Alert archive / North Carolina / Flash Flood Warnings in 1989
Flash Flood Warning 2, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Apr 30, 1989, 8:30 PM EDT for Wake County, North Carolina. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Apr 30, 1989, 8:30 PM EDT (00:30 UTC)
- Expired
- Apr 30, 1989, 10:30 PM EDT
- In force
- 2 hr
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Wake 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, 0.5 hours before the alert went out and 117 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
- 15 kt
- 0-1 km storm-relative helicity
- -36 m²/s²
- 0-3 km storm-relative helicity
- -29 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 010032
FFWRDU
NCC183-010230-
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
830 PM EDT SUN APR 30 1989
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL 1030 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTH CENTRAL NORTH CAROLINA
...WAKE
RAIN AND SCATTERED THUNDERSTORMS DURING THE AFTERNOON AND EVENING
RESULTED IN RAINFALL TOTALS APPROACHING THREE INCHES IN SOME SECTIONS
OF WAKE COUNTY. MINOR FLOODING OF STREETS AND HIGHWAYS HAS BEEN
REPORTED FROM EASTERN WAKE COUNTY AND IN THE CITY OF RALEIGH.
AT 830 PM...NATIONAL WEATHER SERVICE RADAR SHOWED A LARGE AREA OF RAIN
MOVING NORTHWARD INTO WAKE COUNTY. LOCALLY HEAVY RAIN FALLING IN THOSE
LOCATIONS THAT EXPERIENCED SUBSTANTIAL RAINFALL EARLIER...WILL HAVE
CONTINUED FLOODING OF STREETS AND HIGHWAYS. RAPID RISES OF WATER
LEVELS IN CREEKS AND STREAMS WILL ALSO OCCUR.
PERIODS OF MODERATE TO HEAVY RAIN WILL AFFECT WAKE COUNTY UNTIL AT
LEAST 10 PM.
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 QUICKLY. MOVE TO HIGHER GROUND.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 30, 5:05 PM EDT, 3 hours 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 500 PM EDT SUN APR 30 1989 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 900 PM EDT FOR THE NORTHWEST PIEDMONT COUNTIES OF DAVIDSON..ROWAN..DAVIE..IREDELL AND RANDOLPH... AT 450 PM RADAR SHOWS SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY DOWNPOURS AND GUSTY WINDS...EXTENDED FROM THE RALEIGH AREA TO THE SOUTHERN PIEDMONT. THE STORM MOVEMENT WAS TO THE NORTHEAST AT 20 MILES AN HOUR. IN THE PAST HOUR THE AREAL MOVEMENT APPEARED TO BE MOVING OR BUILDING TOWARDS THE NORTH. THE ONLY PART OF THE AREA OF STORMS CURRENTLY OVER THE NORTHWEST PIEDMONT IS IN EASTERN RANDOLPH AND SOUTHERN DAVIDSON COUNTIES AND THESE STORMS CONTAIN ONLY ISOLATED HEAVY RAIN AND POSSIBLY SOME GUSTY WINDS. PERSONS IN THE SOUTHERN PART OF THE NORTHWEST PIEDMONT SHOULD BE ON THE LOOKOUT FOR THREATNING WEATHER AND TAKE SHELTER IF STORMS APPROACH OR DEVELOPE. THE NEXT STATEMENT WILL BE ISSUED AROUND 6 PM OR EARLIER IF CONDITIONS WARRANT. GR
Special weather statement, Apr 30, 6:00 PM EDT, 2 hours 30 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 600 PM EDT SUN APR 30 1989 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM THIS EVENING FOR SOUTH CENTRAL AND MOST OF EASTERN NORTH CAROLINA... AT 550 PM...WEATHER RADAR SHOWED SHOWERS AND THUNDERSTORMS FROM THE SANDHILLS NORTHEAST INTO THE TRIANGLE AREA AND THE CENTRAL AND NORTHERN COASTAL PLAIN. THE HEAVIEST STORMS WERE IN THE SANDHILLS FROM RICHMOND COUNTY ACROSS HOKE AND NORTHERN CUMBERLAND COUNTY. OTHER STRONG STORMS EXTENDED FROM EASTERN WAKE COUNTY EAST INTO NORTHERN WILSON...SOUTHERN EDGECOMBE AND NORTHERN PITT COUNTIES. THESE STORMS HAVE BEEN DRIFTING SLOWLY TOWARD THE NORTH AROUND 15 MPH. THESE STORMS WILL PRODUCE LOCALLY HEAVY RAINS AND BECAUSE OF THEIR SLOW MOVEMENT...HIGHWAY AND LOWLAND FLOODING IS POSSIBLE. COUNTY EMERGENCY COMMUNICATIONS UNITS AND HAM RADIO OPERATORS IN RICHMOND...MOORE...WAKE AND WILSON COUNTIES HAVE REPORTED TORRENTIAL RAINS. PEA SIZE HAIL HAS BEEN REPORTED SINCE 500PM IN SOUTHERN WILSON COUNTY AND EASTERN WAKE COUNTY. MARBLE SIZE HAIL WAS REPORTED IN EASTERN CUMBERLAND COUNTY AT 550 PM. TAKE SHELTER AS THE STORMS APPROACH...THEY WILL BE ACCOMPANIED BY LOCALLY TORRENTIAL RAINS...HAIL AND POSSIBLY STRONG GUSTY WINDS. LISTEN TO LOCAL RADIO...TELEVISION OR WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. HLW
