Alert archive / Alabama / Wind Advisories in 2018
Wind Advisory 7, NWS Birmingham, AL
NWS Birmingham, AL issued this wind advisory at Apr 15, 2018, 3:36 AM CDT for 24 counties in Alabama. It took effect at Apr 15, 2018, 5:41 AM CDT. It was in force for 16 hr.
The area
The counties it named.
The facts
- Issued
- Apr 15, 2018, 3:36 AM CDT (08:36 UTC)
- In effect from
- Apr 15, 2018, 5:41 AM CDT
- Expired
- Apr 15, 2018, 10:00 PM CDT
- In force
- 16 hr
- Issued by
- NWS Birmingham, AL
All 24 counties
Autauga County, AL, Barbour 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, Elmore County, AL, Etowah County, AL, Jefferson County, AL, Lee County, AL, Macon County, AL, Montgomery 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), 55 km from the middle of the area, began a volume at 08:37 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
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 8.6 hours before the alert went out and 143 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
- 110 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1554 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 136 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted.
390 WWUS74 KBMX 150836 NPWBMX URGENT - WEATHER MESSAGE National Weather Service Birmingham AL 336 AM CDT Sun Apr 15 2018 ...Windy Conditions This Afternoon and Evening Across Eastern Alabama... .An upper low will swing through the area this afternoon and early evening. The pressure gradients will increase as the low moves through and thus increase the winds. With the wet antecedent ground soil the winds could cause trees to go down a little easier. ALZ017>021-024>029-035>038-041-043>050-152100- /O.NEW.KBMX.WI.Y.0007.180415T1800Z-180416T0300Z/ Blount-Etowah-Calhoun-Cherokee-Cleburne-Jefferson-Shelby- St. Clair-Talladega-Clay-Randolph-Chilton-Coosa-Tallapoosa- Chambers-Autauga-Elmore-Montgomery-Macon-Bullock-Lee-Russell-Pike- Barbour- Including the cities of Oneonta, Gadsden, Anniston, Centre, Heflin, Birmingham, Hoover, Columbiana, Pelham, Alabaster, Pell City, Moody, Talladega, Sylacauga, Ashland, Roanoke, Clanton, Rockford, Alexander City, Dadeville, Valley, Lanett, Lafayette, Prattville, Wetumpka, Tallassee, Montgomery, Tuskegee, Union Springs, Auburn, Opelika, Phenix City, Troy, and Eufaula 336 AM CDT Sun Apr 15 2018 ...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM CDT THIS EVENING... The National Weather Service in Birmingham has issued a Wind Advisory, which is in effect from 1 PM this afternoon to 10 PM CDT this evening. * TIMING...of the strongest winds will be this afternoon and early evening. * WINDS...will generally be 15 to 25 mph with gusts to around 40 mph. * IMPACTS...of the strong winds could cause large limbs and smaller trees to fall. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$
2 follow-up statements
396 WWUS74 KBMX 151041 NPWBMX URGENT - WEATHER MESSAGE National Weather Service Birmingham AL 541 AM CDT Sun Apr 15 2018 ...Windy Conditions Across Eastern Alabama... .An upper low will swing through the area today. The pressure gradients will increase as the low moves through and thus increase the winds. Winds are already near wind advisory criteria. With the wet antecedent ground soil the winds could cause trees to go down a little easier. ALZ017>021-024>029-035>038-041-043>050-151845- /O.EXT.KBMX.WI.Y.0007.180415T1041Z-180416T0300Z/ Blount-Etowah-Calhoun-Cherokee-Cleburne-Jefferson-Shelby- St. Clair-Talladega-Clay-Randolph-Chilton-Coosa-Tallapoosa- Chambers-Autauga-Elmore-Montgomery-Macon-Bullock-Lee-Russell-Pike- Barbour- Including the cities of Oneonta, Gadsden, Anniston, Centre, Heflin, Birmingham, Hoover, Columbiana, Pelham, Alabaster, Pell City, Moody, Talladega, Sylacauga, Ashland, Roanoke, Clanton, Rockford, Alexander City, Dadeville, Valley, Lanett, Lafayette, Prattville, Wetumpka, Tallassee, Montgomery, Tuskegee, Union Springs, Auburn, Opelika, Phenix City, Troy, and Eufaula 541 AM CDT Sun Apr 15 2018 ...WIND ADVISORY NOW IN EFFECT UNTIL 10 PM CDT THIS EVENING... * TIMING...of the strongest winds will be through 10 pm. * WINDS...will generally be 15 to 25 mph with gusts to around 40 mph. * IMPACTS...of the strong winds could cause large limbs and smaller trees to fall. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that wind gusts of 35 mph are expected. Winds this strong can make driving difficult...especially for high profile vehicles. Use extra caution. && $$
745 WWUS74 KBMX 151622 NPWBMX URGENT - WEATHER MESSAGE National Weather Service Birmingham AL 1122 AM CDT Sun Apr 15 2018 ...Windy Conditions Across Eastern Alabama... .An upper low will swing through the area this afternoon. The pressure gradients will increase as the low moves through and thus increase the winds. Winds are already near wind advisory criteria. With the wet antecedent ground soil the winds could cause trees to go down a little easier. ALZ017>021-024>029-035>038-041-043>050-160300- /O.CON.KBMX.WI.Y.0007.000000T0000Z-180416T0300Z/ Blount-Etowah-Calhoun-Cherokee-Cleburne-Jefferson-Shelby- St. Clair-Talladega-Clay-Randolph-Chilton-Coosa-Tallapoosa- Chambers-Autauga-Elmore-Montgomery-Macon-Bullock-Lee-Russell-Pike- Barbour- Including the cities of Oneonta, Gadsden, Anniston, Centre, Heflin, Birmingham, Hoover, Columbiana, Pelham, Alabaster, Pell City, Moody, Talladega, Sylacauga, Ashland, Roanoke, Clanton, Rockford, Alexander City, Dadeville, Valley, Lanett, Lafayette, Prattville, Wetumpka, Tallassee, Montgomery, Tuskegee, Union Springs, Auburn, Opelika, Phenix City, Troy, and Eufaula 1122 AM CDT Sun Apr 15 2018 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * TIMING...of the strongest winds will be through 10 pm. * WINDS...will generally be 15 to 25 mph with gusts up to 40 mph. * IMPACTS...of the strong winds could cause large limbs and smaller trees to fall. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 7:40 PM CDT | Special Weather Statement | BMX | Cherokee | 20 min |
| Apr 14, 7:49 PM CDT | Areal Flood Advisory | BMX | Bibb, Jefferson, Shelby, Tuscaloosa | 3 hr |
| Apr 14, 7:51 PM CDT | Areal Flood Advisory | BMX | Greene, Sumter | 3 hr |
| Apr 14, 8:18 PM CDT | Areal Flood Advisory | BMX | Chilton | 6 hr |
| Apr 14, 8:50 PM CDT | Special Weather Statement | BMX | Dallas | 25 min |
| Apr 14, 9:13 PM CDT | Special Weather Statement | BMX | Dallas | 47 min |
| Apr 14, 9:22 PM CDT | Flash Flood Warning | BMX | Dallas, Perry | 6 hr |
| Apr 14, 11:18 PM CDT | Areal Flood Advisory | BMX | Shelby | 6 hr |
| Apr 15, 8:41 AM CDT | River Flood Warning | BMX | Greene, Hale, Marengo, Sumter | 48 hr |
| Apr 15, 8:44 AM CDT | River Flood Warning | BMX | Greene, Hale, Marengo | 4 days |
| Apr 15, 8:52 AM CDT | River Flood Warning | BMX | Bibb, Jefferson, Shelby | 12 hr |
| Apr 15, 8:52 AM CDT | River Flood Warning | BMX | Bibb, Dallas, Perry | 36 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.