Alert archive / North Carolina / Flash Flood Warnings in 2024

Flash Flood Warning 36, NWS Greenville-Spartanburg, SC

July 30, 2024Henderson County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 30, 2024, 6:59 PM EDT for Henderson County, North Carolina. It was in force for 4 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 30, 2024, 6:59 PM EDT (22:59 UTC)
Expired: Jul 30, 2024, 11:00 PM EDT
In force: 4 hr
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon
Flood severity: None

County Henderson County, NC

The radar

The Greer radar (KGSP), 56 km from the middle of the area, began a volume at 23:00 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, 11.0 hours before the alert went out and 287 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: 1295 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 539 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 150 m²/s²
0-3 km storm-relative helicity: 142 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.3

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 30, 5:58 PM EDT, 1 hour 1 minute earlier.

Area forecast discussion, Jul 30, 5:58 PM EDT, 1 hour 1 minute before

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Hazardous weather outlook, Jul 30, 3:57 PM EDT, 3 hours 2 minutes before

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In the hours before

Special weather statement, Jul 30, 5:44 PM EDT, 1 hour 15 minutes before

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Special weather statement, Jul 30, 5:48 PM EDT, 1 hour 11 minutes before

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Special weather statement, Jul 30, 6:21 PM EDT, 38 minutes before

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Special weather statement, Jul 30, 6:39 PM EDT, 20 minutes before

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Special weather statement, Jul 30, 6:52 PM EDT, 7 minutes before

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Special weather statement, Jul 30, 6:57 PM EDT, 2 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 30, 8:22 AM EDT	Special Weather Statement	GSP	Avery, Madison, Mitchell, Yancey	68 min
Jul 30, 8:49 AM EDT	Special Weather Statement	GSP	Madison	56 min
Jul 30, 5:04 PM EDT	Special Weather Statement	GSP	Henderson	26 min
Jul 30, 5:21 PM EDT	Severe Thunderstorm Warning	GSP	Henderson, Polk	39 min
Jul 30, 5:39 PM EDT	Special Weather Statement	GSP	Rutherford	51 min
Jul 30, 5:44 PM EDT	Special Weather Statement	GSP	Graham	46 min
Jul 30, 5:48 PM EDT	Special Weather Statement	GSP	Henderson	42 min
Jul 30, 6:21 PM EDT	Special Weather Statement	GSP	Buncombe, Graham, Haywood, Jackson, Macon, Madison and 1 more	39 min
Jul 30, 6:34 PM EDT	Areal Flood Advisory	GSP	Henderson	33 min
Jul 30, 6:39 PM EDT	Special Weather Statement	GSP	Henderson	51 min
Jul 30, 6:52 PM EDT	Special Weather Statement	GSP	Rutherford	38 min
Jul 30, 6:57 PM EDT	Special Weather Statement	GSP	Caldwell	33 min
Jul 30, 7:10 PM EDT	Special Weather Statement	GSP	Rutherford	50 min
Jul 30, 7:18 PM EDT	Special Weather Statement	GSP	Henderson, McDowell, Polk, Transylvania	42 min
Jul 30, 7:21 PM EDT	Special Weather Statement	GSP	Lincoln	39 min
Jul 30, 7:40 PM EDT	Special Weather Statement	GSP	Alexander	35 min
Jul 30, 7:43 PM EDT	Severe Thunderstorm Warning	GSP	Catawba, Lincoln	47 min
Jul 30, 7:46 PM EDT	Special Weather Statement	GSP	Alexander	44 min
Jul 30, 7:52 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Caldwell, Catawba, Iredell, Rowan	38 min
Jul 30, 7:58 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Gaston	47 min
Jul 30, 2:54 PM EDT	Special Weather Statement	GSP	Oconee	36 min
Jul 30, 3:34 PM EDT	Special Weather Statement	GSP	Oconee	41 min
Jul 30, 7:37 PM EDT	Special Weather Statement	GSP	Cherokee	38 min
Jul 30, 7:43 PM EDT	Severe Thunderstorm Warning	GSP	Greenville	62 min
Jul 30, 3:13 PM EDT	Special Weather Statement	GSP	Habersham	47 min
Jul 30, 3:24 PM EDT	Special Weather Statement	GSP	Stephens	51 min
Jul 30, 4:13 PM EDT	Special Weather Statement	GSP	Habersham	47 min
Jul 30, 5:11 PM EDT	Special Weather Statement	GSP	Habersham	34 min

Nearby

Flash Flood Warnings in North Carolina, 2024 Every flash flood warning in 2024

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.