Alert archive / Massachusetts / Flood Watches in 2012
Flood Watch 1, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flood watch at Apr 21, 2012, 4:12 PM EDT for 4 states. It took effect at Apr 22, 2012, 6:00 PM EDT. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Apr 21, 2012, 4:12 PM EDT (20:12 UTC)
- In effect from
- Apr 22, 2012, 6:00 PM EDT
- Expired
- Apr 23, 2012, 4:16 AM EDT
- In force
- 10 hr
- Issued by
- NWS Boston/Norton, MA
- Flood severity
- None
Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT, Bristol County, MA, Essex County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA, Worcester County, MA, Cheshire County, NH, Hillsborough County, NH, Bristol County, RI, Kent County, RI, Newport County, RI, Providence County, RI, Washington County, RI
The radar
The Boston radar (KBOX), 49 km from the middle of the area, began a volume at 20:12 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, 8.2 hours before the alert went out and 151 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 512 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 141 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
414 WGUS61 KBOX 212012 FFABOX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE TAUNTON MA 412 PM EDT SAT APR 21 2012 ...HEAVY RAINFALL ON THE ORDER OF 2 TO 4 INCHES IS ANTICIPATED SUNDAY INTO MONDAY ACROSS SOUTHERN NEW ENGLAND... CTZ002>004-MAZ002>021-026-NHZ011-012-015-RIZ001>007-220415- /O.NEW.KBOX.FA.A.0001.120422T2200Z-120423T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA- EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA- WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPSHIRE MA- WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA- SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN BRISTOL MA- WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA- SOUTHERN PLYMOUTH MA-NORTHERN MIDDLESEX MA-CHESHIRE NH- EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH- 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...CHARLEMONT...GREENFIELD... ORANGE...BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE... GLOUCESTER...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON... SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...NORWOOD... CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...PLYMOUTH... FALL RIVER...NEW BEDFORD...MATTAPOISETT...AYER...JAFFREY... KEENE...MANCHESTER...NASHUA...PETERBOROUGH...WEARE...FOSTER... SMITHFIELD...PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL... NARRAGANSETT...WESTERLY...NEWPORT 412 PM EDT SAT APR 21 2012 ...FLOOD WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY MORNING... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * FLOOD WATCH FOR PORTIONS OF NORTHERN CONNECTICUT... MASSACHUSETTS...SOUTHERN NEW HAMPSHIRE AND RHODE ISLAND... INCLUDING THE FOLLOWING AREAS...IN NORTHERN CONNECTICUT... HARTFORD CT...TOLLAND CT AND WINDHAM CT. IN MASSACHUSETTS... CENTRAL MIDDLESEX MA...EASTERN ESSEX MA...EASTERN FRANKLIN MA...EASTERN HAMPDEN MA...EASTERN HAMPSHIRE MA...EASTERN NORFOLK MA...EASTERN PLYMOUTH MA...NORTHERN BRISTOL MA... NORTHERN MIDDLESEX MA...NORTHERN WORCESTER MA...SOUTHEAST MIDDLESEX MA...SOUTHERN BRISTOL MA...SOUTHERN PLYMOUTH MA... SOUTHERN WORCESTER MA...SUFFOLK MA...WESTERN ESSEX MA... WESTERN FRANKLIN MA...WESTERN HAMPDEN MA...WESTERN HAMPSHIRE MA...WESTERN NORFOLK MA AND WESTERN PLYMOUTH MA. IN SOUTHERN NEW HAMPSHIRE...CHESHIRE NH...EASTERN HILLSBOROUGH NH AND WESTERN AND CENTRAL HILLSBOROUGH NH. IN RHODE ISLAND...BRISTOL RI...EASTERN KENT RI...NEWPORT RI...NORTHWEST PROVIDENCE RI... SOUTHEAST PROVIDENCE RI...WASHINGTON RI AND WESTERN KENT RI. * FROM SUNDAY EVENING THROUGH MONDAY MORNING * HEAVY RAIN IS ANTICIPATED LATE SUNDAY INTO EARLY MONDAY. THE BETTER CHANCES FOR HEAVY RAIN WILL BE ALONG THE EAST SLOPES OF HIGHER TERRAIN. EMBEDDED CONVECTION CAN NOT BE RULED OUT IN CONTRIBUTING TO LOCALLY HIGHER RAINFALL RATES. TOTAL RAINFALL ENDING BY MONDAY MORNING ARE EXPECTED TO BE BETWEEN 2 TO 4 INCHES. * FLOODING OF POOR DRAINAGE AND URBAN AREAS IS ANTICIPATED...ALONG WITH POTENTIAL SMALL STREAM FLOODING. MAINSTEM RIVERS ARE EXPECTED TO STAY BELOW FLOOD STAGE. 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. && $$ SIPPRELL
6 follow-up statements
