Alert archive / Virginia / Tornado Warnings in 1989

Tornado Warning 1, NWS Wakefield, VA

February 21, 1989Southampton County, Virginia

NWS Wakefield, VA issued this tornado warning at Feb 21, 1989, 1:00 PM EST for Southampton County, Virginia. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Feb 21, 1989, 1:00 PM EST (18:00 UTC)
Expired
Feb 21, 1989, 2:00 PM EST
In force
60 min
Issued by
NWS Wakefield, VA
Area
Whole counties

County Southampton County, VA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Cape Hatteras, NC (KHAT), launched 12:00Z, 6.0 hours before the alert went out and 216 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, Cape Hatteras, NC at 12:00Z on 1989-02-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 309 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, Cape Hatteras, NC at 12:00Z on 1989-02-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 162 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
309 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
863 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
162 m²/s²
0-3 km storm-relative helicity
219 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.6

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 21, 11:43 AM ESTSevere Thunderstorm WarningAKQBrunswick, Mecklenburg62 min
Feb 21, 1:45 PM ESTSevere Thunderstorm WarningAKQCity of Chesapeake, City of Suffolk60 min
Feb 21, 1:45 PM ESTSevere Thunderstorm WarningAKQCity of Virginia Beach60 min

Nearby

Tornado Warnings in Virginia, 1989Every tornado warning in 1989Tornadoes in 1989

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.