Alert archive / Georgia / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 99, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Jun 5, 2012, 3:15 PM EDT for McIntosh County, Georgia. It was in force for 30 min. 2 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
- Jun 5, 2012, 3:15 PM EDT (19:15 UTC)
- Expired
- Jun 5, 2012, 3:45 PM EDT
- In force
- 30 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
County McIntosh County, GA
The radar
The Jacksonville radar (KJAX), 104 km from the middle of the area, began a volume at 19:16 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 5, 3:17 PM EDT | HAIL 1 | 5 Sse Valona, GA | PENNY TO QUARTER SIZE HAIL AT THE SAPELO ISLAND FERRY DOCK. |
| Jun 5, 3:18 PM EDT | HAIL 0.88 | 5 Se Valona, GA | PENNY TO NICKEL SIZE HAIL AT THE SAPELO ISLAND NERRS. |
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 5, 12:24 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 7.3 hours before the alert went out and 103 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
- 886 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 901 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
940
WUUS52 KCHS 051915
SVRCHS
GAC191-051945-
/O.NEW.KCHS.SV.W.0099.120605T1915Z-120605T1945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
315 PM EDT TUE JUN 5 2012
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN MCINTOSH COUNTY IN SOUTHEAST GEORGIA...
* UNTIL 345 PM EDT
* AT 315 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM...NEAR WOLF ISLAND...MOVING EAST AT 25 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO THE SIZE OF HALF DOLLARS...
* SOME LOCATIONS IN THE WARNING INCLUDE...
WOLF ISLAND...VALONA...SAPELO 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 3132 8136 3130 8142 3133 8144 3135 8151
3138 8156 3146 8163 3147 8162 3150 8165
3150 8119 3148 8119 3140 8125 3137 8124
3137 8127 3131 8125 3129 8129
TIME...MOT...LOC 1915Z 260DEG 22KT 3140 8129
$$3 follow-up statements
053
WWUS52 KCHS 051932
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
332 PM EDT TUE JUN 5 2012
GAC191-051945-
/O.CON.KCHS.SV.W.0099.000000T0000Z-120605T1945Z/
MCINTOSH GA-
332 PM EDT TUE JUN 5 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR SOUTHERN MCINTOSH COUNTY...
AT 332 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM NEAR ARDICK...MOVING EAST AT 20 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO QUARTER SIZE...
AT 317 PM EDT...THE SAPELO ISLAND FERRY REPORTED QUARTER SIZED HAIL.
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
CARNIGAN...COX...DARIEN...MERIDIAN...RIDGEVILLE...SAPELO ISLAND AND
WOLF ISLAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. MOVE INDOORS
IMMEDIATELY. IF THERE IS NO SAFE SHELTER AVAILABLE...STAY AWAY FROM
ISOLATED HIGH OBJECTS AND BODIES OF WATER. IF YOU CAN HEAR THUNDER...
YOU ARE WITHIN STRIKING DISTANCE.
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
&&
LAT...LON 3132 8136 3130 8142 3133 8144 3135 8151
3138 8156 3146 8163 3147 8162 3147 8124
3140 8125 3137 8124 3137 8127 3131 8125
3129 8129
TIME...MOT...LOC 1932Z 280DEG 18KT 3142 8147
$$924
WWUS52 KCHS 051936
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
336 PM EDT TUE JUN 5 2012
GAC191-051945-
/O.CON.KCHS.SV.W.0099.000000T0000Z-120605T1945Z/
MCINTOSH GA-
336 PM EDT TUE JUN 5 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR SOUTHERN MCINTOSH COUNTY...
AT 337 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM NEAR DARIEN...MOVING SOUTHEAST AT 25
MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
HAIL UP TO QUARTER SIZE...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
CARNIGAN...DARIEN...RIDGEVILLE...SAPELO ISLAND AND WOLF ISLAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. MOVE INDOORS
IMMEDIATELY. IF THERE IS NO SAFE SHELTER AVAILABLE...STAY AWAY FROM
ISOLATED HIGH OBJECTS AND BODIES OF WATER. IF YOU CAN HEAR THUNDER...
