Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 19, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Feb 9, 1990, 9:00 PM CST for Issaquena County, Sharkey County, Mississippi. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Feb 9, 1990, 9:00 PM CST (03:00 UTC)
- Expired
- Feb 9, 1990, 10:00 PM CST
- In force
- 60 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Issaquena County, MS, Sharkey 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, 3.0 hours before the alert went out and 94 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
- 984 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 784 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 212 m²/s²
- 0-3 km storm-relative helicity
- 275 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 6.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KJAN 100300
SVRJAN
MSC055-125-100400-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
900 PM CST FRI FEB 9 1990
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN WEST CENTRAL MISSISSIPPI
...ISSAQUENA...SHARKEY
A SEVERE THUNDERSTORM WAS LOCATED JUST NORTH OF LAKE PROVIDENCE
LOUISIANA AT 900 PM AND WILL MOVE INTO ISSAQUENA AND SHARKEY COUNTIES
WITHIN THE NEXT HOUR. THIS THUNDERSTORM PRODUCED DAMAGING WINDS AND
LARGE HAIL AS IT MOVED THROUGH NORTHEAST LOUISIANA WITHIN THE PAST HOUR.
A TORNADO WATCH IS ALSO IN EFFECT. REMEMBER SEVERE THUNDERSTORMS
CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN
CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
<
SEVERE THUNDERSTORMS PRODUCE WIND IN EXCESS OF 55 MPH...LARGE
HAIL...DEADLY LIGHTNING...AND VERYA 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, Feb 9, 4:07 PM CST, 4 hours 53 minutes before
MSZ001-002-004>006-092230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 400 PM CST FRI FEB 9 1990 TORNADO WATCH NUMBER 21 REMAINS IN EFFECT FOR NORTH MISSISSIPPI ALONG AND NORTH OF A LINE FROM GREENVILLE TO NEW ALBANY UNTIL 900 PM CDT THIS FRIDAY AFTERNOON AND EVENING. AT 355 PM A LINE OF THUNDERSTORMS...SOME SEVERE...EXTENDED ACROSS ARKANSAS FROM NEAR FORREST CITY IN EAST CENTRAL ARKANSAS TO THE SOUTH NEAR EL DORADO ARKANSAS. SOME OF THE STRONGER STORMS IN THIS LINE HAVE PRODUCED DAMAGING WINDS THIS AFTERNOON. THIS LINE OF THUNDERSTORMS IS MOVING TO THE EAST AT 25 MPH...AND WILL MOVE INTO THE MOIST AND UNSTABLE AIR OVER NORTHWEST MISSISSIPPI WITHIN THE NEXT SEVERAL HOURS. PERSONS IN THE TORNADO WATCH AREA IN NORTH MISSISSIPPI SHOULD REMAIN ON THE ALERT FOR THREATENING WEATHER THIS AFTERNOON AND EVENING.
Special weather statement, Feb 9, 5:15 PM CST, 3 hours 45 minutes before
MSZ001>002-004-005-006-100000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 515 PM CST FRI FEB 9 1990 TORNADO WATCH NUMBER 21 REMAINS IN EFFECT FOR NORTH MISSISSIPPI ALONG AND NORTH OF A LINE FROM GREENVILLE TO NEW ALBANY UNTIL 900 PM CDT THIS FRIDAY AFTERNOON AND EVENING. AT 500 PM A LINE OF THUNDERSTORMS EXTENDED FROM EXTREME NORTHWEST MISSISSIPPI TO SOUTHCENTRAL ARKANSAS. SOME OF THESE THUNDERSTORMS ARE QUITE STRONG AND HAVE PRODUCED DAMAGING WINDS AND LARGE HAIL EARLIER THIS AFTERNOON IN ARKANSAS. THIS LINE OF THUNDERSTORMS IS MOVING TO THE SOUTHEAST AT 20 MPH AND WILL CONTINUE MOVING THROUGH NORTH AND WEST MISSISSIPPI DURING THE NEXT SEVERAL HOURS. PERSONS IN THE TORNADO WATCH AREA IN NORTH MISSISSIPPI SHOULD REMAIN ON THE ALERT FOR THREATENING WEATHER THIS AFTERNOON AND EVENING.
