Winter '21 / '22 - Snow Storm #2: Preliminary STP Verification

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

HYA
6- and 7-group precipitation data not carried in METARS.

---
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.

---
Stations observing >= Trace:  24 (89%)
Given stations with measurable snowfall ... stations observing at least:
4" - 5 (19%)
6" - 3 (11%)
8" - 2 (7%)
10" - 1 (4%)

Max snow melt-water (minimum SLR 10:1)
BGM:  1.18"
BTV:  0.57"

Max precipitation (frozen + freezing + liquid):
ORF:  1.97"
EWR:  1.87"
ISP:  1.60"

---
New daily record(s)
16-JAN-22
DCA - 2.6" (2.2"; 1965)

17-JAN-22
BTV - 8.1" (8"; 1909)

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

---

Storm total snowfall
Image courtesy NOHRSC

---

SFC analysis:  12z ... MON ... 17-JAN-22
Image courtesy DOC / NOAA / NWS / NCEP / WPC

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