Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Charleston, SC

March 24, 2012Bryan County, Georgia

NWS Charleston, SC issued this special weather statement at Mar 24, 2012, 7:16 PM EDT for Bryan County, Georgia. It was in force for 29 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: Mar 24, 2012, 7:16 PM EDT (23:16 UTC)
Expired: Mar 24, 2012, 7:45 PM EDT
In force: 29 min
Issued by: NWS Charleston, SC

County Bryan County, GA

The radar

The Charleston,SC radar (KCLX), 64 km from the middle of the area, began a volume at 23:16 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.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 11.3 hours before the alert went out and 149 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: 588 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 734 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 98 m²/s²
0-3 km storm-relative helicity: 118 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Mar 24, 7:11 PM EDT, 5 minutes earlier.

Area forecast discussion, Mar 24, 7:11 PM EDT, 5 minutes before

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Hazardous weather outlook, Mar 24, 6:59 PM EDT, 17 minutes before

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In the hours before

Local storm report, Mar 24, 4:24 PM EDT, 2 hours 52 minutes before

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Special weather statement, Mar 24, 4:24 PM EDT, 2 hours 52 minutes before

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Special weather statement, Mar 24, 4:35 PM EDT, 2 hours 41 minutes before

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Local storm report, Mar 24, 4:53 PM EDT, 2 hours 23 minutes before

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Special weather statement, Mar 24, 5:01 PM EDT, 2 hours 15 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
501 PM EDT SAT MAR 24 2012

GAZ116-117-119-137>139-242130-
COASTAL BRYAN-COASTAL CHATHAM-COASTAL LIBERTY-INLAND BRYAN-INLAND
LIBERTY-LONG-
501 PM EDT SAT MAR 24 2012

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF LIBERTY...BRYAN...
CHATHAM AND LONG COUNTIES THROUGH 530 PM EDT...

AT 456 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
STRONG THUNDERSTORMS...ALONG A LINE EXTENDING FROM OSSABAW ISLAND TO
RETREAT...MOVING EAST AT 35 MPH.

SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
HALFMOON LANDING...OSSABAW SOUND...RETREAT...RICEBORO AND SUNBURY...

PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS OF 40 MPH...
DIME SIZE HAIL...

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 3170 8154 3190 8108 3190 8094 3185 8100
      3183 8103 3181 8103 3177 8105 3175 8107
      3174 8111 3170 8113
TIME...MOT...LOC 2101Z 264DEG 31KT 3184 8104 3173 8135

Special weather statement, Mar 24, 7:16 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
716 PM EDT SAT MAR 24 2012

GAZ101-116-118-242345-
EFFINGHAM-INLAND BRYAN-INLAND CHATHAM-
716 PM EDT SAT MAR 24 2012

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF EFFINGHAM...BRYAN AND
CHATHAM COUNTIES THROUGH 745 PM EDT...

AT 716 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM...8 MILES SOUTHWEST OF BLOOMINGDALE...MOVING EAST
AT 30 MPH.

SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
BLOOMINGDALE...GARDEN CITY...I-16/I-95 INTERCHANGE...MEINHARD...
MONTEITH...POOLER AND SAVANNAH AIRPORT...

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THUNDERSTORMS CAN PRODUCE TORNADOES SUDDENLY...SOMETIMES WITH
LITTLE OR NO WARNING. BE ALERT FOR RAPIDLY CHANGING WEATHER
CONDITIONS AND BE READY TO ACT QUICKLY IF SEVERE WEATHER IS OBSERVED
OR A WARNING IS ISSUED.

&&

LAT...LON 3221 8121 3207 8111 3201 8144 3211 8148
TIME...MOT...LOC 2316Z 253DEG 25KT 3208 8138

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 23, 8:00 PM EDT	Special Weather Statement	CHS	Liberty, Long, Tattnall	30 min
Mar 24, 12:12 PM EDT	Special Weather Statement	CHS	Bulloch, Candler, Evans	33 min
Mar 24, 12:17 PM EDT	Severe Thunderstorm Warning	CHS	Effingham	58 min
Mar 24, 12:23 PM EDT	Severe Thunderstorm Warning	CHS	Evans, Tattnall	53 min
Mar 24, 12:44 PM EDT	Special Weather Statement	CHS	Screven	31 min
Mar 24, 2:26 PM EDT	Special Marine Warning	CHS		94 min
Mar 24, 3:57 PM EDT	Special Marine Warning	CHS		42 min
Mar 24, 4:35 PM EDT	Special Weather Statement	CHS	Chatham	25 min
Mar 24, 5:01 PM EDT	Special Weather Statement	CHS	Liberty	29 min
Mar 24, 5:11 PM EDT	Special Marine Warning	CHS		23 min
Mar 24, 9:19 AM EDT	Special Weather Statement	CHS	Berkeley	26 min
Mar 24, 1:13 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Colleton, Jasper	62 min
Mar 24, 1:27 PM EDT	Special Weather Statement	CHS	Hampton	33 min
Mar 24, 1:59 PM EDT	Special Weather Statement	CHS	Beaufort	46 min
Mar 24, 2:06 PM EDT	Special Weather Statement	CHS	Colleton	39 min
Mar 24, 2:13 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Charleston, Colleton, Dorchester, Jasper	62 min
Mar 24, 2:36 PM EDT	Tornado Warning	CHS	Charleston, Colleton, Dorchester	23 min
Mar 24, 2:44 PM EDT	Special Weather Statement	CHS	Berkeley	61 min
Mar 24, 3:15 PM EDT	Special Weather Statement	CHS	Charleston	60 min
Mar 24, 3:44 PM EDT	Special Weather Statement	CHS	Berkeley	46 min
Mar 24, 4:24 PM EDT	Special Weather Statement	CHS	Georgetown	21 min

Nearby

Special Weather Statements in Georgia, 2012 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.