Alert archive / Rhode Island / Flash Flood Warnings in 2023

Flash Flood Warning 13, NWS Boston/Norton, MA

July 4, 2023Bristol County, Providence County, Rhode Island; Bristol County, Plymouth County, Massachusetts

NWS Boston/Norton, MA issued this flash flood warning at Jul 4, 2023, 3:10 PM EDT for Bristol County, Providence County, Rhode Island; Bristol County, Plymouth County, Massachusetts. It was in force for 2 hr. 27 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 4, 2023, 3:10 PM EDT (19:10 UTC)
Expired
Jul 4, 2023, 5:29 PM EDT
In force
2 hr
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon
Flood severity
None

Counties Bristol County, MA, Plymouth County, MA, Bristol County, RI, Providence County, RI

The radar

The Boston radar (KBOX), 29 km from the middle of the area, began a volume at 19:09 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
Jul 4, 3:18 PM EDTFLOOD3 Wsw Attleborough, MALaw enforcement reports significant street flooding on intersection of Newport Ave and Irving Ave in Attleboro. Relayed by amateur radio. Time estimated.
Jul 4, 3:18 PM EDTFLOOD3 Wsw Attleborough, MALaw enforcement reports significant street flooding on intersection of Newport Ave and Irving Ave in Attleboro. Relayed by amateur radio. Time estimated.
Jul 4, 3:18 PM EDTFLOOD3 Wsw Attleborough, MALaw enforcement reports significant street flooding on intersection of Newport Ave and Irving Ave in Attleboro. Relayed by amateur radio. Time estimated.
Jul 4, 3:18 PM EDTFLOOD3 Wsw Attleborough, MALaw enforcement reports significant street flooding on intersection of Newport Ave and Irving Ave in Attleboro. Relayed by amateur radio. Time estimated.
Jul 4, 3:40 PM EDTFLOOD3 Nne East Providence, RILaw enforcement reported significant street flooding on Pawtucket Ave near St. Michaels Court. Relayed by Amateur radio.
Jul 4, 3:40 PM EDTFLOOD3 Nne East Providence, RILaw enforcement reported significant street flooding on Pawtucket Ave near St. Michaels Court. Relayed by Amateur radio.
Jul 4, 3:40 PM EDTFLOOD3 Nne East Providence, RILaw enforcement reported significant street flooding on Pawtucket Ave near St. Michaels Court. Relayed by Amateur radio.
Jul 4, 3:40 PM EDTFLOOD3 Nne East Providence, RILaw enforcement reported significant street flooding on Pawtucket Ave near St. Michaels Court. Relayed by Amateur radio.
Jul 4, 3:41 PM EDTFLOOD1 Se Pawtucket, RIEntire lower, basement level of an apartment complex on Beverage Hill Ave is compromised due to flooding. American Red Cross requested to help displaced residents. Relayed by amateur radio. Time estimated by radar.
Jul 4, 3:41 PM EDTFLOOD1 Se Pawtucket, RIEntire lower, basement level of an apartment complex on Beverage Hill Ave is compromised due to flooding. American Red Cross requested to help displaced residents. Relayed by amateur radio. Time estimated by radar.
Jul 4, 3:41 PM EDTFLOOD1 Se Pawtucket, RIEntire lower, basement level of an apartment complex on Beverage Hill Ave is compromised due to flooding. American Red Cross requested to help displaced residents. Relayed by amateur radio. Time estimated by radar.
Jul 4, 3:41 PM EDTFLOOD1 Se Pawtucket, RIEntire lower, basement level of an apartment complex on Beverage Hill Ave is compromised due to flooding. American Red Cross requested to help displaced residents. Relayed by amateur radio. Time estimated by radar.
Jul 4, 4:12 PM EDTFLOOD3 Ne Rehoboth, MAPortion of Rt 44/Winthrop St is flooded to a level in which Mass dept of transportation was requested.
Jul 4, 4:12 PM EDTFLOOD3 Ne Rehoboth, MAPortion of Rt 44/Winthrop St is flooded to a level in which Mass dept of transportation was requested.
Jul 4, 4:12 PM EDTFLOOD3 Ne Rehoboth, MAPortion of Rt 44/Winthrop St is flooded to a level in which Mass dept of transportation was requested.
Jul 4, 4:12 PM EDTFLOOD3 Ne Rehoboth, MAPortion of Rt 44/Winthrop St is flooded to a level in which Mass dept of transportation was requested.
Jul 4, 4:15 PM EDTFLOODFall River, MABroadway at Ponte Delgada Blvd flooded and impassable. relayed by amateur radio.
Jul 4, 4:15 PM EDTFLOODFall River, MABroadway at Ponte Delgada Blvd flooded and impassable. relayed by amateur radio.
Jul 4, 4:15 PM EDTFLOODFall River, MABroadway at Ponte Delgada Blvd flooded and impassable. relayed by amateur radio.
Jul 4, 4:15 PM EDTFLOODFall River, MABroadway at Ponte Delgada Blvd flooded and impassable. relayed by amateur radio.
Jul 4, 4:21 PM EDTFLOOD3 W Swansea, MAHigh water across the entire portion of road near the 2000 block of Route 6 in Swansea. Several areas of low lying flooding. Relayed by Amateur Radio.
Jul 4, 4:21 PM EDTFLOOD3 W Swansea, MAHigh water across the entire portion of road near the 2000 block of Route 6 in Swansea. Several areas of low lying flooding. Relayed by Amateur Radio.
Jul 4, 4:21 PM EDTFLOOD3 W Swansea, MAHigh water across the entire portion of road near the 2000 block of Route 6 in Swansea. Several areas of low lying flooding. Relayed by Amateur Radio.
Jul 4, 4:30 PM EDTFLOOD2 Sw Fall River, MASection of bedford st in Fall River flooded and impassable with cars stuck in floodwaters. Relayed via amateur radio.
Jul 4, 4:30 PM EDTFLOOD2 Sw Fall River, MASection of bedford st in Fall River flooded and impassable with cars stuck in floodwaters. Relayed via amateur radio.
Jul 4, 4:30 PM EDTFLOOD2 Sw Fall River, MASection of bedford st in Fall River flooded and impassable with cars stuck in floodwaters. Relayed via amateur radio.
Jul 4, 4:30 PM EDTFLOOD2 Sw Fall River, MASection of bedford st in Fall River flooded and impassable with cars stuck in floodwaters. Relayed via amateur radio.

