Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 69, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 5, 2017, 3:38 PM EDT for Franklin County, Massachusetts. It was in force for 10 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 5, 2017, 3:38 PM EDT (19:38 UTC)
- Expired
- Aug 5, 2017, 3:48 PM EDT
- In force
- 10 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Franklin County, MA
The radar
The Albany radar (KENX), 93 km from the middle of the area, began a volume at 19:39 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, 7.6 hours before the alert went out and 73 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
- 478 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 590 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 202 m²/s²
- 0-3 km storm-relative helicity
- 219 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.3
The text
As transmitted.
779
WUUS51 KBOX 051938
SVRBOX
MAC011-052015-
/O.NEW.KBOX.SV.W.0069.170805T1938Z-170805T2015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Taunton MA
338 PM EDT SAT AUG 5 2017
The National Weather Service in Taunton has issued a
* Severe Thunderstorm Warning for...
Northwestern Franklin County in western Massachusetts...
* Until 415 PM EDT
* At 337 PM EDT, a severe thunderstorm was located over Rowe, or 9
miles east of North Adams, moving northeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
* Locations impacted include...
Monroe, Charlemont, Heath, Rowe and Hoosac Tunnel.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4273 7278 4264 7295 4267 7296 4266 7298
4267 7300 4270 7295 4270 7302 4274 7302
TIME...MOT...LOC 1937Z 241DEG 30KT 4272 7294
HAIL...<.75IN
WIND...60MPH
$$
Frank1 follow-up statement
206
WWUS51 KBOX 051948
SVSBOX
Severe Weather Statement
National Weather Service Taunton MA
348 PM EDT SAT AUG 5 2017
MAC011-051958-
/O.CAN.KBOX.SV.W.0069.000000T0000Z-170805T2015Z/
Franklin MA-
348 PM EDT SAT AUG 5 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN FRANKLIN COUNTY
IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled.
LAT...LON 4273 7278 4264 7295 4267 7296 4266 7298
4267 7300 4270 7295 4270 7302 4274 7302
TIME...MOT...LOC 1946Z 241DEG 30KT 4277 7283
$$
FrankThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 8:42 PM EDT | Dense Fog Advisory | BOX | Barnstable, Dukes, Nantucket | 13 hr |
| Aug 5, 3:37 AM EDT | Small Craft Advisory | BOX | 36 hr | |
| Aug 5, 8:49 AM EDT | Areal Flood Advisory | BOX | Hampden, Hampshire, Worcester | 116 min |
| Aug 5, 9:39 AM EDT | Areal Flood Advisory | BOX | Worcester | 2 hr |
| Aug 5, 1:04 PM EDT | Areal Flood Advisory | BOX | Franklin, Hampden, Hampshire, Worcester | 56 min |
| Aug 5, 2:45 PM EDT | Special Weather Statement | BOX | Hampshire | 45 min |
| Aug 5, 3:01 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire | 44 min |
| Aug 5, 3:04 PM EDT | Areal Flood Warning | BOX | Hampden, Hampshire | 116 min |
| Aug 5, 3:22 PM EDT | Special Weather Statement | BOX | Franklin | 38 min |
| Aug 5, 4:17 PM EDT | Special Weather Statement | BOX | Worcester | 43 min |
| Aug 5, 4:32 PM EDT | Special Weather Statement | BOX | Worcester | 43 min |
| Aug 5, 4:56 PM EDT | Special Weather Statement | BOX | Worcester | 34 min |
| Aug 5, 7:27 PM EDT | Special Weather Statement | BOX | Worcester | 48 min |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 2017Every severe thunderstorm warning in 2017
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.