Alert archive / North Carolina / Flash Flood Warnings in 1987
Flash Flood Warning 15, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Apr 24, 1987, 5:00 PM EDT for Rockingham County, North Carolina. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Apr 24, 1987, 5:00 PM EDT (21:00 UTC)
- Expired
- Apr 24, 1987, 8:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
County Rockingham 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 12:00Z, 9.0 hours before the alert went out and 37 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
- 11 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 567 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 128 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 242105 FFWGSO NCC157-250000- BULLETIN-IMMEDIATE BROADCAST REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREENSBORO NC 500 PM EDT FRI APR 24 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 800 PM EDT FOR THE FOLLOWING COUNTY IN NORTH CAROLINA...ROCKINGHAM AT 445 PM EDT EDEN POLICE REPORTED THAT THE DAN RIVER HAS COME OUT OF ITS BANKS AGAIN. MATRIMONY CREEK AT THE DAN RIVER WAS ALSO OUT OF ITS BANKS. THE WATER WAS OVER SOME ROADWAYS IN THE EDEN AREA..BUT SO FAR HAS NOT THREATENED ANY HOMES. THE RAIN OVER ROCKINGHAM COUNTY IS CLOSE TO ENDING BUT ADDITIONAL RUNOFF IS EXPECTED TO CONTINUE MAKE THE WATER RISE UNTIL ABOUT 8 PM. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN REPORTED. PERSONS IN THE WARNING AREA SHOULD TAKE IMMEDIATE ACTION. PERSONS IN THE WARNING AREA SHOULD NOT TRY TO WALK OR DRIVE ACROSS FAST FLOWING WATERS. PERSONS IN LOW LYING AREAS WHERE FLOODING IS OCCURRING\ OR EXPECTED SHOULD GET TO HIGHER GROUND IMMEDIATELY..IF POSSIBLE. THE EARLIER FLOOD WARNING FOR STOKES COUNTY WILL BE ALLOWED TO EXPIRE AT 600 PM AS NO NEW FLOODING HAS BEEN REPORTED. RBN
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 24, 11:27 AM EDT, 5 hours 33 minutes before
^WBCSPSROA
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ROANOKE VA
1120 AM EDT FRI APR 24 1987
...ROANOKE RIVER CONTINUES TO RISE AT ROANOKE...
AT 11 AM THE ROANOKE RIVER AT THE WALNUT STREET BRIDGE IN ROANOKE
HAD REACHED 7.6 FT AND WAS STILL RISING. THE RIVER IS EXPECTED TO
REACH A TEMPORARY CREST BY 3 PM AROUND 9 FT..WHICH IS ONLY ONE FT
BELOW FLOOD STAGE.
HOWEVER..MORE RAIN IS ON THE WAY AND MAY CONTINUE OFF AND ON INTO
TONIGHT. THE RAIN COULD BE MODERATE TO HEAVY AT TIMES. IF SO..THE
ROANOKE RIVER WILL LIKELY RISE PAST THE FLOOD STAGE WITH MODERATE
FLOODING OCCURRING BY MIDNIGHT. THOSE PERSONS OR BUSINESSES ALONG
THE RIVER AND MAJOR TRIBUTARIES SUCH AS MASONS ANxD TINKER CREEK
ARE URGED TO STAY TUNED TO NOAA RADIO AND TELEVISION OR RADIO TO
KEEP ABREAST OF THE SITUATION. $$
HMSpecial weather statement, Apr 24, 1:21 PM EDT, 3 hours 39 minutes before
^WBCSPSROA
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ROANOKE VA
115PM EDT FRI APR 24 1987
...ROANOKE RIVER APPROACHING TEMPORARY CREST...
AT 1 PM THE ROANOKE RIVER AT THE WALNUT STREET BRIDGE WAS JUST
BELOW 8 FT. IT IS STILL RISING..BUT SLOWLY.. AND APPEARS TO BE
HEADING FOR A MIDAFTERNOON CREST OF ABOUT 9 FT..STILL BELOW FLOOD
STAGE WHICH IS 10 FT.
MORE RAIN IS FALLING AND WILL LIKELY CONTINUE OFF AND ON INTO TONIGHT.
IN FACT..A HEAVY SHOWER WAS OBSERVED ALONG THE NORTH FORK OF THE
RIVER THE PAST HOUR. THE RIVER SHOULD REMAIN MORE OR LESS STEADY THE
REMAINDER OF THE AFTERNOON..BUT WITH MORE RAIN COMING IT WILL LIKELY
RESUME A RISE TO A FOOT OR TWO PAST FLOOD STAGE BY TOMORROW MORNING.
MONITOR NOAA WEATHER RADIO OR MEDIA SOURCES FOR FURTHER STATEMENTS OR
A WARNING IF IT BECOMES NECESSARY.$$
MCINTOSH
7Special weather statement, Apr 24, 4:27 PM EDT, 33 minutes before
^WBCSPSROA SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VA 425 PM EDT FRI APR 24 1987 ...SMITH MOUNTAIN LAKE LEVEL TO RISE... ACCORDING TO AN APCO SPOKESMAN...AND BASED ON CURRENT RAINFALL PROJECTIONS...APCO ESTIMATES THE LEVEL OF THE SMITH MOUNTAIN LAKE AT THE DAM WILL BE 3 TO 4 FT ABOVE THE FULL POOL ELEVATION OF 795 FT BETWEEN SATURDAY EVENING AND SUNDAY MORNING. HOMEOWNERS AND BOATOWNERS THERE THAT NEED TO ATTEND TO ITOEMS ARE URGED TO TAKE IMMEDIATE ACTIONS TO PROTECT PROPERTY. HM/TE
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 1:06 PM EDT | Severe Thunderstorm Warning | RNK | Rowan | 54 min |
| Apr 24, 2:50 PM EDT | Flash Flood Warning | RNK | Stokes | 3 hr |
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.