Alert archive / Maine / Special Weather Statements in 2018

Special Weather Statement, NWS Caribou, ME

July 27, 2018Somerset County, Maine

NWS Caribou, ME issued this special weather statement at Jul 27, 2018, 4:00 PM EDT for Somerset County, Maine. It was in force for 45 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: Jul 27, 2018, 4:00 PM EDT (20:00 UTC)
Expired: Jul 27, 2018, 4:45 PM EDT
In force: 45 min
Issued by: NWS Caribou, ME

County Somerset County, ME

The radar

The Caribou radar (KCBW), 149 km from the middle of the area, began a volume at 20:01 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

Caribou, ME (KCAR), launched 12:00Z, 8.0 hours before the alert went out and 186 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: 105 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 789 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 111 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Caribou, ME wrote its last area forecast discussion before this special weather statement went out at Jul 27, 2:07 PM EDT, 1 hour 53 minutes earlier.

Area forecast discussion, Jul 27, 2:07 PM EDT, 1 hour 53 minutes before

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Hazardous weather outlook, Jul 27, 10:43 AM EDT, 5 hours 17 minutes before

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In the hours before

Special weather statement, Jul 27, 2:10 PM EDT, 1 hour 50 minutes before

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Special weather statement, Jul 27, 3:13 PM EDT, 47 minutes before

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Special weather statement, Jul 27, 3:31 PM EDT, 29 minutes before

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Special weather statement, Jul 27, 3:52 PM EDT, 8 minutes before

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Special weather statement, Jul 27, 4:00 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 4:25 AM EDT	Dense Fog Advisory	CAR	Hancock, Penobscot, Washington	6 hr
Jul 27, 2:10 PM EDT	Special Weather Statement	CAR	Piscataquis	50 min
Jul 27, 3:13 PM EDT	Special Weather Statement	CAR	Piscataquis	32 min
Jul 27, 3:31 PM EDT	Special Weather Statement	CAR	Piscataquis	29 min
Jul 27, 3:52 PM EDT	Special Weather Statement	CAR	Piscataquis	38 min
Jul 27, 4:32 PM EDT	Special Weather Statement	CAR	Aroostook	43 min
Jul 27, 4:59 PM EDT	Special Weather Statement	CAR	Penobscot	61 min
Jul 27, 5:15 PM EDT	Special Weather Statement	CAR	Aroostook	45 min
Jul 27, 6:05 PM EDT	Special Weather Statement	CAR	Penobscot	40 min

Nearby

Special Weather Statements in Maine, 2018 Every special weather statement in 2018

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.