Alert archive / Rhode Island / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 49, NWS Boston/Norton, MA

July 2, 20204 counties in Rhode Island

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 2, 2020, 9:53 PM EDT for 4 counties in Rhode Island. It was in force for 48 min. 3 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: Jul 2, 2020, 9:53 PM EDT (01:53 UTC)
Expired: Jul 2, 2020, 10:41 PM EDT
In force: 48 min
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

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

The radar

The Boston radar (KBOX), 52 km from the middle of the area, began a volume at 01:56 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 2, 10:10 PM EDT	TSTM WND DMG	Coventry, RI	TREE DOWN BLOCKING HILL FARM ROAD
Jul 2, 10:12 PM EDT	TSTM WND DMG	2 E Coventry, RI	TREE DOWN ON 28 HILL FARM CAMP RD IN COVENTRY.
Jul 2, 10:12 PM EDT	TSTM WND DMG	2 E Coventry, RI	TWO VEHICLES WERE CRUSHED BY FALLEN TREES ON HILL FARM CAMP RD IN COVENTRY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Chatham, MA (KCHH), launched 00:00Z, 1.9 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.

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: 9 J/kg
Mixed-layer CIN: -124 J/kg
Mixed-layer LCL: 1169 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 115 m²/s²
0-3 km storm-relative helicity: 160 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

496 
WUUS51 KBOX 030153
SVRBOX
RIC003-005-007-009-030300-
/O.NEW.KBOX.SV.W.0049.200703T0153Z-200703T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Boston/Norton MA
953 PM EDT Thu Jul 2 2020

The National Weather Service in Boston/Norton has issued a

* Severe Thunderstorm Warning for...
  Northeastern Washington County in Rhode Island...
  Southwestern Newport County in Rhode Island...
  Kent County in Rhode Island...
  Southwestern Providence County in Rhode Island...

* Until 1100 PM EDT.

* At 953 PM EDT, a severe thunderstorm was located near Scituate, or
  near Coventry, moving south at 25 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and power lines.

* Locations impacted include...
  Warwick, Cranston, Coventry, South Kingstown, West Warwick,
  Johnston, North Kingstown, Newport, Smithfield, Narragansett, East
  Greenwich, Scituate, Charlestown, Richmond, Exeter, West Greenwich,
  Jamestown and Foster.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4136 7165 4183 7172 4188 7152 4169 7144
      4169 7143 4166 7144 4164 7141 4154 7143
      4152 7140 4157 7137 4149 7136 4151 7142
      4148 7142 4149 7140 4146 7132 4147 7143
      4137 7149
TIME...MOT...LOC 0153Z 341DEG 23KT 4175 7160 

HAIL...<.75IN
WIND...60MPH
 
$$

Loconto

3 follow-up statements

621 
WWUS51 KBOX 030216
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
1016 PM EDT Thu Jul 2 2020

RIC003-005-007-009-030300-
/O.CON.KBOX.SV.W.0049.000000T0000Z-200703T0300Z/
Washington RI-Newport RI-Kent RI-Providence RI-
1016 PM EDT Thu Jul 2 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR NORTHEASTERN WASHINGTON...SOUTHWESTERN NEWPORT...KENT AND SOUTH
CENTRAL PROVIDENCE COUNTIES...

At 1015 PM EDT, a severe thunderstorm was located over East
Greenwich, or near West Warwick, moving south at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated. 

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Warwick, Coventry, South Kingstown, West Warwick, North Kingstown,
Newport, Narragansett, East Greenwich, Scituate, Charlestown,
Richmond, Exeter, West Greenwich and Jamestown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 4136 7165 4173 7170 4173 7146 4169 7144
      4169 7143 4166 7144 4164 7141 4154 7143
      4152 7140 4157 7137 4149 7136 4151 7142
      4148 7142 4149 7140 4146 7132 4147 7143
      4137 7149
TIME...MOT...LOC 0215Z 341DEG 23KT 4161 7154 

HAIL...<.75IN
WIND...60MPH
 
$$

Loconto

344 
WWUS51 KBOX 030225
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
1025 PM EDT Thu Jul 2 2020

RIC007-030233-
/O.CAN.KBOX.SV.W.0049.000000T0000Z-200703T0300Z/
Providence RI-
1025 PM EDT Thu Jul 2 2020

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL PROVIDENCE
COUNTY IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4169 7169 4169 7143 4166 7144 4164 7141
      4154 7143 4152 7140 4157 7137 4149 7136
      4151 7142 4148 7142 4149 7140 4146 7132
      4147 7143 4137 7149 4136 7165
TIME...MOT...LOC 0223Z 344DEG 21KT 4159 7156 

$$

RIC003-005-009-030300-
/O.CON.KBOX.SV.W.0049.000000T0000Z-200703T0300Z/
Washington RI-Newport RI-Kent RI-
1025 PM EDT Thu Jul 2 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR NORTHEASTERN WASHINGTON...SOUTHWESTERN NEWPORT AND SOUTHEASTERN
KENT COUNTIES...

At 1023 PM EDT, a severe thunderstorm was located near Exeter, or
near North Kingstown, moving south at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated and trained spotters. At 1010 PM, a tree 
         was downed in Coventry, along with pea-sized hail.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Warwick, Coventry, South Kingstown, West Warwick, North Kingstown,
Newport, Narragansett, East Greenwich, Charlestown, Richmond, Exeter,
West Greenwich and Jamestown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 4169 7169 4169 7143 4166 7144 4164 7141
      4154 7143 4152 7140 4157 7137 4149 7136
      4151 7142 4148 7142 4149 7140 4146 7132
      4147 7143 4137 7149 4136 7165
TIME...MOT...LOC 0223Z 344DEG 21KT 4159 7156 

HAIL...<.75IN
WIND...60MPH
 
$$

Loconto

667 
WWUS51 KBOX 030241
SVSBOX

Severe Weather Statement
National Weather Service Boston/Norton MA
1041 PM EDT Thu Jul 2 2020

RIC003-005-009-030251-
/O.CAN.KBOX.SV.W.0049.000000T0000Z-200703T0300Z/
Washington RI-Newport RI-Kent RI-
1041 PM EDT Thu Jul 2 2020

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WASHINGTON...
SOUTHWESTERN NEWPORT AND SOUTHEASTERN KENT COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

LAT...LON 4169 7169 4169 7143 4166 7144 4164 7141
      4154 7143 4152 7140 4157 7137 4149 7136
      4151 7142 4148 7142 4149 7140 4146 7132
      4147 7143 4137 7149 4136 7165
TIME...MOT...LOC 0236Z 341DEG 23KT 4148 7151 

$$

Loconto

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 8:52 PM EDT	Special Weather Statement	BOX	Providence	38 min
Jul 2, 9:09 PM EDT	Severe Thunderstorm Warning	BOX	Providence	47 min
Jul 2, 9:48 PM EDT	Special Weather Statement	BOX	Kent, Providence	42 min
Jul 2, 11:03 PM EDT	Special Weather Statement	BOX	Washington	27 min

Nearby

Severe Thunderstorm Warnings in Rhode Island, 2020 Every severe thunderstorm warning in 2020

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.