Alert archive / Arkansas / Tornado Warnings in 1999
Tornado Warning 20, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Jan 21, 1999, 7:16 PM CST for Ashley County, Chicot County, Arkansas. It was in force for 49 min. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jan 21, 1999, 7:16 PM CST (01:16 UTC)
- Expired
- Jan 21, 1999, 8:05 PM CST
- In force
- 49 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Ashley County, AR, Chicot County, AR
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 21, 7:24 PM CST | Tornado F1 | Wilmot, AR | This tornado was a continuation of a tornado that touched down in Morehouse Parish Louisiana and continued into Chicot County Arkansas. There was minor damage to mainly trees and power lines. |
| Jan 21, 7:39 PM CST | Tornado F1 | Empire, AR | This tornado moved out of Ashley and into to Chicot County and caused minor damage to trees and power lines. |
| Jan 21, 7:55 PM CST | Hail 1.75 | Lake Vlg, AR | Golf ball size hail damaged roofs of houses and damaged automobiles. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 21, 2:30 PM CST | Tornado Watch | SPC | 7 hr |
| Jan 21, 4:30 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 1.3 hours before the alert went out and 169 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.
- Mixed-layer CAPE
- 957 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1350 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 263 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KJAN 220116 RRA TORJAN ARC003-017-220205- BULLETIN- EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE JACKSON MS 716 PM CST THU JAN 21 1999 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A * TORNADO WARNING FOR... EASTERN ASHLEY COUNTY IN SOUTHEASTERN ARKANSAS CHICOT COUNTY IN SOUTHEASTERN ARKANSAS * UNTIL 805 PM CST * AT 713 PM CST... RADAR DETECTED A TORNADO 21 MILES WEST SOUTHWEST OF EUDORA OR 5 MILES SOUTHWEST OF WILMOT... MOVING NORTHEAST AT 45 MPH. * SOME LOCATIONS IN THE PATH OF THIS DANGEROUS STORM INCLUDE... WILMOT AT 715 PM CST PARKDALE AT 725 PM CST PORTLAND AT 735 PM CST MONTROSE AT 740 PM CST LAKE VILLAGE AT 750 PM CST DEWEY AT 800 PM CST IF YOU: ARE IN A MULTIPLE STORY BUILDING...GO TO A SMALL INTERIOR ROOM AWAY FROM WINDOWS. 67
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 21, 8:06 PM CST | Tornado Warning | JAN | Chicot | 49 min |
| Jan 21, 9:40 PM CST | Severe Thunderstorm Warning | JAN | Chicot | 35 min |
| Jan 22, 7:20 AM CST | Severe Thunderstorm Warning | JAN | Ashley | 50 min |
| Jan 22, 7:53 AM CST | Tornado Warning | JAN | Chicot | 62 min |
Nearby
Tornado Warnings in Arkansas, 1999Every tornado warning in 1999Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.