Alert archive / Georgia / Tornado Warnings in 2020

Tornado Warning 71, NWS Tallahassee, FL

September 16, 2020Brooks County, Thomas County, Georgia; Jefferson County, Florida

NWS Tallahassee, FL issued this tornado warning at Sep 16, 2020, 4:15 PM EDT for Brooks County, Thomas County, Georgia; Jefferson County, Florida. It was in force for 30 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
Sep 16, 2020, 4:15 PM EDT (20:15 UTC)
Expired
Sep 16, 2020, 4:45 PM EDT
In force
30 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Jefferson County, FL, Brooks County, GA, Thomas County, GA

The radar

The Tallahassee radar (KTLH), 61 km from the middle of the area, began a volume at 20:14 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 16, 6:55 AM EDTTornado WatchSPC14 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.3 hours before the alert went out and 59 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 2020-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 181 joules per kilogram.LCLLFCEL10008507005003002001001 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 2020-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 286 square meters per square second.193958Sfc1 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
181 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
788 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
286 m²/s²
0-3 km storm-relative helicity
397 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.4

Open this sounding in Storm Lab

The text

As transmitted.

256 
WFUS52 KTAE 162015
TORTAE
FLC065-GAC027-275-162045-
/O.NEW.KTAE.TO.W.0071.200916T2015Z-200916T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
415 PM EDT Wed Sep 16 2020

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  Northeastern Jefferson County in Big Bend of Florida...
  Southeastern Thomas County in south central Georgia...
  Southwestern Brooks County in south central Georgia...

* Until 445 PM EDT.
    
