Alert archive / North Carolina / Flash Flood Warnings in 1989
Flash Flood Warning 7, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Aug 17, 1989, 10:45 PM EDT for Harnett County, North Carolina. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Aug 17, 1989, 10:45 PM EDT (02:45 UTC)
- Expired
- Aug 18, 1989, 2:45 AM EDT
- In force
- 4 hr
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Harnett 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, 2.8 hours before the alert went out and 122 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
- 138 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 1232 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- -8 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 180247 RRA
FFWRDU
NCC085-180645-
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
1045 PM EDT THU AUG 17 1989
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL 245 AM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHEAST NORTH CAROLINA
...NORTHERN HARNETT
AT 104O PM FLOODING WAS REPORTED IN ANGIER. STATE ROAD 1441 2 MILES
WEST OF ANGIER FLOODING OUT COMPLETELY AND STATE ROAD 2030 ONE QUARTER
OF A MILE FROM HIGHWAY 401 ALSO WASHED OUT.
THE FLOODING WAS DUE TO TORRENTIAL RAINS FROM THUNDERSTORMS MOVING
VERY SLOWLY ACROSS THE COUNTY. THUNDERSTORMS WITH LOCALLY HEAVY RAINS
WILL CONTINUE OVER THE COUNTY FOR THE NEXT OR SO BUT THE RAIN IS
DIMINISHING. RAINFALL AMOUNTS OF UP TO SIX INCHES HAVE BEEN REPORTED
IN NORTHERN HARNETT COUNTY AROUND ANGIER.
IN ADDITION TO FLOODING ALONG ROADWAYS THERE MAY BE FLOODING OF SMALL
STREAMS AND LOW LYING AREAS.
1
RA
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, Aug 17, 5:08 PM EDT, 5 hours 37 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 505 PM EDT THU AUG 17 1989 ...THUNDERSTORM WITH VERY HEAVY RAIN SOUTH OF MOORESVILLE NC... AT 500 PM RADAR SHOWED A THUNDERSTORM WITH VERY HEAVY RAIN JUST SOUTH OF MOORSEVILLE NORTH CAROLINA ALONG THE IREDELL..MECKLENBURG COUNTY LINE. THE STORM WAS MOVING EAST NORTHEAST AT 15 MPH. ALONG WITH THE HEAVY RAIN..THIS STORM HAS PRODUCED PEA TO MARBLE SIZE HAIL..WIND GUSTS TO 50 MPH AND FREQUENT DANGEROUS LIGHTNING IN THE PAST HOUR. THE SLOW MOVEMENT OF THE STORM COULD ALSO PRODUCE SOME BRIEF SMALL STREAM AND URBAN FLOODING. PEOPLE IN SOUTHERN IREDELL AND ROWAN COUNTIES SHOULD BE ON THE LOOKOUT FOR THE THREATENING WEATHER CONDITIONS AND SHOULD QUICKLY TAKE SHELTER IF STORMS APPROACH. RBN
Special weather statement, Aug 17, 6:26 PM EDT, 4 hours 19 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 630 PM EDT THU AUG 17 1989 ...THUNDERSTORMS OVER TRIANGLE AREA... AT 630 PM...RADAR INDICATED AN AREA OF THUNDERSTORMS WITH VERY HEAVY RAIN OVER MUCH OF THE TRIANGLE AREA. THESE STORMS WERE PRODUCING TORRENTIAL RAIN WHICH WILL RESULT IN THE PONDING OF WATER ON STREETS.. MOTORIST SHOULD USE CUATION. DUE TO THE SLOW MOVEMENT OF THE STORMS THERE MAY ALSO BE SOME LOCALIZED FLOODING OF STREETS OR LOW LYING AREAS. PLEASE REPORT ANY FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY WHICH WILL RELAY THE REPORTS TO THE NATIONAL WEATHER SERVICE. THESE STORMS WERE MOVING SLOWLY NORTHEAST AND WILL BE AFFECTING THE TRIANGLE AREA THROUGH 8 PM. OTHER THUNDERSTORMS MAY DEVELOP LATER THIS EVENING. MEANWHILE OTHER THUNDERSTORMS HAD DEVELOPPED IN THE GOLDSBORO AREA. - LISTEN TO NOAA WEATHER RADIO...LOCAL RADIO OR TV FOR ADDITIONAL STATEMENTS OR POSSIBLE WARNINGS. KK
