Alert archive / Mississippi / Tornado Warnings in 1990
Tornado Warning 25, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Feb 15, 1990, 6:24 PM CST for Leflore 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
- Feb 15, 1990, 6:24 PM CST (00:24 UTC)
- Expired
- Feb 15, 1990, 7:00 PM CST
- In force
- 36 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Leflore 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 |
|---|---|---|---|
| Feb 15, 6:35 PM CST | Hail 0.75 | Leflore, 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, 0.4 hours before the alert went out and 138 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
- 1079 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 686 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 4.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KJAN 160024
TORJAN
MSC083-160100-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
624 PM CST THU FEB 15 1990
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 700 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTH CENTRAL MISSISSIPPI
...LEFLORE
AT 625 PM CST...A TORNADO WAS INDICATED NORTHEAST OF INDIANOLA...OR
ABOUT 10 MILES NORTHWEST OF ITTA BENA. THIS STORM WAS MOVING
NORTHEAST AT 45 MILES AN HOUR TOWARDS SHELLMOUND AND SUNNYSIDE.
THIS IS A DANGEROUS STORM. MOVE QUICKLY TO UNDERGROUND SHELTER IF
AVAILABLE. OTHERWISE...GO TO AN INTERIOR ROOM ON THE LOWEST FLOOR.
AVOID WINDOWS. LEAVE CARS AND MOBI?LE HOMES FOR A STURDY BUILDING.
<What forecasters said that day
The local office's own words before this tornado 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 15, 5:14 PM CST, 1 hour 10 minutes before
MSZALL-160000- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 510 PM CST THU FEB 15 1990 ...TORNADO WATCH NUMBER 39 REMAINS IN EFFECT FOR PORTIONS OF CENTRAL AND SOUTHERN MISSISSIPPI UNTIL 1000 PM... ...TORNADO WATCH NUMBER 35 REMAINS IN EFFECT FOR PORTIONS OF WESTERN AND NORTHWESTERN MISSISSIPPI UNTIL 600 PM... AT 505 PM CST...A SOLID AREA OF RAIN AND STRONG THUNDERSTORMS CONTINUED OVER SOUTHWEST AND CENTRAL MISSISSIPPI. THE HEAVIEST STORM WAS LOCATED NEAR GEORGETOWN. ANOTHER STRONG STORM WAS INDICATED NEAR HERMANVILLE BUT WAS DECREASING IN INTENSITY. THE STRONG THUNDERSTORM IN THE JACKSON AREA HAD ALSO DECREASED IN INTENSITY. THE STORMS WERE MOVING NORTHEAST AT 45 MPH WHILE THE RAIN AREA WAS DRIFTING NORTH. A LINE OF STRONG THUNDERSTORMS CONTINUES ACROSS NORTHWEST MISSISSIPPI. THE STRONGEST STORM ALONG THE LINE IN MISSISSIPPI WAS NEAR DREW AND PARCHMAN. THE STORM NEAR PARCHMAN PRODUCED PEA TO MARBLE SIZE HAIL DURING THE PAST HALF HOUR. THE LINE OF STORMS IS MOVING EAST AROUND 20 MPH. ALTHOUGH THE GENERAL INTENSITY TREND OF THE STORMS HAS BEEN DECREASING.. THE STORMS ARE STILL PRODUCING HEAVY RAINS. PEOPLE DRIVING HOME FROM WORK SHOULD BE CAREFUL IF THEY ARE CAUGHT IN ONE OF THESE DOWNPOURS.
Local storm report, Feb 15, 5:21 PM CST, 1 hour 3 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
521 PM CST THU FEB 15 1990
LATE REPORT
NOON CST...TREE BLOWN DOWN NEAR SUQUALENA IN NORTHWEST LAUDERDALE
COUNTY.Special weather statement, Feb 15, 5:45 PM CST, 39 minutes before
MSZALL-160100- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 545 PM CST THU FEB 15 1990 ...TORNADO WATCH NUMBER 39 REMAINS IN EFFECT FOR PORTIONS OF CENTRAL AND SOUTHERN MISSISSIPPI UNTIL 1000 PM... ...TORNADO WATCH NUMBER 40 FOR NORTHERN MISSISSIPPI TILL MIDNIGHT... AT 540 PM CST...LARGE AREAS OF RAIN CONTINUED OVER CENTRAL AND NORTWEST MISSISSIPPI. THERE WERE SCATTERED EMBEDDED THUNDERSTORMS WITHIN THESE AREAS OF RAIN...AND THE STRONGEST STORM WAS MOVING ACROSS THE MISSISSIPPI RIVER 10 MILES SOUTH OF GREENVILLE. THERE HAVE BEEN NUMEROUS REPORTS OF FUNNEL CLOUDS FROM SOUTHERN SUN- FLOWER COUNTY ACROSS LEFLORE COUNTY SINCE 5 PM. THERE HAVE BEEN NO KNOWN CONFIRMED TORNADOES IN THIS AREA AT THIS TIME. MOVEMENT WAS NORTHEAST AT 45 MILES AN HOUR.
Special weather statement, Feb 15, 5:58 PM CST, 26 minutes before
MSZ009-012-ALZ008-013-160100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 600 PM CST THU FEB 15 1990 ...REVISED CREST FOR SOWASHEE CREEK IN MERIDIAN MISSSISSIPPI... AT 600 PM CST SOWASHEE CREEK WAS AT 15.9 FEET UP ONE FOOT DURING THE PAST HOUR. DUE TO ADDITIONAL HEAVY RAINS SINCE THE LAST CREST FORECAST SOWASHEE CREEK IS NOW FORECAST TO CREST BETWEEN 21 AND 22 FEET LATE TONIGHT OR EARLY TOMMOROW MORNING. MORE HEAVY RAINFALL IS EXPECTED LATER TONIGHT AND THIS COULD CAUSE THE CREEK TO CREST EVEN HIGHER. SOWASHEE CREEK CRESTED AT 21.54 FEET ON JAN. 18 1987.
