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KF5JRV > WX 02.05.21 01:27l 63 Lines 2903 Bytes #999 (0) @ USBBS
BID : 14405_KF5JRV
Read: GUEST
Subj: NWS USA WX Forecast - May 01
Path: IZ3LSV<IQ2LB<IK1NHL<CX2SA<VK2DOT<VK4TUB<NA7KR<ZL2BAU<GB7YEW<AB0AF<
W0ARP<KF5JRV
Sent: 210501/1135Z 14405@KF5JRV.#NWAR.AR.USA.NA BPQ6.0.20
Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
333 AM EDT Sat May 01 2021
Valid 12Z Sat May 01 2021 - 12Z Mon May 03 2021
...Heavy rain and flash flooding to continue across south-central and
southeast Texas before shifting into the lower Mississippi Valley along
with the threat of severe weather on Sunday...
...Summer-like heat across the northern/central Plains today will be
followed by late-season wet snow over the northern Rockies late this
weekend...
Wet and stormy weather is set to continue across parts of southeast Texas
for the first day of May. A slow moving closed upper-level low combined
with a stalled frontal boundary will remain the focus for showers and
thunderstorms today across the Lone Star State. As a warm front slowly
begins to lift north this evening, heavy rain is expected to finally start
shifting out of south-central/southeast Texas. Rain will then reach the
lower Mississippi Valley by Sunday morning. Total additional rainfall
amounts are expected to reach up to 4 inches along the middle/upper Texas
Coast, as well as into portions of central Louisiana. Flash flooding will
remain a concern over the next few days due to downpours occurring over
areas that have already seen over 2 inches of rain over the last 24 hours.
WPC has issued a Slight Risk of Excessive Rainfall for today across
central and southeast Texas, as well as tomorrow for central Louisiana.
Flash Flood Watches also remain in effect. A few thunderstorms may turn
severe across the aforementioned regions today, with greater chances for
severe thunderstorms across the lower Mississippi Valley on Sunday. The
Storm Prediction Center has issued a Slight Risk of severe weather for
Sunday that includes most of Mississippi, Louisiana, and far southeast
Texas.
Elsewhere in the U.S., an unseasonably cold airmass has settled in across
the eastern third of the country behind a departing cold front. Frost
Advisories and Freeze Warnings are in effect from eastern Kentucky to
northwest Pennsylvania this morning. Temperatures will be quick to rebound
to more typical May standards on Sunday. On the flip side, the northern
and central Plains will experience summer-like heat today ahead of an
approaching cold front. High temperatures are forecast to soar into the
low 90s throughout much of Nebraska. A few new daily high temperature
records could be set as a result. By Sunday, the approaching frontal
boundary will cool things down and produce scattered showers and
thunderstorms from the central High Plains to the Upper Great Lakes. Rain
is likely to changeover to snow across the Central Rockies Sunday night,
where accumulations are expected to add up to over 6 inches in the highest
terrain.
Snell
Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php
73 de Scott KF5JRV
Pmail: KF5JRV@KF5JRV.#NWAR.AR.USA.NA
Email KF5JRV@gmail.com
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