Subj : MESO: Nws Weather Prediction Center College Park Md
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Wed Jun 04 2025 21:58:27

AWUS01 KWNH 042157
FFGMPD
COZ000-NMZ000-AZZ000-UTZ000-NVZ000-050355-

Mesoscale Precipitation Discussion 0364
NWS Weather Prediction Center College Park MD
556 PM EDT Wed Jun 04 2025

Areas affected...portions of the Great Basin and Four Corners
region

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

Valid 042155Z - 050355Z

Summary...Isolated/spotty flash flood potential will continue
through peak heating hours this evening.

Discussion...Scattered thunderstorms continue to move slowly
across the discussion area, with localized areas of somewhat
higher concentration of activity located across southern/eastern
Utah and central New Mexico near Albuquerque.  The storms remain
in a favorable environment for locally heavy rainfall (exceeding
an inch at times) due to their slow movement, 0.75-1 inch PW
values, and steep mid-level lapse rates (exceeding 8C/km in most
areas).  Of particular concern through the next 6 hours are
sensitive areas/slot canyons across southern Utah and burn scars
across north-central New Mexico.  Slightly faster steering flow
aloft was noted over central New Mexico, which has resulted in
somewhat faster storm speeds although spots of 1 inch/hr rates
remain evident there per MRMS.

Most of the storms across the discussion area expected to remain
strongly tied to the diurnal cycle, with weakening/decreasing
coverage expected to commence after 03Z or so.

Cook

....Please see https://urldefense.com/v3/__http://www.wpc.ncep.noaa.gov__;!!=
DZ3fjg!63rg36PGn9gN54gQ1CbJ6YB1MbqTGfTvE8e42i45_1JV-9hrj91rZMRiM9Ppz7n7ppnN=
Y8oEnyxJC0vXyN_860pJTsE$  for graphic product...

ATTN...WFO...ABQ...BOU...FGZ...GJT...LKN...PUB...SLC...VEF...

ATTN...RFC...FWR...KRF...RSA...STR...TUA...NWC...

LAT...LON   40070796 39630621 38360527 35510525 34530566=20
            33820760 33961124 34761382 36351616 37201646=20
            37961631 38621554 38881407 38841281 39521089=20
            39980964=20

=3D =3D =3D
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