Alert archive / Georgia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 281, NWS Tallahassee, FL

August 18, 2016Berrien County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 18, 2016, 9:47 PM EDT for Berrien County, Georgia. It was in force for 28 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 18, 2016, 9:47 PM EDT (01:47 UTC)
Expired
Aug 18, 2016, 10:15 PM EDT
In force
28 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Berrien County, GA

The radar

The Moody AFB radar (KVAX), 47 km from the middle of the area, began a volume at 01:51 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, 1.8 hours before the alert went out and 147 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 2016-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1416 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 2016-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 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
1416 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
1097 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

468 
WUUS52 KTAE 190147
SVRTAE
GAC019-190215-
/O.NEW.KTAE.SV.W.0281.160819T0147Z-160819T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
947 PM EDT THU AUG 18 2016

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL BERRIEN COUNTY IN GEORGIA...

* UNTIL 1015 PM EDT

* AT 947 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR NASHVILLE...
  AND IS NEARLY STATIONARY.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  NASHVILLE...ALAPAHA...WEBER...GLORY AND BERRIEN CO A/P. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3119 8309 3119 8328 3138 8335 3139 8312
      3136 8311 3135 8308
TIME...MOT...LOC 0147Z 176DEG 4KT 3126 8320 

HAIL...<.75IN
WIND...60MPH
 
$$

15-HARRIGAN
2 follow-up statements
708 
WWUS52 KTAE 190201
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1001 PM EDT THU AUG 18 2016

GAC019-190215-
/O.CON.KTAE.SV.W.0281.000000T0000Z-160819T0215Z/
BERRIEN GA-
1001 PM EDT THU AUG 18 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT
FOR NORTHEASTERN BERRIEN COUNTY...

AT 1001 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ALAPAHA...OR
NEAR WILLACOOCHEE...MOVING NORTH AT 15 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
ALAPAHA AND GLORY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3126 8315 3126 8331 3138 8335 3139 8312
      3136 8311 3135 8308 3128 8308
TIME...MOT...LOC 0201Z 199DEG 15KT 3135 8315 

HAIL...<.75IN
WIND...60MPH
 
$$

15-HARRIGAN
638 
WWUS52 KTAE 190209
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1009 PM EDT THU AUG 18 2016

GAC019-190218-
/O.EXP.KTAE.SV.W.0281.000000T0000Z-160819T0215Z/
BERRIEN GA-
1009 PM EDT THU AUG 18 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BERRIEN COUNTY
WILL EXPIRE AT 1015 PM EDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS. THEREFORE...THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 3126 8315 3126 8331 3138 8335 3139 8312
      3136 8311 3135 8308 3128 8308
TIME...MOT...LOC 0207Z 176DEG 4KT 3135 8315 

$$

15-HARRIGAN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 9:04 PM EDTSpecial Weather StatementTAEBerrien, Lanier41 min
Aug 18, 10:08 PM EDTSpecial Weather StatementTAEBerrien52 min
Aug 19, 2:28 PM EDTSpecial Weather StatementTAETurner47 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2016Every severe thunderstorm warning in 2016

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.