Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 13, NWS Charleston, SC

March 27, 2011Bulloch County, Chatham County, Effingham County, Georgia

NWS Charleston, SC issued this severe thunderstorm warning at Mar 27, 2011, 2:41 PM EDT for Bulloch County, Chatham County, Effingham County, Georgia. It was in force for 64 min. 16 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: Mar 27, 2011, 2:41 PM EDT (18:41 UTC)
Expired: Mar 27, 2011, 3:45 PM EDT
In force: 64 min
Issued by: NWS Charleston, SC
Area: Storm-based polygon

Counties Bulloch County, GA, Chatham County, GA, Effingham County, GA

The radar

The Charleston,SC radar (KCLX), 40 km from the middle of the area, began a volume at 18:42 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
Mar 27, 2:45 PM EDT	HAIL 1	2 Wnw Guyton, GA	PEA TO QUARTER SIZE HAIL REPORTED.
Mar 27, 2:54 PM EDT	HAIL 0.88	Springfield, GA	SPOTTER REPORTED NICKEL SIZE HAIL COVERING THE GROUND.
Mar 27, 2:55 PM EDT	HAIL 1	1 Ene Guyton, GA	QUARTER SIZE HAIL COVERING THE GROUND.
Mar 27, 2:58 PM EDT	HAIL 1.75	2 E Guyton, GA	GOLF BALL SIZE HAIL REPORTED BY THE PUBLIC.
Mar 27, 3:00 PM EDT	HAIL 1	Rincon, GA
Mar 27, 3:00 PM EDT	HAIL 1	Springfield, GA	QUARTER SIZE HAIL IN SPRINGFIELD.
Mar 27, 3:02 PM EDT	HAIL 1.25	Rincon, GA	HAIL COVERED GROUND. DENTED CARS AND A CAMPER. LEAVES STRIPPED OFF OAK TREES.
Mar 27, 3:02 PM EDT	HAIL 1.75	Rincon, GA	QUARTER TO GOLF BALL HAIL. DENTED CARS.
Mar 27, 3:03 PM EDT	HAIL 1.5	7 E Guyton, GA	PUBLIC REPORT OF PING PONG BALL SIZE HAIL FOR 2 MINUTES. NNW WINDS 25 MPH.
Mar 27, 3:04 PM EDT	HAIL 2	1 Sse Rincon, GA	GOLF BALL TO HEN EGG HAIL REPORTED BY COCORAHS OBSERVER.
Mar 27, 3:05 PM EDT	HAIL 1.75	1 E Rincon, GA
Mar 27, 3:08 PM EDT	HAIL 1	Rincon, GA	TRAINED SPOTTER REPORTED QUARTER SIZE HAIL.
Mar 27, 3:09 PM EDT	HAIL 1	Rincon, GA	DIME TO QUARTER SIZE HAIL IN RINCON.
Mar 27, 3:12 PM EDT	HAIL 1.75	5 E Guyton, GA	PUBLIC REPORTED GOLF BALL SIZE HAIL BETWEEN GUYTON AND RINCON.
Mar 27, 3:13 PM EDT	HAIL 2.75	2 N Rincon, GA	PUBLIC REPORTED GOLF BALL TO BASEBALL SIZE HAIL AND SMALL LIMBS OFF TREES.
Mar 27, 3:15 PM EDT	HAIL 1.25	Rincon, GA

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
Mar 27, 9:55 AM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 6.7 hours before the alert went out and 135 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: 13 J/kg
Mixed-layer CIN: -277 J/kg
Mixed-layer LCL: 1146 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 178 m²/s²
0-3 km storm-relative helicity: 290 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

609 
WUUS52 KCHS 271841
SVRCHS
GAC031-051-103-271945-
/O.NEW.KCHS.SV.W.0013.110327T1841Z-110327T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
241 PM EDT SUN MAR 27 2011

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME SOUTHEASTERN BULLOCH COUNTY IN SOUTHEAST GEORGIA...
  EXTREME NORTH CENTRAL CHATHAM COUNTY IN SOUTHEAST GEORGIA...
  EFFINGHAM COUNTY IN SOUTHEAST GEORGIA...

* UNTIL 345 PM EDT

* AT 238 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM...12 MILES WEST OF GUYTON...MOVING EAST AT 40
  MPH.

  PREPARE NOW FOR THE FOLLOWING HAZARDS...
  DAMAGING WINDS IN EXCESS OF 60 MPH...
  BASEBALL SIZE HAIL...

* SOME LOCATIONS IN THE WARNING INCLUDE...
  GUYTON...PINEORA...SPRINGFIELD...STILLWELL...RINCON...EBENEZER...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REPORT HAIL...DOWNED TREES...LIMBS...AND POWER LINES DIRECTLY TO THE
CHARLESTON NATIONAL WEATHER SERVICE AT 1-888-383-2024.

