Alert archive / Mississippi / Flash Flood Warnings in 1990
Flash Flood Warning 10, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Feb 15, 1990, 2:45 PM CST for Smith County, Mississippi. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Feb 15, 1990, 2:45 PM CST (20:45 UTC)
- Expired
- Feb 15, 1990, 5:45 PM CST
- In force
- 3 hr
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Smith 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 12:00Z, 8.8 hours before the alert went out and 64 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
- 1189 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 728 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 157 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KJAN 152046
FFWJAN
MSC127-129-031-065-077-152345-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
245 PM CST THU FEB 15 1990
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 545 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN CENTRAL MISSISSIPPI
...SIMPSON...SMITH
IN SOUTH CENTRAL MISSISSIPPI
...COVINGTON...JEFFERSON.DAVIS...LAWRENCE
SEVERAL THUNDERSTORMS HAVE MOVED ACROSS SOUTH CENTRAL MISSISSIPPI
DURING THE PAST HOUR OR TWO. RAINFALL AMOUNTS OF OVER THREE INCHES
HAVE BEEN REPORTED IN THIS AREAS SINCE NOON TODAY. WITH THE ADDITIONAL
HEAVY RAIN EXPECTED AND THE ALREADY SWOLLEN CREEKS FLASH FLOODING OF
LOW LYING AREAS AND AREAS OF POOR DRAINAGE IS POSSIBLE FOR THE
REMAINDER OF THE AFTERNOON.
DO NOT DRIVE YOUR CAR INTO AREAS WHERE WATER COVERS THE ROAD.
THE WATER DEPTH MAY BE TOO DEEP TO ALLOW YOU TO CROSS SAFELY.
VEHICLES CAUGCHT IN RISING WATER MUST BE ABANDONED QUICKLY.
<
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT
TO CROSS BRIDGES OR LOW SPOTS IF WATER COVERS THE ROAD. NEVER
TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.
<What forecasters said that day
The local office's own words before this flash flood 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, 12:12 PM CST, 2 hours 33 minutes before
MSZALL-151900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 1210 PM CST THU FEB 15 1990 ...TORNADO WATCH REMAINS IN EFFECT UNTIL 5 PM FOR PORTIONS OF CENTRAL AND SOUTH MISSISSIPPI... AT 1205 PM CST RADAR SHOWED SCATTERED THUNDERSTORMS WITH HEAVY RAIN OVER THE SOUTHERN TWO THIRDS OF MISSISSIPPI. THE STRONGER THUNDERSTORMS WERE FROM LIBERTY MISSISSIPI TO NORTHEAST OF BROOKHAVEN...NEAR CARTHAGE AND JUST NORTHWEST OF CRYSTAL SPRINGS. THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 40 MPH. A THUNDERSTORM OVER ST LANDRY PARRISH IN SOUTHEAST LOUISIANA MAY HAVE PRODUCED A TORNADO. THIS THUNDERSTORM CONTAINING THE POSSIBLE TORNADO WILL MOVE INTO WILKINSON COUNTY IN SOUTHW>EST MISSISSIPPI AROUND 1230 PM. PERSONS IN WILKINSON COUNTY SHOULD REMAIN ALERT IN CASE A WARNING IS ISSUED.
Special weather statement, Feb 15, 12:42 PM CST, 2 hours 3 minutes before
MSZALL-151900- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 1225 PM CST THU FEB 15 1990 ...TORNADO WATCH NUMBER 35 REMAINS IN EFFECT FOR PORTIONS OF CENTRAL AND SOUTHERN MISSISSIPPI UNTIL 5:00PM THIS AFTERNOON AND EVENING... ...TORNADO WATCH NUMBER 36 REMAINS IN EFFECT FOR PORTIONS OF WESTERN AND NORTHWESTERN MISSISSIPPI UNTIL 6:00PM THIS AFTERNOON AND EVENING... AT 1225 PM CST RADAR INDICATED POTENTIALLY DANGEROUS THUNDERSTORMS OVER THE SOUTH THIRD OF MISSISSIPPI...20 MILES SOUTH OF NEWTON..AND IN A LARGE CLUSTER BETWEEN BROOKHAVEN AND MAGEE. ANOTHER VERY HEAVY THUNDERSTORM WAS LOCATED IN SOUTHEAST LOUISIANA ABOUT 30 MILES SOUTH OF WOODVILLE MISSISSIPPI. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS... FREQUENT CLOUD TO GROUND LIGHTNING...SMALL HAIL...AND LOCALLY HEAVY RAINFALL AS THEY MOVE TO THE NORTHEAST AT 35 MILES AN HOUR.
