Alert archive / New Hampshire / Frost Advisories in 2012
Frost Advisory 5, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this frost advisory at May 17, 2012, 3:37 AM EDT for Cheshire County, Hillsborough County, New Hampshire; Franklin County, Hampshire County, Massachusetts. It took effect at May 18, 2012, 2:00 AM EDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- May 17, 2012, 3:37 AM EDT (07:37 UTC)
- In effect from
- May 18, 2012, 2:00 AM EDT
- Expired
- May 18, 2012, 6:40 AM EDT
- In force
- 5 hr
- Issued by
- NWS Boston/Norton, MA
Counties Franklin County, MA, Hampshire County, MA, Cheshire County, NH, Hillsborough County, NH
The radar
The Boston radar (KBOX), 126 km from the middle of the area, began a volume at 07:34 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 00:00Z, 7.6 hours before the alert went out and 125 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
- 23 J/kg
- Mixed-layer CIN
- -171 J/kg
- Mixed-layer LCL
- 1330 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -45 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
842 WWUS71 KBOX 170737 NPWBOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 337 AM EDT THU MAY 17 2012 ...FROST ADVISORY VERY LATE TONIGHT INTO EARLY FRIDAY MORNING FOR SOUTHWEST NEW HAMPSHIRE AND NORTHWEST MASSACHUSETTS... MAZ020>024-RIZ006>008-170845- /O.CAN.KBOX.FG.Y.0006.000000T0000Z-120517T0900Z/ SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA- NANTUCKET MA-WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI- INCLUDING THE CITIES OF...FALL RIVER...NEW BEDFORD... MATTAPOISETT...CHATHAM...FALMOUTH...PROVINCETOWN... VINEYARD HAVEN...NANTUCKET...NARRAGANSETT...WESTERLY...NEWPORT... BLOCK ISLAND 337 AM EDT THU MAY 17 2012 ...DENSE FOG ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE DENSE FOG ADVISORY FOR THE SOUTH COAST...CAPE COD AND THE ISLANDS. VISIBILITIES HAVE IMPROVED ACROSS MOST OF THE SOUTH COAST...CAPE AND ISLANDS EARLY THIS MORNING. AREAS OF FOG WILL STILL BE POSSIBLE FOR ANOTHER HOUR OR TWO...ESPECIALLY ACROSS NANTUCKET. HOWEVER...THE DENSE FOG IS NO LONGER WIDESPREAD SO THE ADVISORY HAS BEEN CANCELLED. $$ MAZ002-003-008-010-NHZ011-015-171545- /O.NEW.KBOX.FR.Y.0005.120518T0600Z-120518T1200Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-WESTERN HAMPSHIRE MA- EASTERN HAMPSHIRE MA-CHESHIRE NH- WESTERN AND CENTRAL HILLSBOROUGH NH- INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE... CHESTERFIELD...AMHERST...NORTHAMPTON...JAFFREY...KEENE... PETERBOROUGH...WEARE 337 AM EDT THU MAY 17 2012 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT FRIDAY... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EDT FRIDAY. * LOCATIONS...SOUTHWEST NEW HAMPSHIRE AND NORTHWEST MASSACHUSETTS. * HAZARDS...AREAS OF FROST. * TEMPERATURES...LOW TEMPERATURES IN THE LOWER TO MIDDLE 30S BY DAYBREAK FRIDAY. * TIMING...2 AM TO 8 AM FRIDAY MORNING. * IMPACTS...THOSE WITH AGRICULTURAL INTERESTS ARE ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS ARE ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$ FRANK
4 follow-up statements
755 WWUS71 KBOX 171949 NPWBOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 349 PM EDT THU MAY 17 2012 ...FROST ADVISORY VERY LATE TONIGHT INTO EARLY FRIDAY MORNING FOR SOUTHWEST NEW HAMPSHIRE AND NORTHWEST MASSACHUSETTS... MAZ002-003-008-010-NHZ011-015-180400- /O.CON.KBOX.FR.Y.0005.120518T0600Z-120518T1200Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-WESTERN HAMPSHIRE MA- EASTERN HAMPSHIRE MA-CHESHIRE NH- WESTERN AND CENTRAL HILLSBOROUGH NH- INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE... CHESTERFIELD...AMHERST...NORTHAMPTON...JAFFREY...KEENE... PETERBOROUGH...WEARE 349 PM EDT THU MAY 17 2012 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT FRIDAY... * LOCATIONS...SOUTHWEST NEW HAMPSHIRE AND NORTHWEST MASSACHUSETTS. * HAZARDS...AREAS OF FROST. * TEMPERATURES...LOW TEMPERATURES IN THE LOW TO MIDDLE 30S BY DAYBREAK FRIDAY. * TIMING...2 AM TO 8 AM FRIDAY MORNING. * IMPACTS...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. 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. && $$