365 WGUS61 KBOX 220405 FFABOX FLOOD WATCH NATIONAL WEATHER SERVICE TAUNTON MA 1205 AM EDT SUN APR 22 2012 ...HEAVY RAINFALL ON THE ORDER OF 2 TO 4 INCHES IS ANTICIPATED THIS AFTERNOON INTO MONDAY ACROSS SOUTHERN NEW ENGLAND... CTZ002>004-MAZ002>021-026-NHZ011-012-015-RIZ001>007-221215- /O.CON.KBOX.FA.A.0001.120422T2200Z-120423T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA- EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA- WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPSHIRE MA- WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA- SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN BRISTOL MA- WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA- SOUTHERN PLYMOUTH MA-NORTHERN MIDDLESEX MA-CHESHIRE NH- EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH- 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...CHARLEMONT...GREENFIELD... ORANGE...BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE... GLOUCESTER...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON... SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...NORWOOD... CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...PLYMOUTH... FALL RIVER...NEW BEDFORD...MATTAPOISETT...AYER...JAFFREY... KEENE...MANCHESTER...NASHUA...PETERBOROUGH...WEARE...FOSTER... SMITHFIELD...PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL... NARRAGANSETT...WESTERLY...NEWPORT 1205 AM EDT SUN APR 22 2012 ...FLOOD WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY MORNING... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHERN CONNECTICUT...MASSACHUSETTS...SOUTHERN NEW HAMPSHIRE AND RHODE ISLAND...INCLUDING THE FOLLOWING AREAS...IN NORTHERN CONNECTICUT...HARTFORD CT...TOLLAND CT AND WINDHAM CT. IN MASSACHUSETTS...CENTRAL MIDDLESEX MA...EASTERN ESSEX MA...EASTERN FRANKLIN MA...EASTERN HAMPDEN MA...EASTERN HAMPSHIRE MA...EASTERN NORFOLK MA...EASTERN PLYMOUTH MA... NORTHERN BRISTOL MA...NORTHERN MIDDLESEX MA...NORTHERN WORCESTER MA...SOUTHEAST MIDDLESEX MA...SOUTHERN BRISTOL MA... SOUTHERN PLYMOUTH MA...SOUTHERN WORCESTER MA...SUFFOLK MA... WESTERN ESSEX MA...WESTERN FRANKLIN MA...WESTERN HAMPDEN MA... WESTERN HAMPSHIRE MA...WESTERN NORFOLK MA AND WESTERN PLYMOUTH MA. IN SOUTHERN NEW HAMPSHIRE...CHESHIRE NH...EASTERN HILLSBOROUGH NH AND WESTERN AND CENTRAL HILLSBOROUGH NH. IN RHODE ISLAND...BRISTOL RI...EASTERN KENT RI...NEWPORT RI... NORTHWEST PROVIDENCE RI...SOUTHEAST PROVIDENCE RI...WASHINGTON RI AND WESTERN KENT RI. * FROM THIS EVENING THROUGH MONDAY MORNING * HEAVY RAIN IS ANTICIPATED LATE TODAY INTO EARLY MONDAY. THE BETTER CHANCES FOR HEAVY RAIN WILL BE ALONG THE EAST SLOPES OF HIGHER TERRAIN. EMBEDDED CONVECTION CAN NOT BE RULED OUT IN CONTRIBUTING TO LOCALLY HIGHER RAINFALL RATES. TOTAL RAINFALL ENDING BY MONDAY MORNING ARE EXPECTED TO BE BETWEEN 2 TO 4 INCHES. * FLOODING OF POOR DRAINAGE AND URBAN AREAS IS ANTICIPATED... ALONG WITH POTENTIAL SMALL STREAM FLOODING. MAINSTEM RIVERS ARE EXPECTED TO REMAIN BELOW FLOOD STAGE. 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. && $$ EVT
418 WGUS61 KBOX 220902 FFABOX FLOOD WATCH NATIONAL WEATHER SERVICE TAUNTON MA 502 AM EDT SUN APR 22 2012 ...HEAVY RAINFALL IS EXPECTED LATE THIS AFTERNOON INTO MONDAY ACROSS SOUTHERN NEW ENGLAND... CTZ002>004-MAZ002>021-026-NHZ011-012-015-RIZ001>007-221700- /O.CON.KBOX.FA.A.0001.120422T2200Z-120423T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA- EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA- WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPSHIRE MA- WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA- SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN BRISTOL MA- WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA- SOUTHERN PLYMOUTH MA-NORTHERN MIDDLESEX MA-CHESHIRE NH- EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH- 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...CHARLEMONT...GREENFIELD... ORANGE...BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE... GLOUCESTER...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON... SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...NORWOOD... CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...PLYMOUTH... FALL RIVER...NEW BEDFORD...MATTAPOISETT...AYER...JAFFREY... KEENE...MANCHESTER...NASHUA...PETERBOROUGH...WEARE...FOSTER... SMITHFIELD...PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL... NARRAGANSETT...WESTERLY...NEWPORT 502 AM EDT SUN APR 22 2012 ...FLOOD WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH MONDAY MORNING... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHERN CONNECTICUT...MASSACHUSETTS...SOUTHERN NEW HAMPSHIRE AND RHODE ISLAND...INCLUDING THE FOLLOWING AREAS...IN NORTHERN CONNECTICUT...HARTFORD CT...TOLLAND CT AND WINDHAM CT. IN MASSACHUSETTS...CENTRAL MIDDLESEX MA...EASTERN ESSEX MA...EASTERN FRANKLIN MA...EASTERN HAMPDEN MA...EASTERN HAMPSHIRE MA...EASTERN NORFOLK MA...EASTERN PLYMOUTH MA... NORTHERN BRISTOL MA...NORTHERN MIDDLESEX MA...NORTHERN WORCESTER MA...SOUTHEAST MIDDLESEX MA...SOUTHERN BRISTOL MA... SOUTHERN PLYMOUTH MA...SOUTHERN WORCESTER MA...SUFFOLK MA... WESTERN ESSEX MA...WESTERN FRANKLIN MA...WESTERN HAMPDEN MA... WESTERN HAMPSHIRE MA...WESTERN NORFOLK MA AND WESTERN PLYMOUTH MA. IN SOUTHERN NEW HAMPSHIRE...CHESHIRE NH...EASTERN HILLSBOROUGH NH AND WESTERN AND CENTRAL HILLSBOROUGH NH. IN RHODE ISLAND...BRISTOL RI...EASTERN KENT RI...NEWPORT RI... NORTHWEST PROVIDENCE RI...SOUTHEAST PROVIDENCE RI...WASHINGTON RI AND WESTERN KENT RI. * FROM THIS EVENING THROUGH MONDAY MORNING. * HEAVY RAIN IS ANTICIPATED LATE TODAY INTO EARLY MONDAY. THE BETTER CHANCES FOR HEAVY RAIN WILL BE ALONG THE EAST SLOPES OF HIGHER TERRAIN. EMBEDDED CONVECTION CAN NOT BE RULED OUT IN CONTRIBUTING TO LOCALLY HIGHER RAINFALL RATES. TOTAL RAINFALL ENDING BY MONDAY MORNING ARE EXPECTED TO BE BETWEEN 2 TO AS HIGH AS 4 INCHES. * FLOODING OF POOR DRAINAGE AND URBAN AREAS IS ANTICIPATED... ALONG WITH POTENTIAL SMALL STREAM FLOODING. MAINSTEM RIVERS ARE EXPECTED TO REMAIN BELOW FLOOD STAGE. 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. && $$ EVT
282 WGUS61 KBOX 221608 FFABOX FLOOD WATCH NATIONAL WEATHER SERVICE TAUNTON MA 1208 PM EDT SUN APR 22 2012 ...HEAVY RAINFALL IS EXPECTED LATE THIS AFTERNOON INTO MONDAY ACROSS SOUTHERN NEW ENGLAND... CTZ002>004-MAZ002>021-026-NHZ011-012-015-RIZ001>007-230015- /O.CON.KBOX.FA.A.0001.120422T2200Z-120423T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA- EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA- WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPSHIRE MA- WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA- SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN BRISTOL MA- WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA- SOUTHERN PLYMOUTH MA-NORTHERN MIDDLESEX MA-CHESHIRE NH- EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH- 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...CHARLEMONT...GREENFIELD... ORANGE...BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE... GLOUCESTER...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON... SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...NORWOOD... CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...PLYMOUTH... FALL RIVER...NEW BEDFORD...MATTAPOISETT...AYER...JAFFREY... KEENE...MANCHESTER...NASHUA...PETERBOROUGH...WEARE...FOSTER... SMITHFIELD...PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL... NARRAGANSETT...WESTERLY...NEWPORT 1208 PM EDT SUN APR 22 2012 ...FLOOD WATCH REMAINS IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH MONDAY MORNING... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHERN CONNECTICUT...MASSACHUSETTS...SOUTHERN NEW HAMPSHIRE AND RHODE ISLAND...INCLUDING THE FOLLOWING AREAS...IN NORTHERN CONNECTICUT...HARTFORD CT...TOLLAND CT AND WINDHAM CT. IN MASSACHUSETTS...CENTRAL MIDDLESEX MA...EASTERN ESSEX MA...EASTERN FRANKLIN MA...EASTERN HAMPDEN MA...EASTERN HAMPSHIRE MA...EASTERN NORFOLK MA...EASTERN PLYMOUTH MA... NORTHERN BRISTOL MA...NORTHERN MIDDLESEX MA...NORTHERN WORCESTER MA...SOUTHEAST MIDDLESEX MA...SOUTHERN BRISTOL MA... SOUTHERN PLYMOUTH MA...SOUTHERN WORCESTER MA...SUFFOLK MA... WESTERN ESSEX MA...WESTERN FRANKLIN MA...WESTERN HAMPDEN MA... WESTERN HAMPSHIRE MA...WESTERN NORFOLK MA AND WESTERN PLYMOUTH MA. IN SOUTHERN NEW HAMPSHIRE...CHESHIRE NH...EASTERN HILLSBOROUGH NH AND WESTERN AND CENTRAL HILLSBOROUGH NH. IN RHODE ISLAND...BRISTOL RI...EASTERN KENT RI...NEWPORT RI... NORTHWEST PROVIDENCE RI...SOUTHEAST PROVIDENCE RI...WASHINGTON RI AND WESTERN KENT RI. * FROM 6 PM EDT THIS EVENING THROUGH MONDAY MORNING * RAIN WILL BECOME HEAVY AT TIMES LATE THIS AFTERNOON AND TONIGHT. THE BEST CHANCE FOR HEAVY RAIN WILL BE ALONG THE EAST SLOPES OF HIGHER TERRAIN. EMBEDDED CONVECTION CAN NOT BE RULED OUT IN CONTRIBUTING TO LOCALLY HIGHER RAINFALL RATES. TOTAL RAINFALL BY MONDAY MIDDAY WILL BE BETWEEN 2 AND 4 INCHES. * FLOODING OF POOR DRAINAGE AND URBAN AREAS IS ANTICIPATED... ALONG WITH POTENTIAL SMALL STREAM FLOODING. MAINSTEM RIVERS ARE EXPECTED TO REMAIN BELOW FLOOD STAGE. 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. && $$
637 WGUS61 KBOX 222012 FFABOX FLOOD WATCH NATIONAL WEATHER SERVICE TAUNTON MA 412 PM EDT SUN APR 22 2012 ...HEAVY RAINFALL TONIGHT WILL CONTINUE INTO MONDAY ACROSS SOUTHERN NEW ENGLAND... CTZ002>004-MAZ002>021-026-NHZ011-012-015-RIZ001>007-230415- /O.CON.KBOX.FA.A.0001.120422T2200Z-120423T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA- EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA- WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPSHIRE MA- WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA- SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN BRISTOL MA- WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA- SOUTHERN PLYMOUTH MA-NORTHERN MIDDLESEX MA-CHESHIRE NH- EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH- 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...CHARLEMONT...GREENFIELD... ORANGE...BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE... GLOUCESTER...