Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 430, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jul 1, 1998, 2:40 PM CDT for Ashley County, Arkansas. It was in force for 35 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
- Jul 1, 1998, 2:40 PM CDT (19:40 UTC)
- Expired
- Jul 1, 1998, 3:15 PM CDT
- In force
- 35 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Ashley County, AR
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 1, 2:45 PM CDT | Thunderstorm Wind | Hamburg, AR | Several trees were blown down. |
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 nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 7.7 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
- 2507 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 759 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KJAN 011939 SVRJAN ARC003-012015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 240 PM CDT WED JUL 1 1998 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ASHLEY COUNTY IN SOUTHEASTERN ARKANSAS * UNTIL 315 PM CDT * AT 238 PM CDT... RADAR INDICATED A SEVERE THUNDERSTORM 24 MILES EAST OF CROSSETT OR 3 MILES NORTHWEST OF PORTLAND MOVING EAST AT 10 MPH. * SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE... MONTROSE BY 255 PM CDT PORTLAND BY 300 PM CDT DAMAGING WINDS AND HEAVY RAIN ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! 68
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 3:00 PM CDT | Severe Thunderstorm Warning | JAN | Chicot | 35 min |
| Jul 1, 3:32 PM CDT | Severe Thunderstorm Warning | JAN | Chicot | 33 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 1998Every severe thunderstorm warning 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.