Alert archive / Alabama / Red Flag Warnings in 2013
Red Flag Warning 9, NWS Mobile, AL
NWS Mobile, AL issued this red flag warning at Mar 27, 2013, 5:36 AM CDT for 10 counties in Alabama. It took effect at Mar 27, 2013, 11:00 AM CDT. 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
- Mar 27, 2013, 5:36 AM CDT (10:36 UTC)
- In effect from
- Mar 27, 2013, 11:00 AM CDT
- Expired
- Mar 27, 2013, 7:00 PM CDT
- In force
- 8 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 10:36 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 00:00Z, 10.6 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
- 1356 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
554 WWUS84 KMOB 271036 RFWMOB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 536 AM CDT WED MAR 27 2013 ...A RED FLAG WARNING IS IN EFFECT FROM NOON TO 6 PM CDT TODAY FOR SOUTHWEST AND SOUTH CENTRAL ALABAMA DUE TO A MARGINALLY LONG DURATION OF LOW RELATIVE HUMIDITY... ...A RED FLAG WARNING IS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING FOR THE NORTHWEST FLORIDA PANHANDLE DUE TO A LONG DURATION OF LOW RELATIVE HUMIDITY AND ERC VALUES NEAR CRITICAL LEVELS... ...A FIRE WEATHER WATCH IS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING FOR THE NORTHWEST FLORIDA PANHANDLE DUE TO A LONG DURATION OF LOW RELATIVE HUMIDITY AND ERC VALUES NEAR CRITICAL LEVELS... .A RIDGE OF DRY HIGH PRESSURE SETTLES OVER THE AREA TODAY THEN SLOWLY SHIFTS EAST OF THE AREA THURSDAY INTO FRIDAY AND ALLOWS A LIGHT SOUTHERLY FLOW TO BECOME ESTABLISHED. AFTERNOON RELATIVE HUMIDITIES WILL DROP BELOW CRITICAL LEVELS FOR A LONG DURATION OVER THE NORTHWEST FLORIDA PANHANDLE TODAY AND FOR A MARGINALLY LONG DURATION OVER SOUTHWEST AND SOUTH CENTRAL ALABAMA. AFTERNOON RELATIVE HUMIDITIES WILL DROP BELOW CRITICAL LEVELS OVER THE NORTHWEST FLORIDA PANHANDLE AGAIN ON THURSDAY BUT THE DURATION LOOKS TOO MARGINAL FOR SOUTHWEST AND SOUTH CENTRAL ALABAMA. ERC VALUES WILL BE NEAR CRITICAL LEVELS OVER THE NORTHWEST FLORIDA PANHANDLE BOTH TODAY AND THURSDAY. A RED FLAG WARNING HAS BEEN ISSUED TODAY FOR SOUTHWEST AND SOUTH CENTRAL ALABAMA AND THE NORTHWEST FLORIDA PANHANDLE AND A FIRE WEATHER WATCH IS IN EFFECT FOR THE NORTHWEST FLORIDA PANHANDLE FOR THURSDAY. FLZ001>006-280245- /O.NEW.KMOB.FW.W.0009.130327T1600Z-130328T0000Z/ /O.NEW.KMOB.FW.A.0008.130328T1600Z-130329T0000Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- 536 AM CDT WED MAR 27 2013 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING FOR THE NORTHWEST FLORIDA PANHANDLE DUE TO A LONG DURATION OF LOW RELATIVE HUMIDITY AND ERC VALUES NEAR CRITICAL VALUES... ...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING FOR THE NORTHWEST FLORIDA PANHANDLE DUE TO A LONG DURATION OF LOW RELATIVE HUMIDITY AND ERC VALUES NEAR CRITICAL VALUES... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH IS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONES 001...002...003...004... 005 AND 006. * RELATIVE HUMIDITY: DROPPING TO 20 TO 25 PERCENT FOR 5 HOURS EACH AFTERNOON. * WINDS: NORTHERLY WINDS 4 TO 8 MPH BECOMING SOUTHWESTERLY EACH AFTERNOON. * DISPERSIONS: RISING TO 45 TO 55 EACH AFTERNOON. * ERC: NEAR OR GREATER THAN 37. * 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. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$ ALZ051>064-272300- /O.NEW.KMOB.FW.W.0009.130327T1700Z-130327T2300Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE- LOWER BALDWIN- 536 AM CDT WED MAR 27 2013 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CDT THIS EVENING FOR SOUTHWEST AND SOUTH CENTRAL ALABAMA DUE TO A MARGINALLY LONG DURATION OF LOW RELATIVE HUMIDITY... