Alert archive / North Carolina / Flash Flood Warnings in 2000

Flash Flood Warning 9, NWS Raleigh, NC

July 24, 20004 counties in North Carolina

NWS Raleigh, NC issued this flash flood warning at Jul 24, 2000, 7:22 AM EDT for 4 counties in North Carolina. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 24, 2000, 7:22 AM EDT (11:22 UTC)
Expired: Jul 24, 2000, 9:30 AM EDT
In force: 2 hr
Issued by: NWS Raleigh, NC
Area: Whole counties

Counties Franklin County, NC, Halifax County, NC, Nash County, NC, Warren County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 11.4 hours before the alert went out and 170 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 399 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 476 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 159 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KRAH 241132
FFWRAH
NCC069-083-127-185-241330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
722 AM EDT MON JUL 24 2000

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* FLASH FLOOD WARNING FOR...

  FRANKLIN COUNTY IN NORTH CAROLINA
  NASH COUNTY IN NORTH CAROLINA
  WARREN COUNTY IN NORTH CAROLINA
  WESTERN HALIFAX COUNTY IN NORTH CAROLINA

* UNTIL 930 AM EDT

* AT 730 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS WITH LOCALLY HEAVY RAINS CONTINUING ACROSS
FRANKLIN...NASH...WARREN AND WESTERN HALIFAX COUNTIES.

* WIDESPREAD SHOWERS AND A FEW THUNDERSTORMS HAVE BEEN FALLING OVER
THESE AREAS THROUGHOUT THE EARLY MORNING HOURS. THUS THE GROUND IS
IS SATURATED B AND ADDITIONAL RAINS WILL RUNOFF AND CAUSE FLOODING.

EXCESSIVE RUNOFF FROM THIS RAIN WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS...STREETS...POOR DRAINGAGE AREAS AND
UNDERPASSES.

LOCALLY LAW ENFORCEMENT REPORTED MANY SECONDARY ROADS IN THESE
COUNTIES HAVE HIGH WATER ON THEM ESPECIALLY IN FRANKLIN...WARREN AND
WESTERN HALIFAX COUNTIES. ALSO SOME ROADS HAVE BEEN CLOSED.
ADDITIONALLY SEVERAL CARS HAVE PLUNGED INTO SOME CREEKS DUE TO HIGH
WATER.

SMALL CREEKS AND STREAMS ARE RISING RAPIDLY AND OUT OF THEIR BANKS.
DO NOT DRIVE ACROSS FLOODED ROADS AS THE BRIDGES MAY BE WASHED OUT.
THERE HAVE BEEN REPORTS OF SEVERAL CARS INTO SOME CREEKS AND
OVERFLOW DITCHES.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.

RA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 23, 8:37 PM EDT	Flash Flood Warning	RAH	Alamance	3 hr
Jul 23, 10:28 PM EDT	Flash Flood Warning	RAH	Durham, Orange	3 hr
Jul 23, 11:17 PM EDT	Flash Flood Warning	RAH	Anson	3 hr
Jul 23, 11:32 PM EDT	Flash Flood Warning	RAH	Franklin	3 hr
Jul 24, 1:15 AM EDT	Flash Flood Warning	RAH	Warren	3 hr
Jul 24, 1:41 AM EDT	Flash Flood Warning	RAH	Durham, Orange	3 hr
Jul 24, 4:08 AM EDT	Flash Flood Warning	RAH	Halifax	112 min

Nearby

Flash Flood Warnings in North Carolina, 2000 Every flash flood warning in 2000

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.