Alert archive / Georgia / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 175, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Jul 28, 2012, 5:05 PM EDT for Bryan County, Chatham County, Liberty County, Georgia. It was in force for 55 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
- Jul 28, 2012, 5:05 PM EDT (21:05 UTC)
- Expired
- Jul 28, 2012, 6:00 PM EDT
- In force
- 55 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
Counties Bryan County, GA, Chatham County, GA, Liberty County, GA
The radar
The Charleston,SC radar (KCLX), 92 km from the middle of the area, began a volume at 21:06 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 |
|---|---|---|---|
| Jul 28, 5:15 PM EDT | TSTM WND DMG | 1 Ese Skidaway Island, GA | CHATHAM COUNTY EMERGENCY MANAGER RELAYED A REPORT OF A TREE DOWN ON A HOUSE ON HEMINGWAY DRIVE. TIME ESTIMATED BY RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 9.1 hours before the alert went out and 155 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
- 1221 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 891 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
466
WUUS52 KCHS 282105
SVRCHS
GAC029-051-179-282200-
/O.NEW.KCHS.SV.W.0175.120728T2105Z-120728T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
505 PM EDT SAT JUL 28 2012
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN BRYAN COUNTY IN SOUTHEAST GEORGIA...
SOUTHERN CHATHAM COUNTY IN SOUTHEAST GEORGIA...
SOUTHEASTERN LIBERTY COUNTY IN SOUTHEAST GEORGIA...
* UNTIL 600 PM EDT
* AT 506 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SEVERE THUNDERSTORMS...ALONG A LINE EXTENDING FROM WHITEMARSH
ISLAND TO FORT MCALLISTER...MOVING EAST AT 10 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
* SOME LOCATIONS IN THE WARNING INCLUDE...
WINDSOR FOREST...WHITEMARSH ISLAND...VERNONBURG...ISLE OF HOPE...
MONTGOMERY...WILMINGTON ISLAND...ST. CATHERINES 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 3157 8116 3191 8136 3207 8104 3202 8083
3197 8085 3194 8091 3191 8093 3183 8103
3181 8103 3176 8107 3172 8113 3163 8112
TIME...MOT...LOC 2106Z 282DEG 10KT 3202 8101 3194 8119
$$2 follow-up statements
117
WWUS52 KCHS 282132
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
532 PM EDT SAT JUL 28 2012
GAC029-051-179-282200-
/O.CON.KCHS.SV.W.0175.000000T0000Z-120728T2200Z/
LIBERTY GA-BRYAN GA-CHATHAM GA-
532 PM EDT SAT JUL 28 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR SOUTHERN CHATHAM...SOUTHEASTERN BRYAN AND SOUTHEASTERN LIBERTY
COUNTIES...
AT 532 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM
WILMINGTON PARK TO WINDWARD...MOVING EAST AT 10 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...BELFAST...
FORT MCALLISTER...FORT PULASKI NATIONAL MONUMENT...ISLE OF HOPE...
KELLER...MONTGOMERY...OSSABAW SOUND...SANDFLY...SKIDAWAY ISLAND...ST.
CATHERINES ISLAND...THUNDERBOLT...TYBEE ISLAND...VERNONBURG...WASSAW
ISLAND...WHITE BLUFF...WHITEMARSH ISLAND...WILMINGTON ISLAND...
WINDSOR FOREST AND RIVERSIDE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. MOVE INDOORS
IMMEDIATELY. IF THERE IS NO SAFE SHELTER AVAILABLE...STAY AWAY FROM
ISOLATED HIGH OBJECTS AND BODIES OF WATER. IF YOU CAN HEAR THUNDER...
YOU ARE WITHIN STRIKING DISTANCE.
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
&&
LAT...LON 3157 8116 3191 8136 3203 8113 3207 8104
3202 8083 3197 8085 3194 8091 3191 8093
3183 8103 3181 8103 3176 8107 3172 8113
3163 8112
TIME...MOT...LOC 2132Z 282DEG 10KT 3196 8096 3193 8120
$$353
WWUS52 KCHS 282146
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
546 PM EDT SAT JUL 28 2012
GAC029-051-179-282200-
/O.CON.KCHS.SV.W.0175.000000T0000Z-120728T2200Z/
LIBERTY GA-BRYAN GA-CHATHAM GA-
546 PM EDT SAT JUL 28 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR SOUTHERN CHATHAM...SOUTHEASTERN BRYAN AND SOUTHEASTERN LIBERTY
COUNTIES...
AT 546 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM
WASSAW ISLAND TO WINDWARD...MOVING EAST AT 10 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...BELFAST...
FORT MCALLISTER...ISLE OF HOPE...KELLER...MONTGOMERY...OSSABAW
SOUND...SANDFLY...SKIDAWAY ISLAND...ST. CATHERINES ISLAND...
VERNONBURG...WASSAW ISLAND...WHITE BLUFF AND WINDSOR FOREST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS THUNDERSTORM IS CAPABLE OF PRODUCING VERY HEAVY RAIN...WHICH MAY
FLOOD ROADS...DITCHES AND LOW-LYING AREAS. AVOID FLOOD PRONE AREAS
AND DO NOT DRIVE INTO PLACES WHERE WATER COVERS THE ROAD.
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 3157 8116 3191 8136 3201 8114 3194 8091
3191 8093 3183 8103 3181 8103 3176 8107
3172 8113 3163 8112
TIME...MOT...LOC 2146Z 277DEG 10KT 3193 8095 3195 8123
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 3:28 PM EDT | Special Weather Statement | CHS | Long | 32 min |
| Jul 28, 3:32 PM EDT | Special Weather Statement | CHS | Bryan | 28 min |
| Jul 28, 3:59 PM EDT | Special Weather Statement | CHS | Bryan, Chatham, Liberty | 31 min |
| Jul 28, 4:15 PM EDT | Special Marine Warning | CHS | 60 min | |
| Jul 28, 4:18 PM EDT | Special Marine Warning | CHS | 87 min | |
| Jul 28, 4:41 PM EDT | Special Weather Statement | CHS | Chatham, Liberty | 34 min |
| Jul 28, 5:01 PM EDT | Areal Flood Advisory | CHS | Chatham | 59 min |
| Jul 28, 5:10 PM EDT | Special Marine Warning | CHS | 95 min | |
| Jul 28, 5:16 PM EDT | Special Weather Statement | CHS | Long, McIntosh | 59 min |
| Jul 28, 5:24 PM EDT | Severe Thunderstorm Warning | CHS | Liberty, Long, McIntosh | 66 min |
| Jul 28, 5:42 PM EDT | Special Marine Warning | CHS | 2 hr | |
| Jul 28, 5:42 PM EDT | Special Weather Statement | CHS | Chatham | 33 min |
| Jul 28, 6:30 PM EDT | Severe Thunderstorm Warning | CHS | Liberty, McIntosh | 60 min |
| Jul 28, 6:38 PM EDT | Special Marine Warning | CHS | 103 min | |
| Jul 28, 7:44 PM EDT | Special Marine Warning | CHS | 2 hr |
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.