Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 36, NWS Charleston, SC

April 5, 20174 counties in Georgia

NWS Charleston, SC issued this severe thunderstorm warning at Apr 5, 2017, 4:33 PM EDT for 4 counties in Georgia. It was in force for 57 min. 7 reports 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 5, 2017, 4:33 PM EDT (20:33 UTC)
Expired
Apr 5, 2017, 5:30 PM EDT
In force
57 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
70.0 mph

Counties Bulloch County, GA, Candler County, GA, Jenkins County, GA, Screven County, GA

The radar

The Charleston,SC radar (KCLX), 89 km from the middle of the area, began a volume at 20:36 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

TimeReportWhereRemark
Apr 5, 5:21 PM EDTTSTM WND DMG1 Nw Statesboro, GABULLOCH COUNTY 911 REPORTED A TREE DOWN ON GARFIELD STREET.
Apr 5, 5:23 PM EDTTSTM WND DMG4 Nne Statesboro, GABULLOCH COUNTY 911 REPORTED A TREE DOWN ON RED FERN LANE NEAR STATESBORO.
Apr 5, 5:24 PM EDTTSTM WND DMG3 Ene Middleground, GABULLOCH COUNTY 911 REPORTED A TREE DOWN ON W C HODGES RD.
Apr 5, 5:25 PM EDTTSTM WND GST 52Statesboro Municipal Ai, GASTATESBORO GA AWOS REPORTED GUST TO 45 KTS FROM THE WEST.
Apr 5, 5:34 PM EDTTSTM WND DMG4 Ese Middleground, GATREES DOWN ALONG MARIA SORREL ROAD...ONE LEANING POWER POLE. ROADWAY NOT BLOCKED.
Apr 5, 5:34 PM EDTTSTM WND DMG4 Nne Statesboro, GABULLOCH COUNTY 911 REPORTED A TREE DOWN AT THE INTERSECTION OF MARIA SORRELL ROAD AND BELL ROAD
Apr 5, 5:38 PM EDTTSTM WND DMG2 Ssw Woodcliff, GASCREVEN COUNTY 911 REPORTED A TREE DOWN ON ROCKY FORD RD.

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.

IssuedProductOfficeLasted
Apr 5, 12:54 PM EDTTornado Watch PDSSPC10 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 8.6 hours before the alert went out and 188 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, Charleston AFB, SC at 12:00Z on 2017-04-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 626 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, Charleston AFB, SC at 12:00Z on 2017-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.1939587897Sfc1 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
626 J/kg
Mixed-layer CIN
-105 J/kg
Mixed-layer LCL
862 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
178 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted.

990 
WUUS52 KCHS 052033
SVRCHS
GAC031-043-165-251-052130-
/O.NEW.KCHS.SV.W.0036.170405T2033Z-170405T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Charleston SC
433 PM EDT WED APR 5 2017

The National Weather Service in Charleston has issued a

* Severe Thunderstorm Warning for portions of...
  Screven County in southeastern Georgia...
  Bulloch County in southeastern Georgia...
  Jenkins County in southeastern Georgia...
  Candler County in southeastern Georgia...

* Until 530 PM EDT

* At 432 PM EDT, severe thunderstorms were located along a line
  extending from 17 miles east of Wrightsville to Swainsboro to 11
  miles north of Lyons, moving east at 40 mph. This line of
  thunderstorms have a history of producing widespread wind damage
  and tornadoes.

  HAZARD...70 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings. 

* Locations impacted include...
  Statesboro, Metter, Millen, Sylvania, Middleground, Westside, Butts
  and Brooklet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Increased rotation has been detected and a tornado warning may be
needed. Remain alert for a possible tornado! Tornadoes can develop
quickly from severe thunderstorms. If you spot a tornado, take
shelter in a closet, bathroom or small, central room in a sturdy
structure.

&&

LAT...LON 3242 8220 3252 8215 3256 8209 3254 8203
      3260 8200 3266 8208 3281 8215 3289 8212
      3292 8208 3292 8195 3295 8186 3291 8176
      3297 8166 3271 8148 3236 8159 3232 8224
      3235 8225
TIME...MOT...LOC 2032Z 254DEG 33KT 3273 8241 3258 8232 3236 8237 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 2:44 PM EDTWind AdvisoryCHSBulloch, Candler, Effingham, Evans, Jenkins, Long and 2 more29 hr
Apr 5, 4:50 PM EDTTornado WarningCHSBulloch, Candler, Jenkins, Screven40 min
Apr 5, 4:56 PM EDTSpecial Weather StatementCHSTattnall34 min
Apr 5, 5:19 PM EDTSevere Thunderstorm WarningCHSBryan, Bulloch, Candler, Evans, Tattnall56 min
Apr 5, 5:27 PM EDTSevere Thunderstorm WarningCHSBulloch, Candler, Effingham, Jenkins, Screven63 min
Apr 5, 5:56 PM EDTSpecial Weather StatementCHSEffingham34 min
Apr 5, 6:05 PM EDTSevere Thunderstorm WarningCHSBryan, Bulloch, Effingham55 min
Apr 5, 6:21 PM EDTTornado WarningCHSBulloch, Candler, Evans, Tattnall39 min
Apr 5, 6:32 PM EDTTornado WarningCHSEvans, Tattnall43 min
Apr 5, 7:06 PM EDTSpecial Weather StatementCHSEvans24 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2017Every 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.