Alert archive / South Carolina / Heat Advisories in 2016

Heat Advisory 1, NWS Wilmington, NC

July 3, 20168 counties in South Carolina

NWS Wilmington, NC issued this heat advisory at Jul 3, 2016, 3:12 AM EDT for 8 counties in South Carolina. It took effect at Jul 3, 2016, 12:00 PM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jul 3, 2016, 3:12 AM EDT (07:12 UTC)
In effect from
Jul 3, 2016, 12:00 PM EDT
Expired
Jul 3, 2016, 6:00 PM EDT
In force
6 hr
Issued by
NWS Wilmington, NC

Counties Darlington County, SC, Dillon County, SC, Florence County, SC, Georgetown County, SC, Horry County, SC, Marion County, SC, Marlboro County, SC, Williamsburg County, SC

The radar

The Wilmington radar (KLTX), 100 km from the middle of the area, began a volume at 07:15 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, 7.2 hours before the alert went out and 229 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 00:00Z on 2016-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 559 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 2016-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
559 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
1433 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
205 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.7

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 3, 3:05 AM EDT, 7 minutes earlier.

Area forecast discussion, Jul 3, 3:05 AM EDT, 7 minutes before
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Hazardous weather outlook, Jul 2, 4:30 PM EDT, 10 hours 42 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON NC
430 PM EDT SAT JUL 2 2016

NCZ087-096-099-105-109-SCZ017-023-024-032-033-039-053-055-032030-
ROBESON-BLADEN-COLUMBUS-INLAND PENDER-INLAND BRUNSWICK-MARLBORO-
DARLINGTON-DILLON-FLORENCE-MARION-WILLIAMSBURG-INLAND HORRY-
INLAND GEORGETOWN-
430 PM EDT SAT JUL 2 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NORTH CAROLINA AND
NORTHEAST SOUTH CAROLINA.

.DAY ONE...TONIGHT.

STRONG THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON AND EVENING.

HEAT INDEX VALUES WILL BE NEAR 100 DEGREES FOR AN HOUR OR TWO THIS
AFTERNOON.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

STRONG THUNDERSTORMS WILL BE POSSIBLE SUNDAY AFTERNOON AND
EVENING.

AFTERNOON HEAT INDEX VALUES WILL BE UP TO 103 DEGREES SUNDAY AND
AROUND 105 DEGREES FOR MUCH OF NEXT WEEK. HEAT ADVISORIES MAY BE
REQUIRED NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ106-108-SCZ056-032030-
COASTAL PENDER-COASTAL NEW HANOVER-COASTAL GEORGETOWN-
430 PM EDT SAT JUL 2 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NORTH CAROLINA AND
NORTHEAST SOUTH CAROLINA.

.DAY ONE...TONIGHT.

THE EARLY EVENING HIGH TIDE WILL BE ELEVATED WITH WATER COMING
WELL UP ONTO THE BEACH...BUT MINOR COASTAL FLOOD THRESHOLDS ARE
NOT EXPECTED TO BE REACHED.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

STRONG THUNDERSTORMS WILL BE POSSIBLE SUNDAY AFTERNOON AND EVENING.

AFTERNOON HEAT INDEX VALUES WILL BE NEAR 100 DEGREES SUNDAY AND
AROUND 100 DEGREES FOR MUCH OF NEXT WEEK...POSSIBLY UP TO 105 MID
WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ110-SCZ054-032030-
COASTAL BRUNSWICK-COASTAL HORRY-
430 PM EDT SAT JUL 2 2016

...MODERATE RISK OF RIP CURRENTS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
...MODERATE RISK OF RIP CURRENTS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NORTH CAROLINA AND
NORTHEAST SOUTH CAROLINA.

.DAY ONE...TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   MODERATE RISK OF RIP CURRENTS.

THE EARLY EVENING HIGH TIDE WILL BE ELEVATED WITH WATER COMING
WELL UP ONTO THE BEACH...BUT MINOR COASTAL FLOOD THRESHOLDS ARE
NOT EXPECTED TO BE REACHED.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   MODERATE RISK OF RIP CURRENTS.

STRONG THUNDERSTORMS WILL BE POSSIBLE SUNDAY AFTERNOON AND EVENING.

AFTERNOON HEAT INDEX VALUES WILL BE NEAR 100 DEGREES SUNDAY AND
AROUND 100 DEGREES FOR MUCH OF NEXT WEEK...POSSIBLY UP TO 105 MID
WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ107-032030-
INLAND NEW HANOVER-
430 PM EDT SAT JUL 2 2016

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NORTH CAROLINA.

.DAY ONE...TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   COASTAL FLOOD ADVISORY.

STRONG THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON AND EVENING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

STRONG THUNDERSTORMS WILL BE POSSIBLE SUNDAY AFTERNOON AND EVENING.

