Alert archive / Arkansas / Tornado Watches in 1999

Tornado Watch 18

January 21, 199960 counties in Arkansas; Dunklin County, Pemiscot County, Missouri; Bowie County, Texas

The Storm Prediction Center issued this tornado watch at Jan 21, 1999, 2:30 PM CST for 60 counties in Arkansas; Dunklin County, Pemiscot County, Missouri; Bowie County, Texas. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: Jan 21, 1999, 2:30 PM CST (20:30 UTC)
Expired: Jan 21, 1999, 9:00 PM CST
In force: 7 hr
Issued by: the Storm Prediction Center

All 63 counties

Arkansas County, AR, Ashley County, AR, Baxter County, AR, Bradley County, AR, Calhoun 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, 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, Bowie County, TX

The radar

The Little Rock radar (KLZK), 55 km from the middle of the area, began a volume at 20:29 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

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

Issued	Product	Office	Counties	Lasted
Jan 21, 2:37 PM CST	Severe Thunderstorm Warning	LZK	Hot Spring	33 min
Jan 21, 2:40 PM CST	Tornado Warning	LZK	Pike	35 min
Jan 21, 2:44 PM CST	Severe Thunderstorm Warning	SHV	Lafayette	46 min
Jan 21, 2:50 PM CST	Severe Thunderstorm Warning	LZK	Faulkner, Pulaski	50 min
Jan 21, 3:01 PM CST	Tornado Warning	LZK	Garland, Montgomery	49 min
Jan 21, 3:01 PM CST	Tornado Warning	LZK	Clark	49 min
Jan 21, 3:09 PM CST	Severe Thunderstorm Warning	LZK	Hot Spring	36 min
Jan 21, 3:09 PM CST	Tornado Warning	SHV	Lafayette	46 min
Jan 21, 3:14 PM CST	Tornado Warning	SHV	Columbia	46 min
Jan 21, 3:15 PM CST	Severe Thunderstorm Warning	LZK	Cleveland	35 min
Jan 21, 3:22 PM CST	Severe Thunderstorm Warning	LZK	Saline	48 min
Jan 21, 3:24 PM CST	Severe Thunderstorm Warning	MEG	Phillips	41 min
Jan 21, 3:30 PM CST	Severe Thunderstorm Warning	SHV	Nevada	45 min
Jan 21, 3:32 PM CST	Severe Thunderstorm Warning	LZK	Lincoln	48 min
Jan 21, 3:35 PM CST	Tornado Warning	LZK	Saline	50 min
Jan 21, 3:39 PM CST	Tornado Warning	SHV	Miller	31 min
Jan 21, 3:40 PM CST	Tornado Warning	LZK	Faulkner, Pulaski	50 min
Jan 21, 3:45 PM CST	Severe Thunderstorm Warning	MEG	Lawrence	50 min
Jan 21, 3:49 PM CST	Tornado Warning	LZK	White	51 min
Jan 21, 3:50 PM CST	Severe Thunderstorm Warning	JAN	Ashley, Chicot	50 min
Jan 21, 3:58 PM CST	Severe Thunderstorm Warning	LZK	Ouachita	37 min
Jan 21, 4:00 PM CST	Severe Thunderstorm Warning	LZK	Pike	50 min
Jan 21, 4:06 PM CST	Severe Thunderstorm Warning	LZK	Garland	34 min
Jan 21, 4:06 PM CST	Severe Thunderstorm Warning	SHV	Hempstead	49 min
Jan 21, 4:07 PM CST	Severe Thunderstorm Warning	MEG	Greene, Randolph	48 min
Jan 21, 4:11 PM CST	Tornado Warning	LZK	Pulaski, Saline	49 min
Jan 21, 4:13 PM CST	Tornado Warning	LZK	Dallas, Ouachita	47 min
Jan 21, 4:15 PM CST	Severe Thunderstorm Warning	LZK	Cleburne	35 min
Jan 21, 4:20 PM CST	Tornado Warning	MEG	Greene, Lawrence	45 min
Jan 21, 4:24 PM CST	Tornado Warning	MEG	Clay	46 min
Jan 21, 4:25 PM CST	Severe Thunderstorm Warning	LZK	Clark, Hot Spring	50 min
Jan 21, 4:29 PM CST	Tornado Warning	LZK	Faulkner, White	51 min
Jan 21, 4:31 PM CST	Tornado Warning	LZK	Arkansas	49 min
