Alert archive / Virginia / Tornado Warnings in 1989

Tornado Warning 10, NWS Wakefield, VA

April 29, 1989City of Hampton, Virginia

NWS Wakefield, VA issued this tornado warning at Apr 29, 1989, 6:14 PM EDT for City of Hampton, Virginia. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Apr 29, 1989, 6:14 PM EDT (22:14 UTC)
Expired
Apr 29, 1989, 7:15 PM EDT
In force
61 min
Issued by
NWS Wakefield, VA
Area
Whole counties

County City of Hampton, 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, 10.2 hours before the alert went out and 213 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 1989-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 223 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 1989-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
223 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
736 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

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.

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.