Southern Indiana Weather Spotter's Reference
Current Mesoscale Discussions for the USA
 Checks for Severe Potential, Heavy Rain, Heavy Snow, and Freezing Rain
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MESOSCALE DISCUSSION 2105
NWS Storm Prediction Center Norman OK
0449 PM CDT Sun Aug 23 2026

AREAS AFFECTED...Parts of southwestern North Dakota

CONCERNING...Severe potential...Watch likely

VALID 232149Z - 232315Z

PROBABILITY OF WATCH ISSUANCE...95 percent

SUMMARY...The risk of supercells and organized clusters capable of
producing large hail and SEVERE WIND GUSTS will increase over the
next few hours. A watch will be issued shortly.

DISCUSSION...Thunderstorms are evolving along a lee trough in far
southwestern ND -- potentially being aided by a passing midlevel
wave farther north (evident in WV imagery). An elongated hodograph
with clockwise curvature (around ....... more


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MESOSCALE DISCUSSION 2103
NWS Storm Prediction Center Norman OK
0348 PM CDT Sun Aug 23 2026

AREAS AFFECTED...southern Arizona

CONCERNING...Severe potential...Watch unlikely

VALID 232048Z - 232315Z

PROBABILITY OF WATCH ISSUANCE...20 percent

SUMMARY...The potential for isolated SEVERE WIND GUSTS up to 80 mph
is expected to increase by late afternoon through this evening. A
watch is currently not expected due to the limited areal extent of
the threat.

DISCUSSION...Visible satellite imagery shows gradually deepening
moist convection along the higher terrain in southeast AZ. To the
immediate west over the lower desert, a hot, well-mixed boundary
layer has ....... more