Alert archive / Georgia / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 67, NWS Charleston, SC

June 25, 2010Jenkins County, Screven County, Georgia

NWS Charleston, SC issued this severe thunderstorm warning at Jun 25, 2010, 3:09 PM EDT for Jenkins County, Screven County, Georgia. 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 counties it named.

The facts

Issued: Jun 25, 2010, 3:09 PM EDT (19:09 UTC)
Expired: Jun 25, 2010, 3:51 PM EDT
In force: 42 min
Issued by: NWS Charleston, SC
Area: Storm-based polygon

Counties Jenkins County, GA, Screven County, GA

The radar

The Charleston,SC radar (KCLX), 71 km from the middle of the area, began a volume at 19:10 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, 7.2 hours before the alert went out and 168 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 885 J/kg
Mixed-layer CIN: -83 J/kg
Mixed-layer LCL: 1103 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 25, 1:30 PM EDT, 1 hour 39 minutes earlier.

Area forecast discussion, Jun 25, 1:30 PM EDT, 1 hour 39 minutes before

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Hazardous weather outlook, Jun 25, 10:59 AM EDT, 4 hours 10 minutes before

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In the hours before

Special weather statement, Jun 25, 2:29 PM EDT, 40 minutes before

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Special weather statement, Jun 25, 2:47 PM EDT, 22 minutes before

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Special weather statement, Jun 25, 3:01 PM EDT, 8 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
301 PM EDT FRI JUN 25 2010

GAZ087-088-251930-
JENKINS-SCREVEN-
301 PM EDT FRI JUN 25 2010

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF JENKINS AND SCREVEN
COUNTIES THROUGH 330 PM EDT...

AT 258 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM...OVER EXTREME NORTHEASTERN JENKINS COUNTY...
MOVING SOUTHEAST AT 5 MPH.

SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
RURAL EXTREME NORTHEASTERN JENKINS COUNTY...
RURAL EXTREME NORTHWEST SCREVEN COUNTY...

PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS OF 40 TO 50 MPH...
PENNY SIZE HAIL...
FREQUENT CLOUD TO GROUND LIGHTNING...
TORRENTIAL RAIN WHICH MAY PRODUCE LOCALIZED FLOODING...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. IF
OUTDOORS...STAY AWAY FROM ISOLATED TALL OBJECTS. IF INDOORS...STAY
AWAY FROM WINDOWS AND DOORS. AVOID USING PLUMBING AND ELECTRICAL
APPLIANCES UNLESS IT IS AN EMERGENCY.

THIS THUNDERSTORM IS CAPABLE OF PRODUCING VERY HEAVY RAIN...WHICH MAY
FLOOD DITCHES AND LOW-LYING AREAS. REDUCE VEHICLE SPEED TO LOWER THE
RISK OF HYDROPLANING. DO NOT DRIVE INTO PLACES WHERE WATER COVERS THE
ROAD. SEEK AN ALTERNATE ROUTE.

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 3295 8185 3293 8179 3291 8177 3292 8174
      3285 8167 3277 8182 3290 8190
TIME...MOT...LOC 1900Z 313DEG 4KT 3286 8181

Special weather statement, Jun 25, 3:04 PM EDT, 5 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
304 PM EDT FRI JUN 25 2010

SCZ045-251930-
INLAND BERKELEY-
304 PM EDT FRI JUN 25 2010

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF BERKELEY COUNTY
THROUGH 330 PM EDT...
...MARINERS ON LAKE MOULTRIE SHOULD SEEK SAFE HARBOR...

AT 302 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM...NEAR WAMPEE...MOVING EAST AT 5 MPH.

SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
BONNEAU BEACH...BONNEAU...CROSS...MONCKS CORNER...NORTHERN LAKE
MOULTRIE...PINOPOLIS AND SOUTHERN LAKE MOULTRIE...

PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS OF 40 TO 50 MPH...
FREQUENT CLOUD TO GROUND LIGHTNING...
TORRENTIAL RAIN WHICH MAY PRODUCE LOCALIZED FLOODING...

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 3331 7979 3310 7989 3321 8023 3339 8013
TIME...MOT...LOC 1904Z 292DEG 5KT 3327 8001

Special weather statement, Jun 25, 3:06 PM EDT, 3 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
306 PM EDT FRI JUN 25 2010

SCZ042-047-251930-
HAMPTON-INLAND JASPER-
306 PM EDT FRI JUN 25 2010

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF HAMPTON AND JASPER
COUNTIES THROUGH 330 PM EDT...

AT 302 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM...NEAR CUMMINGS  ... NEARLY STATIONARY.

SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
ALMEDA INTERSECTION...CUMMINGS...GRAYS AND VARNVILLE...

PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS OF 40 TO 50 MPH...
FREQUENT CLOUD TO GROUND LIGHTNING...
TORRENTIAL RAIN WHICH MAY PRODUCE LOCALIZED FLOODING...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS THUNDERSTORM IS CAPABLE OF PRODUCING VERY HEAVY RAIN...WHICH MAY
FLOOD DITCHES AND LOW-LYING AREAS. REDUCE VEHICLE SPEED TO LOWER THE
RISK OF HYDROPLANING. DO NOT DRIVE INTO PLACES WHERE WATER COVERS THE
ROAD. SEEK AN ALTERNATE ROUTE.

