Alert archive / Massachusetts / Flash Flood Warnings in 2008

Flash Flood Warning 4, NWS Boston/Norton, MA

June 24, 2008Bristol County, Norfolk County, Plymouth County, Massachusetts; Bristol County, Kent County, Providence County, Rhode Island

NWS Boston/Norton, MA issued this flash flood warning at Jun 24, 2008, 2:40 PM EDT for Bristol County, Norfolk County, Plymouth County, Massachusetts; Bristol County, Kent County, Providence County, Rhode Island. It was in force for 95 min. 3 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: Jun 24, 2008, 2:40 PM EDT (18:40 UTC)
Expired: Jun 24, 2008, 4:15 PM EDT
In force: 95 min
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon
Flood severity: None

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

The radar

The Boston radar (KBOX), 11 km from the middle of the area, began a volume at 18:42 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
Jun 24, 2:50 PM EDT	FLASH FLOOD	Pawtucket, RI	EAST AVE IMPASSABLE DUE TO FLOODING AND 3 INCH HAIL ACCUMULATION.
Jun 24, 2:51 PM EDT	FLASH FLOOD	North Attleborough, MA	ROUTE 1A FLOODED ACROSS FROM DUNKIN DONUTS.
Jun 24, 2:56 PM EDT	FLASH FLOOD	North Attleborough, MA	NUMEROUS STREETS...CHESNUT STREET... AT LEAST 6 INCHES OF WATER ON ROAD WITH SIMILAR ISSUES ON COMMONWEALTH AVE...AND ROUTE152.

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, 6.7 hours before the alert went out and 112 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 228 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 845 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: -18 m²/s²
0-3 km storm-relative helicity: 59 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.5

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KBOX 241840
FFWBOX
MAC005-021-023-RIC001-003-007-242015-
/O.NEW.KBOX.FF.W.0004.080624T1840Z-080624T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
240 PM EDT TUE JUN 24 2008

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN BRISTOL COUNTY IN RHODE ISLAND...
  NORTHEASTERN KENT COUNTY IN RHODE ISLAND...
  EASTERN PROVIDENCE COUNTY IN RHODE ISLAND...
  THIS INCLUDES THE CITY OF PROVIDENCE...
  SOUTHERN NORFOLK COUNTY IN EASTERN MASSACHUSETTS...
  THIS INCLUDES THE CITY OF FRANKLIN...
  NORTHWESTERN BRISTOL COUNTY IN SOUTHEAST MASSACHUSETTS...
  THIS INCLUDES THE CITIES OF...TAUNTON...NORTH ATTLEBOROUGH...
  ATTLEBOROUGH...
  EXTREME WEST CENTRAL PLYMOUTH COUNTY IN SOUTHEAST MASSACHUSETTS...

* UNTIL 415 PM EDT

* AT 233 PM EDT...TRAINED WEATHER SPOTTERS REPORTED FLASH FLOODING   
  FROM THUNDERSTORMS OVER THE WARNED AREA...ESPECIALLY IN THE EAST   
  PROVIDENCE AND PAWTUCKET AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WRENTHAM...
  WALPOLE...STOUGHTON...SHARON...RANDOLPH...PLAINVILLE...NORFOLK...
  MANSFIELD...FOXBOROUGH...EASTON AND CANTON

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

LAT...LON 4209 7145 4219 7105 4198 7104 4181 7110
      4177 7125 4170 7153
TIME...MOT...LOC 1840Z 180DEG 0KT 4200 7133

$$

RLG

1 follow-up statement

000 
WGUS71 KBOX 242003
FFSBOX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
403 PM EDT TUE JUN 24 2008

MAC005-021-023-RIC001-003-007-242015-
/O.CON.KBOX.FF.W.0004.000000T0000Z-080624T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BRISTOL RI-NORFOLK MA-PLYMOUTH MA-BRISTOL MA-PROVIDENCE RI-KENT RI-
403 PM EDT TUE JUN 24 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 415 PM EDT FOR
SOUTHERN NORFOLK COUNTY IN EASTERN MASSACHUSETTS...AND NORTHWESTERN
BRISTOL AND EXTREME WEST CENTRAL PLYMOUTH COUNTIES IN SOUTHEAST
MASSACHUSETTS...AND NORTHEASTERN KENT...EASTERN PROVIDENCE AND
NORTHWESTERN BRISTOL COUNTIES IN RHODE ISLAND...

THUNDERSTORMS HAVE MOVED OUT OF THE WARNED AREA...THEREFORE THE 
FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 415 PM.  

