Alert archive / South Carolina / Heat Advisories in 2016

Heat Advisory 4, NWS Wilmington, NC

July 6, 20164 counties in North Carolina; 5 counties in South Carolina

NWS Wilmington, NC issued this heat advisory at Jul 6, 2016, 9:07 PM EDT for 4 counties in North Carolina; 5 counties in South Carolina. It took effect at Jul 7, 2016, 12:00 PM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Jul 6, 2016, 9:07 PM EDT (01:07 UTC)
In effect from: Jul 7, 2016, 12:00 PM EDT
Expired: Jul 7, 2016, 6:26 PM EDT
In force: 6 hr
Issued by: NWS Wilmington, NC

Counties Brunswick County, NC, Columbus County, NC, New Hanover County, NC, Pender County, NC, Florence County, SC, Georgetown County, SC, Horry County, SC, Marion County, SC, Williamsburg County, SC

The radar

The Wilmington radar (KLTX), 39 km from the middle of the area, began a volume at 01:10 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 1.1 hours before the alert went out and 250 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: 846 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 1404 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 39 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 heat advisory 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 heat advisory went out at Jul 6, 8:29 PM EDT, 38 minutes earlier.

Area forecast discussion, Jul 6, 8:29 PM EDT, 38 minutes before

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Hazardous weather outlook, Jul 6, 7:37 PM EDT, 1 hour 30 minutes before

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In the hours before

Special weather statement, Jul 6, 6:20 PM EDT, 2 hours 47 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
620 PM EDT WED JUL 6 2016

SCZ033-053-054-062300-
MARION SC-COASTAL HORRY SC-INLAND HORRY SC-
620 PM EDT WED JUL 6 2016

...SPECIAL WEATHER STATEMENT FOR WESTERN HORRY AND EASTERN MARION
COUNTIES UNTIL 700 PM EDT...

AT 619 PM EDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS EXTENDING FROM SMITHBORO TO GALIVANTS FERRY AND
BRITTONS NECK...MOVING EAST AT 30 MPH.

WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH THESE STORMS ALONG
WITH SOME CLOUD TO GROUND LIGHTNING.

LOCATIONS IMPACTED INCLUDE...
MULLINS...DONGOLA...SMITHBORO...GALIVANTS FERRY...BRITTONS NECK...
BUCKSVILLE...RAINS...GAPWAY...PEE DEE CROSSROADS...AND ADRIAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3369 7917 3371 7920 3369 7925 3371 7924
      3372 7929 3380 7933 3383 7932 3383 7934
      3429 7939 3429 7935 3427 7931 3428 7929
      3425 7924 3426 7921 3428 7918 3425 7913
      3428 7909 3428 7905 3423 7899 3367 7895
TIME...MOT...LOC 2218Z 247DEG 25KT 3425 7932 3395 7929 3373 7927

SRP

Special weather statement, Jul 6, 6:25 PM EDT, 2 hours 42 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
625 PM EDT WED JUL 6 2016

NCZ087-099-SCZ024-062330-
COLUMBUS NC-ROBESON NC-DILLON SC-
625 PM EDT WED JUL 6 2016

...SPECIAL WEATHER STATEMENT FOR WESTERN COLUMBUS...ROBESON AND
EASTERN DILLON COUNTIES UNTIL 730 PM EDT...

AT 625 PM EDT...DOPPLER RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS EXTENDING FROM NEAR TATUM TO LITTLE ROCK...AND
FORK...MOVING EAST AND NORTHEAST AT 30 MPH.

WINDS IN EXCESS OF 40 MPH AND FREQUENT CLOUD TO GROUND LIGHTNING
WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
LUMBERTON...DILLON...RED SPRINGS...PEMBROKE...FAIRMONT...MAXTON...
CHADBOURN...ROWLAND...FAIR BLUFF...LAKE VIEW...BOARDMAN...KEMPER...
LITTLE ROCK...FORK...HAMER...WAKULLA...ELROD...AND RAEMON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3458 7884 3457 7886 3451 7884 3448 7887
      3446 7883 3446 7879 3430 7874 3427 7903
      3430 7907 3426 7912 3429 7917 3427 7920
      3428 7932 3456 7949 3467 7942 3477 7933
      3482 7936 3484 7935 3483 7919 3489 7912
TIME...MOT...LOC 2223Z 265DEG 25KT 3468 7951 3453 7938 3426 7927

SRP

Special weather statement, Jul 6, 7:05 PM EDT, 2 hours 2 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
705 PM EDT WED JUL 6 2016

SCZ056-062345-
COASTAL GEORGETOWN SC-
705 PM EDT WED JUL 6 2016

...SPECIAL WEATHER STATEMENT FOR SOUTHEASTERN GEORGETOWN COUNTY UNTIL
745 PM EDT...

