Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 25, NWS Charleston, SC

April 3, 2017Bulloch County, Evans County, Tattnall County, Georgia

NWS Charleston, SC issued this severe thunderstorm warning at Apr 3, 2017, 4:22 PM EDT for Bulloch County, Evans County, Tattnall County, Georgia. It was in force for 38 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 3, 2017, 4:22 PM EDT (20:22 UTC)
Expired: Apr 3, 2017, 5:00 PM EDT
In force: 38 min
Issued by: NWS Charleston, SC
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Bulloch County, GA, Evans County, GA, Tattnall County, GA

The radar

The Charleston,SC radar (KCLX), 86 km from the middle of the area, began a volume at 20:22 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.

What was reported inside it

Time	Report	Where	Remark
Apr 3, 4:35 PM EDT	TSTM WND GST 46	Claxton Evans County Ai, GA	THE AWOS SITE KCWV MEASURED A 40 KNOT WIND GUST.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 3, 2:07 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 8.4 hours before the alert went out and 185 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1059 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 47 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

278 
WUUS52 KCHS 032022
SVRCHS
GAC031-109-267-032100-
/O.NEW.KCHS.SV.W.0025.170403T2022Z-170403T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston SC
422 PM EDT MON APR 3 2017

The National Weather Service in Charleston has issued a

* Severe Thunderstorm Warning for portions of...
  Evans County in southeastern Georgia...
  Bulloch County in southeastern Georgia...
  Tattnall County in southeastern Georgia...

* Until 500 PM EDT

* At 422 PM EDT, a severe thunderstorm was located near Claxton,
  moving northeast at 40 mph.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  Claxton, Hagan, Daisy, Bellville, Manassas, Nevils and Denmark. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.

&&

A tornado watch remains in effect until 900 PM EDT for southeastern
Georgia.

LAT...LON 3240 8172 3221 8158 3216 8173 3216 8178
      3214 8178 3207 8201 3216 8204
TIME...MOT...LOC 2022Z 242DEG 33KT 3215 8200 

HAIL...1.00IN
WIND...60MPH
 
$$

MTE

2 follow-up statements

220 
WWUS52 KCHS 032050
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
450 PM EDT MON APR 3 2017

GAC267-032059-
/O.CAN.KCHS.SV.W.0025.000000T0000Z-170403T2100Z/
Tattnall GA-
450 PM EDT MON APR 3 2017

...THE SEVERE THUNDERSTORM WARNING FOR TATTNALL COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore the warning has been cancelled.

A tornado watch remains in effect until 900 PM EDT for southeastern
Georgia.

LAT...LON 3240 8172 3221 8158 3216 8173 3216 8178
      3214 8178 3211 8189 3225 8180 3234 8180
TIME...MOT...LOC 2049Z 242DEG 33KT 3227 8173 

$$

GAC031-109-032100-
/O.CON.KCHS.SV.W.0025.000000T0000Z-170403T2100Z/
Evans GA-Bulloch GA-
450 PM EDT MON APR 3 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR EVANS AND BULLOCH COUNTIES...

At 449 PM EDT, a severe thunderstorm was located 8 miles west of Bay,
moving northeast at 40 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Daisy, Denmark and Nevils. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.

Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.

&&

A tornado watch remains in effect until 900 PM EDT for southeastern
Georgia.

LAT...LON 3240 8172 3221 8158 3216 8173 3216 8178
      3214 8178 3211 8189 3225 8180 3234 8180
TIME...MOT...LOC 2049Z 242DEG 33KT 3227 8173 

HAIL...1.00IN
WIND...60MPH
 
$$

MTE

021 
WWUS52 KCHS 032057
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
457 PM EDT MON APR 3 2017

GAC031-109-032107-
/O.EXP.KCHS.SV.W.0025.000000T0000Z-170403T2100Z/
Evans GA-Bulloch GA-
457 PM EDT MON APR 3 2017

...THE SEVERE THUNDERSTORM WARNING FOR EVANS AND BULLOCH COUNTIES
WILL EXPIRE AT 500 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

A tornado watch remains in effect until 900 PM EDT for southeastern
Georgia.

LAT...LON 3240 8172 3221 8158 3216 8173 3216 8178
      3214 8178 3211 8189 3225 8180 3234 8180
TIME...MOT...LOC 2057Z 242DEG 33KT 3230 8165 

$$

MTE

The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 3, 3:36 AM EDT	Rip Current Statement	CHS		16 hr
Apr 3, 2:44 PM EDT	Special Weather Statement	CHS	Long	31 min
Apr 3, 3:07 PM EDT	Severe Thunderstorm Warning	CHS	Liberty, Long	53 min
Apr 3, 3:11 PM EDT	Special Weather Statement	CHS	Tattnall	34 min
Apr 3, 3:27 PM EDT	Special Weather Statement	CHS	Bulloch	33 min
Apr 3, 3:33 PM EDT	Severe Thunderstorm Warning	CHS	Bryan, Liberty	46 min
Apr 3, 3:43 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch	32 min
Apr 3, 3:44 PM EDT	Severe Thunderstorm Warning	CHS	Screven	50 min
Apr 3, 3:49 PM EDT	Severe Thunderstorm Warning	CHS	Jenkins	33 min
Apr 3, 3:52 PM EDT	Special Weather Statement	CHS	Bulloch	23 min
Apr 3, 4:04 PM EDT	Severe Thunderstorm Warning	CHS	Candler	28 min
Apr 3, 4:13 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch, Effingham, Screven	47 min
Apr 3, 4:18 PM EDT	Severe Thunderstorm Warning	CHS	Screven	31 min
Apr 3, 5:04 PM EDT	Special Weather Statement	CHS	Bryan, Effingham, Liberty, Long	26 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2017 Every severe thunderstorm warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.