Alert archive / Georgia / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 234, NWS Jacksonville, FL

July 19, 2015Atkinson County, Coffee County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Jul 19, 2015, 7:24 PM EDT for Atkinson County, Coffee County, Georgia. 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 counties it named.

The facts

Issued
Jul 19, 2015, 7:24 PM EDT (23:24 UTC)
Expired
Jul 19, 2015, 8:00 PM EDT
In force
36 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon

Counties Atkinson County, GA, Coffee County, GA

The radar

The Moody AFB radar (KVAX), 61 km from the middle of the area, began a volume at 23:25 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, 11.4 hours before the alert went out and 178 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-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 12:00Z on 2015-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 808 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2015-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
808 J/kg
Mixed-layer CIN
-91 J/kg
Mixed-layer LCL
1252 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 8:07 PM EDTSpecial Weather StatementJAXColumbia, Union38 min
Jul 18, 8:29 PM EDTSpecial Weather StatementJAXHamilton31 min
Jul 18, 8:38 PM EDTSpecial Weather StatementJAXBradford, Union37 min
Jul 18, 8:58 PM EDTSpecial Weather StatementJAXHamilton, Suwannee32 min
Jul 18, 9:11 PM EDTSpecial Weather StatementJAXBradford, Union34 min
Jul 18, 9:25 PM EDTSpecial Weather StatementJAXHamilton35 min
Jul 18, 9:58 PM EDTSpecial Weather StatementJAXHamilton32 min
Jul 19, 5:05 PM EDTSpecial Weather StatementJAXNassau40 min
Jul 19, 5:11 PM EDTSpecial Weather StatementJAXBaker49 min
Jul 19, 5:15 PM EDTSpecial Weather StatementJAXSuwannee45 min
Jul 19, 5:35 PM EDTSpecial Weather StatementJAXGilchrist40 min
Jul 19, 5:42 PM EDTSpecial Weather StatementJAXBaker33 min
Jul 19, 5:43 PM EDTSpecial Weather StatementJAXSuwannee32 min
Jul 19, 5:46 PM EDTSpecial Weather StatementJAXNassau29 min
Jul 19, 5:57 PM EDTSpecial Weather StatementJAXNassau33 min
Jul 19, 6:04 PM EDTSpecial Marine WarningJAX56 min
Jul 19, 6:09 PM EDTSpecial Weather StatementJAXColumbia36 min
Jul 19, 6:14 PM EDTSpecial Weather StatementJAXNassau31 min
Jul 19, 6:25 PM EDTSpecial Weather StatementJAXColumbia35 min
Jul 19, 6:40 PM EDTSpecial Weather StatementJAXUnion35 min
Jul 19, 6:58 PM EDTSpecial Weather StatementJAXClay32 min
Jul 19, 7:00 PM EDTSpecial Weather StatementJAXColumbia30 min
Jul 19, 7:18 PM EDTSpecial Weather StatementJAXBradford, Clay27 min
Jul 19, 7:31 PM EDTSpecial Weather StatementJAXClay44 min
Jul 19, 7:41 PM EDTSpecial Weather StatementJAXBradford, Clay49 min
Jul 18, 8:26 PM EDTSpecial Weather StatementJAXClinch49 min
Jul 19, 1:15 PM EDTSpecial Weather StatementJAXWayne30 min
Jul 19, 1:23 PM EDTSpecial Weather StatementJAXWare37 min
Jul 19, 4:00 PM EDTSpecial Weather StatementJAXAppling30 min
Jul 19, 4:25 PM EDTSpecial Weather StatementJAXAppling35 min
Jul 19, 5:00 PM EDTSpecial Weather StatementJAXAppling30 min
Jul 19, 5:22 PM EDTSpecial Weather StatementJAXCharlton23 min
Jul 19, 6:38 PM EDTSpecial Weather StatementJAXCoffee37 min
Jul 19, 6:46 PM EDTSpecial Weather StatementJAXAppling29 min
Jul 19, 7:12 PM EDTSpecial Weather StatementJAXBacon, Coffee33 min
Jul 19, 7:29 PM EDTSpecial Weather StatementJAXWare46 min
Jul 19, 7:34 PM EDTSpecial Weather StatementJAXBrantley26 min
Jul 19, 7:53 PM EDTSpecial Weather StatementJAXBrantley37 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2015Every severe thunderstorm warning in 2015

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.