Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 490, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jul 11, 1998, 6:53 PM CDT for Chicot County, Arkansas; Washington County, Mississippi. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 11, 1998, 6:53 PM CDT (23:53 UTC)
- Expired
- Jul 11, 1998, 7:25 PM CDT
- In force
- 32 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Chicot County, AR, Washington County, MS
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 11.9 hours before the alert went out and 144 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
- 565 J/kg
- Mixed-layer CIN
- -251 J/kg
- Mixed-layer LCL
- 1344 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 127 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
526 WUUS1 KJAN 112352 RRA SVRJAN ARC017-MSC151-120025- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 653 PM CDT SAT JUL 11 1998 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WASHINGTON COUNTY IN NORTHWESTERN MISSISSIPPI CHICOT COUNTY IN SOUTHEASTERN ARKANSAS * UNTIL 725 PM CDT * AT 652 PM CDT... RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES NORTH OF EUDORA MOVING SOUTHEAST AT 25 MPH. * THE FOLLOWING LOCATION IS IN THE PATH OF THIS STORM... EUDORA BY 720 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 11, 5:45 PM CDT | Severe Thunderstorm Warning | JAN | Ashley | 50 min |
| Jul 10, 7:48 PM CDT | Severe Thunderstorm Warning | JAN | Madison, Rankin | 32 min |
| Jul 10, 7:53 PM CDT | Severe Thunderstorm Warning | JAN | Sharkey | 32 min |
| Jul 10, 10:10 PM CDT | Severe Thunderstorm Warning | JAN | Lincoln | 50 min |
| Jul 11, 2:18 PM CDT | Severe Thunderstorm Warning | JAN | Madison | 32 min |
| Jul 11, 2:47 PM CDT | Severe Thunderstorm Warning | JAN | Leake | 33 min |
| Jul 11, 3:37 PM CDT | Severe Thunderstorm Warning | JAN | Simpson | 33 min |
| Jul 11, 3:56 PM CDT | Severe Thunderstorm Warning | JAN | Covington, Jefferson Davis | 34 min |
| Jul 11, 4:02 PM CDT | Severe Thunderstorm Warning | JAN | Warren | 33 min |
| Jul 11, 4:27 PM CDT | Severe Thunderstorm Warning | JAN | Jasper | 33 min |
| Jul 11, 4:45 PM CDT | Severe Thunderstorm Warning | JAN | Hinds | 35 min |
| Jul 11, 5:12 PM CDT | Severe Thunderstorm Warning | JAN | Copiah | 48 min |
| Jul 11, 6:29 PM CDT | Severe Thunderstorm Warning | JAN | Copiah, Jefferson, Lincoln | 36 min |
| Jul 11, 6:57 PM CDT | Severe Thunderstorm Warning | JAN | Franklin | 33 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 1998Severe Thunderstorm Warnings in Mississippi, 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; the sounding from the Mesonet's radiosonde archive.