Alert archive / Massachusetts / Frost Advisories in 2017
Frost Advisory 2, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this frost advisory at May 8, 2017, 11:42 PM EDT for Bristol County, Norfolk County, Plymouth County, Massachusetts. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- May 8, 2017, 11:42 PM EDT (03:42 UTC)
- Expired
- May 9, 2017, 7:00 AM EDT
- In force
- 7 hr
- Issued by
- NWS Boston/Norton, MA
Counties Bristol County, MA, Norfolk County, MA, Plymouth County, MA
The radar
The Boston radar (KBOX), 11 km from the middle of the area, began a volume at 03:45 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, 3.7 hours before the alert went out and 92 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
- 18 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 1135 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
229 WWUS71 KBOX 090342 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Taunton MA 1142 PM EDT Mon May 8 2017 MAZ017>021-091100- /O.NEW.KBOX.FR.Y.0002.170509T0342Z-170509T1100Z/ Northern Bristol MA-Western Plymouth MA-Eastern Plymouth MA- Southern Bristol MA-Southern Plymouth MA- Including the cities of Taunton, Brockton, Plymouth, Fall River, New Bedford, and Mattapoisett 1142 PM EDT Mon May 8 2017 ...FROST ADVISORY IN EFFECT UNTIL 7 AM EDT TUESDAY... The National Weather Service in Taunton has issued a Frost Advisory, which is in effect until 7 AM EDT Tuesday. * Location...Bristol and Plymouth counties. * Temperatures...in the lower to mid 30s across the normally colder locations of interior southeast Massachusetts. * Timing...through 7 AM Tuesday morning. * Impacts...Localized patchy frost. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Frost Advisory means that widespread frost is expected. Sensitive outdoor plants may be killed if left uncovered. && $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/NWSBoston You can follow us on Twitter at @NWSBoston
1 follow-up statement
990 WWUS71 KBOX 091042 NPWBOX URGENT - WEATHER MESSAGE National Weather Service Taunton MA 642 AM EDT Tue May 9 2017 MAZ017>021-091145- /O.EXP.KBOX.FR.Y.0002.000000T0000Z-170509T1100Z/ Northern Bristol MA-Western Plymouth MA-Eastern Plymouth MA- Southern Bristol MA-Southern Plymouth MA- Including the cities of Taunton, Brockton, Plymouth, Fall River, New Bedford, and Mattapoisett 642 AM EDT Tue May 9 2017 ...FROST ADVISORY WILL EXPIRE AT 7 AM EDT THIS MORNING... Temperatures were already starting to rise, so the frost advisory for southeast MA will be allowed to expire on time at 7 am. $$ Frank 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 |
|---|---|---|---|---|
| May 8, 11:39 PM EDT | Small Craft Advisory | BOX | 4 hr |
Nearby
Frost Advisories in Massachusetts, 2017Every frost advisory in 2017
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.