Alert archive / Massachusetts / Flash Flood Warnings in 2006

Flash Flood Warning 2, NWS Boston/Norton, MA

June 1, 20064 counties in Massachusetts

NWS Boston/Norton, MA issued this flash flood warning at Jun 1, 2006, 6:57 PM EDT for 4 counties in Massachusetts. It was in force for 93 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 1, 2006, 6:57 PM EDT (22:57 UTC)
Expired
Jun 1, 2006, 8:30 PM EDT
In force
93 min
Issued by
NWS Boston/Norton, MA
Area
Counties, with a storm outline in the text

Counties Middlesex County, MA, Norfolk County, MA, Suffolk County, MA, Worcester County, MA

The radar

The Boston radar (KBOX), 42 km from the middle of the area, began a volume at 23:00 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.

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 11.0 hours before the alert went out and 141 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, Chatham, MA at 12:00Z on 2006-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Chatham, MA at 12:00Z on 2006-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
988 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS51 KBOX 012259
FFWBOX
MAC017-021-025-027-020030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
657 PM EDT THU JUN 1 2006

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN WORCESTER COUNTY IN CENTRAL MASSACHUSETTS
  THIS INCLUDES THE CITIES OF...WORCESTER...MILFORD
  SOUTHERN MIDDLESEX COUNTY IN EASTERN MASSACHUSETTS
  THIS INCLUDES THE CITIES OF...WALTHAM...SOMERVILLE...NEWTON...
  FRAMINGHAM...CAMBRIDGE
  NORFOLK COUNTY IN EASTERN MASSACHUSETTS
  THIS INCLUDES THE CITIES OF...WEYMOUTH...QUINCY...FRANKLIN...
  BROOKLINE
  SUFFOLK COUNTY IN EASTERN MASSACHUSETTS
  THIS INCLUDES THE CITY OF BOSTON

* UNTIL 830 PM EDT

* AT 655 PM EDT...THE PUBLIC REPORTED THAT URBAN FLASH FLOODING  
 WAS OCCURRING IN THE VICINTY OF SOUTHBRIDGE FROM A THUNDERSTORM
 CENTERED NEAR MILLIS...MOVING EAST AT 20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  WRENTHAM...WINTHROP...WHITINSVILLE...WESTWOOD...WESTON...
  WESTBOROUGH...WELLESLEY...WAYLAND...WATERTOWN...WALPOLE...
  UXBRIDGE...UPTON...SUTTON...SUDBURY...STOW...STOUGHTON...
  SOUTHBOROUGH...SHREWSBURY...SHERBORN...SHARON...REVERE...
  RANDOLPH...NORWOOD...NORTHBRIDGE...NORTHBOROUGH...NORFOLK...
  NEEDHAM...NATICK...MILTON...MILLVILLE...MILLBURY...MENDON...
  MEDWAY...MEDFORD...MEDFIELD...MAYNARD...MARLBOROUGH...MALDEN...
  LINCOLN...LEXINGTON...HUDSON...HOPKINTON...HOPEDALE...HOLLISTON...
  HOLBROOK...GRAFTON...FOXBOROUGH...EVERETT...DOVER...DOUGLAS...
  DEDHAM...CHELSEA...CANTON...BRAINTREE...BOYLSTON...BOLTON...
  BERLIN...BELMONT...BELLINGHAM...AUBURN...ASHLAND AND ARLINGTON.

RADAR IS ESTIMATING RAINFALL RATES OF UP TO 2 INCHES PER HOUR WITH 
THIS THUNDERSTORM.  URBAN FLASH FLOODING IS LIKELY. 

FLASH FLOODING OF POOR DRAINAGE AREAS IS LIKELY DUE TO THE TORRENTIAL
RAINFALL. CULVERTS ALONG ROADSIDES MAY BE WASHED OUT. STANDING WATER
ON ROADWAYS AND ESPECIALLY UNDERPASSES MAY RISE TO SEVERAL FEET IN
DEPTH SUBMERGING MOST VEHICLES.

LAT...LON 4226 7185 4202 7182 4202 7137 4216 7091
      4244 7101 4244 7165

$$

NMB
1 follow-up statement
000 
WGUS71 KBOX 020029
FFSBOX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
826 PM EDT THU JUN 1 2006

MAC017-021-025-027-020036-
WORCESTER MA-NORFOLK MA-SUFFOLK MA-MIDDLESEX MA-
826 PM EDT THU JUN 1 2006

...THE FLASH FLOOD WARNING FOR SOUTHERN MIDDLESEX...SUFFOLK...NORFOLK
AND SOUTHEASTERN WORCESTER COUNTIES EXPIRES AT 830 PM EDT...

HEAVY RAINFALL EARLIER THIS EVENING WHICH RESULTED IN SOME LOCALIZED
URBAN FLASH FLOODING HAS DIMINISHED SIGNIFICANTLY.  WHILE SHOWERS
WILL CONTINUE FOR THE HOUR OR TWO...THE THREAT OF FLASH FLOODING
HAS ENDED.  

A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE AREA THROUGH SATURDAY
MORNING AS ADDTIONAL PERIODS OF HEAVY RAIN ARE POSSIBLE.

$$

DRV

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 9:27 PM EDTDense Fog AdvisoryBOXBarnstable, Dukes, Nantucket12 hr
Jun 1, 3:12 PM EDTFlash Flood WatchBOXBristol, Essex, Hampden, Middlesex, Norfolk, Plymouth and 2 more51 hr
Jun 1, 5:14 PM EDTSevere Thunderstorm WarningBOXHampden31 min
Jun 1, 5:25 PM EDTSevere Thunderstorm WarningBOXWorcester50 min
Jun 1, 6:11 PM EDTSevere Thunderstorm WarningBOXWorcester34 min
Jun 1, 6:27 PM EDTSevere Thunderstorm WarningBOXNorfolk48 min
Jun 1, 6:37 PM EDTSpecial Marine WarningBOX70 days
Jun 1, 7:05 PM EDTFlash Flood WarningBOXFranklin, Hampshire115 min

Nearby

Flash Flood Warnings in Massachusetts, 2006Every flash flood warning in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.