Alert archive / North Carolina / Flash Flood Warnings in 2024

Flash Flood Warning 12, NWS Raleigh, NC

July 6, 2024Guilford County, North Carolina

NWS Raleigh, NC issued this flash flood warning at Jul 6, 2024, 9:27 PM EDT for Guilford County, North Carolina. It was in force for 2 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 6, 2024, 9:27 PM EDT (01:27 UTC)
Expired
Jul 6, 2024, 11:54 PM EDT
In force
2 hr
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Flood severity
None

County Guilford County, NC

The radar

The Roanoke radar (KFCX), 114 km from the middle of the area, began a volume at 01:28 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

Newport, NC (KMHX), launched 00:00Z, 1.5 hours before the alert went out and 301 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, Newport, NC at 00:00Z on 2024-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1045 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, Newport, NC at 00:00Z on 2024-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 square meters per square second.1939Sfc1 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
1045 J/kg
Mixed-layer CIN
-91 J/kg
Mixed-layer LCL
813 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 6, 8:00 PM EDTSevere Thunderstorm WarningRAHEdgecombe, Franklin, Halifax, Nash, Warren45 min
Jul 6, 8:22 PM EDTSpecial Weather StatementRAHCumberland, Hoke, Scotland68 min
Jul 6, 8:27 PM EDTSpecial Weather StatementRAHHalifax63 min
Jul 6, 8:30 PM EDTSpecial Weather StatementRAHEdgecombe60 min
Jul 6, 9:11 PM EDTSpecial Weather StatementRAHGuilford64 min
Jul 6, 9:16 PM EDTAreal Flood AdvisoryRAHGuilford11 min
Jul 7, 12:09 PM EDTSpecial Weather StatementRAHChatham66 min
Jul 7, 1:34 PM EDTAreal Flood AdvisoryRAHAlamance, Chatham, Guilford, Orange, Randolph3 hr
Jul 7, 2:47 PM EDTAreal Flood AdvisoryRAHDavidson, Guilford, Randolph3 hr
Jul 7, 3:12 PM EDTAreal Flood AdvisoryRAHDurham, Franklin, Granville, Orange, Person, Vance2 hr
Jul 7, 5:34 PM EDTSpecial Weather StatementRAHWayne56 min
Jul 7, 6:24 PM EDTSpecial Weather StatementRAHHarnett, Johnston66 min
Jul 7, 7:06 PM EDTSpecial Weather StatementRAHJohnston, Sampson54 min

Nearby

Flash Flood Warnings in North Carolina, 2024Every 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.