Alert archive / Alabama / Special Weather Statements in 2020

Special Weather Statement, NWS Mobile, AL

August 14, 2020Covington County, Alabama

NWS Mobile, AL issued this special weather statement at Aug 14, 2020, 4:24 PM CDT for Covington County, Alabama. It was in force for 51 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 14, 2020, 4:24 PM CDT (21:24 UTC)
Expired
Aug 14, 2020, 5:15 PM CDT
In force
51 min
Issued by
NWS Mobile, AL

County Covington County, AL

The radar

The Ft Rucker radar (KEOX), 101 km from the middle of the area, began a volume at 21:27 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 9.4 hours before the alert went out and 237 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, Tallahassee Rgnl, FL at 12:00Z on 2020-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 667 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2020-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 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
667 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
782 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
-20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 3:05 PM CDTSpecial Weather StatementMOBMobile40 min
Aug 14, 3:29 PM CDTSpecial Marine WarningMOB69 min
Aug 14, 3:35 PM CDTSpecial Weather StatementMOBBaldwin, Mobile85 min
Aug 14, 4:44 PM CDTSpecial Weather StatementMOBBaldwin46 min
Aug 14, 5:20 PM CDTSpecial Marine WarningMOB55 min
Aug 14, 6:01 PM CDTSpecial Weather StatementMOBEscambia29 min
Aug 14, 6:42 PM CDTSpecial Weather StatementMOBCovington48 min
Aug 14, 5:27 PM CDTSpecial Weather StatementMOBEscambia48 min
Aug 14, 2:05 PM CDTSpecial Weather StatementMOBPerry, Wayne55 min
Aug 14, 2:47 PM CDTSpecial Weather StatementMOBGeorge, Greene, Stone58 min
Aug 14, 3:23 PM CDTSpecial Weather StatementMOBStone52 min

Nearby

Special Weather Statements in Alabama, 2020Every special weather statement in 2020

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.