Alert archive / Maine / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 32, NWS Caribou, ME

June 24, 2013Piscataquis County, Maine

NWS Caribou, ME issued this severe thunderstorm warning at Jun 24, 2013, 8:39 PM EDT for Piscataquis County, Maine. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 24, 2013, 8:39 PM EDT (00:39 UTC)
Expired: Jun 24, 2013, 9:30 PM EDT
In force: 51 min
Issued by: NWS Caribou, ME
Area: Storm-based polygon

County Piscataquis County, ME

The radar

The Caribou radar (KCBW), 116 km from the middle of the area, began a volume at 00:39 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, 0.7 hours before the alert went out and 230 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: 1104 J/kg
Mixed-layer CIN: -74 J/kg
Mixed-layer LCL: 1661 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 93 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 24, 7:40 PM EDT, 59 minutes earlier.

Area forecast discussion, Jun 24, 7:40 PM EDT, 59 minutes before

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Hazardous weather outlook, Jun 24, 4:01 AM EDT, 16 hours 38 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
Jun 25, 2:26 PM EDT	Severe Thunderstorm Warning	CAR	Penobscot, Piscataquis	49 min
Jun 25, 2:31 PM EDT	Severe Thunderstorm Warning	CAR	Washington	44 min
Jun 25, 3:32 PM EDT	Severe Thunderstorm Warning	CAR	Piscataquis, Somerset	58 min
Jun 25, 3:50 PM EDT	Severe Thunderstorm Warning	CAR	Hancock, Penobscot, Washington	40 min
Jun 25, 4:20 PM EDT	Flash Flood Warning	CAR	Hancock, Penobscot	3 hr
Jun 25, 4:22 PM EDT	Severe Thunderstorm Warning	CAR	Hancock, Penobscot, Washington	38 min
Jun 25, 4:35 PM EDT	Severe Thunderstorm Warning	CAR	Washington	40 min
Jun 25, 5:00 PM EDT	Flash Flood Warning	CAR	Hancock, Penobscot, Washington	3 hr
Jun 25, 5:12 PM EDT	Severe Thunderstorm Warning	CAR	Washington	63 min

Nearby

Severe Thunderstorm Warnings in Maine, 2013 Every severe thunderstorm warning in 2013

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.