Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 71, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Mar 14, 1990, 11:31 PM CST for Claiborne County, Jefferson County, Mississippi. It was in force for 44 min.
The area
The counties it named.
The facts
- Issued
- Mar 14, 1990, 11:31 PM CST (05:31 UTC)
- Expired
- Mar 15, 1990, 12:15 AM CST
- In force
- 44 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Claiborne County, MS, Jefferson 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, 5.5 hours before the alert went out and 99 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
- 12 J/kg
- Mixed-layer CIN
- -231 J/kg
- Mixed-layer LCL
- 1277 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KJAN 150533 RRA SVRJAN MSC163-151-063-021-053-125-150615- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 1131 PM CST WED MAR 14 1990 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1215 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL MISSISSIPPI ...WESTERN YAZOO COUNTY IN NORTHWEST MISSISSIPPI ...SOUTHEASTERN WASHINGTON COUNTY IN SOUTHWEST MISSISSIPPI ...JEFFERSON COUNTY IN WEST CENTRAL MISSISSIPPI ...CLAIBORNE COUNTY...HUMPHREYS COUNTY...SHARKEY COUNTY AT 1130 RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM HOLANDALE TO JUST NORTH OF NATCHEZ MISSISSIPPI MOVING TO THE EAST AT 30 MPH. 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. <
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, Mar 14, 7:36 PM CST, 3 hours 55 minutes before
MSZALL-150300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 735 PM CST WED MAR 14 1990 ...VERY DANGEROUS WEATHER SITUATION APPROACHES... A DEEP LOW PRESSURE CENTER BETWEEN FAYETTEVILLE ARKANSAS...AND SPRINGFIELD MISSOURI...CONTINUES TO MOVE THUNDERSTORMS TOWARD OUR DELTA COUNTIES. THIS SYSTEM HAS THE POTENTIAL TO PRODUCE A SEVERE WEATHER OUTBREAK...LATER TONIGHT. A TORNADO WATCH CONTINUES IN EFFECT FOR MOST OF ARKANSAS AND LOUISIANA AT THIS TIME...AND WILL LIKELY BE EXTENDED EAST LATER THIS EVENING. A COLD FRONT EXTENDED FROM THE LOW PRESSURE AREA IN NORTWEST ARKANSAS...AND SOUTHWEST MISSOURI...AND EXTENDED SOUTH INTO EXTREME EASTERN TEXAS. STRONG SOUTHERLY WINDS AHEAD OF THE FRONT ARE PUMPING VERY MOIST AND UNSTABLE AIR FROM THE GULF OVER MISSISSIPPI. GUSTY WINDS BETWEEN 40 AND 50 MILES AN HOUR HAVE BEEN REPORTED ALONG AND EAST OF THE FRONT AT SOME LOCATIONS IN WEST LOUISIANA. SOME DELTA COUNTIES COULD GET STRONG THUNDERSTORMS BETWEEN 930 AND 10 PM THIS EVENING. THE GREATEST THREAT OF SEVERE WEATHER SHOULD BE IN THE NORTH AND CENTRAL COUNTIES...HOWEVER DEVELOPING THUNDERSTORMS WELL TO OUR SOUTHWEST IN LOUISIANA MAY MOVE INTO THE SOUTHERN COUTIES LATER TONIGHT.
Special weather statement, Mar 14, 9:13 PM CST, 2 hours 18 minutes before
MSZALL-150305- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 905 PM CST WED MAR 14 1990 ...TORNADO WATCH HAS BEEN ISSUED FOR MOST OF MISSISSIPPI... A DEEP LOW PRESSURE CENTER BETWEEN HARRISON, AR AND SPRINGFIELD, MO CONTINUED TO STRENGTHEN AND WILL SPREAD THUNDERSTORMS TOWARD THE STATE. A TORNADO WATCH IS IN EFFECT FOR MOST OF THE STATE EXCEPT THE EXTREME SOUTHEAST COUNTIES FROM 930PM UNTIL 3AM. AT 900PM...THE LEADING EDGE OF THE FIRST BAND OF THUNDERSTORMS STRETCHED FROM DUMAS, AR TO MONROE AND ALEXANDRIA, LA AND FARTHER SOUTH. THIS LINE CONTAINED VERY STRONG AND POSSIBLY SEVERE THUNDERSTORMS NEAR MONROE AS THE ENTIRE LINE MOVED EAST AT 25 MILES AN HOUR. STRONG SOUTHERLY WINDS AHEAD OF THE FRONT WERE GUSTING BETWEEN 40 AND 45 MILES AN HOUR OVER WESTERN MISSISSIPPI AHEAD OF THE STORMS. CURRENT INDICATIONS ARE THAT THIS LINE WILL CONTINUE TO INTENSIFY AS IT CROSSES THE MISSISSIPPI RIVER FROM BOLIVAR COUNTY SOUTHWARD BETWEEN 10 AND 1030PM. SOME WARNINGS WILL BE LIKELY AS THE STORMS CROSS THE RIVER IN THE NEXT FEW HOURS. STAY TUNED TO LOCAL MEDIA AND NOAA WEATHER RADIO FOR THE LATEST INFORMATION AND PLEASE TAKE PROTECTIVE ACTIONS IF WARNINGS &ARE ISSUED FOR YOUR AREA. THIS SITUATION IS POTENTIALLY VERY DEADLY AS STRONG TORNADOES ARE POSSIBLE.