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON... SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...NORWOOD... CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...PLYMOUTH... FALL RIVER...NEW BEDFORD...MATTAPOISETT...AYER...JAFFREY... KEENE...MANCHESTER...NASHUA...PETERBOROUGH...WEARE...FOSTER... SMITHFIELD...PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL... NARRAGANSETT...WESTERLY...NEWPORT 412 PM EDT SUN APR 22 2012 ...FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY MORNING... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHERN CONNECTICUT...MASSACHUSETTS...SOUTHERN NEW HAMPSHIRE AND RHODE ISLAND...INCLUDING THE FOLLOWING AREAS...IN NORTHERN CONNECTICUT...HARTFORD CT...TOLLAND CT AND WINDHAM CT. IN MASSACHUSETTS...CENTRAL MIDDLESEX MA...EASTERN ESSEX MA...EASTERN FRANKLIN MA...EASTERN HAMPDEN MA...EASTERN HAMPSHIRE MA...EASTERN NORFOLK MA...EASTERN PLYMOUTH MA... NORTHERN BRISTOL MA...NORTHERN MIDDLESEX MA...NORTHERN WORCESTER MA...SOUTHEAST MIDDLESEX MA...SOUTHERN BRISTOL MA... SOUTHERN PLYMOUTH MA...SOUTHERN WORCESTER MA...SUFFOLK MA... WESTERN ESSEX MA...WESTERN FRANKLIN MA...WESTERN HAMPDEN MA... WESTERN HAMPSHIRE MA...WESTERN NORFOLK MA AND WESTERN PLYMOUTH MA. IN SOUTHERN NEW HAMPSHIRE...CHESHIRE NH...EASTERN HILLSBOROUGH NH AND WESTERN AND CENTRAL HILLSBOROUGH NH. IN RHODE ISLAND...BRISTOL RI...EASTERN KENT RI...NEWPORT RI... NORTHWEST PROVIDENCE RI...SOUTHEAST PROVIDENCE RI...WASHINGTON RI AND WESTERN KENT RI. * THROUGH MONDAY MORNING * RAIN WILL BE HEAVY AT TIMES TONIGHT AND EARLY MONDAY. THE BEST CHANCE FOR HEAVY RAIN WILL BE ALONG THE EAST SLOPES OF HIGHER TERRAIN. EMBEDDED CONVECTION CAN NOT BE RULED OUT IN CONTRIBUTING TO LOCALLY HIGHER RAINFALL RATES. TOTAL RAINFALL BY MONDAY MIDDAY WILL BE BETWEEN 2 AND 4 INCHES. * FLOODING OF POOR DRAINAGE AND URBAN AREAS IS ANTICIPATED... ALONG WITH POTENTIAL SMALL STREAM FLOODING. MAINSTEM RIVERS ARE EXPECTED TO REMAIN BELOW FLOOD STAGE. 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. && $$
530 WGUS61 KBOX 230022 AAA FFABOX FLOOD WATCH...UPDATED NATIONAL WEATHER SERVICE TAUNTON MA 822 PM EDT SUN APR 22 2012 ...HEAVY RAINFALL TONIGHT INTO EARLY MONDAY MORNING ACROSS SOUTHERN NEW ENGLAND... CTZ002>004-MAZ002>021-026-NHZ011-012-015-RIZ001>007-230830- /O.CON.KBOX.FA.A.0001.000000T0000Z-120423T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA- EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA- WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPSHIRE MA- WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA- SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN BRISTOL MA- WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA- SOUTHERN PLYMOUTH MA-NORTHERN MIDDLESEX MA-CHESHIRE NH- EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH- 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...CHARLEMONT...GREENFIELD... ORANGE...BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE... GLOUCESTER...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON... SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...NORWOOD... CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...PLYMOUTH... FALL RIVER...NEW BEDFORD...MATTAPOISETT...AYER...JAFFREY... KEENE...MANCHESTER...NASHUA...PETERBOROUGH...WEARE...FOSTER... SMITHFIELD...PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL... NARRAGANSETT...WESTERLY...NEWPORT 822 PM EDT SUN APR 22 2012 ...FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY MORNING... THE FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHERN CONNECTICUT...MASSACHUSETTS...SOUTHERN NEW HAMPSHIRE AND RHODE ISLAND...INCLUDING THE FOLLOWING AREAS...IN NORTHERN CONNECTICUT...HARTFORD CT...TOLLAND CT AND WINDHAM CT. IN MASSACHUSETTS...CENTRAL MIDDLESEX MA...EASTERN ESSEX MA...EASTERN FRANKLIN MA...EASTERN HAMPDEN MA...EASTERN HAMPSHIRE MA...EASTERN NORFOLK MA...EASTERN PLYMOUTH MA... NORTHERN BRISTOL MA...NORTHERN MIDDLESEX MA...NORTHERN WORCESTER MA...SOUTHEAST MIDDLESEX MA...SOUTHERN BRISTOL MA... SOUTHERN PLYMOUTH MA...SOUTHERN WORCESTER MA...SUFFOLK MA... WESTERN ESSEX MA...WESTERN FRANKLIN MA...WESTERN HAMPDEN MA... WESTERN HAMPSHIRE MA...WESTERN NORFOLK MA AND WESTERN PLYMOUTH MA. IN SOUTHERN NEW HAMPSHIRE...CHESHIRE NH...EASTERN HILLSBOROUGH NH AND WESTERN AND CENTRAL HILLSBOROUGH NH. IN RHODE ISLAND...BRISTOL RI...EASTERN KENT RI...NEWPORT RI... NORTHWEST PROVIDENCE RI...SOUTHEAST PROVIDENCE RI...WASHINGTON RI AND WESTERN KENT RI. * THROUGH MONDAY MORNING * RAIN WILL BE HEAVY AT