Alert archive / Georgia / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 91, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Jun 4, 2012, 1:42 PM EDT for 4 counties in Georgia. It was in force for 48 min. 1 report 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
- Jun 4, 2012, 1:42 PM EDT (17:42 UTC)
- Expired
- Jun 4, 2012, 2:30 PM EDT
- In force
- 48 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
Counties Bryan County, GA, Chatham County, GA, Effingham County, GA, Liberty County, GA
The radar
The Charleston,SC radar (KCLX), 76 km from the middle of the area, began a volume at 17:44 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 |
|---|---|---|---|
| Jun 4, 1:53 PM EDT | TSTM WND DMG | 3 Nw Richmond Hill, GA | LAW ENFORCEMENT REPORTED TREES DOWN ALONG HIGHWAY 144 NEAR RICHMOND HILL GEORGIA. |
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 |
|---|---|---|---|
| Jun 4, 1:09 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 5.7 hours before the alert went out and 144 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
- 138 J/kg
- Mixed-layer CIN
- -149 J/kg
- Mixed-layer LCL
- 913 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- -114 m²/s²
- 0-3 km storm-relative helicity
- -30 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
042
WUUS52 KCHS 041742
SVRCHS
GAC029-051-103-179-041830-
/O.NEW.KCHS.SV.W.0091.120604T1742Z-120604T1830Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
142 PM EDT MON JUN 4 2012
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL BRYAN COUNTY IN SOUTHEAST GEORGIA...
CHATHAM COUNTY IN SOUTHEAST GEORGIA...
EXTREME SOUTH CENTRAL EFFINGHAM COUNTY IN SOUTHEAST GEORGIA...
NORTH CENTRAL LIBERTY COUNTY IN SOUTHEAST GEORGIA...
* UNTIL 230 PM EDT
* AT 142 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM...11 MILES NORTHWEST OF RICHMOND HILL...MOVING
EAST AT 45 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...
RICHMOND HILL...I-16/I-95 INTERCHANGE...WINDSOR FOREST...WHITE
BLUFF...MONTGOMERY...VERNONBURG...SKIDAWAY ISLAND...OSSABAW
SOUND...WASSAW ISLAND...WILMINGTON ISLAND...
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 3197 8152 3212 8150 3204 8090 3203 8087
3203 8084 3200 8083 3197 8085 3194 8091
3191 8093 3183 8103 3181 8103
TIME...MOT...LOC 1742Z 284DEG 40KT 3199 8140
$$2 follow-up statements
086
WWUS52 KCHS 041754
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
154 PM EDT MON JUN 4 2012
GAC103-041804-
/O.CAN.KCHS.SV.W.0091.000000T0000Z-120604T1830Z/
EFFINGHAM GA-
154 PM EDT MON JUN 4 2012
...THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTH CENTRAL
EFFINGHAM COUNTY HAS BEEN CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT MONDAY
EVENING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
LAT...LON 3195 8145 3203 8142 3209 8131 3204 8090
3203 8087 3203 8084 3200 8083 3197 8085
3194 8091 3191 8093 3183 8103 3181 8103
TIME...MOT...LOC 1754Z 282DEG 38KT 3197 8126
$$
GAC029-051-179-041830-
/O.CON.KCHS.SV.W.0091.000000T0000Z-120604T1830Z/
LIBERTY GA-BRYAN GA-CHATHAM GA-
154 PM EDT MON JUN 4 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM EDT
FOR CENTRAL CHATHAM...CENTRAL BRYAN AND NORTH CENTRAL LIBERTY
COUNTIES...
AT 154 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM NEAR RICHMOND HILL...MOVING EAST AT 45
MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH...
HAIL UP TO PING PONG SIZE...
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.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT MONDAY
EVENING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
&&
LAT...LON 3195 8145 3203 8142 3209 8131 3204 8090
3203 8087 3203 8084 3200 8083 3197 8085
3194 8091 3191 8093 3183 8103 3181 8103
TIME...MOT...LOC 1754Z 282DEG 38KT 3197 8126
$$327
WWUS52 KCHS 041824
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
224 PM EDT MON JUN 4 2012
GAC029-051-179-041834-
/O.EXP.KCHS.SV.W.0091.000000T0000Z-120604T1830Z/
LIBERTY GA-BRYAN GA-CHATHAM GA-
224 PM EDT MON JUN 4 2012
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CHATHAM...CENTRAL
BRYAN AND NORTH CENTRAL LIBERTY COUNTIES WILL EXPIRE AT 230 PM EDT...
AT 224 PM EDT...RADAR INDICATED THAT THE THUNDERSTORM WHICH PROMPTED
THE WARNING HAD WEAKENED...THUS THE SEVERE THUNDERSTORM WARNING HAS
BEEN ALLOWED TO EXPIRE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT MONDAY
EVENING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
LAT...LON 3195 8145 3203 8142 3209 8131 3204 8090
3203 8087 3203 8084 3200 8083 3197 8085
3194 8091 3191 8093 3183 8103 3181 8103
TIME...MOT...LOC 1824Z 282DEG 38KT 3190 8089
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 6:47 AM EDT | Special Marine Warning | CHS | 118 min | |
| Jun 4, 12:47 PM EDT | Special Weather Statement | CHS | Bulloch, Candler, Evans | 28 min |
| Jun 4, 12:52 PM EDT | Special Marine Warning | CHS | 67 min | |
| Jun 4, 12:54 PM EDT | Special Weather Statement | CHS | Long | 51 min |
| Jun 4, 12:58 PM EDT | Severe Thunderstorm Warning | CHS | Bryan, Liberty, Long, Tattnall | 62 min |
| Jun 4, 1:23 PM EDT | Tornado Warning | CHS | Bryan, Liberty, Long | 37 min |
| Jun 4, 1:28 PM EDT | Special Weather Statement | CHS | Chatham | 17 min |
| Jun 4, 1:34 PM EDT | Special Marine Warning | CHS | 86 min | |
| Jun 4, 1:44 PM EDT | Severe Thunderstorm Warning | CHS | Bryan, Chatham, Liberty, Long, McIntosh | 46 min |
| Jun 4, 1:50 PM EDT | Severe Thunderstorm Warning | CHS | Liberty, Long, Tattnall | 40 min |
| Jun 4, 2:04 PM EDT | Special Marine Warning | CHS | 116 min | |
| Jun 4, 2:22 PM EDT | Severe Thunderstorm Warning | CHS | Bryan, Liberty, Long, McIntosh | 53 min |
| Jun 4, 2:30 PM EDT | Severe Thunderstorm Warning | CHS | Bryan, Chatham, Liberty, McIntosh | 60 min |
| Jun 4, 3:56 PM EDT | Coastal Flood Advisory | CHS | 7 hr | |
| Jun 4, 5:08 PM EDT | Special Weather Statement | CHS | Long | 37 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.