Alert archive / Alabama / Special Weather Statements in 2016
Special Weather Statement, NWS Birmingham, AL
NWS Birmingham, AL issued this special weather statement at Jul 20, 2016, 12:21 PM CDT for Pickens County, Alabama. It was in force for 54 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
- Jul 20, 2016, 12:21 PM CDT (17:21 UTC)
- Expired
- Jul 20, 2016, 1:15 PM CDT
- In force
- 54 min
- Issued by
- NWS Birmingham, AL
County Pickens County, AL
The radar
The Columbus AFB radar (KGWX), 63 km from the middle of the area, began a volume at 17:21 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, 5.4 hours before the alert went out and 133 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
- 1267 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 1023 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
082 WWUS84 KBMX 201721 SPSBMX SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1221 PM CDT WED JUL 20 2016 ALZ022-201815- PICKENS AL- 1221 PM CDT WED JUL 20 2016 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN PICKENS COUNTY UNTIL 115 PM CDT... AT 1221 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR ETHELSVILLE...OR 7 MILES NORTH OF PICKENSVILLE...MOVING SOUTH AT 10 MPH. PEA SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... CARROLLTON...PICKENSVILLE...ETHELSVILLE...BEVILL LOCK AND DAM...PINE GROVE...DILLBURG AND MCSHAN. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. && LAT...LON 3345 8828 3343 8808 3318 8805 3319 8832 TIME...MOT...LOC 1721Z 354DEG 8KT 3333 8827 $$ 05
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 12:39 PM CDT | Special Weather Statement | BMX | Bibb | 66 min |
| Jul 20, 1:36 PM CDT | Special Weather Statement | BMX | Perry | 39 min |
| Jul 20, 1:53 PM CDT | Special Weather Statement | BMX | Perry | 37 min |
| Jul 20, 2:47 PM CDT | Special Weather Statement | BMX | Tuscaloosa | 28 min |
| Jul 20, 3:15 PM CDT | Special Weather Statement | BMX | Tuscaloosa | 30 min |
| Jul 20, 3:28 PM CDT | Special Weather Statement | BMX | Tuscaloosa | 32 min |
| Jul 20, 5:38 PM CDT | Special Weather Statement | BMX | Walker | 37 min |
| Jul 20, 6:46 PM CDT | Special Weather Statement | BMX | Bullock | 29 min |
Nearby
Special Weather Statements in Alabama, 2016Every special weather statement in 2016
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.