Alert archive / North Carolina / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 33, NWS Blacksburg, VA

May 22, 1989Davie County, Iredell County, North Carolina

NWS Blacksburg, VA issued this severe thunderstorm warning at May 22, 1989, 9:18 PM EDT for Davie County, Iredell County, North Carolina. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
May 22, 1989, 9:18 PM EDT (01:18 UTC)
Expired
May 22, 1989, 10:15 PM EDT
In force
57 min
Issued by
NWS Blacksburg, VA
Area
Whole counties

Counties Davie County, NC, Iredell County, NC

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

Huntington/Tri S, WV (KHTS), launched 00:00Z, 1.3 hours before the alert went out and 320 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, Huntington/Tri S, WV at 00:00Z on 1989-05-23Temperature 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, Huntington/Tri S, WV at 00:00Z on 1989-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
991 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
150 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Blacksburg, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 22, 9:18 PM EDTSevere Thunderstorm WarningRNKCaswell, Forsyth, Rockingham57 min
May 22, 10:48 PM EDTFlash Flood WarningRNKRockingham3 hr
May 23, 3:43 PM EDTSevere Thunderstorm WarningRNKIredell, Rowan62 min
May 23, 4:22 PM EDTSevere Thunderstorm WarningRNKGuilford68 min
May 23, 4:52 PM EDTSevere Thunderstorm WarningRNKAlamance68 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1989Every severe thunderstorm warning 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.