Alert archive / Mississippi / Flash Flood Warnings in 1990
Flash Flood Warning 31, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Jun 1, 1990, 3:07 PM CDT for Marion County, Mississippi. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 1, 1990, 3:07 PM CDT (20:07 UTC)
- Expired
- Jun 1, 1990, 6:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Marion 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 8.1 hours before the alert went out and 110 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
- 2266 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 539 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KJAN 012010 COR FFWJAN MSC091-012315- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE JACKSON MS 307 PM CDT FRI JUN 1 1990 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 615 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL MISSISSIPPI ...MARION COUNTY A CLUSTER OF STRONG THUNDERSTORMS HAS MOVED OVER MARION COUNTY IS PRODUCING VERY HEAVY RAINS. REPORTS OF UP TO 3 INCHES OF RAIN HAVE BEEN REPORTED IN THE VICNITY OF COLUMBIA. THIS HEAVY RAIN HAS CAUSED RAPID RISE IN LOCAL STREAMS AND CREEKS. IN ADDITION...WATER IS BEGINNING TO FLOOD SOME OF THE COUNTY'S ROADS. DO NOT DRIVE YOUR CAR INTO AREAS WHERE WATER kCOVERS THE ROAD. THE WATER DEPTH MAY BE TOO DEEP TO ALLOW YOU TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER MUST BE ABANDONED QUICKLY. <
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
Local storm report, Jun 1, 10:46 AM CDT, 4 hours 21 minutes before
STORM REPORTS NATIONAL WEATHER SERVICE JACKSON MS 1040 AM CDT FRI JUN 01 1990 ..DELAYED REPORT FOR 5/31/90... ADDED INFORMATION TO DAMAGE REPORT AT GREENVILLE (WASHINGTON COUNTY) BETWEEN MIDNIGHT AND 4AM. ESTIMATED WIND SPEED (USING BEAUFORT SCALE) AT 50-60 MPH. SEVERAL TREES WERE UPROOTED.
Special weather statement, Jun 1, 11:16 AM CDT, 3 hours 51 minutes before
MSZ009-012-ALZ008-013-011915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 1115 AM CDT FRI JUN 1 1990 AT 1108 AM CDT MERIDIAN WEATHER RADAR INDICATED SHOWERS AND THUNDERSTORMS ACROSS MOST OF EAST CENTRAL MISSISSIPPI. THE STRONGEST THUNDERSTORM ACTIVITY WAS LOCATED OVER JONES AND SOUTHERN JASPER COUNTIES. OVER THE LAST HOUR OVER ONE AND A QUARTER INCHES OF RAIN HAS FALLEN IN LAUREL MISSISSIPPI. ANOTHER THUNDERSTORM HAS DEVELOPED OVER WESTERN JONES COUNTY AND WILL BE MOVING EAST OVER THE NEXT HOUR. THE AREA OF THUNDERSTORMS IS MOVING SLOWLY SO PEOPLE IN SOUTHERN JASPER...SOUTHERN CLARKE...JONES AND WAYNE COUNTIES CAN EXPECT PERIODS OF VERY HEAVY RAIN TO CONT=INUE FOR THE NEXT TWO HOURS. THE HEAVY RAIN WILL CAUSE LOCAL STREET FLOODING AND REDUCE VISIBILITY MAKING DRIVING VERY HAZARDOUS.
Special weather statement, Jun 1, 1:26 PM CDT, 1 hour 41 minutes before
MSZ009-012-AL008-013-012030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 124 PM CDT FRI JUN 1 1990 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR JONES COUNTY UNTIL 330 PM CDT... AS OF 117 PM CDT MOST OF THE THUNDERSTORMS WHICH PRODUCED THE FLASH FLOODING IN JONES COUNTY HAVE MOVED TO THE EAST. JONES COUNTY CIVIL DEFENSE REPORTS THAT MOST OF THE ROADWAYS THAT WERE UNDER WATER ARE NOW PASSABLE. EVEN THOUGH MOST OF THE FLOODING HAS ENDED IN JONES COUNTY...THE FLASH FLOOD WARNING WILL REMAIN IN EFFECT BECAUSE THUNDERSTORMS ARE REDEVELOPING ACROSS SOUTH MISSISSIPPI. AFTERNOON HEATING...IN COMBINATION WITH ABUNDANT LOW LEVEL MOISTURE WILL COUNTINE TO DEVELOP THUNDERSTORMS THROUGHT THE AFTERNOON HOURS.
Special weather statement, Jun 1, 2:14 PM CDT, 53 minutes before
MSZALL-012000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 210 PM CDT FRI JUN 1 1990 ...STRONG THUNDERSTORMS DEVELOPING ACROSS SOUTH MISSISSIPPI... DURING THE PAST HOUR...STRONG THUNDERSTORMS HAVE DEVELOPED ACROSS THE SOUTHERN THIRD OF MISSISSIPPI...GENERALLY SOUTH OF A LINE FROM LORMAN TO WAYNESBORO. ALL OF THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS AND HEAVY RAIN AS THEY MOVE NORTHEAST. ALL INTEREST S IN SOUTH MISSISSIPPI SHOULD BE ALERT AS THESE THUNDER- STORMS DEVELOP AND MOVE THROUGH THE AREA.
Special weather statement, Jun 1, 3:05 PM CDT, 2 minutes before
MSZ009-012-ALZ008-013-012200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 303 PM CDT FRI JUN 1 1990 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR JONES COUNTY UNTIL 33O PM... AT 258 PM CDT MERIDIAN WEATHER RADAR INDICATED THAT THUNDERSTORMS WITH VERY HEAVY RAIN HAVE REDEVELOPED ALONG AND SOUTH OF A WAYNESBORO... LAUREL....HAZLEHURST MISSISSIPPI LINE. VERY HEAVY RAINFALL CAN BE EXPECTED OVER JONES COUNTY...ESPECIALLY THE WESTERN HALF OF THE COUNTY DURING THE NEXT HOUR. ALONG WITH VERY HEAVY RAIN THESE THUNDERSTORM WILL PRODUCE GUSTY WINDS AND SOME SMALL HAIL. THE THUNDERSTORMS WERE MOVING NORTH AT 20 MPH. IF YOU ENCOUNTER A FLOODED ROADWAY DO NOT CROSS IfT. MOST DEATHS FROM FLASH FLOODING OCCUR IN CARS.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 5:58 PM CDT | Flash Flood Warning | JAN | Marion | 3 hr |
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.