Alert archive / Rhode Island / Flash Flood Warnings in 2022

Flash Flood Warning 9, NWS Boston/Norton, MA

September 5, 2022Bristol County, Kent County, Providence County, Rhode Island; Bristol County, Massachusetts

NWS Boston/Norton, MA issued this flash flood warning at Sep 5, 2022, 2:39 PM EDT for Bristol County, Kent County, Providence County, Rhode Island; Bristol County, Massachusetts. It was in force for 5 hr. 9 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
Sep 5, 2022, 2:39 PM EDT (18:39 UTC)
Expired
Sep 5, 2022, 7:30 PM EDT
In force
5 hr
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon
Flood severity
None

Counties Bristol County, MA, Bristol County, RI, Kent County, RI, Providence County, RI

The radar

The Boston radar (KBOX), 33 km from the middle of the area, began a volume at 18:41 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

TimeReportWhereRemark
Sep 5, 2:43 PM EDTFLOOD3 Ene Cranston, RIROUTE 10 NORTH AND SOUTHBOUND CLOSED DUE TO FLOODING - ROAD IS IMPASSABLE - VIGILANT STREET AT CRANSTON STREET - 5 CARS STUCK IN FLOODING - NO INJURIES PER LAW ENFORCEMENT REPORTED BY AMATEUR RADIO.
Sep 5, 2:44 PM EDTFLOODProvidence, RIOLNEYVILLE SQUARE IS FLOODED AND IMPASSABLE PER LAW ENFORCEMENT REPORTED BY AMATEUR RADIO.
Sep 5, 2:53 PM EDTFLOODProvidence, RIIN THE AREA OF 17 BENEVOLENT STREET - FLOODED AND IMPASSABLE WITH WATER GOING INTO THE FIRST FLOOR OF A BROWN UNIVERSITY CAMPUS BUILDING, CAR STUCK IN STREET FLOODING ON WEBSTER AVENUE, 678 ELMWOOD AVENUE - RAPID FLOODING OF STRUCTURE, 75 HAMILTON STREET - CAR
Sep 5, 3:03 PM EDTFLOOD2 W Cranston, RIREPORT FROM MPING: STREET/ROAD FLOODING; STREET/ROAD CLOSED; VEHICLES STRANDED.
Sep 5, 3:14 PM EDTFLASH FLOOD2 Sse Providence, RISIGNIFICANT FLOODING ON THE THURBERS AVE SECTION OF I-95 NEAR PROVIDENCE. FLOODING CAUSED CLOSURES ON BOTH SIDES OF I-95 RESULTING IN SNARLED TRAFFIC FOR MULTIPLE HOURS. REPORTED BY LAW ENFORCEMENT, RIDOT AND SEVERAL BROADCAST MEDIA REPORTS.
Sep 5, 3:16 PM EDTFLOODProvidence, RIWILL NOT APPEAR IN PRODUCTS. ROUTE 10 NORTH AT WESTMINSTER STREET UNDERPASS FLOODED AND IMPASSABLE, THACKERY STREET AT MELROSE STREET FLOODED AND IMPASSABLE - CAR STUCK IN FLOOD WATERS, CADILLAC AVENUE AT MELROSE STREET - CAR STUCK IN FLOOD WATERS - WATER UP T
Sep 5, 3:30 PM EDTFLOODProvidence, RINARRAGANSETT AVENUE AT SANTIAGO STREET - 2 CARS STUCK IN FLOOD WATERS, RUGBY STREET AT THURBERS AVENUE - 3 CARS STUCK IN STREET FLOODING PER LAW ENFORCEMENT REPORTED BY AMATEUR RADIO.
Sep 5, 3:35 PM EDTFLOOD3 Ene Cranston, RIWILL NOT APPEAR IN PRODUCTS. 3 CARS STUCK IN FLOODING ON OAKLAWN AVENUE PER LAW ENFORCEMENT REPORTED BY AMATEUR RADIO.
Sep 5, 3:36 PM EDTFLOODProvidence, RIHARTFORD AVENUE AT HEATH STREET, SMITH STREET AT GENTIAN AVENUE - 1 EXCHANGE STREET - PLEASANT VALLEY PARKWAY AT BERLIN STREET, THE AREA OF 620 HUNTINGTON AVENUE, 993 MANTON AVENUE AND 1 SABIN STREET - FLOODED AND IMPASSABLE, ELMWOOD AVENUE RAMP TO ROUTE 10 -

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

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 6.7 hours before the alert went out and 156 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-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2022-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 297 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2022-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
297 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
679 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

235 
WGUS51 KBOX 051839
FFWBOX
MAC005-RIC001-003-007-052000-
/O.NEW.KBOX.FF.W.0009.220905T1839Z-220905T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Boston/Norton MA
239 PM EDT Mon Sep 5 2022

The National Weather Service in Norton has issued a

* Flash Flood Warning for...
  West Central Bristol County in southeastern Massachusetts...
  Bristol County in Rhode Island...
  Central Kent County in Rhode Island...
  Southern Providence County in Rhode Island...

