Alert archive / Virginia / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 16, NWS Blacksburg, VA

April 13, 1996Floyd County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Apr 13, 1996, 7:28 PM EDT for Floyd County, Virginia. It was in force for 47 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
Apr 13, 1996, 7:28 PM EDT (23:28 UTC)
Expired
Apr 13, 1996, 8:15 PM EDT
In force
47 min
Issued by
NWS Blacksburg, VA
Area
Whole counties

County Floyd County, VA

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.5 hours before the alert went out and 103 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 12:00Z on 1996-04-13Temperature 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 12:00Z on 1996-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 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
2198 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
74 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.

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 Blacksburg, VA wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 13, 2:58 PM EDT, 4 hours 30 minutes earlier.

Area forecast discussion, Apr 13, 2:58 PM EDT, 4 hours 30 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BLACKSBURG, VA
300 PM EDT SAT APR 13 1996

RECOMMENDATIONS... NONE

DISC.

88D SHOWING AREA SHWRS/TRW'S DVLPG WEST OF FA AT 250 PM.
NOT MUCH IN WAY OF DISC, AS EVERYTHING IS PROGRESSING ABOUT LIKE
FORECAST.

ROA 55/73/50/69  60/0/10/40

MG

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 6:10 PM EDTSevere Thunderstorm WarningRNKSmyth65 min
Apr 13, 6:55 PM EDTSevere Thunderstorm WarningRNKWythe50 min
Apr 13, 7:13 PM EDTSevere Thunderstorm WarningRNKMontgomery, Pulaski, City of Radford32 min
Apr 13, 7:50 PM EDTSevere Thunderstorm WarningRNKFranklin, Roanoke, City of Roanoke, City of Salem40 min

Nearby

Severe Thunderstorm Warnings in Virginia, 1996Every severe thunderstorm warning in 1996

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.