AFTERNOON HEAT INDEX VALUES WILL BE NEAR 100 DEGREES SUNDAY AND
AROUND 100 DEGREES FOR MUCH OF NEXT WEEK...POSSIBLY UP TO 105 MID
WEEK.

MINOR COASTAL FLOODING ALONG PORTIONS OF THE LOWER CAPE FEAR RIVER
IS LIKELY DURING THE NIGHTTIME HIGH TIDE EARLY NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

AMZ250-252-254-256-032030-
COASTAL WATERS FROM SURF CITY TO CAPE FEAR NC OUT 20 NM-
COASTAL WATERS FROM CAPE FEAR NC TO LITTLE RIVER INLET SC OUT 20 NM-
COASTAL WATERS FROM LITTLE RIVER INLET TO MURRELLS INLET SC OUT
20 NM-
COASTAL WATERS FROM MURRELLS INLET TO SOUTH SANTEE RIVER SC OUT
20 NM-
430 PM EDT SAT JUL 2 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ADJACENT COASTAL WATERS.

.DAY ONE...TONIGHT.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

STRONG THUNDERSTORMS POSSIBLE SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

04

In the hours before

Special weather statement, Jul 2, 9:13 PM EDT, 5 hours 59 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON NC
913 PM EDT SAT JUL 2 2016

NCZ096-030215-
BLADEN NC-
913 PM EDT SAT JUL 2 2016

...SPECIAL WEATHER STATEMENT FOR BLADEN COUNTY UNTIL 1015 PM EDT...

AT 911 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
DUART...OR 14 MILES NORTHWEST OF ELIZABETHTOWN...MOVING EAST AT 20
MPH.

PEA SIZE HAIL...WINDS IN EXCESS OF 40 MPH...AND FREQUENT CLOUD
TO GROUND LIGHTNING ARE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
ELIZABETHTOWN...AMMON...RUSKIN...WHITE OAK...JEROME...DUART...
TOBERMORY...WHITE LAKE...DUBLIN...AND TAR HEEL.

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.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3474 7839 3470 7837 3469 7835 3466 7832
      3464 7831 3463 7832 3461 7831 3461 7883
      3469 7881 3474 7886 3484 7890 3485 7867
      3485 7852 3486 7850
TIME...MOT...LOC 0111Z 266DEG 16KT 3476 7880

SRP
Special weather statement, Jul 2, 9:18 PM EDT, 5 hours 54 minutes before
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Special weather statement, Jul 2, 10:03 PM EDT, 5 hours 9 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 8:39 PM EDTSpecial Weather StatementILMRobeson36 min
Jul 2, 9:13 PM EDTSpecial Weather StatementILMBladen62 min
Jul 2, 9:18 PM EDTSpecial Weather StatementILMRobeson42 min
Jul 2, 10:03 PM EDTSpecial Weather StatementILMRobeson42 min
Jul 3, 3:18 AM EDTCoastal Flood AdvisoryILMNew Hanover20 hr
Jul 3, 2:58 PM EDTSpecial Weather StatementILMRobeson47 min
Jul 3, 3:34 PM EDTHeat AdvisoryILMBladen, Brunswick, Columbus, New Hanover, Pender, Robeson51 hr
Jul 3, 4:15 PM EDTSpecial Weather StatementILMBladen45 min
Jul 3, 4:34 PM EDTSpecial Weather StatementILMPender26 min
Jul 3, 5:10 PM EDTSpecial Weather StatementILMPender50 min
Jul 3, 5:31 PM EDTSpecial Marine WarningILM44 min
Jul 3, 6:03 PM EDTSpecial Weather StatementILMColumbus42 min
Jul 3, 6:15 PM EDTSpecial Weather StatementILMNew Hanover, Pender45 min
Jul 3, 6:22 PM EDTSpecial Marine WarningILM38 min
Jul 3, 7:25 PM EDTSpecial Weather StatementILMNew Hanover50 min
Jul 3, 1:58 PM EDTSpecial Weather StatementILMMarlboro47 min
Jul 3, 2:56 PM EDTSpecial Weather StatementILMMarlboro49 min
Jul 3, 3:13 PM EDTSpecial Weather StatementILMDarlington47 min
Jul 3, 3:17 PM EDTSevere Thunderstorm WarningILMDarlington, Florence30 min
Jul 3, 3:30 PM EDTSpecial Weather StatementILMDarlington, Marlboro45 min
Jul 3, 3:50 PM EDTSevere Thunderstorm WarningILMDarlington, Dillon, Marlboro28 min
Jul 3, 5:45 PM EDTSpecial Weather StatementILMWilliamsburg45 min

Nearby

Heat Advisories in South Carolina, 2016Every 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.