Alert archive / North Carolina / Flash Flood Warnings in 2005

Flash Flood Warning 36, NWS Greenville-Spartanburg, SC

July 3, 2005Iredell County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 3, 2005, 10:29 PM EDT for Iredell County, North Carolina. It was in force for 3 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 3, 2005, 10:29 PM EDT (02:29 UTC)
Expired
Jul 4, 2005, 1:30 AM EDT
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Counties, with a storm outline in the text

County Iredell County, NC

The radar

The Greer radar (KGSP), 146 km from the middle of the area, began a volume at 02:31 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.

What was reported inside it

TimeReportWhereRemark
Jul 4, 12:15 AM EDTFLASH FLOODMooresville, NCURBAN FLOODING REPORTED...ALONG BROAD STREET BETWEEN CATAWBA AND MCLELLAN AVE. FLOODING ALSO ON W STATESVILLE AVE. ONE VEHICLE WASHED INTO DITCH. BRIDGE FLOODED ON LINWOOD ROAD OUTSIDE MOORESVILLE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this flash flood warning; the first came 106 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 2.5 hours before the alert went out and 103 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 2005-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1058 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 2005-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 square meters per square second.19395878Sfc1 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
1058 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
926 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
9 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-0.7

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KGSP 040229
FFWGSP
NCC097-040530-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1029 PM EDT SUN JUL 3 2005

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EXTREME SOUTHERN IREDELL COUNTY IN THE PIEDMONT OF NORTH CAROLINA

* UNTIL 130 AM EDT

* AT 1026 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED     
  THAT FLASH FLOODING WAS BECOMING IMMINENT AROUND                   
  MOORESVILLE...BETWEEN LINCOLN COUNTY TO THE WEST...AND ROWAN       
  COUNTY TO THE EAST.  SEVERE URBAN FLOODING WILL DEVELOP ALONG WITH 
  SOME SMALL STREAM FLOODING.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  MOORESVILLE.

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 HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

LAT...LON 3549 8089 3550 8073 3568 8076 3567 8096

$$
JONES
2 follow-up statements
000 
WGUS72 KGSP 040325
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1125 PM EDT SUN JUL 3 2005

NCC097-040530-
IREDELL NC-
1125 PM EDT SUN JUL 3 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 130 AM EDT FOR EXTREME 
SOUTHERN IREDELL COUNTY...

AT 1116 PM EDT...TRAINED WEATHER SPOTTERS REPORTED THAT URBAN 
FLOODING WAS INCREASING AROUND MOORESVILLE.  SOME ACCIDENTS HAVE 
BEEN REPORTED FROM PONDING OF ROADS...AND SOME LOW AREAS WERE 
FLOODING. RADAR SHOWED THAT HEAVY RAIN WAS MOVING BACK IN FROM THE 
EAST...AFTER TAPERING OFF FOR A SHORT TIME.  THIS WILL INCREASE THE 
THREAT OF SEVERE URBAN FLOODING AROUND MOORESVILLE AND VICINITY. 
SOME SMALL STREAMS WILL ALSO FLOOD.

DURING HEAVY RAIN EVENTS...SEVERE URBAN FLOODING CAN OCCUR IN AREAS
SUCH AS UNDERPASSES...AND LOW AREAS WHERE WATER TENDS TO COLLECT. DO 
NOT DRIVE INTO FLOODED AREAS.

LAT...LON 3549 8089 3550 8073 3568 8076 3567 8096

$$
JONES
000 
WGUS72 KGSP 040527
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
125 AM EDT MON JUL 4 2005

NCC097-040530-
IREDELL NC-
127 AM EDT MON JUL 4 2005

...A FLASH FLOOD WARNING WILL EXPIRE AT 130 AM EDT FOR 
SOUTHERN IREDELL COUNTY...

AT 122 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT RAIN 
HAD ENDED ACROSS THE SOUTHERN PART OF IREDELL COUNTY. LAW 
ENFORCEMENT IN MOORESVILLE REPORTED THAT WATER HAD RECEDED FROM 
AREAS WHERE ROADS WERE CLOSED EARLIER. WITH NO REPORTS OF NEW 
FLOODING HAVING BEEN RECEIVED...THE WARNING WILL BE ALLOWED TO 
EXPIRE AT 130 AM. HOWEVER...CREEKS THAT DRAIN SOUTHERN IREDELL 
COUNTY...SUCH AS CODDLE CREEK...WILL REMAIN HIGH FOR THE NEXT FEW 
HOURS. ADDITIONAL SHOWERS ARE POSSIBLE THROUGH THE EARLY MORNING 
HOURS.