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, 7.2 hours before the alert went out and 163 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 2023-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 489 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 2023-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.19395878Sfc1 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
489 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
701 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
186 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

719 
WGUS51 KBOX 041910
FFWBOX
MAC005-023-RIC001-007-042215-
/O.NEW.KBOX.FF.W.0013.230704T1910Z-230704T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Boston/Norton MA
310 PM EDT Tue Jul 4 2023

The National Weather Service in Norton has issued a

* Flash Flood Warning for...
  Central Bristol County in southeastern Massachusetts...
  Southwestern Plymouth County in southeastern Massachusetts...
  Bristol County in Rhode Island...
  East Central Providence County in Rhode Island...

* Until 615 PM EDT.

* At 310 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain will be moving across the warned area. The expected 
  rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall 
  amounts of 1 to 3 inches are possible in the warned area. Flash 
  flooding is ongoing or expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  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, New Bedford, Fall River, Warwick, Pawtucket, Taunton, 
  East Providence, Dartmouth, Bridgewater, Bristol, Attleboro, 
  Middleborough, Easton, Norton, Somerset, Portsmouth, Barrington, 
  Swansea, Tiverton and Westport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4191 7137 4206 7091 4177 7082 4167 7116
      4167 7120 4165 7121 4162 7131 4164 7134
      4164 7133 4167 7134 4167 7135 4163 7135
      4163 7134 4163 7133 4160 7136 4171 7137
      4172 7136 4172 7137

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

$$

HF
1 follow-up statement
247 
WGUS71 KBOX 042129
FFSBOX

Flash Flood Statement
National Weather Service Boston/Norton MA
529 PM EDT Tue Jul 4 2023

MAC005-023-RIC001-007-042139-
/O.CAN.KBOX.FF.W.0013.000000T0000Z-230704T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bristol MA-Plymouth MA-Bristol RI-Providence RI-
529 PM EDT Tue Jul 4 2023

...FLASH FLOOD WARNING IS CANCELLED FOR CENTRAL BRISTOL, 
SOUTHWESTERN PLYMOUTH, BRISTOL AND EAST CENTRAL PROVIDENCE 
COUNTIES...

The showers and thunderstorms that brought the earlier torrential 
rainfall and flash flooding have pushed south of the region. 
However...runoff may continue to result in residual flooding 
especially near small streams and creeks.

LAT...LON 4191 7137 4206 7091 4177 7082 4167 7116
      4167 7120 4165 7121 4162 7131 4164 7134
      4164 7133 4167 7134 4167 7135 4163 7135
      4163 7134 4163 7133 4160 7136 4171 7137
      4172 7136 4172 7137

$$

HF

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 2:14 PM EDTSpecial Weather StatementBOXProvidence61 min
Jul 4, 2:43 PM EDTFlash Flood WarningBOXKent, Providence, Washington3 hr
Jul 4, 4:03 PM EDTFlash Flood WarningBOXNewport89 min
Jul 4, 4:17 PM EDTSpecial Weather StatementBOXNewport, Washington58 min
Jul 3, 8:44 PM EDTCoastal Flood StatementBOXBarnstable, Essex, Norfolk, Plymouth5 hr
Jul 4, 4:12 AM EDTSpecial Marine WarningBOX48 min
Jul 4, 11:12 AM EDTFlash Flood WarningBOXHampden4 hr
Jul 4, 11:41 AM EDTSpecial Weather StatementBOXHampden64 min
Jul 4, 11:54 AM EDTSpecial Marine WarningBOX66 min
Jul 4, 3:03 PM EDTSpecial Weather StatementBOXBristol57 min
Jul 4, 3:07 PM EDTCoastal Flood StatementBOXEssex, Norfolk, Plymouth11 hr
Jul 4, 3:38 PM EDTSpecial Weather StatementBOXPlymouth67 min

Nearby

Flash Flood Warnings in Rhode Island, 2023Flash Flood Warnings in Massachusetts, 2023Every flash flood warning in 2023

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.