Local storm report, Feb 15, 1:42 PM CST, 1 hour 3 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
142 PM CST THU FEB 15 1990
120 PM CST...NAVAL AIR STATION GATE GUARD REPORTS TORNADO TOUCH
DOWN TWO MILES SOUTHWEST OF MAIN GATE. LAUDERDALE
COUNTY MISSISSIPPI.Local storm report, Feb 15, 1:53 PM CST, 52 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
152 PM CST THU FEB 15 1990
150 PM CST...NAVAL WEATHER OFFICE REPORTS TORNADO 8 MILES NORTH OF
NAVAL AIR STATION. LAUDERDALE COUNTY MISSISSIPPI.Special weather statement, Feb 15, 2:16 PM CST, 29 minutes before
MSZALL-152200- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 215 PM CST THU FEB 15 1990 ...TORNADO WATCH NUMBER 36 REMAINS IN EFFECT FOR PORTIONS OF WESTERN AND NORTHWESTERN MISSISSIPPI UNTIL 6:00PM THIS AFTERNOON AND EVENING... ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE REMAINDER OF THIS AFTERNOON AND TONIGHT FOR ALL OF MISSISSIPPI EXCEPT THE SOUTHEAST... AT 210 PM CST THUNDERSTORM WERE BEGINING TO DEVELOPE OVER SOUTHEAST ARKANSAS. THESE STORM WILL BE MOVING TOWARD MISSISSIPPI DURING THE NEXT HOUR. COUNTIES IN NORTHWEST MISSISSIPPPI...ESPECIALLY THE ONES ALONG THE MISSISSIPPI RIVER...NEED TO BEGIN PREPARING FOR THE APPROACH OF THESE STORMS. THESE STORMS WILL HAVE THE POTENTIAL TO PRODUCE TORNADOES AND SEVERE THUNDERSTORMS IN A SHORT PERIOD OF TIME.
Special weather statement, Feb 15, 2:33 PM CST, 12 minutes before
MSZALL-152200- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 230 PM CST THU FEB 15 1990 ...TORNADO WATCH NUMBER 35 REMAINS IN EFFECT FOR PORTIONS OF CENTRAL AND SOUTHERN MISSISSIPPI UNTIL 5:00PM THIS AFTERNOON AND EVENING... ...TORNADO WATCH NUMBER 36 REMAINS IN EFFECT FOR PORTIONS OF WESTERN AND NORTHWESTERN MISSISSIPPI UNTIL 6:00PM THIS AFTERNOON AND EVENING... ...FLASH FLOOD WATCH FOR ALL EXCEPT SOUTHEAST MISSSISSIPPI FOR THIS AFTERNOON AND TONIGHT.. AT 230 PM CST RADAR SHOWED THE STRONGER THUNDERSTORMS 10 MILES WEST OF MT OLIVE...10 MILES EAST OF RALEIGH MISSISSIPPI...AND FROM BROOKHAVEN TO MONTICELLO MISSISSIPPI. ALL THESE THUNDERSTORMS COULD (POSSIBLE PRODUCE A TORNADO AS THEY MOVE TO THE NORTHEAST AT 45 MPH.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 9:27 AM CST | Severe Thunderstorm Warning | JAN | Neshoba | 33 min |
| Feb 15, 10:11 AM CST | Severe Thunderstorm Warning | JAN | Newton | 34 min |
| Feb 15, 10:25 AM CST | Severe Thunderstorm Warning | JAN | Jasper | 35 min |
| Feb 15, 10:28 AM CST | Severe Thunderstorm Warning | JAN | Lauderdale | 47 min |
| Feb 15, 10:42 AM CST | Severe Thunderstorm Warning | JAN | Kemper | 33 min |
