Alert archive / Alabama / Wind Advisories in 2008

Wind Advisory 11, NWS Mobile, AL

August 23, 200810 counties in Alabama

NWS Mobile, AL issued this wind advisory at Aug 23, 2008, 11:25 PM CDT for 10 counties in Alabama. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Aug 23, 2008, 11:25 PM CDT (04:25 UTC)
Expired
Aug 24, 2008, 2:39 AM CDT
In force
3 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 04:24 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, 4.4 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.

Skew-T log-pSkew-T log-p diagram, Birmingham, AL at 00:00Z on 2008-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 126 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 00:00Z on 2008-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 475 square meters per square second.19395878Sfc1 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
126 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
579 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
475 m²/s²
0-3 km storm-relative helicity
442 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WWUS74 KMOB 240425
NPWMOB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
1125 PM CDT SAT AUG 23 2008

AT 10 PM CDT...THE CENTER OF T.D. FAY WAS LOCATED NEAR LATITUDE 30.9
NORTH...LONGITUDE 87.1 WEST OR ABOUT 60 MILES...EAST- NORTHEAST OF
MOBILE ALABAMA. THE DEPRESSION IS MOVING TOWARD THE WEST-NORTHWEST
NEAR 8 MPH. ON THE FORECAST TRACK...FAY WILL BE MOVING OVER SOUTHERN
ALABAMA AND MISSISSIPPI ON SUNDAY. SURFACE OBSERVATIONS AND NWS RADAR
DATA INDICATE THAT MAXIMUM SUSTAINED WINDS ARE NEAR 35 MPH OVER A
RADIUS VERY CLOSE TO THE CENTER OF CIRCULATION. WIND GUSTS UP TO 50
MPH ARE POSSIBLE.

ALZ051>064-FLZ001>006-241230-
/O.NEW.KMOB.WI.Y.0011.080824T0425Z-080824T1500Z/
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-
INCLUDING THE CITIES OF...BUTLER...LISMAN...SILAS...CHATOM...
MILLRY...JACKSON...THOMASVILLE...GROVE HILL...CAMDEN...
PINE HILL...HOMEWOOD...MONROEVILLE...EVERGREEN...GREENVILLE...
LUVERNE...BRANTLEY...ATMORE...BREWTON...EAST BREWTON...
ANDALUSIA...OPP...PRICHARD...SARALAND...BAY MINETTE...
TILLMANS CORNER...THEODORE...DAPHNE...FAIRHOPE...FOLEY...
SPANISH FORT...CENTURY...FLOMATON...MOLINO...PENSACOLA...
FERRY PASS...BRENT...WEST PENSACOLA...BELLVIEW...ENSLEY...
MYRTLE GROVE...JAY...PACE...MILTON...GULF BREEZE...CRESTVIEW...
WRIGHT...FORT WALTON BEACH...NICEVILLE...DESTIN...SEMINOLE...
EGLIN AFB...VALPARAISO
1125 PM CDT SAT AUG 23 2008

...WIND ADVISORY IN EFFECT UNTIL 10 AM CDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM CDT SUNDAY. 

SURFACE OBSERVATIONS AND NWS RADAR DATA INDICATE THAT MAXIMUM
SUSTAINED WINDS IN T.D. FAY ARE NEAR 30 MPH OVER A RADIUS VERY CLOSE
TO THE CENTER OF CIRCULATION. AT 10 PM CDT...THE CENTER OF T.D. FAY
WAS ABOUT 60 MILES...EAST-NORTHEAST OF MOBILE ALABAMA. WIND GUSTS UP
TO 50 MPH ARE OCCURRING VERY NEAR THE CENTER OF T.D. FAY AND ALSO IN
HEAVIER RAINBANDS WELL AWAY FROM THE CENTER.

