Alert archive / Rhode Island / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 41, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 1, 2012, 4:34 PM EDT for 4 counties in Rhode Island; Bristol County, Massachusetts. It was in force for 41 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
- Jul 1, 2012, 4:34 PM EDT (20:34 UTC)
- Expired
- Jul 1, 2012, 5:15 PM EDT
- In force
- 41 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Bristol County, MA, Bristol County, RI, Kent County, RI, Newport County, RI, Providence County, RI
The radar
The Boston radar (KBOX), 28 km from the middle of the area, began a volume at 20:36 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 1, 1:35 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Chatham, MA (KCHH), launched 12:00Z, 8.6 hours before the alert went out and 109 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
- 121 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 1755 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
873
WUUS51 KBOX 012034
SVRBOX
MAC005-RIC001-003-005-007-012115-
/O.NEW.KBOX.SV.W.0041.120701T2034Z-120701T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
434 PM EDT SUN JUL 1 2012
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
BRISTOL COUNTY IN RHODE ISLAND...
SOUTHWESTERN BRISTOL COUNTY IN SOUTHEAST MASSACHUSETTS...
NORTHEASTERN KENT COUNTY IN RHODE ISLAND...
NORTHEASTERN NEWPORT COUNTY IN RHODE ISLAND...
SOUTHEASTERN PROVIDENCE COUNTY IN RHODE ISLAND...
* UNTIL 515 PM EDT
* AT 431 PM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NORTH PROVIDENCE TO WEST WARWICK...MOVING EAST AT
30 MPH.
* LOCATIONS IMPACTED INCLUDE...
PROVIDENCE...FALL RIVER...BARRINGTON...CRANSTON...PAWTUCKET...
SEEKONK...EAST PROVIDENCE...JOHNSTON...NORTH PROVIDENCE...
WARREN...DIGHTON...SOMERSET...SWANSEA AND REHOBOTH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR
PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY. LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...
IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY
LIGHTNING.
&&
LAT...LON 4167 7120 4171 7116 4171 7121 4173 7122
4170 7124 4172 7126 4168 7124 4169 7129
4172 7129 4171 7130 4175 7136 4179 7137
4173 7139 4172 7136 4170 7137 4172 7154
4189 7149 4184 7107 4166 7111
TIME...MOT...LOC 2031Z 278DEG 27KT 4185 7150 4171 7154
$$
VALLIER-TALBOT1 follow-up statement
707
WWUS51 KBOX 012106
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
506 PM EDT SUN JUL 1 2012
MAC005-RIC001-005-003-007-012115-
/O.EXP.KBOX.SV.W.0041.000000T0000Z-120701T2115Z/
BRISTOL MA-KENT RI-BRISTOL RI-NEWPORT RI-PROVIDENCE RI-
506 PM EDT SUN JUL 1 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN BRISTOL...
NORTHEASTERN KENT...BRISTOL...NORTHEASTERN NEWPORT AND SOUTHEASTERN
PROVIDENCE COUNTIES WILL EXPIRE AT 515 PM EDT...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR
PROPERTY. THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.
HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.
LAT...LON 4167 7120 4171 7116 4171 7121 4173 7122
4170 7124 4172 7126 4168 7124 4169 7129
4172 7129 4171 7130 4175 7136 4179 7137
4173 7139 4172 7136 4170 7137 4172 7154
4189 7149 4184 7107 4166 7111
TIME...MOT...LOC 2105Z 278DEG 27KT 4185 7150 4171 7154
$$
EVTThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 3:04 PM EDT | Severe Thunderstorm Warning | BOX | Providence | 41 min |
| Jul 1, 3:38 PM EDT | Severe Thunderstorm Warning | BOX | Kent, Providence, Washington | 52 min |
| Jul 1, 3:44 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Kent, Newport, Providence | 46 min |
| Jul 1, 4:10 PM EDT | Severe Thunderstorm Warning | BOX | Washington | 35 min |
| Jul 1, 4:27 PM EDT | Severe Thunderstorm Warning | BOX | Kent, Washington | 24 min |
| Jul 1, 6:24 PM EDT | Special Weather Statement | BOX | Washington | 36 min |
| Jul 1, 6:35 PM EDT | Severe Thunderstorm Warning | BOX | Washington | 25 min |
| Jul 1, 3:06 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 39 min |
| Jul 1, 3:40 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Plymouth | 50 min |
| Jul 1, 3:42 PM EDT | Special Marine Warning | BOX | 48 min | |
| Jul 1, 3:48 PM EDT | Special Marine Warning | BOX | 27 min | |
| Jul 1, 4:56 PM EDT | Special Marine Warning | BOX | 34 min | |
| Jul 1, 5:02 PM EDT | Special Marine Warning | BOX | 43 min | |
| Jul 1, 5:33 PM EDT | Special Marine Warning | BOX | 27 min | |
| Jul 1, 5:43 PM EDT | Special Weather Statement | BOX | Dukes | 47 min |
| Jul 1, 5:52 PM EDT | Special Marine Warning | BOX | 38 min | |
| Jul 1, 6:11 PM EDT | Special Marine Warning | BOX | 49 min | |
| Jul 1, 6:56 PM EDT | Special Marine Warning | BOX | 49 min | |
| Jul 1, 7:03 PM EDT | Special Marine Warning | BOX | 57 min |
Nearby
Severe Thunderstorm Warnings in Rhode Island, 2012Severe Thunderstorm Warnings in Massachusetts, 2012Every severe thunderstorm warning in 2012
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.