Alert archive / Alabama / Flash Flood Warnings in 1990
Flash Flood Warning 12, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Feb 15, 1990, 4:49 PM CST for Sumter County, Alabama. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Feb 15, 1990, 4:49 PM CST (22:49 UTC)
- Expired
- Feb 15, 1990, 11:45 PM CST
- In force
- 7 hr
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Sumter County, AL
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
Centreville/Bibb, AL (KCKL), launched 12:00Z, 10.8 hours before the alert went out and 100 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
- 8 J/kg
- Mixed-layer CIN
- -132 J/kg
- Mixed-layer LCL
- 608 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 257 m²/s²
- 0-3 km storm-relative helicity
- 402 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMEI 152250
FFWMEI
ALC119-160545-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MERIDIAN MS
449 PM CST THU FEB 15 1990
THE NATIONAL WEATHER SERVICE IN MERIDIAN HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1145 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN WEST CENTRAL ALABAMA
...SUMTER
AS OF 445 PM CST APPROXIMATELY 5.00 INCHES OF RAIN HAD FALLEN OVER
SUMTER COUNTY ALABAMA. WITH MORE HEAVY RAIN ON THE WAY LOCAL STREAM
AND STREET FLOODING IS LIKELY THIS EVENING.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.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, 2:16 PM CST, 2 hours 33 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, 2 hours 16 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.
Local storm report, Feb 15, 2:46 PM CST, 2 hours 3 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
244 PM CST THU FEB 15 1990
220 PM CST...LIVINGSTON P.D. REPORTS TORNADO 1 MILE NORTH OF
LIVINGSTON ALABAMA IN SUMTER COUNTY.Special weather statement, Feb 15, 3:39 PM CST, 1 hour 10 minutes before
MSZALL-152300- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 335 PM CST THU FEB 15 1990 ...TORNADO WATCH NUMBER 39 REMAINS IN EFFECT FOR PORTIONS OF CENTRAL AND SOUTHERN MISSISSIPPI UNTIL 10:00PM 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 WARNING FOR SEVERAL COUNTIES IN CENTRAL MISSISSIPPI TIL 545 PM... AT 330 PM CST RADAR SHOWED STRONG THUNDERSTORMS WITH HEAVY RAIN OVER COVINGTON..SMITH..AND SIMPSON COUNTIES. SEVERAL REPORTS OF FLASH FLOODING HAVE BEEN RECEIVED FROM THESE COUNTIES. SOME EVACUATION OF HOMES WAS IN PROGRESS IN MAGEE MISSISSIPPI AND A TRAILER HAD BEEN FLOODED IN RALEIGH. THESE THUNDERSTORMS CONTINUE TO PRODUCE HEAVY RAIN AS THEY MOVE TO THE NORTHEAST AT 40 MPH.
Special weather statement, Feb 15, 4:14 PM CST, 35 minutes before
MSZALL-152300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 410 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 400 PM CST...A SOLID AREA OF RAIN AND EMBEDDED STRONG THUNDERSTORMS ACROSS SOUTHWEST AND EAST CENTRAL MISSISSIPPI. THE HEAVIEST ACTIVITY WITHIN THIS BAND IS INDICATED BETWEEN MERIDIAN AND BAY SPRINGS. THE STORMS ARE MOVING NORTHEAST...BUT THE AREA HAS SHOWN LITTLE MOVEMENT. THE STORMS ARE PRODUCING HEAVY RAIN AND MAY CAUSE FLASH FLOODING. A LINE OF STRONG THUNDERSTORMS WAS INTENSIFYING OVER EASTERN ARKANSAS AND WILL BE MOVING INTO NORTHWEST MISSISSIPPI SHORTLY. STRONG GUSTY WINDS...HAIL...AND HEAVY RAINS ARE POSSIBLE ALONG THIS LINE. THE LINE IS MOVING EAST AROUND 20 MPH. THIS LINE IS CONTINUING TO DEVELOP SOUTH AND STRENGTHENING. PEOPLE SHOULD BE ALERT SHOULD A WARNING BECOME NECESSARY.
Special weather statement, Feb 15, 4:48 PM CST, 1 minute before
MSZALL-152300- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 440 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 435 PM CST...A SOLID AREA OF RAIN AND EMBEDDED STRONG THUNDERSTORMS ACROSS SOUTHWEST AND CENTRAL MISSISSIPPI. THE HEAVIEST STORM WAS BETWEEN NATCHEZ AND FAYETTE. IT HAD PRODUCED A WIND GUST OF 75 MPH AND DAMAGED THE ROOF OF A STORAGE BUILDING. ANOTHER CLUSTER OF STRONG THUNDERSTORMS WAS INDICATED BETWEEN RAYMOND AND JACKSON. THE STORMS WERE MOVING NORTHEAST AT 45 MPH WHILE THE RAIN AREA WAS DRIFTING NORTH. A LINE OF STRONG THUNDERSTORMS HAD MOVED INTO NORTHWEST MISSISSIPPI. THE STRONGEST STORM ALONG THE LINE IN MISSISSIPPI WAS NEAR CLEVELAND. IT HAD PRODUCED MARBLE SIZE HAIL EARLIER. THE LINE OF STORMS IS MOVING EAST AROUND 20 MPH.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 1:57 PM CST | Tornado Warning | JAN | Sumter | 48 min |
Nearby
Flash Flood Warnings in Alabama, 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.