Alert archive / Arkansas / Tornado Watches in 1999

Tornado Watch 12

January 17, 19994 states

The Storm Prediction Center issued this tornado watch at Jan 17, 1999, 2:30 PM CST for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jan 17, 1999, 2:30 PM CST (20:30 UTC)
Expired: Jan 17, 1999, 8:00 PM CST
In force: 6 hr
Issued by: the Storm Prediction Center

All 53 counties

Arkansas County, AR, Clay County, AR, Cleveland County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Desha County, AR, Greene County, AR, Independence County, AR, Jackson County, AR, Jefferson County, AR, Lawrence County, AR, Lee County, AR, Lincoln County, AR, Lonoke County, AR, Mississippi County, AR, Monroe County, AR, Phillips County, AR, Poinsett County, AR, Prairie County, AR, Randolph County, AR, Sharp County, AR, St. Francis County, AR, White County, AR, Woodruff County, AR, Dunklin County, MO, Pemiscot County, MO, Benton County, MS, Bolivar County, MS, Calhoun County, MS, Coahoma County, MS, DeSoto County, MS, Lafayette County, MS, Marshall County, MS, Panola County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS, Yalobusha County, MS, Crockett County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Haywood County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN, Weakley County, TN

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jan 17, 2:45 PM CST	Severe Thunderstorm Warning	LZK	Independence, White	35 min
Jan 17, 2:49 PM CST	Tornado Warning	LZK	White	36 min
Jan 17, 2:54 PM CST	Severe Thunderstorm Warning	LZK	Sharp	31 min
Jan 17, 2:55 PM CST	Tornado Warning	LZK	Independence, Jackson	50 min
Jan 17, 2:57 PM CST	Severe Thunderstorm Warning	MEG	Lawrence	33 min
Jan 17, 3:10 PM CST	Tornado Warning	LZK	Independence, Jackson	50 min
Jan 17, 3:19 PM CST	Severe Thunderstorm Warning	LZK	White	61 min
Jan 17, 3:20 PM CST	Severe Thunderstorm Warning	MEG	Randolph	50 min
Jan 17, 3:26 PM CST	Tornado Warning	LZK	Jackson	64 min
Jan 17, 3:37 PM CST	Tornado Warning	MEG	Craighead, Poinsett	48 min
Jan 17, 3:53 PM CST	Tornado Warning	MEG	Randolph	32 min
Jan 17, 4:09 PM CST	Severe Thunderstorm Warning	LZK	Woodruff	36 min
Jan 17, 4:16 PM CST	Tornado Warning	LZK	Woodruff	34 min
Jan 17, 4:17 PM CST	Tornado Warning	MEG	Craighead, Poinsett	43 min
Jan 17, 4:19 PM CST	Tornado Warning	MEG	Greene	51 min
Jan 17, 4:35 PM CST	Tornado Warning	MEG	Cross	45 min
Jan 17, 4:48 PM CST	Severe Thunderstorm Warning	MEG	Dunklin	32 min
Jan 17, 4:51 PM CST	Tornado Warning	MEG	Mississippi	49 min
Jan 17, 5:04 PM CST	Tornado Warning	MEG	Crittenden	46 min
Jan 17, 5:13 PM CST	Severe Thunderstorm Warning	MEG	Pemiscot	47 min
Jan 17, 5:25 PM CST	Severe Thunderstorm Warning	MEG	Lauderdale, Tipton	45 min
Jan 17, 5:25 PM CST	Severe Thunderstorm Warning	MEG	Dyer, Lake	45 min
Jan 17, 5:30 PM CST	Severe Thunderstorm Warning	MEG	Shelby	45 min
Jan 17, 5:44 PM CST	Severe Thunderstorm Warning	MEG	Obion	46 min
Jan 17, 5:53 PM CST	Severe Thunderstorm Warning	MEG	Haywood	47 min
Jan 17, 5:53 PM CST	Severe Thunderstorm Warning	MEG	Crockett, Gibson	47 min
Jan 17, 6:01 PM CST	Severe Thunderstorm Warning	MEG	Fayette	64 min
Jan 17, 6:08 PM CST	Tornado Warning	MEG	Madison	47 min
Jan 17, 6:14 PM CST	Tornado Warning	MEG	Crockett, Gibson	36 min
Jan 17, 6:17 PM CST	Severe Thunderstorm Warning	MEG	Weakley	48 min
Jan 17, 6:28 PM CST	Severe Thunderstorm Warning	MEG	Hardeman	47 min
Jan 17, 6:33 PM CST	Tornado Warning	MEG	Fayette	37 min
Jan 17, 6:43 PM CST	Tornado Warning	MEG	Hardeman	47 min
Jan 17, 6:45 PM CST	Severe Thunderstorm Warning	MEG	Shelby	50 min
Jan 17, 7:38 PM CST	Flash Flood Warning	MEG	Hardeman, McNairy	3 hr
Jan 17, 7:38 PM CST	Flash Flood Warning	MEG	Fayette	3 hr
Jan 17, 7:53 PM CST	Severe Thunderstorm Warning	MEG	Alcorn, Benton, Tippah	47 min
Jan 17, 7:53 PM CST	Severe Thunderstorm Warning	MEG	Marshall	47 min

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 8.5 hours before the alert went out and 77 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: 23 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 502 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 331 m²/s²
0-3 km storm-relative helicity: 353 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.

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.