Jan 21, 4:33 PM CST	Severe Thunderstorm Warning	MEG	Cross, Poinsett	47 min
Jan 21, 4:33 PM CST	Severe Thunderstorm Warning	SHV	Nevada	52 min
Jan 21, 4:35 PM CST	Severe Thunderstorm Warning	LZK	Garland	50 min
Jan 21, 4:40 PM CST	Tornado Warning	LZK	Grant	50 min
Jan 21, 4:43 PM CST	Tornado Warning	LZK	Independence, Jackson	47 min
Jan 21, 4:47 PM CST	Tornado Warning	LZK	Monroe	48 min
Jan 21, 4:51 PM CST	Severe Thunderstorm Warning	MEG	Craighead	49 min
Jan 21, 4:53 PM CST	Severe Thunderstorm Warning	SHV	Hempstead	47 min
Jan 21, 4:54 PM CST	Tornado Warning	MEG	Cross, Poinsett	46 min
Jan 21, 4:58 PM CST	Severe Thunderstorm Warning	LZK	Clark	52 min
Jan 21, 5:01 PM CST	Tornado Warning	LZK	Jefferson	49 min
Jan 21, 5:04 PM CST	Severe Thunderstorm Warning	MEG	Greene	51 min
Jan 21, 5:06 PM CST	Severe Thunderstorm Warning	LZK	Conway	34 min
Jan 21, 5:11 PM CST	Tornado Warning	MEG	Clay	19 min
Jan 21, 5:14 PM CST	Tornado Warning	MEG	Craighead	46 min
Jan 21, 5:15 PM CST	Tornado Warning	LZK	Faulkner, White	50 min
Jan 21, 5:17 PM CST	Severe Thunderstorm Warning	LZK	Van Buren	48 min
Jan 21, 5:19 PM CST	Severe Thunderstorm Warning	LZK	Hot Spring	51 min
Jan 21, 5:25 PM CST	Tornado Warning	MEG	Lee, St. Francis	50 min
Jan 21, 5:27 PM CST	Tornado Warning	LZK	Lonoke	48 min
Jan 21, 5:29 PM CST	Tornado Warning	LZK	Independence, Jackson	51 min
Jan 21, 5:35 PM CST	Tornado Warning	MEG	Lawrence	50 min
Jan 21, 5:37 PM CST	Tornado Warning	LZK	Hot Spring	48 min
Jan 21, 5:41 PM CST	Tornado Warning	MEG	Dunklin	34 min
Jan 21, 5:42 PM CST	Tornado Warning	MEG	Greene	48 min
Jan 21, 5:47 PM CST	Tornado Warning	MEG	Cross	48 min
Jan 21, 5:48 PM CST	Tornado Warning	LZK	Prairie	47 min
Jan 21, 5:52 PM CST	Severe Thunderstorm Warning	LZK	Clark	33 min
Jan 21, 5:52 PM CST	Tornado Warning	MEG	Randolph	48 min
Jan 21, 5:54 PM CST	Tornado Warning	LZK	Saline	51 min
Jan 21, 6:01 PM CST	Severe Thunderstorm Warning	LZK	Cleburne	34 min
Jan 21, 6:05 PM CST	Tornado Warning	LZK	Faulkner, White	50 min
Jan 21, 6:16 PM CST	Tornado Warning	MEG	St. Francis	34 min
Jan 21, 6:17 PM CST	Tornado Warning	LZK	Pulaski	48 min
Jan 21, 6:20 PM CST	Severe Thunderstorm Warning	LZK	Grant, Hot Spring	50 min
Jan 21, 6:23 PM CST	Tornado Warning	LZK	Independence, Jackson	47 min
Jan 21, 6:31 PM CST	Severe Thunderstorm Warning	MEG	Poinsett	49 min
Jan 21, 6:32 PM CST	Tornado Warning	LZK	Grant	48 min
Jan 21, 6:34 PM CST	Severe Thunderstorm Warning	MEG	Lawrence	61 min
Jan 21, 6:35 PM CST	Tornado Warning	LZK	Prairie, Woodruff	50 min
Jan 21, 6:37 PM CST	Tornado Warning	MEG	Crittenden	48 min
Jan 21, 6:41 PM CST	Severe Thunderstorm Warning	LZK	Cleburne	49 min
Jan 21, 6:42 PM CST	Tornado Warning	LZK	Saline	33 min
Jan 21, 6:45 PM CST	Tornado Warning	MEG	Clay	50 min
Jan 21, 6:46 PM CST	Severe Thunderstorm Warning	LZK	Clark, Pike	49 min
Jan 21, 6:46 PM CST	Severe Thunderstorm Warning	LZK	Hot Spring	49 min
Jan 21, 6:49 PM CST	Tornado Warning	MEG	Mississippi	46 min
Jan 21, 6:52 PM CST	Tornado Warning	LZK	Lonoke	48 min
Jan 21, 6:54 PM CST	Tornado Warning	LZK	Cleburne, White	51 min
Jan 21, 7:00 PM CST	Tornado Warning	MEG	Lawrence, Randolph	50 min
