Alert archive / Georgia / Special Weather Statements in 2013

Special Weather Statement, NWS Jacksonville, FL

June 30, 2013Appling County, Georgia

NWS Jacksonville, FL issued this special weather statement at Jun 30, 2013, 4:02 PM EDT for Appling County, Georgia. It was in force for 58 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
Jun 30, 2013, 4:02 PM EDT (20:02 UTC)
Expired
Jun 30, 2013, 5:00 PM EDT
In force
58 min
Issued by
NWS Jacksonville, FL

County Appling County, GA

The radar

The Moody AFB radar (KVAX), 134 km from the middle of the area, began a volume at 20:06 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, 8.0 hours before the alert went out and 233 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, Charleston AFB, SC at 12:00Z on 2013-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1458 joules per kilogram.LCLEL10008507005003002001001 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, Charleston AFB, SC at 12:00Z on 2013-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 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
1458 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
527 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
-22 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-1.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jacksonville, FL wrote its last area forecast discussion before this special weather statement went out at Jun 30, 3:00 PM EDT, 1 hour 2 minutes earlier.

Area forecast discussion, Jun 30, 3:00 PM EDT, 1 hour 2 minutes before
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Hazardous weather outlook, Jun 30, 3:15 PM EDT, 47 minutes before
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In the hours before

Local storm report, Jun 30, 2:37 PM EDT, 1 hour 25 minutes before
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Special weather statement, Jun 30, 2:52 PM EDT, 1 hour 10 minutes before
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Local storm report, Jun 30, 2:52 PM EDT, 1 hour 10 minutes before
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Special weather statement, Jun 30, 3:28 PM EDT, 34 minutes before
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Special weather statement, Jun 30, 3:42 PM EDT, 20 minutes before
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Special weather statement, Jun 30, 4:02 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 10:27 AM EDTSpecial Weather StatementJAXColumbia48 min
Jun 30, 11:23 AM EDTSpecial Weather StatementJAXMarion52 min
Jun 30, 12:03 PM EDTSpecial Weather StatementJAXAlachua, Baker, Bradford, Columbia, Union42 min
Jun 30, 12:08 PM EDTSpecial Weather StatementJAXMarion, Putnam52 min
Jun 30, 12:22 PM EDTSevere Thunderstorm WarningJAXAlachua, Baker, Bradford, Clay, Columbia, Duval and 1 more53 min
Jun 30, 12:49 PM EDTSpecial Weather StatementJAXClay, Duval41 min
Jun 30, 12:57 PM EDTSpecial Weather StatementJAXFlagler, Putnam63 min
Jun 30, 12:59 PM EDTSpecial Marine WarningJAX2 hr
Jun 30, 1:01 PM EDTSpecial Weather StatementJAXHamilton44 min
Jun 30, 1:13 PM EDTSpecial Weather StatementJAXSaint Johns47 min
Jun 30, 1:25 PM EDTSpecial Weather StatementJAXDuval, Nassau35 min
Jun 30, 1:59 PM EDTSpecial Weather StatementJAXDuval31 min
Jun 30, 2:59 PM EDTSpecial Marine WarningJAX61 min
Jun 30, 3:57 PM EDTSpecial Marine WarningJAX48 min
Jun 30, 7:26 PM EDTSpecial Weather StatementJAXUnion49 min
Jun 30, 1:07 PM EDTSpecial Weather StatementJAXCamden38 min
Jun 30, 1:45 PM EDTSpecial Weather StatementJAXCamden30 min
Jun 30, 2:04 PM EDTSpecial Weather StatementJAXJeff Davis41 min
Jun 30, 2:52 PM EDTSpecial Weather StatementJAXCoffee, Jeff Davis38 min
Jun 30, 3:28 PM EDTSpecial Weather StatementJAXJeff Davis47 min
Jun 30, 3:42 PM EDTSpecial Weather StatementJAXBacon48 min
Jun 30, 5:53 PM EDTSpecial Weather StatementJAXWayne52 min

Nearby

Special Weather Statements in Georgia, 2013Every special weather statement in 2013

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.