Alert archive / Alabama / Red Flag Warnings in 2008
Red Flag Warning 89, NWS Mobile, AL
NWS Mobile, AL issued this red flag warning at Dec 21, 2008, 2:23 PM CST for 10 counties in Alabama. It took effect at Dec 22, 2008, 8:00 AM CST. It was in force for 12 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
- Dec 21, 2008, 2:23 PM CST (20:23 UTC)
- In effect from
- Dec 22, 2008, 8:00 AM CST
- Expired
- Dec 22, 2008, 8:00 PM CST
- In force
- 12 hr
- 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 20:28 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, 8.4 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.
- Mixed-layer CAPE
- 2 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 550 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- -170 m²/s²
- 0-3 km storm-relative helicity
- -98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS84 KMOB 212023 RFWMOB RED FLAG WARNING NATIONAL WEATHER SERVICE MOBILE AL 223 PM CST SUN DEC 21 2008 ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 6 PM CST MONDAY FOR SOUTHWEST AND SOUTH CENTRAL ALABAMA DUE TO LONG DURATION OF LOW RELATIVE HUMIDITY BELOW 25 PERCENT... ...RED FLAG WARNING IN EFFECT FROM 8 AM TO 8 PM CST MONDAY FOR THE NORTHWEST FLORIDA PANHANDLE DUE TO LONG DURATION OF LOW RELATIVE HUMIDITY BELOW 35 PERCENT... .DISCUSSION...COLD AND DRY HIGH PRESSURE WILL BUILD INTO THE REGION IN THE WAKE OF A COLD FRONT. ALTHOUGH TEMPERATURES WILL BE COOL ON MONDAY...VERY DRY AIR WILL RESULT IN RELATIVE HUMIDITIES DROPPING BELOW CRITICAL LEVELS ACROSS SOUTHWEST AND SOUTH CENTRAL ALABAMA AND THE NORTHWEST FLORIDA PANHANDLE. FLZ001>006-221230- /O.UPG.KMOB.FW.A.0076.081222T1500Z-081223T0100Z/ /O.NEW.KMOB.FW.W.0089.081222T1400Z-081223T0200Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- 223 PM CST SUN DEC 21 2008 ...RED FLAG WARNING IN EFFECT FROM 8 AM TO 8 PM CST MONDAY... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 8 AM TO 8 PM CST MONDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. RELATIVE HUMIDITIES ON MONDAY WILL DROP BELOW 35 PERCENT DURING THE MID MORNING HOURS AND DROP TO NEAR 20 PERCENT FOR SEVERAL HOURS THROUGH LATE MONDAY AFTERNOON. 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. $$ ALZ051>060-221230- /O.UPG.KMOB.FW.A.0076.081222T1700Z-081223T0000Z/ /O.NEW.KMOB.FW.W.0089.081222T1600Z-081223T0000Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON- 223 PM CST SUN DEC 21 2008 ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 6 PM CST MONDAY... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 10 AM TO 6 PM CST MONDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. RELATIVE HUMIDITIES WILL DROP BELOW 25 PERCENT LATE MONDAY MORNING AND FALL TO NEAR 20 PERCENT FOR SEVERAL HOURS THROUGH LATE MONDAY AFTERNOON. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ ALZ061>064-221230- /O.NEW.KMOB.FW.W.0089.081222T1600Z-081223T0000Z/ UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-LOWER BALDWIN- 223 PM CST SUN DEC 21 2008 ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 6 PM CST MONDAY... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 10 AM TO 6 PM CST MONDAY. RELATIVE HUMIDITIES WILL DROP BELOW 25 PERCENT LATE MONDAY MORNING AND FALL TO NEAR 20 PERCENT FOR SEVERAL HOURS THROUGH LATE MONDAY AFTERNOON. 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. $$
2 follow-up statements
