Alert archive / Alabama / Wind Advisories in 2018
Wind Advisory 5, NWS Birmingham, AL
NWS Birmingham, AL issued this wind advisory at Mar 21, 2018, 12:57 PM CDT for 28 counties in Alabama. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Mar 21, 2018, 12:57 PM CDT (17:57 UTC)
- Expired
- Mar 21, 2018, 7:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Birmingham, AL
All 28 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, Jefferson County, AL, Lee County, AL, Lowndes County, AL, Macon County, AL, Montgomery County, AL, Perry County, AL, Pike County, AL, Randolph County, AL, Russell County, AL, Shelby County, AL, St. Clair County, AL, Talladega County, AL, Tallapoosa County, AL
The radar
The Maxwell AFB radar (KMXX), 54 km from the middle of the area, began a volume at 17:59 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, 6.0 hours before the alert went out and 67 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
- 1028 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
973 WWUS74 KBMX 211757 NPWBMX URGENT - WEATHER MESSAGE National Weather Service Birmingham AL 1257 PM CDT Wed Mar 21 2018 ...Windy conditions are possible this afternoon across the eastern two thirds of Central Alabama. Also, freezing temperatures are possible Thursday morning across the northern counties of Central Alabama, with frost possible across the south... ALZ017>021-024>029-220100- /O.NEW.KBMX.WI.Y.0005.180321T1757Z-180322T0000Z/ /O.CON.KBMX.FZ.W.0006.180322T0700Z-180322T1300Z/ Blount-Etowah-Calhoun-Cherokee-Cleburne-Jefferson-Shelby- St. Clair-Talladega-Clay-Randolph- Including the cities of Oneonta, Gadsden, Anniston, Centre, Heflin, Birmingham, Hoover, Columbiana, Pelham, Alabaster, Pell City, Moody, Talladega, Sylacauga, Ashland, and Roanoke 1257 PM CDT Wed Mar 21 2018 ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT THURSDAY... The National Weather Service in Birmingham has issued a Wind Advisory, which is in effect until 7 PM CDT this evening. * TIMING...through 7 PM CDT for the wind advisory and from 2 AM to 8 AM Thursday for the freeze warning. * WINDS...sustained winds of 15 to 25 MPH with gusts to 35 MPH. * Temperature...for overnight lows tonight across the north will range from 26 and 32 degrees. * IMPACTS...from the strong winds could cause hazardous driving conditions as well as downed limbs and weak trees. Impacts of cold temperatures could result in damaging or killing crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. A Wind Advisory means that wind gusts of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ ALZ011-014-015-220100- /O.CON.KBMX.FZ.W.0006.180322T0700Z-180322T1300Z/ Marion-Winston-Walker- Including the cities of Hamilton, Double Springs, and Jasper 1257 PM CDT Wed Mar 21 2018 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT THURSDAY... * TEMPERATURE...across the north will range from 26 and 32 degrees. * IMPACTS...of the cold temperatures could result in damaging or killing crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. && $$ ALZ033>038-040>050-220100- /O.NEW.KBMX.WI.Y.0005.180321T1757Z-180322T0000Z/ /O.CON.KBMX.FR.Y.0004.180322T0700Z-180322T1300Z/ Perry-Bibb-Chilton-Coosa-Tallapoosa-Chambers-Dallas-Autauga- Lowndes-Elmore-Montgomery-Macon-Bullock-Lee-Russell-Pike-Barbour- Including the cities of Marion, Centreville, Clanton, Rockford, Alexander City, Dadeville, Valley, Lanett, Lafayette, Selma, Prattville, Fort Deposit, Hayneville, Wetumpka, Tallassee, Montgomery, Tuskegee, Union Springs, Auburn, Opelika, Phenix City, Troy, and Eufaula 1257 PM CDT Wed Mar 21 2018 ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT THURSDAY... The National Weather Service in Birmingham has issued a Wind Advisory, which is in effect until 7 PM CDT this evening. * TIMING...through 7 PM CDT for the wind advisory and from 2 AM to 8 AM Thursday for the frost advisory. * WINDS...sustained winds of 15 to 25 MPH with gusts to 35 MPH. * Temperature...will range between 32 to 36 degrees Thursday morning. * IMPACTS...from the strong winds could cause hazardous driving conditions as well as downed limbs and weak trees. Impacts of the cold temperatures could result in damaging or killing crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Frost Advisory means that widespread frost is expected. Sensitive outdoor plants may be killed if left uncovered. A Wind Advisory means that wind gusts of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$ ALZ012-013-022-023-030>032-039-220100- /O.CON.KBMX.FR.Y.0004.180322T0700Z-180322T1300Z/ Lamar-Fayette-Pickens-Tuscaloosa-Sumter-Greene-Hale-Marengo- Including the cities of Sulligent, Vernon, Fayette, Carrollton, Tuscaloosa, Livingston, Eutaw, Greensboro, Moundville, Demopolis, and Linden 1257 PM CDT Wed Mar 21 2018 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM CDT THURSDAY... * TEMPERATURE...will range between 32 to 36 degrees Thursday morning. * IMPACTS...of the cold temperatures could result in damaging or killing crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Frost Advisory means that widespread frost is expected. Sensitive outdoor plants may be killed if left uncovered. && $$ 08
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 2:54 AM CDT | Frost Advisory | BMX | Autauga, Barbour, Bibb, Bullock, Chambers, Chilton and 19 more | 29 hr |
| Mar 21, 2:54 AM CDT | Freeze Warning | BMX | Blount, Calhoun, Cherokee, Clay, Cleburne, Etowah and 8 more | 29 hr |
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.