Monday, February 27, 2023

Winter '22 / '23 - Snow Storm #2: The Forecasts!

13th and Market St.
PHL c.1930

Rookie      -
Intern      -
Journey      -
Senior      11
GOVT      1
PWSP      -
TOT      12

 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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Heaviest snowfall (+4") consensus along and to the right of PWM - CON - PVD - ORH - BDL - BGM - ALB - PWM.  Lollypop expected at ALB.

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Teleconnections


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Everyone/s station-by-station forecast at the Contest/s web site.
Direct link to the forecast table.

Sunday, February 26, 2023

Winter '22 / '23 - Snow Storm #2: RAW Forecasts

US-13 to Penny Hill
New Castle DE (1922)

 Click through on "Read more" link to see the RAW forecasts.

Saturday, February 25, 2023

Winter '22 / '23 - Snow Storm #2: Call for Forecasts!

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.

Thursday, February 2, 2023

Winter '22 / '23 - 'Season-total' Snowfall Forecast Contest: JAN Snowfall Totals

NYC
Washington Square (1954)
JAN-23 snowfall summary by forecast station.

Rank ordered descending by percent of monthly period-of-record-normal (P-O-R-N).

Green ==> 4th quartile
White ==> less than 4th and greater than 1st quartile (inter-quartile range)
Red ==> 1st quartile

'Obs' reporting 0.05 denote 'Trace' amounts (observed but not measurable)

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JAN Forecast Station Highlights
5 stations at or above normal monthly snowfall.
CAR ... CON ... BGR ... PWM ... BTV

Biggest Losers
16 stations with less then half their normal monthly snowfall.
ORF got skunked.

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Season-Total-to-Date
JAN  P-O-R-N contributes 279" (30%) toward the season-total snowfall (D-J-F-M) of 934".
JAN-23 observed snowfall:  191" (68% of monthly P-O-R-N; 20% of season-total snowfall)

Images courtesy NOHRSC @ http://www.nohrsc.noaa.gov/nsa/

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Teleconnections

AO / NAO / PNA data
https://www.cpc.ncep.noaa.gov/products/precip/CWlink/pna/ norm.daily.ao.nao.pna.aao.gdas.120days.csv

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DEC snowfall totals:
http://newxsfc.blogspot.com/2023/01/winter-22-23-season-total-snowfall.html