LAT...LON 3549 8089 3550 8073 3568 8076 3567 8096

$$

MOORE

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 3, 9:37 PM EDT, 52 minutes earlier.

Area forecast discussion, Jul 3, 9:37 PM EDT, 52 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
937 PM EDT SUN JUL 3 2005

.SHORT TERM (REST OF TONIGHT)...
00Z KGSO SNDG SHOWS A VERY UNSTABLE AND MOIST AMOSPHERE...CAPES OF
NEARLY 3000 J/KG AND A PWAT OF 2 INCHES...150 PERCENT OF NORMAL
...WITH A FAVORABLE SE FLOW FROM THE SFC-750 MB. ALOFT...ADDITIONAL
LARGE SCALE LIFT PROVIDED BY MID-LVL S/WV WILL CONTINUE TO TREK EAST
INTO THE NIGHT. 88D LOOPS INDICATE TSTMS DECREASING ACRS THE NC MTNS
BUT ONGOING/RENEWED ACTIVITY ALONG CONVERGENCE AXIS ALONG OR JUST
NORTH OF I-85. LLVL FLOW WILL TAKE SOME TIME TO DIMINISH/VEER AND
GIVEN VERY FAVORABLE PROFILE/ANDECENT CONDITIONS FOR FLASH FLOODING
WILL EXTENT CURRENT FFA UNTIL 6 AM AND EXPAND EAST WHERE HEAVIEST
RNFL IS CURRENTLY OCCURRING.
&&

.PREVIOUS DISCUSSION...
(ISSUED 327 PM EDT SUN JUL 3 2005)

SHORT TERM (TONIGHT)...
CONVERGENCE ON THE PERIPHERY OF THE COLD AIR DAMMING IS RESULTING IN
A RING OF CONVECTION FROM THE MIDLANDS TO NORTHERN GA THEN NORTH
INTO ERN TN. DEEPER INTO THE CAD THERE HAS ALSO BEEN QUITE A BIT OF
CONVECTION...PARTICULARLY ALONG THE LEE SLOPES AND ACROSS A SOMEWHAT
WEAKER TMB ACROSS THE SRN UPSTATE AND NE GA. HOWEVER...THE ACTIVITY
HAS DECREASED IN INTENSITY AND AREAL COVERAGE THE PAST HOUR OR TWO.

PLAN TO CONTINUE THE FLASH FLOOD WATCH UNTIL MIDNIGHT. WITH THE
SHORT WAVE YET TO CROSS THE MTNS AND LOW 70 DWPTS AND UPSLOPE
FLOW...THERE IS PLENTY OF TIME FOR ADDITIONAL CONVECTIVE DEVELOPMENT
JUST ABOUT ANYWHERE ACROSS THE CWFA. LAPS SOUNDINGS CONTINUE TO SHOW
PWATS OVER 2 INCHES...AND 0-6KM BULK SHEAR IS ON THE ORDER OF 30 TO
35 KTS. THERE HAS BEEN CLEARING AND TEMPERATURE RECOVERY ACROSS THE
SRN AND SW MTNS AS WELL...AND EXPECT THAT SOME OF THE STRONGER  NEW
STORMS MAY FIRE OUT THAT WAY. WL CUT POPS BACK TO CHANCE AFTER
MIDNIGHT...BUT WITH LINGERING UPSLOPE FLOW...WL NOT REMOVE THEM
COMPLETELY.