TIMES TONIGHT INTO EARLY MONDAY. THE HEAVIEST RAIN WILL FALL FROM 10 PM TONIGHT TO ABOUT 8 AM MONDAY MORNING...WHICH WILL RESULT IN A SLOW MORNING COMMUTE ESPECIALLY ACROSS RHODE ISLAND AND EASTERN MASSACHUSETTS. ISOLATED THUNDERSTORMS ARE POSSIBLE AND WILL CONTRIBUTE TO LOCALLY HIGHER RAINFALL RATES. RAIN WILL TAPER OFF TO SHOWERS BY MIDDAY MONDAY WITH TOTAL RAINFALL BY THEN RANGING FROM 1 TO 2 INCHES WITH LOCALLY 3 TO 4 INCHES ACROSS THE HIGHER TERRAIN OF WESTERN PORTIONS OF CONNECTICUT AND MASSACHUSETTS INCLUDING THE HILLY TERRAIN OF NORTHEAST CONNECTICUT...NORTHWEST RHODE ISLAND NORTHWARD ACROSS THE WORCESTER HILLS INTO THE MONADNOCKS OF SOUTHERN NH. * FLOODING OF POOR DRAINAGE AND URBAN AREAS IS ANTICIPATED... ALONG WITH POTENTIAL SMALL STREAM FLOODING. MAINSTEM RIVERS ARE EXPECTED TO REMAIN BELOW FLOOD STAGE. 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
710 WGUS61 KBOX 230816 FFABOX FLOOD WATCH NATIONAL WEATHER SERVICE TAUNTON MA 416 AM EDT MON APR 23 2012 CTZ002>004-MAZ002>021-026-NHZ011-012-015-RIZ001>007-230930- /O.CAN.KBOX.FA.A.0001.000000T0000Z-120423T1600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA- EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA- WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPSHIRE MA- WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA- SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN BRISTOL MA- WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA- SOUTHERN PLYMOUTH MA-NORTHERN MIDDLESEX MA-CHESHIRE NH- EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH- 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...CHARLEMONT...GREENFIELD... ORANGE...BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE... GLOUCESTER...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON... SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...NORWOOD... CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON...PLYMOUTH... FALL RIVER...NEW BEDFORD...MATTAPOISETT...AYER...JAFFREY... KEENE...MANCHESTER...NASHUA...PETERBOROUGH...WEARE...FOSTER... SMITHFIELD...PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL... NARRAGANSETT...WESTERLY...NEWPORT 416 AM EDT MON APR 23 2012 ...FLOOD WATCH IS CANCELLED... THE FLOOD WATCH FOR PORTIONS OF NORTHERN CONNECTICUT... MASSACHUSETTS...SOUTHERN NEW HAMPSHIRE AND RHODE ISLAND HAS BEEN CANCELLED. THE WIDESPREAD MODERATE TO HEAVY RAINFALL HAS MOVED NORTH OF OUR REGION EARLY THIS MORNING. ADDITIONAL SCATTERED SHOWERS WILL CONTINUE THROUGH THIS MORNING. ANY ADDITIONAL RAINFALL THIS MORNING IS NOT EXPECTED TO RESULT IN SIGNIFICANT FLOODING. $$ BELK
What forecasters said that day
The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Boston/Norton, MA wrote its last area forecast discussion before this flood watch went out at Apr 21, 4:11 PM EDT, 1 minute earlier.
Area forecast discussion, Apr 21, 4:11 PM EDT, 1 minute before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
411 PM EDT SAT APR 21 2012
.SYNOPSIS...
FAIR WEATHER CONTINUES THIS EVENING WITH A SOUTH TO SOUTHWEST
FLOW. A COLD FRONT OVER NEW YORK STATE WILL MOVE EAST TONIGHT AND
REACH THE NEW ENGLAND COAST BY SUNDAY MORNING...THEN STALL OFF THE
COAST DURING SUNDAY. LOW PRESSURE FROM THE GULF OF MEXICO WILL
MOVE UP THE FRONT SUNDAY AND WEST OF NEW ENGLAND MONDAY.
&&
.NEAR TERM /UNTIL 6 AM SUNDAY MORNING/...
LOW CLOUDS/FOG LINGERING ALONG THE SOUTH COAST ESPECIALLY ON THE
ISLANDS. MORE FOG IS ADVECTING NORTH ACROSS THE OCEAN...SO EXPECT
THIS TO LINGER ALONG THE SOUTH COAST AND ISLANDS THROUGH THROUGH
MUCH OF THE NIGHT. THE FOG WILL SLOWLY SPREAD INLAND WITH A
PREFERENCE FOR THE COASTAL PLAIN.
A COLD FRONT BETWEEN ALBANY AND UTICA NEW YORK WILL SLOWLY MOVE
EAST TONIGHT. MUCH OF THE UPPER FLOW IS PARALLEL TO THE FRONT...SO
IT WILL TAKE MUCH OF THE NIGHT FOR THE FRONT TO CROSS. CURRENT
SHOWERS IN EASTERN NEW YORK SHOULD MOVE INTO NORTHERN NEW
ENGLAND...BUT MORE SHOWERS AND POSSIBLE THUNDER WILL MOVE UP FROM
THE MID ATLANTIC STATES AND AFFECT NEW ENGLAND TONIGHT. ALL MODELS
AGREE ON LIFT AND MEASUREABLE PCPN MOVING THROUGH...BEST TIME
WOULD BE 06Z TO 12Z. WE HAVE LIKELY POPS MOVING WEST TO EAST
DURING THIS TIME PERIOD.
MUCH OF THE EVENING WILL HAVE SOUTH TO SOUTHWEST WINDS...SHIFTING
TO NORTHWEST AND NORTH OVERNIGHT AS THE FRONT MOVES THROUGH.
DEWPOINTS ARE IN THE UPPER 40S TO MID 50S...THIS WOULD SEEM A GOOD
TARGET FOR MIN TEMPS. A BLEND OF MOS VALUES AGREES.
&&
.SHORT TERM /6 AM SUNDAY MORNING THROUGH SUNDAY NIGHT/...
SHORTWAVE DIVING OUT OF THE NORTHERN PLAINS WILL PHASE THE
NORTHERN STREAM WITH A CLOSED LOW OVER THE GULF OF MEXICO. THE
RESULTING DEEP UPPER TROUGH WILL ALLOW THE GULF LOW TO KICK NORTH
UP THE EAST COAST AND ALONG THE STALLED COLD FRONT.