* At 415 PM EDT, a severe thunderstorm capable of producing a tornado
  was located near Monticello, moving north at 55 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Boston around 435 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Pidcock, Dixie, Dills, Grooverville, Aucilla, Everett and Ashville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3055 8365 3055 8367 3054 8367 3054 8370
      3052 8371 3052 8372 3051 8374 3049 8373
      3048 8373 3047 8385 3080 8391 3083 8363
TIME...MOT...LOC 2015Z 176DEG 49KT 3056 8376 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 16, 12:06 PM EDTFlash Flood Warning Considerable damage threatTAEDecatur, Seminole16 hr
Sep 16, 12:25 PM EDTSevere Thunderstorm WarningTAEDecatur, Grady95 min
Sep 16, 2:05 PM EDTSevere Thunderstorm WarningTAEDecatur, Grady, Mitchell, Thomas55 min
Sep 16, 2:29 PM EDTFlash Flood WarningTAEBaker, Calhoun, Clay, Dougherty, Early, Lee and 5 more12 hr
Sep 16, 3:43 PM EDTFlash Flood WarningTAEGrady, Thomas8 hr
Sep 16, 4:06 PM EDTFlash Flood WarningTAEColquitt, Worth11 hr
Sep 16, 4:33 PM EDTTornado WarningTAEColquitt, Cook27 min
Sep 16, 4:47 PM EDTTornado WarningTAEBrooks, Cook, Lowndes28 min
Sep 16, 4:52 PM EDTTornado WarningTAEColquitt53 min
Sep 16, 5:04 PM EDTTornado WarningTAEBrooks, Colquitt, Thomas41 min
Sep 16, 5:17 PM EDTTornado WarningTAEWorth28 min
Sep 16, 5:19 PM EDTFlash Flood WarningTAEBen Hill, Berrien, Cook, Irwin, Tift, Turner10 hr
Sep 15, 8:00 PM EDTSpecial Marine WarningTAE30 min
Sep 15, 8:11 PM EDTSpecial Marine WarningTAE34 min
Sep 15, 8:36 PM EDTSpecial Marine WarningTAE39 min
Sep 15, 8:38 PM EDTSpecial Marine WarningTAE37 min
Sep 15, 9:01 PM EDTTornado WarningTAEBay29 min
Sep 15, 9:04 PM EDTSpecial Marine WarningTAE26 min
Sep 15, 9:10 PM EDTSpecial Marine WarningTAE35 min
Sep 15, 9:48 PM EDTSpecial Marine WarningTAE27 min
Sep 15, 10:05 PM EDTTornado WarningTAEGulf25 min
Sep 15, 10:07 PM EDTSpecial Marine WarningTAE23 min
Sep 15, 10:10 PM EDTTornado WarningTAEFranklin, Gulf16 min
Sep 15, 10:25 PM EDTTornado WarningTAEGulf10 min
Sep 15, 10:30 PM EDTSpecial Marine WarningTAE30 min
Sep 15, 10:33 PM EDTSpecial Marine WarningTAE27 min
Sep 15, 10:47 PM EDTTornado WarningTAEBay27 min
Sep 15, 10:57 PM EDTSpecial Marine WarningTAE33 min
Sep 15, 11:08 PM EDTSpecial Marine WarningTAE37 min
Sep 15, 11:24 PM EDTStorm Surge WarningTAEWalton21 hr
Sep 15, 11:28 PM EDTSpecial Marine WarningTAE32 min
Sep 15, 11:34 PM EDTTornado WarningTAEBay26 min
Sep 15, 11:35 PM EDTFlash Flood WarningTAEGulf24 hr
Sep 15, 11:44 PM EDTTornado WarningTAEBay10 min
Sep 16, 1:00 AM EDTSpecial Marine WarningTAE30 min
Sep 16, 1:28 AM EDTSpecial Marine WarningTAE32 min
Sep 16, 1:47 AM EDTSpecial Marine WarningTAE28 min
Sep 16, 2:07 AM EDTSpecial Marine WarningTAE38 min
Sep 16, 2:23 AM EDTTornado WarningTAEBay16 min
Sep 16, 2:31 AM EDTSpecial Marine WarningTAE29 min
Sep 16, 2:34 AM EDTTornado WarningTAEBay26 min
Sep 16, 2:37 AM EDTSpecial Marine WarningTAE38 min
Sep 16, 2:52 AM EDTTornado WarningTAEBay23 min
Sep 16, 2:57 AM EDTSpecial Marine WarningTAE33 min
Sep 16, 3:09 AM EDTTornado WarningTAEBay16 min
Sep 16, 3:23 AM EDTTornado WarningTAEBay10 min
Sep 16, 4:09 AM EDTSpecial Marine WarningTAE36 min
Sep 16, 4:20 AM EDTSpecial Marine WarningTAE25 min
Sep 16, 4:33 AM EDTTornado WarningTAEBay, Calhoun27 min
Sep 16, 4:44 AM EDTTornado WarningTAEFranklin, Gulf, Liberty31 min
Sep 16, 4:47 AM EDTSpecial Marine WarningTAE43 min
Sep 16, 4:59 AM EDTTornado WarningTAECalhoun, Franklin, Gulf, Liberty31 min
Sep 16, 5:22 AM EDTSpecial Marine WarningTAE53 min
Sep 16, 5:35 AM EDTSpecial Marine WarningTAE25 min
Sep 16, 6:02 AM EDTTornado WarningTAEFranklin, Gulf28 min
Sep 16, 6:28 AM EDTTornado WarningTAEBay, Calhoun, Jackson, Washington13 min
Sep 16, 6:31 AM EDTTornado WarningTAECalhoun, Franklin, Gulf, Liberty29 min
Sep 16, 6:33 AM EDTSpecial Marine WarningTAE42 min
Sep 16, 6:57 AM EDTTornado WarningTAECalhoun, Liberty33 min
Sep 16, 7:29 AM EDTFlash Flood Warning Considerable damage threatTAECalhoun, Jackson16 hr
Sep 16, 8:14 AM EDTTornado WarningTAECalhoun, Liberty46 min
Sep 16, 8:58 AM EDTTornado WarningTAECalhoun, Jackson21 min
Sep 16, 9:28 AM EDTFlash Flood WarningTAELiberty14 hr
Sep 16, 10:16 AM EDTFlash Flood WarningTAEGadsden13 hr
Sep 16, 10:56 AM EDTRiver Flood WarningTAEHolmes, Washington8 days
Sep 16, 11:11 AM EDTFlash Flood Warning EmergencyCatastrophic damage threatTAEWalton, Washington8 hr
Sep 16, 11:15 AM EDTRiver Flood WarningTAEJackson8 days
Sep 16, 11:17 AM EDTRiver Flood WarningTAECalhoun10 days
Sep 16, 2:48 PM EDTCoastal Flood WarningTAEJefferson, Taylor23 hr
Sep 16, 2:48 PM EDTCoastal Flood AdvisoryTAEJefferson, Taylor29 hr
Sep 16, 3:28 PM EDTFlash Flood WarningTAEGadsden, Leon6 hr
Sep 16, 4:25 PM EDTRiver Flood WarningTAEWakulla66 hr
Sep 16, 6:03 PM EDTFlash Flood WarningTAEJefferson4 hr
Sep 16, 6:24 PM EDTFlash Flood Warning Considerable damage threatTAEHolmes, Walton6 hr
Sep 16, 6:32 PM EDTAreal Flood WarningTAEBay, Washington16 hr
Sep 16, 7:29 PM EDTSpecial Marine WarningTAE61 min

Nearby

Tornado Warnings in Georgia, 2020Tornado Warnings in Florida, 2020Every tornado warning in 2020Tornadoes in 2020

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.