Alert archive / Massachusetts / Flash Flood Warnings in 2018
Flash Flood Warning 18, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flash flood warning at Aug 4, 2018, 12:08 PM EDT for Bristol County, Plymouth County, Massachusetts; Bristol County, Newport County, Rhode Island. It was in force for 3 hr. 11 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 4, 2018, 12:08 PM EDT (16:08 UTC)
- Expired
- Aug 4, 2018, 3:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bristol County, MA, Plymouth County, MA, Bristol County, RI, Newport County, RI
The radar
The Boston radar (KBOX), 29 km from the middle of the area, began a volume at 16:07 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 4, 12:53 PM EDT | FLOOD | Fall River, MA | QUARRY STREET AT PLEASANT STREET FLOODED OUT |
| Aug 4, 1:28 PM EDT | FLOOD | Swansea, MA | INTERSECTION OF MATTCOMBER ROAD AT PAPA ROAD IS FLOODED OUT. |
| Aug 4, 1:33 PM EDT | FLOOD | Swansea, MA | OLD FALL RIVER ROAD AT ROUTE 6 IS FLOODED OUT |
| Aug 4, 1:37 PM EDT | FLOOD | Fall River, MA | BASEMENT FLOODED ON PURCHASE STREET. |
| Aug 4, 2:17 PM EDT | FLOOD | Fall River, MA | WATER UP TO KNEES OF POLICE OFFICER ON GRENELL STREET. |
| Aug 4, 2:19 PM EDT | FLOOD | Fall River, MA | FLOODED VEHICLE ON DEVALL STREET ASKING FOR POLICE ASSISTANCE. |
| Aug 4, 2:21 PM EDT | FLOOD | Fall River, MA | NORTH MAIN AT COVE AND QUARRY STREET AT STAFFORD SQUARE IMPASSIBLE DUE TO FLOODING. |
| Aug 4, 2:25 PM EDT | FLOOD | Fall River, MA | QUEQUECHAN STREET AT WALMART HAS SEVERAL CARS STUCK IN FLOOD WATERS. WARREN AND QUEQUECHAN STREETS CLOSED DUE TO FLOODING. OFF RAMP FROM 195 TO DEVOL STREET CLOSED DUE TO FLOODING. |
| Aug 4, 2:33 PM EDT | FLOOD | Fall River, MA | PEOPLE TRAPPED IN CAR DUE TO FLOODING |
| Aug 4, 2:38 PM EDT | FLOOD | Fall River, MA | PLYMOUTH AVE BY BURGER KING FLOODED OUT |
| Aug 4, 3:04 PM EDT | FLOOD | Fall River, MA | SIGNIFICANT STREET FLOODING ON I-195 NEAR BRAGA BRIDGE |
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 12:00Z, 4.1 hours before the alert went out and 93 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
- 273 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 770 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted.
