Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 225, NWS Tallahassee, FL

August 27, 2021Jefferson County, Madison County, Taylor County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 27, 2021, 6:16 PM EDT for Jefferson County, Madison County, Taylor County, Florida. It was in force for 44 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 27, 2021, 6:16 PM EDT (22:16 UTC)
Expired
Aug 27, 2021, 7:00 PM EDT
In force
44 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Jefferson County, FL, Madison County, FL, Taylor County, FL

The radar

The Tallahassee radar (KTLH), 40 km from the middle of the area, began a volume at 22:18 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, 10.3 hours before the alert went out and 37 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 2021-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 291 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, Tallahassee Rgnl, FL at 12:00Z on 2021-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
291 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
977 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

431 
WUUS52 KTAE 272216
SVRTAE
FLC065-079-123-272300-
/O.NEW.KTAE.SV.W.0225.210827T2216Z-210827T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
616 PM EDT Fri Aug 27 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Western Jefferson County in Big Bend of Florida...
  Northwestern Taylor County in Big Bend of Florida...
  Southwestern Madison County in Big Bend of Florida...

* Until 700 PM EDT.

* At 616 PM EDT, a severe thunderstorm was located 16 miles northwest
  of Perry, moving west at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Cody, Goose Pasture, Hells Half Acre, Iddo, Ebb, Lamont, Capps,
  Lois, Eridu, Nash, Cabbage Grove, Thomas City, Drifton, Econfina,
  Lake Bird, Fanlew, Waukeenah, Wacissa, Lloyd and Wacissa Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3012 8366 3014 8408 3036 8408 3044 8407
      3046 8404 3052 8403 3052 8398 3056 8398
      3036 8358
TIME...MOT...LOC 2216Z 104DEG 25KT 3030 8373 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

01-GONZALEZ

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 8:51 PM EDTSpecial Marine WarningTAE114 min
Aug 27, 4:08 AM EDTSpecial Marine WarningTAE67 min
Aug 27, 4:26 AM EDTRip Current StatementTAEBay, Franklin, Gulf, Walton7 days
Aug 27, 6:42 AM EDTSpecial Marine WarningTAE63 min
Aug 27, 7:44 AM EDTSpecial Marine WarningTAE46 min
Aug 27, 2:30 PM EDTSpecial Weather StatementTAEJefferson45 min
Aug 27, 2:39 PM EDTHigh Surf AdvisoryTAEBay, Franklin, Gulf, Walton5 days
Aug 27, 2:54 PM EDTSmall Craft AdvisoryTAE5 days
Aug 27, 2:54 PM EDTTropical Storm WatchTAE32 hr
Aug 27, 3:11 PM EDTSpecial Weather StatementTAEJefferson, Taylor49 min
Aug 27, 3:38 PM EDTSpecial Marine WarningTAE2 hr
Aug 27, 4:23 PM EDTSpecial Weather StatementTAEDixie, Lafayette52 min
Aug 27, 4:40 PM EDTSpecial Weather StatementTAEGadsden65 min
Aug 27, 4:50 PM EDTSpecial Marine WarningTAE115 min
Aug 27, 5:27 PM EDTSpecial Weather StatementTAELafayette, Madison48 min
Aug 27, 5:50 PM EDTSpecial Marine WarningTAE55 min
Aug 27, 6:09 PM EDTSpecial Weather StatementTAEJefferson, Madison, Taylor66 min
Aug 27, 6:41 PM EDTSevere Thunderstorm WarningTAEJefferson, Leon, Wakulla34 min
Aug 27, 6:45 PM EDTSpecial Marine WarningTAE90 min
Aug 27, 7:09 PM EDTSpecial Weather StatementTAELeon51 min
Aug 27, 7:38 PM EDTSpecial Weather StatementTAEGadsden52 min
Aug 27, 7:51 PM EDTSevere Thunderstorm WarningTAEJackson39 min

Nearby

Severe Thunderstorm Warnings in Florida, 2021Every severe thunderstorm warning 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.