Alert archive / Rhode Island / Flood Watches in 2011

Flood Watch 2, NWS Boston/Norton, MA

February 27, 20115 counties in Rhode Island; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut; Bristol County, Norfolk County, Plymouth County, Massachusetts

NWS Boston/Norton, MA issued this flood watch at Feb 27, 2011, 4:09 PM EST for 5 counties in Rhode Island; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut; Bristol County, Norfolk County, Plymouth County, Massachusetts. It took effect at Feb 28, 2011, 9:00 AM EST. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Feb 27, 2011, 4:09 PM EST (21:09 UTC)
In effect from
Feb 28, 2011, 9:00 AM EST
Expired
Feb 28, 2011, 3:52 PM EST
In force
7 hr
Issued by
NWS Boston/Norton, MA
Flood severity
None

Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT, Bristol County, MA, Norfolk County, MA, Plymouth County, MA, Bristol County, RI, Kent County, RI, Newport County, RI, Providence County, RI, Washington County, RI

The radar

The Boston radar (KBOX), 36 km from the middle of the area, began a volume at 21:06 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, 9.2 hours before the alert went out and 127 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 2011-02-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 2011-02-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 225 square meters per square second.1939587897117136156Sfc1 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
449 m above ground
0-6 km bulk shear
99 kt
0-1 km storm-relative helicity
225 m²/s²
0-3 km storm-relative helicity
362 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.

052 
WGUS61 KBOX 272109
FFABOX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
409 PM EST SUN FEB 27 2011

CTZ002>004-MAZ017>021-RIZ001>007-280515-
/O.NEW.KBOX.FA.A.0002.110228T1400Z-110301T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARTFORD CT-TOLLAND CT-WINDHAM CT-NORTHERN BRISTOL MA-
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-
SOUTHERN PLYMOUTH MA-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-WASHINGTON RI-NEWPORT RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...TAUNTON...BROCKTON...PLYMOUTH...
FALL RIVER...NEW BEDFORD...MATTAPOISETT...FOSTER...SMITHFIELD...
PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL...NARRAGANSETT...
WESTERLY...NEWPORT
409 PM EST SUN FEB 27 2011

...FLOOD WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
EVENING...

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* FLOOD WATCH FOR PORTIONS OF NORTHERN CONNECTICUT...
 SOUTHEASTERN MASSACHUSETTS AND RHODE ISLAND...INCLUDING THE 
 FOLLOWING AREAS...IN NORTHERN CONNECTICUT...HARTFORD CT...
 TOLLAND CT AND WINDHAM CT. IN SOUTHEASTERN MASSACHUSETTS...
 EASTERN PLYMOUTH MA...NORTHERN BRISTOL MA...SOUTHERN BRISTOL 
 MA...SOUTHERN PLYMOUTH MA AND WESTERN PLYMOUTH MA. IN RHODE 
 ISLAND...BRISTOL RI...EASTERN KENT RI...NEWPORT RI...NORTHWEST 
 PROVIDENCE RI...SOUTHEAST PROVIDENCE RI...WASHINGTON RI AND 
 WESTERN KENT RI.

* FROM MONDAY MORNING THROUGH MONDAY EVENING

* RAINFALL AMOUNTS OF ONE HALF INCH TO 1.5 INCHES COMBINED WITH
  MELTING OF THE REMAINING SNOW PACK WILL RESULT IN RISES ON AREA
  RIVERS AND STREAMS. HEAVIER SHOWERS AND A FEW THUNDERSTORMS ARE
  ALSO POSSIBLE LATE MONDAY AND MONDAY EVENING WHICH WOULD
  INCREASE THE FLOOD THREAT.

* IN ADDITION...URBAN AND POOR DRAINAGE FLOODING IS LIKELY...
  ESPECIALLY IN AREAS WHERE STORM DRAINS ARE CLOGGED WITH SNOW
  AND ICE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$$
4 follow-up statements
541 
WGUS61 KBOX 280547
FFABOX

FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
1247 AM EST MON FEB 28 2011

CTZ002>004-MAZ017>021-RIZ001>007-281400-
/O.CON.KBOX.FA.A.0002.110228T1400Z-110301T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARTFORD CT-TOLLAND CT-WINDHAM CT-NORTHERN BRISTOL MA-
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-
SOUTHERN PLYMOUTH MA-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-WASHINGTON RI-NEWPORT RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...TAUNTON...BROCKTON...PLYMOUTH...
FALL RIVER...NEW BEDFORD...MATTAPOISETT...FOSTER...SMITHFIELD...
PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL...NARRAGANSETT...
WESTERLY...NEWPORT
1247 AM EST MON FEB 28 2011