609 WGUS51 KBOX 041608 FFWBOX MAC005-023-RIC001-005-041900- /O.NEW.KBOX.FF.W.0018.180804T1608Z-180804T1900Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Boston/Norton MA 1208 PM EDT SAT AUG 4 2018 The National Weather Service in Boston/Norton has issued a * Flash Flood Warning for... Southwestern Plymouth County in southeastern Massachusetts... Central Bristol County in southeastern Massachusetts... Newport County in Rhode Island... Southeastern Bristol County in Rhode Island... * Until 300 PM EDT. * At 1206 PM EDT...Doppler radar indicated torrential rain approaching the warned area. Flash flooding is expected to begin shortly especially in the urban centers. * Some locations that will experience flooding include... New Bedford, Fall River, Taunton, Dartmouth, Bridgewater, Newport, Bristol, Middleborough, Somerset, Portsmouth, Middletown, Fairhaven, Swansea, Tiverton, Westport, Raynham, Rehoboth, Carver, Warren and Lakeville. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Warning means that flooding will occur quickly, and could be life threatening for those who try to drive through flooded roads or underpasses. Find alternate routes. Those near small streams need to get to higher ground immediately. && LAT...LON 4149 7134 4196 7114 4194 7078 4160 7084 $$ Frank
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 5:56 AM EDT | Special Weather Statement | BOX | Franklin, Hampden, Hampshire | 49 min |
| Aug 4, 7:02 AM EDT | Areal Flood Advisory | BOX | Hampden, Hampshire | 58 min |
| Aug 4, 7:53 AM EDT | Areal Flood Advisory | BOX | Hampden | 3 hr |
| Aug 4, 8:48 AM EDT | Areal Flood Advisory | BOX | Hampden, Hampshire, Worcester | 3 hr |
| Aug 4, 9:31 AM EDT | Severe Thunderstorm Warning | BOX | Worcester | 44 min |
| Aug 4, 9:35 AM EDT | Tornado Warning | BOX | Worcester | 25 min |
| Aug 4, 9:57 AM EDT | Tornado Warning | BOX | Worcester | 32 min |
| Aug 4, 10:00 AM EDT | Areal Flood Advisory | BOX | Bristol, Middlesex, Norfolk, Worcester | 2 hr |
| Aug 4, 10:07 AM EDT | Tornado Warning | BOX | Middlesex, Worcester | 38 min |
| Aug 4, 10:24 AM EDT | Flash Flood Warning | BOX | Middlesex, Norfolk, Worcester | 106 min |
| Aug 4, 10:54 AM EDT | Areal Flood Advisory | BOX | Bristol, Essex, Middlesex, Norfolk, Suffolk | 2 hr |
| Aug 4, 11:14 AM EDT | Areal Flood Advisory | BOX | Barnstable, Bristol, Norfolk, Plymouth | 3 hr |
| Aug 4, 11:23 AM EDT | Flash Flood Warning | BOX | Essex, Middlesex, Norfolk, Suffolk | 93 min |
| Aug 4, 11:31 AM EDT | Flash Flood Warning | BOX | Bristol | 3 hr |
| Aug 4, 11:43 AM EDT | Special Weather Statement | BOX | Suffolk | 47 min |
| Aug 4, 11:46 AM EDT | Special Marine Warning | BOX | 119 min | |
| Aug 4, 1:46 PM EDT | Special Marine Warning | BOX | 44 min | |
| Aug 4, 1:47 PM EDT | Special Marine Warning | BOX | 43 min | |
| Aug 4, 2:17 PM EDT | Flash Flood Warning | BOX | Bristol, Plymouth | 113 min |
| Aug 4, 2:42 PM EDT | Flash Flood Warning | BOX | Bristol, Plymouth | 45 min |
| Aug 4, 4:10 PM EDT | Special Marine Warning | BOX | 35 min | |
| Aug 4, 4:26 PM EDT | Special Weather Statement | BOX | Dukes | 34 min |
| Aug 4, 4:30 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Dukes | 45 min |
| Aug 4, 4:40 PM EDT | Special Marine Warning | BOX | 35 min | |
| Aug 4, 5:14 PM EDT | Special Marine Warning | BOX | 15 min | |
| Aug 4, 5:18 PM EDT | Special Weather Statement | BOX | Barnstable | 42 min |
| Aug 4, 5:23 PM EDT | Areal Flood Advisory | BOX | Barnstable | 2 hr |
| Aug 4, 5:36 PM EDT | Special Weather Statement | BOX | Middlesex | 39 min |
| Aug 4, 6:09 PM EDT | Special Weather Statement | BOX | Worcester | 51 min |
| Aug 4, 6:36 PM EDT | Special Weather Statement | BOX | Hampden | 39 min |
| Aug 4, 6:58 PM EDT | Special Weather Statement | BOX | Worcester | 47 min |
| Aug 4, 1:54 PM EDT | Special Weather Statement | BOX | Newport | 66 min |
Nearby
Flash Flood Warnings in Massachusetts, 2018Flash Flood Warnings in Rhode Island, 2018Every flash flood warning in 2018
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.