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WRENTHAM...
WALPOLE...STOUGHTON...SHARON...RANDOLPH...NORFOLK...MANSFIELD...
FRANKLIN...FOXBOROUGH...EASTON AND CANTON

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

LAT...LON 4209 7145 4219 7105 4198 7104 4181 7110
      4177 7125 4170 7153
TIME...MOT...LOC 2003Z 180DEG 0KT 4200 7133

$$

RLG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 1:53 AM EDT	Severe Thunderstorm Warning	BOX	Hampshire	37 min
Jun 24, 2:30 AM EDT	Severe Thunderstorm Warning	BOX	Franklin, Hampshire, Worcester	45 min
Jun 24, 2:53 AM EDT	Severe Thunderstorm Warning	BOX	Worcester	52 min
Jun 24, 11:48 AM EDT	Severe Thunderstorm Warning	BOX	Plymouth	42 min
Jun 24, 12:10 PM EDT	Special Marine Warning	BOX		65 min
Jun 24, 12:12 PM EDT	Special Marine Warning	BOX		63 min
Jun 24, 12:54 PM EDT	Severe Thunderstorm Warning	BOX	Bristol	13 min
Jun 24, 1:00 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Plymouth	60 min
Jun 24, 1:03 PM EDT	Special Marine Warning	BOX		57 min
Jun 24, 1:06 PM EDT	Severe Thunderstorm Warning	BOX	Bristol	39 min
Jun 24, 1:27 PM EDT	Severe Thunderstorm Warning	BOX	Bristol	33 min
Jun 24, 1:35 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Norfolk, Plymouth	32 min
Jun 24, 1:38 PM EDT	Areal Flood Advisory	BOX	Barnstable, Bristol, Plymouth	3 hr
Jun 24, 1:43 PM EDT	Flash Flood Warning	BOX	Bristol, Plymouth	62 min
Jun 24, 1:53 PM EDT	Special Marine Warning	BOX		67 min
Jun 24, 1:58 PM EDT	Severe Thunderstorm Warning	BOX	Barnstable	34 min
Jun 24, 2:01 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Norfolk, Plymouth	59 min
Jun 24, 2:13 PM EDT	Special Marine Warning	BOX		92 min
Jun 24, 2:31 PM EDT	Severe Thunderstorm Warning	BOX	Barnstable	59 min
Jun 24, 2:45 PM EDT	Severe Thunderstorm Warning	BOX	Franklin	45 min
Jun 24, 2:47 PM EDT	Severe Thunderstorm Warning	BOX	Bristol	22 min
Jun 24, 2:54 PM EDT	Special Marine Warning	BOX		66 min
Jun 24, 3:37 PM EDT	Special Marine Warning	BOX		53 min
Jun 24, 3:51 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex	39 min
Jun 24, 3:57 PM EDT	Severe Thunderstorm Warning	BOX	Franklin, Middlesex, Worcester	46 min
Jun 24, 4:15 PM EDT	Special Marine Warning	BOX		90 min
Jun 24, 4:19 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex, Worcester	56 min
Jun 24, 4:41 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Worcester	24 min
Jun 24, 4:47 PM EDT	Areal Flood Advisory	BOX	Essex, Middlesex, Suffolk	3 hr
Jun 24, 4:59 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Norfolk, Worcester	31 min
Jun 24, 5:04 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex, Suffolk	37 min
Jun 24, 5:22 PM EDT	Severe Thunderstorm Warning	BOX	Essex, Middlesex, Norfolk, Plymouth, Suffolk	38 min
Jun 24, 5:34 PM EDT	Special Marine Warning	BOX		86 min
Jun 24, 5:36 PM EDT	Flash Flood Warning	BOX	Essex, Middlesex, Norfolk, Suffolk	24 min
Jun 24, 6:27 PM EDT	Special Marine Warning	BOX		63 min
Jun 24, 6:56 PM EDT	Special Marine Warning	BOX		64 min
Jun 24, 12:19 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Kent, Newport, Washington	56 min
Jun 24, 1:23 PM EDT	Severe Thunderstorm Warning	BOX	Kent, Providence, Washington	67 min
Jun 24, 2:22 PM EDT	Severe Thunderstorm Warning	BOX	Kent, Newport, Washington	33 min
Jun 24, 2:26 PM EDT	Flash Flood Warning	BOX	Kent, Washington	94 min
Jun 24, 6:25 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Kent, Providence, Washington	21 min
Jun 24, 6:41 PM EDT	Severe Thunderstorm Warning	BOX	Bristol, Kent, Newport, Washington	31 min

Nearby

Flash Flood Warnings in Massachusetts, 2008 Flash Flood Warnings in Rhode Island, 2008 Every flash flood warning in 2008

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.