Alert archive / Alabama / Special Weather Statements in 2013
Special Weather Statement, NWS Birmingham, AL
NWS Birmingham, AL issued this special weather statement at Apr 18, 2013, 10:32 PM CDT for Lamar County, Pickens County, Alabama. It was in force for 43 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 18, 2013, 10:32 PM CDT (03:32 UTC)
- Expired
- Apr 18, 2013, 11:15 PM CDT
- In force
- 43 min
- Issued by
- NWS Birmingham, AL
Counties Lamar County, AL, Pickens County, AL
The radar
The Columbus AFB radar (KGWX), 25 km from the middle of the area, began a volume at 03:33 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 00:00Z, 3.5 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
- 22 J/kg
- Mixed-layer CIN
- -267 J/kg
- Mixed-layer LCL
- 1515 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 230 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
198
WWUS84 KBMX 190332
SPSBMX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1032 PM CDT THU APR 18 2013
ALZ012-022-190415-
LAMAR AL-PICKENS AL-
1032 PM CDT THU APR 18 2013
...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN PICKENS AND LAMAR
COUNTIES UNTIL 1115 PM CDT...
AT 1029 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES NORTHWEST OF
BEDFORD TO 5 MILES SOUTH OF CALEDONIA TO NEW HOPE TO 13 MILES WEST OF
BEVILL LOCK AND DAM...AND MOVING NORTHEAST AT 45 MPH.
WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THESE STORMS...ALONG WITH
HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING.
LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
PICKENSVILLE...
VERNON...
SULLIGENT...
CARROLLTON...
MILLPORT...
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 3406 8821 3405 8799 3402 8799 3402 8795
3316 8796 3317 8831
TIME...MOT...LOC 0332Z 237DEG 41KT 3386 8831 3363 8826
3346 8833 3328 8847
$$
MAThe office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 10:56 PM CDT | Special Weather Statement | BMX | Marion | 49 min |
| Apr 18, 11:15 PM CDT | Special Weather Statement | BMX | Pickens | 45 min |
| Apr 18, 11:55 PM CDT | Wind Advisory | BMX | Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 28 more | 8 hr |
| Apr 18, 11:58 PM CDT | Special Weather Statement | BMX | Walker | 47 min |
| Apr 19, 12:46 AM CDT | Special Weather Statement | BMX | Walker | 44 min |
| Apr 19, 1:40 AM CDT | Special Weather Statement | BMX | Blount, Jefferson | 50 min |
| Apr 19, 10:24 AM CDT | Special Weather Statement | BMX | Russell | 21 min |
| Apr 19, 10:25 AM CDT | Special Weather Statement | BMX | Barbour | 35 min |
| Apr 19, 1:26 PM CDT | Frost Advisory | BMX | Blount, Calhoun, Cherokee, Cleburne, Etowah, Fayette and 6 more | 19 hr |
Nearby
Special Weather Statements in Alabama, 2013Every special weather statement in 2013
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.