Winter '21 / '22 - Snow Storm #4: Preliminary STP Verification

Franklin ... NJ (FEB-1923)

Preliminary verification of storm-total snowfalls for THU through SAT from CDUS41 (CLI) ... CXUS51 (CF6) ... METARs ... and PNS bulletins.  Excellent coverage and reporting.

HYA
STP estimated from NOHRSC reports using inverse distance weighting of vicinity reports.

Liquid equivalents recovered from METARS for several stations with missing climate bulletin data.

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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:  23 (85%)
Given stations had measurable snowfall ... stations observing at least:
4" - 4 (15%)
8" - 3 (11%)
12" - 3 (11%)

Max snow melt-water (minimum SLR 10:1)
BTV - 1.02"
BGR - 0.79"
CAR - 0.76"

Max precipitation (frozen + freezing + liquid):
ABE - 2.230"
ORH - 2.22"
CON - 2.20"

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New daily record(s)
03-FEB-22
BTV - 6.5" (6.2"; 1910)

04-FEB-22
BGR - 11.4" (9.6"; 1990)

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

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Storm total snowfall
Image courtesy NOHRSC

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SFC analysis:  06z ... 04-FEB-22
Image courtesy DOC / NOAA / NWS / NCEP / WPC

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