Alert archive / Maine / Coastal Flood Statements in 2017

Coastal Flood Statement 19, NWS Gray, ME

September 18, 2017York County, Maine; Rockingham County, New Hampshire

NWS Gray, ME issued this coastal flood statement at Sep 18, 2017, 3:05 PM EDT for York County, Maine; Rockingham County, New Hampshire. It took effect at Sep 18, 2017, 11:00 PM EDT. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
Sep 18, 2017, 3:05 PM EDT (19:05 UTC)
In effect from
Sep 18, 2017, 11:00 PM EDT
Expired
Sep 18, 2017, 11:46 PM EDT
In force
46 min
Issued by
NWS Gray, ME

Counties York County, ME, Rockingham County, NH

The radar

The Portland,ME radar (KGYX), 91 km from the middle of the area, began a volume at 19:11 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

Gray, ME (KGYX), launched 12:00Z, 7.1 hours before the alert went out and 91 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, Gray, ME at 12:00Z on 2017-09-18Temperature 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, Gray, ME at 12:00Z on 2017-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.1939Sfc1 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
571 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 18, 2:46 PM EDTSmall Craft AdvisoryGYX4 days
Sep 18, 3:05 PM EDTHigh Surf AdvisoryGYXCumberland, Knox, Lincoln, Sagadahoc, Waldo, York5 days
Sep 18, 5:31 PM EDTDense Fog AdvisoryGYXAndroscoggin, Cumberland, Franklin, Kennebec, Knox, Lincoln and 5 more10 hr

Nearby

Coastal Flood Statements in Maine, 2017Coastal Flood Statements in New Hampshire, 2017Every coastal flood 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.