CONTACT THE NATIONAL WEATHER SERVICE IN CHARLESTON TOLL FREE AT
1-888-383-2024 IF YOU OBSERVE SEVERE WEATHER SUCH AS HAIL...DOWNED
TREES...LIMBS AND POWER LINES. REPORTS CAN ALSO BE SENT BY EMAIL TO
CHS.SKYWARN@NOAA.GOV OR THROUGH TWITTER USING #WXREPORT.

&&

LAT...LON 3285 8093 3264 8094 3267 8119 3286 8111
TIME...MOT...LOC 1906Z 291DEG 1KT 3276 8103

Special weather statement, Jun 25, 3:09 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
309 PM EDT FRI JUN 25 2010

SCZ044-251945-
DORCHESTER-
309 PM EDT FRI JUN 25 2010

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF DORCHESTER COUNTY
THROUGH 345 PM EDT...

AT 306 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM...NEAR RIDGEVILLE...MOVING SOUTH AT 5 MPH.

SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
DORCHESTER...GIVHANS...GIVHANS FERRY STATE PARK...JEDBURG...
KNIGHTSVILLE...PINEWOOD PREPARATORY AND RIDGEVILLE...

PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS OF 40 TO 50 MPH...
FREQUENT CLOUD TO GROUND LIGHTNING...
TORRENTIAL RAIN WHICH MAY PRODUCE LOCALIZED FLOODING...

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 3321 8036 3317 8030 3316 8031 3304 8018
      3291 8033 3298 8041 3304 8039 3305 8044
      3306 8045 3306 8047 3308 8051
TIME...MOT...LOC 1910Z 344DEG 4KT 3308 8036

The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 25, 4:09 AM EDT	Heat Advisory	CHS	Bulloch, Candler, Effingham, Evans, Jenkins, Long and 2 more	13 hr
Jun 25, 2:00 PM EDT	Special Weather Statement	CHS	Candler	30 min
Jun 25, 2:47 PM EDT	Special Weather Statement	CHS	Candler	43 min
Jun 25, 3:01 PM EDT	Special Weather Statement	CHS	Jenkins	29 min
Jun 25, 3:29 PM EDT	Severe Thunderstorm Warning	CHS	Tattnall	61 min
Jun 25, 3:34 PM EDT	Special Weather Statement	CHS	Bulloch, Evans	26 min
Jun 25, 3:48 PM EDT	Severe Thunderstorm Warning	CHS	Evans, Long, Tattnall	57 min
Jun 25, 4:09 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch, Effingham, Screven	66 min
Jun 25, 4:31 PM EDT	Special Weather Statement	CHS	Bryan	29 min
Jun 25, 4:41 PM EDT	Severe Thunderstorm Warning	CHS	Bryan, Bulloch, Chatham, Effingham, Liberty	64 min
Jun 25, 4:47 PM EDT	Special Weather Statement	CHS	Liberty, Long	28 min
Jun 25, 5:22 PM EDT	Special Weather Statement	CHS	Bryan, Liberty, McIntosh	53 min
Jun 25, 5:46 PM EDT	Severe Thunderstorm Warning	CHS	Chatham, Effingham	37 min
Jun 24, 8:44 PM EDT	Special Weather Statement	CHS	Hampton	31 min
Jun 25, 2:29 PM EDT	Special Weather Statement	CHS	Colleton	31 min
Jun 25, 2:39 PM EDT	Severe Thunderstorm Warning	CHS	Colleton	66 min
Jun 25, 3:04 PM EDT	Special Weather Statement	CHS	Berkeley	26 min
Jun 25, 3:06 PM EDT	Special Weather Statement	CHS	Hampton	24 min
Jun 25, 3:09 PM EDT	Special Weather Statement	CHS	Dorchester	36 min
Jun 25, 3:15 PM EDT	Special Weather Statement	CHS	Allendale	30 min
Jun 25, 3:41 PM EDT	Severe Thunderstorm Warning	CHS	Allendale, Colleton, Hampton	36 min
Jun 25, 3:45 PM EDT	Severe Thunderstorm Warning	CHS	Colleton, Dorchester	60 min
Jun 25, 4:21 PM EDT	Special Weather Statement	CHS	Berkeley	24 min
Jun 25, 4:25 PM EDT	Severe Thunderstorm Warning	CHS	Allendale, Hampton	46 min
Jun 25, 4:30 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Hampton, Jasper	60 min
Jun 25, 4:44 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Colleton, Dorchester	61 min
Jun 25, 4:48 PM EDT	Special Weather Statement	CHS	Berkeley	27 min
Jun 25, 5:25 PM EDT	Special Weather Statement	CHS	Berkeley	35 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2010 Every severe thunderstorm warning in 2010

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.