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KF5JRV > WX 31.05.17 12:46l 48 Lines 2414 Bytes #999 (0) @ USA
BID : 16620_KF5JRV
Read: GUEST
Subj: NWS USA WX Forecast 5/31
Path: IW8PGT<CX2SA<N9PMO<NS2B<KF5JRV
Sent: 170531/1132Z 16620@KF5JRV.#NWAR.AR.USA.NA BPQK6.0.13
Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
242 AM EDT Wed May 31 2017
Valid 12Z Wed May 31 2017 - 12Z Fri Jun 02 2017
...Severe thunderstorms possible for portions of the Northeast and the
central plains today...
...Above average temperatures expected for the northern Great Basin and
northern Rockies
A cold front will move across the lower Great Lakes this morning, reaching
the northeastern U.S. by this afternoon. Ahead of the front, showers and
thunderstorms are expected. Severe thunderstorms are possible across
portions of the Northeast this afternoon, per the latest Day 1 Convective
Outlook from the SPC. Scattered showers and storms will also be possible
farther south, across the Appalachians and the Mid-Atlantic ahead of the
front. Drier and somewhat cooler conditions will prevail by Thursday
across the Mid-Atlantic and Northeast as the cold front moves offshore.
The trailing end of this cold front, stationary across the central plains
today, will result in the potential for an area of showers and
thunderstorms late this afternoon into tonight from the central plains to
the mid-Mississippi valley. Some storms could be severe in this area as
well. Farther south, another stationary front, this one quickly weakening,
will still provide a focus for scattered areas of showers and
thunderstorms today and Thursday from Texas to the Southeast, with locally
heavy rain possible.
An upper-level ridge that has been prevalent along the West Coast the past
few days is beginning to shift east, and will continue to do so through
the next couple days. The above average temperatures experienced in the
Northwest the past few days will shift east to the northern Great Basin
and northern Rockies today, with high temperatures expected to rise well
into the 80s to near 90 for many areas. These temperatures are 10 to 20
degrees above average. By Thursday, these temperatures will continue the
eastward migration, reaching the northern High Plains. In the Pacific
Northwest, an upper-level trough overhead will result in cooler
temperatures today; and the arrival of a Pacific cold front Wednesday
night will cool temperatures further (to near or slightly below
climatologic norms) as well as bring the potential for a few areas of
showers and thunderstorms later today into Thursday.
Ryan
Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php
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