Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Charleston, SC

July 26, 2012Tattnall County, Georgia

NWS Charleston, SC issued this special weather statement at Jul 26, 2012, 3:12 PM EDT for Tattnall County, Georgia. It was in force for 33 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 26, 2012, 3:12 PM EDT (19:12 UTC)
Expired: Jul 26, 2012, 3:45 PM EDT
In force: 33 min
Issued by: NWS Charleston, SC

County Tattnall County, GA

The radar

The Charleston,SC radar (KCLX), 111 km from the middle of the area, began a volume at 19:14 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, 7.2 hours before the alert went out and 187 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: 1148 J/kg
Mixed-layer CIN: -68 J/kg
Mixed-layer LCL: 804 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 14 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 Jul 26, 1:56 PM EDT, 1 hour 16 minutes earlier.

Area forecast discussion, Jul 26, 1:56 PM EDT, 1 hour 16 minutes before

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Hazardous weather outlook, Jul 26, 5:10 AM EDT, 10 hours 2 minutes before

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In the hours before

Special weather statement, Jul 26, 3:12 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
312 PM EDT THU JUL 26 2012

GAZ114-261945-
TATTNALL-
312 PM EDT THU JUL 26 2012

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

AT 309 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM...NEAR REIDSVILLE...MOVING NORTHEAST AT 15 MPH.

SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
COLLINS...GORDONIA ALTAMAHA STATE PARK...MANASSAS AND REIDSVILLE...

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAVE AN ACTION PLAN READY IN THE EVENT THIS STORM STRENGTHENS OR A
WARNING IS ISSUED. CONTINUE TO MONITOR NOAA WEATHER RADIO ALL HAZARDS
FOR THE LATEST WEATHER INFORMATION.

&&

LAT...LON 3216 8216 3223 8202 3222 8201 3215 8199
      3208 8198 3207 8215
TIME...MOT...LOC 1913Z 246DEG 15KT 3213 8208

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 3:22 AM EDT	Heat Advisory	CHS	Bulloch, Candler, Effingham, Evans, Jenkins, Long and 2 more	17 hr
Jul 26, 5:19 PM EDT	Special Weather Statement	CHS	Evans	26 min
Jul 26, 5:59 PM EDT	Special Weather Statement	CHS	Screven	31 min
Jul 26, 3:17 PM EDT	Special Weather Statement	CHS	Hampton	28 min
Jul 26, 3:54 PM EDT	Special Weather Statement	CHS	Hampton	36 min
Jul 26, 4:21 PM EDT	Special Weather Statement	CHS	Hampton	24 min
Jul 26, 4:36 PM EDT	Severe Thunderstorm Warning	CHS	Hampton	24 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.