Alert archive / Mississippi / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 227, NWS Jackson, MS

November 15, 1989Lauderdale County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Nov 15, 1989, 4:16 PM CST for Lauderdale County, Mississippi. It was in force for 44 min.

The area

The counties it named.

The facts

Issued: Nov 15, 1989, 4:16 PM CST (22:16 UTC)
Expired: Nov 15, 1989, 5:00 PM CST
In force: 44 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Lauderdale County, MS

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.3 hours before the alert went out and 134 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: 1106 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 570 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 257 m²/s²
0-3 km storm-relative helicity: 244 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 6.6

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

Special weather statement, Nov 15, 1:23 PM CST, 2 hours 53 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
120 PM CST WED NOV 15 1989

TORNADO WATCH NUMBERS 750 AND 751 ARE IN EFFECT UNTIL 800 PM CST AND
INCLUDES ALL OF EAST CENTRAL MISSISSIPPI AND SUMTER COUNTY IN EXTREME
WEST CENTRAL ALABAMA.

AT 115 PM CST RADAR INDICATED VERY STRONG THUNDERSTROMS WERE DEVELOPING
RAPIDLY OVER CENTRAL MISSISSIPPI. THESE THUNDERSTORMS WERE MOVING EAST
AT 40 MPH.

THIS IS A VERY DANGEROUS WEATHER SITUATION AND EVERYONE IN EAST CENTRAL
MISSISSIPPI AND EXTREME WEST CENTRAL ALABAMA SHOULD REMAIN WEATHER ALERT
AND BE PREPARED TO TAKE QUICK ACTION IF CONDITIONS WARRANT. PLEASE MONITOR
LOCAL TELEVISION, RADIO AND NOAA WEATHER RADIO FOR POSSIBLE WARNINGS
AND FURTHER STATEMENTS.

Local storm report, Nov 15, 2:21 PM CST, 1 hour 55 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
225 PM CST WED NOV 15 1989

1:20 PM...DIME SIZE HAIL REPORTED AT LLOYD STAR IN LINCOLN COUNTY BY
       BROOKHAVEN MHP.
1:50 PM...DIME TO PING PONG `BALL SIZE HAIL REPORTED AT COLUMBIA IN
       MARION COUNTY BY MARION COUNTY C.D.

Special weather statement, Nov 15, 3:42 PM CST, 34 minutes before

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Special weather statement, Nov 15, 3:44 PM CST, 32 minutes before

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Local storm report, Nov 15, 4:03 PM CST, 13 minutes before

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Special weather statement, Nov 15, 4:05 PM CST, 11 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 15, 12:34 PM CST	Severe Thunderstorm Warning	JAN	Franklin	26 min
Nov 15, 12:58 PM CST	Severe Thunderstorm Warning	JAN	Lincoln	32 min
Nov 15, 1:04 PM CST	Severe Thunderstorm Warning	JAN	Issaquena, Warren	26 min
Nov 15, 1:10 PM CST	Severe Thunderstorm Warning	JAN	Webster	35 min
Nov 15, 1:32 PM CST	Severe Thunderstorm Warning	JAN	Yazoo	43 min
Nov 15, 1:48 PM CST	Severe Thunderstorm Warning	JAN	Lawrence	27 min
Nov 15, 1:59 PM CST	Severe Thunderstorm Warning	JAN	Warren	31 min
Nov 15, 3:09 PM CST	Severe Thunderstorm Warning	JAN	Neshoba	36 min
Nov 15, 3:11 PM CST	Severe Thunderstorm Warning	JAN	Jones	34 min
Nov 15, 3:16 PM CST	Severe Thunderstorm Warning	JAN	Newton	44 min
Nov 15, 3:20 PM CST	Tornado Warning	JAN	Neshoba	25 min
Nov 15, 3:22 PM CST	Tornado Warning	JAN	Kemper	53 min
Nov 15, 1:30 PM CST	Severe Thunderstorm Warning	JAN	Sumter	45 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1989 Every severe thunderstorm warning in 1989

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.