Alert archive / Georgia / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 40, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Apr 3, 2012, 4:06 PM EDT for Bryan County, Chatham County, Effingham County, Georgia. It was in force for 54 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
- Apr 3, 2012, 4:06 PM EDT (20:06 UTC)
- Expired
- Apr 3, 2012, 5:00 PM EDT
- In force
- 54 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
Counties Bryan County, GA, Chatham County, GA, Effingham County, GA
The radar
The Charleston,SC radar (KCLX), 78 km from the middle of the area, began a volume at 20:08 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, 8.1 hours before the alert went out and 162 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
- 245 J/kg
- Mixed-layer CIN
- -110 J/kg
- Mixed-layer LCL
- 657 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
232
WUUS52 KCHS 032006
SVRCHS
GAC029-051-103-032100-
/O.NEW.KCHS.SV.W.0040.120403T2006Z-120403T2100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
406 PM EDT TUE APR 3 2012
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL BRYAN COUNTY IN SOUTHEAST GEORGIA...
NORTHWESTERN CHATHAM COUNTY IN SOUTHEAST GEORGIA...
SOUTH CENTRAL EFFINGHAM COUNTY IN SOUTHEAST GEORGIA...
* UNTIL 500 PM EDT
* AT 406 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM...NEAR BLOOMINGDALE...MOVING SOUTHEAST AT 5
MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO QUARTER SIZE...
TORRENTIAL RAIN WHICH MAY PRODUCE LOCALIZED FLOODING...
* SOME LOCATIONS IN THE WARNING INCLUDE...
BLOOMINGDALE...MELDRIM...POOLER...SAVANNAH AIRPORT...I-16/I-95
INTERCHANGE...RICHMOND HILL...
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 3219 8130 3205 8106 3187 8135 3192 8141
3193 8140 3194 8141 3194 8144 3204 8157
TIME...MOT...LOC 2006Z 317DEG 4KT 3209 8134
$$3 follow-up statements
600
WWUS52 KCHS 032020
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
420 PM EDT TUE APR 3 2012
GAC029-051-103-032100-
/O.CON.KCHS.SV.W.0040.000000T0000Z-120403T2100Z/
EFFINGHAM GA-BRYAN GA-CHATHAM GA-
420 PM EDT TUE APR 3 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR NORTHWESTERN CHATHAM...CENTRAL BRYAN AND SOUTH CENTRAL EFFINGHAM
COUNTIES...
AT 419 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM
MELDRIM TO RICHMOND HILL. THESE STORMS WERE NEARLY STATIONARY.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO QUARTER SIZE...
TORRENTIAL RAIN WHICH MAY PRODUCE LOCALIZED FLOODING...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
BLOOMINGDALE...I-16/I-95 INTERCHANGE...MELDRIM...POOLER...RICHMOND
HILL...SAVANNAH AND SAVANNAH AIRPORT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A SEVERE THUNDERSTORM IS CAPABLE OF PRODUCING LARGE HAIL...DAMAGING
WINDS OF 58 MPH OR GREATER...DEADLY LIGHTNING AND VERY HEAVY RAIN. GO
INSIDE A STURDY SHELTER. MOVE TO AN INTERIOR ROOM AND STAY AWAY FROM
WINDOWS.
&&
LAT...LON 3219 8130 3205 8106 3187 8135 3192 8141
3193 8140 3194 8141 3194 8144 3204 8157
TIME...MOT...LOC 2019Z 045DEG 1KT 3211 8140 3196 8135
$$082
WWUS52 KCHS 032036
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
436 PM EDT TUE APR 3 2012
GAC029-051-103-032100-
/O.CON.KCHS.SV.W.0040.000000T0000Z-120403T2100Z/
EFFINGHAM GA-BRYAN GA-CHATHAM GA-
436 PM EDT TUE APR 3 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR NORTHWESTERN CHATHAM...CENTRAL BRYAN AND SOUTH CENTRAL EFFINGHAM
COUNTIES...
AT 436 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM
MELDRIM TO BLOOMINGDALE TO RICHMOND HILL. THESE STORMS WERE NEARLY
STATIONARY.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO QUARTER SIZE...
TORRENTIAL RAIN WHICH MAY PRODUCE LOCALIZED FLOODING...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
BLOOMINGDALE...I-16/I-95 INTERCHANGE...MELDRIM...POOLER...RICHMOND
HILL...SAVANNAH AND SAVANNAH AIRPORT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3219 8130 3205 8106 3187 8135 3192 8141
3193 8140 3194 8141 3194 8144 3204 8157
TIME...MOT...LOC 2036Z 045DEG 1KT 3213 8138 3210 8130
3197 8130
$$111
WWUS52 KCHS 032051
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
451 PM EDT TUE APR 3 2012
GAC029-051-103-032100-
/O.EXP.KCHS.SV.W.0040.000000T0000Z-120403T2100Z/
EFFINGHAM GA-BRYAN GA-CHATHAM GA-
451 PM EDT TUE APR 3 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CHATHAM...CENTRAL
BRYAN AND SOUTH CENTRAL EFFINGHAM COUNTIES WILL EXPIRE AT 500 PM
EDT...
AT 450 PM EDT...RADAR INDICATED THAT THE THUNDERSTORMS WHICH PROMPTED
THE WARNING HAD WEAKENED...THUS THE SEVERE THUNDERSTORM WARNING HAS
BEEN ALLOWED TO EXPIRE.
ALTHOUGH THE SEVERE THUNDERSTORM WARNING HAS EXPIRED...THESE
THUNDERSTORMS ARE STILL CAPABLE OF PRODUCING GUSTY WINDS...SMALL
HAIL...FREQUENT LIGHTNING AND HEAVY RAINFALL. IF THESE STORMS
RESTRENGTHEN...ANOTHER SEVERE THUNDERSTORM WARNING MAY BE REQUIRED.
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
LAT...LON 3219 8130 3205 8106 3187 8135 3192 8141
3193 8140 3194 8141 3194 8144 3204 8157
TIME...MOT...LOC 2050Z 045DEG 1KT 3213 8138 3210 8130
3197 8130
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 2, 9:31 PM EDT | Small Craft Advisory | CHS | 2 hr | |
| Apr 3, 3:32 PM EDT | Special Weather Statement | CHS | Effingham | 28 min |
| Apr 3, 4:02 PM EDT | Special Weather Statement | CHS | Bryan | 28 min |
| Apr 3, 5:16 PM EDT | Severe Thunderstorm Warning | CHS | Bulloch, Effingham | 59 min |
| Apr 3, 5:58 PM EDT | Severe Thunderstorm Warning | CHS | Bulloch, Screven | 47 min |
| Apr 3, 6:48 PM EDT | Special Weather Statement | CHS | Screven | 27 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.