Thursday, January 31, 2019

Winter '18 / '19 - Snow Storm #3: Preliminary STP Verification

Preliminary storm-total snowfalls for TUE and WED from CDUS41 (CLI) ... CXUS51 (CF6) ... and PNS bulletins.

Good coverage and reporting with exceptions at BDR and MDT.

BDR
No snowfall report carried in 30-JAN CLI or F6 bulletins.
METARs reported brief burst of heavy snow with late-day Arctic FROPA.
JFK and ISP observed 0.2" around the same time.
Final STP may be revised from reported value if update issued by WFO OKX.

MDT
No snowfall report carried in 30-JAN CLI or F6 bulletins.
METARs reported brief period of moderate snow with mid-day Arctic FROPA.
Final STP may be revised from reported value if update issued by WFO CTP.

HYA
Trace STP based on METAR analysis and the lack of spotter reports in PNSBOX.

---
Stations observing at least Trace - 24 (89%)
Given stations having a measurable snowfall ... stations observing at least:
4" - 8 (33%)
6" - 2 (8%)
8" - 0 (0%)

No new daily records


Image courtesy NOHRSC

SFC analysis:  06z ... 30-JAN-19

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

4 comments:

Unknown said...

Not seeing a table with this post. ??

TQ said...

HA! You're right. A little off my game. Home sick today. I'm on it now.

Unknown said...

get well soon ... I see the table now ... MDT climat report for 30th says trace. sounds like it should say more from what you've mentioned. -- RS

TQ said...

I looked at the METARs on the 30th. Didn't think much if anything of them. The wind was blowing so hard ... don't see how a few tenths of an inch could even be measured. Nothing ended up in the tipping bucket (P-group or 6-group).