Alert archive / Arkansas / Tornado Watches in 1999

Tornado Watch 24

January 21, 19995 states

The Storm Prediction Center issued this tornado watch at Jan 21, 1999, 9:00 PM CST for 5 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jan 21, 1999, 9:00 PM CST (03:00 UTC)
Expired: Jan 22, 1999, 3:00 AM CST
In force: 6 hr
Issued by: the Storm Prediction Center

All 92 counties

Arkansas County, AR, Ashley County, AR, Baxter County, AR, Bradley County, AR, Calhoun County, AR, Chicot County, AR, Clark County, AR, Clay County, AR, Cleburne County, AR, Cleveland County, AR, Columbia County, AR, Conway County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Faulkner County, AR, Fulton County, AR, Garland County, AR, Grant County, AR, Greene County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Jefferson County, AR, Lafayette County, AR, Lawrence County, AR, Lee County, AR, Lincoln County, AR, Little River County, AR, Lonoke County, AR, Marion County, AR, Miller County, AR, Mississippi County, AR, Monroe County, AR, Montgomery County, AR, Nevada County, AR, Ouachita County, AR, Perry County, AR, Phillips County, AR, Pike County, AR, Poinsett County, AR, Pope County, AR, Prairie County, AR, Pulaski County, AR, Randolph County, AR, Saline County, AR, Searcy County, AR, Sevier County, AR, Sharp County, AR, St. Francis County, AR, Stone County, AR, Union County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Yell County, AR, Dunklin County, MO, Pemiscot County, MO, Bolivar County, MS, Coahoma County, MS, DeSoto County, MS, Humphreys County, MS, Leflore County, MS, Marshall County, MS, Panola County, MS, Quitman County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS, Washington County, MS, Crockett County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Haywood County, TN, Henry County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN, Weakley County, TN, Bowie County, TX, Morris County, TX

The radar

The Little Rock radar (KLZK), 43 km from the middle of the area, began a volume at 03:00 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.

