Alert archive / South Carolina / Special Weather Statements in 2016

Special Weather Statement, NWS Charleston, SC

May 2, 2016Allendale County, South Carolina

NWS Charleston, SC issued this special weather statement at May 2, 2016, 5:10 PM EDT for Allendale County, South Carolina. It was in force for 35 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 2, 2016, 5:10 PM EDT (21:10 UTC)
Expired: May 2, 2016, 5:45 PM EDT
In force: 35 min
Issued by: NWS Charleston, SC

County Allendale County, SC

The radar

The Charleston,SC radar (KCLX), 54 km from the middle of the area, began a volume at 21:12 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, 9.2 hours before the alert went out and 134 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: 535 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 819 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 30 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted.

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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 2, 4:08 PM EDT, 1 hour 2 minutes earlier.

Area forecast discussion, May 2, 4:08 PM EDT, 1 hour 2 minutes before

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Hazardous weather outlook, May 2, 4:08 PM EDT, 1 hour 2 minutes before

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In the hours before

Local storm report, May 2, 11:31 AM EDT, 5 hours 39 minutes before

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Special weather statement, May 2, 3:43 PM EDT, 1 hour 27 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
343 PM EDT MON MAY 2 2016

SCZ047-051-022015-
INLAND JASPER SC-COASTAL JASPER SC-
343 PM EDT MON MAY 2 2016

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF JASPER COUNTY UNTIL
415 PM EDT...

AT 342 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER RIDGELAND...MOVING NORTH AT 20 MPH.

  HAZARD...STRONG WINDS 45 TO 55 MPH.

  IMPACT...EXPECT MINOR DAMAGE TO TREE LIMBS AND BLOWING AROUND OF
           LIGHT...UNSECURED OBJECTS.

SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE...
RIDGELAND...COOSAWHATCHIE...GRAHAMVILLE...OLD HOUSE...GILLISONVILLE AND
GRAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REPORT DAMAGE DIRECTLY TO THE CHARLESTON NATIONAL WEATHER SERVICE AT
1-888-383-2024 WHEN IT IS SAFE TO DO SO. YOU CAN ALSO EMAIL YOUR
REPORT TO NWS.CHARLESTONSC@NOAA.GOV.

&&

LAT...LON 3274 8100 3269 8095 3265 8096 3264 8096
      3262 8090 3266 8087 3261 8083 3255 8083
      3253 8085 3250 8082 3245 8083 3242 8085
      3245 8108 3267 8112 3274 8103
TIME...MOT...LOC 1942Z 186DEG 16KT 3252 8097

JMC

Special weather statement, May 2, 4:09 PM EDT, 1 hour 1 minute before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
409 PM EDT MON MAY 2 2016

GAZ101-SCZ047-022045-
EFFINGHAM GA-INLAND JASPER SC-
409 PM EDT MON MAY 2 2016

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF EFFINGHAM AND JASPER
COUNTIES UNTIL 445 PM EDT...

AT 409 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER PURYSBURGH...OR 11 MILES EAST OF
SPRINGFIELD...MOVING NORTH AT 20 MPH.

  HAZARD...STRONG WINDS 45 TO 55 MPH.

  IMPACT...EXPECT MINOR DAMAGE TO TREE LIMBS AND BLOWING AROUND OF
           LIGHT...UNSECURED OBJECTS.

SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE...
RINCON...HARDEEVILLE...TARBORO...PURYSBURGH...TILLMAN...STILLWELL...
EBENEZER AND CLYO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REPORT DAMAGE DIRECTLY TO THE CHARLESTON NATIONAL WEATHER SERVICE AT
1-888-383-2024 WHEN IT IS SAFE TO DO SO. YOU CAN ALSO EMAIL YOUR
REPORT TO NWS.CHARLESTONSC@NOAA.GOV.

&&

LAT...LON 3226 8104 3224 8121 3251 8134 3256 8109
TIME...MOT...LOC 2009Z 169DEG 18KT 3232 8113

JMC

Special weather statement, May 2, 5:10 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
510 PM EDT MON MAY 2 2016

GAZ088-SCZ040-022145-
SCREVEN GA-ALLENDALE SC-
510 PM EDT MON MAY 2 2016

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF SCREVEN AND ALLENDALE
COUNTIES UNTIL 545 PM EDT...

AT 509 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER BURTONS FERRY LANDING...OR 13 MILES SOUTHWEST
OF ALLENDALE...MOVING NORTHEAST AT 15 MPH.

  HAZARD...STRONG WINDS 45 TO 55 MPH AND UP TO PENNY SIZED HAIL.

  IMPACT...EXPECT MINOR DAMAGE TO TREE LIMBS AND BLOWING AROUND OF
           LIGHT...UNSECURED OBJECTS. MINOR HAIL DAMAGE TO PLANTS...
           TREES AND CROPS IS POSSIBLE. DAMAGE TO WINDSHIELDS IS
           UNLIKELY.

SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE...
ALLENDALE...BURTONS FERRY LANDING...APPLETON...MARTIN AND BARTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REPORT DAMAGE DIRECTLY TO THE CHARLESTON NATIONAL WEATHER SERVICE AT
1-888-383-2024 WHEN IT IS SAFE TO DO SO. YOU CAN ALSO EMAIL YOUR
REPORT TO NWS.CHARLESTONSC@NOAA.GOV.

&&

LAT...LON 3312 8140 3312 8138 3292 8124 3279 8150
      3295 8166 3313 8143
TIME...MOT...LOC 2109Z 230DEG 14KT 3291 8151

JMC

The office that day

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

Issued	Product	Office	Counties	Lasted
May 2, 3:43 PM EDT	Special Weather Statement	CHS	Jasper	32 min
May 2, 5:51 PM EDT	Areal Flood Advisory	CHS	Allendale	54 min
May 2, 6:02 PM EDT	Special Weather Statement	CHS	Allendale	28 min
May 2, 4:09 PM EDT	Special Weather Statement	CHS	Effingham	36 min
May 2, 5:53 PM EDT	Special Weather Statement	CHS	Bulloch	37 min

Nearby

Special Weather Statements in South Carolina, 2016 Every special weather statement in 2016

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.