Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 1, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jan 17, 1990, 8:34 PM CST for Rankin County, Mississippi. It was in force for 36 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
- Jan 17, 1990, 8:34 PM CST (02:34 UTC)
- Expired
- Jan 17, 1990, 9:10 PM CST
- In force
- 36 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Rankin County, MS
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 17, 9:00 PM CST | Hail 1.75 | Rankin, MS |
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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 2.6 hours before the alert went out and 14 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 180237 RRA
SVRJAN
MSC121-180300-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
834 PM CST WED JAN 17 1990
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 910 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN CENTRAL MISSISSIPPI
...RANKIN
A SEVERE THUNDERSTORM WAS MOVING THROUGH WESTERN RANKIN COUNTY. WIND GUSAT 830 PM WITH THE PASSAGE OF THIS SEVERE THUNDERSTORM. ALSO VERY
HEAVY RAIN AND FREQUENT LIGHTNING WAS OBSERVED.
SEVERE THUNDERSTORMS PRODUCE WIND IN EXCESS OF 55 MPH...LARGE
HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YEOUR 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, 2:41 PM CST, 5 hours 53 minutes before
MSZ002-172200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 240 PM CST WED JAN 17 1990 ...STRONG THUNDERSTORMS MOVING INTO THE DELTA OF MISSISSIPPI... RADAR AND SATELLITE OBSERVATIONS ARE SHOWING THAT STRONG THUNDER- STORMS WILL BE MOVING INTO BOLIVAR...SUNFLOWER AND WASHINGTON COUNTIES WITHIN THE NEXT HOUR. AS THESE STORMS MOVED THROUGH ARKANSAS...THEY PRODUCED WIND GUSTS OF 30 TO 40 MPH...VERY HEAVY RAIN AND PEA TO MARBLE SIZE HAIL. THESE THUNDERSTORMS ARE MOVING EAST AT NEARLY 30 MPH AND ALL INTERESTS IN THE DELTA SHOULD BE ON THE ALERT FOR GUSTY WINDS...HEAVY RAIN AND SMALL HAIL.
Special weather statement, Jan 17, 5:42 PM CST, 2 hours 52 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, 24 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, 9:20 PM CST | Severe Thunderstorm Warning | JAN | Scott | 25 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.