Alert archive / Alabama / Special Weather Statements in 2021

Special Weather Statement, NWS Tallahassee, FL

August 29, 20214 counties in Alabama

NWS Tallahassee, FL issued this special weather statement at Aug 29, 2021, 11:30 AM CDT for 4 counties in 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
Aug 29, 2021, 11:30 AM CDT (16:30 UTC)
Expired
Aug 29, 2021, 12:15 PM CDT
In force
45 min
Issued by
NWS Tallahassee, FL
Hail
0.00 in
Wind
40

Counties Coffee County, AL, Dale County, AL, Geneva County, AL, Houston County, AL

The radar

The Ft Rucker radar (KEOX), 28 km from the middle of the area, began a volume at 16:29 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, 4.5 hours before the alert went out and 173 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 2021-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 912 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 2021-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 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
912 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
706 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
139 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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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tallahassee, FL wrote its last area forecast discussion before this special weather statement went out at Aug 29, 10:41 AM CDT, 49 minutes earlier.

Area forecast discussion, Aug 29, 10:41 AM CDT, 49 minutes before
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In the hours before

Special weather statement, Aug 29, 9:51 AM CDT, 1 hour 39 minutes before
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Local storm report, Aug 29, 9:54 AM CDT, 1 hour 36 minutes before
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Local storm report, Aug 29, 10:15 AM CDT, 1 hour 15 minutes before
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Special weather statement, Aug 29, 10:22 AM CDT, 1 hour 8 minutes before
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Special weather statement, Aug 29, 10:59 AM CDT, 31 minutes before
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Special weather statement, Aug 29, 11:30 AM CDT, 0 minutes before
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The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 28, 9:43 PM CDTSpecial Marine WarningTAE62 min
Aug 28, 9:47 PM CDTSpecial Marine WarningTAE88 min
Aug 28, 10:00 PM CDTTropical Storm WarningTAE17 hr
Aug 28, 11:00 PM CDTSpecial Weather StatementTAEFranklin, Gulf60 min
Aug 28, 11:10 PM CDTSpecial Marine WarningTAE50 min
Aug 28, 11:14 PM CDTSpecial Marine WarningTAE61 min
Aug 28, 11:18 PM CDTSevere Thunderstorm WarningTAEFranklin, Gulf, Liberty42 min
Aug 28, 11:55 PM CDTSpecial Weather StatementTAELiberty, Wakulla35 min
Aug 29, 12:02 AM CDTSpecial Marine WarningTAE88 min
Aug 29, 1:27 AM CDTSpecial Marine WarningTAE93 min
Aug 29, 2:11 AM CDTSpecial Marine WarningTAE34 min
Aug 29, 2:36 AM CDTCoastal Flood AdvisoryTAEBay, Franklin, Gulf, Jefferson, Wakulla, Walton25 hr
Aug 29, 2:54 AM CDTSpecial Marine WarningTAE51 min
Aug 29, 3:06 AM CDTSpecial Marine WarningTAE24 min
Aug 29, 5:26 AM CDTSpecial Marine WarningTAE52 min
Aug 29, 7:49 AM CDTSpecial Marine WarningTAE26 min
Aug 29, 8:18 AM CDTSpecial Marine WarningTAE42 min
Aug 29, 8:22 AM CDTSpecial Weather StatementTAEBay, Gulf38 min
Aug 29, 8:46 AM CDTSevere Thunderstorm WarningTAEGulf29 min
Aug 29, 8:53 AM CDTSpecial Marine WarningTAE37 min
Aug 29, 8:55 AM CDTSpecial Weather StatementTAEWalton50 min
Aug 29, 9:11 AM CDTSpecial Weather StatementTAEBay, Gulf34 min
Aug 29, 9:29 AM CDTSpecial Marine WarningTAE31 min
Aug 29, 9:46 AM CDTSpecial Weather StatementTAEHolmes29 min
Aug 29, 9:51 AM CDTSpecial Weather StatementTAEBay39 min
Aug 29, 10:22 AM CDTSpecial Weather StatementTAEHolmes, Washington38 min
Aug 29, 10:26 AM CDTSpecial Marine WarningTAE49 min
Aug 29, 10:59 AM CDTSpecial Weather StatementTAECalhoun, Holmes, Jackson31 min
Aug 29, 11:14 AM CDTSpecial Marine WarningTAE46 min
Aug 29, 12:49 PM CDTSpecial Marine WarningTAE86 min
Aug 29, 1:40 PM CDTSevere Thunderstorm WarningTAEBay, Holmes, Walton, Washington50 min
Aug 29, 2:27 PM CDTSpecial Weather StatementTAEHolmes, Jackson, Walton, Washington48 min
Aug 29, 3:51 PM CDTSpecial Weather StatementTAETaylor39 min
Aug 29, 4:06 PM CDTAreal Flood AdvisoryTAEBay, Walton, Washington114 min
Aug 29, 4:10 PM CDTSpecial Weather StatementTAEWashington35 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.