Special weather statement, Aug 17, 7:01 PM EDT, 3 hours 44 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 705 PM EDT THU AUG 17 1989 ...THUNDERSTORMS OVER MOORE COUNTY... AT 705 PM...RADAR INDICATED AN AREA OF THUNDERSTORMS WITH VERY HEAVY RAIN OVER MUCH OF MOORE COUNTY. THESE STORMS WERE PRODUCING VERY HEAVY RAIN WHICH WILL RESULT IN THE PONDING OF WATER ON STREETS.. MOTORIST SHOULD USE CUATION. DUE TO THE SLOW MOVEMENT OF THE STORMS THERE MAY ALSO BE SOME LOCALIZED FLOODING OF STREETS OR LOW LYING AREAS. PLEASE REPORT ANY FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY WHICH WILL RELAY THE REPORTS TO THE NATIONAL WEATHER SERVICE. THESE STORMS WERE MOVING SLOWLY NORTHEAST AND WILL BE AFFECTING THE MOORE COUNTY THROUGH 830 PM. OTHER THUNDERSTORMS MAY DEVELOP LATER THIS EVENING. FREQUENT CLOUD TO GROUND LIGHTNING AND SMALL HAIL MAY ALSO ACCOMPANY THESE STORMS. THE THUNDERSTORMS IN THE TRIANGLE AREA HAVE GENERALLY MOVED EAST AND NORTH OF THE RALEIGH-DURHAM AIRPORT WHERE 1.06 INCHES OF RAIN FELL BETWEEN 6 AND 7 PM. HAEVY RAIN WAS STILL FALLING BETWEEN THE AIRPORT AND RALEIGH AS THIS STORM TRACKES SLOWLY NORTHEAST. MEANWHILE SHOWERS AND THUNDERSTORMS WERE OVER PORTIONS OF GRANVILLE..VANCE..AND FRNAKLIN COUNTI ES MOVING NORTHEAST AT 10 MPH. LISTEN TO NOAA WEATHER RADIO...LOCAL RADIO OR TV FOR ADDITIONAL STATEMENTS OR POSSIBLE WARNINGS. KK
Special weather statement, Aug 17, 8:18 PM EDT, 2 hours 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 820 PM EDT THU AUG 17 1989 ...THUNDERSTORMS CONTINUING OVER MOORE COUNTY... AT 820 PM...RADAR INDICATED AN AREA OF THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUING OVER MUCH OF MOORE COUNTY. THESE STORMS HAVE ALSO PRODUCE PEA TO MARBLE SIZE HAIL IN SOUTHERN MOORE COUNTY. THE HEAVY RAIN HAS CAUSED WIDESPREAD PONDING OF WATER ON ROADS...MOTORIST PLEASE USE CUATION. DUE TO THE SLOW MOVEMENT OF THE STORMS THERE MAY ALSO BE SOME LOCALIZED FLOODING OF STREETS..LOW LYING AREAS..AND SMALL STREAMS. PLEASE REPORT ANY FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY WHICH WILL RELAY THE REPORTS TO THE NATIONAL WEATHER SERVICE. THESE STORMS WERE MOVING SLOWLY NORTHEAST AND WILL BE AFFECTING THE MOORE COUNTY THROUGH 900 PM. OTHER THUNDERSTORMS MAY DEVELOP LATER THIS EVENING. DANGEROUS AND FREQUENT CLOUD TO GROUND LIGHTNING WAS ALSO ACCOMPANYING THESE STORMS. MEANWHILE OTHER THUNDERSTORMS WITH TORRENTIAL RAIN WERE OVER THE JUNTURE OF WAKE...JOHNSTON...AND HARNETT COUNTIES MOVING SLOWLY NORTHEAST. LOCALIZED FLOODING MAY ALSO OCCUR WITH THESE STORMS AS WELL AS DANGEROUS CLOUD TO GROUND LIGHTNING. OTHER THUNDERSTORMS WITH HEAVY RAIN WERE OVER WESTERN CHATHAM COUNTY MOVING SLOWLY NORTHEAST AND WILL LIKELY ENTER SOUTHERN ORANGE COUNTY AROUND 9 PM. SOME SMALL HAIL MAY OCCUR WITH THESE STORMS AS WELL AS TORRENTIAL RAIN AND FREGUENT CLOUD TO GROUND LIGHTNING. LISTEN TOY NOAA WEATHER RADIO..LOCAL TV...OR RADIO FOF ADDITIONAL STATEMENTS AND POSSIBLE WARNIINGS. KK
