Alert archive / Maine / Frost Advisories in 2005

Frost Advisory 2, NWS Gray, ME

September 29, 2005Franklin County, Oxford County, Somerset County, Maine; Carroll County, Coos County, Grafton County, New Hampshire

NWS Gray, ME issued this frost advisory at Sep 29, 2005, 3:13 PM EDT for Franklin County, Oxford County, Somerset County, Maine; Carroll County, Coos County, Grafton County, New Hampshire. It took effect at Sep 30, 2005, 12:00 AM EDT. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Sep 29, 2005, 3:13 PM EDT (19:13 UTC)
In effect from
Sep 30, 2005, 12:00 AM EDT
Expired
Sep 30, 2005, 3:25 AM EDT
In force
3 hr
Issued by
NWS Gray, ME

Counties Franklin County, ME, Oxford County, ME, Somerset County, ME, Carroll County, NH, Coos County, NH, Grafton County, NH

The radar

The Portland,ME radar (KGYX), 93 km from the middle of the area, began a volume at 19:16 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, 7.2 hours before the alert went out and 315 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.

Skew-T log-pSkew-T log-p diagram, Albany, NY at 12:00Z on 2005-09-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2005-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 411 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
737 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
411 m²/s²
0-3 km storm-relative helicity
431 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this frost 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 frost advisory went out at Sep 29, 2:30 PM EDT, 43 minutes earlier.

Area forecast discussion, Sep 29, 2:30 PM EDT, 43 minutes before
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Hazardous weather outlook, Sep 29, 7:07 AM EDT, 8 hours 6 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED TO INCLUDE THUNDERSTORMS
NATIONAL WEATHER SERVICE GRAY ME
707 AM EDT THU SEP 29 2005

ANZ150-MEZ007>009-012>014-018>028-NHZ001>010-013-014-300715-
STONINGTON ME TO MERRIMACK RIVER MA OUT TO 25 NM-NORTHERN OXFORD-
NORTHERN FRANKLIN-CENTRAL SOMERSET-SOUTHERN OXFORD-
SOUTHERN FRANKLIN-SOUTHERN SOMERSET-INTERIOR YORK-
INTERIOR CUMBERLAND-ANDROSCOGGIN-KENNEBEC-INTERIOR WALDO-
COASTAL YORK-COASTAL CUMBERLAND-SAGADAHOC-LINCOLN-KNOX-
COASTAL WALDO-NORTHERN COOS-SOUTHERN COOS-NORTHERN GRAFTON-
NORTHERN CARROLL-SOUTHERN GRAFTON-SOUTHERN CARROLL-SULLIVAN-
MERRIMACK-BELKNAP-STRAFFORD-INTERIOR ROCKINGHAM-
COASTAL ROCKINGHAM-
707 AM EDT THU SEP 29 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN NEW
HAMPSHIRE...WESTERN MAINE...CENTRAL NEW HAMPSHIRE...THE COASTAL
WATERS FROM STONINGTON ME TO THE MERRIMACK RIVER MA AND
SOUTHEASTERN NEW HAMPSHIRE.

.DAY ONE...TODAY AND TONIGHT

A HIGH WIND WARNING IS NOW IN EFFECT TODAY FOR NORTHERN NEW
HAMPSHIRE AND THROUGH LATE THIS EVENING FOR THE WESTERN MOUNTAINS
AND FOOTHILLS OF MAINE. A WIND ADVISORY IS NOW IN EFFECT TODAY FOR
SOUTHERN NEW HAMPSHIRE AND THROUGH LATE THIS EVENING FOR
SOUTHWESTERN MAINE. LASTLY...ISOLATED THUNDERSTORMS MAY CONTAIN
DAMAGING WINDS.  EXPECT TREE LIMBS TO BE DOWNED WITH SOME POWER
OUTAGES.  SEE PWMNPWGYX PRODUCT FOR DETAILS.

A GALE WARNING REMAINS IN EFFECT FOR THE COASTAL WATERS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

.SPOTTER INFORMATION STATEMENT...

SPOTTERS WILL LIKELY BE NEEDED FOR HIGH WIND REPORTS OR ANY DAMAGE
TODAY THROUGH LATE THIS EVENING.

In the hours before

Local storm report, Sep 29, 1:33 PM EDT, 1 hour 40 minutes before
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Nearby

Frost Advisories in Maine, 2005Frost Advisories in New Hampshire, 2005Every frost advisory in 2005

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.