WINDS WILL CONTINUE TO BECOME SOUTHEASTERLY AND INCREASE TO 30 MPH WITH
GUSTS TO 50 MPH OVERNIGHT AS THE CENTER OF FAY MOVES WESTWARD
OVERNIGHT. AGAIN...THE HIGHEST WINDS WILL REMAIN CLOSEST TO THE
CENTER OF FAYS REMNANT CIRCULATION AND ALSO IN OUTER RAINBANDS THAT
CAUSE HIGHER WINDS TO MIX DOWN TO THE GROUND.

AS SOON AS SUSTAINED WINDS DROP BELOW 25 MPH...THIS WIND ADVISORY
WILL BE DROPPED.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 25 TO 39 MPH ARE
EXPECTED. THESE WIND SPEEDS MAKES DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$
1 follow-up statement
000 
WWUS74 KMOB 240739
NPWMOB

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOBILE AL
239 AM CDT SUN AUG 24 2008

.AT 230 AM CDT...THE REMNANTS OF T.D. FAY WAS LOCATED OVER INTERIOR
SOUTHWESTERN ALABAMA. THE DEPRESSION WAS MOVING TOWARD THE WEST-
NORTHWEST NEAR 8 MPH AND WILL CROSS OVER INTO SOUTHEASTERN MISSISSIPPI
EARLY ON THIS SUNDAY. SURFACE WINDS HAVE WEAKENED CONSIDERABLY SINCE
LATE LAST EVENING.

ALZ051>064-FLZ001>006-240845-
/O.CAN.KMOB.WI.Y.0011.000000T0000Z-080824T1500Z/
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-
INCLUDING THE CITIES OF...BUTLER...LISMAN...SILAS...CHATOM...
MILLRY...JACKSON...THOMASVILLE...GROVE HILL...CAMDEN...
PINE HILL...HOMEWOOD...MONROEVILLE...EVERGREEN...GREENVILLE...
LUVERNE...BRANTLEY...ATMORE...BREWTON...EAST BREWTON...
ANDALUSIA...OPP...PRICHARD...SARALAND...BAY MINETTE...
TILLMANS CORNER...THEODORE...DAPHNE...FAIRHOPE...FOLEY...
SPANISH FORT...CENTURY...FLOMATON...MOLINO...PENSACOLA...
FERRY PASS...BRENT...WEST PENSACOLA...BELLVIEW...ENSLEY...
MYRTLE GROVE...JAY...PACE...MILTON...GULF BREEZE...CRESTVIEW...
WRIGHT...FORT WALTON BEACH...NICEVILLE...DESTIN...SEMINOLE...
EGLIN AFB...VALPARAISO
239 AM CDT SUN AUG 24 2008

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOBILE HAS CANCELED THE WIND
ADVISORY. 

VERY EARLY SUNDAY MORNING...THE REMNANTS OF T.D. FAY WAS LOCATED OVER INTERIOR
SOUTHWESTERN ALABAMA. THE DEPRESSION WAS MOVING TOWARD THE WEST-
NORTHWEST NEAR 8 MPH AND WILL CROSS OVER INTO SOUTHEASTERN MISSISSIPPI
EARLY ON THIS SUNDAY.

SURFACE WINDS HAVE CONSIDERABLY WEAKENED SINCE LAST EVENING. THE
LATEST SURFACE ANALYSIS INDICATES THEY HAVE FALLEN BELOW THE
SUSTAINED 25 MPH THRESHOLD. HOWEVER...OCCASIONAL GUSTS TO NEAR 35 MPH
WILL CONTINUE TO OCCUR...ESPECIALLY IMMEDIATELY NEAR THE CENTER OF
CIRCULATION AND ALSO WITHIN HEAVIER RAINBANDS WELL EAST OF THE CENTER
OVER THE NORTHWESTERN FLORIDA PANHANDLE.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 23, 11:06 PM CDTCoastal Flood WarningMOB4 hr
Aug 23, 11:36 PM CDTSmall Craft AdvisoryMOB57 hr

Nearby

Wind Advisories in Alabama, 2008Wind Advisories in Florida, 2008Every wind advisory 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.