Alert archive / Maine / Wind Chill Advisories in 2017
Wind Chill Advisory 5, NWS Gray, ME
NWS Gray, ME issued this wind chill advisory at Dec 26, 2017, 2:32 AM EST for Franklin County, Oxford County, Somerset County, Maine; Coos County, New Hampshire. It took effect at Dec 26, 2017, 9:00 PM EST. It was in force for 22 hr.
The area
The counties it named.
The facts
- Issued
- Dec 26, 2017, 2:32 AM EST (07:32 UTC)
- In effect from
- Dec 26, 2017, 9:00 PM EST
- Expired
- Dec 27, 2017, 7:00 PM EST
- In force
- 22 hr
- Issued by
- NWS Gray, ME
Counties Franklin County, ME, Oxford County, ME, Somerset County, ME, Coos County, NH
The radar
The Portland,ME radar (KGYX), 118 km from the middle of the area, began a volume at 07:36 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, 7.5 hours before the alert went out and 358 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
- 1939 m above ground
- 0-6 km bulk shear
- 129 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Gray, ME wrote its last area forecast discussion before this wind chill advisory went out at Dec 25, 9:20 PM EST, 5 hours 12 minutes earlier.
Area forecast discussion, Dec 25, 9:20 PM EST, 5 hours 12 minutes before
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</html>Hazardous weather outlook, Dec 26, 2:24 AM EST, 8 minutes before
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Local storm report, Dec 25, 9:18 PM EST, 5 hours 14 minutes before
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</html>Local storm report, Dec 25, 11:48 PM EST, 2 hours 44 minutes before
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</html>The office that day
Everything else NWS Gray, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 25, 9:13 PM EST | Small Craft Advisory | GYX | 3 days | |
| Dec 26, 2:58 PM EST | Heavy Freezing Spray Advisory | GYX | 64 hr |
Nearby
Wind Chill Advisories in Maine, 2017Wind Chill Advisories in New Hampshire, 2017Every wind chill 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.