Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Charleston, SC

May 17, 2012Jenkins County, Georgia

NWS Charleston, SC issued this special weather statement at May 17, 2012, 6:19 PM EDT for Jenkins County, Georgia. It was in force for 41 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 17, 2012, 6:19 PM EDT (22:19 UTC)
Expired: May 17, 2012, 7:00 PM EDT
In force: 41 min
Issued by: NWS Charleston, SC

County Jenkins County, GA

The radar

The Charleston,SC radar (KCLX), 82 km from the middle of the area, began a volume at 22:20 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, 10.3 hours before the alert went out and 176 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: 1254 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 592 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: -19 m²/s²
0-3 km storm-relative helicity: 1 m²/s²
Significant tornado parameter: -0.1
Supercell composite: -0.8

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 17, 4:16 PM EDT, 2 hours 3 minutes earlier.

Area forecast discussion, May 17, 4:16 PM EDT, 2 hours 3 minutes before

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Hazardous weather outlook, May 17, 3:12 PM EDT, 3 hours 7 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON SC
312 PM EDT THU MAY 17 2012

GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-047>052-181915-
JENKINS-SCREVEN-CANDLER-BULLOCH-EFFINGHAM-TATTNALL-EVANS-
INLAND BRYAN-COASTAL BRYAN-INLAND CHATHAM-COASTAL CHATHAM-LONG-
INLAND LIBERTY-COASTAL LIBERTY-INLAND MCINTOSH-COASTAL MCINTOSH-
ALLENDALE-HAMPTON-INLAND COLLETON-DORCHESTER-INLAND BERKELEY-
INLAND JASPER-BEAUFORT-COASTAL COLLETON-CHARLESTON-COASTAL JASPER-
TIDAL BERKELEY-
312 PM EDT THU MAY 17 2012

...ISOLATED SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST GEORGIA AND
SOUTHEAST SOUTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED TO NUMEROUS THUNDERSTORMS WILL CONTINUE TO DEVELOP
ACROSS SOUTHERN SOUTH CAROLINA AND SOUTHEAST GEORGIA THIS
AFTERNOON AND CONTINUE INTO THE EVENING. A FEW STORMS MAY BECOME
SEVERE AND PRODUCE HAIL QUARTER SIZE OR LARGER AND WIND GUSTS IN
EXCESS OF 58 MPH. DUE TO THE SLOW MOVEMENT OF THE STORMS...
TORRENTIAL RAINFALL COULD RESULT IN MINOR FLOODING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

RIP CURRENTS...MODERATE ONSHORE FLOW AND SMALL SWELLS WILL LEAD TO
AN ELEVATED RISK FOR RIP CURRENTS THIS WEEKEND INTO EARLY NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO RELAY REPORTS OF SEVERE WEATHER TO THE
NATIONAL WEATHER SERVICE IN CHARLESTON SC.

AMZ330-350-352-354-374-181915-
CHARLESTON HARBOR-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM...INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
312 PM EDT THU MAY 17 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, May 17, 4:18 PM EDT, 2 hours 1 minute before

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Special weather statement, May 17, 4:23 PM EDT, 1 hour 56 minutes before

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Local storm report, May 17, 4:24 PM EDT, 1 hour 55 minutes before

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Local storm report, May 17, 4:26 PM EDT, 1 hour 53 minutes before

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Local storm report, May 17, 5:30 PM EDT, 49 minutes before

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Special weather statement, May 17, 6:19 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 17, 1:09 AM EDT	Special Marine Warning	CHS		111 min
May 17, 2:52 AM EDT	Special Marine Warning	CHS		93 min
May 17, 2:40 PM EDT	Special Weather Statement	CHS	McIntosh	35 min
May 17, 2:44 PM EDT	Special Weather Statement	CHS	Bryan	31 min
May 17, 2:56 PM EDT	Severe Thunderstorm Warning	CHS	McIntosh	47 min
May 17, 2:59 PM EDT	Special Weather Statement	CHS	Effingham	31 min
May 17, 3:29 PM EDT	Special Marine Warning	CHS		61 min
May 17, 3:39 PM EDT	Special Weather Statement	CHS	Chatham	36 min
May 17, 3:45 PM EDT	Special Weather Statement	CHS	Effingham	30 min
May 17, 3:53 PM EDT	Small Craft Advisory	CHS		4 days
May 17, 3:53 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch, Effingham	67 min
May 17, 4:23 PM EDT	Special Weather Statement	CHS	Chatham	37 min
May 17, 4:45 PM EDT	Areal Flood Advisory	CHS	Chatham	60 min
May 17, 4:51 PM EDT	Severe Thunderstorm Warning	CHS	Bulloch, Candler, Evans, Screven	54 min
May 17, 7:27 PM EDT	Special Weather Statement	CHS	Long	33 min
May 16, 8:03 PM EDT	Areal Flood Advisory	CHS	Berkeley	42 min
May 16, 8:27 PM EDT	Flash Flood Warning	CHS	Berkeley	2 hr
May 16, 9:20 PM EDT	Areal Flood Advisory	CHS	Charleston	2 hr
May 17, 1:25 AM EDT	Special Weather Statement	CHS	Charleston	50 min
May 17, 2:11 AM EDT	Areal Flood Advisory	CHS	Berkeley, Charleston	3 hr
May 17, 3:19 AM EDT	Special Weather Statement	CHS	Charleston	26 min
May 17, 4:35 AM EDT	Areal Flood Advisory	CHS	Charleston	115 min
May 17, 12:53 PM EDT	Special Weather Statement	CHS	Berkeley	37 min
May 17, 1:12 PM EDT	Areal Flood Advisory	CHS	Berkeley, Dorchester	93 min
May 17, 1:25 PM EDT	Special Weather Statement	CHS	Dorchester	65 min
May 17, 1:29 PM EDT	Special Weather Statement	CHS	Hampton	61 min
May 17, 2:12 PM EDT	Areal Flood Advisory	CHS	Berkeley, Charleston, Colleton, Dorchester	93 min
May 17, 2:32 PM EDT	Special Weather Statement	CHS	Colleton, Hampton	58 min
May 17, 2:49 PM EDT	Special Weather Statement	CHS	Jasper	56 min
May 17, 3:04 PM EDT	Severe Thunderstorm Warning	CHS	Charleston, Colleton	17 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.