YOU ARE WITHIN STRIKING DISTANCE.
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 3132 8136 3130 8142 3133 8144 3135 8151
3138 8156 3144 8146 3147 8124 3140 8125
3137 8124 3137 8127 3131 8125 3129 8129
TIME...MOT...LOC 1937Z 295DEG 22KT 3139 8143
$$110
WWUS52 KCHS 051943
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
343 PM EDT TUE JUN 5 2012
GAC191-051953-
/O.EXP.KCHS.SV.W.0099.000000T0000Z-120605T1945Z/
MCINTOSH GA-
343 PM EDT TUE JUN 5 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MCINTOSH COUNTY WILL
EXPIRE AT 345 PM EDT...
AT 343 PM EDT...RADAR INDICATED THAT THE THUNDERSTORM WHICH PROMPTED
THE WARNING HAD WEAKENED...THUS THE SEVERE THUNDERSTORM WARNING HAS
BEEN ALLOWED TO EXPIRE.
ALTHOUGH THE SEVERE THUNDERSTORM WARNING IS NO LONGER IN EFFECT...
THUNDERSTORMS ARE STILL CAPABLE OF PRODUCING GUSTY WINDS...SMALL
HAIL...FREQUENT LIGHTNING AND HEAVY RAINFALL. THE SAFEST COURSE OF
ACTION IS TO REMAIN INDOORS UNTIL THE STORMS HAVE PASSED.
ALTHOUGH THE IMMEDIATE THREAT FOR DAMAGING WINDS AND LARGE HAIL HAS
ENDED...THUNDERSTORMS ARE STILL PRODUCING FREQUENT CLOUD TO GROUND
LIGHTNING STRIKES. THE SAFEST COURSE OF ACTION IS TO REMAIN INDOORS
UNTIL THE STORMS HAVE PASSED.
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
LAT...LON 3132 8136 3130 8142 3133 8144 3135 8151
3138 8156 3144 8146 3147 8124 3140 8125
3137 8124 3137 8127 3131 8125 3129 8129
TIME...MOT...LOC 1943Z 295DEG 22KT 3137 8139
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 12:58 PM EDT | Special Weather Statement | CHS | Tattnall | 47 min |
| Jun 5, 1:08 PM EDT | Severe Thunderstorm Warning | CHS | Liberty, Long, Tattnall | 52 min |
| Jun 5, 1:10 PM EDT | Tornado Warning | CHS | Tattnall | 50 min |
| Jun 5, 1:58 PM EDT | Severe Thunderstorm Warning | CHS | Bryan, Liberty, Long, Tattnall | 62 min |
| Jun 5, 2:10 PM EDT | Special Marine Warning | CHS | 2 hr | |
| Jun 5, 2:15 PM EDT | Special Weather Statement | CHS | McIntosh | 30 min |
| Jun 5, 2:23 PM EDT | Severe Thunderstorm Warning | CHS | Bryan, Liberty, Long, McIntosh | 52 min |
| Jun 5, 3:09 PM EDT | Special Weather Statement | CHS | Chatham | 51 min |
| Jun 5, 3:21 PM EDT | Severe Thunderstorm Warning | CHS | Chatham | 25 min |
| Jun 5, 3:38 PM EDT | Special Marine Warning | CHS | 64 min | |
| Jun 5, 4:12 PM EDT | Special Marine Warning | CHS | 54 min | |
| Jun 5, 4:35 PM EDT | Coastal Flood Advisory | CHS | 7 hr | |
| Jun 5, 5:05 PM EDT | Severe Thunderstorm Warning | CHS | Evans, Long, Tattnall | 41 min |
| Jun 5, 5:39 PM EDT | Special Weather Statement | CHS | Bryan, Evans | 51 min |
| Jun 5, 6:14 PM EDT | Special Weather Statement | CHS | Bryan, Effingham | 31 min |
| Jun 5, 6:40 PM EDT | Special Weather Statement | CHS | Chatham | 35 min |
| Jun 5, 6:47 PM EDT | Special Marine Warning | CHS | 56 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.