Alert archive / North Carolina / Red Flag Warnings in 2022

Red Flag Warning 4, NWS Greenville-Spartanburg, SC

March 30, 20224 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this red flag warning at Mar 30, 2022, 11:50 AM EDT for 4 counties in North Carolina. It took effect at Mar 30, 2022, 12:00 PM EDT. It was in force for 18 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: Mar 30, 2022, 11:50 AM EDT (15:50 UTC)
In effect from: Mar 30, 2022, 12:00 PM EDT
Expired: Mar 31, 2022, 6:00 AM EDT
In force: 18 hr
Issued by: NWS Greenville-Spartanburg, SC

Counties Graham County, NC, Haywood County, NC, Jackson County, NC, Swain County, NC

The radar

The Knoxville radar (KMRX), 83 km from the middle of the area, began a volume at 15:52 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

Nashville Metro, TN (KBNA), launched 12:00Z, 3.8 hours before the alert went out and 303 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1225 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 267 m²/s²
0-3 km storm-relative helicity: 389 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 red flag 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 red flag warning went out at Mar 29, 7:29 PM EDT, 16 hours 21 minutes earlier.

Area forecast discussion, Mar 29, 7:29 PM EDT, 16 hours 21 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
Mar 30, 12:26 PM EDT	High Wind Warning	GSP	Graham, Haywood, Jackson, Macon, Swain	23 hr

Nearby

Red Flag Warnings in North Carolina, 2022 Every red flag 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.