Winter Storm Diaz Event Summary
Storm Summary Number 15 for Coast-to-Coast Winter Storm System
NWS Weather Prediction Center College Park MD
1000 AM EST Sun Dec 18 2022
...Snow showers and lake enhanced snows continue over the Great
Lakes through portions of New England...
Winter Storm Warnings are in effect over northeastern Maine.
Lake Effect Snow Warnings are in effect for downwind portions of
Lake Erie and Lake Ontario.
Winter Weather Advisories are in effect for areas downwind of Lake
Michigan and in the Adirondack Mountains.
For a detailed graphical depiction of the latest watches, warnings
and advisories, please see www.weather.gov
At 900 AM EST...Spotty snow showers and some locally heavy
lake-enhanced snow continue to rotate around a weakening,
vertically-stacked 1003 mb low over eastern Ontario. Radar imagery
shows that the heaviest snowfall is confined to downwind areas of
Lakes Michigan, Erie, and Ontario within well defined lake-effect
snow bands. Elsewhere, moderate snowfall is noted over portions of
eastern Maine, and is quickly making its way toward Maritime
Canada.
...Selected preliminary Storm Total Snowfall in inches from 700 AM
EST Sun Dec 11 through 900 AM EST Sun Dec 18...
...MAINE...
LOCKE MILLS 2 NW 26.0
RUMFORD 3 SSW 26.0
MADRID 6 WNW 24.0
STRATTON 21.0
ACTON 5 NNW 18.0
BRIDGTON 18.0
PORTER 3 NE 18.0
KINGFIELD 2 WSW 17.8
SHIN POND 3 SSE 11.2
CARROLL 2 NNE 11.0
HOULTON 1 S 11.0
HUDSON 10.0
PRESQUE ISLE 8.1
CARIBOU 1 N 6.6
GRAY 1 NNE 6.3
SANFORD 2 SSE 6.0
...MICHIGAN...
VICKERYVILLE 2 SSW 13.5
GRANDVILLE 1 WSW 12.6
SCOTTVILLE 11.0
THREE LAKES 10.7
NATIONAL MINE 5 SW 6.7
...NEW YORK...
HAMBURG 1.9 NNW 12.4
...Selected preliminary Peak Wind gusts in miles per hour earlier
in the event...
...CALIFORNIA...
HEAVENLY SKI SUMMIT 1 NNW 103
MAMMOTH MOUNTAIN SKI 98
WALKER 4 SSW 93
ANTELOPE LAKE 5 NNW 92
AGUA DULCE 6 NE 89
CRESTLINE 2 NNE 84
BIG PINES 4 NNW 80
SAN LUIS OBISPO 4 NE 80
LYTLE CREEK 7 NNE 77
FT DICK 5 SE 60
KNEELAND 2 ESE 57
HIGHLANDS 1 SW 40
...COLORADO...
HOLYOKE 8 S 63
BURLINGTON 4 S 62
BUCKEYE 3 ESE 59
VIRGINIA DALE 57
...KANSAS...
RUSSELL AIRPORT 62
GOODLAND 1 NE 60
ATWOOD 2 N 51
...MICHIGAN...
MACKINAW CITY 57
ROSCOMMON COUNTY APT 54
TRAVERSE CITY 45
SAULT STE MARIE 40
...MONTANA...
BIG SKY 6 WSW 67
EMIGRANT 10.7 W 66
LIVINGSTON 2 WSW 63
LIMA 4 NE 57
...NEVADA...
WASHOE CITY 4 NNW 76
GREAT BASIN NP 3 WSW 75
MT. CHARLESTON 6 NE 75
STEAD 2 WSW 73
SPARKS 3 SSW 66
GARDENVILLE RANCH 3 WSW 65
...NEW MEXICO...
BINGHAM 10 S 67
VAUGHN 11 SE 66
BOSQUE DEL APACHE 21 SE 64
CLINES CORNERS 1 S 59
...NORTH DAKOTA...
MUD BUTTE 1 ENE 58
BOX ELDER 1 W 57
WITTEN 4 SSE 53
...OREGON...
PILOT ROCK 9 S 80
TALENT 2 NE 50
...SOUTH DAKOTA...
SCENIC 3 NNW 57
RAPID CITY APT 56
LEAD 1 E 55
MISSION 15 SSE 54
BUFFALO 1 N 52
...UTAH...
LOFTY LAKE PEAK 81
CENTRAL WASATCH PEAKS 79
REYNOLDS PEAK 75
SIGNAL PEAK 69
CEDAR CITY 62
MONUMENT PEAK 60
...Selected preliminary Storm Total Snowfall in inches where the
event has ended...
...ARIZONA...
