Alert archive / Massachusetts / Areal Flood Warnings in 2011
Areal Flood Warning 1, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this areal flood warning at Mar 7, 2011, 6:50 AM EST for Hampshire County, Massachusetts. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 7, 2011, 6:50 AM EST (11:50 UTC)
- Expired
- Mar 7, 2011, 9:45 AM EST
- In force
- 3 hr
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Flood severity
- None
County Hampshire County, MA
The radar
The Albany radar (KENX), 118 km from the middle of the area, began a volume at 11:52 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
Brookhaven, NY (KOKX), launched 00:00Z, 11.8 hours before the alert went out and 165 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
- 49 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 489 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 272 m²/s²
- 0-3 km storm-relative helicity
- 371 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood warning 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 areal flood warning went out at Mar 7, 4:41 AM EST, 2 hours 9 minutes earlier.
Area forecast discussion, Mar 7, 4:41 AM EST, 2 hours 9 minutes before
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</html>Hazardous weather outlook, Mar 7, 4:11 AM EST, 2 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAUNTON MA 411 AM EST MON MAR 7 2011 MAZ002-003-008-NHZ011-080915- WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-WESTERN HAMPSHIRE MA- CHESHIRE NH- 411 AM EST MON MAR 7 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM EST THIS MORNING... ...FLOOD WATCH IN EFFECT UNTIL 7 AM EST THIS MORNING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. WINTER WEATHER ADVISORY. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. MODERATE PROBABILITY OF ANOTHER PERIOD OF SIGNIFICANT RAINFALL THURSDAY INTO FRIDAY. LOW PROBABILITY WIND ADVISORY DUE TO GUSTY SOUTH WINDS AHEAD OF A COLD FRONT SOMETIME THURSDAY INTO FRIDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MAZ004-010-026-NHZ012-015-080915- NORTHERN WORCESTER MA-EASTERN HAMPSHIRE MA-NORTHERN MIDDLESEX MA- EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH- 411 AM EST MON MAR 7 2011 ...FLOOD WATCH IN EFFECT UNTIL 7 AM EST THIS MORNING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL MASSACHUSETTS...EASTERN MASSACHUSETTS...WESTERN MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. MODERATE PROBABILITY OF ANOTHER PERIOD OF SIGNIFICANT RAINFALL THURSDAY INTO FRIDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MAZ022>024-RIZ008-080915- BARNSTABLE MA-DUKES MA-NANTUCKET MA-BLOCK ISLAND RI- 411 AM EST MON MAR 7 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEASTERN MASSACHUSETTS AND SOUTHERN RHODE ISLAND. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. MODERATE PROBABILITY OF ANOTHER PERIOD OF SIGNIFICANT RAINFALL THURSDAY INTO FRIDAY. LOW PROBABILITY WIND ADVISORY DUE TO GUSTY SOUTH WINDS AHEAD OF A COLD FRONT SOMETIME THURSDAY INTO FRIDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. CTZ002>004-MAZ005>007-011>021-RIZ001>007-080915- HARTFORD CT-TOLLAND CT-WINDHAM CT-CENTRAL MIDDLESEX MA- WESTERN ESSEX MA-EASTERN ESSEX 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-NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI- WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI-WASHINGTON RI-NEWPORT RI- 411 AM EST MON MAR 7 2011 ...FLOOD WATCH IN EFFECT UNTIL 7 AM EST THIS MORNING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT...CENTRAL MASSACHUSETTS...EASTERN MASSACHUSETTS...NORTHEASTERN MASSACHUSETTS...SOUTHEASTERN MASSACHUSETTS...WESTERN MASSACHUSETTS...NORTHERN RHODE ISLAND AND SOUTHERN RHODE ISLAND. