Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Jacksonville, FL

March 17, 2012Brantley County, Georgia

NWS Jacksonville, FL issued this special weather statement at Mar 17, 2012, 7:49 PM EDT for Brantley County, Georgia. It was in force for 26 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 17, 2012, 7:49 PM EDT (23:49 UTC)
Expired: Mar 17, 2012, 8:15 PM EDT
In force: 26 min
Issued by: NWS Jacksonville, FL

County Brantley County, GA

The radar

The Jacksonville radar (KJAX), 73 km from the middle of the area, began a volume at 23:50 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

Charleston AFB, SC (KCHS), launched 12:00Z, 11.8 hours before the alert went out and 284 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: 76 J/kg
Mixed-layer CIN: -170 J/kg
Mixed-layer LCL: 1383 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 70 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 17, 3:07 PM EDT	Special Weather Statement	JAX	Baker, Union	53 min
Mar 17, 3:55 PM EDT	Special Weather Statement	JAX	Bradford, Union	35 min
Mar 17, 4:32 PM EDT	Special Weather Statement	JAX	Duval	28 min
Mar 17, 4:56 PM EDT	Special Weather Statement	JAX	Baker	34 min
Mar 17, 1:33 AM EDT	Special Weather Statement	JAX	Jeff Davis	57 min
Mar 17, 4:08 PM EDT	Special Weather Statement	JAX	Wayne	37 min
Mar 17, 5:47 PM EDT	Special Weather Statement	JAX	Appling	28 min

Nearby

Special Weather Statements in Georgia, 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.