MORENCI 46 N 13.0
THATCHER 12 SW 12.0
MORMON LAKE 10.0
FOREST LAKES 9.0
GREER 6 WSW 8.0
NWS FLAGSTAFF 5.6
PRESCOTT 3.0
...CALIFORNIA...
SIERRA AT TAHOE 70.0
SODA SPRINGS 2 ENE 60.0
TWIN BRIDGES 2 ESE 48.0
TAHOE-DONNER 46.0
PALISADES TAHOE SKI BASE 44.0
PINECREST 2 E 39.0
MAMMOTH MOUNTAIN SKI BASE 30.0
ASPENDELL 24.5
MT. SHASTA SKI PARK 21.0
WEED 2 SSW 18.0
CARRVILLE 14 N 10.0
...COLORADO...
DOUGLAS PASS 14.5
ILIFF 10.0
STONER 5 E 10.0
COAL BANK PASS 9.0
SILVERTON .3 WSW 3.5
DURANGO 1 SSW 3.0
...CONNECTICUT...
CANAAN 1 SSE 6.2
GRANBY 1 WNW 6.0
...IDAHO...
KETCHUM 1 SSE 36.0
SUN VALLEY 2 SW 26.3
HAILEY 1 WNW 20.4
BELLEVUE 18.8
FEATHERVILLE 14.0
HOWE 13.5
BOISE 16 NNE 13.0
DOVER 2 WNW 10.2
...KANSAS...
MCDONALD 5 SE 1.5
SAINT FRANCIS 1.0
...MASSACHUSETTS...
SAVOY 18.8
FLORIDA 18.0
BLANDFORD 14.0
ROWE 13.0
PLAINFIELD 2.2 SW 12.3
CHESTER 1 SE 12.0
HAWLEY 9.0
...MINNESOTA...
FINLAND 29.0
TWO HARBORS 7 NNW 28.2
DULUTH 3 NNE 28.0
WALES 7 SSE 28.0
HERMANT 3 NE 24.2
CHISHOLM 24.0
PROCTOR 3 WSW 20.0
TWIG 3 ESE 19.5
...MONTANA...
BROADUS 14 SSE 14.0
ASHLAND 11.0
RED LODGE 1 S 6.0
EKALAKA 4.5
GREAT FALLS 2 WNW 4.0
PLEVNA 4.0
DIXON 3.0
MISSOULA 4.4 W 3.0
...NEBRASKA...
CHADRON 14 NE 24.0
MERRITT RESERVOIR DAM 22.0
VALENTINE 4 N 17.0
HAY SPRINGS 15.0
LISCO 13.0
ALLIANCE 12.0
RUSHVILLE 12.0
GORDON 6 NE 7.0
HAIGLER 3.0
...NEVADA...
MT. ROSE SKI BASE 48.0
SKY TAVERN 43.0
DIAMOND PEAK SKI BASE 42.0
INCLINE VILLAGE 1 NNW 38.0
ZEPHYR COVE 30.0
VIRGINIA CITY 3 NNW 21.0
RENO 4 SW 12.0
...NEW HAMPSHIRE...
PINKHAM NOTCH 1 E 31.0
CLAREMONT 2 NE 21.4
NEWPORT 2 NE 20.0
SOUTH TAMWORTH 2 WSW 16.0
ENFIELD 1 NNW 15.0
GOSHEN 14.5
DEERFIELD 1 N 9.0
LEBANON 7.0
...NEW JERSEY...
WEST MILFORD 6 NNE 6.0
HIGH POINT 1 S 4.0
MARKSBORO 1 SSW 3.3
IRONIA 1 ESE 2.5
...NEW MEXICO...
ENSENADA 3 ENE 6.0
MOGOLLON 6 ESE 5.0
PAJARITO MOUNTAIN 1 NNE 4.0
EDGEWOOD 6.1 NW 3.3
...NEW YORK...
STONY CREEK 28.0
KEENE VALLEY 2 NE 24.0
CHERRY VALLEY 16.0
INDIAN LAKE 15.0
NORWICH 13.0
DUANESBURG 10.0
KIAMESHA 1 W 9.8
COPENHAGEN 4 NW 9.7
PORT JERVIS 3 ESE 7.8
ROXBURY 6.0
SYRACUSE 1 SW 6.0
...NORTH DAKOTA...
LISBON 28.4
KATHRYN 26.0
HARVEY 22.0
MANDAN 21.0
SIBLEY 20.0
...OREGON...
REDMOND 8 ESE 10.5
MT. ASHLAND SKI ROAD 8.0
BEND 6.0
LA PINE 5 NNW 5.0
E DIAMOND LAKE SUMMIT 4.0
...PENNSYLVANIA...