| Feb 15, 10:42 AM CST | Severe Thunderstorm Warning | JAN | Hinds, Warren | 48 min |
| Feb 15, 11:03 AM CST | Severe Thunderstorm Warning | JAN | Jasper | 27 min |
| Feb 15, 11:15 AM CST | Severe Thunderstorm Warning | JAN | Clarke, Lauderdale | 60 min |
| Feb 15, 12:21 PM CST | Flash Flood Warning | JAN | Lauderdale | 2 hr |
| Feb 15, 12:27 PM CST | Severe Thunderstorm Warning | JAN | Jasper | 33 min |
| Feb 15, 12:40 PM CST | Severe Thunderstorm Warning | JAN | Newton | 35 min |
| Feb 15, 12:45 PM CST | Severe Thunderstorm Warning | JAN | Simpson, Smith | 45 min |
| Feb 15, 12:52 PM CST | Tornado Warning | JAN | Lauderdale | 38 min |
| Feb 15, 12:55 PM CST | Tornado Warning | JAN | Amite | 50 min |
| Feb 15, 12:59 PM CST | Tornado Warning | JAN | Simpson, Smith | 31 min |
| Feb 15, 1:11 PM CST | Tornado Warning | JAN | Jefferson Davis | 34 min |
| Feb 15, 1:21 PM CST | Tornado Warning | JAN | Scott | 24 min |
| Feb 15, 1:24 PM CST | Tornado Warning | JAN | Jasper, Newton | 51 min |
| Feb 15, 1:28 PM CST | Tornado Warning | JAN | Lauderdale | 32 min |
| Feb 15, 1:33 PM CST | Tornado Warning | JAN | Covington, Smith | 27 min |
| Feb 15, 1:42 PM CST | Tornado Warning | JAN | Kemper | 48 min |
| Feb 15, 1:47 PM CST | Tornado Warning | JAN | Pike | 18 min |
| Feb 15, 1:59 PM CST | Tornado Warning | JAN | Smith | 31 min |
| Feb 15, 2:01 PM CST | Tornado Warning | JAN | Lauderdale | 44 min |
| Feb 15, 2:05 PM CST | Tornado Warning | JAN | Lawrence, Lincoln | 25 min |
| Feb 15, 2:26 PM CST | Tornado Warning | JAN | Jasper | 49 min |
| Feb 15, 2:37 PM CST | Severe Thunderstorm Warning | JAN | Smith | 38 min |
| Feb 15, 2:37 PM CST | Severe Thunderstorm Warning | JAN | Covington | 23 min |
| Feb 15, 2:45 PM CST | Flash Flood Warning | JAN | Covington, Jefferson Davis, Lawrence, Simpson | 3 hr |
| Feb 15, 2:49 PM CST | Flash Flood Warning | JAN | Lauderdale | 6 hr |
| Feb 15, 2:51 PM CST | Tornado Warning | JAN | Lauderdale | 54 min |
| Feb 15, 3:41 PM CST | Tornado Warning | JAN | Jasper | 49 min |
| Feb 15, 3:59 PM CST | Severe Thunderstorm Warning | JAN | Lauderdale | 46 min |
| Feb 15, 4:16 PM CST | Severe Thunderstorm Warning | JAN | Adams, Jefferson | 29 min |
| Feb 15, 4:29 PM CST | Severe Thunderstorm Warning | JAN | Bolivar | 31 min |
| Feb 15, 4:51 PM CST | Severe Thunderstorm Warning | JAN | Hinds | 39 min |
| Feb 15, 5:03 PM CST | Flash Flood Warning | JAN | Jasper | 6 hr |
| Feb 15, 5:48 PM CST | Severe Thunderstorm Warning | JAN | Washington | 27 min |
Nearby
Flash Flood Warnings in Mississippi, 1990Every flash flood 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.