Alert archive / North Carolina / Flash Flood Warnings in 2013

Flash Flood Warning 51, NWS Greenville-Spartanburg, SC

July 11, 2013Alexander County, Davie County, Iredell County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 11, 2013, 7:42 PM EDT for Alexander County, Davie County, Iredell 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: Jul 11, 2013, 7:42 PM EDT (23:42 UTC)
Expired: Jul 11, 2013, 10:30 PM EDT
In force: 3 hr
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Flood severity: None

Counties Alexander County, NC, Davie County, NC, Iredell County, NC

The radar

The Roanoke radar (KFCX), 137 km from the middle of the area, began a volume at 23:47 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, 11.7 hours before the alert went out and 89 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: 534 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 533 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 23 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 Jul 11, 5:21 PM EDT, 2 hours 21 minutes earlier.

Area forecast discussion, Jul 11, 5:21 PM EDT, 2 hours 21 minutes before

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Hazardous weather outlook, Jul 11, 3:27 PM EDT, 4 hours 15 minutes before

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In the hours before

Special weather statement, Jul 11, 5:51 PM EDT, 1 hour 51 minutes before

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Local storm report, Jul 11, 6:29 PM EDT, 1 hour 13 minutes before

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Local storm report, Jul 11, 6:42 PM EDT, 1 hour before

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Local storm report, Jul 11, 6:48 PM EDT, 54 minutes before

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Special weather statement, Jul 11, 7:14 PM EDT, 28 minutes before

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Local storm report, Jul 11, 7:26 PM EDT, 16 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
Jul 10, 8:06 PM EDT	Flash Flood Warning	GSP	Buncombe	3 hr
Jul 10, 8:19 PM EDT	Special Weather Statement	GSP	Cleveland	56 min
Jul 10, 8:45 PM EDT	Areal Flood Advisory	GSP	Cleveland, Polk, Rutherford	105 min
Jul 10, 9:01 PM EDT	Areal Flood Advisory	GSP	Catawba, Iredell, Lincoln	3 hr
Jul 10, 9:09 PM EDT	Special Weather Statement	GSP	Cleveland	51 min
Jul 10, 9:37 PM EDT	Special Weather Statement	GSP	Rowan	68 min
Jul 10, 10:59 PM EDT	Areal Flood Warning	GSP	Buncombe	3 hr
Jul 10, 11:06 PM EDT	River Flood Advisory	GSP	Henderson, Transylvania	12 hr
Jul 11, 4:16 AM EDT	Flash Flood Watch	GSP	Alexander, Avery, Buncombe, Burke, Cabarrus, Caldwell and 17 more	24 hr
Jul 11, 9:12 AM EDT	Special Weather Statement	GSP	Mecklenburg	63 min
Jul 11, 9:50 AM EDT	Areal Flood Advisory	GSP	Mecklenburg	2 hr
Jul 11, 10:02 AM EDT	Flash Flood Warning	GSP	Mecklenburg	3 hr
Jul 11, 12:53 PM EDT	Areal Flood Warning	GSP	Mecklenburg	3 hr
Jul 11, 2:17 PM EDT	Special Weather Statement	GSP	Union	43 min
Jul 11, 2:49 PM EDT	Special Weather Statement	GSP	Iredell	41 min
Jul 11, 3:17 PM EDT	Areal Flood Advisory	GSP	Iredell	2 hr
Jul 11, 5:33 PM EDT	Special Weather Statement	GSP	Union	57 min
Jul 11, 7:14 PM EDT	Special Weather Statement	GSP	Alexander, Davie, Iredell	61 min
Jul 10, 9:11 PM EDT	Special Weather Statement	GSP	Cherokee	49 min
Jul 10, 10:51 PM EDT	Areal Flood Advisory	GSP	Cherokee, York	2 hr
Jul 11, 2:38 PM EDT	Special Weather Statement	GSP	Cherokee	52 min
Jul 11, 2:50 PM EDT	Special Weather Statement	GSP	Cherokee	40 min
Jul 11, 3:01 PM EDT	Areal Flood Advisory	GSP	Cherokee	119 min
Jul 11, 3:09 PM EDT	Special Weather Statement	GSP	Greenwood	66 min
Jul 11, 3:35 PM EDT	Special Weather Statement	GSP	Spartanburg	55 min
Jul 11, 4:00 PM EDT	Special Weather Statement	GSP	Cherokee	45 min
Jul 11, 4:56 PM EDT	Special Weather Statement	GSP	York	49 min
Jul 11, 5:03 PM EDT	Special Weather Statement	GSP	Chester	27 min
Jul 11, 5:29 PM EDT	Special Weather Statement	GSP	Chester	46 min
Jul 11, 5:39 PM EDT	Areal Flood Advisory	GSP	Chester	111 min
Jul 11, 5:51 PM EDT	Special Weather Statement	GSP	Union	39 min
Jul 11, 5:57 PM EDT	Flash Flood Warning	GSP	Chester	3 hr
Jul 11, 6:21 PM EDT	Areal Flood Advisory	GSP	Union	2 hr
Jul 11, 6:34 PM EDT	Flash Flood Warning	GSP	Union	3 hr
Jul 11, 7:37 PM EDT	Flash Flood Warning	GSP	Union	3 hr

Nearby

Flash Flood Warnings in North 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.