Alert archive / Georgia / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 83, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at May 31, 2012, 1:37 PM EDT for Bryan County, Chatham County, Effingham County, Georgia; Beaufort County, Jasper County, South Carolina. It was in force for 53 min. 4 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
- May 31, 2012, 1:37 PM EDT (17:37 UTC)
- Expired
- May 31, 2012, 2:30 PM EDT
- In force
- 53 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
Counties Bryan County, GA, Chatham County, GA, Effingham County, GA, Beaufort County, SC, Jasper County, SC
The radar
The Charleston,SC radar (KCLX), 43 km from the middle of the area, began a volume at 17:37 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 |
|---|---|---|---|
| May 31, 1:51 PM EDT | TSTM WND GST 51 | Savannah Airport, GA | MEASURED WIND GUST OF 44 KNOTS AT SAVANNAH INTERNATIONAL |
| May 31, 1:52 PM EDT | HAIL 0.5 | Port Wentworth, GA | MULTIPLE REPORTS OF HAIL SMALLER THAN DIMES |
| May 31, 1:57 PM EDT | HAIL 1 | Port Wentworth, GA | QUARTER SIZED HAIL AT INERSECTION OF HIGHWAY 30 AND HIGHWAY 21 IN PORT WENTWORTH |
| May 31, 2:11 PM EDT | TSTM WND DMG | 1 Sse Port Wentworth, GA | TREE DOWN ACROSS ROADWAY AT WILDWOOD DRIVE AND SMITH AVENUE. TIME BASED ON RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 5.6 hours before the alert went out and 123 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.
- Mixed-layer CAPE
- 50 J/kg
- Mixed-layer CIN
- -130 J/kg
- Mixed-layer LCL
- 1673 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -68 m²/s²
- 0-3 km storm-relative helicity
- -37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
186
WUUS52 KCHS 311737
SVRCHS
GAC029-051-103-SCC013-053-311830-
/O.NEW.KCHS.SV.W.0083.120531T1737Z-120531T1830Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
137 PM EDT THU MAY 31 2012
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL BRYAN COUNTY IN SOUTHEAST GEORGIA...
NORTHWESTERN CHATHAM COUNTY IN SOUTHEAST GEORGIA...
EASTERN EFFINGHAM COUNTY IN SOUTHEAST GEORGIA...
EXTREME WEST CENTRAL BEAUFORT COUNTY IN SOUTHEAST SOUTH CAROLINA...
SOUTHERN JASPER COUNTY IN SOUTHEAST SOUTH CAROLINA...
* UNTIL 230 PM EDT
* AT 137 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM...NEAR BLOOMINGDALE...MOVING NORTHEAST AT 10
MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO QUARTER SIZE...
* SOME LOCATIONS IN THE WARNING INCLUDE...
BLOOMINGDALE...POOLER...GARDEN CITY...PORT WENTWORTH...MEINHARD...
MONTEITH...RINCON...PURYSBURGH...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE SHELTER AS THUNDERSTORMS APPROACH.
REPORT HAIL...DOWNED TREES...LIMBS...AND POWER LINES DIRECTLY TO THE
CHARLESTON NATIONAL WEATHER SERVICE AT 1-888-383-2024...WHEN IT IS
SAFE TO DO SO.
&&
LAT...LON 3247 8126 3232 8093 3230 8095 3231 8096
3230 8101 3229 8099 3227 8099 3225 8102
3224 8101 3213 8107 3201 8121 3214 8141
TIME...MOT...LOC 1737Z 211DEG 9KT 3216 8126
$$
BSH2 follow-up statements
589
WWUS52 KCHS 311804
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
204 PM EDT THU MAY 31 2012
GAC029-051-103-SCC013-053-311830-
/O.CON.KCHS.SV.W.0083.000000T0000Z-120531T1830Z/
EFFINGHAM GA-BRYAN GA-JASPER SC-CHATHAM GA-BEAUFORT SC-
204 PM EDT THU MAY 31 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM EDT
FOR EXTREME WEST CENTRAL BEAUFORT...NORTHWESTERN CHATHAM...SOUTHERN
JASPER...NORTH CENTRAL BRYAN AND EASTERN EFFINGHAM COUNTIES...
