Alert archive / Mississippi / Flash Flood Warnings in 1989
Flash Flood Warning 9, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at May 18, 1989, 7:31 PM CDT for Lincoln County, Mississippi. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- May 18, 1989, 7:31 PM CDT (00:31 UTC)
- Expired
- May 18, 1989, 10:00 PM CDT
- In force
- 2 hr
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Lincoln 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, 0.5 hours before the alert went out and 94 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
- 45 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 588 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 250 m²/s²
- 0-3 km storm-relative helicity
- 386 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KJAN 190035 RRA
FFWJAN
MSC029-049-085-190300-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
731 PM CDT THU MAY 18 1989
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1000 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN CENTRAL MISSISSIPPI
...COPIAH...HINDS
IN SOUTHWEST MISSISSIPPI
...LINCOLN
RAINFALL AMOUNTS OF 2 TO 3 INCHES HAVE FALLEN OVER PORTIONS OF HINDS...COPIAH AND LINCOLN COUNTIES DURING THE LAST 6 HOURS. MORE HEAVY
THUNDERSTORMS WILL MOVE ACROSS THESE COUNTIES DURING THE NEXT COUPLE
OF HOURS. THE HEAVY RAINFALL WILL RESULT IN RUNOFF THAT WILL BEGIN
FLOODING LOW LYING AREAS AND SOME ROADWAYS. SMALL CREEKS WILL ALSO
LIKELY BEGIN OVERFLOWING.
AT NIGHT BE ESPECIALLY CAUTIOUS WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY. MOVE SWIFTLY TO ESCAPE FLOOD WATEERS.
<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, May 18, 4:40 PM CDT, 2 hours 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 435 PM CDT THU MAY 18 1989 ...A TORNADO WATCH IS IN EFFECT FOR PORTIONS OF SOUTHEAST MISSISSIPPI UNTIL 10 PM... AT 435 PM...A LINE OF STRONG THUNDERSTORMS WITH VERY HEAVY RAINFALL EXTENDED ACROSS SOUTHWEST MISSISSIPPI FROM 25 MILES WEST OF JACKSON TO 35 MILES SOUTHWEST OF MCCOMB. THE LINE OF THUNDERSTORMS WAS MOVING EAST AT 10 MILES AN HOUR. THUNDERSTORMS PASSING OVER THE SAME AREA WAS PRODUCING SOME FLOODING. OTHER THUNDERSTORMS WAS LOCATED IN A VERY LARGE AREA OF RAIN THAT COVERED MOST OF MISSISSIPPI...EXCEPT FOR THE SOUTHEASTERN PORTION OF THE STATE. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES AN HiOUR. THE CHANCE OF SEVERE WEATHER WILL CONTINUE MAINLY IN SOUTH MISSISSIPPI. LATER STATEMENTS AND WARNINGS WILL BE ISSUED AS NEEDED.
Special weather statement, May 18, 5:29 PM CDT, 2 hours 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 525 PM CDT THU MAY 18 1989 TORNADO WATCH NUMBER 271 IS IN EFFECT UNTIL 1000 PM CDT AND INCLUDES CLARKE...JONES...AND WAYNE COUNTIES IN EAST CENTRAL MISSISSIPPI AND CHOCTAW COUNTY IN WEST CENTRAL ALABAMA. AT 520 PM CDT MERIDIAN WEATHER RADAR INDICATED AN 80 MILE WIDE AREA OF RAIN WITH STRONG THUNDERSTORMS EXTENDED FROM OKOLONA MISSISSIPPI TO NEAR MCCOMB MISSISSIPPI. THE HEAVIEST RAINFALL WAS OCCURING IN LAUDERDALE AND CLARKE COUNTIES. THE AREA WAS MOVING EAST AT 10 MPH. EVERYONE IN OR NEAR THE WATCH AREA SHOULD REMAIN ALERT FOR SEVERE WEATHER THIS EVENING AND TONIGHT.
Special weather statement, May 18, 5:49 PM CDT, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 545 PM CDT THU MAY 18 1989 AT 540 PM...NUMEROUS HEAVY THUNDERSTORMS WERE IN A 30 MILE WIDE BAND FROM CANTON TO JACKON TO MCCOMB. THESES THUNDERSTORMS ARE PRODUCING VERY HEAVY RAINS AS THE BAND MOVES TO THE EAST AT 10 MPH. OTHER SHOWERS AND THUNDERSTORMS COVER MOST OF MISSISSIPPI EAST OF A MERIDIAN TO COLUMBIA LINE. THE AREA IS MOVING EAST AT 20 MPH.