888 WWUS71 KBOX 180207 NPWBOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 1007 PM EDT THU MAY 17 2012 ...FROST ADVISORY VERY LATE TONIGHT INTO EARLY FRIDAY MORNING FOR SOUTHWEST NEW HAMPSHIRE AND NORTHWEST MASSACHUSETTS... MAZ002-003-008-010-NHZ011-015-181015- /O.CON.KBOX.FR.Y.0005.120518T0600Z-120518T1200Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-WESTERN HAMPSHIRE MA- EASTERN HAMPSHIRE MA-CHESHIRE NH- WESTERN AND CENTRAL HILLSBOROUGH NH- INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE... CHESTERFIELD...AMHERST...NORTHAMPTON...JAFFREY...KEENE... PETERBOROUGH...WEARE 1007 PM EDT THU MAY 17 2012 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT FRIDAY... * LOCATIONS...SOUTHWEST NEW HAMPSHIRE AND NORTHWEST MASSACHUSETTS. * HAZARDS...AREAS OF FROST. * TEMPERATURES...IN THE LOWER 40S. * TIMING...2 AM TO 8 AM FRIDAY MORNING. * IMPACTS...THOSE WITH AGRICULTURAL INTERESTS ARE ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS ARE ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY FROM THE COLD. && $$
532 WWUS71 KBOX 180754 NPWBOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 354 AM EDT FRI MAY 18 2012 MAZ002-003-008-010-NHZ011-015-181200- /O.CON.KBOX.FR.Y.0005.000000T0000Z-120518T1200Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-WESTERN HAMPSHIRE MA- EASTERN HAMPSHIRE MA-CHESHIRE NH- WESTERN AND CENTRAL HILLSBOROUGH NH- INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE... CHESTERFIELD...AMHERST...NORTHAMPTON...JAFFREY...KEENE... PETERBOROUGH...WEARE 354 AM EDT FRI MAY 18 2012 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * LOCATIONS...SOUTHWEST NEW HAMPSHIRE AND NORTHWEST MASSACHUSETTS. * HAZARDS...PATCHY FROST. * TEMPERATURES...IN THE LOWER 40S. * TIMING...UNTIL 8AM THIS MORNING. * IMPACTS...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. 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. && $$
057 WWUS71 KBOX 181040 NPWBOX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 640 AM EDT FRI MAY 18 2012 MAZ002-003-008-010-NHZ011-015-181145- /O.CAN.KBOX.FR.Y.0005.000000T0000Z-120518T1200Z/ WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-WESTERN HAMPSHIRE MA- EASTERN HAMPSHIRE MA-CHESHIRE NH- WESTERN AND CENTRAL HILLSBOROUGH NH- INCLUDING THE CITIES OF...CHARLEMONT...GREENFIELD...ORANGE... CHESTERFIELD...AMHERST...NORTHAMPTON...JAFFREY...KEENE... PETERBOROUGH...WEARE 640 AM EDT FRI MAY 18 2012 ...FROST ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS CANCELLED THE FROST ADVISORY. LOW TEMPERATURES BOTTOMED OUT IN THE MIDDLE TO UPPER 30S EARLY THIS MORNING. HOWEVER...TEMPERATURES WERE ALREADY STARTING TO CLIMB SO THE FROST ADVISORY HAS BEEN CANCELLED. $$ FRANK
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 8:09 PM EDT | Special Weather Statement | BOX | Cheshire | 66 min |
| May 16, 8:13 PM EDT | Special Weather Statement | BOX | Hillsborough | 47 min |
| May 16, 8:23 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire, Hillsborough | 31 min |
| May 16, 8:23 PM EDT | Severe Thunderstorm Warning | BOX | Cheshire | 52 min |
| May 16, 8:20 PM EDT | Dense Fog Advisory | BOX | Barnstable, Bristol, Dukes, Nantucket, Norfolk, Plymouth | 7 hr |
| May 16, 8:33 PM EDT | Special Weather Statement | BOX | Franklin | 42 min |
| May 16, 8:53 PM EDT | Special Weather Statement | BOX | Franklin, Hampshire | 67 min |
| May 16, 8:57 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Worcester | 63 min |
| May 16, 9:13 PM EDT | Special Weather Statement | BOX | Hampden, Hampshire | 62 min |
| May 16, 9:39 PM EDT | Special Weather Statement | BOX | Worcester | 66 min |
| May 16, 10:07 PM EDT | Special Weather Statement | BOX | Hampden, Worcester | 53 min |
| May 17, 3:43 AM EDT | Small Craft Advisory for Hazardous Seas | BOX | 18 hr | |
| May 17, 3:46 PM EDT | Small Craft Advisory for Hazardous Seas | BOX | 6 hr |
Nearby
Frost Advisories in New Hampshire, 2012Frost Advisories in Massachusetts, 2012Every frost advisory in 2012
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.