Alert archive / Alabama / Wind Advisories in 2011
Wind Advisory 17, NWS Birmingham, AL
NWS Birmingham, AL issued this wind advisory at Apr 11, 2011, 3:52 AM CDT for 39 counties in Alabama. It took effect at Apr 11, 2011, 12:00 PM CDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Apr 11, 2011, 3:52 AM CDT (08:52 UTC)
- In effect from
- Apr 11, 2011, 12:00 PM CDT
- Expired
- Apr 12, 2011, 12:00 AM CDT
- In force
- 12 hr
- Issued by
- NWS Birmingham, AL
All 39 counties
Autauga County, AL, Barbour County, AL, Bibb County, AL, Blount County, AL, Bullock County, AL, Calhoun County, AL, Chambers County, AL, Cherokee County, AL, Chilton County, AL, Clay County, AL, Cleburne County, AL, Coosa County, AL, Dallas County, AL, Elmore County, AL, Etowah County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Marengo County, AL, Marion County, AL, Montgomery County, AL, Perry County, AL, Pickens County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tallapoosa County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL
The radar
The Birmingham radar (KBMX), 22 km from the middle of the area, began a volume at 08:56 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, 8.9 hours before the alert went out and 23 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
- 126 J/kg
- Mixed-layer CIN
- -436 J/kg
- Mixed-layer LCL
- 1576 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
062 WWUS74 KBMX 110853 NPWBMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 352 AM CDT MON APR 11 2011 ...BREEZY CONDITIONS TO DEVELOP ACROSS CENTRAL ALABAMA TODAY... ALZ011>015-017>050-111700- /O.NEW.KBMX.WI.Y.0017.110411T1700Z-110412T0500Z/ MARION-LAMAR-FAYETTE-WINSTON-WALKER-BLOUNT-ETOWAH-CALHOUN- CHEROKEE-CLEBURNE-PICKENS-TUSCALOOSA-JEFFERSON-SHELBY-ST. CLAIR- TALLADEGA-CLAY-RANDOLPH-SUMTER-GREENE-HALE-PERRY-BIBB-CHILTON- COOSA-TALLAPOOSA-CHAMBERS-MARENGO-DALLAS-AUTAUGA-LOWNDES-ELMORE- MONTGOMERY-MACON-BULLOCK-LEE-RUSSELL-PIKE-BARBOUR- INCLUDING THE CITIES OF...HAMILTON...SULLIGENT...VERNON... FAYETTE...DOUBLE SPRINGS...JASPER...ONEONTA...GADSDEN... ANNISTON...CENTRE...HEFLIN...CARROLLTON...TUSCALOOSA... BIRMINGHAM...HOOVER...COLUMBIANA...PELHAM...ALABASTER... PELL CITY...MOODY...TALLADEGA...SYLACAUGA...ASHLAND...ROANOKE... LIVINGSTON...EUTAW...GREENSBORO...MOUNDVILLE...MARION... CENTREVILLE...CLANTON...ROCKFORD...ALEXANDER CITY...DADEVILLE... VALLEY...LANETT...LAFAYETTE...DEMOPOLIS...LINDEN...SELMA... PRATTVILLE...FORT DEPOSIT...HAYNEVILLE...WETUMPKA...TALLASSEE... MONTGOMERY...TUSKEGEE...UNION SPRINGS...AUBURN...OPELIKA... PHENIX CITY...TROY...EUFAULA 352 AM CDT MON APR 11 2011 ...WIND ADVISORY IN EFFECT FROM NOON TODAY TO MIDNIGHT CDT TONIGHT... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO MIDNIGHT CDT TONIGHT. WINDS WILL INCREASE TODAY...AHEAD OF AN APPROACHING STORM SYSTEM. SUSTAINED WINDS OF 20 MPH OR MORE WILL BE LIKELY DURING THE AFTERNOON...WITH A FEW GUSTS OVER 30 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 MPH AND HIGHER... OR WIND GUSTS OF 30 MPH AND HIGHER...ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
2 follow-up statements
446 WWUS74 KBMX 111427 NPWBMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 927 AM CDT MON APR 11 2011 ...BREEZY CONDITIONS EXPECTED ACROSS CENTRAL ALABAMA TODAY... ALZ011>015-017>050-120500- /O.CON.KBMX.WI.Y.0017.110411T1700Z-110412T0500Z/ MARION-LAMAR-FAYETTE-WINSTON-WALKER-BLOUNT-ETOWAH-CALHOUN- CHEROKEE-CLEBURNE-PICKENS-TUSCALOOSA-JEFFERSON-SHELBY-ST. CLAIR- TALLADEGA-CLAY-RANDOLPH-SUMTER-GREENE-HALE-PERRY-BIBB-CHILTON- COOSA-TALLAPOOSA-CHAMBERS-MARENGO-DALLAS-AUTAUGA-LOWNDES-ELMORE- MONTGOMERY-MACON-BULLOCK-LEE-RUSSELL-PIKE-BARBOUR- INCLUDING THE CITIES OF...HAMILTON...SULLIGENT...VERNON... FAYETTE...DOUBLE SPRINGS...JASPER...ONEONTA...GADSDEN... ANNISTON...CENTRE...HEFLIN...CARROLLTON...TUSCALOOSA... BIRMINGHAM...HOOVER...COLUMBIANA...PELHAM...ALABASTER... PELL