Alert archive / South Carolina / Flash Flood Warnings in 2013

Flash Flood Warning 8, NWS Greenville-Spartanburg, SC

May 18, 2013Spartanburg County, South Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at May 18, 2013, 11:29 PM EDT for Spartanburg County, South Carolina. It was in force for 6 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 18, 2013, 11:29 PM EDT (03:29 UTC)
Expired: May 19, 2013, 5:30 AM EDT
In force: 6 hr
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Flood severity: None

County Spartanburg County, SC

The radar

The Greer radar (KGSP), 22 km from the middle of the area, began a volume at 03:32 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 00:00Z, 3.5 hours before the alert went out and 228 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 165 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 885 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -41 m²/s²
0-3 km storm-relative helicity: 30 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 May 18, 10:00 PM EDT, 1 hour 29 minutes earlier.

Area forecast discussion, May 18, 10:00 PM EDT, 1 hour 29 minutes before

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Hazardous weather outlook, May 18, 4:25 PM EDT, 7 hours 4 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
425 PM EDT SAT MAY 18 2013

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-192030-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-ALEXANDER-
IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA-
ROWAN-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-
HENDERSON-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
CALDWELL MOUNTAINS-GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-
MCDOWELL MOUNTAINS-EASTERN MCDOWELL-RUTHERFORD MOUNTAINS-
GREATER RUTHERFORD-POLK MOUNTAINS-EASTERN POLK-OCONEE MOUNTAINS-
PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE-
GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-
ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
425 PM EDT SAT MAY 18 2013

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

.DAY ONE...TONIGHT.

ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS THE AREA
THIS EVENING. HEAVY RAINFALL AND CLOUD TO GROUND LIGHTNING ARE THE
PRIMARY THREATS FROM ANY STORMS THAT DEVELOP. REPEATED ROUNDS OF
HEAVY RAINFALL COULD CAUSE PONDING ON AREA ROADWAYS...AS WELL AS
QUICK RISES ON SMALL STREAMS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

WIMBERLEY

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 1:55 AM EDT	Areal Flood Advisory	GSP	Caldwell	2 hr
May 19, 3:15 AM EDT	Flash Flood Warning	GSP	Caldwell	3 hr
May 19, 1:55 PM EDT	Special Weather Statement	GSP	Haywood	50 min
May 19, 2:02 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Haywood, Madison	58 min
May 19, 2:30 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Madison	60 min
May 19, 2:57 PM EDT	Special Weather Statement	GSP	Madison	33 min
May 19, 3:03 PM EDT	Severe Thunderstorm Warning	GSP	Madison	57 min
May 19, 3:05 PM EDT	Special Weather Statement	GSP	Mecklenburg	40 min
May 19, 3:11 PM EDT	Special Weather Statement	GSP	Madison	49 min
May 19, 3:43 PM EDT	Areal Flood Advisory	GSP	Mecklenburg	77 min
May 19, 4:08 PM EDT	Special Weather Statement	GSP	Iredell	52 min
May 19, 4:34 PM EDT	Areal Flood Advisory	GSP	Yancey	86 min
May 19, 4:50 PM EDT	Special Weather Statement	GSP	Iredell	25 min
May 19, 5:20 PM EDT	Areal Flood Advisory	GSP	Mecklenburg	70 min
May 19, 5:43 PM EDT	Special Weather Statement	GSP	Alexander	47 min
May 18, 10:49 PM EDT	Areal Flood Advisory	GSP	Spartanburg	2 hr
May 19, 12:36 AM EDT	Areal Flood Advisory	GSP	Greenville, Spartanburg	114 min
May 19, 2:24 AM EDT	Areal Flood Advisory	GSP	Greenville, Spartanburg	2 hr
May 19, 5:16 PM EDT	Special Weather Statement	GSP	York	29 min
May 19, 5:32 AM EDT	Special Weather Statement	GSP	Hart, Stephens	43 min
May 19, 6:24 AM EDT	Special Weather Statement	GSP	Elbert, Franklin, Hart	51 min
May 19, 6:44 AM EDT	Areal Flood Advisory	GSP	Elbert, Franklin, Hart	106 min
May 19, 8:28 AM EDT	Areal Flood Advisory	GSP	Elbert, Franklin, Hart	2 hr

Nearby

Flash Flood Warnings in South Carolina, 2013 Every flash flood warning in 2013

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.