Alert archive / Virginia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 25, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at May 15, 1990, 8:27 PM EDT for Craig County, Virginia. It was in force for 48 min.
The area
The counties it named.
The facts
- Issued
- May 15, 1990, 8:27 PM EDT (00:27 UTC)
- Expired
- May 15, 1990, 9:15 PM EDT
- In force
- 48 min
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
County Craig 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
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 0.5 hours before the alert went out and 158 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KROA 160029 RRA
SVRROA
VAC045-160115-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROANOKE VA
827 PM EDT TUE MAY 15 1990
THE NATIONAL WEATHER SERVICE IN ROANOKE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 915 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN WEST CENTRAL VIRGINIA
...EASTERN CRAIG
WEATHER RADAR SHOWS THAT POSSIBLE LE THUNDERSTORM WARNING EFFECTIVE UNTIL 915 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN WEST CENTRAL VIRGINIA
...EASTERN CRAIG
WEATHER RADAR SHOWS THAT POSSIBLE LARGE HAIL IS ACCOMPANYING THIS
THUNDERSTORM.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD
PREPARjE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.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.
In the hours before
Special weather statement, May 15, 7:00 PM EDT, 1 hour 27 minutes before
VAZ009-014-015-162100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VA 315 PM EDT WED MAY 16 1990 ...THUNDERSTORMS DEVELOPING ACROSS SOUTHWEST VIRGINIA... AT 300 PM EDT NATIONAL WEATHER SERVICE WEATHER RADAR INDICATES SHOWERS AND THUNDERSTORMS RAPIDLY DEVELOPING ALONG THE WESTERN SLOPES OF THE BLUE RIDGE MOUNTAINS. THE THUNDERSTORMS EXTENDED FROM JUST EAST OF ROANOKE SOUTHWEST TO SOUTHERN FLOYD COUNTY. THE STRONGEST STORM WAS LOCATED NEAR THE CITY OF ROANOKE WITH SOME SMALL HAIL BEING REPORTED. THE STORMS WILL BE DRIFTING SLOWLY TO THE EAST OVER THE NEXT COUPLE OF HOURS. PEOPLE OVER WEST CENTRAL AND SOUTHCENTRAL VIRGINIA SHOULD BE PREPARED FOR SOME GUSTY WINDS...SMALL HAIL AND BRIEF BUT HEAVY DOWNPOURS DURING THE LATTER PART OF THE AFTERNOON. STAY TUNED TO RADIO AND TV SOURCES FOR LATER UPDATES OR WARNINGS SHOULD THEY BE NECESSARY...AND REMEMBER...PLEASE...DON'T DRIVE ACROSS FLOODED ROADWAYS! HM
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 8:15 PM EDT | Flash Flood Warning | RNK | Craig | 2 hr |
Nearby
Severe Thunderstorm Warnings in Virginia, 1990Every severe thunderstorm warning in 1990
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.