Alert archive / Arkansas / Tornado Watches in 2001

Tornado Watch 811

November 23, 200123 counties in Arkansas; 23 counties in Oklahoma; 12 counties in Texas

The Storm Prediction Center issued this tornado watch at Nov 23, 2001, 6:00 PM CST for 23 counties in Arkansas; 23 counties in Oklahoma; 12 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Nov 23, 2001, 6:00 PM CST (00:00 UTC)
Expired: Nov 23, 2001, 11:00 PM CST
In force: 5 hr
Issued by: the Storm Prediction Center

All 58 counties

Benton County, AR, Boone County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Hempstead County, AR, Howard County, AR, Johnson County, AR, Lafayette County, AR, Little River County, AR, Logan County, AR, Madison County, AR, Miller County, AR, Montgomery County, AR, Newton County, AR, Pike County, AR, Polk County, AR, Pope County, AR, Scott County, AR, Sebastian County, AR, Sevier County, AR, Washington County, AR, Yell County, AR, Adair County, OK, Atoka County, OK, Bryan County, OK, Cherokee County, OK, Choctaw County, OK, Coal County, OK, Delaware County, OK, Haskell County, OK, Hughes County, OK, Latimer County, OK, LeFlore County, OK, Mayes County, OK, McCurtain County, OK, McIntosh County, OK, Muskogee County, OK, Okfuskee County, OK, Okmulgee County, OK, Pittsburg County, OK, Pushmataha County, OK, Rogers County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Bowie County, TX, Collin County, TX, Delta County, TX, Fannin County, TX, Franklin County, TX, Grayson County, TX, Hopkins County, TX, Hunt County, TX, Lamar County, TX, Morris County, TX, Red River County, TX, Titus County, TX

The radar

The Western Arkansas radar (KSRX), 120 km from the middle of the area, began a volume at 00:04 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.

Warnings issued inside it

46 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Nov 23, 6:23 PM CST	Severe Thunderstorm Warning	TSA	Sebastian	52 min
Nov 23, 6:31 PM CST	Severe Thunderstorm Warning	TSA	Crawford, Franklin	44 min
Nov 23, 6:45 PM CST	Severe Thunderstorm Warning	LZK	Logan, Scott	30 min
Nov 23, 6:58 PM CST	Severe Thunderstorm Warning	TSA	LeFlore	47 min
Nov 23, 7:08 PM CST	Severe Thunderstorm Warning	TSA	Madison	52 min
Nov 23, 7:13 PM CST	Tornado Warning	TSA	Franklin	47 min
Nov 23, 7:16 PM CST	Severe Thunderstorm Warning	TSA	Sebastian	44 min
Nov 23, 7:20 PM CST	Tornado Warning	TSA	Delaware	40 min
Nov 23, 7:21 PM CST	Severe Thunderstorm Warning	TSA	Crawford	54 min
Nov 23, 7:30 PM CST	Tornado Warning	TSA	Benton, Washington	30 min
Nov 23, 7:35 PM CST	Tornado Warning	LZK	Johnson	40 min
Nov 23, 7:38 PM CST	Severe Thunderstorm Warning	TSA	Creek, Okmulgee, Tulsa	52 min
Nov 23, 7:57 PM CST	Tornado Warning	TSA	Benton, Washington	63 min
Nov 23, 8:03 PM CST	Tornado Warning	LZK	Newton	57 min
Nov 23, 8:04 PM CST	Severe Thunderstorm Warning	TSA	Rogers, Tulsa	41 min
Nov 23, 8:14 PM CST	Tornado Warning	TSA	Carroll	46 min
Nov 23, 8:23 PM CST	Severe Thunderstorm Warning	TSA	Choctaw, Latimer, Pushmataha	52 min
Nov 23, 8:23 PM CST	Severe Thunderstorm Warning	TSA	Haskell	52 min
Nov 23, 8:32 PM CST	Severe Thunderstorm Warning	TSA	Franklin	43 min
Nov 23, 8:39 PM CST	Severe Thunderstorm Warning	TSA	Sebastian	51 min
Nov 23, 8:41 PM CST	Severe Thunderstorm Warning	LZK	Johnson	34 min
Nov 23, 8:48 PM CST	Severe Thunderstorm Warning	TSA	Crawford	57 min
Nov 23, 8:52 PM CST	Tornado Warning	LZK	Boone, Marion	53 min
Nov 23, 8:56 PM CST	Tornado Warning	TSA	Franklin	49 min
Nov 23, 9:07 PM CST	Severe Thunderstorm Warning	TSA	LeFlore, Sequoyah	53 min
Nov 23, 9:11 PM CST	Tornado Warning	LZK	Newton	49 min
Nov 23, 9:12 PM CST	Tornado Warning	LZK	Johnson	38 min
Nov 23, 9:13 PM CST	Severe Thunderstorm Warning	TSA	Sebastian	47 min
Nov 23, 9:15 PM CST	Severe Thunderstorm Warning	SHV	McCurtain	60 min
Nov 23, 9:15 PM CST	Severe Thunderstorm Warning	TSA	Adair	45 min
Nov 23, 9:29 PM CST	Severe Thunderstorm Warning	TSA	Franklin	46 min
Nov 23, 9:30 PM CST	Severe Thunderstorm Warning	TSA	Crawford, Washington	60 min
Nov 23, 9:34 PM CST	Severe Thunderstorm Warning	SHV	Red River	41 min
Nov 23, 9:38 PM CST	Severe Thunderstorm Warning	TSA	Madison	67 min
Nov 23, 9:42 PM CST	Severe Thunderstorm Warning	TSA	Benton	48 min
Nov 23, 9:45 PM CST	Severe Thunderstorm Warning	TSA	Sebastian	45 min
Nov 23, 9:47 PM CST	Severe Thunderstorm Warning	LZK	Polk, Scott	63 min
Nov 23, 9:50 PM CST	Tornado Warning	LZK	Johnson, Pope	40 min
Nov 23, 9:55 PM CST	Flash Flood Warning	TSA	Franklin	2 hr
Nov 23, 10:11 PM CST	Severe Thunderstorm Warning	SHV	Howard, Little River, Sevier	64 min
Nov 23, 10:12 PM CST	Severe Thunderstorm Warning	LZK	Logan	63 min
Nov 23, 10:14 PM CST	Severe Thunderstorm Warning	TSA	Franklin	76 min
Nov 23, 10:25 PM CST	Tornado Warning	LZK	Newton	50 min
Nov 23, 10:43 PM CST	Severe Thunderstorm Warning	LZK	Montgomery, Pike	62 min
Nov 23, 10:43 PM CST	Severe Thunderstorm Warning	LZK	Yell	62 min
Nov 23, 10:46 PM CST	Tornado Warning	LZK	Pope	59 min

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 0.0 hours before the alert went out and 216 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: 39 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 1754 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 100 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 23, 11:00 PM CST	Tornado Watch	SPC	Arkansas, Ashley, Baxter, Boone, Bradley, Calhoun and 47 more	4 hr
Nov 24, 1:15 AM CST	Tornado Watch	SPC	Ashley, Chicot, Desha, Drew, Lee, Phillips	6 hr
Nov 24, 2:30 AM CST	Tornado Watch	SPC	Clay, Craighead, Crittenden, Cross, Greene, Mississippi and 2 more	5 hr
Nov 23, 7:30 PM CST	Tornado Watch	SPC	Ottawa	5 hr

Nearby

Tornado Watches in Arkansas, 2001 Tornado Watches in Oklahoma, 2001 Tornado Watches in Texas, 2001 Every tornado watch in 2001

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.