Alert archive / Virginia / Flash Flood Warnings in 1987
Flash Flood Warning 3, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Apr 15, 1987, 9:25 PM EDT for Patrick County, Virginia. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Apr 15, 1987, 9:25 PM EDT (01:25 UTC)
- Expired
- Apr 16, 1987, 2:00 AM EDT
- In force
- 5 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
County Patrick 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, 1.4 hours before the alert went out and 75 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
- 28 kt
- 0-1 km storm-relative helicity
- 127 m²/s²
- 0-3 km storm-relative helicity
- 213 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KROA 160100 FFWROA VAC141-160600- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ROANOKE VA 925 PM EDT WED APR 15 1987 EXPIRES 200 AM EDT THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 200 AN EDT FOR PEOPLE IN THE FOLLOWING COUNTY OF VIRGINIA...PATRICK HEAVY RAINS HAVE CONTINUED TO MOVE INTO PATRICK COUNTY. OFFICIALS THERE REPORT RAPID RISES ALONG THE SOUTH MAYO NEAR THE TOWN OF STUART. OTHER SMALL STREAMS WILL LIKELY GO OUT OF BANKS AS WELL A FLASH FLOOD WARNING MEANS FLOODING HAS BEEN REPORTED OR IS IMMINENT. TAKE IMMEDIATE PRECAUTIONS AGAINST RAPIDLYH RISING WATERS AND BE PREPARED GO MOVE TO SAFETY.$$ HM160126Z.
What forecasters said that day
The local office's own words before this flash flood 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 15, 8:34 PM EDT, 51 minutes before
^WBCSPSROA SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VA 830 PM EDT WED APR 15 1987 AT 820 PM RADAR SHOWED THAT THUNDERSTORMS WERE OCCURRING OVER CENTRAL THROUGH EASTERN PATRICK..WESTERN HENRY..WESTERN FRANKLIN AND SOUTHERN FLOYD COUNTIES. HEAVIEST RAINS APPEARED TO BE CENTERED FROM A FEW MILES NORTH OF STUART OVER TO CRITZ IN PATRICK COUNTY.. WHERE SOME AMOUNTS AROUND AN INCH IN TWO HOURS HAVE BEEN MEASURED. A SMALL STREAM FLOOD WATCH CONTINUES IN THESE COUNTIES. PERSONS LIVING NEAR FLOOD PRONE AREAS SHOULD BE ESPECIALLY ALERT SINCE THE RAINFALL ACTIVITY SHOWS ONLY SLOW MOVEMENT AND CONTINUED RAINS THE NEXT FEW HOURS IS POSSIBLE. STAY TUNED TO MEDIA AND NOAA WEATHER RADIO SOURCES IN THE EVENT A WARNING OF IMMINENT OR ACTUAL FLOODING IS REQUIRED. MCINTOSH
Special weather statement, Apr 15, 8:43 PM EDT, 42 minutes before
^WBCSPSROA SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VA 830 PM EDT WED APR 15 1987 AT 820 PM RADAR SHOWED THAT THUNDERSTORMS WERE OCCURRING OVER CENTRAL THROUGH EASTERN PATRICK..WESTERN HENRY..WESTERN FRANKLIN AND SOUTHERN FLOYD COUNTIES. HEAVIEST RAINS APPEARED TO BE CENTERED FROM A FEW MILES NORTH OF STUART OVER TO CRITZ IN PATRICK COUNTY.. WHERE SOME AMOUNTS AROUND AN INCH IN TWO HOURS HAVE BEEN MEASURED. A SMALL STREAM FLOOD WATCH CONTINUES IN THESE COUNTIES. PERSONS LIVING NEAR FLOOD PRONE AREAS SHOULD BE ESPECIALLY ALERT SINCE THE RAINFALL ACTIVITY SHOWS ONLY SLOW MOVEMENT AND CONTINUED RAINS THE NEXT FEW HOURS IS POSSIBLE. STAY TUNED TO MEDIA AND NOAA WEATHER RADIO SOURCES IN THE EVENT A WARNING OF IMMINENT OR ACTUAL FLOODING IS REQUIRED. MCINTOSH
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 11:00 PM EDT | Flash Flood Warning | RNK | Bedford, Pittsylvania | 3 hr |
| Apr 16, 12:54 PM EDT | Flash Flood Warning | RNK | Craig | 3 hr |
Nearby
Flash Flood Warnings in Virginia, 1987Every flash flood warning in 1987
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.