Alert archive / Florida / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 40, NWS Tampa Bay, FL

July 26, 2006Levy County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 26, 2006, 4:29 PM EDT for Levy County, Florida. 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: Jul 26, 2006, 4:29 PM EDT (20:29 UTC)
Expired: Jul 26, 2006, 5:00 PM EDT
In force: 31 min
Issued by: NWS Tampa Bay, FL
Area: Counties, with a storm outline in the text

County Levy County, FL

The radar

The Jacksonville radar (KJAX), 170 km from the middle of the area, began a volume at 20:32 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

Jacksonville, FL (KJAX), launched 12:00Z, 8.5 hours before the alert went out and 171 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: 1299 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 1020 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: 25 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 Tampa Bay, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 26, 1:39 PM EDT, 2 hours 50 minutes earlier.

Area forecast discussion, Jul 26, 1:39 PM EDT, 2 hours 50 minutes before

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Hazardous weather outlook, Jul 26, 3:20 AM EDT, 13 hours 9 minutes before

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In the hours before

Special weather statement, Jul 26, 4:08 PM EDT, 21 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 8:09 PM EDT	Severe Thunderstorm Warning	TBW	DeSoto	36 min
Jul 26, 5:05 PM EDT	Special Weather Statement	TBW	Manatee	25 min
Jul 26, 5:45 PM EDT	Special Marine Warning	TBW		45 min

Nearby

Severe Thunderstorm Warnings in Florida, 2006 Every severe thunderstorm warning in 2006

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.