Alert archive / North Carolina / Flash Flood Warnings in 1989
Flash Flood Warning 9, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Aug 17, 1989, 11:36 PM EDT for Moore County, North Carolina. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Aug 17, 1989, 11:36 PM EDT (03:36 UTC)
- Expired
- Aug 18, 1989, 3:45 AM EDT
- In force
- 4 hr
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Moore 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, 3.6 hours before the alert went out and 94 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 180336
FFWRDU
NCC125-180745-
BULLETIN
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
1136 PM EDT THU AUG 17 1989
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL 345 AM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH CENTRAL NORTH CAROLINA
...MOORE
THE FLOOD WARNING ISSUED EARLIER FOR MOORE COUNTY HAS BEEN EXTENDED.
TORRENTIAL RAIN FROM THUNDERSTORMS DURING THE EVENING HOURS PRODUCED
SOME FLOODING ON HIGHWAYS 211 AND 73 IN THE WEST END TO JACKSON
SPRINGS AREA.
ALTHOUGH THE HEAVY RAINFALL HAS ENDED AND ONLY LIGHT TO OCCASIONAL
MODERATE RANFALL IS EXPECTED OVERNIGHT...THE FLOOD WARNIGS WAS
EXTENDED AS THE WATER ON THE ROADS HAS BEEN SLOW TO DRAIN.
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 SH_OULD 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, 6:26 PM EDT, 5 hours 10 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, 4 hours 35 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, 3 hours 18 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, 2 hours 48 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, 2 hours 10 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
Special weather statement, Aug 17, 11:04 PM EDT, 32 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 1100 PM EDT THU AUG 18 1989 ... THUNDERSTORMS LINGER ACORSS NORTHEAST PIEDMONT AND SANDHILLS ... AT 1100 PM NATIONAL WEATHER SERVICE RADAR SHOWED THE THUNDERSTORMS WITH THE HEAVIEST RAIN HAVE DECREASED IN AREAL COVERAGE. HOWEVER THERE WERE STILL SOME AREAS RECEIVING HEAVY RAIN INCLUDING...SOUTHERN FRANKLIN COUNTY...DURHAM COUNTY...NORTHWEST CHATHAM COUNTY...AND EXTREME NORTHEAST HARNETT COUNTY. THUNDERSTORMS HAVE BEEN DEVELOPING ALONG A NEARLY STATIONARY FRONTAL BOUNDARY. THE THUNDERSTORMS HAVE BEEN SLOW MOVERS WITH WEAK STEERING WINDS ALOFT. THUNDERSTORMS HAVE REPEATLY MOVE ACROSS THE SAME AREAS RESULTING IN SOME IMPRESSIVE RAINFALL TOTALS INCLUDING... 6 INCHES AT ANGIER IN NORTHEAST HARNETT COUNTY...4.60 INCHES WILLOW SPRINGS IN SOUTHERN WAKE COUNTY... 4 INCHES AT ABERDEEN IN SOUTHERN MOORE COUNTY. THE RALEIGH-DURHAM AIRPORT HAS RECEIVED NEARLY 2 INCHES...WHILE RADAR ESTIMATES INDICATE THAT 1 TO 3 INCHES OF RAIN HAS FALLEN OVER A LARGE PORTION OF THE NORTHEAST PIEDMONT AND SANDHILLS. THE RAINFALL HAS RESULTED IN FOOLDING ON ROADWAYS AND IN LOW LYING AREAS OF MOORE AND HARNETT COUNTIES...MAINLY IN THE AREA AROUND ANGIER IN HARNETT AND IN THE WEST END TO JACKSON SPRINGS AREA OF MOORE COUNTY. ALTHOUGH THE HEAVY RAIBN HAS ENDED IN MOORE COUNTY AND WAS MOVING OUT OF HARNETT COUNTY...THE FLOOD WARNINGS WILL BE IN EFFECT UNTIL 3 AM AS THE WATER WAS SLOW TO DRAIN AND RECEDE. WHILE THERE MAY BE A FEW EMBEDDED THUNDERSTORMS WITH ADDITIONAL LOCALLY HEAVY RAINFALL...THE CURRENT TRENDS WOULD INDICATE THAT THOSE SHOWERS CONTINUING THROUGH THE NIGHT SHOULD PRODUCE ONLY LIGHT TO MODERATE RAINFALL. THANKS TO THE EFFORTS OF DISPACTERS AT THE VARIOUS COUNTY SHERIFFS OFFICE FOR THEIR REPORTS OF FLOODING CONDITIONS AND THANKS TO THE WEATHER STAFFS AT THE AREAL TV STATIONS FOR RELAYING RAINFALL AMOUNTS FOR THE AREA TO US FROM WEATHER SPOTTERHS. 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, 10:45 PM EDT | Flash Flood Warning | RAH | Harnett | 4 hr |
| Aug 17, 11:19 PM EDT | Flash Flood Warning | RAH | Hoke | 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.