Alert archive / North Carolina / Flash Flood Warnings in 1993

Flash Flood Warning 7, NWS Raleigh, NC

July 24, 1993Edgecombe County, Nash County, North Carolina

NWS Raleigh, NC issued this flash flood warning at Jul 24, 1993, 8:27 PM EDT for Edgecombe County, Nash County, North Carolina. It was in force for 63 min.

The area

The counties it named.

The facts

Issued
Jul 24, 1993, 8:27 PM EDT (00:27 UTC)
Expired
Jul 24, 1993, 9:30 PM EDT
In force
63 min
Issued by
NWS Raleigh, NC
Area
Whole counties

Counties Edgecombe County, NC, Nash County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 0.5 hours before the alert went out and 190 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.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 00:00Z on 1993-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2380 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 1993-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2380 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
742 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KRDU 250029
FFWRDU
NCC065-127-250130-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
827 PM EDT SAT JUL 24 1993
 
THE NATIONAL WEATHER SERVICE IN RALEIGH/DURHAM HAS ISSUED A
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
EFFECTIVE UNTIL  930 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST NORTH CAROLINA
 
   ...WESTERN EDGECOMBE COUNTY...EASTERN NASH COUNTY
 
AT 825 PM THERE WAS A SEVERE THUNDERSTORM IN WESTERN EDGECOMBE AND
EASTERN NASH COUNTIES NEAR ROCKY MOUNT. PEA AND MARBLE SIZE HAIL HAVE
BEEN REPORTED WITH THIS STORM. THIS STORM IS PRODUCING VERY HEAVY
RAINFALL. FREQUENT CLOUD TO GROUND LIGHTNING HAS BEEN REPORTED WITH THIS
STORM. THE LIGHTNING HAS CAUSED AT LEAST ONE FIELD FIRE.
 
PLEASE STAY TUNED FOR LATER STATEMENTS AND/OR POSSIBLE WARNINGS.
 
 
BESIDES DAMAGING WIND AND HAIL...THIS SLOW MOVING THUNDERSTORM MAY
CAUSE FLOODING OF SMALL STREAMS AND URBAN DRAINAGES.  MOTORISTS MAY
ENCOUNTER PONDING OF WATER ON HIGHWAYS AND FLOODED UNDERPASSES.
AVOID DRIVING ACROSS WATER-COVERED ROADS. WATER TWO FEET DEEP CAN
LIFT MOST CARS.  REPORT FLOODING OR DAMAGE TO EMERGENCY OFFICIALS.

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, Jul 24, 6:37 PM EDT, 1 hour 50 minutes before
NCZ009-242330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
635 PM EDT MON JUL 19 1993

...STRONG THUNDERSTORM MOVING INTO THE NORTHERN MOUNTAINS...

AT 630 PM EDT...WEATHER RADAR INDICATED A STRONG THUNDERSTORM CROSSING
THE VIRGINIA/NORTH CAROLINA BORDER INTO ALLEGHANY COUNTY. THIS STORM IS
MOVING SLOWLY TO THE SOUTH AT 5 MPH.

THIS STORM IS CAPABLE OF PRODUCING DEADLY LIGHTNING...STRONG GUSTY WINDS
AND DUE TO ITS SLOW MOVEMhENT FLOODING OF LOW LYING AREAS.

IF YOU ARE IN AN AREA THREATENED BY THIS STORM SEEK SHELTER IN A REINFORCED
BUILDING UNTIL THE STORM HAS PASSED.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES.

GTR
Special weather statement, Jul 24, 8:06 PM EDT, 21 minutes before
NCC065-127-250115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
806 PM EDT SAT JUL 24 1993

AT 805 PM NATIONAL WEATHER SERVICE RADAR SHOWED A THUNDERSTORM OVER
WESTERN EDGECOMBE COUNTY NEAR ROCKY MOUNT. THIS STORM HAS BEEN
STATIONARY OVER WESTERN EDGECOMBE COUNTY FOR NEARLY ONE HOUR AND
CONTINUES TO PRODUCE VERY HEAVY RAINFALL. EDGECOMBE COUNTY RESCUE SQUAD
REPORTED SOME STREET FLOODING IN ROCKY MOUNT.

PERSONS IN AND NEAR ROCKY MOUNT SHOULD BE ALERT FOR HEAVY RAINFALL AND
STREET FLOODING. THIS STORM MAY ALSO PRODUCE SMALL HAIL ALONG WITH
DANGEROUS LIGHTNING.
Special weather statement, Jul 24, 8:08 PM EDT, 19 minutes before
NCC065-127-250115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
806 PM EDT SAT JUL 24 1993

AT 805 PM NATIONAL WEATHER SERVICE RADAR SHOWED A THUNDERSTORM OVER
WESTERN EDGECOMBE COUNTY NEAR ROCKY MOUNT. THIS STORM HAS BEEN
STATIONARY OVER WESTERN EDGECOMBE COUNTY FOR NEARLY ONE HOUR AND
CONTINUES TO PRODUCE VERY HEAVY RAINFALL. EDGECOMBE COUNTY RESCUE SQUAD
REPORTED SOME STREET FLOODING IN ROCKY MOUNT.

PERSONS IN AND NEAR ROCKY MOUNT SHOULD BE ALERT FOR HEAVY RAINFALL AND
STREET FLOODING. THIS STORM MAY ALSO PRODUCE SMALL HAIL ALONG WITH
DANGEROUS LIGHTNING.

The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 24, 8:27 PM EDTSevere Thunderstorm WarningRAHEdgecombe, Nash63 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.