Alert archive / Georgia / Special Weather Statements in 2018

Special Weather Statement, NWS Tallahassee, FL

February 7, 2018Decatur County, Grady County, Georgia

NWS Tallahassee, FL issued this special weather statement at Feb 7, 2018, 2:25 PM EST for Decatur County, Grady County, Georgia. It was in force for 65 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
Feb 7, 2018, 2:25 PM EST (19:25 UTC)
Expired
Feb 7, 2018, 3:30 PM EST
In force
65 min
Issued by
NWS Tallahassee, FL

Counties Decatur County, GA, Grady County, GA

The radar

The Tallahassee radar (KTLH), 68 km from the middle of the area, began a volume at 19:24 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, 7.4 hours before the alert went out and 69 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 2018-02-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2018-02-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 266 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
718 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
266 m²/s²
0-3 km storm-relative helicity
361 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

000 
WWUS82 KTAE 071925
SPSTAE

Special Weather Statement
National Weather Service Tallahassee FL
225 PM EST WED FEB 7 2018
 
GAZ143-145-155>157-072030-
Miller GA-Decatur GA-Mitchell GA-Seminole GA-Grady GA-
225 PM EST WED FEB 7 2018

...SIGNIFICANT WEATHER ADVISORY FOR DECATUR...WESTERN GRADY...
SOUTHEASTERN MILLER...SOUTHWESTERN MITCHELL AND SOUTHEASTERN SEMINOLE
COUNTIES UNTIL 330 PM EST...

At 225 PM EST, National Weather Service doppler radar indicated a
strong thunderstorm near West Bainbridge, or near Bainbridge, moving
east at 40 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Bainbridge, Cairo, Whigham, West Bainbridge, Attapulgus, Climax,
Hanover, Ausmac, Reynoldsville, Capel, Recovery, Decatur Co A/P,
Harrells Still, Laingkat, Calvary, Jinks, Princes Still, Peoples
Still, Amsterdam and Nickleville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3110 8454 3108 8454 3108 8451 3110 8450
      3108 8412 3069 8430 3071 8483 3083 8482
      3110 8463
TIME...MOT...LOC 1925Z 287DEG 36KT 3100 8458 

$$

ADL

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 7, 12:06 PM ESTSevere Thunderstorm WarningTAEHolmes39 min
Feb 7, 1:09 PM ESTSevere Thunderstorm WarningTAEJackson51 min
Feb 7, 1:39 PM ESTSpecial Weather StatementTAEWalton, Washington51 min
Feb 7, 2:23 PM ESTSpecial Weather StatementTAEJackson, Washington67 min
Feb 7, 2:30 PM ESTSpecial Marine WarningTAE45 min
Feb 7, 2:34 PM ESTSevere Thunderstorm WarningTAEBay, Calhoun, Jackson, Liberty, Washington41 min
Feb 7, 12:44 PM ESTSpecial Weather StatementTAECalhoun, Early61 min
Feb 7, 1:38 PM ESTSpecial Weather StatementTAEMiller52 min
Feb 7, 1:41 PM ESTSpecial Weather StatementTAEDougherty, Worth49 min
Feb 7, 1:50 PM ESTSevere Thunderstorm WarningTAEBaker, Dougherty, Lee, Mitchell, Worth40 min
Feb 7, 1:54 PM ESTSpecial Weather StatementTAESeminole51 min
Feb 7, 2:03 PM ESTSpecial Weather StatementTAEBaker, Mitchell42 min
Feb 7, 2:48 PM ESTSpecial Weather StatementTAEColquitt, Cook, Tift57 min
Feb 7, 11:21 AM ESTTornado WarningTAECoffee24 min
Feb 7, 11:56 AM ESTSevere Thunderstorm WarningTAEDale, Henry, Houston20 min
Feb 7, 12:48 PM ESTSpecial Weather StatementTAEHouston57 min

Nearby

Special Weather Statements in Georgia, 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.