AT 704 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
OVER NORTH SANTEE...MOVING NORTHEAST AT 20 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM ALONG
WITH FREQUENT CLOUD TO GROUND LIGHTNING.

LOCATIONS IMPACTED INCLUDE...
YAWKEY SOUTH ISLAND...WINYAH BAY ENTRANCE AND NORTH SANTEE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3314 7927 3314 7928 3315 7932 3315 7935
      3318 7940 3321 7943 3321 7945 3332 7938
      3336 7915 3325 7918 3320 7917 3316 7920
      3314 7924 3312 7925 3312 7927
TIME...MOT...LOC 2304Z 256DEG 18KT 3320 7939

SRP

Special weather statement, Jul 6, 7:08 PM EDT, 1 hour 59 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
708 PM EDT WED JUL 6 2016

NCZ096-099-062345-
COLUMBUS NC-BLADEN NC-
708 PM EDT WED JUL 6 2016

...SPECIAL WEATHER STATEMENT FOR SOUTHWESTERN BLADEN AND NORTHERN
COLUMBUS COUNTIES UNTIL 745 PM EDT...

AT 707 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
WHITEVILLE...MOVING NORTHEAST AT 30 MPH.

WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH THIS STORM ALONG
WITH SOME CLOUD TO GROUND LIGHTNING.

LOCATIONS IMPACTED INCLUDE...
WHITEVILLE...CHADBOURN...BLADENBORO...LAKE WACCAMAW...COUNCIL...
HALLSBORO...ABBOTTSBURG...KELLY...NAKINA...EVERGREEN...
ELKTON AND CARVERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3443 7823 3422 7851 3407 7877 3442 7894
      3446 7890 3448 7887 3450 7886 3450 7885
      3451 7885 3475 7861
TIME...MOT...LOC 2307Z 239DEG 27KT 3432 7870

SRP

Local storm report, Jul 6, 7:48 PM EDT, 1 hour 19 minutes before

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Local storm report, Jul 6, 8:44 PM EDT, 23 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 7, 3:37 PM EDT	Small Craft Advisory	ILM		12 hr
Jul 7, 6:10 PM EDT	Severe Thunderstorm Warning	ILM	Columbus	50 min
Jul 7, 6:41 PM EDT	Severe Thunderstorm Warning	ILM	Brunswick, Columbus	34 min
Jul 7, 6:55 PM EDT	Special Marine Warning	ILM		2 hr
Jul 7, 7:18 PM EDT	Severe Thunderstorm Warning	ILM	Brunswick, New Hanover	42 min
Jul 7, 7:50 PM EDT	Special Marine Warning	ILM		25 min
Jul 7, 7:57 PM EDT	Heat Advisory	ILM	Bladen, Brunswick, Columbus, New Hanover, Pender, Robeson	23 hr
Jul 7, 4:49 PM EDT	Special Weather Statement	ILM	Darlington	41 min
Jul 7, 4:58 PM EDT	Severe Thunderstorm Warning	ILM	Darlington, Florence	47 min
Jul 7, 5:15 PM EDT	Severe Thunderstorm Warning	ILM	Florence	45 min
Jul 7, 5:25 PM EDT	Special Weather Statement	ILM	Marlboro	35 min
Jul 7, 5:33 PM EDT	Severe Thunderstorm Warning	ILM	Marlboro	27 min
Jul 7, 5:37 PM EDT	Severe Thunderstorm Warning	ILM	Dillon, Florence, Marion	38 min
Jul 7, 6:00 PM EDT	Severe Thunderstorm Warning	ILM	Florence, Horry, Marion	45 min

Nearby

Heat Advisories in South Carolina, 2016 Heat Advisories in North Carolina, 2016 Every heat advisory 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.