Alert archive / Massachusetts / Winter Storm Watches in 2015
Winter Storm Watch 5, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this winter storm watch at Feb 6, 2015, 3:22 PM EST for 10 counties in Massachusetts; Bristol County, Kent County, Providence County, Rhode Island; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut. It took effect at Feb 8, 2015, 1:00 AM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 6, 2015, 3:22 PM EST (20:22 UTC)
- In effect from
- Feb 8, 2015, 1:00 AM EST
- Expired
- Feb 7, 2015, 2:55 PM EST
- In force
- Issued by
- NWS Boston/Norton, MA
Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT, Bristol County, MA, Essex County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA, Worcester County, MA, Bristol County, RI, Kent County, RI, Providence County, RI
The radar
The Boston radar (KBOX), 48 km from the middle of the area, began a volume at 20:22 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
Albany, NY (KALY), launched 12:00Z, 8.4 hours before the alert went out and 188 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
- 870 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Boston/Norton, MA wrote its last area forecast discussion before this winter storm watch went out at Feb 6, 12:37 PM EST, 2 hours 45 minutes earlier.
Area forecast discussion, Feb 6, 12:37 PM EST, 2 hours 45 minutes before
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Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 6, 9:06 AM EST | Small Craft Advisory | BOX | 3 hr |
Nearby
Winter Storm Watches in Massachusetts, 2015Winter Storm Watches in Rhode Island, 2015Winter Storm Watches in Connecticut, 2015Every winter storm watch in 2015
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.