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. MODERATE PROBABILITY OF ANOTHER PERIOD OF SIGNIFICANT RAINFALL THURSDAY INTO FRIDAY. LOW PROBABILITY WIND ADVISORY DUE TO GUSTY SOUTH WINDS AHEAD OF A COLD FRONT SOMETIME THURSDAY INTO FRIDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MAZ009-080915- WESTERN HAMPDEN MA- 411 AM EST MON MAR 7 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM EST THIS MORNING... ...FLOOD WATCH IN EFFECT UNTIL 7 AM EST THIS MORNING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MASSACHUSETTS. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. WINTER WEATHER ADVISORY. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. ANZ231-232-250-254>256-080915- CAPE COD BAY-NANTUCKET SOUND- COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL MARINE SANCTUARY- 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- 411 AM EST MON MAR 7 2011 ...GALE WARNING IN EFFECT UNTIL 8 AM EST THIS MORNING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS COASTAL WATERS AND RHODE ISLAND COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WARNING. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. LOW PROBABILITY GALE FORCE WIND GUSTS SOMETIME THURSDAY INTO FRIDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. ANZ230-233>237-251-080915- BOSTON HARBOR-VINEYARD SOUND-BUZZARDS BAY-RHODE ISLAND SOUND- NARRAGANSETT BAY-BLOCK ISLAND SOUND- MASSACHUSETTS BAY AND IPSWICH BAY- 411 AM EST MON MAR 7 2011 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...TUESDAY THROUGH SUNDAY. LOW PROBABILITY GALE FORCE WIND GUSTS SOMETIME THURSDAY INTO FRIDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 9:22 PM EST | River Flood Warning | BOX | Worcester | 44 hr |
| Mar 7, 1:40 AM EST | Areal Flood Advisory | BOX | Hampden, Hampshire | 6 hr |
| Mar 7, 2:44 AM EST | River Flood Warning | BOX | Worcester | 25 hr |
| Mar 7, 4:05 AM EST | Areal Flood Advisory | BOX | Worcester | 3 hr |
| Mar 7, 7:16 AM EST | Areal Flood Advisory | BOX | Worcester | 3 hr |
| Mar 7, 7:19 AM EST | River Flood Warning | BOX | Hampden, Hampshire | 13 hr |
| Mar 7, 8:37 AM EST | Areal Flood Warning | BOX | Franklin, Hampden, Hampshire, Middlesex, Worcester | 18 hr |
| Mar 7, 8:50 AM EST | River Flood Warning | BOX | Middlesex, Worcester | 3 days |
| Mar 7, 8:50 AM EST | River Flood Warning | BOX | Middlesex | 20 hr |
| Mar 7, 8:50 AM EST | River Flood Warning | BOX | Middlesex | 43 hr |
| Mar 7, 9:41 AM EST | Areal Flood Warning | BOX | Hampden, Hampshire | 24 hr |
| Mar 7, 9:49 AM EST | Areal Flood Warning | BOX | Hampshire | 8 hr |
| Mar 7, 12:10 PM EST | River Flood Warning | BOX | Hampden | 21 hr |
| Mar 7, 12:10 PM EST | River Flood Warning | BOX | Middlesex, Norfolk | 7 days |
| Mar 7, 1:26 AM EST | Areal Flood Advisory | BOX | Capitol Planning Region | 6 hr |
| Mar 7, 1:50 AM EST | Areal Flood Advisory | BOX | Northeastern Connecticut Planning Region | 9 hr |
| Mar 7, 7:05 AM EST | Areal Flood Advisory | BOX | Capitol Planning Region | 3 hr |
| Mar 7, 8:50 AM EST | River Flood Warning | BOX | Capitol Planning Region | 37 hr |
| Mar 7, 12:10 PM EST | River Flood Warning | BOX | Capitol Planning Region, Lower Connecticut River Valley Planning Region | 8 days |
| Mar 7, 12:10 PM EST | River Flood Warning | BOX | Capitol Planning Region, Lower Connecticut River Valley Planning Region | 9 days |
Nearby
Areal Flood Warnings in Massachusetts, 2011Every areal flood warning 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.