Alert archive / Rhode Island / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 30, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 23, 2012, 5:51 PM EDT for 4 counties in Rhode Island. It was in force for 32 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 23, 2012, 5:51 PM EDT (21:51 UTC)
- Expired
- Jun 23, 2012, 6:23 PM EDT
- In force
- 32 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Bristol County, RI, Kent County, RI, Newport County, RI, Washington County, RI
The radar
The Boston radar (KBOX), 45 km from the middle of the area, began a volume at 21:53 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, 9.9 hours before the alert went out and 119 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
- 365 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 949 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
304
WUUS51 KBOX 232151
SVRBOX
RIC001-003-005-009-232245-
/O.NEW.KBOX.SV.W.0030.120623T2151Z-120623T2245Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
551 PM EDT SAT JUN 23 2012
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTH CENTRAL BRISTOL COUNTY IN RHODE ISLAND...
THIS INCLUDES THE CITY OF BRISTOL...
SOUTHERN KENT COUNTY IN RHODE ISLAND...
WESTERN NEWPORT COUNTY IN RHODE ISLAND...
NORTHERN WASHINGTON COUNTY IN RHODE ISLAND...
* UNTIL 645 PM EDT
* AT 548 PM EDT...NATIONAL WEATHER SERVICE 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 EAST GREENWICH TO EXETER...OR
ALONG A LINE EXTENDING FROM 9 MILES SOUTHWEST OF WARWICK TO 11
MILES NORTH OF SOUTH KINGSTOWN TO 10 MILES NORTHWEST OF SOUTH
KINGSTOWN...AND WAS MOVING EAST AT 15 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE...NORTH KINGSTOWN.
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 4151 7175 4167 7160 4168 7142 4157 7143
4151 7140 4158 7137 4153 7133 4157 7130
4161 7135 4160 7138 4162 7134 4168 7140
4166 7133 4159 7130 4163 7128 4167 7132
4168 7125 4157 7126 4148 7133
TIME...MOT...LOC 2151Z 268DEG 12KT 4163 7154 4159 7156
4153 7168
$$
SIPPRELL1 follow-up statement
106
WWUS51 KBOX 232223
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
623 PM EDT SAT JUN 23 2012
RIC001-003-005-009-232233-
/O.CAN.KBOX.SV.W.0030.000000T0000Z-120623T2245Z/
NEWPORT RI-BRISTOL RI-WASHINGTON RI-KENT RI-
623 PM EDT SAT JUN 23 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN KENT...NORTHERN
WASHINGTON...SOUTH CENTRAL BRISTOL AND WESTERN NEWPORT COUNTIES IN
RHODE ISLAND IS CANCELLED...
STORM HAS WEAKENED OVER THE PREVIOUSLY WARNED AREA.
LAT...LON 4151 7175 4167 7160 4168 7142 4157 7143
4151 7140 4158 7137 4153 7133 4157 7130
4161 7135 4160 7138 4162 7134 4168 7140
4166 7133 4159 7130 4163 7128 4167 7132
4168 7125 4157 7126 4148 7133
TIME...MOT...LOC 2223Z 268DEG 12KT 4163 7140 4159 7142
4153 7154
$$
SIPPRELLThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 5:26 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Newport | 35 min |
| Jun 23, 6:10 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Newport | 31 min |
Nearby
Severe Thunderstorm Warnings in Rhode Island, 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.