Local storm report, Feb 15, 6:13 PM CST, 11 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
610 PM CST THU FEB 15 1990
LATE REPORT
310 PM CST...15 PECAN TREES DOWN AND AWNING BLOWEN OFF HOUSE 4 MILES
SOUTH OF MERIDIAN. LAU%DERDALE COUNTY.Special weather statement, Feb 15, 6:22 PM CST, 2 minutes before
MSZALL-160100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 615 PM CST THU FEB 15 1990 ...TORNADO WATCH NUMBER 39 REMAINS IN EFFECT FOR PORTIONS OF CENTRAL AND SOUTHERN MISSISSIPPI UNTIL 1000 PM... ...TORNADO WATCH NUMBER 40 FOR NORTHERN MISSISSIPPI TILL MIDNIGHT... AT 610 PM CST...LARGE AREAS OF RAIN CONTINUED OVER CENTRAL AND NORTHWEST MISSISSIPPI. THERE WERE SCATTERED EMBEDDED THUNDERSTORMS WITHIN THESE AREAS OF RAIN...AND THE STRONGEST STORM WAS MOVING ACROSS SUNFLOWER COUNTY APPROACHING RULEVILLE AND DODDSVILLE. THIS STORM HAS BEEN TORNADIC IN THE PAST...AND RADAR INDICATES IT MAY STILL BE TORNADIC. THERE HAVE BEEN NUMEROUS REPORTS OF FUNNEL CLOUDS FROM SOUTHERN SUN- FLOWER COUNTY ACROSS LEFLORE COUNTY SINCE 5 PM. THERE HAVE BEEN NO KNOWN CONFIRMED TORNADOES IN THIS AREA AT THIS TIME. NICKEL SIZE HAIL HAS BEEN REPORTED DURING THE PAST HALF HOUR IN STONEVILLE. THE INDIVIDUAL STORMS CONTINUE MOVING NORTHEAST AROUND 45 MPH...BUT THE LINE OF STORMS IN NORTHWEST MISSISSIPPI IS MOVING EAST AT 20 MPH. THE RAIN AREA OVER CENTRAL MISSISSIPPI HAS BEEN SHRINKING AND BECOMING LESS INTENSE. HOWEVER...THERE ARE STILL EMBEDDED THUNDERSTORMS IN THIS RAIN A<REA WHICH MAY PRODUCE LOCALLY HEAVY RAIN. THIS AREA IS MOVING NORTHEAST SLOWLY BUT IS DECREASING IN AREAL COVERAGE.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 6:05 PM CST | Tornado Warning | JAN | Sunflower, Washington | 25 min |
| Feb 15, 6:47 PM CST | Tornado Warning | JAN | Grenada, Tallahatchie | 28 min |
| Feb 15, 6:49 PM CST | Flash Flood Warning | JAN | Noxubee | 6 hr |
| Feb 15, 6:55 PM CST | Flash Flood Warning | JAN | Neshoba | 6 hr |
| Feb 15, 6:58 PM CST | Flash Flood Warning | JAN | Kemper | 6 hr |
| Feb 15, 7:11 PM CST | Tornado Warning | JAN | Yalobusha | 34 min |
| Feb 15, 7:14 PM CST | Severe Thunderstorm Warning | JAN | Issaquena | 31 min |
| Feb 15, 7:28 PM CST | Flash Flood Warning | JAN | Newton | 6 hr |
| Feb 15, 7:33 PM CST | Severe Thunderstorm Warning | JAN | Humphreys, Sharkey | 27 min |
| Feb 15, 8:02 PM CST | Severe Thunderstorm Warning | JAN | Leflore | 28 min |
| Feb 15, 8:40 PM CST | Flash Flood Warning | JAN | Lauderdale | 4 hr |
| Feb 15, 8:54 PM CST | Severe Thunderstorm Warning | JAN | Jones | 51 min |
| Feb 15, 10:04 PM CST | Severe Thunderstorm Warning | JAN | Clarke | 26 min |
| Feb 15, 10:12 PM CST | Severe Thunderstorm Warning | JAN | Jones | 48 min |
| Feb 15, 10:18 PM CST | Severe Thunderstorm Warning | JAN | Lauderdale | 27 min |
| Feb 15, 10:49 PM CST | Severe Thunderstorm Warning | JAN | Lauderdale | 26 min |
| Feb 15, 11:07 PM CST | Severe Thunderstorm Warning | JAN | Wayne | 53 min |
| Feb 16, 12:04 AM CST | Severe Thunderstorm Warning | JAN | Jasper | 26 min |
| Feb 16, 12:12 AM CST | Severe Thunderstorm Warning | JAN | Covington | 33 min |
| Feb 16, 12:14 AM CST | Severe Thunderstorm Warning | JAN | Jones | 31 min |
| Feb 16, 12:29 AM CST | Severe Thunderstorm Warning | JAN | Jefferson Davis | 31 min |
| Feb 16, 12:30 AM CST | Severe Thunderstorm Warning | JAN | Jasper | 45 min |
| Feb 16, 12:37 AM CST | Tornado Warning | JAN | Covington, Jefferson Davis | 13 min |
| Feb 16, 12:52 AM CST | Severe Thunderstorm Warning | JAN | Clarke | 53 min |
| Feb 16, 5:05 AM CST | Severe Thunderstorm Warning | JAN | Lamar, Marion | 25 min |
Nearby
Tornado Warnings in Mississippi, 1990Every tornado warning in 1990Tornadoes 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.