Alert archive / Alabama / Red Flag Warnings in 2010

Red Flag Warning 75, NWS Mobile, AL

October 27, 201010 counties in Alabama

NWS Mobile, AL issued this red flag warning at Oct 27, 2010, 2:44 PM CDT for 10 counties in Alabama. It took effect at Oct 28, 2010, 1:00 PM CDT. It was in force for . 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 27, 2010, 2:44 PM CDT (19:44 UTC)
In effect from
Oct 28, 2010, 1:00 PM CDT
Expired
Oct 28, 2010, 5:41 AM CDT
In force
Issued by
NWS Mobile, AL

Counties Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL

The radar

The Mobile radar (KMOB), 138 km from the middle of the area, began a volume at 19:46 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

Birmingham, AL (KBMX), launched 12:00Z, 7.7 hours before the alert went out and 182 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, Birmingham, AL at 12:00Z on 2010-10-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1358 joules per kilogram.LCLLFCEL10008507005003002001001 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, Birmingham, AL at 12:00Z on 2010-10-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 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
1358 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
481 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
142 m²/s²
Significant tornado parameter
0.7
Supercell composite
5.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

093 
WWUS84 KMOB 271944
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
244 PM CDT WED OCT 27 2010

...RED FLAG WARNING IN EFFECT THURSDAY AFTERNOON FOR INTERIOR
SOUTHWEST ALABAMA DUE TO LONG DURATION OF RELATIVE HUMIDITY BELOW 30
PERCENT...20 FOOT WINDS ABOVE 10 MPH...AND KBDI ABOVE 500. RED FLAG
WARNING IN EFFECT THURSDAY AFTERNOON IN THE WESTERN FLORIDA PANHANDLE
DUE TO LONG DURATION OF LOW RELATIVE HUMIDITY LESS THAN 35 PERCENT.

...FIRE WEATHER WATCH IN EFFECT FRIDAY AFTERNOON FOR INTERIOR
SOUTHWEST ALABAMA DUE TO LONG DURATION OF RELATIVE HUMIDITY BELOW 30
PERCENT...20 FOOT WINDS ABOVE 10 MPH...AND KBDI ABOVE 500. FIRE
WEATHER WATCH IN EFFECT ON FRIDAY AFTERNOON IN THE WESTERN FLORIDA
PANHANDLE DUE TO LONG DURATION OF LOW RELATIVE HUMIDITY LESS THAN 35
PERCENT.

.A STRONG FRONT WILL MOVE OVER THE AREA THURSDAY MORNING...BRINGING
COOLER TEMPERATURES AND SIGNIFICANTLY DRY AIR TO LAST THROUGH THE
WEEKEND.

ALZ051>064-FLZ001>006-281145-
/O.UPG.KMOB.FW.A.0068.101028T1800Z-101029T0000Z/
/O.NEW.KMOB.FW.W.0075.101028T1800Z-101029T0000Z/
/O.CON.KMOB.FW.A.0069.101029T1700Z-101030T0000Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
244 PM CDT WED OCT 27 2010

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 7 PM CDT THURSDAY FOR
INTERIOR SOUTHWEST ALABAMA DUE TO LONG DURATION OF RELATIVE HUMIDITY
BELOW 30 PERCENT...20 FOOT WINDS ABOVE 10 MPH...AND KBDI ABOVE 500.
RED FLAG WARNING IN EFFECT THURSDAY AFTERNOON IN THE WESTERN FLORIDA
PANHANDLE DUE TO LONG DURATION OF LOW RELATIVE HUMIDITY LESS THAN 35
PERCENT.

...FIRE WEATHER WATCH IN EFFECT FRIDAY AFTERNOON FOR INTERIOR
SOUTHWEST ALABAMA DUE TO LONG DURATION OF RELATIVE HUMIDITY BELOW 30
PERCENT...20 FOOT WINDS ABOVE 10 MPH...AND KBDI ABOVE 500. FIRE
WEATHER WATCH IN EFFECT ON FRIDAY AFTERNOON IN THE WESTERN FLORIDA
PANHANDLE DUE TO LONG DURATION OF LOW RELATIVE HUMIDITY LESS THAN 35
PERCENT.

.A STRONG FRONT WILL MOVE OVER THE AREA THURSDAY MORNING...BRINGING
COOLER TEMPERATURES AND SIGNIFICANTLY DRY AIR TO LAST THROUGH THE
WEEKEND.

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING
WHICH IS IN EFFECT FROM 1 PM TO 7 PM CDT THURSDAY. THIS RED FLAG
WARNING SUPERCEDES THE FIRE WEATHER WATCH PREVIOUSLY ISSUED. A FIRE
WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY
EVENING.

A STRONG FRONT WILL MOVE OVER THE AREA THURSDAY MORNING BRINGING
COOLER AND SIGNIFICANTLY DRIER AIR INTO THE REGION. THIS DRY AIRMASS
IS EXPECTED TO LAST THROUGH THE WEEKEND.

AFTERNOON RELATIVE HUMIDITY IS EXPECTED TO DROP TO LESS THAN 25
PERCENT OVER MOST OF THE WATCH AREA THURSDAY THROUGH SUNDAY AFTERNOONS.

