Alert archive / Georgia / Tornado Warnings in 2020

Tornado Warning 45, NWS Tallahassee, FL

April 30, 2020Berrien County, Cook County, Georgia

NWS Tallahassee, FL issued this tornado warning at Apr 30, 2020, 2:14 AM EDT for Berrien County, Cook County, Georgia. It was in force for 16 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
Apr 30, 2020, 2:14 AM EDT (06:14 UTC)
Expired
Apr 30, 2020, 2:30 AM EDT
In force
16 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Berrien County, GA, Cook County, GA

The radar

The Moody AFB radar (KVAX), 42 km from the middle of the area, began a volume at 06:18 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 00:00Z, 6.2 hours before the alert went out and 148 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 00:00Z on 2020-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 84 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 00:00Z on 2020-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 197 square meters per square second.19395878Sfc1 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
84 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
914 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
197 m²/s²
0-3 km storm-relative helicity
250 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

421 
WFUS52 KTAE 300614
TORTAE
GAC019-075-300700-
/O.NEW.KTAE.TO.W.0045.200430T0614Z-200430T0700Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
214 AM EDT Thu Apr 30 2020

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  East central Cook County in south central Georgia...
  Central Berrien County in south central Georgia...

* Until 300 AM EDT.
    
* At 214 AM EDT, a severe thunderstorm capable of producing a tornado
  was located near Sparks, or near Adel, moving east at 35 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...
  Nashville around 230 AM EDT.

Other locations impacted by this tornadic thunderstorm include Weber,
Laconte, Cottle, Berrien Co A/P, Massee and Bannockburn.

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 3123 8305 3122 8304 3121 8305 3117 8305
      3115 8344 3123 8345 3135 8309 3135 8308
      3133 8306 3130 8306 3129 8305 3128 8305
      3128 8304
TIME...MOT...LOC 0614Z 261DEG 32KT 3119 8339 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

15-HARRIGAN
1 follow-up statement
264 
WWUS52 KTAE 300630
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
230 AM EDT Thu Apr 30 2020

GAC019-075-300640-
/O.CAN.KTAE.TO.W.0045.000000T0000Z-200430T0700Z/
Cook GA-Berrien GA-
230 AM EDT Thu Apr 30 2020

...THE TORNADO WARNING FOR EAST CENTRAL COOK AND CENTRAL BERRIEN
COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

LAT...LON 3123 8305 3122 8304 3121 8305 3117 8305
      3115 8344 3123 8345 3135 8309 3135 8308
      3133 8306 3130 8306 3129 8305 3128 8305
      3128 8304
TIME...MOT...LOC 0624Z 261DEG 32KT 3121 8322 

$$

15-HARRIGAN

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 30, 2:10 AM EDTSpecial Weather StatementTAEBen Hill, Berrien, Brooks, Cook, Irwin50 min
Apr 30, 2:45 AM EDTSpecial Weather StatementTAELanier, Lowndes45 min

Nearby

Tornado Warnings in Georgia, 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.