Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Raleigh, NC

July 4, 2012Harnett County, North Carolina

NWS Raleigh, NC issued this special weather statement at Jul 4, 2012, 2:53 PM EDT for Harnett County, North Carolina. It was in force for 37 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 4, 2012, 2:53 PM EDT (18:53 UTC)
Expired
Jul 4, 2012, 3:30 PM EDT
In force
37 min
Issued by
NWS Raleigh, NC

County Harnett County, NC

The radar

The Raleigh/Durham radar (KRAX), 34 km from the middle of the area, began a volume at 18:54 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 12:00Z, 6.9 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2012-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 369 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 12:00Z on 2012-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 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
369 J/kg
Mixed-layer CIN
-133 J/kg
Mixed-layer LCL
1669 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
-7 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 Raleigh, NC wrote its last area forecast discussion before this special weather statement went out at Jul 4, 2:20 PM EDT, 33 minutes earlier.

Area forecast discussion, Jul 4, 2:20 PM EDT, 33 minutes before
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Hazardous weather outlook, Jul 4, 11:32 AM EDT, 3 hours 21 minutes before
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In the hours before

Local storm report, Jul 4, 2:38 PM EDT, 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
238 PM EDT WED JUL 04 2012

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

0314 PM     HAIL             6 N CENTERVILLE         36.27N  78.09W
07/01/2012  E1.00 INCH       WARREN             NC   PUBLIC

            QUARTER SIZE HAIL

&&

EVENT NUMBER RAH1200513

SEC
Special weather statement, Jul 4, 2:53 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
253 PM EDT WED JUL 4 2012

NCZ077-041930-
HARNETT-
253 PM EDT WED JUL 4 2012

...A STRONG THUNDERSTORM WILL MOVE ACROSS HARNETT COUNTY THROUGH 330
PM EDT...

AT 253 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
LILLINGTON...MOVING EAST AT 15 MPH.

SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...BUIES
CREEK...COATS...AND ERWIN.

HAZARDS INCLUDE...
GUSTY WINDS UP TO 45 MPH.
DEADLY CLOUD TO GROUND LIGHTNING.
LOCALLY HEAVY RAINFALL AND PONDING OF WATER ON ROADWAYS.

IF YOU SEE LIGHTNING OR HEAR THUNDER...YOU ARE AT RISK. TAKE SHELTER
INDOORS IMMEDIATELY. IF YOU CANNOT FIND SHELTER IN A BUILDING A
VEHICLE PROVIDES SAFETY FROM LIGHTNING.

&&

LAT...LON 3535 7889 3554 7879 3551 7868 3550 7869
      3550 7867 3547 7865 3545 7862 3540 7860
      3533 7853 3531 7854 3530 7858 3528 7858
      3526 7860
TIME...MOT...LOC 1853Z 285DEG 11KT 3542 7878

VINCENT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 8:06 PM EDTSpecial Weather StatementRAHWake54 min
Jul 3, 8:08 PM EDTSpecial Weather StatementRAHStanly67 min
Jul 3, 8:48 PM EDTSpecial Weather StatementRAHMontgomery57 min
Jul 3, 9:04 PM EDTSpecial Weather StatementRAHWake56 min
Jul 3, 9:12 PM EDTSpecial Weather StatementRAHHarnett63 min
Jul 3, 9:43 PM EDTSpecial Weather StatementRAHJohnston62 min
Jul 4, 3:33 PM EDTSpecial Weather StatementRAHWake42 min
Jul 4, 3:47 PM EDTHeat AdvisoryRAHCumberland, Edgecombe, Halifax, Harnett, Hoke, Johnston and 5 more29 hr
Jul 4, 4:14 PM EDTSevere Thunderstorm WarningRAHNash, Wilson46 min
Jul 4, 4:17 PM EDTSevere Thunderstorm WarningRAHWake43 min
Jul 4, 4:31 PM EDTSpecial Weather StatementRAHCumberland59 min
Jul 4, 4:35 PM EDTSevere Thunderstorm WarningRAHCumberland, Harnett, Hoke, Moore55 min
Jul 4, 4:46 PM EDTSpecial Weather StatementRAHWilson59 min
Jul 4, 4:53 PM EDTSpecial Weather StatementRAHFranklin67 min
Jul 4, 4:54 PM EDTAreal Flood AdvisoryRAHWake71 min
Jul 4, 5:05 PM EDTSevere Thunderstorm WarningRAHJohnston, Wayne, Wilson40 min
Jul 4, 5:09 PM EDTSpecial Weather StatementRAHWake66 min
Jul 4, 5:12 PM EDTSevere Thunderstorm WarningRAHNash, Wilson28 min
Jul 4, 5:23 PM EDTSevere Thunderstorm WarningRAHEdgecombe67 min
Jul 4, 5:31 PM EDTSevere Thunderstorm WarningRAHCumberland, Hoke44 min
Jul 4, 5:43 PM EDTSpecial Weather StatementRAHFranklin62 min
Jul 4, 6:12 PM EDTSevere Thunderstorm WarningRAHFranklin, Halifax, Nash, Warren48 min
Jul 4, 6:19 PM EDTSevere Thunderstorm WarningRAHEdgecombe, Halifax, Nash36 min
Jul 4, 6:39 PM EDTSpecial Weather StatementRAHHoke, Scotland66 min
Jul 4, 6:42 PM EDTSevere Thunderstorm WarningRAHFranklin, Halifax, Vance, Warren22 min
Jul 4, 6:59 PM EDTSpecial Weather StatementRAHMontgomery, Richmond61 min
Jul 4, 7:05 PM EDTSpecial Weather StatementRAHFranklin55 min

Nearby

Special Weather Statements in North Carolina, 2012Every 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.