CITY...MOODY...TALLADEGA...SYLACAUGA...ASHLAND...ROANOKE... LIVINGSTON...EUTAW...GREENSBORO...MOUNDVILLE...MARION... CENTREVILLE...CLANTON...ROCKFORD...ALEXANDER CITY...DADEVILLE... VALLEY...LANETT...LAFAYETTE...DEMOPOLIS...LINDEN...SELMA... PRATTVILLE...FORT DEPOSIT...HAYNEVILLE...WETUMPKA...TALLASSEE... MONTGOMERY...TUSKEGEE...UNION SPRINGS...AUBURN...OPELIKA... PHENIX CITY...TROY...EUFAULA 927 AM CDT MON APR 11 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT... A WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT. WINDS WILL INCREASE TODAY...AHEAD OF AN APPROACHING STORM SYSTEM. SUSTAINED WINDS OF 20 MPH OR MORE WILL BE LIKELY DURING THE AFTERNOON...WITH A FEW GUSTS OVER 30 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 MPH AND HIGHER... OR WIND GUSTS OF 30 MPH AND HIGHER...ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
149 WWUS74 KBMX 120213 NPWBMX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BIRMINGHAM AL 913 PM CDT MON APR 11 2011 ...BREEZY CONDITIONS EXPECTED ACROSS EAST CENTRAL ALABAMA THIS EVENING... ALZ011>015-017-018-020-022>026-030>035-039>042-120315- /O.CAN.KBMX.WI.Y.0017.000000T0000Z-110412T0500Z/ MARION-LAMAR-FAYETTE-WINSTON-WALKER-BLOUNT-ETOWAH-CHEROKEE- PICKENS-TUSCALOOSA-JEFFERSON-SHELBY-ST. CLAIR-SUMTER-GREENE-HALE- PERRY-BIBB-CHILTON-MARENGO-DALLAS-AUTAUGA-LOWNDES- INCLUDING THE CITIES OF...HAMILTON...SULLIGENT...VERNON... FAYETTE...DOUBLE SPRINGS...JASPER...ONEONTA...GADSDEN...CENTRE... CARROLLTON...TUSCALOOSA...BIRMINGHAM...HOOVER...COLUMBIANA... PELHAM...ALABASTER...PELL CITY...MOODY...LIVINGSTON...EUTAW... GREENSBORO...MOUNDVILLE...MARION...CENTREVILLE...CLANTON... DEMOPOLIS...LINDEN...SELMA...PRATTVILLE...FORT DEPOSIT... HAYNEVILLE 913 PM CDT MON APR 11 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS CANCELLED THE WIND ADVISORY. $$ ALZ019-021-027>029-036>038-043>050-120500- /O.CON.KBMX.WI.Y.0017.000000T0000Z-110412T0500Z/ CALHOUN-CLEBURNE-TALLADEGA-CLAY-RANDOLPH-COOSA-TALLAPOOSA- CHAMBERS-ELMORE-MONTGOMERY-MACON-BULLOCK-LEE-RUSSELL-PIKE-BARBOUR- INCLUDING THE CITIES OF...ANNISTON...HEFLIN...TALLADEGA... SYLACAUGA...ASHLAND...ROANOKE...ROCKFORD...ALEXANDER CITY... DADEVILLE...VALLEY...LANETT...LAFAYETTE...WETUMPKA...TALLASSEE... MONTGOMERY...TUSKEGEE...UNION SPRINGS...AUBURN...OPELIKA... PHENIX CITY...TROY...EUFAULA 913 PM CDT MON APR 11 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT... A WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT. WINDS WILL CONTINUE TO GUST THIS EVENING...AHEAD OF AN APPROACHING STORM SYSTEM. SUSTAINED WINDS OF 20 MPH OR MORE WILL BE LIKELY DURING THE EVENING...WITH A FEW GUSTS OVER 30 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 20 MPH AND HIGHER... OR WIND GUSTS OF 30 MPH AND HIGHER...ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 5:12 PM CDT | Special Weather Statement | BMX | Fayette, Lamar, Marion, Winston | 48 min |
| Apr 11, 5:36 PM CDT | Severe Thunderstorm Warning | BMX | Greene, Pickens, Sumter, Tuscaloosa | 39 min |
| Apr 11, 5:42 PM CDT | Tornado Warning | BMX | Fayette, Walker | 22 min |
| Apr 11, 6:08 PM CDT | Tornado Warning | BMX | Greene, Pickens, Tuscaloosa | 37 min |
| Apr 11, 6:13 PM CDT | Severe Thunderstorm Warning | BMX | Bibb, Greene, Jefferson, Pickens, Tuscaloosa | 47 min |
| Apr 11, 6:17 PM CDT | Special Weather Statement | BMX | Blount, Walker | 43 min |
| Apr 11, 6:38 PM CDT | Tornado Warning | BMX | Bibb, Tuscaloosa | 29 min |
| Apr 11, 6:43 PM CDT | Tornado Warning | BMX | Greene, Hale | 15 min |
| Apr 11, 6:43 PM CDT | Tornado Warning | BMX | Bibb, Hale, Tuscaloosa | 14 min |
| Apr 11, 6:48 PM CDT | Severe Thunderstorm Warning | BMX | Bibb, Chilton, Dallas, Greene, Hale, Jefferson and 5 more | 57 min |
| Apr 11, 6:52 PM CDT | Tornado Warning | BMX | Blount | 38 min |
| Apr 11, 6:53 PM CDT | Tornado Warning | BMX | Jefferson, Tuscaloosa | 52 min |
Nearby
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.