Alert archive / Maine / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 24, NWS Gray, ME

June 25, 1997Androscoggin County, Kennebec County, Sagadahoc County, Maine

NWS Gray, ME issued this severe thunderstorm warning at Jun 25, 1997, 7:53 PM EDT for Androscoggin County, Kennebec County, Sagadahoc County, Maine. It was in force for 67 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 25, 1997, 7:53 PM EDT (23:53 UTC)
Expired
Jun 25, 1997, 9:00 PM EDT
In force
67 min
Issued by
NWS Gray, ME
Area
Whole counties

Counties Androscoggin County, ME, Kennebec County, ME, Sagadahoc County, ME

The radar

The Portland,ME radar (KGYX), 39 km from the middle of the area, began a volume at 23:57 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.

What was reported inside it

TimeReportWhereRemark
Jun 25, 8:05 PM EDTThunderstorm Wind 50Litchfield, ME

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Gray, ME (KGYX), launched 12:00Z, 11.9 hours before the alert went out and 40 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 1997-06-25Temperature 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 1997-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 square meters per square second.19395878Sfc1 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
2413 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
310 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 6:25 PM EDTSevere Thunderstorm WarningGYXOxford95 min
Jun 25, 5:29 PM EDTSevere Thunderstorm WarningGYXCoos61 min
Jun 25, 6:33 PM EDTSevere Thunderstorm WarningGYXCoos57 min

Nearby

Severe Thunderstorm Warnings in Maine, 1997Every severe thunderstorm warning in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.