Special weather statement, Mar 14, 9:38 PM CST, 1 hour 53 minutes before
MSZALL-150500- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 935 PM CST WED MAR 14 1990 ...TORNADO WATCH NUMBER 87 REMAINS IN EFFECT OF MOST OF MISSISSIPPI UNTIL 3 AM THURSDAY MORNING. AT 930 PM CST A LINE OF VERY STRONG THUNDERSTORMS WAS APPROACHING THE MISSISSIPPI RIVER FROM THE WEST. THE LINE EXTENDED FROM JUST EAST OF CROSSETT ARKANSAS TO JUST EAST OF MONROE LOUSIANA TO NORTH OF ALEXANDRIA LOUISIANA. THE LINE WAS MOVING TO THE EAST AT NEAR 30 MPH. THIS LINE CONTAINS SOME SEVERE THUNDERSTORMS THAT HAVE ALREADY PRODUCED DAMAGE OVER PORTIONS OF NORTHEAST LOUISINA. WINDS TO 60 MPH OR GREATER MAY ACCOMPANY SOME OF THE STRONGER STORMS. PEOPLE IN THE EXTREME WESTERN COUNTIES OF MISSISSIPPI...ESPECIALLY THOSE IMMEDIATELY ALONG THE MISSISSIPPI RIVER NEED TO MAKE PREPARATIONS FOR THE APPROACH OF SEVERE STORMS AND POSSIBLY EVEN TORNADOES WITHIN THE NEXT HOUR OR TWO. STAY TUNED TO LOCAL MEDIA ANDO NOAA WEATHER RADIO FOR THE LATEST INFORMATION AND PLEASE TAKE PROTECTIVE ACTIONS IF WARNINGS ARE ISSUED FOR YOUR AREA. THIS SITUATION IS POTENTIALLY VERY DEADLY AS STRONG TORNADOES ARE POSSIBLE.
Special weather statement, Mar 14, 11:21 PM CST, 10 minutes before
MSZ009-012-ALZ008-013-150700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 1120 PM CST WED MAR 14 1990 TORNADO WATCH NUMBER 87 CONTINUES IN EFFECT UNTIL 300 AM CST AND INCLUDES MOST OF MISSISSIPPI. AT 1115 PM CST RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM 10 MILES NORTHWEST OF ACKERMAN TO 15 MILES SOUTH OF FOREST. ANOTHER LINE OF VERY STRONG THUNDERSTORMS WAS JUST EAST OF THE MISSISSIPPI RIVER. BOTH LINES WERE MOVING EAST AT 25 MPH. EVERYONE SHOULD REMAIN WEATHER ALERT THROUGH THE NIGHT AS THIS IS A POTENTIALLY DANGEROUS WEATHER SITUATION.
Special weather statement, Mar 14, 11:24 PM CST, 7 minutes before
MSZALL-150500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 1125 PM CST WED MAR 14 1990 ...TORNADO WATCH NUMBER 87 REMAINS IN EFFECT OF MOST OF MISSISSIPPI UNTIL 3 AM THURSDAY MORNING. AT 1120 PM RADAR INDICATED A GUST FRONT HAD DEVELOPED AHEAD OF THE LINE OF THUNDERSTORMS OVER CENTRAL WARREN COUNTY AND SOUTHWEST YAZOO COUNTY. WIND GUSTS OF 40 TO 50 MPH ARE POSSIBLE AS THIS GUST FRONT MOVES TO THE EAST AT 30 MPH. PEOPLE IN WARREN AND YAZOO COUNTY SHOULD BE ON THE LOOK OUT FOR STRONG GUSTY WINDS FOR THE NEXT HOUR OR SO. NEXT HOUR OR TWO. STAY TUNED TO LOCAL MEDIA AND NOAA WEATHER RADIO FOR THE LATEST INFORMATION AND PLEASE TAKE PROTECTIVE ACTIONS IF WARNINGS ARE ISSUED FOR YOUR AREA. THIS SITUATION IS POTENTIALLY VERY DEADLY AS STRONG TORNADOES ARE POSSIBLE.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 14, 10:05 PM CST | Severe Thunderstorm Warning | JAN | Bolivar, Washington | 40 min |
| Mar 14, 10:48 PM CST | Severe Thunderstorm Warning | JAN | Bolivar, Sunflower, Washington | 42 min |
| Mar 14, 10:48 PM CST | Severe Thunderstorm Warning | JAN | Issaquena, Sharkey | 42 min |
| Mar 14, 11:31 PM CST | Severe Thunderstorm Warning | JAN | Humphreys, Sharkey, Washington, Yazoo | 44 min |
| Mar 15, 12:55 AM CST | Severe Thunderstorm Warning | JAN | Yalobusha | 35 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.