Alert archive / Mississippi / Flash Flood Warnings in 1998

Flash Flood Warning 12, NWS Jackson, MS

January 22, 1998Copiah County, Rankin County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jan 22, 1998, 1:12 AM CST for Copiah County, Rankin County, Mississippi. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jan 22, 1998, 1:12 AM CST (07:12 UTC)
Expired: Jan 22, 1998, 5:15 AM CST
In force: 4 hr
Issued by: NWS Jackson, MS
Area: Whole counties

Counties Copiah County, MS, Rankin County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 7.2 hours before the alert went out and 30 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 553 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 98 m²/s²
0-3 km storm-relative helicity: 105 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KJAN 220711 RRA
FFWJAN
LAC065-107-MSC029-049-121-021-149-221115-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
112 AM CST THU JAN 22 1998
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  515 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST LOUISIANA
 
   ...MADISON PARISH...TENSAS PARISH
 
 
IN CENTRAL MISSISSIPPI
 
   ...COPIAH COUNTY...HINDS COUNTY...RANKIN COUNTY
 
IN WEST CENTRAL MISSISSIPPI
 
   ...CLAIBORNE COUNTY...WARREN COUNTY
 
DOPPLER RADAR HAD ESTIMATED THAT 2 TO 3 INCHES OF RAIN HAVE FALLEN
ACROSS THIS AREA SINCE WEDNESDAY AFTERNOON. RAINFALL TOTALS ARE
APPROACHING 4 INCHES ACROSS MADISON PARISH LOUISIANA AND WARREN COUNTY
MISSISSIPPI. MORE HEAVY RAIN AND EMBEDDED THUNDERSTORMS WILL MOVE
NORTHEAST ACROSS CENTRAL MISSISSIPPI AND NORTHEAST LOUISIANA THROUGH
THE EARLY MORNING. ANOTHER 2 INCHES OF RAIN ARE LIKELY WITH LOCALLY
HIGHER AMOUNTS IN STRONGER THUNDERSTORMS.
 
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 WATERS.
<
 
DO NOT DRIVE YOUR CAR INTO AREAS WHERE WATER COVERS THE ROAD.
THE WATER DEPTH MAY BE TOO DEEP TO ALLOW YOU TO CROSS SAFELY.
VEHICLES CAUGHT IN RISING WATER MUST BE ABANDONED QUICKLY.
<
 
75

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 21, 9:40 PM CST	Flash Flood Warning	JAN	Hinds	2 hr
Jan 21, 9:59 PM CST	Flash Flood Warning	JAN	Copiah	2 hr
Jan 21, 11:03 PM CST	Flash Flood Warning	JAN	Rankin	117 min
Jan 22, 1:12 AM CST	Flash Flood Warning	JAN	Claiborne, Hinds, Warren	4 hr
Jan 22, 1:48 AM CST	Severe Thunderstorm Warning	JAN	Forrest, Lamar	57 min
Jan 22, 4:40 AM CST	Severe Thunderstorm Warning	JAN	Marion	50 min
Jan 22, 5:10 AM CST	Severe Thunderstorm Warning	JAN	Forrest, Lamar	50 min

Nearby

Flash Flood Warnings in Mississippi, 1998 Every flash flood warning in 1998

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.