...FLOOD WATCH REMAINS IN EFFECT FROM 9 AM EST THIS MORNING
THROUGH THIS EVENING...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN CONNECTICUT...SOUTHEASTERN MASSACHUSETTS 
 AND RHODE ISLAND...INCLUDING THE FOLLOWING AREAS...IN NORTHERN 
 CONNECTICUT...HARTFORD CT...TOLLAND CT AND WINDHAM CT. IN 
 SOUTHEASTERN MASSACHUSETTS...EASTERN PLYMOUTH MA...NORTHERN 
 BRISTOL MA...SOUTHERN BRISTOL MA...SOUTHERN PLYMOUTH MA AND 
 WESTERN PLYMOUTH MA. IN RHODE ISLAND...BRISTOL RI...EASTERN 
 KENT RI...NEWPORT RI...NORTHWEST PROVIDENCE RI...SOUTHEAST 
 PROVIDENCE RI...WASHINGTON RI AND WESTERN KENT RI.

* FROM 9 AM EST THIS MORNING THROUGH THIS EVENING

* RAINFALL AMOUNTS OF ONE HALF INCH TO 1.5 INCHES COMBINED WITH
  MELTING OF THE REMAINING SNOW PACK WILL RESULT IN RISES ON AREA
  RIVERS AND STREAMS. HEAVIER SHOWERS AND A FEW THUNDERSTORMS ARE
  ALSO POSSIBLE LATE MONDAY AND MONDAY EVENING...WHICH WOULD
  INCREASE THE FLOOD THREAT.

* IN ADDITION...URBAN AND POOR DRAINAGE FLOODING IS LIKELY...
 ESPECIALLY IN AREAS WHERE STORM DRAINS ARE CLOGGED WITH SNOW 
 AND ICE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$$
264 
WGUS61 KBOX 280959
FFABOX

FLOOD WATCH
NATIONAL WEATHER SERVICE TAUNTON MA
459 AM EST MON FEB 28 2011

CTZ002>004-MAZ017>021-RIZ001>007-281800-
/O.CON.KBOX.FA.A.0002.110228T1400Z-110301T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARTFORD CT-TOLLAND CT-WINDHAM CT-NORTHERN BRISTOL MA-
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-
SOUTHERN PLYMOUTH MA-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-WASHINGTON RI-NEWPORT RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...TAUNTON...BROCKTON...PLYMOUTH...
FALL RIVER...NEW BEDFORD...MATTAPOISETT...FOSTER...SMITHFIELD...
PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL...NARRAGANSETT...
WESTERLY...NEWPORT
459 AM EST MON FEB 28 2011

...FLOOD WATCH REMAINS IN EFFECT FROM 9 AM EST THIS MORNING
THROUGH THIS EVENING...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN CONNECTICUT...SOUTHEASTERN MASSACHUSETTS 
  AND RHODE ISLAND...INCLUDING THE FOLLOWING AREAS...IN NORTHERN 
  CONNECTICUT...HARTFORD CT...TOLLAND CT AND WINDHAM CT. IN 
  SOUTHEASTERN MASSACHUSETTS...EASTERN PLYMOUTH MA...NORTHERN 
  BRISTOL MA...SOUTHERN BRISTOL MA...SOUTHERN PLYMOUTH MA AND 
  WESTERN PLYMOUTH MA. IN RHODE ISLAND...BRISTOL RI...EASTERN 
  KENT RI...NEWPORT RI...NORTHWEST PROVIDENCE RI...SOUTHEAST 
  PROVIDENCE RI...WASHINGTON RI AND WESTERN KENT RI.

* FROM 9 AM EST THIS MORNING THROUGH THIS EVENING

* RAINFALL AMOUNTS OF ONE HALF INCH TO 1.5 INCHES...COMBINED WITH
  MELTING OF THE REMAINING SNOWPACK...WILL RESULT IN RISES ON AREA
  RIVERS AND STREAMS. HEAVIER SHOWERS AND A FEW THUNDERSTORMS ARE
  ALSO POSSIBLE LATE TODAY INTO THIS EVENING...WHICH WOULD INCREASE
  THE FLOOD THREAT.

