Alert archive / Alabama / Special Weather Statements in 2014
Special Weather Statement, NWS Birmingham, AL
NWS Birmingham, AL issued this special weather statement at Aug 18, 2014, 12:57 PM CDT for Greene County, Alabama. It was in force for 48 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
- Aug 18, 2014, 12:57 PM CDT (17:57 UTC)
- Expired
- Aug 18, 2014, 1:45 PM CDT
- In force
- 48 min
- Issued by
- NWS Birmingham, AL
County Greene County, AL
The radar
The Columbus AFB radar (KGWX), 117 km from the middle of the area, began a volume at 17:58 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 139 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
- 858 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 659 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- -1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Birmingham, AL wrote its last area forecast discussion before this special weather statement went out at Aug 18, 12:38 PM CDT, 19 minutes earlier.
Area forecast discussion, Aug 18, 12:38 PM CDT, 19 minutes before
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</html>Hazardous weather outlook, Aug 18, 4:47 AM CDT, 8 hours 10 minutes before
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</html>In the hours before
Special weather statement, Aug 18, 12:57 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1257 PM CDT MON AUG 18 2014 ALZ030-031-181845- GREENE AL-SUMTER AL- 1257 PM CDT MON AUG 18 2014 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN SUMTER AND WESTERN GREENE COUNTIES UNTIL 145 PM CDT... AT 1257 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG THUNDERSTORM 8 MILES NORTH OF EMELLE...OR 19 MILES NORTHWEST OF LIVINGSTON...MOVING EAST AT 25 MPH. WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... GAINESVILLE... NEW WEST GREENE... WEST GREENE... BOLIGEE... WARSAW... IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY. && LAT...LON 3294 8835 3294 8799 3267 8800 3275 8837 TIME...MOT...LOC 1757Z 279DEG 23KT 3284 8830 19
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 1:26 PM CDT | Special Weather Statement | BMX | Greene | 49 min |
| Aug 18, 2:08 PM CDT | Special Weather Statement | BMX | Bibb, Dallas, Perry | 67 min |
| Aug 18, 2:46 PM CDT | Special Weather Statement | BMX | Blount, Jefferson | 44 min |
| Aug 18, 3:01 PM CDT | Special Weather Statement | BMX | Autauga | 59 min |
| Aug 18, 3:22 PM CDT | Special Weather Statement | BMX | Shelby | 53 min |
| Aug 18, 3:24 PM CDT | Special Weather Statement | BMX | Cherokee | 66 min |
| Aug 18, 3:32 PM CDT | Special Weather Statement | BMX | Elmore | 58 min |
| Aug 18, 3:46 PM CDT | Severe Thunderstorm Warning | BMX | Elmore, Montgomery | 59 min |
| Aug 18, 3:54 PM CDT | Severe Thunderstorm Warning | BMX | St. Clair, Shelby, Talladega | 48 min |
| Aug 18, 4:21 PM CDT | Severe Thunderstorm Warning | BMX | Bullock, Macon, Montgomery, Pike, Tallapoosa | 54 min |
| Aug 18, 4:23 PM CDT | Special Weather Statement | BMX | Etowah | 37 min |
| Aug 18, 4:44 PM CDT | Special Weather Statement | BMX | Clay, Randolph | 61 min |
| Aug 18, 4:53 PM CDT | Special Weather Statement | BMX | Chambers, Lee | 67 min |
| Aug 18, 5:18 PM CDT | Special Weather Statement | BMX | Barbour, Russell | 57 min |
Nearby
Special Weather Statements in Alabama, 2014Every special weather statement in 2014
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.