Alert archive / Rhode Island / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 7, NWS Boston/Norton, MA

February 25, 20165 counties in Rhode Island

NWS Boston/Norton, MA issued this severe thunderstorm warning at Feb 25, 2016, 2:21 AM EST for 5 counties in Rhode Island. It was in force for 54 min. 8 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: Feb 25, 2016, 2:21 AM EST (07:21 UTC)
Expired: Feb 25, 2016, 3:15 AM EST
In force: 54 min
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon

Counties Bristol County, RI, Kent County, RI, Newport County, RI, Providence County, RI, Washington County, RI

The radar

The Boston radar (KBOX), 40 km from the middle of the area, began a volume at 07:21 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
Feb 25, 2:33 AM EST	TSTM WND DMG	Warwick, RI	TREE LIMBS AND BRANCHES DOWN ON NARRAGANSETT PARKWAY.
Feb 25, 2:52 AM EST	TSTM WND DMG	Smithfield, RI	LARGE TREE AND WIRES DOWN BLOCKING WIPPLE STREET NEAR THE DOUGLAS PIKE.
Feb 25, 2:59 AM EST	TSTM WND DMG	Cranston, RI	TREE LIMB DOWN BLOCKING THE EASTBOUND LANE OF THE PLAINFIELD PIKE.
Feb 25, 3:15 AM EST	TSTM WND DMG	Scituate, RI	TREE DOWN AND UTILITY POLE SNAPPED IN HALF.
Feb 25, 3:15 AM EST	TSTM WND DMG	Scituate, RI	TREE DOWN AND UTILITY POLE SNAPPED IN HALF ON LOCUST GROVE.
Feb 25, 3:18 AM EST	TSTM WND DMG	Providence, RI	WINDOW BLOWN OUT OF HOUSE IN MOUNT PLEASANT NEIGHBORHOOD.
Feb 25, 3:20 AM EST	TSTM WND DMG	Cranston, RI	MULTIPLE TREES DOWN IN THE WESTERN PART OF THE CITY.
Feb 25, 3:20 AM EST	TSTM WND GST 65	South Kingstown, RI

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
Feb 25, 1:22 AM EST	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Chatham, MA (KCHH), launched 00:00Z, 7.4 hours before the alert went out and 122 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 777 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 184 m²/s²
0-3 km storm-relative helicity: 208 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

150 
WUUS51 KBOX 250721
SVRBOX
RIC001-003-005-007-009-250815-
/O.NEW.KBOX.SV.W.0007.160225T0721Z-160225T0815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
221 AM EST THU FEB 25 2016

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL BRISTOL COUNTY IN RHODE ISLAND...
  WESTERN NEWPORT COUNTY IN RHODE ISLAND...
  KENT COUNTY IN RHODE ISLAND...
  WASHINGTON COUNTY IN RHODE ISLAND...
  PROVIDENCE COUNTY IN RHODE ISLAND...

* UNTIL 315 AM EST

* AT 220 AM EST...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS OF
  70 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR
  OXFORD TO NEAR FOSTER TO NEAR CONNING TOWERS-NAUTILUS PARK...AND
  WAS MOVING NORTHEAST AT 90 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PROVIDENCE...WARWICK...CRANSTON...PAWTUCKET...EAST PROVIDENCE...
  WOONSOCKET...COVENTRY...CUMBERLAND...NORTH PROVIDENCE...SOUTH
  KINGSTOWN...WEST WARWICK...JOHNSTON...NORTH ATTLEBOROUGH...NORTH
  KINGSTOWN...NEWPORT...BRISTOL...WESTERLY...SMITHFIELD...LINCOLN AND
  CENTRAL FALLS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL. GO
INDOORS AND STAY AWAY FROM WINDOWS.  DRIVERS SHOULD PREPARE FOR LOW
VISIBILITY AND AVOID FLOODED ROADS.

THIS IS AN EXTREMELY DANGEROUS SITUATION. MOBILE HOMES AND HIGH
PROFILE VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO WINDS OF THIS
MAGNITUDE AND MAY BE OVERTURNED. FOR YOUR PROTECTION MOVE
IMMEDIATELY TO A SAFE SHELTER OR TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.
THESE STORMS HAVE THE POTENTIAL TO CAUSE SERIOUS INJURY AND
SIGNIFICANT PROPERTY DAMAGE.

MINOR FLOODING CAN BE EXPECTED FROM TORRENTIAL RAINFALL. DO NOT DRIVE
THROUGH FLOODED ROADS.

&&

LAT...LON 4201 7179 4202 7139 4202 7138 4190 7138
      4162 7123 4149 7130 4163 7125 4179 7137
      4178 7139 4171 7136 4167 7138 4169 7145
      4158 7145 4153 7141 4157 7137 4149 7138
      4145 7131 4150 7142 4137 7149 4132 7182
TIME...MOT...LOC 0720Z 215DEG 78KT 4211 7190 4180 7169 4140 7210 

$$

MD

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 25, 3:11 AM EST	Severe Thunderstorm Warning	BOX	Bristol, Newport, Providence	64 min
Feb 25, 3:13 AM EST	Severe Thunderstorm Warning	BOX	Bristol, Kent, Newport, Providence, Washington	62 min
Feb 25, 3:34 AM EST	Severe Thunderstorm Warning	BOX	Washington	26 min

Nearby

Severe Thunderstorm Warnings in Rhode Island, 2016 Every severe thunderstorm warning in 2016

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.