Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 467, NWS Jackson, MS

July 10, 1998Simpson County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jul 10, 1998, 5:22 PM CDT for Simpson County, Mississippi. It was in force for 33 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 10, 1998, 5:22 PM CDT (22:22 UTC)
Expired: Jul 10, 1998, 5:55 PM CDT
In force: 33 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Simpson County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.4 hours before the alert went out and 48 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: 1798 J/kg
Mixed-layer CIN: -94 J/kg
Mixed-layer LCL: 871 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 120 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Jul 10, 2:30 PM CDT, 2 hours 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
230 PM CDT FRI JUL 10 1998

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

0345 PM    STARKVILLE                MS   WIND DAMAGE
07/09/98   OKTIBBEHA                      MSU STUDENTS REPORT TREES
                                          DOWN ACROSS HWY 82.

0430 PM    GRENADA                   MS   WIND DAMAGE
07/09/98   GRENADA                        EOC REPORTS ROOF BLOWN OFF
                                          SHED AT A LUMBER COMPANY
                                          AND CARS MOVED AROUND AT A
                                          DEALERSHIP.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 7:09 PM CDT	Severe Thunderstorm Warning	JAN	Leake	36 min
Jul 9, 7:19 PM CDT	Severe Thunderstorm Warning	JAN	Jasper	31 min
Jul 9, 7:28 PM CDT	Severe Thunderstorm Warning	JAN	Holmes	32 min
Jul 9, 8:01 PM CDT	Severe Thunderstorm Warning	JAN	Madison, Yazoo	49 min
Jul 9, 9:23 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Rankin	32 min
Jul 9, 9:59 PM CDT	Severe Thunderstorm Warning	JAN	Simpson	46 min
Jul 10, 5:25 PM CDT	Severe Thunderstorm Warning	JAN	Forrest	50 min
Jul 10, 5:46 PM CDT	Severe Thunderstorm Warning	JAN	Scott	34 min
Jul 10, 5:51 PM CDT	Severe Thunderstorm Warning	JAN	Leake	34 min
Jul 10, 5:54 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar	36 min
Jul 10, 6:00 PM CDT	Severe Thunderstorm Warning	JAN	Simpson	45 min
Jul 10, 6:13 PM CDT	Severe Thunderstorm Warning	JAN	Carroll, Leflore	32 min
Jul 10, 6:31 PM CDT	Severe Thunderstorm Warning	JAN	Smith	34 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.