Alert archive / Massachusetts / Flood Watches in 2023
Flood Watch 16, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flood watch at Dec 16, 2023, 2:11 PM EST for 7 counties in Massachusetts; Kent County, Providence County, Rhode Island; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut. It took effect at Dec 17, 2023, 7:00 PM EST. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- Dec 16, 2023, 2:11 PM EST (19:11 UTC)
- In effect from
- Dec 17, 2023, 7:00 PM EST
- Expired
- Dec 18, 2023, 6:34 PM EST
- In force
- 24 hr
- Issued by
- NWS Boston/Norton, MA
- Flood severity
- None
Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT, Bristol County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Norfolk County, MA, Worcester County, MA, Kent County, RI, Providence County, RI
The radar
The Boston radar (KBOX), 67 km from the middle of the area, began a volume at 19:15 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, 7.2 hours before the alert went out and 170 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
- 889 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -78 m²/s²
- 0-3 km storm-relative helicity
- -73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flood 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 flood watch went out at Dec 16, 12:55 PM EST, 1 hour 16 minutes earlier.
Area forecast discussion, Dec 16, 12:55 PM EST, 1 hour 16 minutes before
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</html>The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 16, 4:07 AM EST | Storm Watch | BOX | 23 hr | |
| Dec 16, 4:10 AM EST | High Wind Watch | BOX | Barnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 2 more | 23 hr |
| Dec 16, 2:14 PM EST | Coastal Flood Watch | BOX | Bristol, Kent, Newport, Providence, Washington | 24 hr |
Nearby
Flood Watches in Massachusetts, 2023Flood Watches in Rhode Island, 2023Flood Watches in Connecticut, 2023Every flood watch in 2023
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.