AT 202 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED NEAR
MEINHARD...MOVING NORTHEAST AT 10 MPH. HAIL UP TO PING PONG BALL
SIZE IS POSSIBLE WITH THIS STORM.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO PING PONG SIZE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HAIL UP TO THE SIZE OF QUARTERS WAS REPORTED IN PORT WENTWORTH AT
157 PM WITH THIS STORM. THIS IS A DANGEROUS STORM...SEEK SAFE
SHELTER AND STAY AWAY FROM WINDOWS.
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
&&
LAT...LON 3247 8126 3232 8093 3230 8095 3231 8096
3230 8101 3229 8099 3227 8099 3225 8102
3224 8101 3213 8107 3201 8121 3214 8141
TIME...MOT...LOC 1802Z 211DEG 9KT 3219 8120
$$758
WWUS52 KCHS 311825
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
225 PM EDT THU MAY 31 2012
GAC029-051-103-SCC013-053-311835-
/O.EXP.KCHS.SV.W.0083.000000T0000Z-120531T1830Z/
EFFINGHAM GA-BRYAN GA-JASPER SC-CHATHAM GA-BEAUFORT SC-
225 PM EDT THU MAY 31 2012
...THE SEVERE THUNDERSTORM WARNING FOR EXTREME WEST CENTRAL
BEAUFORT...NORTHWESTERN CHATHAM...SOUTHERN JASPER...NORTH CENTRAL
BRYAN AND EASTERN EFFINGHAM COUNTIES WILL EXPIRE AT 230 PM EDT...
AT 225 PM EDT...RADAR INDICATED THAT THE THUNDERSTORM WHICH PROMPTED
THE WARNING HAD WEAKENED...THUS THE SEVERE THUNDERSTORM WARNING HAS
BEEN ALLOWED TO EXPIRE.
ALTHOUGH THE IMMEDIATE THREAT FOR DAMAGING WINDS AND LARGE HAIL HAS
ENDED...THUNDERSTORMS ARE STILL PRODUCING FREQUENT CLOUD TO GROUND
LIGHTNING STRIKES. THE SAFEST COURSE OF ACTION IS TO REMAIN INDOORS
UNTIL THE STORMS HAVE PASSED.
LAT...LON 3247 8126 3232 8093 3230 8095 3231 8096
3230 8101 3229 8099 3227 8099 3225 8102
3224 8101 3213 8107 3201 8121 3214 8141
TIME...MOT...LOC 1825Z 211DEG 9KT 3224 8116
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 8:29 PM EDT | Special Weather Statement | CHS | Effingham | 61 min |
| May 30, 11:59 PM EDT | Special Marine Warning | CHS | 91 min | |
| May 31, 1:35 PM EDT | Special Weather Statement | CHS | Effingham | 40 min |
| May 31, 2:12 PM EDT | Severe Thunderstorm Warning | CHS | Bryan, Chatham, Effingham, Liberty | 48 min |
| May 31, 3:54 PM EDT | Small Craft Advisory | CHS | 28 hr | |
| May 31, 4:01 PM EDT | Special Weather Statement | CHS | Long | 44 min |
| May 31, 4:29 PM EDT | Severe Thunderstorm Warning | CHS | Liberty, Long, McIntosh | 42 min |
| May 31, 5:53 PM EDT | Special Weather Statement | CHS | Candler | 52 min |
| May 31, 5:55 PM EDT | Special Weather Statement | CHS | Jenkins | 50 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2012Severe Thunderstorm Warnings in South Carolina, 2012Every severe thunderstorm warning in 2012
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.