Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 155, NWS Raleigh, NC

November 11, 2002Nash County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Nov 11, 2002, 10:30 AM EST for Nash County, North Carolina. It was in force for 30 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
Nov 11, 2002, 10:30 AM EST (15:30 UTC)
Expired
Nov 11, 2002, 11:00 AM EST
In force
30 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Nash County, NC

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Nov 11, 6:35 AM ESTTornado WatchSPC4 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 3.5 hours before the alert went out and 166 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, Newport, NC at 12:00Z on 2002-11-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1290 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, Newport, NC at 12:00Z on 2002-11-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 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
1290 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
599 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.5
Supercell composite
4.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS52 KRAH 111534
SVRRAH
NCC127-111600-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED WATCH EXPIRATION TIME
NATIONAL WEATHER SERVICE RALEIGH NC
1030 AM EST MON NOV 11 2002

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN NASH COUNTY IN CENTRAL NORTH CAROLINA

* UNTIL 1100 AM EST

* AT 1030 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES SOUTH OF CASTALIA...OR ABOUT 8 MILES
  WEST OF NASHVILLE...MOVING NORTHEAST AT 55 MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  RED OAK
  CASTALIA
  AVENTON

DAMAGING WINDS IN EXCESS OF 58 MILES AN HOUR ARE EXPECTED FROM THIS
STORM. THESE WINDS BLOW DOWN TREES...POWER LINES...AND CAN DAMAGE
MOBILE HOMES AND BUILDINGS. SEEK SHELTER IN A STURDY STRUCTURE UNTIL
THE STORM HAS PASSED.

A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 1100 AM EST MONDAY FOR 
CENTRAL NORTH CAROLINA. 

$$

LAT...LON 3602 7813 3595 7805 3610 7777 3620 7798

DGS

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 Nov 11, 9:57 AM EST, 33 minutes earlier.

Area forecast discussion, Nov 11, 9:57 AM EST, 33 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RALEIGH NC
955 AM EST EST MON NOV 11 2002

SEVERE WEATHER PARAMETERS IN PLACE THIS MORNING OVER CENTRAL NC.
RADAR DEPICTS CLEARLY DEFINED LEWP OVER SECTIONS OF SANDHILLS AND
PIEDMONT. SURPRISED THAT NOT RECEIVING MORE WIND DAMAGE REPORTS OVER
SOUTHWEST COUNTIES.

PLAN TO LEAVE FORECAST PACKAGE AS IS BUT MENTION DIMINISHING
SHOWERS/STORMS OVER MOST OF THE PIEDMONT AS DRIER AIR MOVES INTO
THIS REGION THIS AFTERNOON.

MAY NEED TO ADJUST TEMPS IN THE WEST DOWN A CATEGORY BUT MAINTAIN
ELSEWHERE.

.RAH...NONE

WSS
Hazardous weather outlook, Nov 11, 5:50 AM EST, 4 hours 40 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088-089-121050-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE
550 AM EST MON NOV 11 2002

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA.

.DAY ONE...

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS MORNING OVER THE
NORTHEAST PIEDMONT AND THE SOUTHERN PIEDMONT. THUNDERSTORMS MAY
PRODUCE DAMAGING WINDS GUSTS AND LARGE HAIL. ISOLATED TORNADOES ARE
A POSSIBILITY.

.SPOTTER CALL TO ACTION STATEMENT...

GREENSBORO SKYWARN SPOTTER ACTIVATION IS REQUESTED.

.DAYS TWO THROUGH SEVEN...

ENTER DETAILS HERE...

In the hours before

Special weather statement, Nov 11, 6:16 AM EST, 4 hours 14 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088-089-112314-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE
616 AM EST MON NOV 11 2002

THIS OUTLOOK IS FOR CENTRAL NORTH CAROLINA MONDAY...

...THERE IS A RISK OF SEVERE THUNDERSTORMS PRODUCING DAMAGING WINDS
OVER ALL OF CENTRAL NORTH CAROLINA THROUGH THE AFTERNOON...

