Alert archive / North Carolina / Flash Flood Warnings in 1993
Flash Flood Warning 5, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at May 6, 1993, 2:50 AM EDT for Franklin County, North Carolina. It was in force for 115 min.
The area
The counties it named.
The facts
- Issued
- May 6, 1993, 2:50 AM EDT (06:50 UTC)
- Expired
- May 6, 1993, 4:45 AM EDT
- In force
- 115 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Franklin County, NC
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 6.8 hours before the alert went out and 145 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
- 794 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1357 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KRDU 060651 FFWRDU NCC069-060845- BULLETIN - IMMEDIATE BROADCAST REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC 250 AM EDT THU MAY 6 1993 THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 445 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL NORTH CAROLINA ...FRANKLIN COUNTY STRONG THUNDERSTORMS AND VERY HEAVY RAINFALL HAVE PERSISTED OVER FRANKLIN COUNTY FOR NEARLY THREE HOURS. RAINFALL AMOUNTS HAVE LIKELY EXCEEDED THREE INCHES IN SOME AREAS OF THE COUNTY. THE HEAVIEST RAIN HAS MOVED INTO SOUTHERN AND EASTERN PARTS OF THE COUNTY WHERE ANOTHER 1 TO 2 INCHES MAY FALL BEFORE ENDING. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
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, May 6, 1:40 AM EDT, 1 hour 10 minutes before
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
Special weather statement, May 6, 1:40 AM EDT, 1 hour 10 minutes before
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
Local storm report, May 6, 1:52 AM EDT, 58 minutes before
STORM REPORT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 152 AM EDT THU MAY 06 1993 TIME EVENT 151 AM EDT FRANKLIN COUNTY...MARBLE SIZE HAIL NEAR LOUISBURG.
Local storm report, May 6, 1:53 AM EDT, 57 minutes before
STORM REPORT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 152 AM EDT THU MAY 06 1993 TIME EVENT 151 AM EDT FRANKLIN COUNTY...MARBLE SIZE HAIL NEAR LOUISBURG.
Special weather statement, May 6, 2:35 AM EDT, 15 minutes before
NCZ003-004-005-060730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 235 AM EDT THU MAY 6 1993 ...STRONG THUNDERSTORMS CONTINUE IN PARTS OF THE NORTHEAST PIEDMONT AND NORTHERN AND CENTRAL COASTAL PLAIN... AT 235 AM...SHOWERS AND STRONG THUNDERSTORMS WERE SCATTERED ACROSS WAKE...FRANKLIN...NASH...EDGECOMBE...AND WILSON COUNTIES. THE STRONGEST STORM WAS IN EASTERN FRANKLIN COUNTY 7 MILES EAST OF LOUISBURG NEAR THE TOWN OF JUSTICE. THE STRONGEST STORMS STILL ARE CAPABLE OF PRODUCING LOCALLY HEAVY RAINS AND SMALL HAIL. DANGEROUS CLOUD TO GROUND LIGHTNING HAS BEEN ACCOMPANYING MANY OF THE STORMS. REMEMBER...STAY AWAY FROM ELECTRICAL APPLIANCES WHEN LIGHTNING IS IN THE AREA. PLEASE REPORT ANY HAIL OR STRONG WINDS TO LOCAL LAW ENFORCEMENT OFFICIALS FOR RELAY TO THE NATIONAL WEATHER SERVICE. GAF
Special weather statement, May 6, 2:38 AM EDT, 12 minutes before
NCZ003-004-005-060730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 235 AM EDT THU MAY 6 1993 ...STRONG THUNDERSTORMS CONTINUE IN PARTS OF THE NORTHEAST PIEDMONT AND NORTHERN AND CENTRAL COASTAL PLAIN... AT 235 AM...SHOWERS AND STRONG THUNDERSTORMS WERE SCATTERED ACROSS WAKE...FRANKLIN...NASH...EDGECOMBE...AND WILSON COUNTIES. THE STRONGEST STORM WAS IN EASTERN FRANKLIN COUNTY 7 MILES EAST OF LOUISBURG NEAR THE TOWN OF JUSTICE. THE STRONGEST STORMS STILL ARE CAPABLE OF PRODUCING LOCALLY HEAVY RAINS AND SMALL HAIL. DANGEROUS CLOUD TO GROUND LIGHTNING HAS BEEN ACCOMPANYING MANY OF THE STORMS. REMEMBER...STAY AWAY FROM ELECTRICAL APPLIANCES WHEN LIGHTNING IS IN THE AREA. PLEASE REPORT ANY HAIL OR STRONG WINDS TO LOCAL LAW ENFORCEMENT OFFICIALS FOR RELAY TO THE NATIONAL WEATHER SERVICE. GAF
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 11:10 PM EDT | Severe Thunderstorm Warning | RAH | Granville | 50 min |
| May 6, 12:11 AM EDT | Severe Thunderstorm Warning | RAH | Franklin | 64 min |
| May 6, 1:22 AM EDT | Severe Thunderstorm Warning | RAH | Franklin | 53 min |
Nearby
Flash Flood Warnings in North Carolina, 1993Every flash flood warning in 1993
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.