Replay · WS20170313
Blizzard of March 13–15, 2017: the story
Mar 13, 18:00 UTC – Mar 16, 00:00 UTC. Radar showing snow and rain, winter warnings, storm reports and the surface low's track from the Weather Prediction Center, in order. NCEI's Northeast Snowfall Impact Scale rates it Category 3, Major (NESIS 5.03), and ranks it 25th on its list.
- 97 NWS warnings
- 5,075 storm reports
- 15 WPC surface-low analyses
- 6 FAA airport programs
- 12 rule-based links
- 325 radar frames, 10 min apart
Chapter 1: First warnings
Mar 13–14
- NWS Binghamton, NY issues the first Blizzard Warning.Replay from here
Chapter 2: The bomb
Mar 14
- The strongest wind reported: 85 mph at Pittsfield Municipal Ai, MA.Replay from here
- Bombogenesis: the low's pressure has fallen 33 mb in 24 hours, to 977 mb.Replay from here
Chapter 3: The snow totals
Mar 15
- The low is at its deepest: 976 mb.Replay from here
- The largest snow report: 42 in at West Winfield, NY.Replay from here
How we link records
| Rule | What it checks | Links |
|---|---|---|
| R4 solid | A storm report inside a warning polygon while it was in effect | 12 |
Solid lines mark rules that passed an independent check; dashed lines are context. Links are rule-based facts: each shows two records that overlap in place and time. How we know
Where this storm's data comes from
Every layer, the provider behind it and the period it covers.
| Layer | Provider | Period | Records |
|---|---|---|---|
| MRMS SeamlessHSR | NOAA/NSSL via Iowa Environmental Mesonet | Mar 13, 18:00 UTC – Mar 16, 00:00 UTC | 325 |
| NWS storm-based warning polygons | NOAA National Weather Service via Iowa Environmental Mesonet | Mar 13, 18:00 UTC – Mar 16, 00:00 UTC | 97 |
| NWS Local Storm Reports | NOAA National Weather Service via Iowa Environmental Mesonet | Mar 13, 18:00 UTC – Mar 16, 00:00 UTC | 5,075 |
| WPC coded surface bulletins | NOAA Weather Prediction Center via Iowa Environmental Mesonet | Mar 13, 18:00 UTC – Mar 16, 00:00 UTC | 15 |
| NOHRSC snowfall | NOAA National Operational Hydrologic Remote Sensing Center | Mar 13, 18:00 UTC – Mar 16, 00:00 UTC | |
| FAA airport programs (ground stops and ground delay programs) | FAA Air Traffic Control System Command Center | Mar 13, 18:00 UTC – Mar 16, 00:00 UTC | 6 |
- Radar: NOAA/NSSL MRMS SeamlessHSR, via the Iowa Environmental Mesonet (IEM), Iowa State University
- Warnings: NOAA/NWS, storm-based polygons via the Iowa Environmental Mesonet
- Storm reports: NOAA/NWS Local Storm Reports via the Iowa Environmental Mesonet
- Storm track: NOAA/NWS Weather Prediction Center coded surface bulletins, via the Iowa Environmental Mesonet
- Airport programs: FAA Air Traffic Control System Command Center
- Filings: U.S. Securities and Exchange Commission EDGAR
- Snowfall: NOAA/NWS National Operational Hydrologic Remote Sensing Center (NOHRSC)
