Alert archive / North Carolina / Flash Flood Warnings in 2024

Flash Flood Warning 57, NWS Raleigh, NC

September 16, 202410 counties in North Carolina

NWS Raleigh, NC issued this flash flood warning at Sep 16, 2024, 4:04 PM EDT for 10 counties in North Carolina. It was in force for 8 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: Sep 16, 2024, 4:04 PM EDT (20:04 UTC)
Expired: Sep 17, 2024, 12:00 AM EDT
In force: 8 hr
Issued by: NWS Raleigh, NC
Area: Storm-based polygon
Damage threat: Considerable
Flood severity: None

Counties Chatham County, NC, Cumberland County, NC, Harnett County, NC, Hoke County, NC, Johnston County, NC, Lee County, NC, Moore County, NC, Scotland County, NC, Wake County, NC, Wayne County, NC

The radar

The Raleigh/Durham radar (KRAX), 54 km from the middle of the area, began a volume at 20:05 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, 8.1 hours before the alert went out and 120 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 656 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: 145 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 Raleigh, NC wrote its last area forecast discussion before this flash flood warning went out at Sep 16, 3:27 PM EDT, 37 minutes earlier.

Area forecast discussion, Sep 16, 3:27 PM EDT, 37 minutes before

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Hazardous weather outlook, Sep 16, 3:35 PM EDT, 29 minutes before

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In the hours before

Local storm report, Sep 16, 3:23 PM EDT, 41 minutes before

Preliminary Local Storm Report
National Weather Service Raleigh NC
323 PM EDT Mon Sep 16 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0239 PM     Non-Tstm Wnd Gst 4 E Hope Mills          34.98N 78.88W
09/16/2024  M48 MPH          Cumberland         NC   ASOS

            ASOS station KFAY Fayetteville.

0201 PM     Non-Tstm Wnd Gst 5 ENE East Laurinburg   34.78N 79.37W
09/16/2024  M41 MPH          Scotland           NC   ASOS

            ASOS station KMEB Maxton.

&&

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 16, 9:37 AM EDT	Wind Advisory	RAH	Anson, Chatham, Cumberland, Davidson, Harnett, Hoke and 11 more	16 hr
Sep 16, 12:53 PM EDT	Areal Flood Advisory	RAH	Cumberland	99 min
Sep 16, 1:41 PM EDT	Areal Flood Advisory	RAH	Durham, Harnett, Johnston, Wake	3 hr
Sep 16, 2:32 PM EDT	Flash Flood Warning Considerable damage threat	RAH	Cumberland	7 hr
Sep 16, 3:26 PM EDT	Flash Flood Warning Considerable damage threat	RAH	Cumberland, Sampson	6 hr

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.