Special weather statement, Feb 9, 7:17 PM CST, 1 hour 43 minutes before
MSZ009-012-ALZ008-013-100215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 715 PM CST FRI JAN 9 1990 ...TORNADO WATCH NUMBER 23 WHICH INCLUDES WINSTON...NOXUBEE... NESHOBA AND KEMPER COUNTIES IN EAST CENTRAL MISSISSIPPI IN EFFECT UNTIL MIDNIGHT. AT 715 PM CST MERIDIAN RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM NEAR TUPELO TO NEAR GREENVILLE MISSISSIPPI. THE LINE OF THUNDERSTORMS WAS MOVING SOUTHEAST AT 20 MPH. IF THE LINE OF THUNDERSTORMS CONTINUES ITS PRESENT MOVEMENT IT WILL ENTER THE NOTHERN PORTION OF EAST CENTRAL MISSISSIPPI WITHIN THE NEXT TWO TO THREE HOURS. ALL PERSONS IN AND CLOSE TO THE WATCH AREA SHOULD REMAIN VERY ALERT FOR THREATENING WEATHER AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. <<
Special weather statement, Feb 9, 8:32 PM CST, 28 minutes before
MSZ009-012-ALZ008-013-100320- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 830 PM CST FRI FEB 9 1990 ...TORNADO WATCH NUMBER 23 REMAINS IN EFFECT UNTIL MIDNIGHT... AT 830 PM CST MERIDIAN RADAR INDICATED A 10 MILE WIDE LINE OF THUNDERSTORMS EXTENDED FROM 10 MILES SOUTHWEST OF LOUISVILLE TO 10 MILES NORTHEAST OF COLUMBUS MISSISSIPPI. A LARGE AREA OF SCATTERED THUNDERSTORMS WAS INDICATED ALONG AND NORTH OF A LINE FROM TUPELO TO YAZOO CITY MISSISSIPPI. THE THUNDERSTORMS WERE MOVING TOWARD THE NORTHEAST AT 35 MPH. PERSONS IN AND CLOSE TO THE WATCH AREA SHOULD REMAIN ALERT FOR THREATENING WEATHER AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Feb 9, 8:48 PM CST, 12 minutes before
MSZALL-100235- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 830 PM CST FRI FEB 9 1990 ...TORNADO WATCH IN EFFECT FOR PORTIONS OF WESTERN AND NORTHERN MISSISSIPPI UNTIL MIDNIGHT... ...FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALONG AND NORTH A HATTIESBURG TO WAYNESBORO LINE FOR TONIGHT... AT 825 PM...A LINE OF STRONG THUNDERSTORMS EXTENDED ACROSS THE DELTA FROM GREENWOOD TO ROLLING FORK...WITH THE STRONGEST STORMS LOCATED NEAR HOLLANDALE AND NEAR ITTA BENA. THESE STORMS ARE PRODUCING VERY HEAVY RAINFALL ALONG WITH FREQUENT CLOUD TO GROUNG LIGHTNING...GUSTY WINDS AND POSSIBLE HAIL. THIS LINE WAS MOVING TO THE EAST SOUTHEAST AT 30 MILES AN HOUR...WHILE THE INDIVIDUAL THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MILES AN HOUR. IN ADDITION...MORE INTENSE THUNDERSTORMS WERE OCCURRING OVER NORTHEAST LOUISIANA...THESE STORMS HAVE ALREADY PRODUCED MARBLE TO ONE INCH SIZE HAIL AND STRONG GUSTY WINDS JUST NORTHEAST OF MONROE NEAR BASTROP. THESE THUNDERSTORMS ARE MOVING TO THE NORTHEAST AT 40 MILES AN HOUR AND SHOULD BE MOVING INTO MISSISSIPPI AROUND THE GREENVILLE AREA DURING THE NEXT HOUR. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT6 AND LISTEN FOR FURTHER STATEMENTS.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 9, 11:19 PM CST | Severe Thunderstorm Warning | JAN | Hinds, Rankin | 56 min |
| Feb 10, 12:05 AM CST | Severe Thunderstorm Warning | JAN | Winston | 25 min |
| Feb 10, 12:19 AM CST | Severe Thunderstorm Warning | JAN | Neshoba | 41 min |
| Feb 10, 12:25 AM CST | Severe Thunderstorm Warning | JAN | Newton | 50 min |
| Feb 10, 12:35 AM CST | Severe Thunderstorm Warning | JAN | Jasper | 40 min |
| Feb 10, 12:44 AM CST | Severe Thunderstorm Warning | JAN | Kemper | 46 min |
| Feb 10, 12:49 AM CST | Severe Thunderstorm Warning | JAN | Lauderdale | 41 min |
| Feb 10, 1:05 AM CST | Severe Thunderstorm Warning | JAN | Clarke | 40 min |
| Feb 10, 1:07 AM CST | Severe Thunderstorm Warning | JAN | Jones | 53 min |
| Feb 10, 1:32 AM CST | Severe Thunderstorm Warning | JAN | Wayne | 43 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.