Atmospheric Rivers

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
253 PM EST Wed Mar 08 2023

Valid 00Z Thu Mar 09 2023 – 00Z Sat Mar 11 2023

…Multiple day heavy rain and flash flood threat continues across the
Central Plains and Lower Mississippi Valley…

…Threat of heavy rain, flooding, and heavy high-elevation snow will
increase for the West as an Atmospheric River impacts the region
Thursday…

…Moderate to locally heavy snowfall accumulations will spread across the
Northern/Central Plains late Wednesday into the Upper Midwest Thursday…

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
317 PM EST Tue Mar 07 2023

Valid 00Z Wed Mar 08 2023 – 00Z Fri Mar 10 2023

…Multiple day heavy rain and flash flood threat will develop across the
Central Plains and Middle-Mississippi Valley…

…Unsettled conditions across parts of the West will continue through
mid-week with coastal rain and locally heavy snow in California…

…A couple rounds of moderate to locally heavy snowfall accumulations
likely for portions of the Northern/Central Plains and Midwest through
mid-week…

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
300 PM EST Mon Mar 06 2023

Valid 00Z Tue Mar 07 2023 – 00Z Thu Mar 09 2023

…Fast moving storm to bring a narrow stripe of light to moderate snow to
western New York, northern Pennsylvania into northwestern New Jersey late
evening into tonight…

…Multiple day heavy rain and flash flood threat to begin Tuesday night
from northern Texas into Oklahoma, extending eastward into the Mississippi
Valley…

…Unsettled conditions across parts of the West will continue through
mid-week with rain and locally heavy snow…

…Light to moderate snowfall accumulations likely for the Northern Plains
through Wednesday…

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
249 PM EST Sun Mar 05 2023

Valid 00Z Mon Mar 06 2023 – 00Z Wed Mar 08 2023

..Heavy snow and pockets of rain/freezing rain over parts of the Upper
Mississippi Valley and Upper Great Lakes…

…Snow over the higher elevations over the West…

…Elevated and Critical Risk of fire weather over the Southern High
Plains…

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
308 PM EST Sat Mar 04 2023

Valid 00Z Sun Mar 05 2023 – 00Z Tue Mar 07 2023

…Heavy snow over the Sierra Nevada Mountains and Northern Plains into
parts of the Upper Great Lakes…

…Red Flag warnings over the Southern Plains…

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
300 PM EST Fri Mar 03 2023

Valid 00Z Sat Mar 04 2023 – 00Z Mon Mar 06 2023

…Strong storm system to bring heavy snow to interior portions of the
Northeast along with sleet and freezing rain just south of the heaviest
snow tonight …

…Above-average temperatures return to most locations east of the Rocky
Mountains for the weekend while the West remains cold and unsettled…

…Severe thunderstorm and flash flood threats to wind down tonight for
the Ohio and Tennessee Valleys…

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
240 PM EST Thu Mar 02 2023

Valid 00Z Fri Mar 03 2023 – 00Z Sun Mar 05 2023

…A powerful storm to bring multiple hazards from the Southern Plains.
northeastward through the Lower Arkansas Valley, Lower Mississippi Valley,
Ohio Valley, Tennessee Valley, Lower Great Lakes and into New England…

..Record warmth persists across portions of Florida, while record cold
returns to California this weekend…

…Rain and additional heavy mountain snows to return to northern
California on Saturday…

Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
155 PM EST Wed Mar 01 2023

Valid 00Z Thu Mar 02 2023 – 00Z Sat Mar 04 2023

…Relief from stormy weather for California…

…Heavy snows likely across the Southwest into the Southern Rockies…

…Critical Fire weather threat for portions of the Southern High Plains…

…Heavy rains, flash flooding and severe thunderstorm threats stretch
across the Southern Plains, Lower Arkansas Valley, Lower Mississippi
Valley, Tennessee Valley and Ohio Valley…

…Record warmth to continue along the Gulf Coast Thursday and over
Florida on Friday…

…Locally heavy snows for northern New England tonight into Thursday…

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…

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…