Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 252, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jul 27, 2012, 7:57 PM CDT for Lamar County, Pickens County, Alabama. It was in force for 48 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 27, 2012, 7:57 PM CDT (00:57 UTC)
- Expired
- Jul 27, 2012, 8:45 PM CDT
- In force
- 48 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
Counties Lamar County, AL, Pickens County, AL
The radar
The Columbus AFB radar (KGWX), 33 km from the middle of the area, began a volume at 00:57 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 27, 8:07 PM CDT | TSTM WND DMG | 1 S Vernon, AL | SEVERAL TREES AND POWER LINES REPORTED DOWN SOUTH OF VERNON. MORE SPECIFIC INFORMATION WILL BE RELEASED AS ADDITIONAL REPORTS COME IN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 1.0 hours before the alert went out and 136 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
- 694 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 1061 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -37 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
358 WUUS54 KBMX 280057 SVRBMX ALC075-107-280145- /O.NEW.KBMX.SV.W.0252.120728T0057Z-120728T0145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 757 PM CDT FRI JUL 27 2012 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN LAMAR COUNTY IN WEST CENTRAL ALABAMA... NORTHERN PICKENS COUNTY IN WEST CENTRAL ALABAMA... * UNTIL 845 PM CDT * AT 754 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR VERNON...AND MOVING SOUTH AT 10 MPH. * LOCATIONS IMPACTED INCLUDE... MILLPORT...KENNEDY...HIGHTOGY...STAR...CODY...MELBORNE...SHAW AND FOREST. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR LARGE DESTRUCTIVE HAIL CAPABLE OF PRODUCING SIGNIFICANT DAMAGE. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS. TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. && TO REPORT SEVERE WEATHER... CALL 1-800-856-0758 OR TWEET YOUR REPORT USING HASHTAG ALWX LAT...LON 3380 8824 3379 8795 3341 8794 3343 8829 TIME...MOT...LOC 0056Z 359DEG 12KT 3370 8811 $$ 56
2 follow-up statements
410 WWUS54 KBMX 280111 SVSBMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 811 PM CDT FRI JUL 27 2012 ALC075-107-280145- /O.CON.KBMX.SV.W.0252.000000T0000Z-120728T0145Z/ LAMAR AL-PICKENS AL- 811 PM CDT FRI JUL 27 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN PICKENS AND SOUTHERN LAMAR COUNTIES UNTIL 845 PM CDT... AT 806 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES SOUTH OF VERNON...MOVING SOUTH AT 15 MPH. LOCATIONS IMPACTED INCLUDE... MILLPORT...KENNEDY...MELBORNE...SHAW AND FOREST. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE SOUTH OF THE CITY OF VERNON AND ACROSS SOUTHERN LAMAR COUNTY. THIS IS AN EXTREMELY DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. && TO REPORT SEVERE WEATHER...CALL 1-800-856-0758. LAT...LON 3374 8825 3374 8795 3341 8794 3343 8829 TIME...MOT...LOC 0111Z 359DEG 12KT 3365 8811 $$ 56
637 WWUS54 KBMX 280131 SVSBMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 831 PM CDT FRI JUL 27 2012 ALC075-107-280145- /O.CON.KBMX.SV.W.0252.000000T0000Z-120728T0145Z/ LAMAR AL-PICKENS AL- 831 PM CDT FRI JUL 27 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN PICKENS AND SOUTHERN LAMAR COUNTIES UNTIL 845 PM CDT... AT 830 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR MILLPORT...MOVING SOUTH AT 15 MPH. LOCATIONS IMPACTED INCLUDE... MILLPORT...KENNEDY...MELBORNE...SHAW AND FOREST. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE ACROSS SOUTHERN LAMAR COUNTY. THIS IS AN EXTREMELY DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. && TO REPORT SEVERE WEATHER...CALL 1-800-856-0758. LAT...LON 3363 8826 3363 8795 3341 8794 3343 8829 TIME...MOT...LOC 0131Z 359DEG 12KT 3358 8811 $$ 56
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 7:02 PM CDT | Areal Flood Advisory | BMX | Lamar | 118 min |
| Jul 27, 7:12 PM CDT | Areal Flood Advisory | BMX | Russell | 63 min |
| Jul 27, 7:23 PM CDT | Severe Thunderstorm Warning | BMX | Lamar | 37 min |
| Jul 27, 7:39 PM CDT | Flash Flood Warning | BMX | Lamar | 3 hr |
| Jul 27, 8:27 PM CDT | Special Weather Statement | BMX | Pickens | 48 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2012Every severe thunderstorm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.