Special weather statement, Aug 17, 8:48 PM EDT, 1 hour 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 850 PM EDT THU AUG 18 1989 ....HEAVY THUNDERSTORMS MOVING ACROSS THE NORTHEAST PIEDMONT... AAT 840 PM NATIONAL WEATHER SERVICE RADAR SHOWED AN AREA OF THUNDERSTORMS MOVING ACROSS THE NORTHEAST PIEDMONT IN WAKE AND DURHAM COUNTIES. SOME OF THESE THUNDERSTORMS WERE PRODUCING LOCALLY HEAVY RAINS WHICH MAY CAUSE PONDING OF WATER ON ROADS... FLOODING IN POOR DRAINAGE AREAS AND MAY CAUSE SOME SMALL STREAMS TO RISE RAPIDLY TO BANKFULL. SOME FLOODING OF ROADS HAVE BEEN REPORTED AROUND THE RALEIGH DURHAM AIRPORT. PERSONS IN THE TRIANGLE AREA SHOULD BE ALERT FOR THE NEXT FEW HOURS FOR LOCALLY HEAVY DOWNPOURS AND POSSIBLE FLOODING ESPECIALLY IN POOR DRAINAGE AREAS. LOCALLY HEAVY RAINS OVER MOORE COUNTY HAVE SOME FLOODING...THUS A SMALL STREAM FLOOD WARNING HAS BEEN ISSUED FOR THE COUNTY UNTIL 1145PM. THESE SHOWERS AND THUNDERSTORMS ARE MOVING SLOWLY TO THE NORTHEAST AB|OUT 10 MPH. LISTEN TO NOAA WEATHER RADIO...LOCAL TV...OR RADIO FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS. RA
Special weather statement, Aug 17, 9:26 PM EDT, 1 hour 19 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 925 PM EDT THU AUG 18 1989 ....HEAVY THUNDERSTORMS MOVING ACROSS HARNETT COUNTY... AAT 925 PM NATIONAL WEATHER SERVICE RADAR SHOWED AN AREA OF THUNDERSTORMS MOVING SLOWLY ACROSS HARNETT COUNTY. THESE THUNDERSTORMS WERE PRODUCING TORRNETIAL RAIN AND FREQUENT LIGHTNING. DUE TO THE SLOW MOVEMENT OF THE STORMS THERE WILL BE PONDING OF WATER ON ROADWAYS AND MOTORIST SHOULD USE CAUTION. THERE MAY ALSO BE SOME LOCALIZED FLOODING OF LOW LYING AREAS AND OF SMALL STREAMS. PLEASE REPORT ANY FLOODING TO THE NEAREST LAW ENFORECEMENT OFFICALS WHO WILL THEN RELAY THE REPORT TO THE NATIONAL WEATHER SERVICE. MEANWHILE THUNDERSTORMS WILL LOCALLY HEAVY RAIN WERE ALSO OVER PORTIONS OF WAKE..DURHAM..ORANGE AND CHATHAM COUNTY. THESE STORMS WERE MOVING SLOWLY NORTHEAST. ^ A SMALL STREAM AND URBAN FLOOD WARNING CONTINUE IN EFFECT UNTIL 1145 PM FOR MOORE COUNTY WHERE THERE HAS BEEN FLOODING ON HIGHWAYS 211 AND 73 NEAR THE TOWN OF WEST END. THE RAINFALL HAS DIMINSHED IN MOORE COUNTY BUT ADDITIONAL THUNDERSTORMS MAY DEVELOP LATER TONIGHT. FINALLY SHOWERS AND THUNDERSTORMS..SOME WITH HEAVY RAIN WERE OVER SCOTLAND COUNTY MOVING NORTHEAST 10 MPH. LISTEN TO NOAA WEATHER RADIO...LOCAL TV...OR RADIO FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS. KK
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 8:42 PM EDT | Flash Flood Warning | RAH | Moore | 3 hr |
| Aug 17, 11:19 PM EDT | Flash Flood Warning | RAH | Hoke | 4 hr |
| Aug 17, 11:36 PM EDT | Flash Flood Warning | RAH | Moore | 4 hr |
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.