SKYWARN SPOTTERS...
NETWORK ACTIVATION IS REQUESTED IN ALL LOCATIONS

SYNOPSIS...A STRONG COLD FRONT ACCOMPANIED BY VERY STRONG WINDS
ALOFT WILL MOVE EAST THROUGH CENTRAL NORTH CAROLINA THIS MORNING AND
THIS AFTERNOON. LARGE HAIL AND ISOLATED TORNADOES ARE ALSO POSSIBLE.

STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER
DETAILS OR UPDATES.

RHJ
Special weather statement, Nov 11, 6:16 AM EST, 4 hours 14 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088-089-112314-

SEVERE WEATHER OUTLOOK...CORRECTION FOR TYPE OF RISK...
NATIONAL WEATHER SERVICE
616 AM EST MON NOV 11 2002

THIS OUTLOOK IS FOR CENTRAL NORTH CAROLINA MONDAY...

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS PRODUCING DAMAGING
WINDS OVER ALL OF CENTRAL NORTH CAROLINA THROUGH THE AFTERNOON...

SKYWARN SPOTTERS...
NETWORK ACTIVATION IS REQUESTED IN ALL LOCATIONS

SYNOPSIS...A STRONG COLD FRONT ACCOMPANIED BY VERY STRONG WINDS
ALOFT WILL MOVE EAST THROUGH CENTRAL NORTH CAROLINA THIS MORNING AND
THIS AFTERNOON. LARGE HAIL AND ISOLATED TORNADOES ARE ALSO POSSIBLE.

STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER
DETAILS OR UPDATES.

RHJ
Local storm report, Nov 11, 9:24 AM EST, 1 hour 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH, NC
924 AM EST MON NOV 11 2002

TIME(EST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0855 AM    CARTHAGE                  NC   WIND DAMAGE
11/11/02   MOORE                          POWERLINES DOWN ON
                                          NIAGRA-CARTHAGE ROAD.
                                          REPORTED BY MOORE COUNTY
                                          SHERIFF OFFICE.

WSS

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 11, 7:23 AM ESTSevere Thunderstorm WarningRAHForsyth37 min
Nov 11, 8:41 AM ESTSevere Thunderstorm WarningRAHMoore34 min
Nov 11, 8:44 AM ESTSevere Thunderstorm WarningRAHChatham46 min
Nov 11, 8:45 AM ESTSevere Thunderstorm WarningRAHAnson, Richmond45 min
Nov 11, 8:57 AM ESTSevere Thunderstorm WarningRAHLee48 min
Nov 11, 9:11 AM ESTSevere Thunderstorm WarningRAHHoke, Scotland49 min
Nov 11, 9:15 AM ESTSevere Thunderstorm WarningRAHDurham, Orange30 min
Nov 11, 9:20 AM ESTSevere Thunderstorm WarningRAHHarnett55 min
Nov 11, 9:25 AM ESTSevere Thunderstorm WarningRAHWake50 min
Nov 11, 9:40 AM ESTTornado WarningRAHWake35 min
Nov 11, 9:41 AM ESTSevere Thunderstorm WarningRAHCumberland49 min
Nov 11, 9:52 AM ESTTornado WarningRAHCumberland, Harnett38 min
Nov 11, 10:04 AM ESTSevere Thunderstorm WarningRAHJohnston41 min
Nov 11, 10:19 AM ESTSevere Thunderstorm WarningRAHSampson41 min
Nov 11, 10:34 AM ESTSevere Thunderstorm WarningRAHNash26 min
Nov 11, 10:35 AM ESTSevere Thunderstorm WarningRAHWayne40 min
Nov 11, 10:49 AM ESTTornado WarningRAHWayne26 min
Nov 11, 10:58 AM ESTSevere Thunderstorm WarningRAHSampson32 min
Nov 11, 11:18 AM ESTTornado WarningRAHWayne12 min
Nov 11, 11:18 AM ESTTornado WarningRAHWayne12 min
Nov 11, 11:24 AM ESTSevere Thunderstorm WarningRAHEdgecombe21 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2002Every severe thunderstorm warning in 2002

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.