Alert archive / Georgia / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 62, NWS Jacksonville, FL

May 5, 20094 counties in Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at May 5, 2009, 6:08 PM EDT for 4 counties in Georgia. It was in force for 52 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
May 5, 2009, 6:08 PM EDT (22:08 UTC)
Expired
May 5, 2009, 7:00 PM EDT
In force
52 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon

Counties Brantley County, GA, Glynn County, GA, Pierce County, GA, Wayne County, GA

The radar

The Jacksonville radar (KJAX), 96 km from the middle of the area, began a volume at 22:11 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, 10.1 hours before the alert went out and 94 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, Jacksonville, FL at 12:00Z on 2009-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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, Jacksonville, FL at 12:00Z on 2009-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.193958Sfc1 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
2 J/kg
Mixed-layer CIN
-262 J/kg
Mixed-layer LCL
1549 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
72 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
May 5, 3:36 PM EDTSpecial Weather StatementJAXCoffee39 min
May 5, 3:42 PM EDTSevere Thunderstorm WarningJAXBacon, Coffee, Jeff Davis63 min
May 5, 4:22 PM EDTSpecial Weather StatementJAXWayne23 min
May 5, 4:26 PM EDTSpecial Weather StatementJAXAppling, Jeff Davis49 min
May 5, 4:49 PM EDTSpecial Weather StatementJAXWayne26 min
May 5, 5:07 PM EDTSpecial Weather StatementJAXAtkinson, Coffee38 min
May 5, 5:12 PM EDTSpecial Weather StatementJAXJeff Davis48 min
May 5, 5:36 PM EDTSpecial Weather StatementJAXCoffee39 min
May 5, 5:41 PM EDTSpecial Weather StatementJAXWayne49 min
May 5, 6:15 PM EDTSpecial Weather StatementJAXAppling45 min
May 5, 6:26 PM EDTAreal Flood AdvisoryJAXWayne64 min
May 5, 6:56 PM EDTSpecial Weather StatementJAXGlynn49 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2009Every severe thunderstorm warning in 2009

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.