Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Mobile, AL

June 9, 2021Clarke County, Alabama

NWS Mobile, AL issued this special weather statement at Jun 9, 2021, 12:45 PM CDT for Clarke County, Alabama. It was in force for 45 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 9, 2021, 12:45 PM CDT (17:45 UTC)
Expired
Jun 9, 2021, 1:30 PM CDT
In force
45 min
Issued by
NWS Mobile, AL

County Clarke County, AL

The radar

The Mobile radar (KMOB), 141 km from the middle of the area, began a volume at 17:45 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, 5.8 hours before the alert went out and 183 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 2021-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 714 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 2021-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
714 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
547 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
-5 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

959 
WWUS84 KMOB 091745
SPSMOB

Special Weather Statement
National Weather Service Mobile AL
1245 PM CDT Wed Jun 9 2021
 
ALZ051>053-091830-
Clarke AL-Choctaw AL-Washington AL-
1245 PM CDT Wed Jun 9 2021

...STRONG THUNDERSTORMS WILL AFFECT THE FOLLOWING COUNTIES...SOUTH 
CENTRAL CHOCTAW...NORTHEASTERN WASHINGTON AND NORTHWESTERN CLARKE 
COUNTIES UNTIL 130 PM CDT...

At 1243 PM CDT, a cluster of strong thunderstorm was centered about 
5 miles southwest of Coffeeville, or 17 miles northeast of Chatom, 
moving northeast at 15 mph.

Winds in excess of 30 mph will be possible with these storms.

Locations impacted include...
Thomasville and Coffeeville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy 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 3202 8812 3201 8811 3199 8810 3200 8809
      3201 8809 3199 8807 3199 8792 3196 8767
      3150 8791 3170 8832 3202 8814
TIME...MOT...LOC 1743Z 212DEG 14KT 3169 8814 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 9:44 AM CDTSpecial Weather StatementMOBMobile46 min
Jun 9, 10:00 AM CDTRiver Flood WarningMOBChoctaw, Clarke, Washington19 days
Jun 9, 10:54 AM CDTSpecial Weather StatementMOBWashington51 min
Jun 9, 11:24 AM CDTSpecial Weather StatementMOBWashington51 min
Jun 9, 12:49 PM CDTSpecial Weather StatementMOBChoctaw41 min
Jun 9, 10:20 AM CDTSpecial Weather StatementMOBGreene40 min
Jun 9, 11:49 AM CDTSpecial Weather StatementMOBPerry41 min
Jun 9, 1:49 PM CDTSpecial Weather StatementMOBWayne41 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.