Alert archive / Georgia / Special Weather Statements in 2011
Special Weather Statement, NWS Charleston, SC
NWS Charleston, SC issued this special weather statement at Mar 30, 2011, 8:33 AM EDT for Screven County, Georgia; Allendale County, South Carolina. It was in force for 42 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
- Mar 30, 2011, 8:33 AM EDT (12:33 UTC)
- Expired
- Mar 30, 2011, 9:15 AM EDT
- In force
- 42 min
- Issued by
- NWS Charleston, SC
Counties Screven County, GA, Allendale County, SC
The radar
The Charleston,SC radar (KCLX), 59 km from the middle of the area, began a volume at 12:35 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
Charleston AFB, SC (KCHS), launched 12:00Z, 0.6 hours before the alert went out and 140 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
- 145 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 529 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 334 m²/s²
- 0-3 km storm-relative helicity
- 407 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.3
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 Mar 30, 7:02 AM EDT, 1 hour 31 minutes earlier.
Area forecast discussion, Mar 30, 7:02 AM EDT, 1 hour 31 minutes before
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</html>Hazardous weather outlook, Mar 30, 4:23 AM EDT, 4 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHARLESTON SC 423 AM EDT WED MAR 30 2011 AMZ330-350-352-GAZ087-088-099>101-114>119-SCZ040-042>045-047>052- 310000- CHARLESTON HARBOR- WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-JENKINS-SCREVEN- CANDLER-BULLOCH-EFFINGHAM-TATTNALL-EVANS-INLAND BRYAN-COASTAL BRYAN- INLAND CHATHAM-COASTAL CHATHAM-ALLENDALE-HAMPTON-INLAND COLLETON- DORCHESTER-INLAND BERKELEY-INLAND JASPER-BEAUFORT-COASTAL COLLETON- CHARLESTON-COASTAL JASPER-TIDAL BERKELEY- 423 AM EDT WED MAR 30 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS...SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. AMZ354-374-GAZ137>141-310000- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM-LONG-INLAND LIBERTY-COASTAL LIBERTY-INLAND MCINTOSH- COASTAL MCINTOSH- 423 AM EDT WED MAR 30 2011 ...ISOLATED SEVERE THUNDERSTORMS POSSIBLE TODAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS AND SOUTHEAST GEORGIA. .DAY ONE...TODAY AND TONIGHT. SEVERE THUNDERSTORMS...WIDESPREAD RAIN WITH SCATTERED THUNDERSTORMS WILL AFFECT SOUTHEAST GEORGIA TODAY. A FEW OF THE THUNDERSTORMS MAY BECOME SEVERE ACROSS PORTIONS OF LONG...LIBERTY AND MCINTOSH COUNTIES THIS AFTERNOON WITH A RISK FOR DAMAGING WINDS AND POSSIBLY TORNADOES. A WIDESPREAD SEVERE WEATHER EVENT APPEARS UNLIKELY AT THIS TIME. STAY TUNED TO NOAA WEATHER RADIO...TV OR YOUR LOCAL NEWS SOURCE FOR THE LATEST FORECAST FROM THE NATIONAL WEATHER SERVICE IN CHARLESTON. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Special weather statement, Mar 30, 7:19 AM EDT, 1 hour 14 minutes before
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</html>Special weather statement, Mar 30, 8:13 AM EDT, 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
813 AM EDT WED MAR 30 2011
GAZ100-116-301245-
BULLOCH-INLAND BRYAN-
813 AM EDT WED MAR 30 2011
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF BULLOCH AND BRYAN
COUNTIES THROUGH 845 AM EDT...
AT 812 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM...NEAR GROVELAND...MOVING NORTHEAST AT 35 MPH.
SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
BAY...DENMARK...GROVELAND...NEVILS...PEMBROKE AND STILSON...
PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS OF 40 TO 50 MPH...
PENNY SIZE HAIL...
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 3223 8181 3244 8156 3221 8144 3207 8167
3209 8170 3211 8176 3220 8180 3222 8180
TIME...MOT...LOC 1214Z 232DEG 29KT 3215 8173Special weather statement, Mar 30, 8:33 AM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
833 AM EDT WED MAR 30 2011
GAZ088-SCZ040-301315-
ALLENDALE-SCREVEN-
833 AM EDT WED MAR 30 2011
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF SCREVEN AND ALLENDALE
COUNTIES THROUGH 915 AM EDT...
AT 830 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS...ALONG A LINE EXTENDING FROM SYLVANIA TO
HILLTONIA...MOVING NORTHEAST AT 45 MPH.
SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
ALTMAN...HILLTONIA...MILLHAVEN...SYLVANIA...ALLENDALE...APPLETON...
MARTIN...MILLETT...SEIGLING...SYCAMORE AND ULMER...
PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS OF 40 TO 50 MPH...
PENNY SIZE HAIL...
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 3304 8156 3307 8161 3309 8161 3316 8154
3311 8137 3312 8119 3306 8112 3270 8163
3292 8175
TIME...MOT...LOC 1233Z 228DEG 40KT 3277 8158 3291 8165The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 7:19 AM EDT | Special Weather Statement | CHS | Candler | 26 min |
| Mar 30, 7:39 AM EDT | Special Weather Statement | CHS | Candler | 36 min |
| Mar 30, 8:03 AM EDT | Special Weather Statement | CHS | Jenkins, Screven | 27 min |
| Mar 30, 8:13 AM EDT | Special Weather Statement | CHS | Bulloch | 32 min |
| Mar 30, 8:48 AM EDT | Special Weather Statement | CHS | Screven | 27 min |
| Mar 30, 9:11 AM EDT | Special Weather Statement | CHS | Bulloch, Candler, Jenkins, Screven | 64 min |
| Mar 30, 10:05 AM EDT | Special Weather Statement | CHS | Screven | 55 min |
| Mar 30, 10:34 AM EDT | Special Weather Statement | CHS | Bryan, Effingham | 26 min |
| Mar 30, 12:00 PM EDT | Special Marine Warning | CHS | 2 hr |
Nearby
Special Weather Statements in Georgia, 2011Special 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.