Alert archive / North Carolina / Flash Flood Warnings in 1990
Flash Flood Warning 3, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Aug 15, 1990, 11:15 PM EDT for Greene County, North Carolina. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Aug 15, 1990, 11:15 PM EDT (03:15 UTC)
- Expired
- Aug 16, 1990, 1:45 AM EDT
- In force
- 3 hr
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Greene 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
Cape Hatteras, NC (KHAT), launched 00:00Z, 3.3 hours before the alert went out and 199 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
- 739 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 1113 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 27 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 KRDU 160315 FFWRDU NCC079-160545- BULLETIN FLOOD WARNING NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC 1115 PM EDT WED AUG 15 1990 THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 145 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL NORTH CAROLINA ...GREENE COUNTY AT 1105 PM THE GREENE COUNTY SHERIFFS OFFICE REPORTED FLOODING ALONG STATE ROAD 1335 AND HIGHWAY 903 IN THE SOUTHEASTERN PORITON OF THE COUNTY NEAR THE PITT COUNTY LINE. THE FLOODING IS DUE TO PRESISTANT VERY SLOW MOVING THUNDERSTORM OVER THE AREA. MORE THUNDERSTORM ARE EXPECTED TO MOVE EAST ACROSS THE COUNTY UNTIL A FEW HOURS PAST MIDNIGHT TONIGHT. MEANWHILE A FLOOD WARNING CONTINUE IN EFFECT FOR PITT COUNTY UNTIL 145 AM. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLYv. MOVE TO HIGHER GROUND. KK
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, Aug 15, 5:23 PM EDT, 5 hours 52 minutes before
NCZ007-152200- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE GREENSBORO NC 507 PM EDT WED AUG 15 1990 ...THUNDERSTORM WITH VERY HEAVY RAIN OVER SOUTHERN WILKES COUNTY IN THE NORTHERN FOOTHILLS OF NORTH CAROLINA... AT 505 PM NATIONAL WEATHER SERVICE RADAR SHOWED A THUNDERSTORM WITH VERY HEAVY RAIN OVER SOUTHERN WILKES COUNTY JUST SOUTH OF WILKESBORO THE STORM WAS MOVING SOUTHEAST AT ABOUT 10 MPH. ALONG WITH THE VERY HEAVY RAIN THIS THUNDERSTORM MAY PRODUCE... ...FREQUENT DEADLY LIGHTNING...GUSTY WINDS AND SOME MINOR FLOODING OF STREAMS AND ROADS. IF YOU ARE IN THE PATH OF THIS STORM THEN BE ON THE ALERT FOR THREATENING WEATHER CONDITIONS AND BE PREPARED TO TAKE SAFE SHELTER IF THE STORM APPROACHES. WHB ...CORRECTION FOR DATE...
Special weather statement, Aug 15, 8:56 PM EDT, 2 hours 19 minutes before
NCZ004-160200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 900 PM EDT TUE AUG 14 1990 ...THUNDERSTORMS CONTINUE OVER PITT COUNTY... AT 9 PM NATIONAL WEATHER SERVICE RADAR INDICATED A CLUSTER OF THUNDERSTORMS PERSISTING OVER THE CENTRAL AND EASTERN PORTIONS OF PITT COUNTY. THESE STORMS WERE ACCOMPAINED BY FREQUENT AND DANGEROUS CLOUD TO GROUND LIGHTNING AND HEAVY RAIN. PERSONS IN PITT COUNTY SHOULD SEEK SAFE SHELTER FROM THE LIGHTINING. THE THUNDERSTORMS MAY PERSIST FOR ANOTHER FEW HOURS WITH SOME LOCAL FLOODING OF LOW LYING AREAS...SMALL STREAMS...AND STREET FLOODING IN URBAN AREAS POSSIBLE. THE PONDING OF WATER ON ROADWAYS CAN CAUSE ACCIDENTS AND MOTORIST SHOULD USE CAUTION. KK
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 15, 10:37 PM EDT | Flash Flood Warning | RAH | Pitt | 3 hr |
| Aug 16, 12:42 PM EDT | Severe Thunderstorm Warning | RAH | Chatham, Orange | 63 min |
| Aug 16, 1:47 PM EDT | Severe Thunderstorm Warning | RAH | Chatham | 43 min |
| Aug 16, 3:32 PM EDT | Severe Thunderstorm Warning | RAH | Moore | 58 min |
| Aug 16, 4:33 PM EDT | Severe Thunderstorm Warning | RAH | Hoke, Moore, Scotland | 42 min |
| Aug 16, 7:18 PM EDT | Severe Thunderstorm Warning | RAH | Wake | 42 min |
Nearby
Flash Flood Warnings in North Carolina, 1990Every flash flood 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.