LONG TERM (MONDAY THROUGH SUNDAY)...
MID/UPPER HEIGHTS PROGGED TO RISE ON MONDAY...AS UPPER RIDGE BUILDS
NORTHWARD FROM THE FLORIDA COAST. ASSOCIATED WARMING MID LEVEL TEMPS
AND MID/UPPER DRYING SHOULD REDUCE COVERAGE OF CONVECTION ACROSS THE
CWFA ON MONDAY...ALTHOUGH WILL HAVE TO WATCH FOR CONVECTION BECMG
SOMEWHAT ORGANIZED ALONG ANY COLD POOLS (BUT SHEAR APPEARS TO BE TOO
WEAK FOR THAT ATTM.) IN ADDITION...WEAK CAP INDICATED ON NAM
FORECAST SOUNDINGS INDICATES CONVECTION MAY NOT REALLY GET GOING
UNTIL LATE AFTERNOON. WILL RETAIN PREVIOUS FORECAST OF 40 POP MNTNS
AND 30 POP EAST. THE BETTER CHANCE FOR CONVECTION MAY ACTUALLY BE
TOMORROW EVENING...AS NAM DEPICTS SW TROUGH RIDING OVER THE UPPER
RIDGE BY LATE IN THE DAY. THIS RESULTS IN A SLIGHT INCREASE IN SHEAR
AND COOLING AT CAP LEVEL...SO WILL RETAIN CHANCE POPS THROUGH THE
OVERNIGHT.

FOR TUESDAY...FLOW BEGINS TO FLATTEN IN RESPONSE TO A FAIRLY
SIGNIFICANT TROUGH DIGGING INTO THE MISS VALLEY...WITH ATM LESS
CAPPED AND MORE SHEARED...ALTHOUGH INSTABILITY IS LESS IMPRESSIVE.
WILL FEATURE POPS SIMILAR TO THAT OF MONDAY. ONCE AGAIN...WILL
EXTEND POPS THROUGH THE OVERNIGHT HOURS INTO WED...AS SW TROUGH AND
SURFACE FRONT MOVE ACROSS THE AREA.

TYPICAL UNCERTAINTY EXISTS IN THE EXTENDED...AS MUCH WILL DEPEND ON
FUTURE EVOLUTION OF THE FRONTAL BOUNDARY. IF THE GFS VERIFIES...WE
MAY EXPERIENCE A RARE RESPITE FROM JULY CONVECTION LATE THIS
WEEK...AS THE GFS DEPICTS UNSEASONABLY DRY AIR FILTERING INTO THE
AREA. FOR NOW...WILL FEATURE POPS AROUND CLIMO...GENERALLY 20 TO 30%
ACROSS THE ENTIRE AREA.

AVIATION...
LIGHT TO MODERATE RAIN AND A FEW EMBEDDED THUNDERSTORMS WILL KEEP
CIGS AND VSBYS LOW FOR A WHILE ACROSS THE UPSTATE. WL ALSO TEMP IN
SOME LOWER CIGS AND VSBYS AT KHKY AND KAVL WHERE UPSLOPE SHOULD HELP
REDEVELOP CONVECTION IN THESE AREAS THE NEXT FEW HRS. WL IMPROVE
CONDITIONS FOR A WHILE LATE THIS AFTN AND EVENING...BUT WL KEEP LGT
PREVAILING SHRA IN AS UPSLOPE SHOULD KEEP QUITE A BIT OF SHRA
ACTIVITY IN THE AREA. WL TAKE CIGS AND VSBYS DOWN TO LOW END MVFR
LATER TNGT...EXCEPT AT KAVL AND KAND WHERE I WENT IFR. WITH HIGH
DEWPOINTS...WIDESPREAD RAIN AND HIGH DEWPOINTS WE SHOULD SEE
WIDESPREAD LOW CLOUDS AND FOG.

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...FLASH FLOOD WATCH FOR GAZ010-017-018-026-028 UNTIL 6 AM MONDAY.
NC...FLASH FLOOD WATCH FOR NCZ033>037-049-050-053>057-062>069-072
     UNTIL 6 AM MONDAY.
SC...FLASH FLOOD WATCH FOR SCZ001>007-010 UNTIL 6 AM MONDAY.
&&

SHORT TERM...CSH
Hazardous weather outlook, Jul 3, 5:42 AM EDT, 16 hours 47 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
542 AM EDT SUN JUL 3 2005

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-
SCZ001>014-019-040945-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-CALDWELL-
ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-
BUNCOMBE-MCDOWELL-BURKE-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-
MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-POLK-RUTHERFORD-
CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-CHESTER-GREENWOOD-
542 AM EDT SUN JUL 3 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR UPSTATE SOUTH CAROLINA...
MUCH OF WESTERN NORTH CAROLINA... AND EXTREME NORTHEAST GEORGIA.

