Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 321, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jun 5, 1998, 12:55 PM CDT for Leake County, Mississippi. It was in force for 50 min. 2 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
- Jun 5, 1998, 12:55 PM CDT (17:55 UTC)
- Expired
- Jun 5, 1998, 1:45 PM CDT
- In force
- 50 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Leake County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 5, 1:30 PM CDT | Thunderstorm Wind | Countywide, MS | Numerous trees were blown down across the county. Two cars were crushed by falling trees. |
| Jun 5, 1:40 PM CDT | Thunderstorm Wind | Countywide, MS | Numerous trees were blown down across the county. |
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 |
|---|---|---|---|
| Jun 5, 10:30 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 5.9 hours before the alert went out and 71 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
- 1507 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 646 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 490 m²/s²
- 0-3 km storm-relative helicity
- 567 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 16.5
The text
As transmitted, in the capitals the NWS used until 2016.
220 WUUS1 KJAN 051756 RRA SVRJAN MSC079-051845- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 1255 PM CDT FRI JUN 5 1998 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... LEAKE COUNTY IN CENTRAL MISSISSIPPI * UNTIL 145 PM CDT * AT 1254 PM CDT... RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS APPROACHING WEST LEAKE COUNTY. THE SEVERE THUNDERSTORMS WILL CROSS THE ENTIRE COUNTY BY 145 PM. DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS 64
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 5, 10:40 AM CDT, 2 hours 15 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-060400-
AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1040 AM CDT FRI JUN 5 1998
...STRONG TO SEVERE THUNDERSTORMS EXPECTED THIS AFTERNOON AND TONIGHT..
SCATTERED TO NUMEROUS THUNDERSTORMS WILL FORM ACROSS THE AREA THIS
AFTERNOON AHEAD OF A COLD FRONT MOVING SLOWLY SOUTHEASTWARD THROUGH
ARKANSAS. A FEW STRONG TO SEVERE THUNDERSTORMS ARE LIKELY AS AN UPPER
LEVEL DISTURBANCE INTERACTS WITH A VERY MOIST UNSTABLE AIRMASS DURING
THE HEAT OF THE DAY. THE PRIMARY THREAT OF SEVERE WEATHER WILL BE IN
THE FORM OF DAMAGING WINDS AND HAIL HOWEVER AN ISOLATED TORNADO IS ALSO
POSSIBLE. TORRENTIAL RAINS MAY ALSO CAUSE LOCALIZED TEMPORARY FLOODING.
A LARGE CLUSTER OF STORMS OVER NORTH LOUISIANA WILL BE DEVELOPING
EASTWARD INTO CENTRAL MISSISSIPPI ANYTIME AFTER ABOUT NOON.
ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY
MANAGEMENT PERS|ONNEL IS LIKELY THIS AFTERNOON AND INTO THE NIGHT.
FOR MORE WEATHER INFORMATION...PLEASE VISIT OUR INTERNET SITE AT:
HTTP://WWW.JANNWS.STATE.MS.US (IN LOWER CASE)Special weather statement, Jun 5, 10:40 AM CDT, 2 hours 15 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-060400-
AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1040 AM CDT FRI JUN 5 1998
...STRONG TO SEVERE THUNDERSTORMS EXPECTED THIS AFTERNOON AND TONIGHT..
SCATTERED TO NUMEROUS THUNDERSTORMS WILL FORM ACROSS THE AREA THIS
AFTERNOON AHEAD OF A COLD FRONT MOVING SLOWLY SOUTHEASTWARD THROUGH
ARKANSAS. A FEW STRONG TO SEVERE THUNDERSTORMS ARE LIKELY AS AN UPPER
LEVEL DISTURBANCE INTERACTS WITH A VERY MOIST UNSTABLE AIRMASS DURING
THE HEAT OF THE DAY. THE PRIMARY THREAT OF SEVERE WEATHER WILL BE IN
THE FORM OF DAMAGING WINDS AND HAIL HOWEVER AN ISOLATED TORNADO IS ALSO
POSSIBLE. TORRENTIAL RAINS MAY ALSO CAUSE LOCALIZED TEMPORARY FLOODING.
A LARGE CLUSTER OF STORMS OVER NORTH LOUISIANA WILL BE DEVELOPING
EASTWARD INTO CENTRAL MISSISSIPPI ANYTIME AFTER ABOUT NOON.
ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY
MANAGEMENT PERS|ONNEL IS LIKELY THIS AFTERNOON AND INTO THE NIGHT.
FOR MORE WEATHER INFORMATION...PLEASE VISIT OUR INTERNET SITE AT:
HTTP://WWW.JANNWS.STATE.MS.US (IN LOWER CASE)The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 2:10 AM CDT | Severe Thunderstorm Warning | JAN | Bolivar, Sunflower | 45 min |
| Jun 5, 2:24 AM CDT | Severe Thunderstorm Warning | JAN | Washington | 51 min |
| Jun 5, 2:52 AM CDT | Severe Thunderstorm Warning | JAN | Grenada, Leflore | 48 min |
| Jun 5, 3:00 AM CDT | Severe Thunderstorm Warning | JAN | Issaquena | 50 min |
| Jun 5, 3:00 AM CDT | Severe Thunderstorm Warning | JAN | Sharkey | 50 min |
| Jun 5, 11:31 AM CDT | Severe Thunderstorm Warning | JAN | Issaquena, Sharkey | 49 min |
| Jun 5, 11:40 AM CDT | Severe Thunderstorm Warning | JAN | Washington | 50 min |
| Jun 5, 11:49 AM CDT | Severe Thunderstorm Warning | JAN | Warren | 46 min |
| Jun 5, 11:55 AM CDT | Severe Thunderstorm Warning | JAN | Sunflower | 50 min |
| Jun 5, 12:03 PM CDT | Severe Thunderstorm Warning | JAN | Adams, Claiborne, Jefferson | 47 min |
| Jun 5, 12:05 PM CDT | Severe Thunderstorm Warning | JAN | Yazoo | 50 min |
| Jun 5, 12:08 PM CDT | Severe Thunderstorm Warning | JAN | Humphreys | 47 min |
| Jun 5, 12:12 PM CDT | Severe Thunderstorm Warning | JAN | Leflore | 48 min |
| Jun 5, 12:16 PM CDT | Severe Thunderstorm Warning | JAN | Hinds | 64 min |
| Jun 5, 12:17 PM CDT | Severe Thunderstorm Warning | JAN | Holmes | 48 min |
| Jun 5, 12:20 PM CDT | Severe Thunderstorm Warning | JAN | Madison | 50 min |
| Jun 5, 12:34 PM CDT | Tornado Warning | JAN | Holmes | 36 min |
| Jun 5, 12:43 PM CDT | Severe Thunderstorm Warning | JAN | Attala | 52 min |
| Jun 5, 12:46 PM CDT | Severe Thunderstorm Warning | JAN | Carroll | 49 min |
| Jun 5, 12:51 PM CDT | Severe Thunderstorm Warning | JAN | Rankin | 49 min |
| Jun 5, 12:53 PM CDT | Severe Thunderstorm Warning | JAN | Grenada | 47 min |
| Jun 5, 12:57 PM CDT | Severe Thunderstorm Warning | JAN | Montgomery | 48 min |
| Jun 5, 1:06 PM CDT | Severe Thunderstorm Warning | JAN | Scott | 49 min |
| Jun 5, 1:19 PM CDT | Severe Thunderstorm Warning | JAN | Choctaw, Winston | 46 min |
| Jun 5, 1:19 PM CDT | Severe Thunderstorm Warning | JAN | Webster | 46 min |
| Jun 5, 1:23 PM CDT | Severe Thunderstorm Warning | JAN | Neshoba | 47 min |
| Jun 5, 1:28 PM CDT | Severe Thunderstorm Warning | JAN | Smith | 47 min |
| Jun 5, 1:34 PM CDT | Severe Thunderstorm Warning | JAN | Oktibbeha | 46 min |
| Jun 5, 1:38 PM CDT | Severe Thunderstorm Warning | JAN | Newton | 47 min |
| Jun 5, 1:44 PM CDT | Severe Thunderstorm Warning | JAN | Kemper, Noxubee | 46 min |
| Jun 5, 1:58 PM CDT | Severe Thunderstorm Warning | JAN | Lauderdale | 47 min |
| Jun 5, 2:07 PM CDT | Severe Thunderstorm Warning | JAN | Jasper | 48 min |
| Jun 5, 2:28 PM CDT | Severe Thunderstorm Warning | JAN | Clarke | 47 min |
| Jun 5, 2:44 PM CDT | Severe Thunderstorm Warning | JAN | Lauderdale | 36 min |
Nearby
Severe 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.