Alert archive / Alabama / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 171, NWS Birmingham, AL

May 9, 1995Calhoun County, Talladega County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at May 9, 1995, 4:40 PM CDT for Calhoun County, Talladega County, Alabama. It was in force for 50 min.

The area

The counties it named.

The facts

Issued: May 9, 1995, 4:40 PM CDT (21:40 UTC)
Expired: May 9, 1995, 5:30 PM CDT
In force: 50 min
Issued by: NWS Birmingham, AL
Area: Whole counties

Counties Calhoun County, AL, Talladega County, AL

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.7 hours before the alert went out and 141 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: 338 J/kg
Mixed-layer CIN: -74 J/kg
Mixed-layer LCL: 762 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 126 m²/s²
0-3 km storm-relative helicity: 270 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, May 9, 11:59 AM CDT, 4 hours 41 minutes before

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Special weather statement, May 9, 2:02 PM CDT, 2 hours 38 minutes before

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Special weather statement, May 9, 3:26 PM CDT, 1 hour 14 minutes before

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Local storm report, May 9, 4:06 PM CDT, 34 minutes before

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Special weather statement, May 9, 4:39 PM CDT, 1 minute before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 6:05 PM CDT	Severe Thunderstorm Warning	BMX	Jackson	45 min
May 9, 6:23 PM CDT	Severe Thunderstorm Warning	BMX	Bibb	52 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1995 Every severe thunderstorm warning in 1995

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.