Alert archive / New Hampshire / Snow Squall Warnings in 2020
Snow Squall Warning 2, NWS Gray, ME
NWS Gray, ME issued this snow squall warning at Jan 8, 2020, 5:13 PM EST for York County, Maine; 4 counties in New Hampshire. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 8, 2020, 5:13 PM EST (22:13 UTC)
- Expired
- Jan 8, 2020, 6:00 PM EST
- In force
- 47 min
- Issued by
- NWS Gray, ME
- Area
- Storm-based polygon
Counties York County, ME, Belknap County, NH, Merrimack County, NH, Rockingham County, NH, Strafford County, NH
The radar
The Portland,ME radar (KGYX), 99 km from the middle of the area, began a volume at 22:14 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Chatham, MA (KCHH), launched 12:00Z, 10.2 hours before the alert went out and 207 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 735 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- -38 m²/s²
- 0-3 km storm-relative helicity
- -10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Gray, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 8, 2:42 AM EST | Small Craft Advisory | GYX | 35 hr | |
| Jan 8, 4:54 PM EST | Special Weather Statement | GYX | York | 36 min |
| Jan 8, 5:56 PM EST | Snow Squall Warning | GYX | York | 64 min |
| Jan 8, 6:05 PM EST | Special Weather Statement | GYX | York | 40 min |
| Jan 8, 1:52 PM EST | Special Weather Statement | GYX | Cheshire | 38 min |
| Jan 8, 2:30 PM EST | Special Weather Statement | GYX | Hillsborough | 45 min |
| Jan 8, 2:34 PM EST | Special Weather Statement | GYX | Carroll | 41 min |
| Jan 8, 3:04 PM EST | Special Weather Statement | GYX | Rockingham | 26 min |
| Jan 8, 3:09 PM EST | Special Weather Statement | GYX | Carroll | 51 min |
| Jan 8, 3:17 PM EST | Special Weather Statement | GYX | Grafton | 13 min |
| Jan 8, 3:29 PM EST | Special Weather Statement | GYX | Sullivan | 46 min |
| Jan 8, 3:39 PM EST | Special Weather Statement | GYX | Carroll | 51 min |
| Jan 8, 3:42 PM EST | Special Weather Statement | GYX | Belknap | 48 min |
| Jan 8, 3:46 PM EST | Special Weather Statement | GYX | Rockingham | 29 min |
| Jan 8, 4:00 PM EST | Special Weather Statement | GYX | Belknap, Carroll, Merrimack | 45 min |
| Jan 8, 4:25 PM EST | Snow Squall Warning | GYX | Belknap, Merrimack, Rockingham, Strafford | 50 min |
| Jan 8, 4:42 PM EST | Special Weather Statement | GYX | Carroll | 18 min |
| Jan 8, 4:45 PM EST | Special Weather Statement | GYX | Grafton | 45 min |
| Jan 8, 5:27 PM EST | Special Weather Statement | GYX | Belknap, Carroll | 48 min |
Nearby
Snow Squall Warnings in New Hampshire, 2020Snow Squall Warnings in Maine, 2020Every snow squall warning in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.