Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
346 AM EDT Tue May 28 2024

Valid 12Z Tue May 28 2024 - 12Z Thu May 30 2024

...Numerous strong to severe thunderstorms and areas of flash flooding
likely across portions of northern and central Texas today...

...Unsettled weather with thunderstorms and heavy rain possible over the
northern Great Basin/Rockies today before shifting into the northern High
Plains on Wednesday...

...Sweltering heat continues across parts of South Texas and southern
Florida...

The Lone Star State will be the focus for active weather today as strong
thunderstorms develop along a southern High Plains dryline and lingering
stationary front. Ample atmospheric moisture content and instability will
support the likelihood of storms containing significant damaging wind
gusts and very large hail. Ongoing thunderstorms along the Red River
Valley of the South are expected to continue through the morning hours
before numerous additional storms form across western and north-central
Texas by the afternoon. Merging cells and clusters of storms are also
likely to contain intense rainfall rates capable of triggering several
flash floods, particularly for areas just west of Dallas-Fort Worth and
north of Austin. The threat of scattered flash flooding and severe
thunderstorms includes a much larger region extending from the Texas
Panhandle to the western Gulf Coast. For the overnight timeframe, heavy
rain and severe weather chances are forecast to gradually decrease and
slide eastward within Texas. Residents and visitors are reminded to remain
weather aware, have numerous ways to receive warnings and never drive
across flooded roadways.

A cold front progressing across the Northwest, northern Great Basin, and
northern Rockies today will provide enough forcing to produce the
potential for scattered severe thunderstorms capable of containing
damaging wind gusts for parts of northeast Oregon, northern/central Idaho,
and western Montana. A few storms may also produce heavy rain and isolated
flash flooding. This area of unsettled weather is expected to swing
eastward by midweek and enter the north-central High Plains before an
expanding area of storminess returns to the central/southern Plains on
Thursday.

Elsewhere, cold air advection on the southwestern periphery of an eastern
Canada low pressure system will produce scattered areas of showers and
storms over the next few days from the Great Lakes and Upper Midwest to
the Ohio Valley, Mid-Atlantic, and Northeast. A few storms could contain
hail and brief damaging winds today from southern Wisconsin to northern
Illinois and northwest Indiana.

The heat plaguing much of the Gulf Coast and southern Texas is finally
abating, but will linger across parts of southern Texas today with heat
indices up to 115 degrees. High temperatures are also expected to remain
above average and near daily record highs throughout the central and
southern Florida Peninsula over the next few days.

Snell

Graphics available at
https://www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php