Alert archive / Mississippi / Flash Flood Warnings in 1990
Flash Flood Warning 18, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Feb 15, 1990, 8:40 PM CST for Lauderdale County, Mississippi. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Feb 15, 1990, 8:40 PM CST (02:40 UTC)
- Expired
- Feb 16, 1990, 12:45 AM CST
- In force
- 4 hr
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Lauderdale 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, 2.7 hours before the alert went out and 134 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 KMEI 160241
FFWMEI
MSC075-160645-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MERIDIAN MS
840 PM CST THU FEB 15 1990
THE NATIONAL WEATHER SERVICE IN MERIDIAN HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1245 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN EAST CENTRAL MISSISSIPPI
...LAUDERDALE
AT 840 PM CST REPORTS FROM COUNTY AGENCIES INDICATE THAT THE FLOOD
WATERS ARE RECEDEING SLOWLY. HOWEVER MANY ROADS REMAIN UNDERWATER AND
WILL REMAIN COVERED FOR ANOTHER 4 HOURS. SOWASHEE CREEK IS EXPECTED TO
CREST AROUND 21 TO 22 FEET EARLY FRIDAY MORNING.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DE ATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.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, 6:46 PM CST, 1 hour 54 minutes before
MSZALL-160100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 640 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 635 PM CST...A LINE OF STRONG THUNDERSTORMS WAS INDICATED ACROSS NORTHWEST MISSISSIPPI FROM MAYERSVILLE TO BATESVILLE. THIS LINE IS MOVING EAST AROUND 20 MPH. THE STRONGEST STORM WITHIN THIS LINE WAS MOVING ACROSS LEFLORE COUNTY JUST NORTH OF GREENWOOD. THIS STORM HAS HAD A TORNADIC HISTORY. OTHER STRONG STORMS WITHIN THIS LINE WERE INDICATED NEAR HOLLENDALE AND NEAR DARNELL LOUISIANA. THESE STORMS PROBABLY CONTAIN HAIL. IN ADVANCE OF THIS LINE...STRONG WIND GUSTS ARE POSSIBLE. THE STORMS WILL ALSO PRODUCE HEAVY RAIN. ELSEWHERE ACROSS MISSISIPPI...AN AREA OF RAIN AND EMBEDDED THUNDERSTORMS WAS INDICATED ACROSS SOUTH CENTRAL AND EAST CENwTRAL MISSISSIPPI. THIS AREA HAS BEEN SHRINKING IN AREAL COVERAGE...BUT ISOLATED STRONG STORMS WITHIN THIS AREA MAY PRODUCE LOCALLY HEAVY RAIN. THE AREA IS DRIFTING EAST.
Special weather statement, Feb 15, 6:47 PM CST, 1 hour 53 minutes before
MSZALL-160100- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 640 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 635 PM CST...A LINE OF STRONG THUNDERSTORMS WAS INDICATED ACROSS NORTHWEST MISSISSIPPI FROM MAYERSVILLE TO BATESVILLE. THIS LINE IS MOVING EAST AROUND 20 MPH. THE STRONGEST STORM WITHIN THIS LINE WAS MOVING ACROSS LEFLORE COUNTY JUST NORTH OF GREENWOOD. THIS STORM HAS HAD A TORNADIC HISTORY. OTHER STRONG STORMS WITHIN THIS LINE WERE INDICATED NEAR HOLLENDALE AND NEAR DARNELL LOUISIANA. THESE STORMS PROBABLY CONTAIN HAIL. IN ADVANCE OF THIS LINE...STRONG WIND GUSTS ARE POSSIBLE. THE STORMS WILL ALSO PRODUCE HEAVY RAIN. ELSEWHERE ACROSS MISSISIPPI...AN AREA OF RAIN AND EMBEDDED THUNDERSTORMS WAS INDICATED ACROSS SOUTH CEyNTRAL AND EAST CENTRAL MISSISSIPPI. THIS AREA HAS BEEN SHRINKING IN AREAL COVERAGE...BUT ISOLATED STRONG STORMS WITHIN THIS AREA MAY PRODUCE LOCALLY HEAVY RAIN. THE AREA IS DRIFTING EAST.
