Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
459 PM EDT Wed Jul 30 2014
Valid 00Z Thu Jul 31 2014 - 00Z Sat Aug 02 2014
...Heavy rains are expected to move eastward into the Mid-Mississippi
Valley during the next couple of days...
...Pleasantly cool weather is expected to continue across the eastern half
of the Nation for the next couple of days...
An upper-level impulse that moved off the central Rockies has been a
triggering mechanism for heavy rains and thunderstorms across Oklahoma
today. This area of heavy rain is expected to move steadily to the
east-southeast ahead of a surface frontal low pressure system. The rain
can be heavy enough to cause areas of flash flooding tonight into tomorrow
in the south-central Plains. By Friday morning, as the system reaches the
lower Mississippi Valley, the intensity of the rain is expected to
An anomalous deep trough continues to dominate the weather over the
eastern half of the Nation, providing unusually cool temperatures over a
large portion of the country east of the Continental Divide for the middle
of summer. The Great Lakes will again see low temperatures as cold as the
mid-40's in the middle of summer along with scattered showers and
thunderstorms, some of which can be lake-enhanced! Typical summer heat
and humidity will be confined to the Texas Gulf Coast and southern and
Meanwhile, heat is expected to persist from the Intermountain West
eastward into Montana under an upper-level ridge. Farther
south...monsoonal moisture will continue to fuel scattered showers and
thunderstorms over the Great Basin and into central and southern Rockies.
Typical summer heat will continue across the Desert Southwest.
Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_wbg.php