Alert archive / North Carolina / Flash Flood Warnings in 2003

Flash Flood Warning 5, NWS Greenville-Spartanburg, SC

February 27, 2003Union County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Feb 27, 2003, 2:10 PM EST for Union 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
Feb 27, 2003, 2:10 PM EST (19:10 UTC)
Expired
Feb 27, 2003, 4:45 PM EST
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Union County, NC

The radar

The Columbia radar (KCAE), 128 km from the middle of the area, began a volume at 19:09 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, 7.2 hours before the alert went out and 134 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 2003-02-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 2003-02-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
466 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
344 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 271913
FFWGSP
NCC179-272145-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
210 PM EST THU FEB 27 2003

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 445 PM EST

* AT 154 PM EST...A BAND OF MODERATE TO HEAVY RAIN WILL ENTER UNION 
COUNTY FROM THE SOUTH AND WILL CONTINUE NORTHEAST ACROSS THE COUNTY. 
THROUGH 3 PM...A HALF INCH TO AN INCH AND A HALF OF RAIN WILL LIKELY 
FALL ACROSS THE SOUTHERN HALF OF UNION COUNTY RESULTING IN FLOODING.

* URBAN FLOODING IS EXPECTED ALONG ANSONVILLE...ROCKY 
RIVER...LANDFORD AND GRIFFITH ROADS. FLOODING IN OTHER POOR DRAINAGE 
AREAS WILL ALSO BE LIKELY. SOME CREEKS THAT WILL LIKELY FLOOD ARE 
WAXHAW...BEAVERDAM...AND LANES.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. EVEN MODERN SPORT UTILITY VEHICLES CANNOT BE SAFELY
DRIVEN THROUGH FLOOD WATERS.

$$

NED/PT

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 Feb 27, 11:45 AM EST, 2 hours 25 minutes earlier.

Area forecast discussion, Feb 27, 11:45 AM EST, 2 hours 25 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1145 AM EST THU FEB 27 2003

BUSY MORNING WITH BOTH ICING AND FLOODING CONCERNS.

AS FOR THE ICE...HAVE CANCELLED THE ADVISORY ACROSS THE FRENCH BROAD
VALLEY...THE SRN NC FOOTHILLS...THE UPSTATE AND UNION CO SC. WL
DOWNGRADE THE WARNING TO AN ADVISORY OVER MCDOWELL CO. WL KEEP THE
WARNING IN PLACE ELSEWHERE AS ICING IS STILL BEING REPORTED MOST
AREAS N OF I-40. THUS FAR...ONLY DAVIE COUNTY HAS REALLY HAD ICE
STORM TYPE OF CONDITIONS W/A THICK GLAZE OF ICE AND TREES AND
POWERLINES DOWN. HOWEVER...POCKETS OF DAMAGE ARE STILL POSSIBLE IN
THE WARNING AREA AS RAIN IS STILL FALLING. AS WINDS INCREASE LATER
TDA AS SFC LOW DEEPENS OFF THE COAST...EXPECT INCREASING REPORTS OF
TREES AND POWER LINES DOWN IN THIS AREA.

MORNING HAND ANALYSIS SHOWED STRONG H5 AND H3 UPPER DIFFLUENCE
SPREADING INTO THE CWA FROM THE WEST (H5 WINDS AT ABOUT A 45 DEG
ANGLE BETWEEN FFC AND BNA). THIS AS RESULTED IN STRENGTHENING LLVL
FLOW AND DEEP OMEGA...AS IS EVIDENCED BY IMPRESSIVE UPGLIDE ON THE
ETA I295 SFC THROUGH THE AFTERNOON AND EVENING RIGHT ALONG THE I85
CORRIDOR. STRONG LLVL ASCENT HAS RESULTED IN A NICE FRONTAL RAINBAND
ACROSS THE UPSTATE AND NE GA. FLOODING HAS ALREADY BEEN REPORTED IN
LAURENS COUNTY. SINCE THE ETA/S STRONGEST LLVL CONVERGENCE HAS NOT
EVEN BEEN REALIZED YET...HAVE HOISTED FFA FOR THE UPSTATE NE
GA...AND THE FAR SRN NC PIEDMONT...INCLUDING CHARLOTTE FOR THIS AFTN
THROUGH MIDNIGHT.

FCSTID =   14
GSP   35  36  53  35 / 100  40  10  10
AND   37  38  55  36 / 100  30  10  10
CLT   33  35  52  34 / 100  30  10  10
HKY   31  32  49  32 / 100  50  10  10
AVL   34  34  48  30 / 100  50  10  10

.GSP...
GA...FLOOD WATCH UNTIL MIDNIGHT FOR ZONES
GAZ010...GAZ017>018...GAZ026...GAZ028>029.

NC...WINTER STORM WARNING FOR THIS AFTN FOR ZONES
NCZ034>037...NCZ055>057.

FLOOD WATCH UNTIL MIDNIGHT FOR ZONES NCZ071...NCZ082.

WINTER WEATHER ADVISORY FOR THIS AFTN FOR ZONES
NCZ033...NCZ049>050...NCZ054.

WINTER WEATHER ADVISORY FOR THIS AFTN FOR ZONES NCZ068>072.

SC...FLOOD WATCH UNTIL MIDNIGHT FOR ZONES SCZ001>014...SCZ019.

MCAVOY
Hazardous weather outlook, Feb 27, 4:50 AM EST, 9 hours 20 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-271200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
450 AM EST THU FEB 27 2003

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

.DAY ONE...TODAY

FREEZING RAIN WILL CONTINUE OVER THE NORTH CAROLINA NORTHERN
FOOTHILLS AND NORTHWEST PIEDMONT WHERE 1/4 TO 1/2 INCH ICE
ACCUMULATION IS POSSIBLE.

THERE IS A CHANCE OF FREEZING RAIN OVER THE NORTH AND EASTERN
MOUNTAINS AND THE SOUTHERN FOOTHILLS AND PIEDMONT OF NORTH
CAROLINA...PLUS THE NORTHEAST COUNTIES OF UPSTATE SOUTH CAROLINA
FROM GREENVILLE TO YORK COUNTIES. ACCUMULATIONS IN THESE OTHER AREAS
IS EXPECTED TO BE BELOW 1/4 INCH.

.DAYS TWO THROUGH SEVEN...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

RB

Nearby

Flash Flood Warnings in North Carolina, 2003Every flash flood warning in 2003

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.