Alert archive / North Carolina / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 181, NWS Raleigh, NC

September 2, 2014Cumberland County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Sep 2, 2014, 3:21 PM EDT for Cumberland County, North Carolina. It was in force for 20 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
Sep 2, 2014, 3:21 PM EDT (19:21 UTC)
Expired
Sep 2, 2014, 3:41 PM EDT
In force
20 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon

County Cumberland County, NC

The radar

The Raleigh/Durham radar (KRAX), 75 km from the middle of the area, began a volume at 19:21 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, 7.4 hours before the alert went out and 150 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 2014-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 255 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 2014-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
255 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
1505 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
66 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 Raleigh, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 2, 2:55 PM EDT, 26 minutes earlier.

Area forecast discussion, Sep 2, 2:55 PM EDT, 26 minutes before
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Hazardous weather outlook, Sep 2, 10:38 AM EDT, 4 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE RALEIGH NC
1038 AM EDT TUE SEP 2 2014

NCZ007>009-021>025-038-039-030930-
PERSON-GRANVILLE-VANCE-FORSYTH-GUILFORD-ALAMANCE-ORANGE-DURHAM-
DAVIDSON-RANDOLPH-
1038 AM EDT TUE SEP 2 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

NCZ010-011-026>028-040-041-043-030930-
WARREN-HALIFAX-FRANKLIN-NASH-EDGECOMBE-CHATHAM-WAKE-WILSON-
1038 AM EDT TUE SEP 2 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

HEAT INDEX VALUES WILL BE AROUND 100 DEGREES ACROSS PORTIONS OF
THE PIEDMONT AND COASTAL PLAIN THIS AFTERNOON. IF YOU HAVE
OUTDOOR PLANS...BE SURE TO DRINK PLENTY OF WATER TO STAY
HYDRATED...WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING...AND TAKE
FREQUENT BREAKS IN SHADED OR AIR CONDITIONED AREAS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

HEAT INDEX VALUES WILL AGAIN BE AROUND 100 DEGREES ON
WEDNESDAY...MAINLY ACROSS THE COASTAL PLAIN.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ042-073>078-083>086-088-089-030930-
JOHNSTON-STANLY-MONTGOMERY-MOORE-LEE-HARNETT-WAYNE-ANSON-RICHMOND-
SCOTLAND-HOKE-CUMBERLAND-SAMPSON-
1038 AM EDT TUE SEP 2 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

HEAT INDEX VALUES WILL BE NEAR OR EXCEED 100 DEGREES ACROSS
PORTIONS OF THE SOUTHERN PIEDMONT... THE SOUTHERN COASTAL
PLAIN... AND SANDHILLS THIS AFTERNOON. IF YOU HAVE OUTDOOR
PLANS...BE SURE TO DRINK PLENTY OF WATER TO STAY HYDRATED...WEAR
LIGHT WEIGHT AND LOOSE FITTING CLOTHING...AND TAKE FREQUENT BREAKS
IN SHADED OR AIR CONDITIONED AREAS.

ALSO...ISOLATED THUNDERSTORMS ARE POSSIBLE LATE THIS AFTERNOON
THROUGH EARLY EVENING. THE STORMS MAY PRODUCE AN EXCESSIVE AMOUNT
OF LIGHTNING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

HEAT INDEX VALUES WILL AGAIN BE AROUND 100 DEGREES ON
WEDNESDAY ACROSS THE SOUTHERN PIEDMONT..SANDHILLS AND SOUTHERN COASTAL
PLAIN.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Sep 2, 2:41 PM EDT, 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
241 PM EDT TUE SEP 2 2014

NCZ084-021930-
RICHMOND-
241 PM EDT TUE SEP 2 2014

...A STRONG THUNDERSTORM WILL AFFECT PORTIONS OF SOUTH CENTRAL
RICHMOND COUNTY UNTIL 330 PM EDT...

AT 240 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 7 MILES SOUTHWEST OF ROCKINGHAM...MOVING
NORTHEAST AT 15 MPH.

HAIL UP TO THE SIZE OF PEAS AND WIND GUSTS UP TO 40 MPH WILL BE
POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
ROCKINGHAM...HAMLET...DOBBINS HEIGHTS...DIGGS AND EAST ROCKINGHAM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER IN A NEARBY BUILDING OR VEHICLE. WIND GUSTS AS HIGH AS
40 MPH ARE CAPABLE OF KNOCKING DOWN TREE LIMBS AND BLOWING AROUND
TRASH CANS...POTTED PLANTS...LAWN FURNITURE AND OTHER LIGHT OUTDOOR
OBJECTS.

