Alert archive / Massachusetts / Wind Advisories in 2018
Wind Advisory 6, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this wind advisory at Jan 30, 2018, 10:15 AM EST for Nantucket County, Massachusetts. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jan 30, 2018, 10:15 AM EST (15:15 UTC)
- Expired
- Jan 30, 2018, 1:00 PM EST
- In force
- 3 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 15:17 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, 3.3 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 449 m above ground
- 0-6 km bulk shear
- 97 kt
- 0-1 km storm-relative helicity
- 132 m²/s²
- 0-3 km storm-relative helicity
- 865 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
525 WWUS71 KBOX 301515 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Taunton MA 1015 AM EST Tue Jan 30 2018 MAZ024-301800- /O.EXP.KBOX.WI.Y.0005.000000T0000Z-180130T1500Z/ /O.NEW.KBOX.WI.Y.0006.180130T1515Z-180130T1800Z/ Nantucket MA- Including the city of Nantucket 1015 AM EST Tue Jan 30 2018 ...WIND ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... * Location...Nantucket. * Winds...North around 30 mph with gusts up to 45 mph. * Timing...Strong winds continue through around Noon then will slowly diminish through early afternoon. * Impacts...A few weakened trees may be knocked down as well as the risk for isolated power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that sustained winds of 31 to 39 mph are expected, with gusts between 46 to 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. Use extra caution. && $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/NWSBoston You can follow us on Twitter at @NWSBoston
1 follow-up statement
252 WWUS71 KBOX 301803 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Taunton MA 103 PM EST Tue Jan 30 2018 MAZ024-301915- /O.EXP.KBOX.WI.Y.0006.000000T0000Z-180130T1800Z/ Nantucket MA- Including the city of Nantucket 103 PM EST Tue Jan 30 2018 ...WIND ADVISORY HAS EXPIRED... North winds will continue up to around 30 mph with gusts to 40 mph through around mid afternoon, then should diminish through the remainder of the day. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/NWSBoston You can follow us on Twitter at @NWSBoston
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 29, 9:23 PM EST | Coastal Flood Warning | BOX | Barnstable, Nantucket, Norfolk, Plymouth | 15 hr |
| Jan 29, 10:03 PM EST | Heavy Freezing Spray Advisory | BOX | 32 hr | |
| Jan 30, 10:17 AM EST | Gale Warning | BOX | 3 hr | |
| Jan 30, 1:24 PM EST | Gale Warning | BOX | 3 hr |
Nearby
Wind Advisories in Massachusetts, 2018Every wind advisory in 2018
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.