Alert archive / Rhode Island / Special Weather Statements in 2021
Special Weather Statement, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this special weather statement at Aug 13, 2021, 2:37 AM EDT for Providence County, Rhode Island. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 13, 2021, 2:37 AM EDT (06:37 UTC)
- Expired
- Aug 13, 2021, 3:15 AM EDT
- In force
- 38 min
- Issued by
- NWS Boston/Norton, MA
- Hail
- 0.00 in
- Wind
- 40
County Providence County, RI
The radar
The Boston radar (KBOX), 44 km from the middle of the area, began a volume at 06:37 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 00:00Z, 6.6 hours before the alert went out and 159 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
- 367 J/kg
- Mixed-layer CIN
- -254 J/kg
- Mixed-layer LCL
- 1626 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 252 m²/s²
- 0-3 km storm-relative helicity
- 277 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
176
WWUS81 KBOX 130637
SPSBOX
Special Weather Statement
National Weather Service Boston/Norton MA
237 AM EDT Fri Aug 13 2021
CTZ003-004-MAZ005-011-012-RIZ001>004-130715-
Tolland CT-Windham CT-Southern Worcester MA-
Central Middlesex County MA-Eastern Hampden MA-
Northwest Providence RI-Western Kent RI-Eastern Kent RI-
Southeast Providence RI-
237 AM EDT Fri Aug 13 2021
...Strong thunderstorms will impact portions of Windham, northeastern
Tolland, southeastern Worcester, south central Middlesex, eastern
Hampden, northern Kent and Providence Counties through 315 AM EDT...
At 237 AM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Union to near Chaplin. Movement was east
at 35 mph.
HAZARD...Winds in excess of 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Providence, Warwick, Cranston, Pawtucket, Woonsocket, Coventry,
Cumberland, North Providence, West Warwick, Johnston, Milford,
Mansfield, Windham, Plainfield, Smithfield, Lincoln, Central Falls,
Killingly, Webster and Southbridge.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4171 7217 4210 7220 4217 7145 4215 7148
4213 7148 4212 7150 4202 7150 4202 7141
4168 7138
TIME...MOT...LOC 0637Z 270DEG 30KT 4203 7213 4175 7211
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
$$
BLThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 11:18 PM EDT | Special Weather Statement | BOX | Barnstable | 42 min |
| Aug 13, 1:12 AM EDT | Special Weather Statement | BOX | Hampden | 48 min |
| Aug 13, 1:48 AM EDT | Special Weather Statement | BOX | 42 min | |
| Aug 13, 2:06 AM EDT | Special Weather Statement | BOX | 39 min |
Nearby
Special Weather Statements in Rhode Island, 2021Special Weather Statements in Connecticut, 2021Every special weather statement in 2021
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.