Alert archive / Connecticut / Special Weather Statements in 2018
Special Weather Statement, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this special weather statement at Aug 2, 2018, 5:58 PM EDT. 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 outline as issued.
The facts
- Issued
- Aug 2, 2018, 5:58 PM EDT (21:58 UTC)
- Expired
- Aug 2, 2018, 6:45 PM EDT
- In force
- 47 min
- Issued by
- NWS Boston/Norton, MA
The radar
The Boston radar (KBOX), 64 km from the middle of the area, began a volume at 22:02 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, 10.0 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.
- Mixed-layer CAPE
- 1199 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 650 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.8
The text
As transmitted.
800 WWUS81 KBOX 022158 SPSBOX Special Weather Statement National Weather Service Boston/Norton MA 558 PM EDT THU AUG 2 2018 CTZ003-004-MAZ012-RIZ001-022245- Tolland CT-Windham CT-Southern Worcester MA-Northwest Providence RI- 558 PM EDT THU AUG 2 2018 ...STRONG THUNDERSTORM... At 558 PM EDT, Doppler radar was tracking a strong thunderstorm over Ashford, or 7 miles north of Mansfield, moving northeast at 30 mph. Winds in excess of 40 mph will accompany this storm. Locations impacted include... Mansfield, Killingly, Webster, Southbridge, Burrillville, Northbridge, Oxford, Uxbridge, Charlton, Stafford, North Smithfield, Dudley, Glocester, Putnam, Thompson, Sutton, Douglas, Woodstock, Willington and Ashford. PRECAUTIONARY/PREPAREDNESS ACTIONS... Get indoors when this storm approaches. Winds may be strong enough to produce minor damage, such as a few downed branches. Do not drive through flooded roads or underpasses. Avoid low lying areas near small streams. These storms may intensify and become capable of producing damage. Stay tuned for updated statements and possible warnings. && LAT...LON 4218 7172 4193 7158 4178 7220 4194 7231 TIME...MOT...LOC 2158Z 246DEG 26KT 4189 7218 $$ Belk
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 3:28 AM EDT | Heat Advisory | BOX | Bristol, Essex, Middlesex, Norfolk, Plymouth, Suffolk | 15 hr |
| Aug 2, 3:08 PM EDT | Special Weather Statement | BOX | Hampden | 82 min |
| Aug 2, 3:49 PM EDT | Special Weather Statement | BOX | Hampden | 56 min |
| Aug 2, 4:26 PM EDT | Special Weather Statement | BOX | Hampden | 49 min |
| Aug 2, 4:47 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 43 min |
| Aug 2, 5:07 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire, Worcester | 38 min |
| Aug 2, 5:28 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 47 min |
| Aug 2, 5:39 PM EDT | Special Weather Statement | BOX | Worcester | 36 min |
| Aug 2, 6:12 PM EDT | Special Weather Statement | BOX | Middlesex | 48 min |
| Aug 2, 6:19 PM EDT | Special Weather Statement | BOX | Middlesex | 41 min |
| Aug 2, 6:59 PM EDT | Special Weather Statement | BOX | Norfolk | 46 min |
| Aug 2, 7:04 PM EDT | Special Weather Statement | BOX | Providence | 26 min |
| Aug 2, 5:05 PM EDT | Special Weather Statement | BOX | 25 min | |
| Aug 2, 6:50 PM EDT | Special Weather Statement | BOX | 40 min |
Nearby
Special Weather Statements in Connecticut, 2018Every special weather statement in 2018
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.