambia Coastal-Santa Rosa Inland-Santa Rosa Coastal-
Okaloosa Inland-Okaloosa Coastal-Wayne-Perry-Greene-Stone-George-
530 AM CDT Thu Sep 29 2022

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
6 PM CDT THIS EVENING DUE TO A COMBINATION OF LOW RELATIVE 
HUMIDITY VALUES, 20 FOOT WINDS AROUND 15 MPH, AND HIGH KBDI/ERC 
VALUES...

* AFFECTED AREA...Fire Weather Zones 051, 052, 053, 054, 055, 
  056, 057, 058, 059, 060, 067, 075, 076, 078, 079, 201, 202, 
  203, 204, 205, 206, 261, 262, 263, 264, 265 and 266.

* WINDS...Northeast 15 to 20 mph with gusts up to 25 mph.

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

* 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 can
contribute to extreme fire behavior.

&&

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 29, 4:18 AM CDTSmall Craft AdvisoryMOB9 hr

Nearby

Red Flag Warnings in Alabama, 2022Red Flag Warnings in Mississippi, 2022Red Flag Warnings in Florida, 2022Every red flag warning in 2022

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.