Jan 21, 7:04 PM CST	Tornado Warning	LZK	Pulaski	31 min
Jan 21, 7:11 PM CST	Severe Thunderstorm Warning	LZK	Garland	49 min
Jan 21, 7:13 PM CST	Tornado Warning	LZK	Independence, Jackson	47 min
Jan 21, 7:16 PM CST	Tornado Warning	JAN	Ashley, Chicot	49 min
Jan 21, 7:18 PM CST	Severe Thunderstorm Warning	LZK	Saline	32 min
Jan 21, 7:18 PM CST	Tornado Warning	MEG	Dunklin, Pemiscot	47 min
Jan 21, 7:29 PM CST	Tornado Warning	MEG	Clay	46 min
Jan 21, 7:32 PM CST	Tornado Warning	MEG	Craighead, Poinsett	48 min
Jan 21, 7:33 PM CST	Flash Flood Warning	LZK	Garland, Hot Spring, Saline	3 hr
Jan 21, 7:33 PM CST	Flash Flood Warning	LZK	Clark	3 hr
Jan 21, 7:33 PM CST	Flash Flood Warning	LZK	Cleburne, Faulkner, Independence, White	3 hr
Jan 21, 7:33 PM CST	Flash Flood Warning	LZK	Pulaski	3 hr
Jan 21, 7:37 PM CST	Severe Thunderstorm Warning	LZK	Lonoke, Pulaski	48 min
Jan 21, 7:40 PM CST	Severe Thunderstorm Warning	LZK	Pike	50 min
Jan 21, 7:41 PM CST	Tornado Warning	LZK	White	49 min
Jan 21, 7:53 PM CST	Tornado Warning	MEG	Greene	47 min
Jan 21, 8:04 PM CST	Severe Thunderstorm Warning	LZK	Clark	51 min
Jan 21, 8:05 PM CST	Severe Thunderstorm Warning	SHV	Hempstead	45 min
Jan 21, 8:07 PM CST	Tornado Warning	LZK	Independence, Jackson	48 min
Jan 21, 8:07 PM CST	Severe Thunderstorm Warning	MEG	Lee	48 min
Jan 21, 8:08 PM CST	Tornado Warning	LZK	Monroe	47 min
Jan 21, 8:16 PM CST	Severe Thunderstorm Warning	LZK	Garland, Hot Spring, Saline	49 min
Jan 21, 8:21 PM CST	Flash Flood Warning	MEG	Lawrence, Randolph	119 min
Jan 21, 8:23 PM CST	Tornado Warning	LZK	White	52 min
Jan 21, 8:26 PM CST	Severe Thunderstorm Warning	LZK	Clark, Pike	49 min
Jan 21, 8:27 PM CST	Tornado Warning	MEG	Clay	48 min
Jan 21, 8:27 PM CST	Tornado Warning	SHV	Hempstead	33 min
Jan 21, 8:32 PM CST	Tornado Warning	MEG	St. Francis	48 min
Jan 21, 8:36 PM CST	Severe Thunderstorm Warning	LZK	Pulaski	49 min
Jan 21, 8:43 PM CST	Tornado Warning	MEG	Craighead, Greene, Lawrence	47 min
Jan 21, 8:47 PM CST	Tornado Warning	MEG	Cross	48 min
Jan 21, 8:51 PM CST	Tornado Warning	LZK	Jackson	34 min
Jan 21, 8:53 PM CST	Tornado Warning	MEG	Dunklin	47 min
Jan 21, 8:58 PM CST	Tornado Warning	MEG	Crittenden	47 min

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 8.5 hours before the alert went out and 243 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: 941 J/kg
Mixed-layer CIN: -169 J/kg
Mixed-layer LCL: 740 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 289 m²/s²
0-3 km storm-relative helicity: 350 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.5

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 21, 4:30 PM CST	Tornado Watch	SPC	Chicot	6 hr
Jan 21, 5:00 PM CST	Tornado Watch	SPC	Benton, Boone, Carroll, Crawford, Franklin, Howard and 12 more	5 hr
Jan 21, 4:30 PM CST	Tornado Watch	SPC	Bollinger, Butler, Cape Girardeau, Carter, Crawford, Dent and 23 more	6 hr
Jan 21, 2:45 PM CST	Tornado Watch	SPC	Angelina, Harrison, Marion, Nacogdoches, Panola, Rusk and 4 more	6 hr

Nearby

Tornado Watches in Arkansas, 1999 Tornado Watches in Missouri, 1999 Tornado Watches in Texas, 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.