Alert archive / Massachusetts / Tornado Warnings in 2018
Tornado Warning 12, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this tornado warning at Oct 23, 2018, 3:34 PM EDT for Bristol County, Norfolk County, Massachusetts; Providence County, Rhode Island. It was in force for 26 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
- Oct 23, 2018, 3:34 PM EDT (19:34 UTC)
- Expired
- Oct 23, 2018, 4:00 PM EDT
- In force
- 26 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Bristol County, MA, Norfolk County, MA, Providence County, RI
The radar
The Boston radar (KBOX), 24 km from the middle of the area, began a volume at 19:36 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
Chatham, MA (KCHH), launched 12:00Z, 7.6 hours before the alert went out and 122 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1269 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
435
WFUS51 KBOX 231934
TORBOX
MAC005-021-RIC007-232000-
/O.NEW.KBOX.TO.W.0012.181023T1934Z-181023T2000Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Boston/Norton MA
334 PM EDT TUE OCT 23 2018
The National Weather Service in Boston/Norton has issued a
* Tornado Warning for...
Southwestern Norfolk County in eastern Massachusetts...
West central Bristol County in southeastern Massachusetts...
East central Providence County in Rhode Island...
* Until 400 PM EDT.
* At 334 PM EDT, a severe thunderstorm capable of producing a tornado
was located over North Providence, moving northeast at 15 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
East Providence and Central Falls around 350 PM EDT.
Pawtucket around 355 PM EDT.
Cumberland, North Attleborough, Attleboro, Seekonk, Rehoboth and
Plainville around 400 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4185 7148 4189 7149 4200 7136 4185 7123
TIME...MOT...LOC 1934Z 240DEG 15KT 4187 7145
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Sipprell1 follow-up statement
612
WWUS51 KBOX 231951
SVSBOX
Severe Weather Statement
National Weather Service Boston/Norton MA
351 PM EDT TUE OCT 23 2018
MAC005-021-RIC007-232000-
/O.EXP.KBOX.TO.W.0012.000000T0000Z-181023T2000Z/
Norfolk MA-Bristol MA-Providence RI-
351 PM EDT TUE OCT 23 2018
...THE TORNADO WARNING FOR SOUTHWESTERN NORFOLK...WEST CENTRAL
BRISTOL AND EAST CENTRAL PROVIDENCE COUNTIES WILL EXPIRE AT 400 PM
EDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire. However gusty winds are still possible with
this thunderstorm.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Boston/Norton.
Remember, a Severe Thunderstorm Warning still remains in effect for
portions of northeast Providence County in Rhode Island and Northern
Bristol County in Massachusetts.
LAT...LON 4185 7148 4189 7149 4200 7136 4185 7123
TIME...MOT...LOC 1950Z 240DEG 15KT 4190 7138
$$
SipprellThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 23, 2:04 PM EDT | Small Craft Advisory | BOX | 61 hr | |
| Oct 23, 2:46 PM EDT | Special Weather Statement | BOX | Bristol | 44 min |
| Oct 23, 2:53 PM EDT | Special Marine Warning | BOX | 52 min | |
| Oct 23, 3:01 PM EDT | Special Weather Statement | BOX | Plymouth | 29 min |
| Oct 23, 3:18 PM EDT | Special Weather Statement | BOX | Barnstable | 27 min |
| Oct 23, 3:20 PM EDT | Special Weather Statement | BOX | Hampden | 25 min |
| Oct 23, 3:23 PM EDT | Special Weather Statement | BOX | Franklin, Hampshire | 52 min |
| Oct 23, 3:32 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Norfolk | 28 min |
| Oct 23, 3:46 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Norfolk, Plymouth | 29 min |
| Oct 23, 3:53 PM EDT | Special Weather Statement | BOX | Worcester | 52 min |
| Oct 23, 3:57 PM EDT | Special Weather Statement | BOX | Worcester | 33 min |
| Oct 23, 3:59 PM EDT | Tornado Warning | BOX | Bristol, Norfolk, Plymouth | 31 min |
| Oct 23, 4:23 PM EDT | Special Weather Statement | BOX | Worcester | 52 min |
| Oct 23, 4:24 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Norfolk, Plymouth | 23 min |
| Oct 23, 4:27 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 33 min |
| Oct 23, 4:45 PM EDT | Special Weather Statement | BOX | Worcester | 30 min |
| Oct 23, 4:47 PM EDT | Special Weather Statement | BOX | Barnstable | 43 min |
| Oct 23, 4:49 PM EDT | Special Weather Statement | BOX | Barnstable | 26 min |
| Oct 23, 5:04 PM EDT | Special Weather Statement | BOX | Bristol | 26 min |
| Oct 23, 5:15 PM EDT | Special Weather Statement | BOX | Middlesex | 45 min |
| Oct 23, 5:28 PM EDT | Special Marine Warning | BOX | 32 min | |
| Oct 23, 5:30 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Plymouth | 30 min |
| Oct 23, 5:42 PM EDT | Special Marine Warning | BOX | 48 min | |
| Oct 23, 5:44 PM EDT | Special Marine Warning | BOX | 46 min | |
| Oct 23, 5:46 PM EDT | Special Weather Statement | BOX | Middlesex | 29 min |
| Oct 23, 5:51 PM EDT | Special Marine Warning | BOX | 39 min | |
| Oct 23, 6:22 PM EDT | Special Marine Warning | BOX | 38 min | |
| Oct 23, 6:28 PM EDT | Special Weather Statement | BOX | Norfolk, Suffolk | 47 min |
| Oct 23, 6:44 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable | 31 min |
| Oct 23, 6:53 PM EDT | Special Marine Warning | BOX | 22 min | |
| Oct 23, 7:14 PM EDT | Special Marine Warning | BOX | 61 min | |
| Oct 23, 7:15 PM EDT | Special Marine Warning | BOX | 30 min | |
| Oct 23, 2:57 PM EDT | Special Weather Statement | BOX | Washington | 33 min |
| Oct 23, 3:06 PM EDT | Special Weather Statement | BOX | Providence | 24 min |
| Oct 23, 3:28 PM EDT | Special Weather Statement | BOX | Providence | 32 min |
| Oct 23, 5:20 PM EDT | Special Weather Statement | BOX | Providence | 40 min |
Nearby
Tornado Warnings in Massachusetts, 2018Tornado Warnings in Rhode Island, 2018Every tornado warning in 2018Tornadoes 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.