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM CDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONES 051...052...053...054... 055...056...057...058...059...060...061...062...063 AND 064. * RELATIVE HUMIDITY: DROPPING TO 20 TO 25 PERCENT FOR 4 TO 5 HOURS THIS AFTERNOON. * WINDS: NORTHERLY WINDS 4 TO 8 MPH BECOMING WESTERLY IN THE AFTERNOON. * DISPERSIONS: RISING TO 45 TO 55 THIS AFTERNOON. * IMPACTS: ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...AND DRY FUELS WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$
1 follow-up statement
341 WWUS84 KMOB 271928 RFWMOB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 228 PM CDT WED MAR 27 2013 ...A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR THE NORTHWEST FLORIDA PANHANDLE DUE TO A LONG DURATION OF LOW RELATIVE HUMIDITY AND ERC VALUES NEAR CRITICAL LEVELS... ...A FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING FOR THE NORTHWEST FLORIDA PANHANDLE DUE TO A LONG DURATION OF LOW RELATIVE HUMIDITY AND ERC VALUES NEAR CRITICAL LEVELS... .A RIDGE OF DRY HIGH PRESSURE SETTLES OVER THE AREA THIS AFTERNOON AND SLOWLY SHIFTS EAST OF THE AREA THURSDAY. AFTERNOON RELATIVE HUMIDITIES WILL DROP BELOW CRITICAL LEVELS FOR A LONG DURATION OVER THE NORTHWEST FLORIDA PANHANDLE THIS AFTERNOON. AFTERNOON RELATIVE HUMIDITIES WILL DROP BELOW CRITICAL LEVELS OVER THE NORTHWEST FLORIDA PANHANDLE AGAIN ON THURSDAY BUT THE DURATION LOOKS TOO MARGINAL FOR SOUTHWEST AND SOUTH CENTRAL ALABAMA. ERC VALUES WILL BE NEAR CRITICAL LEVELS OVER THE NORTHWEST FLORIDA PANHANDLE BOTH THIS AFTERNOON AND THURSDAY. ALZ051>064-272030- /O.CAN.KMOB.FW.W.0009.000000T0000Z-130327T2300Z/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE- LOWER BALDWIN- 228 PM CDT WED MAR 27 2013 ...RED FLAG WARNING IS CANCELLED FOR SOUTHWEST AND SOUTH CENTRAL ALABAMA ... THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELLED THE RED FLAG WARNING. WHILE HUMIDITY WILL BRIEFLY DROP BELOW 25 PERCENT OVER SOME LOCATIONS...A CRITICAL DURATION IS NO LONGER EXPECTED. $$ FLZ001>006-281130- /O.CON.KMOB.FW.W.0009.000000T0000Z-130328T0000Z/ /O.CON.KMOB.FW.A.0008.130328T1600Z-130329T0000Z/ INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA- 228 PM CDT WED MAR 27 2013 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR THE NORTHWEST FLORIDA PANHANDLE DUE TO A LONG DURATION OF LOW RELATIVE HUMIDITY AND ERC VALUES NEAR CRITICAL LEVELS... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM LATE THURSDAY MORNING THROUGH THURSDAY EVENING FOR A LONG DURATION OF LOW RELATIVE HUMIDITY AND ERC VALUES NEAR CRITICAL LEVELS... * AFFECTED AREA...FIRE WEATHER ZONES 001...002...003...004... 005 AND 006. * RELATIVE HUMIDITY: DROPPING TO 22 TO 26 PERCENT THIS AFTERNOON AND 20 TO 25 PERCENT THURSDAY. * WINDS: NORTHERLY WINDS 5 TO 10 MPH BECOMING SOUTHWESTERLY EACH AFTERNOON. * DISPERSIONS: RISING TO 45 TO 55 THIS AFTERNOON AND 30 TO 40 THURSDAY AFTERNOON. * ERC: NEAR OR GREATER THAN 37. * IMPACTS: ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOW RELATIVE HUMIDITY...AND DRY FUELS WILL CREATE RAPID FIRE GROWTH POTENTIAL. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. && $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 3:31 PM CDT | Freeze Warning | MOB | Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more | 16 hr |
| Mar 27, 5:36 AM CDT | Fire Weather Watch | MOB | 23 hr |
Nearby
Red Flag Warnings in Alabama, 2013Red Flag Warnings in Florida, 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.