Alert archive / Maine / Flash Flood Watches in 2014

Flash Flood Watch 3, NWS Gray, ME

July 4, 201411 counties in Maine; 5 counties in New Hampshire

NWS Gray, ME issued this flash flood watch at Jul 4, 2014, 6:16 AM EDT for 11 counties in Maine; 5 counties in New Hampshire. It took effect at Jul 4, 2014, 8:21 AM EDT. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued: Jul 4, 2014, 6:16 AM EDT (10:16 UTC)
In effect from: Jul 4, 2014, 8:21 AM EDT
Expired: Jul 5, 2014, 5:44 AM EDT
In force: 21 hr
Issued by: NWS Gray, ME
Flood severity: None

Counties Androscoggin County, ME, Cumberland County, ME, Franklin County, ME, Kennebec County, ME, Knox County, ME, Lincoln County, ME, Oxford County, ME, Sagadahoc County, ME, Somerset County, ME, Waldo County, ME, York County, ME, Belknap County, NH, Carroll County, NH, Merrimack County, NH, Rockingham County, NH, Strafford County, NH

The radar

The Portland,ME radar (KGYX), 17 km from the middle of the area, began a volume at 10:17 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 00:00Z, 10.3 hours before the alert went out and 17 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: 264 J/kg
Mixed-layer CIN: -157 J/kg
Mixed-layer LCL: 1017 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch 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 flash flood watch went out at Jul 4, 3:52 AM EDT, 2 hours 24 minutes earlier.

Area forecast discussion, Jul 4, 3:52 AM EDT, 2 hours 24 minutes before

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Hazardous weather outlook, Jul 4, 4:20 AM EDT, 1 hour 56 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 8:56 PM EDT	Small Craft Advisory	GYX		45 hr
Jul 3, 9:01 PM EDT	Severe Thunderstorm Warning	GYX	Franklin, Oxford, Somerset	59 min
Jul 3, 9:21 PM EDT	Severe Thunderstorm Warning	GYX	Cumberland, Oxford, York	54 min
Jul 3, 9:43 PM EDT	Areal Flood Advisory	GYX	Franklin, Oxford	3 hr
Jul 3, 10:04 PM EDT	Special Weather Statement	GYX	Androscoggin, Cumberland, Kennebec, Sagadahoc, York	56 min
Jul 3, 10:09 PM EDT	Severe Thunderstorm Warning	GYX	Androscoggin, Cumberland, Oxford, Sagadahoc	36 min
Jul 3, 10:32 PM EDT	Special Weather Statement	GYX	Somerset	43 min
Jul 3, 10:53 PM EDT	Special Weather Statement	GYX	Franklin	52 min
Jul 3, 11:09 PM EDT	Areal Flood Advisory	GYX	Franklin, Oxford, Somerset	3 hr
Jul 4, 4:15 AM EDT	Gale Watch	GYX		11 hr
Jul 4, 4:15 AM EDT	Gale Warning	GYX		38 hr
Jul 3, 8:14 PM EDT	Severe Thunderstorm Warning	GYX	Coos	46 min
Jul 3, 8:24 PM EDT	Severe Thunderstorm Warning	GYX	Coos, Grafton	51 min
Jul 3, 8:27 PM EDT	Flash Flood Warning	GYX	Grafton	4 hr
Jul 3, 8:33 PM EDT	Flash Flood Warning	GYX	Coos	3 hr
Jul 3, 8:37 PM EDT	Severe Thunderstorm Warning	GYX	Belknap, Carroll, Coos, Grafton, Merrimack, Rockingham and 1 more	53 min
Jul 3, 9:25 PM EDT	Areal Flood Advisory	GYX	Belknap, Merrimack, Rockingham, Strafford	3 hr
Jul 3, 9:39 PM EDT	Areal Flood Advisory	GYX	Carroll, Coos, Grafton	3 hr

Nearby

Flash Flood Watches in Maine, 2014 Flash Flood Watches in New Hampshire, 2014 Every flash flood watch in 2014

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.