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| NYC Harlem - 148th St. (FEB-61) |
KHYA 041856Z 01021G33KT 3SM RA BR OVC008 03/02 A2938 RMK AO2 PK WND 01036/1838 RAE08B52SNB08E37 PRESRR SLP951 P0001 T00280022
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Snow-to-liquid ratio (SLR) not reported for some stations with measurable snowfall b/c significant liquid and / or freezing precipitation also occurred during the verification period.
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| NYC Flat Iron Building (1905) |
SUMSQ: sum of square error (")
SUMSQ Z: Z-score
STP: storm total precipitation error (")
TAE: total absolute error (")
AAE: average absolute error (")
(#): category rank
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Forecast by Observed Snowfall Scatterplots for Top 4 Forecasts
Forecast/s dotted BLUE line below (above) the Observed snowfall/s solid RED line ==> under (over) forecast bias.
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Comparison of Top 4 Forecasts and Observed Snowfall by Station
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Forecast Skill Score (measured against NWS ER WFOs)
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| RIC Washington statue |
BLUE ==> 1st quartile
Heaviest snowfall (+6") consensus along and to the right of BGR - PWM - CON - ORH - ALB - BTV - BGR. Lollypops expected at PWM ... CON ... BTV.
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Teleconnections
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| NYC Central Park (1945) |
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| NYC 3rd Ave (1947) |
Snow-to-liquid ratio (SLR) not reported for some stations with measurable snowfall b/c significant liquid and / or freezing precipitation also occurred during the verification period.
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| DC 08-MAR-84 |
- Follow the top-of-page link from 'Enter Snow Storm Forecast'
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Forecast element: each station/s storm-total snowfall
Deadline for entries: 10:00 PM EST ... THU ... 02-MAR-23
Verification begins: 12:01 AM EST ... FRI ... 03-MAR-23
Verification ends: 11:59 PM EST on the day when flakes stop accumulating.
By entering ... you also get the chance to see how well your forecast stacks up against NWS Eastern Region's Weather Forecast Offices. Turns out they/ve been easy to beat!
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| 13th and Market St. PHL c.1930 |
Forecaster table ranked ascending by storm-total precipitation (STP)
BLUE ==> 1st quartile
RED ==> 4th quartile
WHITE and GREY STP cells range between the 1st and 4th quartile
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Teleconnections
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| US-13 to Penny Hill New Castle DE (1922) |
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| Times Square 26-FEB-1934 |
SAT/s NWP suggests a late winter mid-latitude cyclone crossing the forecast area beginning late in the day on MON could produce more than nuisance snows (>= 4") over more than enough forecast stations for a contest-worthy snow storm.
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- Enter your forecast at the NEWxSFC/s home page at http://www.newx-forecasts.com/
- Follow the top-of-page link from 'Enter Snow Storm Forecast'
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Forecast element: each station/s storm-total snowfall
Deadline for entries: 10:00 PM EST ... SUN ... 26-FEB-23
Verification begins: 12:01 AM EST ... MON ... 27-JAN-23
Verification ends: 11:59 PM EST on the day when flakes stop accumulating.
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| NYC Washington Square (1954) |
Green ==> 4th quartile
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Teleconnections
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