.DAY ONE...TODAY AND TONIGHT

NUMEROUS TO SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE
UNTIL MIDNIGHT. THE STORMS ARE EXPECTED TO MOVE SLOWLY TO THE
NORTH AT 5 TO 10 MPH. THESE STORMS COULD RESULT IN AREAS OF
EXCESSIVE RAINFALL. THE ATMOSPHERE OVER THE UPPER SAVANNAH RIVER
VALLEY AND UPSTATE MAY SUPPORT ISOLATED SEVERE STORMS THIS
AFTERNOON AND EVENING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

SCATTERED AFTERNOON AND EVENING THUNDERSTORMS ARE EXPECTED EACH DAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

In the hours before

Local storm report, Jul 3, 7:56 PM EDT, 2 hours 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
756 PM EDT SUN JUL 03 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0125 PM     TSTM WND DMG     12 SE ANDERSON          34.40N 82.50W
07/03/2005                   ANDERSON           SC   NWS STORM SURVEY

            NWS SURVEY FOUND GUSTS TO 70 MPH KNOCKED DOWN NUMEROUS
            TREES AND POWER LINES WHICH CAUSED SOME DAMAGE WHEN THEY
            FELL. ALSO...ADDITIONAL REPORTS OF SOME STRUCTURAL DAMAGE
            NEARBY WHICH WAS NOT SURVEYED. MUCH OF THE DAMAGE ALONG
            JONES CHAPEL ROAD.

0125 PM     HAIL             12 SE ANDERSON          34.40N 82.50W
07/03/2005  2.75 INCH        ANDERSON           SC   NWS STORM SURVEY

            DURING SURVEY THERE WAS ONE REPORT FROM PUBLIC OF
            BASEBALL HAIL...TWO REPORTS OF HEN EGG HAIL...AND
            NUMEROUS REPORTS OF GOLF BALL HAIL IN THE AREA BOUNDED BY
            HIGHWAYS 28/413/284/185/20 IN SOUTHERN ANDERSON COUNTY.

0140 PM     TORNADO          5 NNW DUE WEST          34.40N 82.42W
07/03/2005                   ABBEVILLE          SC   NWS STORM SURVEY

            NWS SURVEY FOUND F0 TO F1 TORNADO TRACK OF 3/4 MILE TO 1
            MILE ALONG HIGHWAY 185 NORTH OF DUE WEST. MOST DEBRIS
            BLOWN TO THE EAST OR SOUTHEAST...BUT CONVERGING DAMAGE
            PATTERN NOTED ALONG NORTH SIDE OF TRACK WHERE DEBRIS WAS
            BLOWN BACK TO THE WEST OR NORTHWEST.

0140 PM     HAIL             5 NNW DUE WEST          34.40N 82.42W
07/03/2005  1.00 INCH        ABBEVILLE          SC   NWS STORM SURVEY

            PUBLIC RELAYED REPORT IN AREA OF TORNADO TRACK

0155 PM     HAIL             DONALDS                 34.38N 82.35W
07/03/2005  1.00 INCH        ABBEVILLE          SC   NWS STORM SURVEY

            PUBLIC RELAYED REPORT. SURVEY NOTED DENTED VEHICLES FROM
            THE HAIL.

&&

JONES
Local storm report, Jul 3, 10:00 PM EDT, 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1000 PM EDT SUN JUL 03 2005

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0945 PM     FLASH FLOOD      CHINA GROVE             35.57N 80.58W
07/03/2005                   ROWAN              NC   COUNTY OFFICIAL

            COUNTY COMMS REPORTED THAT SEVERAL ROADS WERE UNDER WATER
            IN THE LANDIS AND CHINA GROVE AREAS.

0955 PM     FLASH FLOOD      LINCOLNTON              35.48N 81.25W
07/03/2005                   LINCOLN            NC   AMATEUR RADIO

            WATER KNEE TO WAIST DEEP IN SEVERE URBAN FLOODING E MAIN
            STREET AREA WITH CARS STRANDED AND CREWS DISPATCHED FOR
            RESCUE

&&

JONES

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 3, 9:24 PM EDTFlash Flood WarningGSPRowan3 hr
Jul 3, 9:40 PM EDTFlash Flood WarningGSPLincoln3 hr
Jul 4, 12:07 AM EDTFlash Flood WarningGSPCaldwell4 hr
Jul 4, 3:40 PM EDTFlash Flood WarningGSPHenderson4 hr
Jul 4, 7:28 PM EDTFlash Flood WarningGSPRowan3 hr

Nearby

Flash Flood Warnings in North Carolina, 2005Every flash flood warning in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.