Alert archive / Rhode Island / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 40, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 1, 2012, 4:27 PM EDT for Northeastern Connecticut Planning Region, Connecticut; Kent County, Washington County, Rhode Island. It was in force for 24 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 1, 2012, 4:27 PM EDT (20:27 UTC)
- Expired
- Jul 1, 2012, 4:51 PM EDT
- In force
- 24 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Northeastern Connecticut Planning Region, CT, Kent County, RI, Washington County, RI
The radar
The Boston radar (KBOX), 64 km from the middle of the area, began a volume at 20:27 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 1, 4:30 PM EDT | TSTM WND DMG | Voluntown, CT | NUMEROUS TREES DOWN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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
Brookhaven, NY (KOKX), launched 12:00Z, 8.5 hours before the alert went out and 125 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
- 254 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 1757 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
872 WUUS51 KBOX 012027 SVRBOX CTC015-RIC003-009-012115- /O.NEW.KBOX.SV.W.0040.120701T2027Z-120701T2115Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 427 PM EDT SUN JUL 1 2012 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... KENT COUNTY IN RHODE ISLAND... EXTREME NORTHERN WASHINGTON COUNTY IN RHODE ISLAND... SOUTHEASTERN WINDHAM COUNTY IN NORTHERN CONNECTICUT... * UNTIL 515 PM EDT * AT 423 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR PLAINFIELD...AND MOVING EAST AT 25 MPH. * LOCATIONS IMPACTED INCLUDE... COVENTRY...WEST WARWICK...EXETER...WEST GREENWICH... STERLING AND VOLUNTOWN. 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 4158 7194 4173 7190 4171 7150 4153 7154 TIME...MOT...LOC 2023Z 280DEG 22KT 4164 7193 $$ VALLIER-TALBOT
1 follow-up statement
659 WWUS51 KBOX 012051 SVSBOX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 451 PM EDT SUN JUL 1 2012 RIC003-009-CTC015-012100- /O.CAN.KBOX.SV.W.0040.000000T0000Z-120701T2115Z/ WINDHAM CT-KENT RI-WASHINGTON RI- 451 PM EDT SUN JUL 1 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WINDHAM...KENT AND NORTHERN WASHINGTON COUNTIES IS CANCELLED... THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE THE WARNING HAS BEEN CANCELLED. HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THESE THUNDERSTORM.S LAT...LON 4158 7194 4173 7190 4171 7150 4153 7154 TIME...MOT...LOC 2050Z 280DEG 22KT 4164 7193 $$ VALLIER-TALBOT
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 2:51 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region, Northeastern Connecticut Planning Region | 38 min |
| Jul 1, 2:59 PM EDT | Special Weather Statement | BOX | 31 min | |
| Jul 1, 3:04 PM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 41 min |
| Jul 1, 3:06 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 39 min |
| Jul 1, 3:38 PM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 52 min |
| Jul 1, 3:44 PM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 46 min |
| Jul 1, 4:10 PM EDT | Severe Thunderstorm Warning | BOX | Washington | 35 min |
| Jul 1, 4:34 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Kent, Newport, Providence | 41 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 |
Nearby
Severe Thunderstorm Warnings in Rhode Island, 2012Severe Thunderstorm Warnings in Connecticut, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.