Alert archive / North Carolina / Flash Flood Watches in 2013

Flash Flood Watch 4, NWS Greenville-Spartanburg, SC

June 9, 201328 counties in North Carolina; 8 counties in South Carolina; 6 counties in Georgia

NWS Greenville-Spartanburg, SC issued this flash flood watch at Jun 9, 2013, 9:09 PM EDT for 28 counties in North Carolina; 8 counties in South Carolina; 6 counties in Georgia. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued: Jun 9, 2013, 9:09 PM EDT (01:09 UTC)
Expired: Jun 10, 2013, 4:29 PM EDT
In force: 19 hr
Issued by: NWS Greenville-Spartanburg, SC
Flood severity: None

All 42 counties

Elbert County, GA, Franklin County, GA, Habersham County, GA, Hart County, GA, Rabun County, GA, Stephens County, GA, Alexander County, NC, Avery County, NC, Buncombe County, NC, Burke County, NC, Cabarrus County, NC, Caldwell County, NC, Catawba County, NC, Cleveland County, NC, Davie County, NC, Gaston County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Iredell County, NC, Jackson County, NC, Lincoln County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mecklenburg County, NC, Mitchell County, NC, Polk County, NC, Rowan County, NC, Rutherford County, NC, Swain County, NC, Transylvania County, NC, Union County, NC, Yancey County, NC, Abbeville County, SC, Anderson County, SC, Cherokee County, SC, Chester County, SC, Greenwood County, SC, Laurens County, SC, Union County, SC, York County, SC

The radar

The Greer radar (KGSP), 40 km from the middle of the area, began a volume at 01:08 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, 1.2 hours before the alert went out and 219 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: 619 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 879 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 116 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch 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 watch went out at Jun 9, 8:51 PM EDT, 18 minutes earlier.

Area forecast discussion, Jun 9, 8:51 PM EDT, 18 minutes before

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Hazardous weather outlook, Jun 9, 8:37 PM EDT, 32 minutes before

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In the hours before

Special weather statement, Jun 9, 5:56 PM EDT, 3 hours 13 minutes before

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Local storm report, Jun 9, 6:21 PM EDT, 2 hours 48 minutes before

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Special weather statement, Jun 9, 6:33 PM EDT, 2 hours 36 minutes before

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Local storm report, Jun 9, 7:32 PM EDT, 1 hour 37 minutes before

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Special weather statement, Jun 9, 8:35 PM EDT, 34 minutes before

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Local storm report, Jun 9, 9:03 PM EDT, 6 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
Jun 10, 1:52 AM EDT	Special Weather Statement	GSP	McDowell	38 min
Jun 10, 4:45 AM EDT	Areal Flood Warning	GSP	Transylvania	3 hr
Jun 10, 6:32 AM EDT	Areal Flood Advisory	GSP	Cabarrus, Mecklenburg	118 min
Jun 10, 1:28 PM EDT	River Flood Advisory	GSP	Henderson, Transylvania	12 hr
Jun 10, 1:33 PM EDT	Special Weather Statement	GSP	Rutherford	42 min
Jun 10, 2:12 PM EDT	Special Weather Statement	GSP	Alexander	48 min
Jun 10, 2:24 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Gaston	66 min
Jun 10, 2:49 PM EDT	Severe Thunderstorm Warning	GSP	Gaston, Mecklenburg, Union	56 min
Jun 10, 3:13 PM EDT	Special Weather Statement	GSP	Davie, Iredell, Rowan	47 min
Jun 10, 3:18 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Rowan	57 min
Jun 10, 3:34 PM EDT	Special Weather Statement	GSP	Union	56 min
Jun 10, 6:19 PM EDT	Areal Flood Advisory	GSP	Catawba, Iredell	23 hr
Jun 9, 9:14 PM EDT	Areal Flood Advisory	GSP	Oconee	76 min
Jun 10, 12:14 AM EDT	Special Weather Statement	GSP	Anderson	46 min
Jun 10, 11:25 AM EDT	Special Weather Statement	GSP	Oconee	65 min
Jun 10, 12:31 PM EDT	Special Weather Statement	GSP	Anderson, Pickens	44 min
Jun 10, 12:50 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Greenville, Oconee, Pickens	55 min
Jun 10, 1:25 PM EDT	Tornado Warning	GSP	Greenville, Laurens, Spartanburg	50 min
Jun 10, 3:23 PM EDT	Special Weather Statement	GSP	Chester	52 min
Jun 10, 3:25 PM EDT	Special Weather Statement	GSP	Chester	65 min
Jun 9, 8:35 PM EDT	Special Weather Statement	GSP	Hart	40 min

Nearby

Flash Flood Watches in North Carolina, 2013 Flash Flood Watches in South Carolina, 2013 Flash Flood Watches in Georgia, 2013 Every flash flood watch 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.