Alert archive / Florida / Special Weather Statements in 2011

Special Weather Statement, NWS Tallahassee, FL

June 11, 2011Lafayette County, Florida

NWS Tallahassee, FL issued this special weather statement at Jun 11, 2011, 4:12 PM EDT for Lafayette County, Florida. It was in force for 33 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: Jun 11, 2011, 4:12 PM EDT (20:12 UTC)
Expired: Jun 11, 2011, 4:45 PM EDT
In force: 33 min
Issued by: NWS Tallahassee, FL

County Lafayette County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.2 hours before the alert went out and 111 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: 1057 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1091 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 129 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 Jun 11, 3:35 PM EDT, 37 minutes earlier.

Area forecast discussion, Jun 11, 3:35 PM EDT, 37 minutes before

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Hazardous weather outlook, Jun 11, 3:51 AM EDT, 12 hours 21 minutes before

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In the hours before

Special weather statement, Jun 11, 4:12 PM EDT, 0 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
Jun 11, 4:04 AM EDT	Red Flag Warning	TAE	Gadsden, Holmes, Jackson, Jefferson, Leon, Madison and 2 more	14 hr
Jun 10, 11:15 PM EDT	Special Weather Statement	TAE	Dale	45 min

Nearby

Special Weather Statements in Florida, 2011 Every 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.