Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 362, NWS Jackson, MS

June 15, 1998Humphreys County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 15, 1998, 4:56 PM CDT for Humphreys County, Mississippi. It was in force for 34 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: Jun 15, 1998, 4:56 PM CDT (21:56 UTC)
Expired: Jun 15, 1998, 5:30 PM CDT
In force: 34 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Humphreys County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.9 hours before the alert went out and 99 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1196 J/kg
Mixed-layer CIN: -63 J/kg
Mixed-layer LCL: 786 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KJAN 152154 RRA
SVRJAN
MSC053-152230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
456 PM CDT MON JUN 15 1998

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HUMPHREYS COUNTY IN CENTRAL MISSISSIPPI

* UNTIL 530 PM CDT

* AT 455 PM CDT... RADAR INDICATED A DEVELOPING SEVERE THUNDERSTORM
  IN THE VICINITY OF BELZONI MOVING NORTHEAST AT 30 MPH.

* THE FOLLOWING LOCATION IS IN THE PATH OF THIS STORM...
  BELZONI                     BY 455 PM CDT

GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! A TORNADO
WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO
PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

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

Local storm report, Jun 15, 11:45 AM CDT, 5 hours 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1145 AM CDT MON JUN 15 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATION....

1200 AM    STEWART                   MS   WIND DAMAGE
06/15/98   MONTGOMERY                     TREES BLOWN DOWN. REPORTED
                                          BY MONTGOMERY SO.

1210 AM    6 E ETHEL                 MS   WIND DAMAGE
06/15/98   ATTALA                         TREES BLOWN DOWN. REPORTED
                                          BY THE PUBLIC.

Local storm report, Jun 15, 11:45 AM CDT, 5 hours 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1145 AM CDT MON JUN 15 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATION....

1200 AM    STEWART                   MS   WIND DAMAGE
06/15/98   MONTGOMERY                     TREES BLOWN DOWN. REPORTED
                                          BY MONTGOMERY SO.

1210 AM    6 E ETHEL                 MS   WIND DAMAGE
06/15/98   ATTALA                         TREES BLOWN DOWN. REPORTED
                                          BY THE PUBLIC.

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 14, 11:35 PM CDT	Severe Thunderstorm Warning	JAN	Montgomery	50 min
Jun 14, 11:46 PM CDT	Severe Thunderstorm Warning	JAN	Attala, Choctaw	64 min
Jun 15, 2:06 AM CDT	Severe Thunderstorm Warning	JAN	Hinds	34 min
Jun 15, 2:15 AM CDT	Severe Thunderstorm Warning	JAN	Rankin	50 min
Jun 15, 4:32 AM CDT	Severe Thunderstorm Warning	JAN	Lauderdale, Newton	33 min
Jun 15, 3:29 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena	51 min
Jun 15, 3:49 PM CDT	Severe Thunderstorm Warning	JAN	Sharkey	51 min
Jun 15, 4:10 PM CDT	Tornado Warning	JAN	Issaquena	35 min
Jun 15, 4:25 PM CDT	Tornado Warning	JAN	Yazoo	50 min
Jun 15, 4:54 PM CDT	Tornado Warning	JAN	Madison	36 min
Jun 15, 5:06 PM CDT	Severe Thunderstorm Warning	JAN	Holmes	49 min
Jun 15, 5:25 PM CDT	Severe Thunderstorm Warning	JAN	Carroll	35 min
Jun 15, 5:31 PM CDT	Tornado Warning	JAN	Madison	34 min
Jun 15, 5:34 PM CDT	Severe Thunderstorm Warning	JAN	Sharkey	36 min
Jun 15, 5:37 PM CDT	Tornado Warning	JAN	Rankin	48 min
Jun 15, 5:40 PM CDT	Severe Thunderstorm Warning	JAN	Leake	50 min
Jun 15, 5:45 PM CDT	Severe Thunderstorm Warning	JAN	Lauderdale	50 min
Jun 15, 5:49 PM CDT	Severe Thunderstorm Warning	JAN	Humphreys	51 min
Jun 15, 5:57 PM CDT	Tornado Warning	JAN	Scott	48 min
Jun 15, 6:00 PM CDT	Severe Thunderstorm Warning	JAN	Carroll, Montgomery	50 min
Jun 15, 6:07 PM CDT	Severe Thunderstorm Warning	JAN	Neshoba	33 min
Jun 15, 6:09 PM CDT	Severe Thunderstorm Warning	JAN	Sharkey	51 min
Jun 15, 6:12 PM CDT	Severe Thunderstorm Warning	JAN	Yazoo	48 min
Jun 15, 6:19 PM CDT	Severe Thunderstorm Warning	JAN	Kemper	51 min
Jun 15, 6:21 PM CDT	Severe Thunderstorm Warning	JAN	Newton	49 min
Jun 15, 6:23 PM CDT	Tornado Warning	JAN	Yazoo	32 min
Jun 15, 6:27 PM CDT	Severe Thunderstorm Warning	JAN	Grenada	33 min
Jun 15, 6:33 PM CDT	Severe Thunderstorm Warning	JAN	Holmes	47 min
Jun 15, 6:42 PM CDT	Severe Thunderstorm Warning	JAN	Humphreys	48 min
Jun 15, 6:46 PM CDT	Severe Thunderstorm Warning	JAN	Scott	34 min
Jun 15, 6:48 PM CDT	Tornado Warning	JAN	Lauderdale	47 min
Jun 15, 6:50 PM CDT	Severe Thunderstorm Warning	JAN	Carroll, Leflore	50 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1998 Every 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.