Special weather statement, Apr 30, 6:01 PM EDT, 2 hours 29 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 600 PM EDT SUN APR 30 1989 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 900 PM EDT FOR THE NORTHWEST PIEDMONT COUNTIES OF DAVIDSON..ROWAN..DAVIE..IREDELL AND RANDOLPH... AT 555 PM RADAR SHOWS SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY DOWNPOURS AND GUSTY WINDS...EXTENDED FROM THE FAYETTEVILLE AREA TO NORTHERN SOUTH CAROLINA. OTHER SHOWERS AND THUNDERSTORMS OF LESSER INTENSITY WERE WIDELY SCATTERED OVER ROWAN AND SOUTHERN DAVIDSON COUNTIES OF THE NORTHWEST PIEDMONT AND OVER THE NORTHERN FOOTHILLS. MOVEMENT WAS TO THE NORTHEAST AT 20 MILES AN HOUR WHILE THE AREAL MOVEMENT WAS SLOWLY TO THE NORTH. THE STRONGEST STORM WAS JUST TO THE SOUTHEAST OF SALISBURY IN ROWAN COUNTY WITH ONLY HEAVY RAIN AND POSSIBLY SOME GUSTY WINDS. PERSONS IN THE SOUTHERN PART OF THE NORTHWEST PIEDMONT SHOULD BE ON THE LOOKOUT FOR THREATNING WEATHER AND TAKE SHELTER IF STORMS APPROACH OR DEVELOPE. OTHER STATEMENTS WILL BE ISSUED IF CONDITIONS WARRANT. GR
Special weather statement, Apr 30, 7:39 PM EDT, 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 738 PM EDT SUN APR 30 1989 SEVERE THUNDERSTORM WATCH NUMBER 146 WHICH COVERED MUCH OF CENTRAL AND EASTERN NORTH CAROLINA IS NO LONGER IN EFFECT. ALSO...THE PORTION OF SEVERE THUNDERSTORM WATCH WHICH INLUDED A SMALL PART OF CENTRAL NORTH CAROLINA HAS BEEN CANCELLED. THERE ARE NO SEVERE THUNDERSTORM WATCHES IN NORTH CAROLINA. AT 735 PM...NATIONAL WEATHER SERVICE RADAR SHOWED RAIN AND A FEW THUNDERSTORMS CONTINUING OVER PARTS OF THE COASTAL PLAIN...SANDHILLS... AND PIEDMONT. SOME OF THE HEAVIEST RAIN WAS OCCURRING IN CENTRAL AND EASTERN CHATHAM COUNTY...SOUTHERN AND EASTERN WAKE COUNTY...AND IN CUMBERLAND AND HARNETT COUNTIES. THE RAIN AND THUNDERSTORMS WERE MOVING VERY SLOWLY. THEREFORE... PERSISTENT HEAVY RAINFALL IN AREAS THAT HAD SUBSTANTIAL RAIN EALIER COULD EXPERIENCE MINOR FLOODING OF STREETS...HIGHWAYS...AND POOR DRAINAGE AREAS. SMALL CREEKS AND STREAMS CO7ULD BE SUBJECT TO RAPID RISES. LISTEN TO RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS AND POSSIBLY WATCHES OR WARNINGS. LGL
Special weather statement, Apr 30, 7:49 PM EDT, 41 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 745 PM EDT SUN APR 30 1989 ...SEVERE THUNDERSTORM WATCH FOR THE NORTHWEST PIEDMONT COUNTIES OF DAVIDSON..ROWAN..DAVIE..IREDELL AND RANDOLPH HAS BEEN CANCELLED. AT 740 PM RADAR SHOWS SCATTERED SHOWERS AND POSSIBLE SOME THUNDERSTORMS IN SOUTHERN FORSYTH AND NORTHERN DAVIDSON COUNTIES OF NORTH CAROLINA. ALSO SCATTERED SHOWERS IN SOUTHERN ROWAN COUNTY. THESE STORMS ARE MOVING SLOWLTY NORTHEAST AT ABOUT 5 MPH. THIS WILL BE THE LAST STATEMENT ON THESE STORMS. DEH THE LOOKOUT FOR THREATNING WEATHER AND TAKE SHELTER IF STORMS APPROACH OR DEVELOPE. OTHER STATEMENTS WILL BE ISSUED IF CONDITIONS WARRANT. GR
Special weather statement, Apr 30, 7:52 PM EDT, 38 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 745 PM EDT SUN APR 30 1989 ...SEVERE THUNDERSTORM WATCH FOR THE NORTHWEST PIEDMONT COUNTIES OF DAVIDSON..ROWAN..DAVIE..IREDELL AND RANDOLPH HAS BEEN CANCELLED. AT 740 PM RADAR SHOWS SCATTERED SHOWERS AND POSSIBLE SOME THUNDERSTORMS IN SOUTHERN FORSYTH AND NORTHERN DAVIDSON COUNTIES OF NORTH CAROLINA. ALSO SCATTERED SHOWERS IN SOUTHERN ROWAN COUNTY. THESE STORMS ARE MOVING SXLOWLY NORTHEAST AT ABOUT 5 MPH. THIS WILL BE THE LAST STATEMENT ON THESE STORMS. DEH
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 4:35 PM EDT | Severe Thunderstorm Warning | RAH | Wake | 55 min |
| May 1, 6:30 PM EDT | Tornado Warning | RAH | Scotland | 45 min |
| May 1, 6:39 PM EDT | Tornado Warning | RAH | Hoke, Moore | 66 min |
Nearby
Flash Flood Warnings in North Carolina, 1989Every flash flood 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; the sounding from the Mesonet's radiosonde archive.