Alert archive / North Carolina / Flash Flood Warnings in 2005

Flash Flood Warning 29, NWS Greenville-Spartanburg, SC

June 28, 2005Gaston County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jun 28, 2005, 10:18 AM EDT for Gaston County, North Carolina. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 28, 2005, 10:18 AM EDT (14:18 UTC)
Expired
Jun 28, 2005, 2:15 PM EDT
In force
4 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Counties, with a storm outline in the text

County Gaston County, NC

The radar

The Greer radar (KGSP), 101 km from the middle of the area, began a volume at 14:21 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

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 12:00Z, 2.3 hours before the alert went out and 150 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 2005-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 960 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 12:00Z on 2005-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 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
960 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
624 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
-1 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 281420
FFWGSP
NCC071-281815-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1018 AM EDT TUE JUN 28 2005

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 215 PM EDT

* AT 1016 AM EDT...TRAINED WEATHER SPOTTERS REPORTED STREAMS AND 
CREEKS EAST OF HIGHWAY 321 IN GASTONIA AT BANKFULL...ESPECIALLY 
SMALLER TRIBUTARIES TO LONG CREEK AND DUTCHMAN/S CREEK. WEATHER 
SERVICE DOPPLER RADAR INDICATED MODERATE TO HEAVY RAIN WILL AFFECT 
CENTRAL AND EASTERN GASTON COUNTY THROUGH LATE MORNING...AND COULD
SEND A FEW STREAMS OVER THEIR BANKS AND ONTO ROADS IN AND EAST OF 
GASTONIA. SEVERE URBAN FLOODING IS ALSO LIKELY IN THE CITY.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO STANLEY...
  MOUNT HOLLY...DALLAS...CHERRYVILLE AND BESSEMER CITY.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND. EVEN MODERN SPORT UTILITY VEHICLES CANNOT BE
SAFELY DRIVEN THROUGH FLOOD WATERS.

LAT...LON 3518 8133 3516 8117 3516 8106 3538 8099
      3540 8124 3540 8140

$$

BURRUS
2 follow-up statements
000 
WGUS72 KGSP 281551
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1150 AM EDT TUE JUN 28 2005

NCC071-281815-
GASTON NC-
1150 AM EDT TUE JUN 28 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 215 PM EDT FOR GASTON
COUNTY...

AT 1145 AM EDT...NATIONAL WEATHER SERVICE RADAR SHOWED MODERATE TO 
HEAVY RAIN CONTINUING OVER THE EASTERN PART OF GASTON COUNTY...AND 
ANOTHER BATCH IN YORK COUNTY MOVING INTO GASTON.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
STANLEY...MOUNT HOLLY...LOWELL...DALLAS...CHERRYVILLE AND BESSEMER 
CITY.  THE HEAVIEST RAIN AND BEST CHANCE OF FLOODING WILL BE AROUND 
BELMONT AND MOUNT HOLLY.

ADDITIONAL RAINFALL AMOUNTS OF AN INCH OR MORE ARE EXPECTED IN THE 
WARNED AREA EARLY THIS AFTERNOON.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

LAT...LON 3518 8133 3516 8117 3516 8106 3538 8099
      3540 8124 3540 8140

$$
JONES
000 
WGUS72 KGSP 281812
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
212 PM EDT TUE JUN 28 2005

NCC071-281821-
GASTON NC-
212 PM EDT TUE JUN 28 2005

...THE FLASH FLOOD WARNING FOR GASTON COUNTY EXPIRES AT 215 PM EDT...

HEAVY RAINFALL HAS MOVED NORTH AND EAST OF GASTON COUNTY.  ANY 
ADDITIONAL HEAVY RAINFALL...WHICH COULD DEVELOP LATER TODAY OR 
TONIGHT...WILL CAUSE FLASH FLOODING TO BEGIN QUICKLY.  A FLOOD WATCH 
REMAINS IN EFFECT UNTIL 6 AM EDT WEDNESDAY.

LAT...LON 3518 8133 3516 8117 3516 8106 3538 8099
      3540 8124 3540 8140

$$
JONES

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 Jun 28, 10:05 AM EDT, 13 minutes earlier.

