Alert archive / Maine / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 14, NWS Gray, ME

June 24, 1998Penobscot County, Maine

NWS Gray, ME issued this severe thunderstorm warning at Jun 24, 1998, 5:09 PM EDT for Penobscot County, Maine. It was in force for 46 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, 1998, 5:09 PM EDT (21:09 UTC)
Expired: Jun 24, 1998, 5:55 PM EDT
In force: 46 min
Issued by: NWS Gray, ME
Area: Whole counties

County Penobscot County, ME

The radar

The Caribou radar (KCBW), 97 km from the middle of the area, began a volume at 21:11 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, 9.2 hours before the alert went out and 211 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: 576 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 1054 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 64 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, Jun 24, 3:25 PM EDT, 1 hour 44 minutes before

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Special weather statement, Jun 24, 3:25 PM EDT, 1 hour 44 minutes before

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Special weather statement, Jun 24, 4:30 PM EDT, 39 minutes before

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Special weather statement, Jun 24, 4:30 PM EDT, 39 minutes before

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Special weather statement, Jun 24, 4:54 PM EDT, 15 minutes before

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Special weather statement, Jun 24, 4:54 PM EDT, 15 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
Jun 24, 2:50 PM EDT	Severe Thunderstorm Warning	GYX	York	60 min

Nearby

Severe Thunderstorm Warnings in Maine, 1998 Every severe thunderstorm warning in 1998

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.