Alert archive / Massachusetts / Wind Advisories in 2011
Wind Advisory 20, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this wind advisory at May 11, 2011, 4:08 AM EDT for Nantucket County, Massachusetts. It took effect at May 11, 2011, 12:00 PM EDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- May 11, 2011, 4:08 AM EDT (08:08 UTC)
- In effect from
- May 11, 2011, 12:00 PM EDT
- Expired
- May 11, 2011, 7:00 PM EDT
- In force
- 7 hr
- Issued by
- NWS Boston/Norton, MA
County Nantucket County, MA
The radar
The Boston radar (KBOX), 120 km from the middle of the area, began a volume at 08:11 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, 8.1 hours before the alert went out and 45 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 457 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
048 WWUS71 KBOX 110808 NPWBOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 408 AM EDT WED MAY 11 2011 MAZ024-111615- /O.NEW.KBOX.WI.Y.0020.110511T1600Z-110511T2300Z/ NANTUCKET MA- INCLUDING THE CITY OF...NANTUCKET 408 AM EDT WED MAY 11 2011 ...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING. * LOCATIONS...NANTUCKET. * HAZARDS...STRONG NORTH TO NORTHEAST WINDS. * WINDS...NORTH 25 TO 30 MPH WITH GUSTS UP TO 45 MPH. * TIMING...WINDS WILL INCREASE BY MIDDAY AND THEN DIMINISH THIS EVENING. * IMPACTS...STRONG WINDS WILL BE CAPABLE OF DOWNING SMALL TREE LIMBS AND BRANCHES...POSSIBLY CAUSING ISOLATED POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE 31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH. WINDS THIS STRONG ARE CAPABLE OF DOWNING SMALL TREE LIMBS AND BRANCHES...POSSIBLY CAUSING ISOLATED POWER OUTAGES. DRIVING CAN ALSO BE DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. && $$ WTB
2 follow-up statements
973 WWUS71 KBOX 111450 AAA NPWBOX URGENT - WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE TAUNTON MA 1050 AM EDT WED MAY 11 2011 MAZ024-112300- /O.CON.KBOX.WI.Y.0020.110511T1600Z-110511T2300Z/ NANTUCKET MA- INCLUDING THE CITY OF...NANTUCKET 1050 AM EDT WED MAY 11 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING. * LOCATIONS...NANTUCKET. * HAZARDS...STRONG NORTH TO NORTHEAST WINDS. * WINDS...NORTH 25 TO 30 MPH WITH GUSTS UP TO 45 MPH. * TIMING...WINDS WILL INCREASE BY MIDDAY AND THEN DIMINISH THIS EVENING. * IMPACTS...STRONG WINDS WILL BE CAPABLE OF DOWNING SMALL TREE LIMBS AND BRANCHES...POSSIBLY CAUSING ISOLATED POWER OUTAGES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE 31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH. WINDS THIS STRONG ARE CAPABLE OF DOWNING SMALL TREE LIMBS AND BRANCHES...POSSIBLY CAUSING ISOLATED POWER OUTAGES. DRIVING CAN ALSO BE DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. && $$
695 WWUS71 KBOX 112259 NPWBOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 659 PM EDT WED MAY 11 2011 MAZ024-120000- /O.EXP.KBOX.WI.Y.0020.000000T0000Z-110511T2300Z/ NANTUCKET MA- INCLUDING THE CITY OF...NANTUCKET 659 PM EDT WED MAY 11 2011 ...WIND ADVISORY WILL EXPIRE AT 7 PM EDT THIS EVENING... THE WIND ADVISORY WILL EXPIRE AT 7 PM EDT THIS EVENING. WINDS HAVE DIMINISHED ON NANTUCKET...SO WILL ALLOW THE WIND ADVISORY TO EXPIRE. $$ RLG
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 3:00 AM EDT | Gale Warning | BOX | 26 hr |
Nearby
Wind Advisories in Massachusetts, 2011Every wind advisory 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.