Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Raleigh, NC

August 7, 2012Anson County, Richmond County, North Carolina

NWS Raleigh, NC issued this special weather statement at Aug 7, 2012, 3:10 AM EDT for Anson County, Richmond County, North Carolina. It was in force for 50 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
Aug 7, 2012, 3:10 AM EDT (07:10 UTC)
Expired
Aug 7, 2012, 4:00 AM EDT
In force
50 min
Issued by
NWS Raleigh, NC

Counties Anson County, NC, Richmond County, NC

The radar

The Columbia radar (KCAE), 152 km from the middle of the area, began a volume at 07:13 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 121 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 2012-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 277 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2012-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.1939Sfc1 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
277 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1519 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
31 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.

383 
WWUS82 KRAH 070710
SPSRAH

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
310 AM EDT TUE AUG 7 2012

NCZ083-084-070800-
ANSON-RICHMOND-
310 AM EDT TUE AUG 7 2012

...SHOWERS AND THUNDERSTORMS PRODUCING HEAVY RAIN WILL MOVE ACROSS 
RICHMOND AND ANSON COUNTIES THROUGH 400 AM EDT...

AT 307 AM EDT...DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS 
WITH HEAVY RAIN 6 MILES SOUTHEAST OF WHITE STORE...OR ABOUT 13 MILES 
SOUTHWEST OF WADESBORO...MOVING NORTHEAST AT 15 MPH.

SOME LOCATIONS IMPACTED INCLUDE...MORVEN...WADESBORO...LILESVILLE... 
ROCKINGHAM... ELLERBE... AND POLKTON.

HAZARDS INCLUDE...
DEADLY CLOUD TO GROUND LIGHTNING.
HEAVY RAINFALL AND MINOR FLOODING.

THESE STORMS WILL PRODUCE HEAVY RAINFALL...WHICH WILL CAUSE MINOR
FLOODING OF LOW LYING AREAS INCLUDING DITCHES...CREEKS...ROADWAYS AND
AREAS OF POOR DRAINAGE. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS. MOTORISTS SHOULD ALSO REDUCE DRIVING SPEEDS TO AVOID
HYDROPLANING.

&&

LAT...LON 3495 8031 3514 8008 3514 8002 3516 7999
      3516 7995 3516 7989 3489 7960 3480 7989
      3481 8030 3484 8033
TIME...MOT...LOC 0707Z 229DEG 15KT 3483 8020

$$

77

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 8:34 PM EDTSpecial Weather StatementRAHGuilford56 min
Aug 6, 8:47 PM EDTAreal Flood AdvisoryRAHGuilford103 min
Aug 6, 9:12 PM EDTAreal Flood AdvisoryRAHDavidson, Forsyth108 min
Aug 6, 9:37 PM EDTSpecial Weather StatementRAHPerson53 min
Aug 6, 10:46 PM EDTAreal Flood AdvisoryRAHForsyth74 min
Aug 6, 11:40 PM EDTAreal Flood AdvisoryRAHGranville, Person80 min
Aug 7, 3:04 AM EDTSpecial Weather StatementRAHCumberland56 min
Aug 7, 4:54 AM EDTSpecial Weather StatementRAHScotland66 min
Aug 7, 2:45 PM EDTSpecial Weather StatementRAHScotland60 min
Aug 7, 3:44 PM EDTSpecial Weather StatementRAHAnson61 min
Aug 7, 4:13 PM EDTSpecial Weather StatementRAHHarnett47 min
Aug 7, 5:24 PM EDTSpecial Weather StatementRAHHalifax36 min
Aug 7, 5:41 PM EDTAreal Flood AdvisoryRAHCumberland, Harnett117 min
Aug 7, 6:03 PM EDTSpecial Weather StatementRAHHalifax42 min
Aug 7, 6:39 PM EDTAreal Flood AdvisoryRAHHalifax81 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.