Sig Silber

Updated at 3:35 p.m. Tuesday, February 28, 2023

Here is what we are paying attention to in the next 48 to 72 hours. The article also includes weather maps for longer-term outlooks and a five-day World weather forecast.

We start with the U.S. Information.

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
235 PM EST Tue Feb 28 2023

Valid 00Z Wed Mar 01 2023 – 00Z Fri Mar 03 2023

…Additional Heavy Snows through the Sierra and into the mountains of
Southern California tonight into Wednesday and across the Southwest
Wednesday into Thursday and across portions of the Southern to Central
High Plains on Thursday…

…Record Cold across Central to Southern California Wednesday…

…Record Warmth from the Gulf Coast into the Ohio Valley Wednesday and
along the Gulf Coast on Thursday…

…Heavy rains, isolated flash flooding and severe thunderstorms possible
late Wednesday night into early Thursday from the Lower Mississippi Valley
into the Tennessee Valley…

…Critical Fire weather risk across the Southern High Plains…

…Snows diminish across New England tonight, while heavy snows develop
across the Northern Plains, Upper Mississippi Valley/Upper Lakes region
Tuesday night into Wednesday…

Updated at 3:24 p.m. EST Monday February 27, 2023

Here is what we are paying attention to in the next 48 to 72 hours. The article also includes weather maps for longer-term outlooks and a five-day World weather forecast.

We start with the U.S. Information.

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
249 PM EST Mon Feb 27 2023

Valid 00Z Tue Feb 28 2023 – 00Z Thu Mar 02 2023

…Heavy snow to impact parts of the Northeast tonight into Tuesday…

…Several rounds of heavy snow and strong winds to create extremely
dangerous travel conditions across the Sierra Nevada…

…Swath of moderate to locally heavy snow possible across the northern
Plains Tuesday through Wednesday morning…

…Threat of excessive rainfall increases over portions of the Tennessee
Valley on Wednesday…

Updated at 3:14 p.m. Sunday, February 26, 2023

Here is what we are paying attention to in the next 48 to 72 hours. The article also includes weather maps for longer-term outlooks and a five-day World weather forecast.

We start with the U.S. Information.

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
302 PM EST Sun Feb 26 2023

Valid 00Z Mon Feb 27 2023 – 00Z Wed Mar 01 2023

…Heavy snow over the Cascades and Sierra Nevada Mountains…

…Snow and rain/freezing rain over parts of the Upper Midwest into the
Northeast…

…There is a Moderate Risk of severe thunderstorms over parts of the
Southern Plains on Sunday and a Slight Risk over the Ohio Valley on
Monday…

…High Wind Warnings and High Wind Advisories from the Southern
Rockies/High Plains to the Ohio/Tennessee Valleys, and the
Central/Southern Appalachians…

Updated at 1:51 p.m. February 25, 2023

Here is what we are paying attention to in the next 48 to 72 hours. The article also includes weather maps for longer-term outlooks and a five-day World weather forecast.

We start with the U.S. Information.

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
328 PM EST Sat Feb 25 2023

Valid 00Z Sun Feb 26 2023 – 00Z Tue Feb 28 2023

…There is a Slight Risk of excessive rainfall over parts of Southern
California…

…Heavy snow over the Cascades and Sierra Nevada Mountains…

…Snow and rain/freezing rain over parts of the Upper Midwest…

…There is a Moderate Risk of severe thunderstorms over parts of the
Southern Plains on Sunday…

Updated at 3:30 p.m. EST Friday, February 24, 2023

Here is what we are paying attention to in the next 48 to 72 hours. The article also includes weather maps for longer-term outlooks and a five-day World weather forecast.

We start with the U.S. Information.

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
300 AM EST Fri Feb 24 2023

Valid 12Z Fri Feb 24 2023 – 12Z Sun Feb 26 2023

…An unusually cold and slow-moving winter storm to bring very heavy
snowfall and strong winds to California and adjacent areas of the West
through Saturday…

…Heavy rainfall and flooding will be possible for parts of southern
California…

…Heavy snow possible for Northwest mountains later this weekend…

…Temperatures to remain above normal in the East this weekend…

Updated at 1:05 p.m. Thursday, February 23, 2023

Here is what we are paying attention to in the next 48 to 72 hours. The article also includes weather maps for longer-term outlooks and a five-day World weather forecast.

We start with the U.S. Information.

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
300 PM EST Thu Feb 23 2023

Valid 00Z Fri Feb 24 2023 – 00Z Sun Feb 26 2023

…Snow and ice to gradually taper down over the Northeast on Friday…

…An unusually cold and slow-moving winter storm to bring very heavy
snowfall and strong winds to California and adjacent areas of the West
through Friday and into the start of the weekend…

…Heavy rainfall and flooding will be possible for parts of southern
California…

…Record-breaking warmth over the East to come to an end, but
temperatures to remain above normal this weekend…

Here is what we are paying attention to in the next 48 to 72 hours. The article also includes weather maps for longer-term outlooks and a five-day World weather forecast.

We start with the U.S. Information.

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
259 PM EST Tue Feb 21 2023

Valid 00Z Wed Feb 22 2023 – 00Z Fri Feb 24 2023

…A major winter storm is expected to deliver a large swath of heavy snow
from the West Coast to the Northeast through Thursday; freezing rain from
the upper Midwest through the lower Great Lakes into Nee England…

…Widespread very strong, gusty winds expected across the West and
adjacent High Plains…

…Heavy rain with the potential for scattered flash flooding and severe
weather for the Midwest and Plains Wednesday…

…Widespread record-breaking warmth expected in the East and much below
average cold in the West through mid-week…

Updated at 3:20 p.m. EST Monday, February 20, 2023

Here is what we are paying attention to in the next 48 to 72 hours. The article also includes weather maps for longer-term outlooks and a five-day World weather forecast.

We start with the U.S. Information.

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
300 PM EST Mon Feb 20 2023

Valid 00Z Tue Feb 21 2023 – 00Z Thu Feb 23 2023

…A major winter storm will spread a large swath of heavy snow from the
West Coast to the Northeast through Thursday…

…Clipper system to bring light to moderate snow to the Upper Midwest,
Great Lakes and interior Northeast…

…Widespread record breaking cold in the West and record breaking warmth
in the East are possible on Wednesday and Thursday…