Alert archive / Alabama / Special Weather Statements in 2018

Special Weather Statement, NWS Tallahassee, FL

August 8, 2018Henry County, Alabama

NWS Tallahassee, FL issued this special weather statement at Aug 8, 2018, 7:21 PM CDT for Henry County, Alabama. 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 8, 2018, 7:21 PM CDT (00:21 UTC)
Expired: Aug 8, 2018, 8:00 PM CDT
In force: 39 min
Issued by: NWS Tallahassee, FL

County Henry County, AL

The radar

The Ft Rucker radar (KEOX), 37 km from the middle of the area, began a volume at 00:23 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 00:00Z, 0.4 hours before the alert went out and 169 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1574 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 1065 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 26 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted.

966 
WWUS82 KTAE 090021
SPSTAE

Special Weather Statement
National Weather Service Tallahassee FL
821 PM EDT WED AUG 8 2018
 
ALZ066-067-GAZ120>122-090100-
Dale AL-Henry AL-Quitman GA-Randolph GA-Clay GA-
821 PM EDT WED AUG 8 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN DALE...CENTRAL
HENRY...NORTHWESTERN CLAY...WEST CENTRAL RANDOLPH AND SOUTHERN
QUITMAN COUNTIES UNTIL 900 PM EDT/800 PM CDT/...

At 821 PM EDT/721 PM CDT/, Doppler radar was tracking a strong
thunderstorm near Abbeville, moving north at 15 mph.

Dime size hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Abbeville, Fort Gaines, Georgetown, Newville, Bells Crossroads,
Walter F. George Lock And Dam, Wire Bridge, Walter F George Lake,
Bonapartes Retreat, Edwin, Standleys Store, Watson Crossroads,
Scottsboro Crossroads, Double Bridges, Crossroads, Ricks Place,
Snells Crossroads, Graball, Dancey and Thomas Mill Creek.

LAT...LON 3180 8486 3139 8532 3150 8546 3162 8544
      3162 8542 3171 8542 3170 8522 3174 8520
      3177 8516 3177 8512 3178 8514 3186 8514
      3189 8511
TIME...MOT...LOC 0021Z 184DEG 13KT 3165 8522 

$$

04-MCD

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 1:37 PM CDT	Special Weather Statement	TAE	Washington	38 min
Aug 9, 4:31 PM CDT	Special Weather Statement	TAE	Quitman	29 min
Aug 8, 7:04 PM CDT	Severe Thunderstorm Warning	TAE	Dale, Henry	26 min
Aug 9, 1:19 PM CDT	Special Weather Statement	TAE	Coffee	41 min

Nearby

Special Weather Statements in Alabama, 2018 Every 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.