Alert archive / North Carolina / Flash Flood Warnings in 2002

Flash Flood Warning 10, NWS Greenville-Spartanburg, SC

July 14, 2002Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 14, 2002, 9:22 AM EDT for Mecklenburg County, North Carolina. It was in force for 3 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 14, 2002, 9:22 AM EDT (13:22 UTC)
Expired
Jul 14, 2002, 12:15 PM EDT
In force
3 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 13:25 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, 1.4 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 2002-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 448 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 2002-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.193958Sfc1 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
448 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
462 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KGSP 141322
FFWGSP
NCC119-141615-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
920 AM EDT SUN JUL 14 2002

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 1215 PM EDT

* AS OF 900 AM EDT AN AUTOMATED SENSOR ON THE SOUTHWEST SIDE OF
  CHARLOTTE REPORTED 2.07 INCHES OF RAIN HAD FALLEN IN ABOUT 90      
  MINUTES TIME. THIS HAS RESULTED IN RAPID RISES ON LOCAL 
  CREEKS...PARTICULARLY LITTLE HOPE CREEK AT SENECA PLACE IN 
  CHARLOTTE. OTHER GAGES IN THE AREA HAVE HAD UP TO 1.50 INCHES
  OF RAIN.

* THIS AREA IS PRONE TO URBAN FLOODING DURING HEAVY RAIN. OTHER HEAVY 
  SHOWERS WILL MOVE ACROSS THE REGION THROUGH 10 AM...AND UP TO AN 
  ADDITIONAL INCH OF RAIN MAY FALL. OTHER STREAMS THAT MAY RAPIDLY 
  RISE TO FLOOD STAGE IF THE RAIN PERSISTS INCLUDE IRWIN CREEK AND
  LITTLE SUGAR AND SUGAR CREEKS ON THE SOUTHWEST SIDE OF CHARLOTTE.

DURING HEAVY RAIN EVENTS...URBAN FLOODING CAN OCCUR IN AREAS SUCH AS 
UNDERPASSES...AND LOW AREAS WHERE WATER TENDS TO COLLECT. CHILDREN 
SHOULD BE KEPT AWAY FROM SMALL STREAMS AND STORM DRAINS. PEOPLE 
DRIVING TO SUNDAY SERVICES SHOULD PAY CLOSE ATTENTION TO STREAM 
LEVELS IN THEIR AREA. NEVER DRIVE THROUGH A WATER COVERED ROADWAY.

$$
MCAVOY
2 follow-up statements
000 
WGUS72 KGSP 141449
FFSGSP
NCC119-141615-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1049 AM EDT SUN JUL 14 2002

...A FLASH FLOOD WARNING CONTINUES UNTIL 1215 PM EDT FOR MECKLENBURG
COUNTY...

AT 1048 AM EDT...NATIONAL WEATHER SERVICE RADAR CONTINUED TO SHOW 
HEAVY RAIN OCCURING ACROSS THE SOUTHERN AND EASTERN PORTIONS OF 
CHARLOTTE. AUTOMATED RIVER GAGES INDICATE THAT STREAMS ACROSS 
SOUTHERN PORTIONS OF CHARLOTTE...ESPECIALLY THE LITTLE SUGAR 
CREEK...ARE RUNNING NEAR BANKFULL. 

MECKLENBURG COUNTY COMMUNICATIONS REPORTED THAT STANDING WATER ON 
AREA ROADS HAVE CAUSED SEVERAL ACCIDENTS. 

DURING HEAVY RAIN EVENTS...URBAN FLOODING CAN OCCUR IN AREAS SUCH AS 
UNDERPASSES...AND LOW AREAS WHERE WATER TENDS TO COLLECT. CHILDREN 
SHOULD BE KEPT AWAY FROM SMALL STREAMS AND STORM DRAINS. DO NOT 
CROSS FLOODED ROADS.

$$

HANDEL
000 
WGUS72 KGSP 141626
FFSGSP
NCC119-141630-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1224 PM EDT SUN JUL 14 2002

...THE FLASH FLOOD WARNING WHICH WAS IN EFFECT FOR MECKLENBURG COUNTY
HAS EXPIRED AS OF 1215 PM EDT...

THE HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS AND CREEKS IN 
THE WARNED AREA HAVE RECEDED...ENDING THE FLASH FLOOD THREAT. NO 
REPORTS OF SIGNIFICANT FLOODING WERE RECEIVED AT THE NATIONAL 
WEATHER SERVICE.

$$

HANDEL

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.

NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this flash flood warning went out at Jul 14, 4:18 AM EDT, 5 hours 4 minutes earlier.

Area forecast discussion, Jul 14, 4:18 AM EDT, 5 hours 4 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
418 AM EDT SUN JUL 14 2002

PRECIP DIMINISHING ACROSS CWFA AS UPSLOPE FLOW AND ISENTROPIC LIFT
END. MDLS INDICATE THIS AND EVEN HAVE FLOW BECOMING WLY TODAY. DEEP
MOISTURE EXITS BUT LOW LEVEL MOISTURE REMAINS HIGH. DAMMING MIXING
OUT AS DEW POINTS QUITE HIGH AND FAIRLY UNIFORM. SFC TROF AND LOW
PRESSURE LINGER OVER THE AREA. UPPER DIVERGENCE LACKING BUT ATMOS IS
UNSTABLE. WITH CONFLICTING PARAMETERS WILL LOWER POP TO 50 ALL AREAS
TODAY. WILL LEAVE EVENING POP TONIGHT AND CHC POP MONDAY. DATA AGAIN
CONFLICTING MONDAY...BUT EVEN ETA WHICH DEVELOPS A MID LEVEL
INVERSION DOES NOT SHOW A CAP.

DECIDED TO REMOVE PRECIP FROM MTNS TUE GIVEN MAV POPS BELOW CLIMO.
OTHERWISE NO CHANGES TO EXTENDED.

GSP   85  70  90  71 /  50  30  30  20
AND   86  71  91  72 /  50  30  30  20
CLT   85  70  90  71 /  50  30  30  20
HKY   81  69  89  70 /  50  30  30  20
AVL   80  65  86  66 /  50  30  30  20

.GSP...
GA...NONE.
NC...NONE.
SC...NONE.

RWH

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.