Alert archive / North Carolina / Flash Flood Warnings in 2002

Flash Flood Warning 22, NWS Greenville-Spartanburg, SC

May 30, 2002Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at May 30, 2002, 5:43 PM EDT for Mecklenburg County, 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
May 30, 2002, 5:43 PM EDT (21:43 UTC)
Expired
May 30, 2002, 7:45 PM EDT
In force
2 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Mecklenburg County, NC

The radar

The Greer radar (KGSP), 133 km from the middle of the area, began a volume at 21:44 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.7 hours before the alert went out and 125 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 12:00Z on 2002-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 187 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2002-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
187 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
543 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KGSP 302144
FFWGSP
NCC119-302345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
543 PM EDT THU MAY 30 2002

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MECKLENBURG COUNTY IN THE PIEDMONT OF NORTH CAROLINA

* UNTIL 745 PM EDT

* AT 534 PM EDT...AMATEUR RADIO WEATHER SPOTTERS REPORTED VERY       
  HEAVY RAIN ACROSS NORTHERN MECKLENBURG COUNTY...INCLUDING
  THE NORTHERN EDGE OF CHARLOTTE. RAIN WAS HEAVY ENOUGH TO
  FILL ALL DRAINAGE DITCHES IN THE VICINITY OF THE CHARLOTTE
  DOUGLAS INTERNATIONAL AIRPORT...AND NUMEROUS CREEKS...INCLUDING
  SUGAR AND LITTLE SUGAR CREEKS...WERE AT BANKFULL.

  ANOTHER BAND OF MODERATE TO HEAVY RAIN WILL OCCUR OVER CENTRAL
  MECKLENBURG COUNTY OVER THE NEXT COUPLE OF HOURS. RAINFALL 
  WILL BE ENOUGH TO SEND MANY STREAMS AND CREEKS OUT OF THEIR
  BANKS...POSSIBLY FLOODING ROADS...AND THREATENING HOMES AND
  PROPERTY.

  DO NOT DRIVE YOUR CAR INTO AREAS WHERE WATER COVERS THE ROAD.
  IF YOU ENCOUNTER STANDING WATER...STOP TURN AROUND AND FIND
  AN ALTERNATE ROUTE TO REACH YOUR DESTINATION SAFELY.

$$
BURRUS
1 follow-up statement
000 
WGUS72 KGSP 302231
FFSGSP
NCC119-302300-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
630 PM EDT THU MAY 30 2002

...FLASH FLOOD WARNING CONTINUES FOR MECKLENBURG COUNTY UNTIL 745 
PM...

SLOW MOVING THUNDERSTORMS WERE PRODUCING TORRENTIAL DOWNPOURS ALL 
ACROSS MECKLENBURG COUNTY LATE THURSDAY AFTERNOON...WITH THE 
HEAVIEST RAINFALL AMOUNTS IN THE EXTREME EASTERN...AND 
WESTERN...HALVES OF THE COUNTY. AN AUTOMATED RAIN GAGE AT BERRYHILL 
ELEMENTARY SCHOOL...IN WESTERN MECKLENBURG COUNTY...REPORTED 3.1 
INCHES OF RAIN SO FAR THIS AFTERNOON...WITH ANOTHER GAGE AT BELLE 
OAKS FIRE DEPARTMENT REPORTING 2.3 INCHES. PINEY GROVE ELEMENTARY 
SCHOOL REPORTED 1.8 INCHES OF RAIN. OVER AN INCH OF RAIN FELL AT 
CHARLOTTE DOUGLAS INTERNATIONAL AIRPORT BETWEEN 5 PM AND 6 PM.

STANDING WATER AND NUISANCE FLOODING WAS ON THE INCREASE DURING THE 
RUSH HOUR ACROSS MECKLENBURG COUNTY. CHARLOTTE POLICE REPORT 
STANDING WATER AT THE INTERSECTION OF FREEDOM AND ASHLEY IN DOWNTOWN
CHARLOTTE...AND OVER A FOOT OF WATER WAS COVERING MONROE ROAD ON THE
EASTERN SIDE OF THE CITY. MATTHEWS POLICE WERE DIRECTING 
TRAFFIC AROUND STANDING WATER ON SAM NEWELL ROAD NEAR CROWN POINT.

THE SLOW MOVING STORMS WILL ONLY SLOWLY WEAKEN OVER THE NEXT COUPLE 
OF HOURS...AND THE POTENTIAL EXISTS FOR NEW FLOODING TO BEGIN...OR 
FOR ONGOING NUISANCE FLOODING TO BECOME MORE SEVERE. 

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY. 
VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED. MOVE TO HIGHER 
GROUND. EVEN MODERN SPORT UTILITY VEHICLES CAN BE SWEPT AWAY BY A FEW
FEET OF WATER.

$$
BURRUS

Nearby

Flash Flood Warnings in North Carolina, 2002Every flash flood warning in 2002

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; radar from the NEXRAD Level II archive.