Area forecast discussion, Jun 28, 10:05 AM EDT, 13 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1005 AM EDT TUE JUN 28 2005

.SHORT TERM (REST OF TODAY)...
DEEP MOISTURE CONTINUES STREAMING UP FROM THE S-SW WITH SHOWERS AND
SCT TSTMS...MAINLY ACROSS THE E 2/3 OF THE CWA ATTM. DO NOT EXPECT
TO SEE MUCH SUN...AS WAS THE CASE YESTERDAY...SO SFC HEATING WILL
BE MORE LIMITED...HENCE THE COOLER HIGHS FCST TODAY LOOK
REASONABLE AND HAVE EVEN TWEAKED THEM DOWN A DEG OR TWO. PERIODS
OF MODERATE RAIN ARE EXPECTED...ESPECIALLY FOR THE S FACING UPSLOPE
AREAS AND THE CENTRAL AND E PART OF THE CWA ALONG BEST MOISTURE
AXIS. EXPECT SHOWERS TO REDEVELOP ACROSS W ZONES THIS AFTN AND HAVE
GONE WITH CAT POPS AND SCT TSTMS ACROSS CWA.

&&

.PREVIOUS DISCUSSION...
(ISSUED 242 AM EDT TUE JUN 28 2005)

SHORT TERM (TODAY THROUGH THURSDAY NIGHT)...
KGSP VAD WIND PROFILE IS EXHIBITING MORE OF A SOUTHERLY FLOW IN
THE LOWER TROPOPHERE THAN THIS TIME YESTERDAY...BUT SHORT RANGE
MODELS SUGGEST A BACKING TO SOUTHEAST AT THE LOWEST LEVELS THROUGH
THE MORNING HOURS. WITH ABUNDANT CONVECTION DEVELOPING ACROSS THE
UPSTATE...THE HEAVY RAIN WILL LIKELY TRAIN ONCE AGAIN FROM GSP
INTO THE BLUE RIDGE. WILL MOST LIKELY NEED A FLASH FLOOD WATCH
THIS MORNING IN AREAS THAT RECEIVED HEAVY RAINFALL YESTERDAY MORNING.

MODEL SOUNDINGS AND TIME HEIGHT SECTIONS INDICATE VERY DEEP
MOISTURE TODAY. LITTLE FORCING WILL THUS BE NEEDED FOR NUMEROUS TO
WIDESPREAD SHOWERS AND THUNDERSTORMS. LESS MID LEVEL DRY
AIR...HOWEVER...SHOULD KEEP SEVERE POTENTIAL MUCH MORE LIMITED.
THE AXIS OF DEEPER TROPICAL MOISTURE WILL SLOWLY SHIFT EAST
THROUGH WEDNESDAY AND INTO THURSDAY...AS WEAK UPPER TROUGH AXIS
FINALLY MOVES EAST OF THE AREA.

LOW LEVELS WILL REMAIN FAIRLY MOIST IN SPITE OF THE WESTERLY FLOW
ON THURSDAY. LESS CLOUDINESS WILL ALLOW TEMPERATURES AND
INSTABILITY TO RECOVER. THE AREA COULD BE SET UP FOR STRONG MCS
DEVELOPMENT UPSTREAM WHICH WOULD HIT THE MOUNTAINS HARDEST IN THE
THU NIGHT TIME FRAME. GIVEN ALL OF THE ACTIVITY WITH THE TROPICAL
MOISTURE EARLY IN THE PERIOD...AND THEN POSSIBLE MCS ACTIVITY
LATE...WILL ISSUE SPS TO ADDRESS CUMULATIVE RAINFALL THREAT THE
NEXT COUPLE OF DAYS.

LONG TERM (FRIDAY THROUGH MONDAY)...
GFS APPEARS TO BE THE MODEL OF CHOICE FOR THE MEDIUM RANGE...WHICH
KEEPS A WEAK UPPER TROUGH OVER THE SRN APPALACHIANS INTO THE
WEEKEND. A STRONG UPPER TROF MOVES E ACROSS N STATES LATE IN THE
WEEK...WHICH REINFORCES THE TROF OVER THE E U.S. AS IT MOVES INTO
IT. A COLD FRONT DROPS SE INTO N GA AND THE CAROLINAS FRI...THEN
STALLS S OF THE AREA. WEAK SHORT WAVES MOVG THROUGH THE UPPER FLOW
COULD INITIATE CONVECTION AT ANY TIME THROUGH THE PERIOD SO A CHANCE
OF SHOWERS AND THUNDERSTORMS HAVE BEEN KEPT IN THE GRIDDED FORECAST
EACH DAY...WITH A TENDENCY FOR MORE ACTIVE CONVECTION DURING THE
WARMER AFTERNOON AND EVENING TIMEFRAME.

