Alert archive / Alabama / Red Flag Warnings in 2013
Red Flag Warning 3, NWS Mobile, AL
NWS Mobile, AL issued this red flag warning at Feb 17, 2013, 6:45 AM CST for 10 counties in Alabama. It took effect at Feb 17, 2013, 12:00 PM CST. It was in force for 5 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 17, 2013, 6:45 AM CST (12:45 UTC)
- In effect from
- Feb 17, 2013, 12:00 PM CST
- Expired
- Feb 17, 2013, 5:00 PM CST
- In force
- 5 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 12:48 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, 0.8 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1775 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
937 WWUS84 KMOB 171245 RFWMOB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 645 AM CST SUN FEB 17 2013 ...A RED FLAG WARNING IS NOW IN EFFECT THIS AFTERNOON FOR MOST OF INTERIOR SOUTHWEST AND SOUTH CENTRAL ALABAMA DUE TO A POTENTIALLY LONG DURATION OF CRITICALLY LOW RELATIVE HUMIDITY... .A COOL AND DRY AIRMASS WILL BE ENTRENCHED OVER THE AREA TODAY AS HIGH PRESSURE MOVES OVERHEAD. THIS WILL ALLOW FOR THE POTENTIAL OF A LONG DURATION OF CRITICALLY LOW HUMIDITY VALUES...BELOW 25 PERCENT... ACROSS MOST OF INTERIOR SOUTHWEST AND SOUTH CENTRAL ALABAMA. ALZ053>060-062-172300- /O.UPG.KMOB.FW.A.0002.130217T1800Z-130217T2300Z/ /O.NEW.KMOB.FW.W.0003.130217T1800Z-130217T2300Z/ CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-ESCAMBIA-COVINGTON- UPPER BALDWIN- 645 AM CST SUN FEB 17 2013 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 5 PM CST THIS AFTERNOON FOR THE POTENTIAL OF LONG DURATIONS OF CRITICALLY LOW RELATIVE HUMIDITY BELOW 25 PERCENT ACROSS MOST OF INTERIOR SOUTHWEST AND SOUTH CENTRAL ALABAMA... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 5 PM CST THIS AFTERNOON. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...FIRE WEATHER ZONES 053...054...055...056... 057...058...059...060 AND 062. * RELATIVE HUMIDITY: 4 TO 5 HOURS OF HUMIDITY IN THE LOWER 20 PERCENT AND UPPER TEENS RANGE. * 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 LOW RELATIVE HUMIDITY...AND DRY FUELS WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$ ALZ051-052-061-172300- /O.NEW.KMOB.FW.W.0003.130217T1800Z-130217T2300Z/ CHOCTAW-WASHINGTON-UPPER MOBILE- 645 AM CST SUN FEB 17 2013 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 5 PM CST THIS AFTERNOON FOR THE POTENTIAL OF LONG DURATIONS OF CRITICALLY LOW RELATIVE HUMIDITY BELOW 25 PERCENT ACROSS MOST OF INTERIOR SOUTHWEST AND SOUTH CENTRAL ALABAMA... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 5 PM CST THIS AFTERNOON. * AFFECTED AREA...FIRE WEATHER ZONES 051...052 AND 061. * RELATIVE HUMIDITY: 4 TO 5 HOURS OF HUMIDITY IN THE LOWER 20 PERCENT AND UPPER TEENS RANGE. * IMPACTS: ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...AND DRY FUELS WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$
1 follow-up statement
926 WWUS84 KMOB 172003 RFWMOB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 203 PM CST SUN FEB 17 2013 ...A RED FLAG WARNING IS NOW IN EFFECT THIS AFTERNOON FOR MOST OF INTERIOR SOUTHWEST AND SOUTH CENTRAL ALABAMA DUE TO A POTENTIALLY LONG DURATION OF CRITICALLY LOW RELATIVE HUMIDITY... .A COOL AND DRY AIRMASS WILL BE ENTRENCHED OVER THE AREA TODAY AS HIGH PRESSURE MOVES OVERHEAD. THIS WILL ALLOW FOR THE POTENTIAL OF A LONG DURATION OF CRITICALLY LOW HUMIDITY VALUES...BELOW 25 PERCENT... ACROSS MOST OF INTERIOR SOUTHWEST AND SOUTH CENTRAL ALABAMA. ALZ051>062-172300- /O.CON.KMOB.FW.W.0003.000000T0000Z-130217T2300Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN- 203 PM CST SUN FEB 17 2013 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS AFTERNOON A LONG DURATION OF CRITICALLY LOW RELATIVE HUMIDITY BELOW 25 PERCENT ACROSS INTERIOR SOUTHWEST AND SOUTH CENTRAL ALABAMA... * AFFECTED AREA...FIRE WEATHER ZONES 051...052...053...054... 055...056...057...058...059...060...061 AND 062. * RELATIVE HUMIDITY: 4 TO 5 HOURS OF HUMIDITY IN THE LOWER 20 PERCENT AND UPPER TEENS RANGE. * 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 LOW RELATIVE HUMIDITY...AND DRY FUELS WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$ FLZ005-006-181215- /O.NEW.KMOB.FW.A.0003.130218T1800Z-130218T2200Z/ INLAND OKALOOSA-COASTAL OKALOOSA- 203 PM CST SUN FEB 17 2013 ...FIRE WEATHER WATCH IN EFFECT MONDAY AFTERNOON FOR THE POTENTIAL COMBINATION OF DISPERSION GREATER THAN 75 AND RH LESS THAN 35 PERCENT FOR OKALOOSA COUNTY IN THE WESTERN FLORIDA PANHANDLE... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT MONDAY AFTERNOON. * AFFECTED AREA: FIRE WEATHER ZONES 005 AND 006. * RELATIVE HUMIDITY: DROPPING INTO THE LOWER 30S. * DISPERSIONS: CLIMBING AS HIGH AS 85. * ERC: FORECAST TO BE AROUND 25. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FIRE WEATHER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$
Nearby
Red Flag Warnings in Alabama, 2013Every red flag warning in 2013
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.