Alert archive / North Carolina / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 448, NWS Raleigh, NC

November 16, 2006Davidson County, Randolph County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Nov 16, 2006, 12:45 AM EST for Davidson County, Randolph County, North Carolina. It was in force for 45 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 16, 2006, 12:45 AM EST (05:45 UTC)
Expired
Nov 16, 2006, 1:30 AM EST
In force
45 min
Issued by
NWS Raleigh, NC
Area
Counties, with a storm outline in the text

Counties Davidson County, NC, Randolph County, NC

The radar

The Raleigh/Durham radar (KRAX), 138 km from the middle of the area, began a volume at 05:46 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 watch it was issued in

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

IssuedProductOfficeLasted
Nov 15, 11:58 PM ESTTornado WatchSPC8 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 5.8 hours before the alert went out and 38 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 2006-11-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2006-11-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 394 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1176 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
394 m²/s²
0-3 km storm-relative helicity
496 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 Nov 16, 12:34 AM EST, 11 minutes earlier.

Area forecast discussion, Nov 16, 12:34 AM EST, 11 minutes before
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Hazardous weather outlook, Nov 15, 5:55 AM EST, 18 hours 50 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RALEIGH NC
555 AM EST WED NOV 15 2006

NCZ007>011-021>028-038>043-073>078-083>086-088-089-161030-
PERSON-GRANVILLE-VANCE-WARREN-HALIFAX-FORSYTH-GUILFORD-ALAMANCE-
ORANGE-DURHAM-FRANKLIN-NASH-EDGECOMBE-DAVIDSON-RANDOLPH-CHATHAM-
WAKE-JOHNSTON-WILSON-STANLY-MONTGOMERY-MOORE-LEE-HARNETT-WAYNE-
ANSON-RICHMOND-SCOTLAND-HOKE-CUMBERLAND-SAMPSON-
555 AM EST WED NOV 15 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL NORTH
CAROLINA.

.DAY ONE...TODAY AND TONIGHT

A VIGOROUS STORM SYSTEM WILL APPROACH NORTH CAROLINA FROM THE
WEST LATE THIS AFTERNOON AND TONIGHT... BRINGING WIDESPREAD
SHOWERS AND A RISK OF STRONG THUNDERSTORMS. SURFACE WINDS FROM THE
SOUTHEAST AND SOUTH WILL INCREASE TO 10 TO 20 MPH THIS EVENING...
WITH HIGHER GUSTS OVER 30 MPH POSSIBLE TONIGHT THROUGH THURSDAY.
THESE WINDS... IN COMBINATION WITH STRONG SHIFTING WINDS ALOFT
BLOWING AT 60 TO 70 MPH... WILL BRING A RISK FOR ROTATING STORMS
AND POSSIBLE DAMAGING WIND GUSTS OR ISOLATED TORNADOES. THE
GREATEST CHANCE OF STRONG TO SEVERE STORMS WILL BE ALONG AND
SOUTHEAST OF A LINE FROM ALBEMARLE TO RALEIGH TO KERR LAKE...
WHERE THE ATMOSPHERE WILL BE MARGINALLY UNSTABLE. THE MOST LIKELY
TIME FOR STRONG TO SEVERE STORMS WILL BE BETWEEN 4 AM LATE TONIGHT
AND 3 PM THURSDAY.

IN ADDITION TO THE STORM THREAT... A VERY MOIST ATMOSPHERE AND
STRONG LIFT WILL BRING A GOOD CHANCE FOR LOCALLY HEAVY RAIN.
STORM TOTAL RAINFALL OF ONE TO TWO AND HALF INCHES IS EXPECTED...
WHICH MAY LEAD TO CONSIDERABLE STREET FLOODING AND RAPID RISES ON
CREEKS AND STREAMS... ESPECIALLY THOSE IN URBAN AREAS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THE THREAT OF STRONG TO SEVERE STORMS AND HEAVY RAIN WILL EXTEND
THROUGH EARLY TO MID AFTERNOON ON THURSDAY. A STRONG COLD FRONT
WILL SWEEP THROUGH THE AREA THURSDAY AFTERNOON AND EARLY
EVENING... USHERING IN DRIER AND COLDER AIR FOR FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER NETWORK ACTIVATION MAY BE NEEDED LATE TONIGHT INTO
THURSDAY.

HARTFIELD

In the hours before

Special weather statement, Nov 15, 7:45 PM EST, 5 hours before
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Special weather statement, Nov 15, 11:14 PM EST, 1 hour 31 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1114 PM EST WED NOV 15 2006

NCZ021-022-038-039-073-074-083-084-160630-
ANSON-DAVIDSON-FORSYTH-GUILFORD-MONTGOMERY-RANDOLPH-RICHMOND-STANLY-
1114 PM EST WED NOV 15 2006

...STRONG THUNDERSTORMS WILL MOVE ACROSS RICHMOND...FORSYTH...
GUILFORD...DAVIDSON...RANDOLPH...MONTGOMERY...STANLY AND ANSON
COUNTIES THROUGH 130 AM EST...

AT 1114 PM EST...DOPPLER RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 12 MILES WEST OF CLEMMONS
TO 19 MILES WEST OF PEACHLAND...OR ALONG A LINE EXTENDING FROM 8
MILES NORTH OF MOCKSVILLE TO MONROE...MOVING NORTHEAST AT 45 MPH.

GUSTY WINDS OF 30 TO 40 MPH AND DANGEROUS CLOUD-TO-GROUND LIGHTNING
CAN BE EXPECTED WITH THESE THUNDERSTORMS. THESE GUSTY WINDS COULD
RESULT IN A FEW DOWNED TREE LIMBS. LOCATIONS AFFECTED BY THESE STORMS
INCLUDE ALBEMARLE...LEXINGTON...WINSTON SALEM...THOMASVILLE...AND
HIGH POINT.

23

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 16, 12:02 AM ESTSevere Thunderstorm WarningRAHAnson, Davidson, Stanly43 min
Nov 16, 12:59 AM ESTSevere Thunderstorm WarningRAHAnson31 min
Nov 16, 1:21 AM ESTTornado WarningRAHGuilford24 min
Nov 16, 1:36 AM ESTSevere Thunderstorm WarningRAHMontgomery24 min
Nov 16, 2:14 AM ESTSevere Thunderstorm WarningRAHAlamance, Randolph31 min
Nov 16, 4:30 AM ESTSevere Thunderstorm WarningRAHJohnston, Wake30 min
Nov 16, 7:34 AM ESTTornado WarningRAHWayne41 min
Nov 16, 8:22 AM ESTTornado WarningRAHWilson38 min
Nov 16, 8:36 AM ESTSevere Thunderstorm WarningRAHWake24 min
Nov 16, 9:20 AM ESTTornado WarningRAHSampson40 min
Nov 16, 9:39 AM ESTTornado WarningRAHJohnston51 min
Nov 16, 10:57 AM ESTTornado WarningRAHWayne33 min
Nov 16, 11:02 AM ESTSevere Thunderstorm WarningRAHNash13 min
Nov 16, 11:14 AM ESTSevere Thunderstorm WarningRAHHalifax31 min
Nov 16, 11:44 AM ESTSevere Thunderstorm WarningRAHEdgecombe, Wilson16 min
Nov 16, 12:17 PM ESTFlash Flood WarningRAHWayne73 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2006Every severe thunderstorm warning in 2006

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.