STRONG SOUTH WINDS ALOFT...60 KNOTS AT 925 MB...WILL MOVE UP FROM
THE GULF AND BAHAMAS AND ACROSS THE STALLED COLD FRONT. THE
RESULTING LIFT WILL WRING OUT MUCH OF THE MOISTURE ASSOCIATED WITH
THE WARM AIR. DEWPOINTS AT 925 MB ARE FORECAST AT 14C...WITH
VALUES OF 10C AT 850 MB. PRECIPITABLE WATER VALUES ARE FORECAST AT
1.5 INCHES...WHICH AS THE MIDNIGHT SHIFT NOTED IS QUITE HIGH FOR
LATE APRIL. THE COMBINATION OF LIFT AND MOISTURE SHOULD BRING A
GOOD SUPPLY OF RAIN. SO WE HAVE CATEGORICAL POPS MOVING IN FROM
THE SOUTH SUNDAY AFTERNOON AND CONTINUING THROUGH NIGHT. WE USED
STRATIFORM PCPN FOR SUNDAY NIGHT BASED ON THE CONFIGURATION AND
STRONG FORECAST ISENTROPIC LIFT. AS FOR AMOUNTS...WE FOLLOWED THE
NE RIVER FORECAST CENTER VALUES...WHICH TOTAL 3-4 INCHES SUNDAY-
MONDAY WITH LESSER VALUES ON CAPE COD AND THE ISLANDS.
WITH THIS IN MIND...IT IS TIME FOR A FLOOD WATCH FOR MOST OF OUR
AREA. WE LEFT OUT THE CAPE AND VINEYARD-NANTUCKET DUE TO LESSER
FORECAST AMOUNTS.
THE STRONG WINDS ALOFT CONTINUE TO GIVE CONCERN FOR A POTENTIAL
WIND ADVISORY FOR THE CAPE AND ISLANDS. BUT LOW LEVEL TEMPERATURE
INVERSION WILL MAKE THIS MORE OF A CHALLENGE. BECAUSE OF THIS AND
THE TIME FACTOR...WE HELD OFF ON ANY WIND HEADLINES.
TEMPS ARE A BLEND OF MOS...THE EAST WIND OFF THE WATER SHOULD HOLD
TEMPS DOWN IN ANY CASE.
&&
.LONG TERM /MONDAY THROUGH SATURDAY/...
HIGHLIGHTS...
* RAIN AND STRONG WINDS SUN NIGHT INTO MON
* SCATTERED SHOWERS POSSIBLE INTO MIDWEEK
DETAILS...
MODELS REMAIN IN GOOD AGREEMENT ON EVOLUTION OF LARGER SCALE
FEATURES SUN NIGHT AND MON...AS CUTOFF UPPER LOW FORMS OVER OH
VALLEY AND SLOWLY PIVOTS AROUND MID ATLANTIC REGION INTO WESTERN
NY. TREND ON 00Z MODELS HAS BEEN FOR A MORE INLAND TRACK OF
SURFACE LOW...EITHER OVER EASTERN NY OR WESTERN NEW ENGLAND AS IT
BECOMES CAPTURED BY UPPER LOW.
ALL INGREDIENTS ARE COMING TOGETHER FOR HEAVY RAIN SUN NIGHT AND
MON. ANOMALOUSLY STRONG 850 MB SOUTHERLY JET /+4 TO +5 SD/ IS
EXPECTED TO TRANSPORT DEEP PLUME OF MOISTURE NORTHWARD WITH
PRECIPITABLE WATER VALUES REACHING 1.50 INCHES...WHICH IS NEAR
99TH PERCENTILE FOR LATE APRIL. DECENT MID LEVEL FRONTOGENESIS AND
STRONG LOW LEVEL CONVERGENCE SHOULD PROVIDE SUFFICIENT LIFT AND
PROMOTE EFFICIENT RAIN PROCESS AS WELL. STILL TOUGH TO PINPOINT
WHERE HEAVIEST RAINFALL WILL SET UP...BUT WITH LOW LEVEL SE FLOW
WE WOULD EXPECT THIS TO BE ACROSS INTERIOR...ESPECIALLY ON E
FACING SLOPES OF BERKSHIRES AND WORCESTER HILLS.
FORECAST CONTINUES TO SHOW RAINFALL TOTALS OF 2 TO 3 INCHES OVER
MOST OF AREA...WITH 1 TO 2 INCHES NEAR CAPE COD AND ISLANDS. STILL
HAVE A LOW PROBABILITY OF SPOT 4 INCH TOTALS. SEE HYDRO SECTION
BELOW FOR POTENTIAL IMPACTS.
IN ADDITION TO RAIN...WE ALSO HAVE TO CONSIDER WIND IMPACTS WITH
THIS SYSTEM. FORECAST SOUNDINGS SHOW VERY STRONG SE LOW LEVEL JET
MOVING THROUGH SE NEW ENGLAND EARLY MON MORNING...ON ORDER OF
55-65KT IN LOWEST FEW THOUSAND FEET. WHILE STRONG INVERSION WILL
PREVENT THESE WINDS FROM MIXING TO SURFACE...MOMENTUM SHOULD BE
ABLE TO YIELD GUSTS OF AT LEAST 40KT.
LOCAL HIGH WIND CLIMATOLOGY IS LIMITED FOR SE FLOW EVENTS. HOWEVER
FAVORABLE FACTORS INCLUDE 925 MB WINDS OF 75KT...LOW LEVEL LAPSE
RATES OF -2C/KM AND GOOD PRESSURE FALLS /9 MB IN 6HR/. SINCE IT IS
NORMALLY DIFFICULT TO GET HIGH WINDS IN SE FLOW DECIDED AGAINST
ANY HIGH WIND WATCHES FOR SOUTHERN RI AND SE MA FOR NOW...THINKING
WE WILL SEE WIND ADVISORY CRITERIA /45 TO 50 MPH/ INSTEAD.
UPPER LOW REMAINS TO OUR W TUE...KEEPING US IN BROAD CYCLONIC FLOW
WHICH SHOULD PRODUCE DIURNAL CLOUDS AND SCATTERED SHOWERS...
