Alert archive / Georgia / Special Weather Statements in 2011

Special Weather Statement, NWS Tallahassee, FL

July 8, 2011Seminole County, Georgia

NWS Tallahassee, FL issued this special weather statement at Jul 8, 2011, 5:53 PM EDT for Seminole County, Georgia. It was in force for 52 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 8, 2011, 5:53 PM EDT (21:53 UTC)
Expired
Jul 8, 2011, 6:45 PM EDT
In force
52 min
Issued by
NWS Tallahassee, FL

County Seminole County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.9 hours before the alert went out and 263 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, Peachtre/Fal Fld, GA at 12:00Z on 2011-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 896 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, Peachtre/Fal Fld, GA at 12:00Z on 2011-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
896 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
954 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Jul 8, 3:48 PM EDT, 2 hours 5 minutes earlier.

Area forecast discussion, Jul 8, 3:48 PM EDT, 2 hours 5 minutes before
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Hazardous weather outlook, Jul 8, 3:48 AM EDT, 14 hours 5 minutes before
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In the hours before

Special weather statement, Jul 8, 3:38 PM EDT, 2 hours 15 minutes before
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Special weather statement, Jul 8, 4:14 PM EDT, 1 hour 39 minutes before
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Special weather statement, Jul 8, 4:57 PM EDT, 56 minutes before
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Special weather statement, Jul 8, 5:53 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 3:38 PM EDTSpecial Weather StatementTAEBay37 min
Jul 8, 4:14 PM EDTSpecial Weather StatementTAECalhoun31 min
Jul 8, 4:57 PM EDTSpecial Weather StatementTAEDecatur48 min

Nearby

Special Weather Statements in Georgia, 2011Every special weather statement in 2011

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.