LOWERED SKY COVER AND ADJUSTED SOME DEW POINTS LOWER NE CORNER FOR
BETTER FIT WITH NEIGHBORS.

AVIATION...
CONVECTION MOVING N IN TO KAND/KGSP AREA...AND WILL COVER IN TEMPO
FIRST TWO HOURS. EXPECTING MVFR WITH TEMPO IFR IN RAIN MOISTED AIR
MASS OVERNIGHT. EXPECT HEATING AND SOME VERTICAL MOTION IN SW FLOW
ALOFT TO MIX VSBY/CIGS TO LOW VFR BY MID MORNING. TIMING INDIVIDUAL
UPPER FEATURES WILL BE DIFFICULT AS MODELS DISAGREE ON FREQUENCY OF
IMPULSES...SO FOR NOW WILL STICK WITH TIME OF BEST HEATING FOR TEMPO
AFTERNOON CONVECTION... WHICH WORKED WELL YESTERDAY...AND IS WHEN
GUIDANCE HAS HIGHEST POPS. WILL BRING IN LOW VFR FOG BY MID
EVENING...ASSUMING ANOTHER ROUND OF AIR SOAKING PRECIPITATION ENDING
BY LATE EVENING AND WINDS GOING LIGHT.

HYDROLOGY...
WILL ISSUE FLASH FLOOD WATCH FOR LOCATIONS THAT RECEIVED 3 TO 9
INCHES OF RAIN YESTERDAY...FROM GSP TO AVL AND THE ADJACENT NC
FOOTHILLS. FFG VALUES ARE GENERALLY IN THE 1 TO 2 INCH RANGE FOR
1 TO 3 HOUR RAINFALL DUE TO EXCESSIVE RAIN MONDAY MORNING.

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...FLASH FLOOD WATCH FOR NCZ053-054-065>067 UNTIL NOON TUESDAY.
SC...FLASH FLOOD WATCH FOR SCZ003-006-007 UNTIL NOON TUESDAY.
&&

SHORT TERM...RB
Hazardous weather outlook, Jun 28, 5:29 AM EDT, 4 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
529 AM EDT TUE JUN 28 2005

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-
SCZ001>014-019-290930-
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-
529 AM EDT TUE JUN 28 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 THUNDERSTORMS PRODUCING TORRENTIAL RAINFALL WILL AFFECT
THE REGION TODAY THROUGH TONIGHT. WITH THE MOIST TROPICAL AIRMASS
IN PLACE...RAINFALL RATES COULD BE SUFFICIENT TO PRODUCE LOCALIZED
FLOODING JUST ABOUT ANYWHERE IN THE WESTERN CAROLINAS AND
NORTHEAST GEORGIA. A FLASH FLOOD WATCH...CAEFFAGSP...IS IN EFFECT
UNTIL NOON EDT FOR PARTS OF THE CENTRAL UPSTATE OF SOUTH
CAROLINA...AND LOCATIONS NEAR THE BLUE RIDGE IN THE WESTERN NORTH
CAROLINA.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
ADDITIONAL SHOWERS AND THUNDERSTORMS WILL DEVELOP THROUGH
WEDNESDAY UNTIL SLIGHTLY DRIER AIR MOVES IN FROM THE WEST ON
THURSDAY. THUNDERSTORMS WILL BE MORE SCATTERED IN NATURE FROM
THURSDAY THROUGH THE INDEPENDENCE DAY HOLIDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTERS ARE ASKED TO RELAY REPORTS OF FLOODING TO THE NATIONAL
WEATHER SERVICE.

HG

In the hours before

Local storm report, Jun 28, 7:07 AM EDT, 3 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
707 AM EDT TUE JUN 28 2005

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

0650 AM     FLASH FLOOD      GRAY COURT              34.61N 82.11W
06/28/2005                   LAURENS            SC   COUNTY OFFICIAL

            COUNTY REPORTS DUNCAN CREEK BRIDGE WASHED OUT.

&&

HG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 7:11 AM EDTFlash Flood WarningGSPHenderson3 hr
Jun 28, 10:55 AM EDTFlash Flood WarningGSPUnion4 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.