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jan 21, 9:08 PM CST	Severe Thunderstorm Warning	LZK	Hot Spring	32 min
Jan 21, 9:12 PM CST	Tornado Warning	MEG	Mississippi, Poinsett	48 min
Jan 21, 9:17 PM CST	Severe Thunderstorm Warning	JAN	Bolivar	33 min
Jan 21, 9:28 PM CST	Tornado Warning	MEG	Clay, Greene, Randolph	47 min
Jan 21, 9:34 PM CST	Severe Thunderstorm Warning	LZK	Saline	51 min
Jan 21, 9:35 PM CST	Tornado Warning	MEG	Craighead, Lawrence	50 min
Jan 21, 9:35 PM CST	Tornado Warning	JAN	Sunflower	50 min
Jan 21, 9:40 PM CST	Severe Thunderstorm Warning	JAN	Chicot	35 min
Jan 21, 9:50 PM CST	Severe Thunderstorm Warning	LZK	Pulaski	50 min
Jan 21, 9:54 PM CST	Severe Thunderstorm Warning	LZK	Pope, Van Buren	36 min
Jan 21, 9:58 PM CST	Tornado Warning	MEG	Mississippi	47 min
Jan 21, 10:00 PM CST	Severe Thunderstorm Warning	LZK	Lonoke, White	50 min
Jan 21, 10:02 PM CST	Tornado Warning	MEG	Tallahatchie	48 min
Jan 21, 10:07 PM CST	Tornado Warning	JAN	Washington	48 min
Jan 21, 10:08 PM CST	Tornado Warning	MEG	Craighead	47 min
Jan 21, 10:08 PM CST	Tornado Warning	MEG	Poinsett	47 min
Jan 21, 10:08 PM CST	Tornado Warning	MEG	Quitman	47 min
Jan 21, 10:15 PM CST	Tornado Warning	MEG	Clay	50 min
Jan 21, 10:20 PM CST	Flash Flood Warning	MEG	Cross, Poinsett, St. Francis	4 hr
Jan 21, 10:20 PM CST	Flash Flood Warning	MEG	Craighead, Greene, Lawrence, Randolph	4 hr
Jan 21, 10:20 PM CST	Flash Flood Warning	MEG	Clay	4 hr
Jan 21, 10:23 PM CST	Flash Flood Warning	LZK	Cleburne, Faulkner, Lonoke, Pulaski, White	3 hr
Jan 21, 10:23 PM CST	Flash Flood Warning	LZK	Independence	3 hr
Jan 21, 10:23 PM CST	Flash Flood Warning	LZK	Saline	3 hr
Jan 21, 10:25 PM CST	Tornado Warning	MEG	Dyer, Lake, Obion	45 min
Jan 21, 10:29 PM CST	Tornado Warning	MEG	Panola	51 min
Jan 21, 10:31 PM CST	Severe Thunderstorm Warning	LZK	Jackson	49 min
Jan 21, 10:34 PM CST	Tornado Warning	JAN	Humphreys, Sunflower	46 min
Jan 21, 10:43 PM CST	Severe Thunderstorm Warning	LZK	Yell	52 min
Jan 21, 10:45 PM CST	Tornado Warning	MEG	Dunklin, Pemiscot	45 min
Jan 21, 10:46 PM CST	Tornado Warning	MEG	Tate	39 min
Jan 21, 10:54 PM CST	Tornado Warning	JAN	Washington	51 min
Jan 21, 10:56 PM CST	Tornado Warning	MEG	DeSoto	49 min
Jan 21, 11:04 PM CST	Tornado Warning	JAN	Bolivar	51 min
Jan 21, 11:05 PM CST	Tornado Warning	MEG	Shelby	45 min
Jan 21, 11:07 PM CST	Tornado Warning	JAN	Leflore	48 min
Jan 21, 11:08 PM CST	Tornado Warning	MEG	Marshall	32 min
Jan 21, 11:12 PM CST	Tornado Warning	MEG	Quitman, Tallahatchie	48 min
Jan 21, 11:14 PM CST	Severe Thunderstorm Warning	LZK	Prairie	31 min
Jan 21, 11:14 PM CST	Tornado Warning	MEG	Lake	51 min
Jan 21, 11:21 PM CST	Tornado Warning	MEG	Fayette	49 min
Jan 21, 11:22 PM CST	Severe Thunderstorm Warning	LZK	Woodruff	48 min
Jan 21, 11:26 PM CST	Tornado Warning	JAN	Sunflower	34 min
Jan 21, 11:48 PM CST	Severe Thunderstorm Warning	JAN	Bolivar, Washington	47 min
Jan 21, 11:51 PM CST	Severe Thunderstorm Warning	MEG	Craighead, Mississippi, Poinsett	44 min
Jan 21, 11:55 PM CST	Tornado Warning	MEG	Panola	35 min
Jan 21, 11:59 PM CST	Severe Thunderstorm Warning	SHV	Miller	61 min
Jan 21, 11:59 PM CST	Tornado Warning	MEG	Quitman, Tallahatchie	31 min
Jan 22, 12:00 AM CST	Tornado Warning	MEG	Tate	45 min
Jan 22, 12:02 AM CST	Tornado Warning	JAN	Bolivar, Sunflower	48 min
Jan 22, 12:11 AM CST	Severe Thunderstorm Warning	MEG	Dunklin, Pemiscot	49 min
Jan 22, 12:13 AM CST	Tornado Warning	MEG	Fayette	17 min
Jan 22, 12:15 AM CST	Severe Thunderstorm Warning	LZK	Woodruff	35 min
Jan 22, 12:20 AM CST	Severe Thunderstorm Warning	SHV	Lafayette	60 min
Jan 22, 12:32 AM CST	Tornado Warning	MEG	Panola	18 min
Jan 22, 12:34 AM CST	Severe Thunderstorm Warning	SHV	Columbia	61 min
Jan 22, 12:44 AM CST	Severe Thunderstorm Warning	SHV	Hempstead, Nevada	61 min
Jan 22, 1:06 AM CST	Tornado Warning	MEG	Marshall, Tate	49 min
Jan 22, 1:09 AM CST	Severe Thunderstorm Warning	LZK	Clark, Ouachita	61 min
Jan 22, 1:27 AM CST	Severe Thunderstorm Warning	LZK	Bradley, Calhoun	48 min
Jan 22, 1:30 AM CST	Tornado Warning	MEG	Fayette	45 min
Jan 22, 1:39 AM CST	Severe Thunderstorm Warning	LZK	Dallas	46 min
Jan 22, 1:50 AM CST	Severe Thunderstorm Warning	LZK	Grant, Hot Spring	50 min
Jan 22, 1:55 AM CST	Severe Thunderstorm Warning	MEG	Marshall, Tate	45 min
Jan 22, 2:04 AM CST	Tornado Warning	SHV	Union	46 min
Jan 22, 2:05 AM CST	Severe Thunderstorm Warning	LZK	Drew, Lincoln	65 min
Jan 22, 2:09 AM CST	Severe Thunderstorm Warning	LZK	Saline	51 min
Jan 22, 2:16 AM CST	Tornado Warning	MEG	Madison	49 min
Jan 22, 2:19 AM CST	Severe Thunderstorm Warning	LZK	Bradley, Calhoun	66 min
Jan 22, 2:23 AM CST	Tornado Warning	MEG	Benton, Marshall	47 min
Jan 22, 2:30 AM CST	Severe Thunderstorm Warning	LZK	Arkansas, Jefferson	65 min
Jan 22, 2:32 AM CST	Tornado Warning	MEG	Fayette, Hardeman	48 min
Jan 22, 2:35 AM CST	Severe Thunderstorm Warning	LZK	Pulaski	50 min
Jan 22, 2:54 AM CST	Severe Thunderstorm Warning	LZK	Monroe	36 min
Jan 22, 2:56 AM CST	Flash Flood Warning	MEG	Craighead, Mississippi, Poinsett	4 hr
Jan 22, 2:56 AM CST	Flash Flood Warning	MEG	Cross	4 hr
Jan 22, 2:56 AM CST	Flash Flood Warning	MEG	Pemiscot	4 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 3.0 hours before the alert went out and 219 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: 725 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 1259 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 185 m²/s²
0-3 km storm-relative helicity: 283 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 3.9

