Alert archive / Oklahoma / Mesoscale Discussions in 2024

Mesoscale Discussion 2199

November 3, 20244 counties in Arkansas; 7 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Nov 3, 2024, 9:59 PM CST for 4 counties in Arkansas; 7 counties in Oklahoma. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Nov 3, 2024, 9:59 PM CST (03:59 UTC)
Expired: Nov 4, 2024, 12:00 AM CST
In force: 2 hr
Issued by: the Storm Prediction Center
Concerning: Tornado watch 703

Counties Crawford County, AR, Polk County, AR, Scott County, AR, Sebastian County, AR, Haskell County, OK, Hughes County, OK, Latimer County, OK, LeFlore County, OK, McIntosh County, OK, Pittsburg County, OK, Sequoyah County, OK

The radar

The Western Arkansas radar (KSRX), 77 km from the middle of the area, began a volume at 04:00 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

Norman, OK (KOUN), launched 00:00Z, 4.0 hours before the alert went out and 208 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: 48 J/kg
Mixed-layer CIN: -332 J/kg
Mixed-layer LCL: 1504 m above ground
0-6 km bulk shear: 76 kt
0-1 km storm-relative helicity: 635 m²/s²
0-3 km storm-relative helicity: 560 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 3, 6:46 PM CST	Mesoscale Discussion	SPC	Crawford, Polk, Scott, Sebastian, Sevier	119 min
Nov 3, 7:41 PM CST	Tornado Watch	SPC	Crawford, Franklin, Sebastian	4 hr
Nov 4, 12:12 PM CST	Mesoscale Discussion	SPC	Benton	63 min
Nov 4, 1:14 PM CST	Mesoscale Discussion	SPC	Benton, Carroll, Madison, Washington	91 min
Nov 4, 1:26 PM CST	Mesoscale Discussion	SPC	Franklin, Garland, Hempstead, Howard, Johnson, Little River and 9 more	2 hr
Nov 4, 1:35 PM CST	Tornado Watch	SPC	Baxter, Benton, Boone, Carroll, Crawford, Franklin and 14 more	9 hr
Nov 4, 2:54 PM CST	Mesoscale Discussion	SPC	Benton, Crawford, Washington	96 min
Nov 4, 5:05 PM CST	Mesoscale Discussion	SPC	Howard, Little River, Miller, Pike, Sevier	55 min
Nov 4, 5:30 PM CST	Tornado Watch	SPC	Hempstead, Howard, Little River, Miller, Sevier	6 hr
Nov 3, 11:37 PM CST	Mesoscale Discussion	SPC	Greer, Harmon, Jackson	2 hr
Nov 4, 5:01 AM CST	Mesoscale Discussion	SPC	Caddo, Canadian, Carter, Cleveland, Comanche, Cotton and 14 more	119 min
Nov 4, 8:37 AM CST	Mesoscale Discussion	SPC	Atoka, Bryan, Carter, Cherokee, Cleveland, Coal and 27 more	2 hr
Nov 4, 10:52 AM CST	Tornado Watch	SPC	Adair, Atoka, Bryan, Carter, Cherokee, Choctaw and 34 more	9 hr

Nearby

Mesoscale Discussions in Oklahoma, 2024 Mesoscale Discussions in Arkansas, 2024 Every mesoscale discussion 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.