Alert archive / Mississippi / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 223, NWS Jackson, MS

July 1, 2002Madison County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jul 1, 2002, 11:05 PM CDT for Madison County, Mississippi. It was in force for 40 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, 2002, 11:05 PM CDT (04:05 UTC)
Expired: Jul 1, 2002, 11:45 PM CDT
In force: 40 min
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

County Madison County, MS

What was reported inside it

Time	Report	Where	Remark
Jul 1, 11:30 PM CDT	Thunderstorm Wind	Madison, MS	Several large limbs were blown down in the Northbay Subdivision.

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 00:00Z, 4.1 hours before the alert went out and 35 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: 2836 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1136 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -18 m²/s²
0-3 km storm-relative helicity: -35 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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.

NWS Jackson, MS wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 1, 9:55 PM CDT, 1 hour 10 minutes earlier.

Area forecast discussion, Jul 1, 9:55 PM CDT, 1 hour 10 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON MS
955 PM CDT MON JUL 1 2002

ON SATELLITE UPPER SHEAR AXIS IS KEEPING CONVECTION GOING FOR THE
CENTRAL AND SOUTH. SO HAVE INCREASE POPS SOME AND WORDED MAINLY
BEFORE MIDNIGHT. WILL UPDATE BEFORE MIDNIGHT...WHEN ACTIVITY GRADUALLY
DISSIPATES.

.JAN...
AR...NONE.
LA...NONE.
MS...NONE.

17

In the hours before

Local storm report, Jul 1, 6:11 PM CDT, 4 hours 54 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
611 PM CDT MON JUL 01 2002

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

0535 PM    3NW LUMBERTON             MS   WIND DAMAGE
07/01/02   LAMAR                          LAMAR DISPATCH REPORTED
                                          TREES DOWN 3 NORTHWEST OF
                                          LUMBERTON ALONG HIGHWAY
                                          13.

Local storm report, Jul 1, 9:13 PM CDT, 1 hour 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
913 PM CDT MON JUL 01 2002

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

0830 PM                              MS   WIND DAMAGE
07/01/02   JONES                          E.O.C REPORTED SEVERAL
                                          TREES DOWN THROUGHOUT
                                          COUNTY FROM 810 PM TO 845
                                          PM.

Special weather statement, Jul 1, 10:10 PM CDT, 55 minutes before

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
021200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1010 PM CDT MON JUL 01 2002

...THUNDERSTORMS...
SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE FOR
SOUTHEAST  ARKANSAS...NORTHEAST LOUISIANA AND MUCH OF
MISSISSIPPI...MAINLY BEFORE MIDNIGHT. ISOLATED SEVERE
THUNDERSTORMS WILL BE POSSIBLE MAINLY BEFORE MIDNIGHT GENERALLY
ALONG INTERSTATE 20. WITH THE STRONGER STORMS GUSTY WINDS TO 60
MILES AN HOUR...DIME SIZE HAIL...FREQUENT LIGHTNING...AND BRIEF
HEAVY RAINS CAN BE EXPECTED.

INSTABILITY AND AN UPPER LEVEL DISTURBANCE WILL KEEP THE STORMS
GOING MAINLY BEFORE MIDNIGHT. THE THUNDERSTORM ACTIVITY WILL
GRADUALLY DISSIPATE BETWEEN MIDNIGHT AND 2 AM.

THE ACTIVATION OF STORM SPOTTERS SHOULD NOT BE NEEDED THROUGH
FOR THE REST OF THE NIGHT.

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.SRH.NOAA.GOV/JAN. THIS INCLUDES THE GRAPHICAL HAZARDOUS
WEATHER OUTLOOK.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 8:14 PM CDT	Severe Thunderstorm Warning	JAN	Jones	41 min
Jul 1, 8:33 PM CDT	Severe Thunderstorm Warning	JAN	Jasper	32 min
Jul 1, 9:06 PM CDT	Severe Thunderstorm Warning	JAN	Simpson	29 min
Jul 1, 9:22 PM CDT	Severe Thunderstorm Warning	JAN	Jasper	28 min
Jul 1, 10:20 PM CDT	Severe Thunderstorm Warning	JAN	Rankin	40 min
Jul 1, 11:08 PM CDT	Severe Thunderstorm Warning	JAN	Madison	37 min
Jul 2, 5:34 PM CDT	Severe Thunderstorm Warning	JAN	Lowndes	46 min
Jul 2, 5:49 PM CDT	Severe Thunderstorm Warning	JAN	Clay	31 min
Jul 2, 6:34 PM CDT	Severe Thunderstorm Warning	JAN	Noxubee	46 min
Jul 2, 6:54 PM CDT	Severe Thunderstorm Warning	JAN	Oktibbeha	31 min
Jul 2, 1:35 PM CDT	Severe Thunderstorm Warning	JAN	Franklin	30 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2002 Every severe thunderstorm warning in 2002

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.