Alert archive / New Hampshire / Frost Advisories in 2011
Frost Advisory 2, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this frost advisory at Sep 16, 2011, 3:30 PM EDT for Cheshire County, Hillsborough County, New Hampshire; Franklin County, Worcester County, Massachusetts. It took effect at Sep 17, 2011, 2:00 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Sep 16, 2011, 3:30 PM EDT (19:30 UTC)
- In effect from
- Sep 17, 2011, 2:00 AM EDT
- Expired
- Sep 17, 2011, 8:00 AM EDT
- In force
- 6 hr
- Issued by
- NWS Boston/Norton, MA
Counties Franklin County, MA, Worcester County, MA, Cheshire County, NH, Hillsborough County, NH
The radar
The Boston radar (KBOX), 115 km from the middle of the area, began a volume at 19:30 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
Albany, NY (KALY), launched 12:00Z, 7.5 hours before the alert went out and 140 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
- 1005 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
181 WWUS71 KBOX 161930 NPWBOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 330 PM EDT FRI SEP 16 2011 ...FROST MAY DEVELOP IN SOUTHWEST NEW HAMPSHIRE AND NORTHWEST MASSACHUSETTS LATE TONIGHT... MAZ002>004-NHZ011-015-170330- /O.NEW.KBOX.FR.Y.0002.110917T0600Z-110917T1200Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA- CHESHIRE NH-WESTERN AND CENTRAL HILLSBOROUGH NH- INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE... BARRE...FITCHBURG...JAFFREY...KEENE...PETERBOROUGH...WEARE 330 PM EDT FRI SEP 16 2011 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT SATURDAY... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EDT SATURDAY. * LOCATIONS...CHESHIRE AND WESTERN HILLSBOROUGH COUNTIES IN SOUTHWEST NEW HAMPSHIRE. FRANKLIN AND NORTHWEST WORCESTER COUNTIES IN NORTHERN MASSACHUSETTS. * HAZARDS...FROST. * TEMPERATURES...IN THE MID 30S. * TIMING...BETWEEN 2 AM AND 8 AM TONIGHT AND EARLY SATURDAY. * IMPACTS...PLANTS SENSITIVE TO FROST SHOULD BE PROTECTED AND ALL HOUSE PLANTS SHOULD BE BROUGHT INDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS ARE ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$
3 follow-up statements
333 WWUS71 KBOX 170221 NPWBOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 1021 PM EDT FRI SEP 16 2011 ...FROST MAY DEVELOP IN SOUTHWEST NEW HAMPSHIRE AND NORTHWEST MASSACHUSETTS LATE TONIGHT... MAZ002>004-NHZ011-015-171030- /O.CON.KBOX.FR.Y.0002.110917T0600Z-110917T1200Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA- CHESHIRE NH-WESTERN AND CENTRAL HILLSBOROUGH NH- INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE... BARRE...FITCHBURG...JAFFREY...KEENE...PETERBOROUGH...WEARE 1021 PM EDT FRI SEP 16 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT SATURDAY... * LOCATIONS...CHESHIRE AND WESTERN HILLSBOROUGH COUNTIES IN SOUTHWEST NEW HAMPSHIRE. FRANKLIN AND NORTHWEST WORCESTER COUNTIES IN NORTHERN MASSACHUSETTS. * HAZARDS...FROST. * TEMPERATURES...IN THE MID 30S. * TIMING...BETWEEN 2 AM AND 8 AM TONIGHT AND EARLY SATURDAY. * IMPACTS...PLANTS SENSITIVE TO FROST SHOULD BE PROTECTED AND ALL HOUSE PLANTS SHOULD BE BROUGHT INDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS ARE ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$
262 WWUS71 KBOX 170833 NPWBOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 433 AM EDT SAT SEP 17 2011 ...FROST MAY DEVELOP IN SOUTHWEST NEW HAMPSHIRE AND NORTHWEST MASSACHUSETTS LATE TONIGHT... MAZ002>004-NHZ011-015-171200- /O.CON.KBOX.FR.Y.0002.000000T0000Z-110917T1200Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA- CHESHIRE NH-WESTERN AND CENTRAL HILLSBOROUGH NH- INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE... BARRE...FITCHBURG...JAFFREY...KEENE...PETERBOROUGH...WEARE 433 AM EDT SAT SEP 17 2011 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * LOCATIONS...CHESHIRE AND WESTERN HILLSBOROUGH COUNTIES IN SOUTHWEST NEW HAMPSHIRE. FRANKLIN AND NORTHWEST WORCESTER COUNTIES IN NORTHERN MASSACHUSETTS. * HAZARDS...FROST. * TEMPERATURES...IN THE MID 30S. * TIMING...UNTIL 8 AM THIS MORNING. * IMPACTS...PLANTS SENSITIVE TO FROST SHOULD BE PROTECTED AND ALL HOUSE PLANTS SHOULD BE BROUGHT INDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS ARE ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$
096 WWUS71 KBOX 171152 NPWBOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 752 AM EDT SAT SEP 17 2011 MAZ002>004-NHZ011-015-171300- /O.EXP.KBOX.FR.Y.0002.000000T0000Z-110917T1200Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-NORTHERN WORCESTER MA- CHESHIRE NH-WESTERN AND CENTRAL HILLSBOROUGH NH- INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE... BARRE...FITCHBURG...JAFFREY...KEENE...PETERBOROUGH...WEARE 752 AM EDT SAT SEP 17 2011 ...FROST ADVISORY WILL EXPIRE AT 8 AM EDT THIS MORNING... TEMPERATURES ARE INCREASING AND WILL RISE ABOVE 36 DEGREES IN THE NEXT HOUR IF THEY HAVE NOT YET. THE FROST ADVISORY WILL BE ALLOWED TO EXPIRE AT 8 AM. $$ RLG
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 16, 3:24 PM EDT | Small Craft Advisory for Hazardous Seas | BOX | 15 hr |
Nearby
Frost Advisories in New Hampshire, 2011Frost Advisories in Massachusetts, 2011Every frost 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.