Alert archive / South Carolina / Flash Flood Warnings in 2015

Flash Flood Warning 9, NWS Greenville-Spartanburg, SC

May 28, 2015Spartanburg County, South Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at May 28, 2015, 6:34 PM EDT for Spartanburg County, South Carolina. It was in force for 116 min. 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 28, 2015, 6:34 PM EDT (22:34 UTC)
Expired: May 28, 2015, 8:30 PM EDT
In force: 116 min
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 22:35 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.6 hours before the alert went out and 289 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: 397 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 722 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 65 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 28, 4:51 PM EDT, 1 hour 43 minutes earlier.

Area forecast discussion, May 28, 4:51 PM EDT, 1 hour 43 minutes before

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Hazardous weather outlook, May 28, 5:33 PM EDT, 1 hour 1 minute before

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In the hours before

Special weather statement, May 28, 4:44 PM EDT, 1 hour 50 minutes before

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Special weather statement, May 28, 4:47 PM EDT, 1 hour 47 minutes before

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Special weather statement, May 28, 5:08 PM EDT, 1 hour 26 minutes before

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Special weather statement, May 28, 5:23 PM EDT, 1 hour 11 minutes before

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Special weather statement, May 28, 6:11 PM EDT, 23 minutes before

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Special weather statement, May 28, 6:14 PM EDT, 20 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 8:18 PM EDT	Special Weather Statement	GSP	Haywood	42 min
May 27, 8:40 PM EDT	Areal Flood Advisory	GSP	Haywood	2 hr
May 27, 9:14 PM EDT	Flash Flood Warning	GSP	Haywood	2 hr
May 27, 10:06 PM EDT	Areal Flood Advisory	GSP	Madison, Yancey	114 min
May 28, 1:40 PM EDT	Special Weather Statement	GSP	Transylvania	50 min
May 28, 3:11 PM EDT	Special Weather Statement	GSP	Mecklenburg	34 min
May 28, 3:51 PM EDT	Special Weather Statement	GSP	Mecklenburg	24 min
May 28, 6:01 PM EDT	Areal Flood Advisory	GSP	Avery, Caldwell	3 hr
May 28, 6:14 PM EDT	Special Weather Statement	GSP	Gaston	31 min
May 28, 6:57 PM EDT	Special Weather Statement	GSP	Catawba	33 min
May 28, 6:58 PM EDT	Special Weather Statement	GSP	Iredell	32 min
May 28, 7:37 PM EDT	Special Weather Statement	GSP	Catawba	23 min
May 28, 7:38 PM EDT	Areal Flood Advisory	GSP	Burke, Catawba	2 hr
May 28, 7:40 PM EDT	Special Weather Statement	GSP	Rutherford	50 min
May 28, 2:21 PM EDT	Special Weather Statement	GSP	Anderson	24 min
May 28, 2:49 PM EDT	Special Weather Statement	GSP	Abbeville	26 min
May 28, 3:08 PM EDT	Special Weather Statement	GSP	Greenwood	37 min
May 28, 3:55 PM EDT	Special Weather Statement	GSP	Pickens	35 min
May 28, 3:58 PM EDT	Special Weather Statement	GSP	Union	32 min
May 28, 4:25 PM EDT	Special Weather Statement	GSP	Pickens	35 min
May 28, 4:34 PM EDT	Special Weather Statement	GSP	Cherokee	26 min
May 28, 4:44 PM EDT	Special Weather Statement	GSP	Oconee	31 min
May 28, 4:47 PM EDT	Special Weather Statement	GSP	Union	28 min
May 28, 5:07 PM EDT	Areal Flood Advisory	GSP	Pickens	3 hr
May 28, 5:08 PM EDT	Special Weather Statement	GSP	Cherokee	52 min
May 28, 5:23 PM EDT	Special Weather Statement	GSP	Oconee	37 min
May 28, 5:36 PM EDT	Severe Thunderstorm Warning	GSP	Spartanburg	39 min
May 28, 6:11 PM EDT	Special Weather Statement	GSP	Spartanburg	49 min
May 28, 6:24 PM EDT	Areal Flood Advisory	GSP	Spartanburg	2 hr
May 28, 7:14 PM EDT	Special Weather Statement	GSP	York	31 min
May 28, 1:44 PM EDT	Special Weather Statement	GSP	Hart	31 min
May 28, 2:43 PM EDT	Special Weather Statement	GSP	Franklin	32 min
May 28, 3:18 PM EDT	Special Weather Statement	GSP	Elbert	27 min
May 28, 3:42 PM EDT	Areal Flood Advisory	GSP	Elbert	2 hr

Nearby

Flash Flood Warnings in South Carolina, 2015 Every flash flood warning in 2015

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.