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
Jan 22, 3:00 AM CST	Tornado Watch	SPC	Arkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 13 more	6 hr
Jan 22, 9:00 AM CST	Tornado Watch	SPC	Lee, Phillips	6 hr
Jan 21, 8:30 PM CST	Tornado Watch	SPC	Adams, Amite, Claiborne, Copiah, Franklin, Hinds and 6 more	7 hr
Jan 22, 3:00 AM CST	Tornado Watch	SPC	Issaquena, Sharkey, Warren, Yazoo	6 hr
Jan 22, 9:45 AM CST	Tornado Watch	SPC	Adams, Amite, Franklin, Lawrence, Lincoln, Pike and 2 more	6 hr
Jan 22, 12:45 PM CST	Tornado Watch	SPC	Tishomingo	6 hr
Jan 22, 2:15 PM CST	Tornado Watch	SPC	Adams, Amite, Attala, Carroll, Choctaw, Claiborne and 45 more	6 hr
Jan 22, 3:00 PM CST	Tornado Watch	SPC	George, Hancock, Harrison, Jackson, Pearl River, Stone	6 hr
Jan 21, 10:00 PM CST	Tornado Watch	SPC	Bollinger, Butler, Cape Girardeau, Mississippi, Perry, Scott and 1 more	5 hr

Nearby

Tornado Watches in Arkansas, 1999 Tornado Watches in Mississippi, 1999 Tornado Watches in Tennessee, 1999 Every tornado watch in 1999

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.