000 WWUS84 KMOB 221119 RFWMOB RED FLAG WARNING NATIONAL WEATHER SERVICE MOBILE AL 519 AM CST MON DEC 22 2008 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST THIS AFTERNOON FOR SOUTHWEST ALABAMA DUE TO A LONG DURATION OF CRITICALLY LOW HUMIDITIES WELL BELOW 30 PERCENT... ...RED FLAG WARNING IN EFFECT FROM 8 AM THIS MORNING TO 8 PM CST THIS EVENING FOR THE WESTERN FLORIDA PANHANDLE DUE TO A LONG DURATION OF CRITICALLY LOW HUMIDITIES WELL BELOW 30 PERCENT... .DISCUSSION...A LARGE HIGH PRESSURE SYSTEM WILL BRING A VERY DRY AIRMASS TO THE REGION TODAY. HUMIDITIES ARE FORECAST TO MODERATE BY TUESDAY AS THE HIGH MOVES EAST OF THE REGION. FLZ001>006-230200- /O.CON.KMOB.FW.W.0089.081222T1400Z-081223T0200Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- 519 AM CST MON DEC 22 2008 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CST THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CST THIS EVENING. DEWPOINTS RANGING FROM THE SINGLE DIGITS TO TEENS COMBINED WITH DAYTIME HIGHS IN THE MID 40S TO NEAR 50 ALONG WITH BRISK NORTHERLY WINDS WILL CAUSE LOWEST HUMIDITIES TO RANGE FROM 15 TO 20 PERCENT. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ ALZ051>064-230000- /O.CON.KMOB.FW.W.0089.081222T1600Z-081223T0000Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE- LOWER BALDWIN- 519 AM CST MON DEC 22 2008 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST THIS AFTERNOON... A RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CST THIS AFTERNOON. DEWPOINTS RANGING FROM THE SINGLE DIGITS TO TEENS COMBINED WITH DAYTIME HIGHS IN THE LOWER TO MID 40S ALONG WITH BRISK NORTHERLY WINDS WILL CAUSE LOWEST HUMIDITIES TO RANGE FROM 15 TO 20 PERCENT. 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 WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$
000 WWUS84 KMOB 222103 RFWMOB RED FLAG WARNING NATIONAL WEATHER SERVICE MOBILE AL 303 PM CST MON DEC 22 2008 ...RED FLAG WARNING IN EFFECT UNTIL 6 PM CST THIS AFTERNOON FOR SOUTHWEST ALABAMA DUE TO A LONG DURATION OF CRITICALLY LOW HUMIDITIES BELOW 25 PERCENT... ...RED FLAG WARNING IN EFFECT UNTIL 8 PM CST THIS EVENING FOR THE WESTERN FLORIDA PANHANDLE DUE TO A LONG DURATION OF CRITICALLY LOW HUMIDITIES WELL BELOW 35 PERCENT... .DISCUSSION...A LARGE HIGH PRESSURE SYSTEM OVER THE EASTERN UNITED STATES MOVES OFF INTO THE ATLANTIC THROUGH TUESDAY WHILE A LOW PRESSURE SYSTEM ADVANCES ACROSS THE PLAINS. DRY CONDITIONS AND LOW RELATIVE HUMIDITIES BELOW CRITICAL LEVELS THIS AFTERNOON WILL RETURN ABOVE CRITICAL LEVELS LATE THIS AFTERNOON INTO THE EARLY EVENING HOURS. ALZ051>064-230000- /O.CON.KMOB.FW.W.0089.000000T0000Z-081223T0000Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE- LOWER BALDWIN- 303 PM CST MON DEC 22 2008 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. LOW RELATIVE HUMIDITIES BELOW 25 PERCENT WILL RETURN ABOVE CRITICAL LEVELS BY 6 PM. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ FLZ001>006-230200- /O.CON.KMOB.FW.W.0089.000000T0000Z-081223T0200Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- 303 PM CST MON DEC 22 2008 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CST THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CST THIS EVENING. LOW RELATIVE HUMIDITIES WELL BELOW 35 PERCENT WILL RETURN ABOVE CRITICAL LEVELS BY THE EARLY EVENING HOURS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITY WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 21, 2:50 PM CST | Freeze Warning | MOB | 14 hr | |
| Dec 21, 2:50 PM CST | Hard Freeze Warning | MOB | Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more | 14 hr |
Nearby
Red Flag Warnings in Alabama, 2008Red Flag Warnings in Florida, 2008Every red flag warning in 2008
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.