Alert archive / North Carolina / Flash Flood Warnings in 1989
Flash Flood Warning 6, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Aug 17, 1989, 8:42 PM EDT for Moore County, North Carolina. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Aug 17, 1989, 8:42 PM EDT (00:42 UTC)
- Expired
- Aug 17, 1989, 11:45 PM EDT
- In force
- 3 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, 0.7 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
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, 3:26 PM EDT, 5 hours 16 minutes before
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</html>Special weather statement, Aug 17, 3:52 PM EDT, 4 hours 50 minutes before
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</html>Special weather statement, Aug 17, 5:08 PM EDT, 3 hours 34 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, 2 hours 16 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, 1 hour 41 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, 24 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
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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 |
| 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.