Winter '22 / '23 - Snow Storm #2: Preliminary STP Verifications

NYC
3rd Ave (1947)

Preliminary verification of storm-total snowfalls for MON thru WED based on reporting found in CDUS41 (CLI) ... CXUS51 (CF6) ... METARs ... and PNS bulletins issued by NWS.

Excellent coverage and reporting.

HYA
1.8" derived from inverse distance weighting technique applied to vicinity reports carried by BOXPNS.

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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Stations observing >= Trace:  19 (70%)
Stations observing > Trace:  17 (63%)

Given stations had measurable snowfall; stations observing at least:
4" - 8 (30%)
6" - 1 (4%)

MAX snow melt-water (minimum SLR 8:1)
BDL - 0.72"
PWM - 0.70"
PVD - 0.63"

MAX precipitation (frozen + freezing + liquid)
ACY - 0.75"
BDL - 0.72"
PWM - 0.70"

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New daily snowfall record(s)
ISP - 1.8" (1.3"; 1991)
JFK - 1" (0.4"; 1979)

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Daily snowfall data table

Orange cells indicate new daily record.
Trace amounts (displayed as 0.05") are not included in STP.

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Areal distribution of storm-total snowfall

Image courtesy NOHRSC
https://www.nohrsc.noaa.gov/

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SFC analysis:  06z ... 28-FEB-23
Image courtesy DOC / NOAA / NWS / NCEP / WPC
https://www.wpc.ncep.noaa.gov/html/avnsfc.shtml

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Please report any errors in Comments along with a link to the correct data.
FINAL results expected NLT FRI evening.