Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Jacksonville, FL

March 14, 2012Bradford County, Florida

NWS Jacksonville, FL issued this special weather statement at Mar 14, 2012, 6:39 PM EDT for Bradford County, Florida. It was in force for 36 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: Mar 14, 2012, 6:39 PM EDT (22:39 UTC)
Expired: Mar 14, 2012, 7:15 PM EDT
In force: 36 min
Issued by: NWS Jacksonville, FL

County Bradford County, FL

The radar

The Jacksonville radar (KJAX), 85 km from the middle of the area, began a volume at 22:40 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.7 hours before the alert went out and 229 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: 548 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 1051 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 31 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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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 14, 4:39 PM EDT	Special Weather Statement	JAX	Nassau	36 min
Mar 14, 5:06 PM EDT	Special Weather Statement	JAX	Duval	24 min
Mar 14, 5:39 PM EDT	Special Weather Statement	JAX	Clay	36 min
Mar 14, 5:46 PM EDT	Severe Thunderstorm Warning	JAX	Clay, Duval	29 min
Mar 14, 6:11 PM EDT	Special Weather Statement	JAX	Bradford	34 min
Mar 14, 6:14 PM EDT	Special Weather Statement	JAX	Alachua	31 min
Mar 14, 6:59 PM EDT	Special Weather Statement	JAX	Marion	31 min
Mar 14, 7:05 PM EDT	Special Weather Statement	JAX	Alachua	25 min
Mar 14, 7:08 PM EDT	Severe Thunderstorm Warning	JAX	Alachua	52 min
Mar 14, 7:57 PM EDT	Severe Thunderstorm Warning	JAX	Alachua	18 min
Mar 14, 3:59 PM EDT	Special Weather Statement	JAX	Echols	31 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; radar from the NEXRAD Level II archive.