Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Birmingham, AL

June 13, 2021Greene County, Hale County, Alabama

NWS Birmingham, AL issued this special weather statement at Jun 13, 2021, 3:14 PM CDT for Greene County, Hale County, Alabama. It was in force for 46 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
Jun 13, 2021, 3:14 PM CDT (20:14 UTC)
Expired
Jun 13, 2021, 4:00 PM CDT
In force
46 min
Issued by
NWS Birmingham, AL

Counties Greene County, AL, Hale County, AL

The radar

The Birmingham radar (KBMX), 90 km from the middle of the area, began a volume at 20:18 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, 8.2 hours before the alert went out and 90 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.

Skew-T log-pSkew-T log-p diagram, Birmingham, AL at 12:00Z on 2021-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 597 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2021-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
597 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
1168 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

426 
WWUS84 KBMX 132014
SPSBMX

Special Weather Statement
National Weather Service Birmingham AL
314 PM CDT Sun Jun 13 2021
 
ALZ022-023-030>034-132100-
Greene AL-Hale AL-Pickens AL-Bibb AL-Sumter AL-Perry AL-
Tuscaloosa AL-
314 PM CDT Sun Jun 13 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN TUSCALOOSA...SOUTH
CENTRAL PICKENS...NORTHWESTERN PERRY...GREENE...HALE...SOUTHWESTERN
BIBB AND NORTH CENTRAL SUMTER COUNTIES UNTIL 400 PM CDT...

At 314 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Low Gap to near New West Greene. Movement
was south at 20 mph.

Pea size hail and winds in excess of 40 mph will be possible with
these storms.

Locations impacted include...
Eutaw, Greensboro, Moundville, Akron, Boligee, Union, Gainesville,
Epes, West Greene, Thornhill, Low Gap, Mertz, Sawyerville, Knoxville,
Walden Quarters, Heiberger, Wedgeworth, Greensboro Municipal Airport,
New West Greene and Mantua.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3268 8724 3267 8828 3307 8821 3311 8729
TIME...MOT...LOC 2014Z 358DEG 18KT 3303 8738 3299 8812 

$$

25/Owen

The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 13, 12:06 PM CDTSpecial Weather StatementBMXFayette24 min
Jun 13, 12:30 PM CDTSpecial Weather StatementBMXFayette30 min
Jun 13, 12:54 PM CDTSpecial Weather StatementBMXMarion36 min
Jun 13, 12:57 PM CDTSpecial Weather StatementBMXGreene33 min
Jun 13, 1:01 PM CDTSpecial Weather StatementBMXFayette29 min
Jun 13, 1:06 PM CDTSevere Thunderstorm WarningBMXFayette24 min
Jun 13, 1:09 PM CDTSpecial Weather StatementBMXFayette36 min
Jun 13, 1:13 PM CDTAreal Flood AdvisoryBMXFayette, Marion2 hr
Jun 13, 1:30 PM CDTSpecial Weather StatementBMXFayette30 min
Jun 13, 1:31 PM CDTSpecial Weather StatementBMXFayette44 min
Jun 13, 1:33 PM CDTSevere Thunderstorm WarningBMXFayette, Walker24 min
Jun 13, 1:37 PM CDTSpecial Weather StatementBMXGreene38 min
Jun 13, 1:41 PM CDTSpecial Weather StatementBMXPickens34 min
Jun 13, 1:42 PM CDTSpecial Weather StatementBMXLamar48 min
Jun 13, 1:45 PM CDTSevere Thunderstorm WarningBMXWalker, Winston34 min
Jun 13, 1:55 PM CDTSpecial Weather StatementBMXFayette50 min
Jun 13, 2:03 PM CDTSpecial Weather StatementBMXLamar27 min
Jun 13, 2:18 PM CDTSpecial Weather StatementBMXPickens42 min
Jun 13, 2:28 PM CDTSevere Thunderstorm WarningBMXPickens18 min
Jun 13, 3:15 PM CDTSpecial Weather StatementBMXHale30 min
Jun 13, 3:29 PM CDTSevere Thunderstorm WarningBMXHale18 min

Nearby

Special Weather Statements in Alabama, 2021Every special weather statement in 2021

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.