Alert archive / Arkansas / Tornado Warnings in 1998
Tornado Warning 48, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at May 9, 1998, 8:07 PM CDT for Ashley County, Arkansas. It was in force for 33 min. 1 report 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
- May 9, 1998, 8:07 PM CDT (01:07 UTC)
- Expired
- May 9, 1998, 8:40 PM CDT
- In force
- 33 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Ashley County, AR
The radar
The Little Rock radar (KLZK), 189 km from the middle of the area, began a volume at 01:06 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 9, 8:36 PM CDT | Tornado F0 | Portland, AR | This tornado was sighted by spotters. It touched down briefly and did not produce any damage. |
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 |
|---|---|---|---|
| May 9, 6:00 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 1.1 hours before the alert went out and 185 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
- 3361 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 956 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 2.7
- Supercell composite
- 8.4
The text
As transmitted, in the capitals the NWS used until 2016.
888 WFUS1 KJAN 100106 RRA TORJAN ARC003-100140- BULLETIN- EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE JACKSON MS 807 PM CDT SAT MAY 9 1998 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A * TORNADO WARNING FOR... ASHLEY COUNTY IN SOUTHEASTERN ARKANSAS * UNTIL 840 PM CDT * AT 805 PM CDT... RADAR INDICATED A POSSIBLE TORNADO 7 MILES NORTHEAST OF CROSSETT OR 4 MILES WEST OF HAMBURG MOVING EAST AT 35 MPH. * THE FOLLOWING LOCATION IS IN THE PATH OF THIS DANGEROUS STORM... HAMBURG BY 810 PM CDT GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR 75
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 7:43 PM CDT | Severe Thunderstorm Warning | JAN | Ashley | 47 min |
| May 9, 8:33 PM CDT | Tornado Warning | JAN | Ashley, Chicot | 47 min |
Nearby
Tornado Warnings in Arkansas, 1998Every tornado warning in 1998Tornadoes in 1998
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; radar from the NEXRAD Level II archive.