Alert archive / Alabama / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 44, NWS Tallahassee, FL

May 28, 2010Dale County, Geneva County, Houston County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at May 28, 2010, 6:44 PM CDT for Dale County, Geneva County, Houston County, Alabama. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 28, 2010, 6:44 PM CDT (23:44 UTC)
Expired: May 28, 2010, 7:15 PM CDT
In force: 31 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

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

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.7 hours before the alert went out and 245 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 823 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 1163 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -30 m²/s²
0-3 km storm-relative helicity: -33 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at May 28, 2:50 PM CDT, 3 hours 54 minutes earlier.

Area forecast discussion, May 28, 2:50 PM CDT, 3 hours 54 minutes before

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Hazardous weather outlook, May 28, 6:35 PM CDT, 9 minutes before

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In the hours before

Local storm report, May 28, 2:27 PM CDT, 4 hours 17 minutes before

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Special weather statement, May 28, 2:31 PM CDT, 4 hours 13 minutes before

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Local storm report, May 28, 2:47 PM CDT, 3 hours 57 minutes before

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Local storm report, May 28, 2:58 PM CDT, 3 hours 46 minutes before

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Local storm report, May 28, 6:10 PM CDT, 34 minutes before

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Special weather statement, May 28, 6:36 PM CDT, 8 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 1:16 PM CDT	Severe Thunderstorm Warning	TAE	Leon	26 min
May 28, 1:31 PM CDT	Severe Thunderstorm Warning	TAE	Jefferson, Leon	25 min
May 28, 2:34 PM CDT	Severe Thunderstorm Warning	TAE	Calhoun, Gulf, Liberty	41 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2010 Every severe thunderstorm warning in 2010

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.