Sunday, March 5, 2023

Winter '22 / '23 - Snow Storm #3: Preliminary STP Verification

NYC
Harlem - 148th St. (FEB-61)
Preliminary verification of storm-total snowfalls for FRI and SAT based on reporting from CDUS41 (CLI) ... CXUS51 (CF6) ... METARs ... and PNS bulletins issued by NWS.

Excellent coverage and reporting.

HYA
Trace retrieved from 041856z METAR

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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Stations observing >= Trace:  16 (59%)
Stations observing > Trace:  11 (41%)

Given a station had measurable snowfall; stations observing at least:
4" - 6 (22%)
6" - 4 (15%)
8" - 1 (4%)

MAX snow melt-water (minimum SLR 8:1)
CON - 0.89"
BTV - 0.68"
BGR - 0.27"

MAX precipitation (frozen + freezing + liquid)
EWR - 1.49"
MDT - 1.42"
ABE - 1.36

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New daily snowfall record(s)
none

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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.
Click to enlarge.

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Areal distribution of storm-total snowfall

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

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SFC analysis:  18z ... 04-MAR-23

Image courtesy DOC / NOAA / NWS / NCEP / WPC
https://www.wpc.ncep.noaa.gov/html/sfc-zoom.php

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


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