Alert archive / Mississippi / Flash Flood Warnings in 1990
Flash Flood Warning 7, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Feb 2, 1990, 10:33 PM CST for Washington County, Mississippi. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Feb 2, 1990, 10:33 PM CST (04:33 UTC)
- Expired
- Feb 3, 1990, 1:30 AM CST
- In force
- 3 hr
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Washington 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, 4.6 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
- 457 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 1162 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KJAN 030434
FFWJAN
MSC151-030730-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1033 PM CST FRI FEB 2 1990
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 130 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTHWEST MISSISSIPPI
...WASHINGTON
AT 1020 PM CST...WASHINGTON COUNTY SHERIFFS OFFICE WAS REPORTIING SOME
STREET FLOODING IN THE CITY OF GREENVILLE. WATER UP TO 1 FOOT DEEP WAS
OCCURRING IN THE DOWNTOWN AREA. ALSO...SOME OF THE DITCHES IN THE
COUNTY WERE REPORTED NEAR BANK FULL. WITH MORE RAIN MOVING INTO THE
COUNTY...FLASH FLOODING IS LIKELY TO CONTINUE FOR THE NEXT FEW HOURS.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. DO NOT STAY IN AREAS SUBJECT TO FLASH FLOODING WHEN
WATER BEGINS RISING. MOVE 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 2, 6:58 PM CST, 3 hours 35 minutes before
MSZ003-008-030200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 657 PM CST FRI FEB 2 1990 ...RAIN AND THUNDERSTORMS DEVELOPING NORTHWARD INTO CENTRAL MISSISSIPPI... AT 650 PM...SCATTERED THUNDERSTORMS CONTINUED TO DEVELOP NORTHWARD FROM SOUTHWEST MISSISSIPPI. THE STRONGEST OF THESE THUNDERSTORMS WERE LOCATED NEAR THE COPIAH-SIMPSON COUNTYLINE SOUTH OF GEORGETOWN...AND NEAR LORMAN IN NORTHERN JEFFERSON COUNTY. WITH A VERY WARM AND HUMID AIR MASS OVER CENTRAL MISSISSIPPI THIS EVENING...THESE THUNDERSTORMS WILL LIKELY CONTINUED TO MOVE NORTHWARD UP INTO CENTRAL MISSISSIPPI OVER THE NEXT TWO HOURS. THE STORMS CONTAIN OCCASIONAL LIGHTNING...BRIEF PERIODS OF HEAVY RAIN A=ND SOME GUSTY WINDS. MOVEMENT WAS NORTHEAST AT 35 MILES AN HOUR. <
Special weather statement, Feb 2, 9:30 PM CST, 1 hour 3 minutes before
MSZ009-012-ALZ008-013- - SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 930 PM CST FRI FEB 2 1990 SEVERE THUNDERSTORM WATCH NUMBER 13 IS IN EFFECT UNTIL 300 AM CST SATURDAY MORNING. THIS WATCH INCLUDES ALL COUNTIES IN EAST CENTRAL MISSISSIPPI. AT 925 PM CST MERIDIAN RADAR INDICATED A LARGE AREA OF THUNDERSTORMS ALONG AND 50 MILES EACH SIDE OF A LINE FROM NEAR UTICA MISSISSIPPI TO NEAR COLOUMBUS MISSISSIPPI. THE STRONGEST THUNDERSTORMS WERE BETWEEN NEWTON AND UNION MISSISSIPPI. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. <<
Local storm report, Feb 2, 9:41 PM CST, 52 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
945 PM CST FRI FEB 2 1990
748 PM...1 INCH HAIL REPORTED 7 MILES NORTHEAST OF BRANDON...RANKIN CO
...BY WEATHER SERVICE EMPLOYEE.
905 PM...GOLFBALL SIZE HAIL REPORTED NEAR LELAND BY WASHINGTON S.O.Local storm report, Feb 2, 10:14 PM CST, 19 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1015 PM CST FRI FEB 2 1990
748 PM...1 INCH HAIL REPORTED 7 MILES NORTHEAST OF BRANDON...RANKIN CO
...BY WEATHER SERVICE EMPLOYEE.
905 PM...GOLFBALL SIZE HAIL REPORTED NEAR LELAND BY WASHINGTON S.O.
1010 PM...UNCONFIRMED TORNADO REPORTED BY GRENADA P.D. NEAR HOLCOMB.The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 2, 7:51 PM CST | Severe Thunderstorm Warning | JAN | Rankin | 39 min |
| Feb 2, 8:06 PM CST | Severe Thunderstorm Warning | JAN | Issaquena | 39 min |
| Feb 2, 8:24 PM CST | Severe Thunderstorm Warning | JAN | Hinds | 36 min |
| Feb 2, 8:34 PM CST | Severe Thunderstorm Warning | JAN | Sunflower | 26 min |
| Feb 2, 8:45 PM CST | Severe Thunderstorm Warning | JAN | Washington | 30 min |
| Feb 2, 9:07 PM CST | Severe Thunderstorm Warning | JAN | Leflore | 38 min |
| Feb 2, 9:16 PM CST | Severe Thunderstorm Warning | JAN | Hinds | 29 min |
| Feb 2, 9:31 PM CST | Tornado Warning | JAN | Leflore, Tallahatchie | 29 min |
| Feb 2, 9:53 PM CST | Tornado Warning | JAN | Grenada | 37 min |
| Feb 2, 10:27 PM CST | Tornado Warning | JAN | Yalobusha | 33 min |
| Feb 2, 10:47 PM CST | Tornado Warning | JAN | Calhoun | 28 min |
| Feb 2, 11:26 PM CST | Severe Thunderstorm Warning | JAN | Bolivar | 34 min |
| Feb 3, 4:21 PM CST | Tornado Warning | JAN | Kemper, Neshoba, Noxubee, Winston | 54 min |
| Feb 3, 4:28 PM CST | Severe Thunderstorm Warning | JAN | Jasper | 32 min |
| Feb 3, 4:55 PM CST | Severe Thunderstorm Warning | JAN | Lamar, Marion | 35 min |
| Feb 3, 4:57 PM CST | Severe Thunderstorm Warning | JAN | Clarke | 48 min |
| Feb 3, 5:15 PM CST | Severe Thunderstorm Warning | JAN | Kemper | 45 min |
| Feb 3, 5:19 PM CST | Severe Thunderstorm Warning | JAN | Newton | 41 min |
| Feb 3, 5:25 PM CST | Severe Thunderstorm Warning | JAN | Lauderdale | 50 min |
| Feb 3, 5:57 PM CST | Severe Thunderstorm Warning | JAN | Jasper | 48 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.