Alert archive / North Carolina / Flash Flood Warnings in 1987
Flash Flood Warning 5, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Apr 15, 1987, 10:13 PM EDT for Davidson County, Guilford County, North Carolina. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Apr 15, 1987, 10:13 PM EDT (02:13 UTC)
- Expired
- Apr 16, 1987, 1:10 AM EDT
- In force
- 3 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
Counties Davidson County, NC, Guilford 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
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 2.2 hours before the alert went out and 18 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 KGSO 160213 FFWGSO NCC081-057-160510- BULLETIN - IMMEDIATE BROADCAST REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREENSBORO NC 1013 PM EDT WED APR 15 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 110 AM EDT FOR THE FOLLOWING COUNTIES OF NORTH CAROLINA... GUILFORD... DAVIDSON AT 1015 PM RADAR INDICATES VERY HEAVY RAIN CONTINUING IN DAVIDSON AND GUILFORD COUNTIES. MANY ROADWAYS ARE BEGINNING TO FLOOD IN BOTH COUNTIES A REPORT OF UP TO 2 FEET OF WATER HAS COLLECTED ON SOME ROADWAYS IN GUILFORD COUNTY. ADDITIONALLY.. MORE HEAVY RAIN IS LIKELY IN GUILFORD COUNTY AS THUNDERSTORMS IN RANDOLPH COUNTY MOVE TO THE NORTHEAST INTO GUILFORD COUNTY. A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR HAS BEEN REPORTED. PEOPLE IN THE WARNING AREA SHOULD TAKE IMMEDIATE ACTION TO PROTECT LIVES AND PROPERTY FROM RAPIDLY RISING AND SWIFTLY MOVING WATER. RESIDENTS LIVING NEAR STREAMS..CREEKS OR AREAS PRONE TO FLOODING DUE TO FAST RISING WATER SHOULD BE ESPECIALLY ALERT AND WATCHFUL. MOTORISTS SHOULD BE PARTICULARLY CAUTIOUS AND NOT ATTEMPT TO CROSS ANY ROADWAY..BRIDGE OR LOW LYING AREA INUNDATED WITH SWIFTLY MOVING WATER. PEDESTRIAjNS AS WELL SHOULD NOT ATTEMPT TO CROSS ANY AREA CONTAINING RAPIDLY MOVING WATER ESPECIALLY IF THE WATER DEPTH IS ABOVE KNEE LEVEL. RJK
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, 1 hour 39 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, 1 hour 30 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, 8:25 PM EDT | Severe Thunderstorm Warning | RNK | Davidson | 65 min |
| Apr 15, 9:37 PM EDT | Flash Flood Warning | RNK | Randolph | 3 hr |
| Apr 15, 10:56 PM EDT | Flash Flood Warning | RNK | Caswell, Rockingham | 4 hr |
| Apr 16, 1:24 AM EDT | Flash Flood Warning | RNK | Davidson, Guilford | 96 min |
Nearby
Flash Flood Warnings in North Carolina, 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.