LOCALLY HEAVY RAIN WILL QUICKLY REDUCE VISIBILITY AND RESULT IN
PONDING OF WATER ON ROADWAYS. DRIVERS ARE URGED TO SLOW DOWN AND USE
EXTRA CAUTION TO AVOID HYDROPLANING.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.

&&

LAT...LON 3481 7992 3482 7991 3486 7990 3486 7988
      3490 7985 3493 7986 3495 7987 3498 7987
      3499 7988 3506 7983 3491 7960 3480 7971
TIME...MOT...LOC 1840Z 215DEG 14KT 3485 7984

ELLIS
Special weather statement, Sep 2, 2:55 PM EDT, 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
255 PM EDT TUE SEP 2 2014

NCZ074-021945-
MONTGOMERY-
255 PM EDT TUE SEP 2 2014

...A STRONG THUNDERSTORM WILL AFFECT PORTIONS OF NORTHERN MONTGOMERY
COUNTY UNTIL 345 PM EDT...

AT 254 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR TROY...MOVING NORTHEAST AT 10 MPH.

HAIL UP TO THE SIZE OF PEAS AND WIND GUSTS UP TO 40 MPH WILL BE
POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
TROY...BADIN LAKE...BISCOE...STAR...ELDORADO...STEEDS...MORROW
MOUNTAIN STATE PARK AND LAKE TILLERY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER IN A NEARBY BUILDING OR VEHICLE. WIND GUSTS AS HIGH AS
40 MPH ARE CAPABLE OF KNOCKING DOWN TREE LIMBS AND BLOWING AROUND
TRASH CANS...POTTED PLANTS...LAWN FURNITURE AND OTHER LIGHT OUTDOOR
OBJECTS.

LOCALLY HEAVY RAIN WILL QUICKLY REDUCE VISIBILITY AND RESULT IN
PONDING OF WATER ON ROADWAYS. DRIVERS ARE URGED TO SLOW DOWN AND USE
EXTRA CAUTION TO AVOID HYDROPLANING.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.

&&

LAT...LON 3551 8000 3551 7978 3549 7977 3537 7973
      3528 8001 3536 8007 3537 8005 3539 8007
      3540 8009 3542 8009 3543 8010 3544 8010
TIME...MOT...LOC 1854Z 240DEG 9KT 3540 7999

ELLIS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 2:41 PM EDTSpecial Weather StatementRAHRichmond49 min
Sep 2, 2:55 PM EDTSpecial Weather StatementRAHMontgomery50 min
Sep 2, 3:49 PM EDTAreal Flood AdvisoryRAHCumberland116 min
Sep 2, 3:54 PM EDTSpecial Weather StatementRAHMoore36 min
Sep 2, 4:02 PM EDTSevere Thunderstorm WarningRAHMoore17 min
Sep 2, 4:20 PM EDTSpecial Weather StatementRAHLee55 min
Sep 2, 4:24 PM EDTSpecial Weather StatementRAHCumberland66 min
Sep 2, 4:42 PM EDTSevere Thunderstorm WarningRAHCumberland, Hoke35 min
Sep 2, 4:48 PM EDTAreal Flood AdvisoryRAHCumberland117 min
Sep 2, 5:03 PM EDTSpecial Weather StatementRAHHarnett57 min
Sep 2, 5:08 PM EDTFlash Flood WarningRAHCumberland2 hr
Sep 2, 5:20 PM EDTSpecial Weather StatementRAHWake40 min
Sep 2, 5:24 PM EDTSpecial Weather StatementRAHJohnston, Wayne66 min
Sep 2, 5:26 PM EDTSevere Thunderstorm WarningRAHWake31 min
Sep 2, 6:01 PM EDTSpecial Weather StatementRAHJohnston, Wayne, Wilson59 min
Sep 2, 6:35 PM EDTSpecial Weather StatementRAHRichmond55 min
Sep 2, 6:55 PM EDTSpecial Weather StatementRAHAnson, Richmond65 min
Sep 2, 7:10 PM EDTSpecial Weather StatementRAHStanly65 min
Sep 2, 7:14 PM EDTSpecial Weather StatementRAHRandolph61 min
Sep 2, 7:18 PM EDTSpecial Weather StatementRAHEdgecombe42 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2014Every 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.