&&

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 BRING
EXPLOSIVE FIRE GROWTH POTENTIAL.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG
WARNINGS.

&&

$$
2 follow-up statements
362 
WWUS84 KMOB 272329
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
629 PM CDT WED OCT 27 2010

...RED FLAG WARNING IN EFFECT THURSDAY AFTERNOON FOR INTERIOR
SOUTHWEST ALABAMA AND THE WESTERN FLORIDA PANHANDLE DUE TO RELATIVE
HUMIDITY BELOW 30 PERCENT AND 20 FOOT WINDS OF 10 TO 20 MPH...

...FIRE WEATHER WATCH IN EFFECT FRIDAY AFTERNOON FOR INTERIOR
SOUTHWEST ALABAMA AND THE WESTERN FLORIDA PANHANDLE DUE TO RELATIVE
HUMIDITY BELOW 30 PERCENT AND 20 FOOT WINDS OF 10 TO 15 MPH...

.A STRONG FRONT WILL MOVE OVER THE AREA THURSDAY MORNING BRINGING
COOLER TEMPERATURES AND SIGNIFICANTLY DRY AIR TO LAST THROUGH THE
WEEKEND.

ALZ051>064-FLZ001>006-281145-
/O.CON.KMOB.FW.W.0075.101028T1800Z-101029T0000Z/
/O.CON.KMOB.FW.A.0069.101029T1700Z-101030T0000Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
629 PM CDT WED OCT 27 2010

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM TO 7 PM CDT
THURSDAY...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH FRIDAY EVENING...

A RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM TO 7 PM CDT
THURSDAY. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY
AFTERNOON THROUGH FRIDAY EVENING. 

A STRONG FRONT WILL MOVE OVER THE AREA THURSDAY MORNING BRINGING
COOLER AND SIGNIFICANTLY DRIER AIR INTO THE REGION. THIS DRY AIRMASS
IS EXPECTED TO LAST THROUGH THE WEEKEND.

AFTERNOON RELATIVE HUMIDITY IS EXPECTED TO DROP TO 25 TO 30 PERCENT
OVER MOST OF THE WARNING AREA ON THURSDAY WITH 20 FOOT WINDS
INCREASING TO 1O TO 20 MPH. ON FRIDAY...SIMILAR HUMIDITY READINGS ARE
EXPECTED WITH 20 FOOT WINDS AVERAGING 10 TO 15 MPH. 

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 BRING
EXPLOSIVE FIRE GROWTH POTENTIAL.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$
658 
WWUS84 KMOB 281041
RFWMOB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
541 AM CDT THU OCT 28 2010

...RED FLAG WARNING IN EFFECT THURSDAY AFTERNOON HAS BEEN 
CANCELLED...

...FIRE WEATHER WATCH IN EFFECT FRIDAY AFTERNOON FOR INTERIOR
SOUTHWEST ALABAMA AND THE WESTERN FLORIDA...

.A STRONG FRONT WILL MOVE OVER THE AREA THIS MORNING...BRINGING COOLER
TEMPERATURES AND SIGNIFICANTLY DRY AIR. THIS AIRMASS IS EXPECTED TO
LAST OVER MOST OF THE AREA THROUGH THE WEEKEND...EXCEPT FOR COASTAL
AREAS. SOUTHERLY FLOW IS EXPECTED TO RETURN TO THE AREA SATURDAY
NIGHT...BRINGING GULF MOISTURE OVER THE AREA.

ALZ051>064-FLZ001>006-290245-
/O.CAN.KMOB.FW.W.0075.101028T1800Z-101029T0000Z/
/O.CON.KMOB.FW.A.0069.101029T1700Z-101030T0000Z/
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-
541 AM CDT THU OCT 28 2010

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH FRIDAY EVENING...
...RED FLAG WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE RED FLAG
WARNING FOR TODAY. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY
AFTERNOON THROUGH FRIDAY EVENING. 

A STRONG FRONT WILL MOVE OVER THE AREA THIS MORNING BRINGING COOLER
AND SIGNIFICANTLY DRIER AIR INTO THE REGION. THIS DRY AIRMASS IS
EXPECTED TO LAST THROUGH THE WEEKEND..EXCEPT FOR COASTAL
AREAS. SOUTHERLY FLOW IS EXPECTED TO RETURN TO THE AREA SATURDAY
NIGHT...BRINGING GULF MOISTURE OVER THE AREA.

AFTERNOON RELATIVE HUMIDITY IS EXPECTED TO DROP TO 25 TO
30 PERCENT OVER MOST OF THE WATCH AREA ON FRIDAY...WITH 20 FOOT
WINDS AVERAGING 10 TO 15 MPH EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED
FLAG WARNINGS.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 27, 5:55 AM CDTFire Weather WatchMOBButler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more9 hr
Oct 27, 5:55 AM CDTFire Weather WatchMOBButler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more48 hr
Oct 27, 3:32 PM CDTSmall Craft AdvisoryMOB47 hr
Oct 27, 6:08 PM CDTSevere Thunderstorm WarningMOBWilcox37 min

Nearby

Red Flag Warnings in Alabama, 2010Red Flag Warnings in Florida, 2010Every red flag warning in 2010

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.