ESPECIALLY ACROSS INTERIOR. MODELS BEGIN TO LIFT TROUGH OUT OF
EAST WED BUT THIS MAY BE A LITTLE FAST. PATTERN REMAINS UNSETTLED
THROUGH END OF WEEK AND LENDS LOW CONFIDENCE...BUT SEEMS TO FAVOR
NEAR NORMAL TEMPERATURES AND PERHAPS A FEW SHOWERS THU.
&&
.AVIATION /20Z SATURDAY THROUGH THURSDAY/...
FORECASTER CONFIDENCE LEVELS...
LOW...LESS THAN 30 PERCENT
MODERATE...30 PERCENT TO 60 PERCENT
HIGH...GREATER THAN 60 PERCENT
THIS AFTERNOON...
VFR AWAY FROM THE SOUTH COAST WITH DIURNAL CUMULUS. FOG AND LOW
CLOUDS LINGER ALONG THE SOUTH COAST WITH MORE MOVING NORTH OFF THE
OCEAN. EXPECT LIFR CIGS ALONG THE SOUTH COAST AND ESPECIALLY OVER
THE ISLANDS. ACK HAS LINGERED AT 1/4 IN FG THROUGH
MIDAFTERNOON...NO REASON BASED ON SATELLITE TO EXPECT THIS TO
CHANGE THE REMAINDER OF THE DAY. MODERATE TO HIGH CONFIDENCE.
TONIGHT...
FOG AND LOW CLOUDS SHOULD FILL IN OVER THE COASTAL PLAIN EARLY
TONIGHT. MEANWHILE COLD FRONT OVER NEW YORK STATE WILL SHIFT
EAST AND BRING A WIND SHIFT AND SHOWERS. THESE ENTER THE CT
VALLEY AFTER 03Z AND EASTERN MASS/RI AROUND 06Z-09Z. SHOWERS MAY
BRING A PERIOD OF MVFR CIGS/IFR VSBYS.
SUNDAY...
COLD FRONT STALLS JUST OFFSHORE. WINDS SHIFT TO NORTH AND
EVENTUALLY NORTHEAST. LOW PRESSURE MOVES UP THE FRONT WITH
INCREASING NORTHEAST WIND AND LOWERING CIGS/VSBYS TO IFR/LIFR.
MODERATE TO HIGH CONFIDENCE.
SUNDAY NIGHT...
IFR/LIFR IN RAIN AND FOG. STRONG EAST WINDS ALONG THE COAST WITH
GUSTS TO 40 KNOTS. MODERATE TO HIGH CONFIDENCE.
KBOS TAF...
VFR THROUGH THE EVENING. CONDITIONS LOWER TO MVFR CIGS/VSBYS IN
SHOWERS AND FOG TONIGHT...ESPECIALLY AFTER 09Z. SHOWERS MAY BREAK
FOR A FEW HOURS MID MORNING...BUT LARGE AREA OF RAIN MOVES NORTH
DURING THE AFTERNOON AND SHOULD BRING IFR CIGS/VSBYS TOWARD SUNDAY
EVENING THROUGH SUNDAY NIGHT. MODERATE CONFIDENCE.
OUTLOOK...MONDAY THROUGH THURSDAY...
MON...IFR/MVFR IN SHOWERS...ESPECIALLY IN MORNING. STRONG E/SE
WINDS NEAR COAST. HIGH CONFIDENCE.
TUE AND WED...MVFR POSSIBLE IN SCATTERED SHOWERS. MODERATE
CONFIDENCE.
&&
.MARINE...
TONIGHT...COLD FRONT WILL MOVE TOWARD THE WATERS LATE TONIGHT THEN
STALLS AROUND CAPE COD OR JUST OFF THE COAST. SEAS WILL REMAIN
AROUND 5 FT ON THE OUTER WATERS MAINLY E AND S OF CAPE COD.
SUNDAY...WINDS WILL SHIFT FROM NE EARLY TO EAST DURING THE DAY AS
THE LOW APPROACHES. EXPECT WIND GUSTS 20-25 KT ACROSS THE SOUTHERN
WATERS DURING THE AFTERNOON. SEAS WILL RUN AROUND 5-6 FT ON THE
OUTER WATERS.
SUNDAY NIGHT...A GALE WATCH CONTINUES FOR ALL WATERS LATE SUNDAY
NIGHT INTO MONDAY. LOW PRESSURE APPROACHES ON A TRACK TOWARD NEW
YORK STATE...AND A STRONG SOUTH WIND MOVES OVERHEAD AT 2000-5000
FEET ALOFT. WINDS AT THAT LEVEL ARE EXPECTED TO REACH 60
KNOTS...AND THE EXPECTATION IS THAT RAIN WILL BE ABLE TO DRAG
35-40 KNOT GUSTS DOWN TO THE SURFACE. THERE IS A LOW PROBABILITY
OF STORM FORCE WIND GUSTS ON THE WATERS NEAR CAPE COD AND THE
ISLANDS AROUND SUNRISE MONDAY.
OUTLOOK...MONDAY THROUGH THURSDAY...
ANOTHER ROUND OF GALES /SW/ POSSIBLE ON S COASTAL WATERS TUE AS
BROAD LOW PRESSURE REMAINS W OF REGION. WINDS AND SEAS SHOULD
DIMINISH BELOW SCA WED.
&&
.FIRE WEATHER...
MUCH NEEDED SOAKING RAIN ARRIVES SUNDAY AND LASTS INTO MONDAY.
SCATTERED SHOWERS AND HIGHER HUMIDITY VALUES ARE EXPECTED THROUGH AT
LEAST THE MIDDLE OF NEXT WEEK.
&&
.HYDROLOGY...
RAINFALL TOTALS OF 2 TO 4 INCHES ARE EXPECTED SUNDAY INTO MONDAY
WITH THE HIGHEST AMOUNTS FAVORED ON EAST FACING SLOPES OF
BERKSHIRES AND WORCESTER HILLS. TOTALS SHOULD BE LOWER ON CAPE COD
AND ISLANDS BUT EVEN THERE 1 TO 2 INCHES OF RAIN SHOULD FALL.
