Alert archive / Maine / Frost Advisories in 2018
Frost Advisory 2, NWS Gray, ME
NWS Gray, ME issued this frost advisory at May 18, 2018, 3:34 AM EDT for 8 counties in Maine; Carroll County, Grafton County, New Hampshire. It took effect at May 18, 2018, 10:00 PM EDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- May 18, 2018, 3:34 AM EDT (07:34 UTC)
- In effect from
- May 18, 2018, 10:00 PM EDT
- Expired
- May 19, 2018, 7:00 AM EDT
- In force
- 9 hr
- Issued by
- NWS Gray, ME
Counties Androscoggin County, ME, Cumberland County, ME, Kennebec County, ME, Knox County, ME, Lincoln County, ME, Sagadahoc County, ME, Waldo County, ME, York County, ME, Carroll County, NH, Grafton County, NH
The nearest sounding before it
Gray, ME (KGYX), launched 00:00Z, 7.6 hours before the alert went out and 15 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
- 11 J/kg
- Mixed-layer CIN
- -104 J/kg
- Mixed-layer LCL
- 1458 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Gray, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 3:34 AM EDT | Freeze Warning | GYX | Franklin, Oxford, Somerset | 27 hr |
Nearby
Frost Advisories in Maine, 2018Frost Advisories in New Hampshire, 2018Every frost 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.