FOREST CITY 9.7
ALBA 7.0
MOUNT POCONO 1 NNW 6.5
MOUNT POCONO 1 N 5.6
GILLETT 5.5
PORTLAND 3 WNW 4.2
...SOUTH DAKOTA...
CHEYENNE CROSSING 48.0
DEADWOOD 1 S 48.0
MISSION 34.0
NORRIS 5 ESE 33.7
STURGIS 2 SSE 21.0
VETAL 18.0
INTERIOR 8 SE 15.0
...UTAH...
ALTA 31.0
BRIGHTON 30.0
POWDER MOUNTAIN 13.0
SALT LAKE CITY 13.0
LOGAN 11.0
...VERMONT...
LANDGROVE 26.0
WILMINGTON 26.0
LUDLOW 3 S 25.0
SHREWSBURY 22.5
WINHALL 2 ESE 21.0
ATHENS 6.5
...WASHINGTON...
FORTY-NINE DEGREES NORTH 22.0
LEAVENWORTH 2 SSW 20.5
TROUT LAKE 1 SSW 17.5
MALOTT 7 WNW 17.0
WAUCONDA 12 S 9.0
FIVE MILE 7 NW 8.8
YAKIMA 2 ENE 5.0
...WISCONSIN...
DELTA 4 WNW 25.0
COZY CORNER 20.5
NEW POST 4 NNW 20.2
RED CLIFF 4 WNW 18.7
MAPLE 1 WSW 17.3
WASHBURN 2 NNW 12.0
...WYOMING...
HULETT 4 NW 26.0
BUFFALO 27 WNW 19.0
DEER CREEK 16 SSW 18.0
JACK CREEK CAMPGROUND 2 NW 15.0
RIVERTON 6 WNW 10.6
TETON VILLAGE 3 WNW 6.0
JACKSON 5.3 NW 5.0
LARAMIE 3.5
...Selected preliminary Storm Total Rainfall in inches where the
event has ended...
...CALIFORNIA...
LOS GATOS 7.01
INTERLAKEN 4.4 NE 6.63
HONEYDEW 2 SSE 5.39
FIDDLETOWN 3.5 SE 5.10
VOLCANO 3.7 N 4.87
OJAI 5.9 E 4.76
BUCKS LAKE 1 NW 4.44
BOULDER CREEK 3 NW 4.38
EBBETTS PASS 4.30
CITRUS HEIGHTS 3.73
WOODLAND 3.62
ARNOLD 3.48
STRAWBERRY VALLEY 3.48
LA CRESCENTA-MONTROSE 1.2 SW 3.34
DOWNIEVILLE 3.33
SOUTH PASADENA 0.9 SSW 1.92
...OREGON...
GOLD BEACH 3.00
SELMA 2.33
...Selected preliminary Storm Total Sleet amounts in inches where
the event has ended...
...NEW JERSEY...
TRENTON MERCER AIRPORT 0.10
...PENNSYLVANIA...
MUNCY 1 N 1.00
...VIRGINIA...
LURAY 0.50
ELLISTON 0.30
...Selected preliminary Storm Total Freezing Rain ice amounts in
inches where the event has ended...
...IOWA...
MELVIN 0.25
SANBORN 0.25
LINN GROVE 0.20
HULL 0.13
...MARYLAND...
SABILLASVILLE 2 NNW 0.60
BARTON 0.40
FROSTBURG 2 ENE 0.40
GRANTSVILLE 5 W 0.30
LA VALE 0.25
MCHENRY 0.25
BOONSBORO 2 NNE 0.10
WATERSVILLE 1 N 0.10
DAMASCUS 1 S 0.08
...MINNESOTA...
TROSKY 0.88
PONSFORD 0.50
SLAYTON 0.50
ALEXANDRIA 2 SSW 0.38
WRENSHALL 0.30
VERGAS 0.25
...NEW YORK...
WEST VALLEY 2 NW 0.17
FRANKLINVILLE 0.10
GERRY 0.10
GERRY 1 N 0.10
HOLLAND 3 SSW 0.10
...NORTH DAKOTA...
LITCHVILLE 0.40
BRAMPTON 2 S 0.25
ENGLEVALE 6 N 0.25
...PENNSYLVANIA...
EMPORIUM 0.50
WILPEN 2 NNW 0.30
CLYMER 0.25
ROCKVILLE 2 NE 0.25
SOUTH FORK 0.25
...SOUTH DAKOTA...
ORLAND 3 E 1.00
CLARK 2 E 0.50
PARKER 0.50
WEBSTER 0.5 W 0.50
WILLOW LAKE 0.50
SIOUX FALLS 3 ESE 0.25
MADISON LAKE 0.13
BROOKINGS 1 S 0.10
LENNOX 0.10
ROWENA 4 WNW 0.10
...VIRGINIA...