* IN ADDITION...URBAN AND POOR-DRAINAGE FLOODING IS LIKELY...
  ESPECIALLY IN AREAS WHERE STORM DRAINS ARE CLOGGED WITH SNOW 
  AND ICE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$$

BELK
964 
WGUS61 KBOX 281806 AAA
FFABOX

FLOOD WATCH...UPDATED
NATIONAL WEATHER SERVICE TAUNTON MA
106 PM EST MON FEB 28 2011

CTZ002>004-MAZ017>021-RIZ001>007-010215-
/O.CON.KBOX.FA.A.0002.000000T0000Z-110301T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARTFORD CT-TOLLAND CT-WINDHAM CT-NORTHERN BRISTOL MA-
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-
SOUTHERN PLYMOUTH MA-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-WASHINGTON RI-NEWPORT RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...TAUNTON...BROCKTON...PLYMOUTH...
FALL RIVER...NEW BEDFORD...MATTAPOISETT...FOSTER...SMITHFIELD...
PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL...NARRAGANSETT...
WESTERLY...NEWPORT
106 PM EST MON FEB 28 2011

...FLOOD WATCH REMAINS IN EFFECT UNTIL 11 PM EST THIS EVENING...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN CONNECTICUT...SOUTHEASTERN MASSACHUSETTS 
 AND RHODE ISLAND...INCLUDING THE FOLLOWING AREAS...IN NORTHERN 
 CONNECTICUT...HARTFORD CT...TOLLAND CT AND WINDHAM CT. IN 
 SOUTHEASTERN MASSACHUSETTS...EASTERN PLYMOUTH MA...NORTHERN 
 BRISTOL MA...SOUTHERN BRISTOL MA...SOUTHERN PLYMOUTH MA AND 
 WESTERN PLYMOUTH MA. IN RHODE ISLAND...BRISTOL RI...EASTERN 
 KENT RI...NEWPORT RI...NORTHWEST PROVIDENCE RI...SOUTHEAST 
 PROVIDENCE RI...WASHINGTON RI AND WESTERN KENT RI.

* UNTIL 11 PM EST THIS EVENING...ALTHOUGH THE WATCH MAY BE
  CANCELLED SOONER.

* DESPITE RAINFALL EXITING THE REGION EARLY THIS AFTERNOON SMALL
  RIVERS AND STREAMS WILL CONTINUE TO RISE IN RESPONSE TO HEAVY
  RAIN THIS MORNING COMBINED WITH MELTING OF THE REMAINING
  SNOWPACK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$$


NOCERA
289 
WGUS61 KBOX 282052 AAA
FFABOX

FLOOD WATCH...UPDATED
NATIONAL WEATHER SERVICE TAUNTON MA
352 PM EST MON FEB 28 2011

...FLOOD WATCH IS CANCELLED...

CTZ002>004-MAZ017>021-RIZ001>007-282200-
/O.CAN.KBOX.FA.A.0002.000000T0000Z-110301T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARTFORD CT-TOLLAND CT-WINDHAM CT-NORTHERN BRISTOL MA-
WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-
SOUTHERN PLYMOUTH MA-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-WASHINGTON RI-NEWPORT RI-
INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION...
VERNON...PUTNAM...WILLIMANTIC...TAUNTON...BROCKTON...PLYMOUTH...
FALL RIVER...NEW BEDFORD...MATTAPOISETT...FOSTER...SMITHFIELD...
PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL...NARRAGANSETT...
WESTERLY...NEWPORT
352 PM EST MON FEB 28 2011

...FLOOD WATCH IS CANCELLED...

THE FLOOD WATCH FOR PORTIONS OF NORTHERN CONNECTICUT...
SOUTHEASTERN MASSACHUSETTS AND RHODE ISLAND HAS BEEN CANCELLED.
LITTLE IF ANY ADDITIONAL RAINFALL IS EXPECTED THIS EVENING AND
RIVERS AND STREAMS WILL REMAIN WITHIN THEIR BANKS. THEREFORE THE
RISK OF FLOODING NO LONGER EXIST. 

$$

NOCERA

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 27, 2:27 PM ESTWinter Weather AdvisoryBOXKent, Providence22 hr
Feb 27, 5:19 AM ESTGale WatchBOX11 hr
Feb 27, 4:01 PM ESTGale WarningBOX40 hr

Nearby

Flood Watches in Rhode Island, 2011Flood Watches in Massachusetts, 2011Flood Watches in Connecticut, 2011Every flood watch in 2011

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.