Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Jacksonville, FL

July 25, 2012Columbia County, Suwannee County, Florida

NWS Jacksonville, FL issued this special weather statement at Jul 25, 2012, 4:00 PM EDT for Columbia County, Suwannee County, Florida. It was in force for 45 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: Jul 25, 2012, 4:00 PM EDT (20:00 UTC)
Expired: Jul 25, 2012, 4:45 PM EDT
In force: 45 min
Issued by: NWS Jacksonville, FL

Counties Columbia County, FL, Suwannee County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.0 hours before the alert went out and 114 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: 2761 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 873 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: 40 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 Jacksonville, FL wrote its last area forecast discussion before this special weather statement went out at Jul 25, 2:15 PM EDT, 1 hour 45 minutes earlier.

Area forecast discussion, Jul 25, 2:15 PM EDT, 1 hour 45 minutes before

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Hazardous weather outlook, Jul 25, 4:52 AM EDT, 11 hours 8 minutes before

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In the hours before

Special weather statement, Jul 25, 3:18 PM EDT, 42 minutes before

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Special weather statement, Jul 25, 3:38 PM EDT, 22 minutes before

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Special weather statement, Jul 25, 3:39 PM EDT, 21 minutes before

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Special weather statement, Jul 25, 3:56 PM EDT, 4 minutes before

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Special weather statement, Jul 25, 3:57 PM EDT, 3 minutes before

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Special weather statement, Jul 25, 4:00 PM EDT, 0 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
Jul 25, 2:43 PM EDT	Special Weather Statement	JAX	Hamilton	47 min
Jul 25, 2:51 PM EDT	Special Weather Statement	JAX	Marion	24 min
Jul 25, 3:13 PM EDT	Special Weather Statement	JAX	Hamilton	47 min
Jul 25, 3:18 PM EDT	Special Weather Statement	JAX	Marion	42 min
Jul 25, 3:38 PM EDT	Special Weather Statement	JAX	Suwannee	37 min
Jul 25, 3:56 PM EDT	Special Weather Statement	JAX	Nassau	34 min
Jul 25, 3:57 PM EDT	Special Weather Statement	JAX	Baker	33 min
Jul 25, 4:27 PM EDT	Special Weather Statement	JAX	Nassau	33 min
Jul 25, 4:30 PM EDT	Special Weather Statement	JAX	Baker	45 min
Jul 25, 4:44 PM EDT	Special Weather Statement	JAX	Baker, Columbia, Suwannee, Union	46 min
Jul 25, 4:50 PM EDT	Areal Flood Advisory	JAX	Baker, Columbia, Hamilton, Suwannee	115 min
Jul 25, 5:10 PM EDT	Special Weather Statement	JAX	Baker	35 min
Jul 25, 5:29 PM EDT	Special Weather Statement	JAX	Columbia, Union	31 min
Jul 25, 3:43 AM EDT	Heat Advisory	JAX	Appling, Atkinson, Bacon, Brantley, Camden, Clinch and 6 more	15 hr
Jul 25, 2:20 PM EDT	Special Weather Statement	JAX	Charlton	40 min
Jul 25, 2:40 PM EDT	Special Weather Statement	JAX	Charlton	50 min
Jul 25, 3:16 PM EDT	Special Weather Statement	JAX	Brantley	44 min
Jul 25, 3:39 PM EDT	Special Weather Statement	JAX	Charlton	36 min
Jul 25, 6:34 PM EDT	Special Weather Statement	JAX	Appling	26 min
Jul 25, 6:56 PM EDT	Special Weather Statement	JAX	Appling	34 min

Nearby

Special Weather Statements in Florida, 2012 Every special weather statement in 2012

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.