Alert archive / South Carolina / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 64, NWS Wilmington, NC

July 15, 2014Florence County, Marion County, South Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Jul 15, 2014, 3:34 PM EDT for Florence County, Marion County, South Carolina. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 15, 2014, 3:34 PM EDT (19:34 UTC)
Expired: Jul 15, 2014, 4:12 PM EDT
In force: 38 min
Issued by: NWS Wilmington, NC
Area: Storm-based polygon

Counties Florence County, SC, Marion County, SC

The radar

The Wilmington radar (KLTX), 102 km from the middle of the area, began a volume at 19:34 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, 7.6 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: 987 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 1061 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: 11 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 15, 3:31 PM EDT, 3 minutes earlier.

Area forecast discussion, Jul 15, 3:31 PM EDT, 3 minutes before

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Hazardous weather outlook, Jul 15, 3:32 PM EDT, 2 minutes before

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In the hours before

Special weather statement, Jul 15, 2:21 PM EDT, 1 hour 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
221 PM EDT TUE JUL 15 2014

NCZ105>108-151915-
COASTAL NEW HANOVER-COASTAL PENDER-INLAND NEW HANOVER-INLAND PENDER-
221 PM EDT TUE JUL 15 2014

...STRONG THUNDERSTORMS WILL MOVE ACROSS NEW HANOVER AND PENDER
COUNTIES THROUGH 315 PM EDT...

AT 221 PM EDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS 10 MILES
WEST OF SILVER LAKE...OR ABOUT 5 MILES SOUTHWEST OF LELAND...MOVING
EAST AT 30 MPH.

SOME LOCATIONS IMPACTED INCLUDE CAROLINA BEACH...WILMINGTON...
BAYSHORE...CASTLE HAYNE...EDGECOMB...HAMPSTEAD...MASONBORO...MYRTLE
GROVE...OGDEN...SCOTTS HILL...SEAGATE AND SILVER LAKE.

HAZARDS INCLUDE...
PEA SIZE HAIL.
GUSTY WINDS OF 30 TO 40 MPH.
FREQUENT CLOUD TO GROUND LIGHTNING.
HEAVY RAINFALL AND MINOR FLOODING.

THUNDERSTORMS CAN POSE A VARIETY OF THREATS INCLUDING GUSTY WINDS...
SMALL HAIL...CLOUD TO GROUND LIGHTNING...AND LOCALIZED FLOODING. IT
IS RECOMMENDED THAT YOU REMAIN INDOORS UNTIL THE STORMS PASS.

&&

LAT...LON 3444 7751 3428 7774 3412 7785 3405 7787
      3402 7792 3413 7794 3418 7796 3424 7796
      3426 7799 3427 7800 3428 7799 3429 7801
      3432 7800 3432 7802 3434 7803 3448 7757
TIME...MOT...LOC 1821Z 260DEG 28KT 3420 7799

ZOUZIAS

Local storm report, Jul 15, 2:39 PM EDT, 55 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON NC
239 PM EDT TUE JUL 15 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0103 PM     TSTM WND DMG     4 W NAKINA              34.14N  78.74W
07/15/2014                   COLUMBUS           NC   PUBLIC

            MEDIA RELAYED VIEWER REPORT OF TREES DOWN ON FURNIE
            HAMMOND ROAD. TIME ESTIMATED BASED ON RADAR.

&&

EVENT NUMBER ILM1400283

REINHART

Special weather statement, Jul 15, 2:45 PM EDT, 49 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
245 PM EDT TUE JUL 15 2014

NCZ087-SCZ024-151945-
DILLON-ROBESON-
245 PM EDT TUE JUL 15 2014

...STRONG THUNDERSTORMS WILL MOVE ACROSS DILLON AND ROBESON COUNTIES
THROUGH 345 PM EDT...

AT 245 PM EDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS OVER
LITTLE ROCK...OR ABOUT 6 MILES NORTH OF DILLON...MOVING EAST AT 30
MPH. OTHER STRONG STORMS EXTEND SOUTH OF THIS STRONG STORM.

SOME LOCATIONS IMPACTED INCLUDE DILLON...LUMBERTON...ALMA...BARKER
TEN MILE...BARNESVILLE...BUIE...ELROD...FAIRMONT...HAMER...
HESTERTOWN...HOWELLSVILLE AND LITTLE ROCK.

HAZARDS INCLUDE...
PEA SIZE HAIL.
GUSTY WINDS OF 40 TO 50 MPH.
FREQUENT CLOUD TO GROUND LIGHTNING.
HEAVY RAINFALL AND MINOR FLOODING.

THUNDERSTORMS CAN POSE A VARIETY OF THREATS INCLUDING GUSTY WINDS...
SMALL HAIL...CLOUD TO GROUND LIGHTNING...AND LOCALIZED FLOODING. IT
IS RECOMMENDED THAT YOU REMAIN INDOORS UNTIL THE STORMS PASS.

&&

LAT...LON 3488 7899 3456 7885 3454 7886 3450 7885
      3446 7890 3445 7895 3443 7897 3437 7910
      3434 7944 3467 7943 3473 7937
TIME...MOT...LOC 1845Z 260DEG 28KT 3452 7929

ZOUZIAS

Special weather statement, Jul 15, 2:51 PM EDT, 43 minutes before

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Special weather statement, Jul 15, 3:01 PM EDT, 33 minutes before

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Local storm report, Jul 15, 3:15 PM EDT, 19 minutes before

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The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 15, 12:43 PM EDT	Special Weather Statement	ILM	Bladen, Columbus	62 min
Jul 15, 12:48 PM EDT	Special Weather Statement	ILM	Pender	57 min
Jul 15, 1:01 PM EDT	Severe Thunderstorm Warning	ILM	Columbus	59 min
Jul 15, 1:51 PM EDT	Special Weather Statement	ILM	Brunswick	54 min
Jul 15, 2:07 PM EDT	Special Weather Statement	ILM	Pender	53 min
Jul 15, 2:17 PM EDT	Special Weather Statement	ILM	Pender	58 min
Jul 15, 2:21 PM EDT	Special Weather Statement	ILM	New Hanover	54 min
Jul 15, 2:34 PM EDT	Severe Thunderstorm Warning	ILM	Columbus	56 min
Jul 15, 2:45 PM EDT	Special Weather Statement	ILM	Robeson	60 min
Jul 15, 4:07 PM EDT	Special Weather Statement	ILM	New Hanover	53 min
Jul 15, 4:30 PM EDT	Areal Flood Advisory	ILM	Brunswick, New Hanover	2 hr
Jul 15, 5:36 PM EDT	Special Weather Statement	ILM	New Hanover	54 min
Jul 15, 5:55 PM EDT	Small Craft Advisory	ILM		12 hr
Jul 15, 12:12 PM EDT	Special Weather Statement	ILM	Horry	63 min
Jul 15, 12:26 PM EDT	Severe Thunderstorm Warning	ILM	Horry	64 min
Jul 15, 2:03 PM EDT	Special Weather Statement	ILM	Dillon, Marion	57 min
Jul 15, 2:51 PM EDT	Special Weather Statement	ILM	Georgetown, Horry	54 min
Jul 15, 3:01 PM EDT	Special Weather Statement	ILM	Florence	59 min
Jul 15, 6:02 PM EDT	Special Weather Statement	ILM	Georgetown, Williamsburg	58 min
Jul 15, 6:21 PM EDT	Areal Flood Advisory	ILM	Florence, Horry, Marion	84 min
Jul 15, 7:10 PM EDT	Special Weather Statement	ILM	Georgetown, Williamsburg	65 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2014 Every severe thunderstorm warning in 2014

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.