Alert archive / Florida / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 119, NWS Tallahassee, FL

May 4, 2019Jackson County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at May 4, 2019, 6:24 PM CDT for Jackson County, Florida. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 4, 2019, 6:24 PM CDT (23:24 UTC)
Expired: May 4, 2019, 7:15 PM CDT
In force: 51 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Jackson County, FL

The radar

The Eglin Afb radar (KEVX), 72 km from the middle of the area, began a volume at 23:28 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 12:00Z, 11.4 hours before the alert went out and 294 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: 872 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 968 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at May 4, 6:19 PM CDT, 5 minutes earlier.

Area forecast discussion, May 4, 6:19 PM CDT, 5 minutes before

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In the hours before

Special weather statement, May 4, 5:19 PM CDT, 1 hour 5 minutes before

Special Weather Statement
National Weather Service Tallahassee FL
619 PM EDT SAT MAY 4 2019

FLZ017-027-042300-
Inland Wakulla FL-Leon FL-
619 PM EDT SAT MAY 4 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL WAKULLA AND
SOUTHEASTERN LEON COUNTIES IN THE FLORIDA BIG BEND UNTIL 700 PM
EDT...

At 618 PM EDT, Doppler radar was tracking a strong thunderstorm 7
miles north of Crawfordville, moving northeast at 15 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Tallahassee, Woodville, Florida A And M, Tallahassee Comm College,
Florida State University, Doak Campbell Stadium, Lake Bradford, Leon
Sinks, Gaither Community Center, Lake Munson, Tallahassee Memorial
Hosp, Eight Mile Pond, Lake Ella, Tallahassee Mall, Bethel,
Tallahassee Regional A/P, State Capital Complex, Governors Square
Mall, Springsax Park and Belair.

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 3024 8429 3027 8449 3052 8436 3040 8410
TIME...MOT...LOC 2218Z 214DEG 15KT 3030 8438

38-GODSEY

Special weather statement, May 4, 5:41 PM CDT, 43 minutes before

Special Weather Statement
National Weather Service Tallahassee FL
541 PM CDT SAT MAY 4 2019

ALZ065-066-068-069-042330-
Dale AL-Coffee AL-Houston AL-Geneva AL-
541 PM CDT SAT MAY 4 2019

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN DALE...SOUTHEASTERN
COFFEE...NORTHEASTERN GENEVA AND NORTHWESTERN HOUSTON COUNTIES
IN SOUTHEAST ALABAMA UNTIL 630 PM CDT...

At 540 PM CDT, Doppler radar was tracking a strong thunderstorm 7
miles south of Enterprise, moving east at 45 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Daleville, Dothan, Enterprise, Fort Rucker, Hartford, Taylor, Midland
City, Level Plains, Slocomb, Newton, Pinckard, Malvern, Rehobeth,
Clayhatchee, Grimes, Napier Field, Coffee Springs, Waterford, Gerald
and Central City.

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 3142 8542 3135 8542 3107 8544 3107 8591
      3129 8595
TIME...MOT...LOC 2240Z 253DEG 37KT 3122 8586

38-GODSEY

Special weather statement, May 4, 5:45 PM CDT, 39 minutes before

Special Weather Statement
National Weather Service Tallahassee FL
545 PM CDT SAT MAY 4 2019

ALZ068-069-FLZ009>011-042330-
Houston AL-Geneva AL-Holmes FL-Jackson FL-Washington FL-
545 PM CDT SAT MAY 4 2019

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN GENEVA...SOUTH
CENTRAL HOUSTON COUNTIES IN SOUTHEAST ALABAMA...NORTHWESTERN
JACKSON...HOLMES AND NORTHEASTERN WASHINGTON COUNTIES IN
THE PANHANDLE OF FLORIDA UNTIL 630 PM CDT...

At 544 PM CDT, Doppler radar was tracking a strong thunderstorm 10
miles west of Bonifay, moving northeast at 45 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Chipley, Graceville, Bonifay, Taylor, Slocomb, Malvern, Cottondale,
Caryville, Esto, Madrid, Westville, Campbellton, Noma, Black, Richter
Crossroads, Whitehead Crossroads, Cerrogordo, Garretts Crossroads,
Tendil Crossing and Southern Junction.

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 3116 8549 3091 8518 3063 8574 3087 8598
TIME...MOT...LOC 2244Z 241DEG 40KT 3079 8585

38-GODSEY

Special weather statement, May 4, 6:10 PM CDT, 14 minutes before

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Special weather statement, May 4, 6:13 PM CDT, 11 minutes before

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Local storm report, May 4, 6:22 PM CDT, 2 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
May 4, 1:33 PM CDT	Special Weather Statement	TAE	Leon	42 min
May 4, 2:08 PM CDT	Special Weather Statement	TAE	Liberty	52 min
May 4, 2:45 PM CDT	Special Weather Statement	TAE	Liberty	30 min
May 4, 3:44 PM CDT	Special Weather Statement	TAE	Gadsden	31 min
May 4, 3:51 PM CDT	Special Marine Warning	TAE		114 min
May 4, 3:54 PM CDT	Special Weather Statement	TAE	Gadsden	36 min
May 4, 4:47 PM CDT	Special Weather Statement	TAE	Walton	43 min
May 4, 5:16 PM CDT	Special Weather Statement	TAE	Washington	44 min
May 4, 5:19 PM CDT	Special Weather Statement	TAE	Leon	41 min
May 4, 5:23 PM CDT	Special Marine Warning	TAE		2 hr
May 4, 5:45 PM CDT	Special Weather Statement	TAE	Holmes	45 min
May 4, 5:51 PM CDT	Severe Thunderstorm Warning	TAE	Holmes, Washington	39 min
May 4, 6:13 PM CDT	Special Weather Statement	TAE	Jackson	47 min
May 4, 6:30 PM CDT	Special Weather Statement	TAE	Calhoun, Gulf	45 min
May 4, 6:53 PM CDT	Special Marine Warning	TAE		2 hr
May 4, 1:45 PM CDT	Special Weather Statement	TAE	Thomas	45 min
May 4, 2:26 PM CDT	Special Weather Statement	TAE	Brooks	34 min
May 4, 6:47 PM CDT	Special Weather Statement	TAE	Early	43 min
May 4, 3:38 PM CDT	Special Weather Statement	TAE	Coffee	37 min
May 4, 4:07 PM CDT	Special Weather Statement	TAE	Geneva	23 min
May 4, 4:19 PM CDT	Special Weather Statement	TAE	Coffee	41 min
May 4, 4:59 PM CDT	Special Weather Statement	TAE	Geneva	46 min
May 4, 5:07 PM CDT	Severe Thunderstorm Warning	TAE	Coffee, Geneva	38 min
May 4, 5:12 PM CDT	Special Weather Statement	TAE	Henry	48 min
May 4, 5:41 PM CDT	Special Weather Statement	TAE	Geneva	49 min
May 4, 6:10 PM CDT	Special Weather Statement	TAE	Henry, Houston	50 min

Nearby

Severe Thunderstorm Warnings in Florida, 2019 Every severe thunderstorm warning in 2019

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.