Southern Indiana Weather Spotter's Reference
Current Mesoscale Discussions for the USA
 Checks for Severe Potential, Heavy Rain, Heavy Snow, and Freezing Rain
 Note: This page will reload every 2 minutes. Mesoscale Discussions are listed in the order issued.
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MESOSCALE DISCUSSION 0814
NWS Storm Prediction Center Norman OK
0252 PM CDT Thu May 21 2026

AREAS AFFECTED...Southern Appalachians into parts of southern
VA/northern NC

CONCERNING...Severe potential...Watch unlikely

VALID 211952Z - 212145Z

PROBABILITY OF WATCH ISSUANCE...5 percent

SUMMARY...Localized DAMAGING WINDS are possible through the
remainder of the afternoon.

DISCUSSION...Scattered thunderstorms have developed this afternoon
from north GA into southern VA. Convection is generally disorganized
within a modestly unstable and weakly sheared environment, though
occasionally robust cells have developed in the vicinity of a cold
front across southern VA. ....... more

MESOSCALE DISCUSSION 0813
NWS Storm Prediction Center Norman OK
0202 PM CDT Thu May 21 2026

AREAS AFFECTED...Parts of west/southwest TX

CONCERNING...Severe potential...Watch unlikely

VALID 211902Z - 212130Z

PROBABILITY OF WATCH ISSUANCE...20 percent

SUMMARY...Strong to locally severe storms will be possible through
the afternoon.

DISCUSSION...A small supercell has recently developed to the
northeast of Midland. With generally weak deep-layer flow noted in
regional VWPs, the relative organization of this cell is likely due
to locally backed winds and enhanced shear/SRH in the vicinity of a
differential heating/baroclinic zone draped from north to east ....... more

MESOSCALE DISCUSSION 0812
NWS Storm Prediction Center Norman OK
0110 PM CDT Thu May 21 2026

AREAS AFFECTED...portions of southeastern Colorado Northern New
Mexico and the western Texas/Oklahoma Panhandles

CONCERNING...Severe potential...Watch possible

VALID 211810Z - 212015Z

PROBABILITY OF WATCH ISSUANCE...40 percent

SUMMARY...Initial high-based updrafts developing over the Sangre De
Cristos and Raton Mesa should gradually intensify as the atmosphere
continues to destabilize. Isolated supercells with hail are the
primary hazard. Uncertainty remains regarding storm coverage and
intensity but a watch is possible.

DISCUSSION...As of 1810 UTC, regional visible ....... more