Special weather statement, Feb 15, 7:19 PM CST, 1 hour 21 minutes before
MSZ009-012-ALZ008-013-160300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 710 PM CST THU FEB 15 1990 TORNADO WATCH NUMBER 38 CONTINUES IN EFFECT FOR EXTREME WEST CENTRAL ALABAMA UNTIL 800 PM CST. TORNADO WATCH NUMBER 39 CONTINUES IN EFFECT FOR EAST CENTRAL MISSISSIPPI UNTIL 1000 PM CST. TORNADO WATCH NUMBER 40 CONTINUES IN EFFECT UNTIL MIDNIGHT FOR NORTH CENTRAL MISSISSIPPI. FLASH FLOOD WARNINGS ARE IN EFFECT FOR THE FOLLOWING COUNTIES UNTIL THE TIMES INDICATED...LAUDERDALE UNTIL 845 PM...JASPER UNTIL 1100 PM...SUMTER COUNTY ALABAMA UNTIL 1145 PM...NOXUBEE UNTIL 1245 AM...NESHOBA UNTIL 100 AM...KEMPER UNTIL 100 AM... AT 700 PM CST RADAR INDICATED A LINE OF VERY STRONG THUNDERSTORMS EXTENDED FROM NEAR BAY SPRINGS MISSISSIPPI TO NEAR MACON MISSISSIPPI. THE LINE OF THUNDERSTORMS WAS MOVING SOUTHEAST AT 10 MPH. THE INDIVIDUAL STORMS WERE MOVING NORTHEAST AT 40 MPH. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGINZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED... ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IA AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
Special weather statement, Feb 15, 7:25 PM CST, 1 hour 15 minutes before
MSZALL-160200- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 725 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 715 PM CST...A LINE OF STRONG THUNDERSTORMS WAS INDICATED ACROSS WEST AND NORTH CENTRAL MISSISSIPPI FROM ROLLING FORK TO OXFORD. THIS LINE IS MOVING EAST AROUND 20 MPH...BUT INDIVIDUAL STORMS ARE MOVING NORTHEAST AT 60 MPH. THE STRONGEST STORM WITHIN THIS LINE WAS MOVING ACROSS YALOBUSHA COUNTY NEAR COFFEYVILLE. THIS STORM HAS HAD A TORNADIC HISTORY. OTHER STRONG STORMS WITHIN THIS LINE WERE INDICATED NEAR ROLLING FORK AND ITTA BENA. THESE STORMS PROBABLY CONTAIN HAIL. < AHEAD OF THIS LINE OF STORMS...STRONG GUSTY WINDS ARE POSSIBLE. HEAVY RAIN WILL ALSO ACCOMPANY THE STRONGEST STORMS. ELSEWHERE ACROSS MISSISIPPI...AN AREA OF SHOWERS AND THUNDERSTORMS WAS WAS INDICATED ACROSS SOUTH CENTRAL AND EAST CENTRAL MISSISSIPPI. THIS AREA HAS BEEN NARROWING INTO A BAND AND WEAKENING. HOWEVER...ISOLATED STRONG STORMS WITHIN THIS BAND MAY PRODUCE LOCALLY HEAVY RAIN. THIS BAND OF SHOWERS WAS MOVING SLOWLY EAST.
Special weather statement, Feb 15, 8:15 PM CST, 25 minutes before
MSZALL-160200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 815 PM CST THU FEB 15 1990 TORNADO WATCH NUMBER 40 HAS BEEN CANCELLED NORTHWEST OF A GREENVILLE... OXFORD...RIPLEY LINE BUT REMAINS IN EFFECT UNTIL MIDIGHT SOUTHEAST OF THAT LINE. TORNADO WATCH NUMBER 39 REMAINS IN EFFECT FOR PORTIONS OF CENTRAL AND SOUTH MISSISSIPPI UNTIL 10 PM.
Special weather statement, Feb 15, 8:20 PM CST, 20 minutes before
MSZALL-160300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 815 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 MUCH OF NORTHERN MISSISSIPPI TILL MIDNIGHT... AT 800 PM CST...A LINE OF STRONG THUNDERSTORMS WAS INDICATED ACROSS NORTHWEST MISSISSIPPI FROM ROLLING FORK TO TUPELO. THIS LINE IS MOVING EAST AROUND 20 MPH WITH INDIVIDUAL STORMS MOVING NORTHEAST AT 60 MPH. THESE STORMS HAVE BEEN ASSOCIATED WITH VERY HEAVY RAIN..STRONG WIND..AND DAMAGING HAIL. THE STRONGEST IN THE LINE WAS LOCATED NEAR BELZONI. A LINE OF STRONG THUNDERSTORMS WAS ALSO LOCATED ACROSS EAST AND SOUTHEAST MISSISSIPPI FROM MACON SOUTWESTWARD TO TYLERTOWN. THE STORMS WERE MOVING NORTHEAST ABOUT 60 MPH AND THE LINE WAS MOVING TO THE EAST ABOUT 20 MPH. THE STRONGEST STORMS WERE LOCATED NEAR BAY SPRINGS AND TYLERTOWN. AN AREA OF THUNDERSTORMS WAS ALSO INDICATED OVER SOUTHWEST MISSISSIPPI. THESE STORMS ARE MOVING INTO A WARM..MOIST AREA AND MAY CONTINUE TO STRENGHTEN. THEY WERE LOCATED IN AN AREA FROM PORT GIBSON TO HAZELHURST TO MCCOMB AND WERE MOVING NORTHEAST ABOUT 60 MPH.
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, 6:24 PM CST | Tornado Warning | JAN | Leflore | 36 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, 8:54 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
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.