Special weather statement, May 18, 6:00 PM CDT, 1 hour 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 600 PM CDT THU MAY 18 1989 ...A HIGH WIND WARNING FOR NORTHWEST MISSISSIPPI UNTIL 730 PM... AROUND 530 PM...HIGH WINDS ESTIMATED AT ABOUT 50 MILES AN HOUR WERE REPORTED OVER WESTERN BOLIVAR COUNTY. SOME TREES WERE DOWN OVER ROADS ...SOME POWER LINES WERE BLOWN DOWN...AND THERE HAS BEEN SOME REPORTED STRUCTURAL DAMAGE. THESE HIGH WINDS ARE NOT DUE TO THUNDERSTORMS...BUT RATHER TO A VERY STRONG PRESSURE GRADIENT OVER NORTHWEST MISSISSIPPI. MORE HIGH WINDS ARE POSSIBLE OVER NORTHWEST MISSISSIPPI...GENERALLY WEST OF A GREENWOOD TO OXFORD LINE UNTIL 730 PM. IF CONDITIONS PERSIST LONGER THAN THAT... AND AN UPDATED STATEMENT WILL HAVE TO BE ISSUED.
Local storm report, May 18, 6:48 PM CDT, 43 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
648 PM CDT THU MAY 18 1989
114 PM...FAYETTE...JEFFERSON CO...PENNY SIZED HAIL REPORTED BY FAYETTE
P.D.
208 PM...4 MILES SE OF PINOLA...SIMPSON CO...DIME SIZED HAIL.
215 PM...TREES AND POWER LINES DOWN NEAR PINOLA...TORNADO HAS NOT BEEN
CONFIRMED SO FAR.
510 PM...JACKSON...STREET FLOODING REPORTED AT JACKSON MALL BY JACKSON
-HINDS EOC.
515 PM...3 MILES EAST OF THE PIKE/AMITE COUNTY LINE (AMITE CO)...HWY 24
...TREES ON CARS, HOMES, ROADS. FENCES ALSO BLOWN DOWN.
535 PM...ROSEDALE...BOLIVAR CD REPORTED TREES DOWN...POWER LINES DOWN
...SOME STRUCTURAL DAMAGE BY HIGH WINDS (NO THUNDERSTORMS IN
THE AREA AT THE TIME).
610 PM...CLARKSDALE...COAHOMA CO...CLARKSDALE PD REPORTED 3 LARGE TREES
DOWN AND SOME PLATE GLASS WINDOWS BLOWN OUT OF A COUPLE
BUILDINGS (NO THUNDERSTORMS IN THE AREA AT THE TIME).Special weather statement, May 18, 7:18 PM CDT, 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 715 PM CDT THU MAY 18 1989 TORNADO WATCH NUMBER 271 IS IN EFFECT FOR SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA UNTIL 1000 PM CDT. THE WATCH INCLUDES CLARKE... JONES...AND WAYNE COUNTIES IN EAST CENTRAL MISSISSIPPI AND CHOCTAW COUNTY IN WEST CENTRAL ALABAMA. AT 710 PM CDT MERIDIAN WEATHER RADAR INDICATED A 125 MILE WIDE AREA OF RAIN WITH STRONG THUNDERSTORMS EXTENDED FROM OKOLONA MISSISSIPPI TO NEAR TYLERTOWN MISSISSIPPI. THE HEAVIEST RAINFALL WAS OCCURING IN LAUDERDALE COUNTY. THE RAIN AREA WAS MOVING EAST AT 10 MPH WHILE THE THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MPH. EVERYONE IN OR NEAR THE WATCH AREA SHO$ULD REMAIN ALERT FOR SEVERE WEATHER THIS EVENING AND TONIGHT.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 7:18 PM CDT | Flash Flood Warning | JAN | Marion, Walthall | 3 hr |
| May 18, 7:18 PM CDT | Flash Flood Warning | JAN | Amite, Pike, Wilkinson | 3 hr |
| May 18, 7:31 PM CDT | Flash Flood Warning | JAN | Copiah, Hinds | 2 hr |
| May 18, 8:01 PM CDT | Flash Flood Warning | JAN | Rankin, Simpson | 119 min |
Nearby
Flash Flood Warnings in Mississippi, 1989Every flash flood warning in 1989
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.