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 7, 2018, 4:12 PM EDT. It was in force for 33 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 7, 2018, 4:12 PM EDT (20:12 UTC)
- Expired
- Aug 7, 2018, 4:45 PM EDT
- In force
- 33 min
- Issued by
- NWS Boston/Norton, MA
The radar
The Brookhaven radar (KOKX), 101 km from the middle of the area, began a volume at 20:15 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
Brookhaven, NY (KOKX), launched 12:00Z, 8.2 hours before the alert went out and 101 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
- 1115 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 982 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
998
WWUS81 KBOX 072012
SPSBOX
Special Weather Statement
National Weather Service Boston/Norton MA
412 PM EDT TUE AUG 7 2018
CTZ002-072045-
Hartford CT-
412 PM EDT TUE AUG 7 2018
...TORRENTIAL RAINFALL ...
At 412 PM EDT, Doppler radar was tracking a strong thunderstorm over
Thomaston, or near Wolcott, moving northeast at 20 mph.
Pea size hail and winds in excess of 30 mph will accompany this
storm.
Locations impacted include...
Hartford, New Britain, West Hartford, Bristol, Southington,
Newington, Wethersfield, Farmington, Wolcott, Simsbury, Bloomfield,
Berlin, Avon, Plainville, Canton, Burlington, Allentown, Pequabuck
and Terryville Station.
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.
&&
LAT...LON 4181 7295 4184 7294 4185 7295 4189 7294
4190 7291 4193 7290 4170 7267 4157 7294
4163 7293 4164 7294 4164 7299 4180 7302
TIME...MOT...LOC 2012Z 232DEG 19KT 4166 7305
$$
LECThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 1:42 PM EDT | Special Weather Statement | BOX | Franklin | 48 min |
| Aug 7, 3:51 PM EDT | Special Weather Statement | BOX | Franklin | 24 min |
| Aug 7, 4:10 PM EDT | Special Weather Statement | BOX | Franklin | 35 min |
| Aug 7, 5:23 PM EDT | Special Weather Statement | BOX | Hampshire | 37 min |
| Aug 7, 6:25 PM EDT | Special Weather Statement | BOX | Worcester | 35 min |
| Aug 7, 6:40 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 35 min |
| Aug 7, 6:53 PM EDT | Special Weather Statement | BOX | Worcester | 22 min |
| Aug 7, 7:23 PM EDT | Areal Flood Advisory | BOX | Worcester | 67 min |
| Aug 7, 7:34 PM EDT | Special Weather Statement | BOX | Hampden | 26 min |
| Aug 7, 4:44 PM EDT | Special Weather Statement | BOX | 31 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.