Alert archive / Rhode Island / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 82, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 10, 2012, 4:09 PM EDT for Newport County, Washington County, Rhode Island. It was in force for 36 min. 2 reports 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
- Aug 10, 2012, 4:09 PM EDT (20:09 UTC)
- Expired
- Aug 10, 2012, 4:45 PM EDT
- In force
- 36 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Newport County, RI, Washington County, RI
The radar
The Boston radar (KBOX), 55 km from the middle of the area, began a volume at 20:10 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 |
|---|---|---|---|
| Aug 10, 4:10 PM EDT | TSTM WND DMG | Narragansett, RI | UMBRELLAS IN WOODEN STANDS SNAPPED IN TWO...TABLES BLOWN OVER. |
| Aug 10, 4:30 PM EDT | TSTM WND DMG | Westerly, RI | LARGE TREE LIMB DOWN ON THE DECK OF A HOME |
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 |
|---|---|---|---|
| Aug 10, 3:31 PM EDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Chatham, MA (KCHH), launched 12:00Z, 8.2 hours before the alert went out and 121 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
- 424 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 475 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
806
WUUS51 KBOX 102009
SVRBOX
RIC005-009-102045-
/O.NEW.KBOX.SV.W.0082.120810T2009Z-120810T2045Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
409 PM EDT FRI AUG 10 2012
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NEWPORT COUNTY IN RHODE ISLAND...
THIS INCLUDES THE CITY OF NEWPORT...
WASHINGTON COUNTY IN RHODE ISLAND...
THIS INCLUDES THE CITY OF SOUTH KINGSTOWN...
* UNTIL 445 PM EDT
* AT 405 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM JUST OFFSHORE OF WESTERLY...CHARLESTOWN...AND NARRAGANSETT.
THE THUNDERSTORMS WERE MOVING NORTHEAST AT 25 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE...NORTH KINGSTOWN...
JAMESTOWN...LITTLE COMPTON AND RICHMOND.
A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCED WARNING. REMAIN CALM...BUT TAKE
COVER NOW. GO TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS.
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 4153 7171 4163 7140 4157 7143 4151 7140
4158 7137 4153 7132 4157 7130 4160 7138
4164 7135 4152 7112 4146 7117 4145 7120
4155 7122 4147 7124 4145 7141 4149 7141
4135 7148 4137 7157 4130 7189
TIME...MOT...LOC 2007Z 219DEG 23KT 4130 7188 4137 7161
4125 7141
$$
WTB2 follow-up statements
106
WWUS51 KBOX 102027
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
427 PM EDT FRI AUG 10 2012
RIC005-009-102045-
/O.CON.KBOX.SV.W.0082.000000T0000Z-120810T2045Z/
NEWPORT RI-WASHINGTON RI-
427 PM EDT FRI AUG 10 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR WASHINGTON AND SOUTHWESTERN NEWPORT COUNTIES...
AT 422 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM WESTERLY TO SOUTH KINGSTOWN TO 10 MILES SOUTHEAST OF
NARRAGANSETT...MOVING NORTHEAST AT 25 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
KINGSTON...NORTH KINGSTOWN...JAMESTOWN...PRUDENCE ISLAND...LITTLE
COMPTON AND RICHMOND
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY EVENING FOR
NORTHERN CONNECTICUT AND SOUTHEASTERN MASSACHUSETTS AND CENTRAL RHODE
ISLAND.
&&
LAT...LON 4153 7171 4163 7140 4157 7143 4151 7140
4158 7137 4153 7132 4157 7130 4160 7138
4164 7135 4152 7112 4146 7117 4145 7120
4155 7122 4147 7124 4145 7141 4149 7141
4135 7148 4137 7157 4130 7189
TIME...MOT...LOC 2027Z 219DEG 23KT 4140 7177 4147 7150
4135 7130
$$
WTB073
WWUS51 KBOX 102033
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
433 PM EDT FRI AUG 10 2012
RIC005-009-102045-
/O.CON.KBOX.SV.W.0082.000000T0000Z-120810T2045Z/
NEWPORT RI-WASHINGTON RI-
433 PM EDT FRI AUG 10 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR NORTHEASTERN WASHINGTON AND SOUTHWESTERN NEWPORT COUNTIES...
AT 431 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS
IN EXCESS OF 70 MPH. THIS STORM WAS LOCATED NEAR NARRAGANSETT...OR
NEAR SOUTH KINGSTOWN...MOVING NORTH AT 30 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
KINGSTON...JAMESTOWN AND NORTH KINGSTOWN
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY EVENING FOR
NORTHERN CONNECTICUT AND SOUTHEASTERN MASSACHUSETTS AND CENTRAL RHODE
ISLAND.
&&
LAT...LON 4143 7158 4158 7155 4161 7145 4161 7141
4157 7143 4151 7140 4158 7137 4153 7132
4157 7130 4159 7136 4157 7129 4145 7138
4145 7141 4149 7141 4140 7146
TIME...MOT...LOC 2033Z 199DEG 25KT 4143 7149
$$
FIELDThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 3:10 PM EDT | Special Weather Statement | BOX | Bristol, Kent, Newport, Washington | 50 min |
| Aug 10, 3:36 PM EDT | Areal Flood Advisory | BOX | Bristol, Kent, Newport, Providence, Washington | 2 hr |
| Aug 10, 3:41 PM EDT | Severe Thunderstorm Warning | BOX | Washington | 19 min |
| Aug 10, 4:43 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Kent, Newport, Washington | 62 min |
| Aug 10, 4:56 PM EDT | Flash Flood Warning | BOX | Kent, Providence, Washington | 2 hr |
| Aug 10, 4:57 PM EDT | Flash Flood Warning | BOX | Kent, Providence, Washington | 2 hr |
| Aug 10, 5:16 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Newport | 59 min |
| Aug 10, 5:33 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Kent, Providence | 27 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.