Alert archive / Rhode Island / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 37, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 9, 2011, 6:54 AM EDT for Kent County, Providence County, Washington County, Rhode Island; Northeastern Connecticut Planning Region, Connecticut. It was in force for 51 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
- Jun 9, 2011, 6:54 AM EDT (10:54 UTC)
- Expired
- Jun 9, 2011, 7:45 AM EDT
- In force
- 51 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Northeastern Connecticut Planning Region, CT, Kent County, RI, Providence County, RI, Washington County, RI
The radar
The Boston radar (KBOX), 53 km from the middle of the area, began a volume at 10:55 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 00:00Z, 10.9 hours before the alert went out and 139 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
- 1843 J/kg
- Mixed-layer CIN
- -175 J/kg
- Mixed-layer LCL
- 1569 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 148 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
002 WUUS51 KBOX 091054 SVRBOX CTC015-RIC003-007-009-091145- /O.NEW.KBOX.SV.W.0037.110609T1054Z-110609T1145Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 654 AM EDT THU JUN 9 2011 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN KENT COUNTY IN RHODE ISLAND... SOUTHWESTERN PROVIDENCE COUNTY IN RHODE ISLAND... NORTH CENTRAL WASHINGTON COUNTY IN RHODE ISLAND... SOUTHEASTERN WINDHAM COUNTY IN NORTHERN CONNECTICUT... * UNTIL 745 AM EDT * AT 651 AM EDT...NATIONAL WEATHER SERVICE 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 POMFRET...OR 8 MILES SOUTHWEST OF PUTNAM...AND WAS MOVING SOUTHEAST AT 45 MPH. * SOME LOCATIONS IN THE WARNING INCLUDE...BROOKLYN...KILLINGLY... DANIELSON...FOSTER...STERLING...SCITUATE...COVENTRY AND WEST GREENWICH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL...AS WELL AS DEADLY LIGHTNING AND TORRENTIAL RAIN. GET TO SAFE SHELTER NOW... INSIDE A STURDY BUILDING OR IN A VEHICLE. DO NOT SEEK SHELTER UNDER TREES. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. DRIVERS SHOULD BE ALERT FOR PONDING OF WATER AND AVOID FLOODED ROADS. && LAT...LON 4182 7148 4156 7158 4180 7208 4192 7202 TIME...MOT...LOC 1054Z 296DEG 38KT 4183 7198 $$ THOMPSON
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 9:42 PM EDT | Severe Thunderstorm Warning | BOX | Providence | 48 min |
| Jun 8, 10:21 PM EDT | Severe Thunderstorm Warning | BOX | Providence | 24 min |
| Jun 8, 10:52 PM EDT | Severe Thunderstorm Warning | BOX | Newport | 38 min |
| Jun 8, 10:54 PM EDT | Special Weather Statement | BOX | Washington | 36 min |
| Jun 9, 1:40 AM EDT | Severe Thunderstorm Warning | BOX | Bristol, Kent, Providence | 50 min |
| Jun 9, 2:08 AM EDT | Special Weather Statement | BOX | Kent, Newport | 67 min |
| Jun 9, 2:22 AM EDT | Severe Thunderstorm Warning | BOX | Bristol, Newport | 23 min |
| Jun 9, 4:54 PM EDT | Severe Thunderstorm Warning | BOX | Providence | 54 min |
| Jun 9, 5:24 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Kent, Providence | 66 min |
| Jun 9, 5:52 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Kent, Newport, Washington | 53 min |
| Jun 9, 6:13 PM EDT | Severe Thunderstorm Warning | BOX | Newport | 62 min |
| Jun 9, 6:39 PM EDT | Special Weather Statement | BOX | Washington | 36 min |
| Jun 8, 8:12 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 48 min |
| Jun 8, 9:23 PM EDT | Special Weather Statement | BOX | 22 min | |
| Jun 9, 12:37 AM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 38 min |
| Jun 9, 1:04 AM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region, Northeastern Connecticut Planning Region | 41 min |
| Jun 9, 4:00 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 60 min |
| Jun 9, 4:39 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 66 min |
| Jun 9, 4:46 PM EDT | Areal Flood Advisory | BOX | Capitol Planning Region | 3 hr |
Nearby
Severe Thunderstorm Warnings in Rhode Island, 2011Severe Thunderstorm Warnings in Connecticut, 2011Every severe thunderstorm warning in 2011
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.