AFTON 3 NW 0.50
SHERANDO 2 E 0.50
SHERANDO 2E 0.50
GORE 2 ESE 0.40
JEROME 2 ENE 0.30
BENT MOUNTAIN 0.25
STRINGTOWN 1 SSE 0.15
LINDEN 3 W 0.13
...WEST VIRGINIA...
TERRA ALTA 0.50
DEER RUN 2 WSW 0.40
BAYARD 0.30
KITZMILLER 0.30
HARTSMANVILLE 3 N 0.25
MOUNT STORM 0.25
DAVIS 3 SE 0.10
...WISCONSIN...
CHIEF LAKE 5 ENE 0.30
DORCHESTER 0.20
MARSHFIELD 0.20
S PLOVER 0.20
STETSONVILLE 0.10
Scattered snow showers over the Great Lakes region will continue
to dissipate through tonight as the vertically-stacked low
pressure system over the upper Midwest continues to weaken.
However, downwind areas of Lake Michigan, Lake Erie, and Lake
Ontario will see heavy lake effect snows through this weekend as
cold west-northwesterly flow continues on the back side of the
coastal low. Winter Storm Warnings over western Maine will expire
today as the axis of moderate snow makes its way into Canada, with
light additional accumulations expected. Winter Storm Criteria
impacts will remain over eastern interior Maine through Monday
morning. Travel may become dangerous or impossible at times within
heavy lake-effect snow bands. Be sure to refer to WPC or your
local NWS office to access the latest forecasts and learn about
potential impacts to your area.
This will be the last Storm Summary issued by the Weather
Prediction Center for this event. Please refer to your local
National Weather service office for additional information.
Genz/Asherman
Weather summary
for Ontario and the National Capital Region
issued by Environment Canada
at 11:32 a.m. EST Sunday 18 December 2022.
Discussion.
A strong weather system brought a significant snowfall to much of
southern and eastern Ontario Thursday through Saturday.
Total snowfall amounts in centimetres are shown in the table below.
* denotes volunteer such as CoCoRaHS and Cooltap
Location and Total Snowfall Amount in Centimetres
Ottawa AIrport (estimated) 38
Cornwall 35 *
Brighton 33.3 *
Gatineau 30
Ottawa 30 *
Eldorado 28.2 *
Merrickville 27.9 *
Stittsville 26.4 *
Keene (Rice Lake) 24.1 *
Carp 23.9 *
Tapley 23.6 *
Vankleek Hill 22.6 *
Oak Ridges 21 *
Warsaw 20.1 *
Aurora 19 *
Brockville (estimated) 18
Orillia 16 *
Kemptville 14
Aurora 12.4 *
Sudbury Airport (estimated) 12
King City 11.9 *
Deep River 10.4 *
North Bay (estimated) 10
Kingston (estimated) 10
Consecon 9.9 *
Please note that this summary may contain preliminary or unofficial
information and does not constitute a complete or final report.
End/OSPC
Weather summary
for Quebec
issued by Environment Canada
at 11:43 a.m. EST Sunday 18 December 2022.
Discussion.
A low pressure system affected Southern and Western Quebec from
Friday to Sunday.
The following is a summary of total snowfall amounts in centimetres
received by Environment Canada as of 11:00 AM this morning:
Montréal (Airport): 32
Montréal (Downtown): 37
Mirabel (Airport): 25
Joliette: 35
Lachute: 35
L'Assomption: 26
Sorel-Tracy: 32
Gatineau: 31
Longueuil: 33
Saint-Jean-sur-Richelieu: 31
Beloeil: 37
Sainte-Julie: 35
Granby: 21
Saint-Armand: 17
Frelighsburg: 20
Orford: 24
Sherbrooke: 18
Trois-Rivières: 28
Shawinigan: 27
Quebec (Airport): 8
Massif (Charlevoix): 29
Please note that this summary may contain preliminary or unofficial
information and does not constitute a complete or final report.
Weather summary
for New Brunswick
issued by Environment Canada
at 3:18 a.m. AST Tuesday 20 December 2022.
Discussion.
The following area set a daily maximum temperature record on
December 19, 2022:
Charlo Area (Charlo Auto)
New record of 2.3
Old record of 2.1 set in 1996
Records in this area have been kept since 1966
Note: the temperature record reported here has been derived from a
selection of historical stations in this geographic area that were
active during the period of record.
Please note that this summary may contain preliminary or unofficial
information and does not constitute a complete or final report.
End/ASPC
posted by Advackia at 10:40 AM
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