Alert archive / North Carolina / Flash Flood Warnings in 2022

Flash Flood Warning 16, NWS Greenville-Spartanburg, SC

July 19, 2022Union County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 19, 2022, 8:53 PM EDT for Union 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 19, 2022, 8:53 PM EDT (00:53 UTC)
Expired
Jul 20, 2022, 12:45 AM EDT
In force
4 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Flood severity
None

County Union County, NC

The radar

The Columbia radar (KCAE), 128 km from the middle of the area, began a volume at 00:56 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

Charleston AFB, SC (KCHS), launched 00:00Z, 0.9 hours before the alert went out and 237 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-pSkew-T log-p diagram, Charleston AFB, SC at 00:00Z on 2022-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 971 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 00:00Z on 2022-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 166 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
971 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
1077 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
166 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
0.4
Supercell composite
6.4

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 8:21 PM EDTAreal Flood AdvisoryGSPUnion3 hr
Jul 19, 8:32 PM EDTSpecial Weather StatementGSPUnion28 min
Jul 19, 9:18 PM EDTSpecial Weather StatementGSPUnion42 min
Jul 19, 9:29 PM EDTAreal Flood AdvisoryGSPUnion3 hr
Jul 20, 2:35 PM EDTSpecial Weather StatementGSPBuncombe, Haywood25 min
Jul 20, 2:53 PM EDTSpecial Weather StatementGSPBuncombe37 min
Jul 20, 3:25 PM EDTSpecial Weather StatementGSPBuncombe35 min
Jul 20, 3:52 PM EDTSpecial Weather StatementGSPMcDowell, Polk23 min
Jul 20, 4:15 PM EDTSevere Thunderstorm WarningGSPBurke, Cleveland, McDowell, Polk, Rutherford45 min
Jul 20, 4:55 PM EDTSpecial Weather StatementGSPCleveland35 min
Jul 20, 5:03 PM EDTSpecial Weather StatementGSPCleveland, Rutherford27 min
Jul 20, 5:04 PM EDTSpecial Weather StatementGSPCatawba26 min
Jul 20, 5:12 PM EDTSevere Thunderstorm WarningGSPCleveland, Rutherford48 min
Jul 20, 5:23 PM EDTSpecial Weather StatementGSPCabarrus37 min
Jul 20, 5:25 PM EDTSpecial Weather StatementGSPGaston35 min
Jul 20, 5:37 PM EDTSevere Thunderstorm WarningGSPCleveland, Gaston53 min
Jul 20, 5:48 PM EDTSpecial Weather StatementGSPIredell27 min
Jul 20, 6:03 PM EDTSpecial Weather StatementGSPMacon27 min
Jul 20, 6:08 PM EDTSpecial Weather StatementGSPMecklenburg37 min
Jul 20, 6:14 PM EDTSpecial Weather StatementGSPGaston, Mecklenburg31 min
Jul 20, 6:15 PM EDTSpecial Weather StatementGSPRowan30 min
Jul 20, 6:18 PM EDTSpecial Weather StatementGSPDavie27 min
Jul 20, 6:27 PM EDTSpecial Weather StatementGSPDavidson33 min
Jul 20, 6:40 PM EDTSpecial Weather StatementGSPCabarrus, Mecklenburg, Rowan35 min
Jul 20, 6:59 PM EDTSpecial Weather StatementGSPCabarrus, Rowan31 min
Jul 20, 7:16 PM EDTSpecial Weather StatementGSPUnion29 min
Jul 20, 7:29 PM EDTSpecial Weather StatementGSPUnion31 min
Jul 20, 7:30 PM EDTSpecial Weather StatementGSPDavidson30 min
Jul 20, 7:42 PM EDTSpecial Weather StatementGSPUnion33 min
Jul 19, 8:16 PM EDTSpecial Weather StatementGSPUnion29 min
Jul 20, 3:24 AM EDTSpecial Weather StatementGSPAbbeville36 min
Jul 20, 2:21 PM EDTSpecial Weather StatementGSPOconee24 min
Jul 20, 2:49 PM EDTSpecial Weather StatementGSPOconee26 min
Jul 20, 3:15 PM EDTSpecial Weather StatementGSPOconee30 min
Jul 20, 3:43 PM EDTSpecial Weather StatementGSPOconee32 min
Jul 20, 3:59 PM EDTSevere Thunderstorm WarningGSPAnderson, Oconee33 min
Jul 20, 4:48 PM EDTSpecial Weather StatementGSPAbbeville27 min
Jul 20, 6:23 PM EDTSpecial Weather StatementGSPCherokee, York37 min
Jul 20, 6:55 PM EDTSpecial Weather StatementGSPYork35 min
Jul 20, 7:20 PM EDTSpecial Weather StatementGSPYork25 min
Jul 20, 7:24 PM EDTSpecial Weather StatementGSPOconee36 min
Jul 20, 4:01 AM EDTSpecial Weather StatementGSPElbert29 min
Jul 20, 2:50 PM EDTSpecial Weather StatementGSPRabun25 min

Nearby

Flash Flood Warnings in North Carolina, 2022Every flash flood warning in 2022

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.