Alert archive / Massachusetts / Special Weather Statements in 2011
Special Weather Statement, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this special weather statement at Jul 23, 2011, 6:39 AM EDT for Franklin County, Massachusetts. It was in force for 36 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
- Jul 23, 2011, 6:39 AM EDT (10:39 UTC)
- Expired
- Jul 23, 2011, 7:15 AM EDT
- In force
- 36 min
- Issued by
- NWS Boston/Norton, MA
County Franklin County, MA
The radar
The Albany radar (KENX), 122 km from the middle of the area, began a volume at 10:38 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 00:00Z, 10.7 hours before the alert went out and 234 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
- 2404 J/kg
- Mixed-layer CIN
- -154 J/kg
- Mixed-layer LCL
- 1595 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Jul 23, 6:30 AM EDT, 9 minutes earlier.
Area forecast discussion, Jul 23, 6:30 AM EDT, 9 minutes before
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</html>Hazardous weather outlook, Jul 23, 3:59 AM EDT, 2 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAUNTON MA 359 AM EDT SAT JUL 23 2011 MAZ002-003-006>009-NHZ011-012-015-240800- WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-WESTERN ESSEX MA- EASTERN ESSEX MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-CHESHIRE NH- EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH- 359 AM EDT SAT JUL 23 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEASTERN MASSACHUSETTS...WESTERN MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. MAZ020>024-RIZ005>008-240800- SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA- NANTUCKET MA-BRISTOL RI-WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI- 359 AM EDT SAT JUL 23 2011 ...AIR QUALITY ALERT IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEASTERN 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. AIR QUALITY ALERT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. CTZ002>004-MAZ004-005-010>019-026-RIZ001>004-240800- HARTFORD CT-TOLLAND CT-WINDHAM CT-NORTHERN WORCESTER MA- CENTRAL MIDDLESEX 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-NORTHERN MIDDLESEX MA- NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-WESTERN KENT RI- EASTERN KENT RI- 359 AM EDT SAT JUL 23 2011 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 6 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT...CENTRAL MASSACHUSETTS...EASTERN MASSACHUSETTS...SOUTHEASTERN MASSACHUSETTS...WESTERN MASSACHUSETTS AND NORTHERN 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. HEAT ADVISORY. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ230>237-250-251-254>256-240800- BOSTON HARBOR-CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND- BUZZARDS BAY-RHODE ISLAND SOUND-NARRAGANSETT BAY-BLOCK ISLAND SOUND- COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL MARINE SANCTUARY-MASSACHUSETTS BAY AND IPSWICH BAY- 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- 359 AM EDT SAT JUL 23 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...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Special weather statement, Jul 23, 4:58 AM EDT, 1 hour 41 minutes before
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</html>Special weather statement, Jul 23, 6:39 AM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 3:38 AM EDT | Heat Advisory | BOX | Bristol, Hampden, Hampshire, Middlesex, Norfolk, Plymouth and 2 more | 13 hr |
| Jul 23, 4:58 AM EDT | Special Weather Statement | BOX | Franklin | 32 min |
| Jul 23, 6:36 AM EDT | Special Weather Statement | BOX | Middlesex | 24 min |
| Jul 23, 6:52 AM EDT | Special Weather Statement | BOX | Franklin | 23 min |
| Jul 23, 7:29 AM EDT | Special Weather Statement | BOX | Worcester | 31 min |
| Jul 23, 8:15 AM EDT | Special Weather Statement | BOX | Middlesex, Norfolk, Suffolk | 45 min |
| Jul 23, 9:14 AM EDT | Special Weather Statement | BOX | Norfolk | 46 min |
| Jul 23, 9:45 AM EDT | Special Weather Statement | BOX | Suffolk | 45 min |
| Jul 23, 10:00 AM EDT | Special Weather Statement | BOX | Norfolk | 45 min |
| Jul 23, 10:14 AM EDT | Special Marine Warning | BOX | 26 min | |
| Jul 23, 10:21 AM EDT | Severe Thunderstorm Warning | BOX | Norfolk, Plymouth | 39 min |
| Jul 23, 10:45 AM EDT | Special Marine Warning | BOX | 45 min | |
| Jul 23, 10:50 AM EDT | Severe Thunderstorm Warning | BOX | Plymouth | 55 min |
| Jul 23, 11:02 AM EDT | Severe Thunderstorm Warning | BOX | Plymouth | 28 min |
| Jul 23, 11:16 AM EDT | Special Marine Warning | BOX | 59 min | |
| Jul 23, 11:28 AM EDT | Special Marine Warning | BOX | 62 min | |
| Jul 23, 11:38 AM EDT | Special Weather Statement | BOX | Plymouth | 37 min |
| Jul 23, 11:56 AM EDT | Special Weather Statement | BOX | Bristol | 64 min |
| Jul 23, 12:00 PM EDT | Special Marine Warning | BOX | 30 min | |
| Jul 23, 12:15 PM EDT | Special Marine Warning | BOX | 45 min | |
| Jul 23, 12:20 PM EDT | Special Weather Statement | BOX | Plymouth | 40 min |
| Jul 23, 12:32 PM EDT | Special Marine Warning | BOX | 43 min | |
| Jul 23, 12:46 PM EDT | Special Marine Warning | BOX | 32 min | |
| Jul 23, 1:01 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Dukes | 29 min |
| Jul 23, 1:09 PM EDT | Special Marine Warning | BOX | 51 min | |
| Jul 23, 1:32 PM EDT | Severe Thunderstorm Warning | BOX | Nantucket | 43 min |
| Jul 23, 1:44 PM EDT | Special Marine Warning | BOX | 61 min | |
| Jul 23, 2:07 PM EDT | Special Marine Warning | BOX | 38 min | |
| Jul 23, 2:14 PM EDT | Special Weather Statement | BOX | Barnstable | 31 min |
| Jul 23, 2:29 PM EDT | Special Marine Warning | BOX | 31 min | |
| Jul 23, 2:51 PM EDT | Special Marine Warning | BOX | 39 min |
Nearby
Special Weather Statements in Massachusetts, 2011Every special weather statement 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.