Mesoscale Precipitation Discussion 0715
NWS Weather Prediction Center College Park MD
917 PM EDT Wed Jul 16 2025

Areas affected...Southeast Louisiana

Concerning...Heavy rainfall...Flash flooding possible

Valid 170116Z - 170615Z

Summary...Threat of flash flooding continues to spread west ahead
of AL93 which is shifting west south of Mississippi. 2 to 3"/hour
rainfall rates are likely to continue in these bands and cross the
New Orleans and possibly Baton Rouge metros.

Discussion...AL93 continues a westward track near the MS coast.
00Z PW at Slidell is 2.36". Light mean layer flow will keep motion
slow. Given the high moisture and instability (SBCAPE 2500+ J/kg),
rainfall rates of 2 to 3"/hr are likely to continue as seen
recently from KHDC. Much of the area has high FFG, so the main
overnight threat is for the vulnerable metro areas such as NOLA
and Baton Rouge. Flash flooding is considered possible. Further
issuances overnight are possible as the low shifts west.

Jackson

ATTN...WFO...LCH...LIX...MOB...

ATTN...RFC...ORN...NWC...

LAT...LON   30888952 30208852 29338856 28718956 29429180
            30449181 30799121