* Until 400 PM EDT.

* At 239 PM EDT, Doppler radar indicated heavy rain across the 
  warned area. Between 1.5 and 2.5 inches of rain have fallen. The 
  expected rainfall rate is 1 to 2 inches in 1 hour. Flash flooding 
  is ongoing or expected to begin shortly.

  HAZARD...Flash flooding caused by heavy rain.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Providence, Warwick, Cranston, East Providence, Coventry, West 
  Warwick, Johnston, Bristol, Somerset, Barrington, Swansea, 
  Seekonk, Rehoboth, Warren, Scituate, West Greenwich and Foster.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 4179 7178 4185 7137 4187 7127 4187 7126
      4170 7119 4170 7124 4169 7129 4169 7137
      4165 7176

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR

$$

KC
4 follow-up statements
133 
WGUS71 KBOX 051907
FFSBOX

Flash Flood Statement
National Weather Service Boston/Norton MA
307 PM EDT Mon Sep 5 2022

MAC005-RIC001-003-007-052000-
/O.CON.KBOX.FF.W.0009.000000T0000Z-220905T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bristol MA-Bristol RI-Kent RI-Providence RI-
307 PM EDT Mon Sep 5 2022

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 4 PM EDT THIS 
AFTERNOON FOR WEST CENTRAL BRISTOL, BRISTOL, CENTRAL KENT AND 
SOUTHERN PROVIDENCE COUNTIES...

At 307 PM EDT, Doppler radar indicated heavy rain across the warned 
area. Between 2.5 and 3.5 inches of rain have fallen from south 
Foster to near Providence and Cranston. Additional rainfall amounts 
of 1 to 2 inches are possible in the warned area. Flash flooding is 
ongoing.

HAZARD...Flash flooding caused by heavy rain.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Providence, Warwick, Cranston, East Providence, Coventry, West 
  Warwick, Johnston, Bristol, Somerset, Barrington, Swansea, 
  Seekonk, Rehoboth, Warren, Scituate, West Greenwich and Foster.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 4179 7178 4185 7137 4187 7127 4187 7126
      4170 7119 4170 7124 4169 7129 4169 7137
      4165 7176

FLASH FLOOD...RADAR INDICATED

$$

KC
657 
WGUS51 KBOX 051923
FFWBOX
MAC005-RIC001-003-007-052130-
/O.EXT.KBOX.FF.W.0009.000000T0000Z-220905T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Boston/Norton MA
323 PM EDT Mon Sep 5 2022

The National Weather Service in Norton has extended the

* Flash Flood Warning for...
  West Central Bristol County in southeastern Massachusetts...
  Bristol County in Rhode Island...
  Central Kent County in Rhode Island...
  Southern Providence County in Rhode Island...

* Until 530 PM EDT.

* At 323 PM EDT, Doppler radar indicated heavy rain from south 
  Foster to Providence and Cranston. Between 2.5 and 4 inches of 
  rain have fallen. Additional rainfall amounts of 1 to 3 inches are 
  possible in the warned area. Flash flooding is already occurring.

  HAZARD...Life threatening flash flooding in Providence and
           Cranston. Heavy rain producing flash flooding.

  SOURCE...Radar.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Providence, Warwick, Cranston, East Providence, Coventry, West 
  Warwick, Johnston, Bristol, Somerset, Barrington, Swansea, 
  Seekonk, Rehoboth, Warren, Scituate, West Greenwich and Foster.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 4179 7178 4185 7137 4187 7127 4187 7126
      4170 7119 4170 7124 4169 7129 4169 7137
      4165 7176

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

KC
781 
WGUS71 KBOX 052031
FFSBOX

Flash Flood Statement
National Weather Service Boston/Norton MA
431 PM EDT Mon Sep 5 2022

MAC005-RIC001-052041-
/O.CAN.KBOX.FF.W.0009.000000T0000Z-220905T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bristol MA-Bristol RI-
431 PM EDT Mon Sep 5 2022

...FLASH FLOOD WARNING IS CANCELLED FOR WEST CENTRAL BRISTOL AND 
BRISTOL COUNTIES...

Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures.

A Flood Watch remains in effect until 500 PM EDT Tuesday for 
portions of northern Connecticut, Massachusetts and Rhode Island.

LAT...LON 4179 7178 4185 7134 4183 7134 4181 7134
      4180 7134 4178 7132 4177 7132 4175 7135
      4174 7135 4174 7134 4173 7134 4170 7176

$$

RIC003-007-052130-
/O.CON.KBOX.FF.W.0009.000000T0000Z-220905T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kent RI-Providence RI-
431 PM EDT Mon Sep 5 2022

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM EDT THIS 
AFTERNOON FOR NORTHERN KENT AND SOUTHERN PROVIDENCE COUNTIES...

At 431 PM EDT, Doppler radar continued to indicate heavy rain in 
southern Providence county from south Foster to Providence and 
Cranston. Between 3 and 6 inches of rain have fallen in about 2 
hours. Life threatening Flash flooding is already occurring. While 
rainfall rates have diminished, heavy rain will continue during the 
next 1-2 hours.

HAZARD...Life threatening flash flooding. Heavy rain producing
         flash flooding.

SOURCE...Radar.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
  Providence, Warwick, Cranston, East Providence, Coventry, West 
  Warwick, Johnston, Barrington, Seekonk, Scituate and Foster.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 4179 7178 4185 7134 4183 7134 4181 7134
      4180 7134 4178 7132 4177 7132 4175 7135
      4174 7135 4174 7134 4173 7134 4170 7176

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

KC
621 
WGUS51 KBOX 052054
FFWBOX
RIC003-007-052330-
/O.EXT.KBOX.FF.W.0009.000000T0000Z-220905T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Boston/Norton MA
454 PM EDT Mon Sep 5 2022

The National Weather Service in Norton has extended the

* Flash Flood Warning for...
  Northern Kent County in Rhode Island...
  Southern Providence County in Rhode Island...

* Until 730 PM EDT.

* At 454 PM EDT, Doppler radar continued to indicate heavy rain in 
  southern Providence county from Foster to Providence and Cranston. 
  Between 3 and 6 inches of rain have fallen. Life threatening Flash 
  flooding is already occurring. Periods of heavy rain will continue 
  into this evening. All travel into the warned area should be 
  avoided as many roads are closed or impassable.

  HAZARD...Life threatening flash flooding. Heavy rain producing
           flash flooding.

  SOURCE...Radar.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Providence, Warwick, Cranston, East Providence, Coventry, West 
  Warwick, Johnston, Barrington, Seekonk, Scituate and Foster.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 4179 7178 4185 7134 4183 7134 4181 7134
      4180 7134 4178 7132 4177 7132 4175 7135
      4174 7135 4174 7134 4173 7134 4170 7176

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

KC

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 5, 3:08 AM EDTFlood WatchBOXBristol, Kent, Newport, Providence, Washington34 hr
Sep 5, 10:45 AM EDTFlash Flood WarningBOXProvidence111 min
Sep 5, 12:24 PM EDTSpecial Weather StatementBOXProvidence51 min
Sep 5, 1:22 PM EDTSpecial Weather StatementBOXProvidence53 min
Sep 5, 1:38 PM EDTAreal Flood WarningBOXBristol, Kent, Providence82 min
Sep 5, 6:40 PM EDTAreal Flood WarningBOXKent, Washington3 hr
Sep 5, 7:27 PM EDTAreal Flood WarningBOXKent, Providence7 hr
Sep 5, 2:45 AM EDTSpecial Weather StatementBOXEssex, Middlesex60 min
Sep 5, 3:20 AM EDTFlash Flood WarningBOXEssex, Middlesex3 hr
Sep 5, 4:52 AM EDTSpecial Weather StatementBOXEssex, Middlesex53 min
Sep 5, 5:10 AM EDTFlash Flood WarningBOXEssex, Middlesex2 hr
Sep 5, 9:20 AM EDTSpecial Weather StatementBOXWorcester55 min

Nearby

Flash Flood Warnings in Rhode Island, 2022Flash Flood Warnings in Massachusetts, 2022Every flash flood warning in 2022

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.