Alert archive / Georgia / Special Weather Statements in 2018

Special Weather Statement, NWS Tallahassee, FL

August 2, 2018Madison County, Florida; Cook County, Lowndes County, Georgia

NWS Tallahassee, FL issued this special weather statement at Aug 2, 2018, 12:21 PM EDT for Madison County, Florida; Cook County, Lowndes County, Georgia. It was in force for 39 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
Aug 2, 2018, 12:21 PM EDT (16:21 UTC)
Expired
Aug 2, 2018, 1:00 PM EDT
In force
39 min
Issued by
NWS Tallahassee, FL

Counties Madison County, FL, Cook County, GA, Lowndes County, GA

The radar

The Moody AFB radar (KVAX), 47 km from the middle of the area, began a volume at 16:22 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, 4.4 hours before the alert went out and 157 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 2018-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1317 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 2018-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 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
1317 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
781 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

As transmitted.

403 
WWUS82 KTAE 021621
SPSTAE

Special Weather Statement
National Weather Service Tallahassee FL
1221 PM EDT THU AUG 2 2018
 
FLZ019-028-029-GAZ147-148-159-160-021700-
Inland Taylor FL-Madison FL-Lafayette FL-Berrien GA-Brooks GA-
Lowndes GA-Cook GA-
1221 PM EDT THU AUG 2 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN LAFAYETTE...
NORTHEASTERN TAYLOR...EASTERN MADISON...SOUTHERN COOK...SOUTH CENTRAL
BERRIEN...LOWNDES AND CENTRAL BROOKS COUNTIES UNTIL 100 PM EDT...

At 1221 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near I-75 At Exit 16 to 11 miles east of Perry.
Movement was north at 35 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Madison, Nashville, Adel, Valdosta, Lake Park, Hahira, Sparks, I-75
At Exit 16, Remerton, Dasher, Morven, Lee, Cecil, New Lois, Massee,
Greggs, Pinetta, Nankin, Clyattville and Hanson.

LAT...LON 3005 8347 3110 8356 3127 8324 3063 8321
      3063 8329 3059 8326 3035 8320
TIME...MOT...LOC 1621Z 193DEG 29KT 3081 8340 3012 8339 

$$

15-HARRIGAN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 12:39 AM EDTSpecial Weather StatementTAEJefferson51 min
Aug 2, 12:48 AM EDTSpecial Marine WarningTAE42 min
Aug 2, 1:20 AM EDTSpecial Marine WarningTAE40 min
Aug 2, 1:23 AM EDTSpecial Marine WarningTAE67 min
Aug 2, 2:28 AM EDTSpecial Marine WarningTAE36 min
Aug 2, 3:14 AM EDTSpecial Marine WarningTAE46 min
Aug 2, 3:41 AM EDTSpecial Weather StatementTAEBay34 min
Aug 2, 3:52 AM EDTSpecial Marine WarningTAE38 min
Aug 2, 4:10 AM EDTSpecial Weather StatementTAEGulf50 min
Aug 2, 4:19 AM EDTRip Current StatementTAEBay, Franklin, Gulf, Walton49 hr
Aug 2, 4:25 AM EDTSpecial Weather StatementTAEBay50 min
Aug 2, 4:28 AM EDTSpecial Marine WarningTAE32 min
Aug 2, 5:09 AM EDTSpecial Weather StatementTAEBay51 min
Aug 2, 5:37 AM EDTSpecial Weather StatementTAEWakulla38 min
Aug 2, 5:39 AM EDTTornado WarningTAEBay, Washington24 min
Aug 2, 6:10 AM EDTSpecial Marine WarningTAE65 min
Aug 2, 9:45 AM EDTSpecial Marine WarningTAE60 min
Aug 2, 9:49 AM EDTSpecial Weather StatementTAEFranklin41 min
Aug 2, 11:02 AM EDTRiver Flood WarningTAEWakulla31 hr
Aug 2, 11:17 AM EDTSpecial Marine WarningTAE74 min
Aug 2, 11:41 AM EDTSpecial Marine WarningTAE64 min
Aug 2, 11:42 AM EDTSpecial Weather StatementTAETaylor48 min
Aug 2, 12:40 PM EDTSpecial Marine WarningTAE95 min
Aug 2, 12:43 PM EDTSpecial Weather StatementTAEWakulla47 min
Aug 2, 1:39 PM EDTRiver Flood WarningTAEWakulla7 days
Aug 2, 1:02 PM EDTSpecial Weather StatementTAECook, Tift43 min
Aug 2, 1:26 PM EDTSpecial Weather StatementTAEBerrien, Lanier19 min
Aug 2, 1:44 PM EDTSpecial Weather StatementTAEBen Hill, Berrien, Irwin31 min

Nearby

Special Weather Statements in Georgia, 2018Special Weather Statements in Florida, 2018Every 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.