Alert archive / New Hampshire / Special Weather Statements in 2017

Special Weather Statement, NWS Gray, ME

February 1, 2017Carroll County, New Hampshire

NWS Gray, ME issued this special weather statement at Feb 1, 2017, 5:07 PM EST for Carroll County, New Hampshire. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Feb 1, 2017, 5:07 PM EST (22:07 UTC)
Expired: Feb 1, 2017, 6:00 PM EST
In force: 53 min
Issued by: NWS Gray, ME

County Carroll County, NH

The radar

The Portland,ME radar (KGYX), 58 km from the middle of the area, began a volume at 22:11 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, 10.1 hours before the alert went out and 284 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 706 m above ground
0-6 km bulk shear: 86 kt
0-1 km storm-relative helicity: 185 m²/s²
0-3 km storm-relative helicity: 185 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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The office that day

Everything else NWS Gray, ME issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 1, 2:58 AM EST	Small Craft Advisory	GYX		51 hr
Feb 1, 5:03 PM EST	Special Weather Statement	GYX	Cumberland	42 min
Feb 1, 5:33 PM EST	Special Weather Statement	GYX	Cumberland	27 min
Feb 1, 5:58 PM EST	Special Weather Statement	GYX	Androscoggin	47 min
Feb 1, 6:43 PM EST	Special Weather Statement	GYX	Carroll	47 min

Nearby

Special Weather Statements in New Hampshire, 2017 Every special weather statement 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.