Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Tallahassee, FL

August 20, 2021Irwin County, Turner County, Georgia

NWS Tallahassee, FL issued this special weather statement at Aug 20, 2021, 8:25 PM EDT for Irwin County, Turner County, Georgia. It was in force for 50 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 20, 2021, 8:25 PM EDT (00:25 UTC)
Expired: Aug 20, 2021, 9:15 PM EDT
In force: 50 min
Issued by: NWS Tallahassee, FL
Hail: 0.00 in
Wind: 50

Counties Irwin County, GA, Turner County, GA

The radar

The Robins AFB radar (KJGX), 99 km from the middle of the area, began a volume at 00:28 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.4 hours before the alert went out and 206 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: 928 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 913 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 29 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted.

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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 Tallahassee, FL wrote its last area forecast discussion before this special weather statement went out at Aug 20, 7:45 PM EDT, 40 minutes earlier.

Area forecast discussion, Aug 20, 7:45 PM EDT, 40 minutes before

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In the hours before

Special weather statement, Aug 20, 4:38 PM EDT, 3 hours 47 minutes before

Special Weather Statement
National Weather Service Tallahassee FL
338 PM CDT Fri Aug 20 2021

ALZ068-069-FLZ007>013-202145-
Geneva AL-Houston AL-Central Walton FL-Holmes FL-Inland Bay FL-
Calhoun FL-Jackson FL-North Walton FL-Washington FL-
338 PM CDT Fri Aug 20 2021

...Strong thunderstorms will impact portions of southeastern Geneva
and south central Houston Counties in southeastern Alabama, western
Jackson, northern Bay, northwestern Calhoun, central Walton, Holmes
and Washington Counties in the Panhandle of Florida through 445 PM
CDT...

At 338 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 12 miles northeast of De Funiak Springs to 10
miles southwest of Vernon. Movement was east at 25 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Vernon, De Funiak Springs, Bonifay, Chipley, Graceville, Eglin Air
Force Base, Bradford, Union, Liberty, Live Oak, Cottondale, Ponce De
Leon, Alford, Caryville, Wausau, Esto, Westville, Ebro, Campbellton
and Noma.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

&&

LAT...LON 3108 8546 3041 8519 3040 8602 3042 8604
      3086 8627
TIME...MOT...LOC 2038Z 257DEG 20KT 3085 8596 3050 8582

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

Special weather statement, Aug 20, 5:37 PM EDT, 2 hours 48 minutes before

Special Weather Statement
National Weather Service Tallahassee FL
537 PM EDT Fri Aug 20 2021

FLZ011-013-026-027-202215-
Liberty FL-Calhoun FL-Jackson FL-Inland Wakulla FL-
537 PM EDT Fri Aug 20 2021

...Strong thunderstorms will impact portions of southeastern Jackson,
Calhoun Counties in the Panhandle of Florida and central Liberty
Counties in Big Bend of Florida through 615 PM EDT/515 PM CDT/...

At 537 PM EDT/437 PM CDT/, Doppler radar was tracking strong
thunderstorms along a line extending from 18 miles south of Marianna
to 8 miles southwest of Blountstown. Movement was east at 15 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Blountstown, Orange, Bristol, Altha, Rock Bluff, Moose Pond,
Clarksville, Ocheesee, Selman, Abe Springs, Hosford, Jensen Place,
Union City, Chipola, Henderson Mill, Camps Head, Red Hill, Clio,
Scotts Ferry and Kennys Mill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

&&

LAT...LON 3056 8538 3069 8501 3031 8471 3030 8471
      3023 8465 3022 8516 3051 8539
TIME...MOT...LOC 2137Z 268DEG 11KT 3051 8529 3033 8513

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

Local storm report, Aug 20, 6:18 PM EDT, 2 hours 7 minutes before

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Special weather statement, Aug 20, 7:13 PM EDT, 1 hour 12 minutes before

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Special weather statement, Aug 20, 7:19 PM EDT, 1 hour 6 minutes before

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Special weather statement, Aug 20, 8:25 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 21, 4:07 PM EDT	Special Weather Statement	TAE	Jackson	38 min
Aug 21, 4:51 PM EDT	Special Weather Statement	TAE	Wakulla	24 min
Aug 21, 4:52 PM EDT	Special Marine Warning	TAE		38 min
Aug 21, 5:13 PM EDT	Special Weather Statement	TAE	Holmes	62 min
Aug 21, 5:20 PM EDT	Special Weather Statement	TAE	Leon	40 min
Aug 21, 5:35 PM EDT	Special Weather Statement	TAE	Jefferson	40 min
Aug 21, 6:16 PM EDT	Special Weather Statement	TAE	Madison	44 min
Aug 21, 4:25 PM EDT	Special Weather Statement	TAE	Dale, Geneva, Henry	50 min
Aug 21, 6:14 PM EDT	Special Weather Statement	TAE	Coffee	61 min
Aug 21, 7:16 PM EDT	Special Weather Statement	TAE	Coffee	29 min
Aug 21, 7:42 PM EDT	Special Weather Statement	TAE	Coffee	48 min

Nearby

Special Weather Statements in Georgia, 2021 Every special weather statement in 2021

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.