Alert archive / Alabama / Red Flag Warnings in 2010
Red Flag Warning 76, NWS Mobile, AL
NWS Mobile, AL issued this red flag warning at Oct 29, 2010, 5:47 AM CDT for 10 counties in Alabama. It took effect at Oct 29, 2010, 12:00 PM 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
- Oct 29, 2010, 5:47 AM CDT (10:47 UTC)
- In effect from
- Oct 29, 2010, 12:00 PM CDT
- Expired
- Oct 29, 2010, 7:00 PM CDT
- In force
- 7 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 10:48 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 00:00Z, 10.8 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
- 3200 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
007 WWUS84 KMOB 291047 RFWMOB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 547 AM CDT FRI OCT 29 2010 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING FOR SOUTHWEST AND SOUTH CENTRAL ALABAMA DUE TO LOW RELATIVE HUMIDITY BELOW 30 PERCENT AND 20 FOOT WIND SPEEDS AROUND 10 MPH... ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING FOR THE WESTERN FLORIDA PANHANDLE DUE TO A LONG DURATION OF LOW RELATIVE HUMIDITY BELOW 35 PERCENT... .A DRY AIRMASS WILL CONTINUE TO MOVE INTO THE GULF COAST TODAY. THIS WILL ALLOW RELATIVE HUMIDITY LEVELS TO DROP BELOW CRITICAL VALUES IN MOST AREAS. A SOUTHERLY FLOW OVER THE WEEKEND WILL BRING HIGHER HUMIDITY LEVELS BACK INTO THE AREA. ALZ051>064-FLZ001>006-300000- /O.UPG.KMOB.FW.A.0069.101029T1700Z-101030T0000Z/ /O.NEW.KMOB.FW.W.0076.101029T1700Z-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- 547 AM CDT FRI OCT 29 2010 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 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 CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
1 follow-up statement
870 WWUS84 KMOB 291931 RFWMOB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE MOBILE AL 231 PM CDT FRI OCT 29 2010 ...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR SOUTHWEST AND SOUTH CENTRAL ALABAMA DUE TO MARGINAL CONDITIONS OF RELATIVE HUMIDITY NEAR 30 PERCENT AND 20 FOOT WIND SPEEDS AROUND 10 MPH... ...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR THE WESTERN FLORIDA PANHANDLE DUE TO A MARGINALLY LONG DURATION OF RELATIVE HUMIDITY BELOW 35 PERCENT... .DISCUSSION...A RED FLAG WARNING CONTINUES IN EFFECT FOR THE REMAINDER OF THIS AFTERNOON FOR SOUTHWEST AND SOUTH CENTRAL ALABAMA DUE TO MARGINAL CONDITIONS OF RELATIVE HUMIDITIES DROPPING TO AROUND 30 PERCENT ALONG WITH 20 FOOT WIND SPEEDS NEAR 10 MPH. A RED FLAG WARNING CONTINUES FOR THE NORTHWEST FLORIDA PANHANDLE FOR RELATIVE HUMIDITIES DROPPING BELOW 35 PERCENT FOR A MARGINALLY LONG DURATION. A LIGHT SOUTHERLY FLOW DEVELOPS ON SATURDAY AND CONTINUES THROUGH THE WEEKEND AND GRADUALLY RETURNS GULF MOISTURE BACK INTO THE REGION. AFTERNOON RELATIVE HUMIDITIES WILL REMAIN ABOVE CRITICAL LEVELS ON SATURDAY AND SUNDAY. ALZ051>064-FLZ001>006-300000- /O.CON.KMOB.FW.W.0076.000000T0000Z-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- 231 PM CDT FRI OCT 29 2010 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. A RED FLAG WARNING CONTINUES IN EFFECT FOR THE REMAINDER OF THIS AFTERNOON FOR SOUTHWEST AND SOUTH CENTRAL ALABAMA DUE TO MARGINAL CONDITIONS OF RELATIVE HUMIDITIES DROPPING TO AROUND 30 PERCENT ALONG WITH 20 FOOT WIND SPEEDS NEAR 10 MPH. A RED FLAG WARNING CONTINUES FOR THE NORTHWEST FLORIDA PANHANDLE FOR RELATIVE HUMIDITIES DROPPING BELOW 35 PERCENT FOR A MARGINALLY LONG DURATION. 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 CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
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.