Alert archive / North Carolina / Tornado Warnings in 1999

Tornado Warning 21, NWS Wakefield, VA

September 15, 1999Bertie County, North Carolina

NWS Wakefield, VA issued this tornado warning at Sep 15, 1999, 7:48 PM EDT for Bertie County, North Carolina. It was in force for 17 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 15, 1999, 7:48 PM EDT (23:48 UTC)
Expired
Sep 15, 1999, 8:05 PM EDT
In force
17 min
Issued by
NWS Wakefield, VA
Area
Whole counties

County Bertie County, NC

The watch it was issued in

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

IssuedProductOfficeLasted
Sep 15, 10:00 AM EDTTornado WatchSPC12 hr

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 11.8 hours before the alert went out and 143 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 1999-09-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 392 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 1999-09-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 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
392 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
956 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
266 m²/s²
Significant tornado parameter
0.2
Supercell composite
5.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAKQ 152352 RRA
TORAKQ
NCC015-160005-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
748 PM EDT WED SEP 15 1999

THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN BERTIE COUNTY IN NORTHEASTERN NORTH CAROLINA

* UNTIL 805 PM EDT

* AT 747 PM EDT... NATIONAL WEATHER SERVICE RADAR INDICATED A
  POSSIBLE TORNADO 6 MILES SOUTH SOUTHWEST OF WINDSOR OR 5 MILES
  SOUTHEAST OF QUITSNA... MOVING WEST NORTHWEST AT 45 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
    GRABTOWN AT 750 PM EDT
    QUITSNA AT 750 PM EDT

IF YOU ARE IN THESE AREAS... SEEK SAFETY IN A SMALL INTERIOR ROOM
AWAY FROM WINDOWS. A BASEMENT OFFERS THE BEST PROTECTxION

TORNADOES WHICH OCCUR AT NIGHT ARE HARD TO SEE AND ESPECIALLY
DANGEROUS. GET TO A PLACE OF SAFETY NOW!!!

BC/NS

The office that day

Everything else NWS Wakefield, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 15, 7:34 PM EDTTornado WarningAKQBertie16 min

Nearby

Tornado Warnings in North Carolina, 1999Every tornado warning in 1999Tornadoes in 1999

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.