Alert archive / Georgia / Special Weather Statements in 2018

Special Weather Statement, NWS Jacksonville, FL

July 29, 2018Jeff Davis County, Georgia

NWS Jacksonville, FL issued this special weather statement at Jul 29, 2018, 4:12 PM EDT for Jeff Davis County, Georgia. It was in force for 48 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 29, 2018, 4:12 PM EDT (20:12 UTC)
Expired: Jul 29, 2018, 5:00 PM EDT
In force: 48 min
Issued by: NWS Jacksonville, FL

County Jeff Davis County, GA

The radar

The Moody AFB radar (KVAX), 89 km from the middle of the area, began a volume at 20:16 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

Jacksonville, FL (KJAX), launched 12:00Z, 8.2 hours before the alert went out and 154 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: 704 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 888 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: -18 m²/s²
0-3 km storm-relative helicity: 6 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 29, 2:52 PM EDT	River Flood Warning	JAX	Baker, Nassau	5 days
Jul 29, 3:29 PM EDT	Areal Flood Advisory	JAX	Nassau	91 min
Jul 29, 3:32 PM EDT	Special Weather Statement	JAX	Nassau	43 min
Jul 29, 4:06 PM EDT	Severe Thunderstorm Warning	JAX	Duval, Nassau	24 min
Jul 29, 4:29 PM EDT	Special Weather Statement	JAX	Duval	46 min
Jul 29, 4:32 PM EDT	Special Weather Statement	JAX	Putnam	43 min
Jul 29, 4:48 PM EDT	Special Weather Statement	JAX	Union	42 min
Jul 29, 5:00 PM EDT	Special Weather Statement	JAX	Clay	45 min
Jul 29, 5:10 PM EDT	Areal Flood Advisory	JAX	Putnam	65 min
Jul 29, 5:21 PM EDT	Special Weather Statement	JAX	Putnam	24 min
Jul 29, 5:33 PM EDT	Special Weather Statement	JAX	Union	42 min
Jul 29, 5:48 PM EDT	Special Weather Statement	JAX	Clay	27 min
Jul 29, 5:57 PM EDT	Areal Flood Advisory	JAX	Clay	63 min
Jul 29, 6:10 PM EDT	Areal Flood Advisory	JAX	Baker, Bradford, Clay, Duval, Union	65 min
Jul 29, 6:50 PM EDT	Areal Flood Advisory	JAX	Clay, Duval, Saint Johns	55 min
Jul 28, 8:23 PM EDT	Areal Flood Advisory	JAX	Bacon, Pierce, Ware	97 min
Jul 28, 9:03 PM EDT	Areal Flood Advisory	JAX	Pierce, Wayne	87 min
Jul 28, 10:06 PM EDT	Areal Flood Advisory	JAX	Wayne	84 min
Jul 29, 1:16 PM EDT	Special Weather Statement	JAX	Glynn	44 min
Jul 29, 1:50 PM EDT	Special Weather Statement	JAX	Camden	40 min
Jul 29, 1:52 PM EDT	Special Weather Statement	JAX	Wayne	38 min
Jul 29, 2:56 PM EDT	Special Weather Statement	JAX	Camden	19 min
Jul 29, 3:39 PM EDT	Areal Flood Advisory	JAX	Ware	96 min
Jul 29, 3:44 PM EDT	Areal Flood Advisory	JAX	Appling, Bacon, Coffee	91 min
Jul 29, 4:29 PM EDT	Areal Flood Advisory	JAX	Appling, Bacon, Jeff Davis	61 min
Jul 29, 5:23 PM EDT	Areal Flood Advisory	JAX	Clinch	67 min
Jul 29, 6:40 PM EDT	Special Weather Statement	JAX	Echols	50 min

Nearby

Special Weather Statements in Georgia, 2018 Every special weather statement in 2018

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.