Alert archive / Alabama / Wind Advisories in 2023
Wind Advisory 13, NWS Birmingham, AL
NWS Birmingham, AL issued this wind advisory at Apr 13, 2023, 10:04 AM CDT for 39 counties in Alabama. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Apr 13, 2023, 10:04 AM CDT (15:04 UTC)
- Expired
- Apr 13, 2023, 7:00 PM CDT
- In force
- 9 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 15:05 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, 3.1 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 495 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 465 m²/s²
- 0-3 km storm-relative helicity
- 477 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
341 WWUS74 KBMX 131504 NPWBMX URGENT - WEATHER MESSAGE National Weather Service Birmingham AL 1004 AM CDT Thu Apr 13 2023 ALZ040>050-131900- /O.NEW.KBMX.WI.Y.0013.230413T1504Z-230413T1900Z/ Dallas-Autauga-Lowndes-Elmore-Montgomery-Macon-Bullock-Lee- Russell-Pike-Barbour- Including the cities of Selma, Prattville, Fort Deposit, Hayneville, Wetumpka, Tallassee, Montgomery, Tuskegee, Union Springs, Auburn, Opelika, Phenix City, Troy, and Eufaula 1004 AM CDT Thu Apr 13 2023 ...WIND ADVISORY IN EFFECT UNTIL 2 PM CDT THIS AFTERNOON... * WHAT...East winds around 20 mph with gusts up to 35 mph. * WHERE...Southern portions of central Alabama. * WHEN...Until 2 PM CDT this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
2 follow-up statements
018 WWUS74 KBMX 131733 NPWBMX URGENT - WEATHER MESSAGE National Weather Service Birmingham AL 1233 PM CDT Thu Apr 13 2023 ALZ022-023-030>035-039-132100- /O.EXB.KBMX.WI.Y.0013.000000T0000Z-230413T2100Z/ Pickens-Tuscaloosa-Sumter-Greene-Hale-Perry-Bibb-Chilton-Marengo- Including the cities of Carrollton, Tuscaloosa, Livingston, Eutaw, Greensboro, Moundville, Marion, Centreville, Clanton, Demopolis, and Linden 1233 PM CDT Thu Apr 13 2023 ...WIND ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * WHAT...Southeast winds around 25 mph with gusts of 35 to 40 mph. * WHERE...Pickens, Tuscaloosa, Sumter, Greene, Hale, Perry, Bibb, Chilton and Marengo Counties. * WHEN...Until 4 PM CDT this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ ALZ040>050-132100- /O.EXT.KBMX.WI.Y.0013.000000T0000Z-230413T2100Z/ Dallas-Autauga-Lowndes-Elmore-Montgomery-Macon-Bullock-Lee- Russell-Pike-Barbour- Including the cities of Selma, Prattville, Fort Deposit, Hayneville, Wetumpka, Tallassee, Montgomery, Tuskegee, Union Springs, Auburn, Opelika, Phenix City, Troy, and Eufaula 1233 PM CDT Thu Apr 13 2023 ...WIND ADVISORY NOW IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * WHAT...East winds around 20 mph with gusts up to 35 mph. * WHERE...Southern portions of central Alabama. * WHEN...Until 4 PM CDT this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
947 WWUS74 KBMX 131917 NPWBMX URGENT - WEATHER MESSAGE National Weather Service Birmingham AL 217 PM CDT Thu Apr 13 2023 ALZ011>015-017>021-024>029-036>038-140000- /O.EXB.KBMX.WI.Y.0013.000000T0000Z-230414T0000Z/ Marion-Lamar-Fayette-Winston-Walker-Blount-Etowah-Calhoun- Cherokee-Cleburne-Jefferson-Shelby-St. Clair-Talladega-Clay- Randolph-Coosa-Tallapoosa-Chambers- Including the cities of Hamilton, Sulligent, Vernon, Fayette, Double Springs, Jasper, Oneonta, Gadsden, Anniston, Centre, Heflin, Birmingham, Hoover, Columbiana, Pelham, Alabaster, Pell City, Moody, Talladega, Sylacauga, Ashland, Roanoke, Rockford, Alexander City, Dadeville, Valley, Lanett, and Lafayette 217 PM CDT Thu Apr 13 2023 ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...East winds 10 to 20 mph with gusts up to 35 mph. * WHERE...Portions of central Alabama. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ ALZ022-023-030>035-039>050-140000- /O.EXT.KBMX.WI.Y.0013.000000T0000Z-230414T0000Z/ Pickens-Tuscaloosa-Sumter-Greene-Hale-Perry-Bibb-Chilton-Marengo- Dallas-Autauga-Lowndes-Elmore-Montgomery-Macon-Bullock-Lee- Russell-Pike-Barbour- Including the cities of Carrollton, Tuscaloosa, Livingston, Eutaw, Greensboro, Moundville, Marion, Centreville, Clanton, Demopolis, Linden, Selma, Prattville, Fort Deposit, Hayneville, Wetumpka, Tallassee, Montgomery, Tuskegee, Union Springs, Auburn, Opelika, Phenix City, Troy, and Eufaula 217 PM CDT Thu Apr 13 2023 ...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Southeast winds around 20 mph with gusts of 35 to 40 mph. * WHERE...Pickens, Tuscaloosa, Sumter, Greene, Hale, Perry, Bibb, Chilton and Marengo Counties. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 2:41 PM CDT | Special Weather Statement | BMX | Walker | 34 min |
| Apr 13, 3:30 PM CDT | Special Weather Statement | BMX | Walker | 30 min |
| Apr 13, 4:16 PM CDT | Special Weather Statement | BMX | Fayette | 29 min |
| Apr 13, 6:12 PM CDT | Special Weather Statement | BMX | Jefferson | 33 min |
| Apr 13, 6:58 PM CDT | Special Weather Statement | BMX | Walker | 32 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.