Flash Flood Warning 22, NWS Boston/Norton, MA

Issued

Aug 2, 2017, 5:26 PM EDT (21:26 UTC)

Expired

Aug 2, 2017, 7:30 PM EDT

In force

2 hr

Issued by

NWS Boston/Norton, MA

Area

Storm-based polygon

Flood severity

None

County Suffolk County, MA

The Boston radar (KBOX), 39 km from the middle of the area, began a volume at 21:26 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.

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

791 
WGUS51 KBOX 022126
FFWBOX
MAC025-022330-
/O.NEW.KBOX.FF.W.0022.170802T2126Z-170802T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Taunton MA
526 PM EDT WED AUG 2 2017

The National Weather Service in Taunton has issued a

* Flash Flood Warning for...
  Southeastern Suffolk County in eastern Massachusetts...

* Until 730 PM EDT

* At 525 PM EDT, Doppler radar indicated thunderstorms producing 
  torrential rain near Dorchester and South Boston along the 
  Southeast Expressway. Rainfall rates of up to two inches per hour 
  will cause rapid flooding of roads and underpasses. 

* Some locations that will experience flooding include...
  South Boston, Dorchester, Quincy and Hull. 

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 4234 7092 4227 7092 4227 7095 4228 7095
      4227 7096 4227 7100 4229 7101 4230 7101
      4229 7102 4230 7104 4228 7105 4227 7109
      4234 7109

$$

JWD

514 
WGUS71 KBOX 022205
FFSBOX

Flash Flood Statement
National Weather Service Taunton MA
605 PM EDT WED AUG 2 2017

MAC025-022330-
/O.CON.KBOX.FF.W.0022.000000T0000Z-170802T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Suffolk MA-
605 PM EDT WED AUG 2 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR
SOUTHEASTERN SUFFOLK COUNTY...

At 602 PM EDT, Doppler radar indicated thunderstorms producing heavy 
rain over Boston. More thunderstorms with heavy rain were 
approaching from the southern suburbs and will move through the city 
between 630 pm and 730 pm.

Do not drive through flooded roads!

There have been many reports of significant street flooding around 
Dorchester and South Boston. Some cars have been stuck in flood 
waters.

Some locations that will continue to experience flooding include...
South Boston, Dorchester, Quincy and Hull. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Flooding could become life threatening for those who try to drive 
through flooded roads or underpasses. Find alternate routes and 
avoid flooded areas.

&&

LAT...LON 4234 7092 4227 7092 4227 7095 4228 7095
      4227 7096 4227 7100 4229 7101 4230 7101
      4229 7102 4230 7104 4228 7105 4227 7109
      4234 7109

$$

JWD

Flash Flood Warnings in Massachusetts, 2017Every flash flood warning in 2017

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.