Alert archive / New Hampshire / Frost Advisories in 2014
Frost Advisory 2, NWS Gray, ME
NWS Gray, ME issued this frost advisory at Sep 14, 2014, 3:40 AM EDT for Franklin County, Oxford County, Somerset County, Maine; 6 counties in New Hampshire. It took effect at Sep 15, 2014, 1:00 AM EDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Sep 14, 2014, 3:40 AM EDT (07:40 UTC)
- In effect from
- Sep 15, 2014, 1:00 AM EDT
- Expired
- Sep 15, 2014, 7:51 AM EDT
- In force
- 7 hr
- Issued by
- NWS Gray, ME
Counties Franklin County, ME, Oxford County, ME, Somerset County, ME, Belknap County, NH, Carroll County, NH, Coos County, NH, Grafton County, NH, Merrimack County, NH, Sullivan County, NH
The radar
The Portland,ME radar (KGYX), 82 km from the middle of the area, began a volume at 07:39 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, 7.7 hours before the alert went out and 270 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
- 9 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 798 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 234 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
Nearby
Frost Advisories in New Hampshire, 2014Frost Advisories in Maine, 2014Every frost advisory in 2014
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.