SINCE IT HAS BEEN SO DRY...THIS AMOUNT OF RAINFALL IS NOT EXPECTED
TO RESULT IN SIGNIFICANT FLOODING OF RIVERS AND STREAMS. THE MOST
LIKELY SCENARIO IS FOR URBAN/POOR DRAINAGE FLOODING IN ANY HEAVIER
DOWNPOURS SUNDAY NIGHT AND MONDAY. IT IS ALSO POSSIBLE THAT SOME
OF THE SMALLER AND FASTER RESPONDING RIVERS COULD GO INTO MINOR
FLOOD IF RAINFALL TOTALS REACH 3 TO 4 INCHES OVER A LARGE AREA.
&&
.TIDES/COASTAL FLOODING...
SURGE OF 1 TO 1 1/2 FT IS EXPECTED MON WHICH WOULD NOT BE ENOUGH
TO RESULT IN MINOR COASTAL FLOODING. ALTHOUGH TIDES ARE
ASTRONOMICALLY HIGH DUE TO NEW MOON...WE WOULD NEED TO HAVE A
SURGE OF 2 TO 3 FT WHICH IS NOT LIKELY.
ALONG S COAST...STRONGEST WINDS SHOULD ARRIVE A FEW HOURS PRIOR TO
HIGH TIDE MON MORNING. THIS WOULD BE MAIN AREA OF CONCERN FOR
MINOR FLOODING SHOULD STRONGER WINDS BE DELAYED A FEW HOURS.
ALONG E COAST...HIGH TIDE DOES NOT OCCUR UNTIL EARLY AFTERNOON AND
BY THEN STRONGEST WINDS SHOULD HAVE PASSED OFFSHORE.
&&
.BOX WATCHES/WARNINGS/ADVISORIES...
CT...FLOOD WATCH FROM SUNDAY EVENING THROUGH MONDAY MORNING FOR
CTZ002>004.
MA...FLOOD WATCH FROM SUNDAY EVENING THROUGH MONDAY MORNING FOR
MAZ002>021-026.
NH...FLOOD WATCH FROM SUNDAY EVENING THROUGH MONDAY MORNING FOR
NHZ011-012-015.
RI...FLOOD WATCH FROM SUNDAY EVENING THROUGH MONDAY MORNING FOR
RIZ001>007.
MARINE...GALE WATCH FROM LATE SUNDAY NIGHT THROUGH MONDAY AFTERNOON FOR
ANZ231>235-237-254>256.
GALE WATCH FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING FOR
ANZ230-236.
GALE WATCH FROM LATE SUNDAY NIGHT THROUGH MONDAY AFTERNOON FOR
ANZ250-251.
SMALL CRAFT ADVISORY FROM 10 PM THIS EVENING TO MIDNIGHT EDT
SUNDAY NIGHT FOR ANZ250-254>256.
&&
SYNOPSIS...WTB/SIPPRELL
NEAR TERM...WTB
SHORT TERM...WTB
LONG TERM...SIPPRELL
AVIATION...WTB/SIPPRELL
MARINE...WTB/SIPPRELL
FIRE WEATHER...
HYDROLOGY...
TIDES/COASTAL FLOODING...Hazardous weather outlook, Apr 21, 4:08 AM EDT, 12 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAUNTON MA 408 AM EDT SAT APR 21 2012 CTZ002>004-MAZ002>024-026-NHZ011-012-015-RIZ001>008-220815- HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA- EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA- WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPSHIRE MA- WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA- SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN BRISTOL MA- WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA- SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-NANTUCKET MA- NORTHERN MIDDLESEX MA-CHESHIRE NH-EASTERN HILLSBOROUGH NH- WESTERN AND CENTRAL HILLSBOROUGH NH-NORTHWEST PROVIDENCE RI- SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI- WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI- 408 AM EDT SAT APR 21 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT...CENTRAL MASSACHUSETTS...EASTERN MASSACHUSETTS...NORTHEASTERN MASSACHUSETTS...SOUTHEASTERN MASSACHUSETTS...WESTERN MASSACHUSETTS...SOUTHERN NEW HAMPSHIRE...NORTHERN RHODE ISLAND AND SOUTHERN RHODE ISLAND. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. STRONG EAST TO SOUTHEAST WINDS OF 40 TO 50 MPH ARE POSSIBLE LATE SUNDAY NIGHT AND MONDAY NEAR THE COAST...ESPECIALLY FROM SOUTHERN RHODE ISLAND TO CAPE COD AND THE ISLANDS. THERE IS A LOW PROBABILITY OF GUSTS REACHING 60 MPH AROUND SUNRISE MONDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ231>235-237-254>256-220815- CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND-BUZZARDS BAY- RHODE ISLAND SOUND-BLOCK ISLAND SOUND- COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA OUT 20 NM- COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD AND NANTUCKET- COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT TO 20 NM SOUTH OF BLOCK ISLAND- 408 AM EDT SAT APR 21 2012 ...GALE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS COASTAL WATERS AND RHODE ISLAND COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WATCH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ230-236-220815- BOSTON HARBOR-NARRAGANSETT BAY- 408 AM EDT SAT APR 21 2012 ...GALE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS COASTAL WATERS AND RHODE ISLAND COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WATCH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ250-251-220815- COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL MARINE SANCTUARY-MASSACHUSETTS BAY AND IPSWICH BAY- 408 AM EDT SAT APR 21 2012 ...GALE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WATCH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 10:22 PM EDT | Small Craft Advisory for Hazardous Seas | BOX | 6 hr | |
| Apr 21, 4:26 AM EDT | Gale Watch | BOX | 24 hr | |
| Apr 21, 4:26 AM EDT | Small Craft Advisory | BOX | 24 hr |
Nearby
Flood Watches in Massachusetts, 2012Flood Watches in Rhode Island, 2012Flood Watches in Connecticut, 2012Every flood watch in 2012
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.