Alert archive / Georgia / Special Weather Statements in 2011

Special Weather Statement, NWS Charleston, SC

July 9, 2011Long County, McIntosh County, Georgia

NWS Charleston, SC issued this special weather statement at Jul 9, 2011, 4:21 PM EDT for Long County, McIntosh County, Georgia. It was in force for 39 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: Jul 9, 2011, 4:21 PM EDT (20:21 UTC)
Expired: Jul 9, 2011, 5:00 PM EDT
In force: 39 min
Issued by: NWS Charleston, SC

Counties Long County, GA, McIntosh County, GA

The radar

The Jacksonville radar (KJAX), 119 km from the middle of the area, began a volume at 20:25 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

Jacksonville, FL (KJAX), launched 12:00Z, 8.4 hours before the alert went out and 117 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: 595 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 650 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 96 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

773 
WWUS82 KCHS 092021
SPSCHS

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
421 PM EDT SAT JUL 9 2011

GAZ137>141-092100-
COASTAL LIBERTY-COASTAL MCINTOSH-INLAND LIBERTY-INLAND MCINTOSH-LONG-
421 PM EDT SAT JUL 9 2011

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF LIBERTY...LONG AND
MCINTOSH COUNTIES THROUGH 500 PM EDT...

AT 416 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
STRONG THUNDERSTORM...NEAR JONES...MOVING EAST AT 5 MPH. OTHER 
STRONG STORMS WILL ALSO DEVELOP OVER PARTS OF LONG...LIBERTY AND 
MCINTOSH COUNTY THIS AFTERNOON.

SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
CARNIGAN...COX...CRESCENT...EULONIA...HARRIS NECK...JONES...
LUDOWICI...MERIDIAN...PINE HARBOR...RETREAT...RICEBORO...
RIDGEVILLE...SHELLMAN BLUFF...SOUTH NEWPORT...TIBET...TOWNSEND...
VALONA...WALTHOURVILLE AND CROSSROADS...

PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS OF 40 TO 50 MPH...
DIME SIZE HAIL...
FREQUENT CLOUD TO GROUND LIGHTNING...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT CLOUD-TO-GROUND LIGHTNING IS OCCURRING. POSTPONE OUTDOOR
ACTIVITIES PROMPTLY. SEEK SHELTER INSIDE AN ENCLOSED BUILDING.

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 3144 8163 3147 8162 3149 8165 3154 8167
      3156 8170 3158 8170 3162 8178 3176 8189
      3180 8134 3155 8117 3137 8142
TIME...MOT...LOC 2021Z 253DEG 4KT 3166 8150

$$


33

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 5:04 PM EDT	Areal Flood Advisory	CHS	Liberty, Long, McIntosh	55 min
Jul 9, 5:24 PM EDT	Special Marine Warning	CHS		2 hr
Jul 9, 5:27 PM EDT	Severe Thunderstorm Warning	CHS	Chatham	63 min
Jul 9, 6:04 PM EDT	Special Marine Warning	CHS		86 min
Jul 9, 6:21 PM EDT	Areal Flood Advisory	CHS	Chatham	24 min
Jul 9, 7:32 PM EDT	Special Weather Statement	CHS	Jenkins	43 min
Jul 9, 1:23 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston, Dorchester	38 min
Jul 9, 3:25 PM EDT	Special Weather Statement	CHS	Allendale	35 min
Jul 9, 3:42 PM EDT	Special Weather Statement	CHS	Berkeley	63 min
Jul 9, 3:44 PM EDT	Special Weather Statement	CHS	Dorchester	31 min
Jul 9, 3:58 PM EDT	Special Weather Statement	CHS	Allendale	32 min
Jul 9, 4:18 PM EDT	Special Weather Statement	CHS	Dorchester	42 min
Jul 9, 4:24 PM EDT	Special Weather Statement	CHS	Berkeley	51 min
Jul 9, 4:37 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston	53 min
Jul 9, 4:42 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Colleton, Hampton, Jasper	63 min
Jul 9, 4:54 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston, Colleton, Dorchester	66 min
Jul 9, 5:30 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston, Colleton, Dorchester	60 min
Jul 9, 5:53 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Colleton, Jasper	52 min
Jul 9, 6:01 PM EDT	Areal Flood Advisory	CHS	Berkeley, Charleston, Colleton, Dorchester	59 min

Nearby

Special Weather Statements in Georgia, 2011 Every special weather statement in 2011

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.