Alert archive / Virginia / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 16, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Apr 27, 1989, 4:04 PM EDT for Amherst County, Virginia. It was in force for 56 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 27, 1989, 4:04 PM EDT (20:04 UTC)
- Expired
- Apr 27, 1989, 5:00 PM EDT
- In force
- 56 min
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
County Amherst County, VA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 27, 4:30 PM EDT | Thunderstorm Wind 0 | Amherst, VA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.1 hours before the alert went out and 182 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
- 207 J/kg
- Mixed-layer CIN
- -161 J/kg
- Mixed-layer LCL
- 933 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 237 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
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.
In the hours before
Special weather statement, Apr 27, 3:06 PM EDT, 58 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VA 300 PM EDT THU APR 27 1989 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHWEST VIRGINIA... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH WHICH IS IN EFFECT FROM 245 PM TO 900 PM EDT. THE COUNTIES IN THE WATCH AREA...BLAND...BOTETOURT...CARROLL...CRAIG... FLOYD...FRANKLIN...GILES...GRAYSON...HENRY...MONTGOMERY...PULASKI... ROANOKE...WYTHE. ALSO INCLUDED IN THE WATCH AREA ARE THE INDEPENDENT CITIES OF GALAX...MARTINSVILLE...RADFORD...ROANOKE...SALEM. AT 300 PM EDT...WEATHER RADAR DETECTS A NEARLY SOLID LINE OF THUNDERSTORMS ACROSS EXTREME WEST CENTRAL VIRGINIA NEAR HOT SPRINGS SOUTHWEST ACROSS INTO SOUTHERN WEST VIRGINIA AT LEWISBURG WEST TO BECKLEY. THESE STORMS ARE MOVING SOUTHEAST AT 30 MILES AN HOUR AND WILL BE APPROACHING THE VIRGINIA COUNTIES OF CRAIG...GILES...AND BLAND BY 330 PM. PERSONS SHOULD BE ON THE LOOKOUT FOR RAPIDLY CHANGING WEATHER CONDITIONS. LARGE HAIL...DAMAGING WINDS...AND DANGEROUS LIGHTNING COULD BE PRODUCED BY THESE STORMS AS THEY MOVE INTO VIRGINIA. PLEASE MONITOR YOUR LOCAL TV...RADIO..OR NOAA WEATHER RADIO FOR POSSIBLE WARNINGS AND FURTHER UPDATES. ' END/CACCIAPAGLIA
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 10:36 PM EDT | Severe Thunderstorm Warning | RNK | Forsyth, Guilford | 69 min |
| Apr 27, 4:20 PM EDT | Severe Thunderstorm Warning | RNK | Davie | 55 min |
| Apr 27, 4:23 PM EDT | Severe Thunderstorm Warning | RNK | Forsyth | 67 min |
| Apr 27, 4:50 PM EDT | Tornado Warning | RNK | Surry | 55 min |
| Apr 27, 5:07 PM EDT | Tornado Warning | RNK | Forsyth | 68 min |
| Apr 27, 5:43 PM EDT | Tornado Warning | RNK | Forsyth | 62 min |
| Apr 27, 5:52 PM EDT | Tornado Warning | RNK | Caswell | 68 min |
| Apr 27, 7:07 PM EDT | Tornado Warning | RNK | Forsyth | 68 min |
| Apr 27, 11:15 AM EDT | Severe Thunderstorm Warning | RNK | Franklin | 30 min |
| Apr 27, 4:27 PM EDT | Severe Thunderstorm Warning | RNK | Franklin | 33 min |
Nearby
Severe Thunderstorm Warnings in Virginia, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.