Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 2, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jan 17, 1990, 9:20 PM CST for Scott County, Mississippi. It was in force for 25 min.
The area
The counties it named.
The facts
- Issued
- Jan 17, 1990, 9:20 PM CST (03:20 UTC)
- Expired
- Jan 17, 1990, 9:45 PM CST
- In force
- 25 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Scott 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 00:00Z, 3.3 hours before the alert went out and 52 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KJAN 180321
SVRJAN
MSC123-180345-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
920 PM CST WED JAN 17 1990
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 945 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN CENTRAL MISSISSIPPI
...SCOTT
AT 915 PM CST...RADAR INDICATED A VERY STRONG THUNDERSTORM NEAR MORTON
MOVING EAST AT 30 MPH. THIS IS THE SAME STORM WHICH PRODUCED WIND
GUSTS OF 60 MPH AS IT MOVED THROUGH THE JACKSON AREA...AND IT HAS
REINTENSIFED DURING THE PAST FEW MINUTES. THE STORM IS ALSO LIKELY TO
PRODUCE HAIL AND HEAVY RAIN.
SEVERE THUNDERSTORMS PRODUCE WIND IN EXCESSo OF 55 MPH...LARGE
HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
<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, Jan 17, 5:42 PM CST, 3 hours 38 minutes before
MSZ002-003-180100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 540 PM CST WED JAN 17 1990 ...STRONG THUNDERSTORMS MOVING INTO THE DELTA OF MISSISSIPPI... ANOTHER LINE OF STRONG THUNDERSTORMS WERE SITUATED OVER SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA AT 540 PM. THESE THUNDERSTORMS WILL BE MOVING INTO BOLIVAR..WASHINGTON...ISSAQUENA AND SHARKEY COUNTIES DURING THE NEXT HOUR. RESIDENTS IN THESE COUNTIES SHOULD BE ON THE ALERT FOR PERIODS OF HEAVY RAINFALL...GUSTY SHIFTING WINDS...DANGEROUS LIGHTNING AND POSSIBLE SMALL HAIL.
Special weather statement, Jan 17, 8:10 PM CST, 1 hour 10 minutes before
MSZ008-180330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 810 PM CST WED JAN 17 1990 ...STRONG THUNDERSTORMS MOVING INTO CENTRAL MISSISSIPPI... A LINE OF STRONG THUNDERSTORMS WAS SITUATED FROM NEAR WINONA TO JUST EAST OF VICKSBURG AT 810 PM. SMALL HAIL WAS REPORTED WITH THESE THUNDERSTORMS AS THEY MOVED THROUGH THE VICKSBURG AND BOLTON AREAS. ALSO WIND GUSTS OF 30 MPH AND VERY HEAVY RAIN WERE OBSERVED. RESIDENTS OF THE JACKSON METRO AREA CAN EXPECT PERIODS OF HEAVY RAIN...GUSTY SHIFTING WINDS...DANGEROUS LIGHTNING AND POSSIBLE SMALL HAIL DURING THE NEXT HOUR.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 17, 8:34 PM CST | Severe Thunderstorm Warning | JAN | Rankin | 36 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1990Every severe thunderstorm warning in 1990
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.