Alert archive / Florida / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 189, NWS Jacksonville, FL

October 27, 2006Suwannee County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Oct 27, 2006, 9:08 PM EDT for Suwannee County, Florida. It was in force for 40 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: Oct 27, 2006, 9:08 PM EDT (01:08 UTC)
Expired: Oct 27, 2006, 9:48 PM EDT
In force: 40 min
Issued by: NWS Jacksonville, FL
Area: Counties, with a storm outline in the text

County Suwannee County, FL

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Oct 27, 8:20 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 1.1 hours before the alert went out and 128 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: 1 J/kg
Mixed-layer CIN: -313 J/kg
Mixed-layer LCL: 1120 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 102 m²/s²
0-3 km storm-relative helicity: 122 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 Jacksonville, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 27, 7:20 PM EDT, 1 hour 48 minutes earlier.

Area forecast discussion, Oct 27, 7:20 PM EDT, 1 hour 48 minutes before

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Hazardous weather outlook, Oct 27, 4:30 PM EDT, 4 hours 38 minutes before

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In the hours before

Special weather statement, Oct 27, 3:31 PM EDT, 5 hours 37 minutes before

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Special weather statement, Oct 27, 6:33 PM EDT, 2 hours 35 minutes before

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Special weather statement, Oct 27, 7:29 PM EDT, 1 hour 39 minutes before

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Special weather statement, Oct 27, 7:32 PM EDT, 1 hour 36 minutes before

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Special weather statement, Oct 27, 7:50 PM EDT, 1 hour 18 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 27, 9:43 PM EDT	Severe Thunderstorm Warning	JAX	Gilchrist, Suwannee	62 min
Oct 28, 2:45 PM EDT	Red Flag Warning	JAX	Baker, Bradford, Gilchrist, Nassau, Suwannee, Union	28 hr

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.