Alert archive / Alabama / Special Weather Statements in 2015
Special Weather Statement, NWS Birmingham, AL
NWS Birmingham, AL issued this special weather statement at Apr 1, 2015, 1:07 AM CDT for 4 counties in Alabama. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 1, 2015, 1:07 AM CDT (06:07 UTC)
- Expired
- Apr 1, 2015, 1:45 AM CDT
- In force
- 38 min
- Issued by
- NWS Birmingham, AL
Counties Fayette County, AL, Jefferson County, AL, Lamar County, AL, Tuscaloosa County, AL
The radar
The Columbus AFB radar (KGWX), 74 km from the middle of the area, began a volume at 06:06 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
Little Rock, AR (KBYH), launched 00:00Z, 6.1 hours before the alert went out and 255 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
- 1687 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 1334 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- -0.1
- Supercell composite
- -1.1
The text
As transmitted, in the capitals the NWS used until 2016.
883 WWUS84 KBMX 010607 SPSBMX SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 107 AM CDT WED APR 1 2015 ALZ012-013-015-022>025-010645- PICKENS AL-WALKER AL-TUSCALOOSA AL-JEFFERSON AL-SHELBY AL-LAMAR AL- FAYETTE AL- 107 AM CDT WED APR 1 2015 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN LAMAR...JEFFERSON...WEST CENTRAL SHELBY...SOUTHERN WALKER...NORTHERN TUSCALOOSA...NORTHEASTERN PICKENS AND FAYETTE COUNTIES UNTIL 145 AM CDT... AT 107 AM CDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR SYLVAN SPRINGS TO ASHCRAFT CORNER...AND MOVING SOUTHEAST AT 40 MPH. DIME SIZE HAIL AND WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH THESE STORMS. LOCATIONS IMPACTED INCLUDE... BIRMINGHAM...HOOVER...VESTAVIA HILLS...ALABASTER...BESSEMER... HOMEWOOD...PELHAM...MOUNTAIN BROOK...HELENA...HUEYTOWN... GARDENDALE...FAIRFIELD...FULTONDALE...FAYETTE...SUMITON...CORDOVA... DORA...VERNON...GORDO AND REFORM. LAT...LON 3383 8819 3374 8673 3325 8672 3331 8823 TIME...MOT...LOC 0607Z 311DEG 35KT 3352 8710 3353 8788 $$ 75
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 7:00 PM CDT | Special Weather Statement | BMX | Jefferson | 30 min |
| Mar 31, 7:10 PM CDT | Severe Thunderstorm Warning | BMX | Blount | 65 min |
| Mar 31, 7:19 PM CDT | Special Weather Statement | BMX | Walker | 41 min |
| Mar 31, 7:40 PM CDT | Special Weather Statement | BMX | Chambers | 50 min |
| Mar 31, 7:56 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 35 min |
| Mar 31, 10:35 PM CDT | Special Weather Statement | BMX | Winston | 40 min |
| Mar 31, 10:46 PM CDT | Special Weather Statement | BMX | Etowah | 44 min |
| Apr 1, 12:37 AM CDT | Special Weather Statement | BMX | Fayette, Jefferson, Lamar, Walker | 38 min |
| Apr 1, 8:01 AM CDT | Dense Fog Advisory | BMX | Blount, Calhoun, Cherokee, Clay, Cleburne, Etowah and 11 more | 119 min |
Nearby
Special Weather Statements in Alabama, 2015Every special weather statement in 2015
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.