Alert archive / South Carolina / Special Weather Statements in 2011
Special Weather Statement, NWS Charleston, SC
NWS Charleston, SC issued this special weather statement at Aug 23, 2011, 3:39 PM EDT for Beaufort County, Jasper County, South Carolina. It was in force for 51 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 23, 2011, 3:39 PM EDT (19:39 UTC)
- Expired
- Aug 23, 2011, 4:30 PM EDT
- In force
- 51 min
- Issued by
- NWS Charleston, SC
Counties Beaufort County, SC, Jasper County, SC
The radar
The Charleston,SC radar (KCLX), 25 km from the middle of the area, began a volume at 19:41 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
Jacksonville, FL (KJAX), launched 12:00Z, 7.7 hours before the alert went out and 223 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
- 2055 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 938 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Charleston, SC wrote its last area forecast discussion before this special weather statement went out at Aug 23, 2:32 PM EDT, 1 hour 7 minutes earlier.
Area forecast discussion, Aug 23, 2:32 PM EDT, 1 hour 7 minutes before
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</html>Hazardous weather outlook, Aug 23, 3:20 AM EDT, 12 hours 19 minutes before
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Special weather statement, Aug 23, 1:32 PM EDT, 2 hours 7 minutes before
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</html>Special weather statement, Aug 23, 3:00 PM EDT, 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
300 PM EDT TUE AUG 23 2011
SCZ043-047>051-231945-
BEAUFORT-CHARLESTON-COASTAL COLLETON-COASTAL JASPER-INLAND
COLLETON-INLAND JASPER-
300 PM EDT TUE AUG 23 2011
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF CHARLESTON...
JASPER...COLLETON AND BEAUFORT COUNTIES THROUGH 345 PM EDT...
AT 259 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM...NEAR GREEN POND...MOVING SOUTHWEST AT 15 MPH.
SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
BEAUFORT...BEAUFORT MARINE CORPS AIR STATION...BENNETTS POINT...
BURTON...CLARENDON...COOSAWHATCHIE...DALE...GARDENS CORNER...
GILLISONVILLE...GRAYS...GREEN POND...HILTON HEAD AIRPORT...LADYS
ISLAND...LAUREL BAY...LEMON ISLAND...OLD HOUSE...PARRIS ISLAND...
POCOTALIGO...PORT ROYAL...SHELDON...SHELL POINT AND WHITE HALL...
PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS OF 40 TO 50 MPH...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH.
BE READY TO TAKE IMMEDIATE ACTION IN CASE A SEVERE THUNDERSTORM
WARNING IS ISSUED FOR YOUR LOCATION.
&&
LAT...LON 3249 8044 3248 8047 3244 8046 3227 8058
3225 8063 3222 8062 3220 8068 3266 8111
3269 8095 3267 8094 3265 8096 3262 8090
3270 8083 3272 8083 3276 8062 3263 8034
TIME...MOT...LOC 1901Z 035DEG 14KT 3266 8059Special weather statement, Aug 23, 3:39 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 339 PM EDT TUE AUG 23 2011 GAZ101-SCZ047>049-051-232030- BEAUFORT-COASTAL COLLETON-COASTAL JASPER-EFFINGHAM-INLAND JASPER- 339 PM EDT TUE AUG 23 2011 ...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF EFFINGHAM...JASPER... COLLETON AND BEAUFORT COUNTIES THROUGH 430 PM EDT... AT 337 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS...ALONG A LINE EXTENDING FROM CHISOLM POINT TO TARBORO...MOVING SOUTHWEST AT 20 MPH. SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE... CLYO...EBENEZER...SPRINGFIELD...STILLWELL...BEAUFORT...BEAUFORT MARINE CORPS AIR STATION...BLUFFTON...BURTON...CALAWASSIE ISLAND... CLARENDON...COOSAWHATCHIE...DALE...GILLISONVILLE...GRAHAMVILLE... HARDEEVILLE...JASPER...LADYS ISLAND...LAUREL BAY...LEMON ISLAND...OLD HOUSE...PARRIS ISLAND...PORT ROYAL...PRITCHARDVILLE...PURYSBURGH... RIDGELAND...ROSE HILL...SHELL POINT...SUN CITY...SWITZERLAND... TARBORO AND TILLMAN... PREPARE NOW FOR THE FOLLOWING HAZARDS... STRONG WINDS OF 45 TO 55 MPH... PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH. BE READY TO TAKE IMMEDIATE ACTION IN CASE A SEVERE THUNDERSTORM WARNING IS ISSUED FOR YOUR LOCATION. && LAT...LON 3243 8144 3262 8113 3257 8045 3210 8084 TIME...MOT...LOC 1939Z 030DEG 19KT 3255 8059 3254 8107
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 8:11 PM EDT | Special Weather Statement | CHS | Tattnall | 34 min |
| Aug 22, 8:20 PM EDT | Special Weather Statement | CHS | Candler | 25 min |
| Aug 22, 8:25 PM EDT | Special Marine Warning | CHS | 39 min | |
| Aug 22, 8:37 PM EDT | Special Weather Statement | CHS | Candler | 38 min |
| Aug 22, 10:01 PM EDT | Special Weather Statement | CHS | Screven | 29 min |
| Aug 23, 6:30 AM EDT | Special Marine Warning | CHS | 90 min | |
| Aug 23, 7:10 AM EDT | Special Marine Warning | CHS | 2 hr | |
| Aug 23, 7:50 AM EDT | Special Marine Warning | CHS | 92 min | |
| Aug 23, 1:26 PM EDT | Special Marine Warning | CHS | 98 min | |
| Aug 23, 4:29 PM EDT | Special Weather Statement | CHS | Effingham | 46 min |
| Aug 23, 5:17 PM EDT | Special Weather Statement | CHS | Bryan, Chatham | 28 min |
| Aug 23, 5:46 PM EDT | Special Weather Statement | CHS | Bryan, Chatham, Evans | 29 min |
| Aug 23, 6:08 PM EDT | Special Weather Statement | CHS | Bryan, Chatham, Evans, Liberty, Long, Tattnall | 52 min |
| Aug 23, 7:29 PM EDT | Special Weather Statement | CHS | Long | 46 min |
| Aug 22, 9:27 PM EDT | Special Weather Statement | CHS | Allendale, Hampton | 33 min |
| Aug 22, 10:32 PM EDT | Severe Thunderstorm Warning | CHS | Colleton, Hampton, Jasper | 58 min |
| Aug 22, 11:50 PM EDT | Special Weather Statement | CHS | Allendale | 25 min |
| Aug 23, 1:32 PM EDT | Special Weather Statement | CHS | Charleston | 28 min |
| Aug 23, 1:59 PM EDT | Special Weather Statement | CHS | Charleston | 31 min |
| Aug 23, 3:00 PM EDT | Special Weather Statement | CHS | Beaufort | 45 min |
| Aug 23, 5:27 PM EDT | Special Weather Statement | CHS | Berkeley | 48 min |
| Aug 23, 6:11 PM EDT | Special Weather Statement | CHS | Berkeley | 49 min |
| Aug 23, 6:51 PM EDT | Special Weather Statement | CHS | Dorchester | 24 min |
| Aug 23, 7:14 PM EDT | Special Weather Statement | CHS | Dorchester | 46 min |
Nearby
Special Weather Statements in South Carolina, 2011Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.