Alert archive / Mississippi / Flash Flood Warnings in 1993
Flash Flood Warning 9, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Jan 20, 1993, 4:51 PM CST for Forrest County, Mississippi. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jan 20, 1993, 4:51 PM CST (22:51 UTC)
- Expired
- Jan 20, 1993, 11:00 PM CST
- In force
- 6 hr
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Forrest County, MS
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 10.9 hours before the alert went out and 113 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
- 21 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 545 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 392 m²/s²
- 0-3 km storm-relative helicity
- 460 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 202251 FFWJAN MSC035-210500- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE JACKSON MS 451 PM CST WED JAN 20 1993 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1100 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN SOUTHEAST MISSISSIPPI ...FORREST COUNTY HEAVY RAIN AND THUNDERSTORMS IN SOUTHERN MISSISSIPPI HAVE PRODUCED 3 TO 5 INCHES IN RAIN IN SOME AREAS. RAIN AND SCATTERED THUNDERSTORMS WILL CONTINUE THROUGH THE EVENING...MAINTAINING THE THREAT OF FLOODING TONIGHT. SOME ROADS AND BUILDINGS IN THE AREA ARE REPORTED TO BE FLOODED THIS EVENING. AT NIGHT BE ESPECIALLY CAUTIOUS WHEN IT IS HARDER TO RECOGN@IZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE SWIFTLY TO ESCAPE FLOOD WATERS. <
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, Jan 20, 3:57 PM CST, 54 minutes before
MSZALL-202200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 350 PM CST WED JAN 20 1993 ...DISREGARD ERRONEOUS FLASH FLOOD WARNING FOR 921 AM ISSUED FOR FORREST AND LAMAR COUNTIES... A FLASH FLOOD WARNING FOR FORREST AND LAMAR COUNTIES WAS MISTAKENLY TRANSMITTED OVER THE NATIONAL WEATHER WIRE CIRCUIT. PLEASE DISREGARD THIS PARTICULAR MESSAGE. FLASH FLOOD WARNINGS FOR THESE COUNTIES MAY BE NECESSARY LATER THIS EVENIN. CONDITIONS COULD GET WORSE THROUGH THE REMAINDER OF THE PREDAWN HOURS...DURING THE DAY WEDNESDAY...AND WEDNESDAY NIGHT. MORE HEAVY RAINFALL AND A FEW SEVERE THUNDERSTORMS ARE POSSIBLE OVER THE NEXT 24 HOURS.
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 20, 9:21 AM CST | Flash Flood Warning | JAN | Forrest, Lamar | 3 hr |
| Jan 20, 4:05 PM CST | Flash Flood Warning | JAN | Marion, Walthall | 3 hr |
| Jan 20, 4:05 PM CST | Flash Flood Warning | JAN | Lamar | 3 hr |
| Jan 20, 4:24 PM CST | Flash Flood Warning | JAN | Wilkinson | 6 hr |
| Jan 20, 4:31 PM CST | Flash Flood Warning | JAN | Amite, Pike | 6 hr |
Nearby
Flash Flood Warnings in Mississippi, 1993Every flash flood warning in 1993
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.