Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Charleston, SC

May 31, 2012Effingham County, Georgia

NWS Charleston, SC issued this special weather statement at May 31, 2012, 1:35 PM EDT for Effingham County, Georgia. It was in force for 40 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: May 31, 2012, 1:35 PM EDT (17:35 UTC)
Expired: May 31, 2012, 2:15 PM EDT
In force: 40 min
Issued by: NWS Charleston, SC

County Effingham County, GA

The radar

The Charleston,SC radar (KCLX), 47 km from the middle of the area, began a volume at 17:37 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, 5.6 hours before the alert went out and 135 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: 50 J/kg
Mixed-layer CIN: -130 J/kg
Mixed-layer LCL: 1673 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: -68 m²/s²
0-3 km storm-relative helicity: -37 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.

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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 May 31, 10:36 AM EDT, 2 hours 59 minutes earlier.

Area forecast discussion, May 31, 10:36 AM EDT, 2 hours 59 minutes before

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Hazardous weather outlook, May 31, 3:53 AM EDT, 9 hours 42 minutes before

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In the hours before

Special weather statement, May 31, 1:35 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
135 PM EDT THU MAY 31 2012

GAZ101-116-118-SCZ047-048-051-311815-
BEAUFORT-COASTAL JASPER-EFFINGHAM-INLAND BRYAN-INLAND CHATHAM-INLAND
JASPER-
135 PM EDT THU MAY 31 2012

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF EFFINGHAM...BRYAN...
JASPER...CHATHAM AND BEAUFORT COUNTIES THROUGH 215 PM EDT...

AT 133 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM...NEAR BLOOMINGDALE...MOVING NORTHEAST AT 10 MPH.

SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
BLOOMINGDALE...GARDEN CITY...I-16/I-95 INTERCHANGE...MEINHARD...
MELDRIM...MONTEITH...POOLER...PORT WENTWORTH...RINCON...SAVANNAH
AIRPORT...STILLWELL...HARDEEVILLE AND PURYSBURGH...

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3241 8126 3228 8098 3205 8121 3214 8141
TIME...MOT...LOC 1735Z 213DEG 8KT 3216 8126

BSH

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 8:29 PM EDT	Special Weather Statement	CHS	Effingham	61 min
May 30, 11:59 PM EDT	Special Marine Warning	CHS		91 min
May 31, 1:37 PM EDT	Severe Thunderstorm Warning	CHS	Bryan, Chatham, Effingham	53 min
May 31, 2:12 PM EDT	Severe Thunderstorm Warning	CHS	Bryan, Chatham, Effingham, Liberty	48 min
May 31, 3:54 PM EDT	Small Craft Advisory	CHS		28 hr
May 31, 4:01 PM EDT	Special Weather Statement	CHS	Long	44 min
May 31, 4:29 PM EDT	Severe Thunderstorm Warning	CHS	Liberty, Long, McIntosh	42 min
May 31, 5:53 PM EDT	Special Weather Statement	CHS	Candler	52 min
May 31, 5:55 PM EDT	Special Weather Statement	CHS	Jenkins	50 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.