Alert archive / Rhode Island / Coastal Flood Warnings in 2009

Coastal Flood Warning 2, NWS Boston/Norton, MA

December 2, 2009Bristol County, Massachusetts; 5 counties in Rhode Island

NWS Boston/Norton, MA issued this coastal flood warning at Dec 2, 2009, 4:16 PM EST for Bristol County, Massachusetts; 5 counties in Rhode Island. It took effect at Dec 3, 2009, 5:00 AM EST. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Dec 2, 2009, 4:16 PM EST (21:16 UTC)
In effect from: Dec 3, 2009, 5:00 AM EST
Expired: Dec 3, 2009, 10:00 AM EST
In force: 5 hr
Issued by: NWS Boston/Norton, MA

Counties Bristol County, MA, Bristol County, RI, Kent County, RI, Newport County, RI, Providence County, RI, Washington County, RI

The radar

The Boston radar (KBOX), 41 km from the middle of the area, began a volume at 21:19 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

Brookhaven, NY (KOKX), launched 12:00Z, 9.3 hours before the alert went out and 150 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 937 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 190 m²/s²
0-3 km storm-relative helicity: 247 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this coastal flood warning 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 coastal flood warning went out at Dec 2, 3:52 PM EST, 24 minutes earlier.

Area forecast discussion, Dec 2, 3:52 PM EST, 24 minutes before

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Hazardous weather outlook, Dec 2, 4:14 PM EST, 2 minutes before

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The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 2, 4:06 AM EST	Coastal Flood Watch	BOX	Barnstable, Bristol, Dukes, Nantucket, Plymouth	12 hr
Dec 2, 4:16 AM EST	High Wind Watch	BOX	Barnstable, Bristol, Dukes, Essex, Middlesex, Nantucket and 4 more	12 hr
Dec 2, 4:18 AM EST	Gale Warning	BOX		35 hr
Dec 2, 4:16 PM EST	Coastal Flood Advisory	BOX	Barnstable, Bristol, Dukes, Nantucket, Plymouth	20 hr
Dec 2, 4:25 PM EST	High Wind Warning	BOX	Barnstable, Bristol, Dukes, Essex, Middlesex, Nantucket and 3 more	18 hr
Dec 2, 4:25 PM EST	Wind Advisory	BOX	Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more	18 hr

Nearby

Coastal Flood Warnings in Rhode Island, 2009 Coastal Flood Warnings in Massachusetts, 2009 Every coastal flood warning in 2009

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.