&&

LAT...LON 3252 8145 3250 8122 3246 8119 3243 8120
      3234 8116 3235 8114 3233 8113 3219 8115
      3222 8143 3223 8144 3223 8149
TIME...MOT...LOC 1841Z 270DEG 33KT 3237 8157

$$

1 follow-up statement

566 
WWUS52 KCHS 271927
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
327 PM EDT SUN MAR 27 2011

GAC031-051-103-271945-
/O.CON.KCHS.SV.W.0013.000000T0000Z-110327T1945Z/
EFFINGHAM GA-BULLOCH GA-CHATHAM GA-
327 PM EDT SUN MAR 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR EXTREME NORTH CENTRAL CHATHAM...EXTREME SOUTHEASTERN BULLOCH AND
CENTRAL EFFINGHAM COUNTIES...

AT 322 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED 13 MILES WEST OF IVANHOE...OR ABOUT OVER BAY...MOVING EAST AT
45 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
EBENEZER...GUYTON...MARLOW...PINEORA...RINCON...SPRINGFIELD AND
STILLWELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT HAIL OR WIND DAMAGE...CONTACT THE CHARLESTON NATIONAL
WEATHER SERVICE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV. REPORTS CAN ALSO BE SENT THROUGH TWITTER USING
#WXREPORT.

&&

LAT...LON 3238 8147 3239 8118 3235 8116 3234 8115
      3235 8114 3233 8113 3226 8114 3225 8115
      3219 8115 3222 8142 3223 8144 3224 8149
TIME...MOT...LOC 1927Z 263DEG 39KT 3223 8162

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 26, 8:14 PM EDT	Severe Thunderstorm Warning	CHS	Effingham, Screven	61 min
Mar 26, 8:18 PM EDT	Special Weather Statement	CHS	Bulloch	42 min
Mar 27, 11:18 AM EDT	Special Weather Statement	CHS	Jenkins	27 min
Mar 27, 11:47 AM EDT	Special Weather Statement	CHS	Screven	43 min
Mar 27, 1:28 PM EDT	Special Weather Statement	CHS	Effingham	32 min
Mar 27, 1:41 PM EDT	Special Marine Warning	CHS		2 hr
Mar 27, 1:41 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch, Candler	64 min
Mar 27, 1:46 PM EDT	Special Weather Statement	CHS	Burke	29 min
Mar 27, 1:48 PM EDT	Severe Thunderstorm Warning	CHS	Effingham	26 min
Mar 27, 2:13 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch, Candler, Effingham, Screven	62 min
Mar 27, 2:26 PM EDT	Special Marine Warning	CHS		64 min
Mar 27, 2:32 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch, Candler, Evans, Tattnall	58 min
Mar 27, 2:58 PM EDT	Severe Thunderstorm Warning	CHS	Chatham	62 min
Mar 27, 3:05 PM EDT	Severe Thunderstorm Warning	CHS	Bryan, Bulloch, Effingham, Evans	55 min
Mar 27, 3:12 PM EDT	Severe Thunderstorm Warning	CHS	Bryan, Bulloch, Chatham, Effingham, Evans, Liberty	63 min
Mar 27, 3:20 PM EDT	Special Weather Statement	CHS	McIntosh	25 min
Mar 27, 3:33 PM EDT	Special Marine Warning	CHS		117 min
Mar 27, 3:38 PM EDT	Special Weather Statement	CHS	McIntosh	37 min
Mar 27, 3:45 PM EDT	Severe Thunderstorm Warning	CHS	Bryan, Bulloch, Evans, Liberty, Long, Tattnall	60 min
Mar 27, 3:48 PM EDT	Special Marine Warning	CHS		48 min
Mar 27, 4:02 PM EDT	Severe Thunderstorm Warning	CHS	Chatham	58 min
Mar 27, 4:11 PM EDT	Severe Thunderstorm Warning	CHS	Bryan, Chatham, Effingham, Evans, Liberty	64 min
Mar 27, 4:20 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch, Candler, Evans, Tattnall	34 min
Mar 27, 4:26 PM EDT	Special Weather Statement	CHS	Long	34 min
Mar 27, 4:37 PM EDT	Severe Thunderstorm Warning	CHS	Bryan, Bulloch, Evans, Liberty, Long, Tattnall	53 min
Mar 27, 4:46 PM EDT	Areal Flood Advisory	CHS	Chatham	89 min
Mar 27, 4:53 PM EDT	Severe Thunderstorm Warning	CHS	Chatham	48 min
Mar 27, 4:57 PM EDT	Special Marine Warning	CHS		59 min
Mar 27, 5:09 PM EDT	Severe Thunderstorm Warning	CHS	Bryan, Chatham, Effingham, Liberty	31 min
Mar 27, 5:14 PM EDT	Special Weather Statement	CHS	Long	31 min
Mar 27, 5:52 PM EDT	Special Weather Statement	CHS	Liberty, Long	23 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2011 Every severe thunderstorm warning in 2011

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.