Alert archive / Maine / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 9, NWS Gray, ME

May 29, 1998Cumberland County, Maine

NWS Gray, ME issued this severe thunderstorm warning at May 29, 1998, 6:18 PM EDT for Cumberland County, Maine. It was in force for 57 min. 2 reports 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
May 29, 1998, 6:18 PM EDT (22:18 UTC)
Expired
May 29, 1998, 7:15 PM EDT
In force
57 min
Issued by
NWS Gray, ME
Area
Whole counties

County Cumberland County, ME

What was reported inside it

TimeReportWhereRemark
May 29, 6:42 PM EDTThunderstorm Wind 55Cumberland Center, ME
May 29, 6:48 PM EDTThunderstorm Wind 55Freeport, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 29, 3:30 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Gray, ME (KGYX), launched 12:00Z, 10.3 hours before the alert went out and 11 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 1998-05-29Temperature 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 1998-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 188 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
1860 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
188 m²/s²
0-3 km storm-relative helicity
131 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
May 29, 6:04 PM EDTSevere Thunderstorm WarningGYXYork46 min
May 29, 7:00 PM EDTSevere Thunderstorm WarningGYXSagadahoc60 min
May 29, 5:09 PM EDTSevere Thunderstorm WarningGYXMerrimack66 min
May 29, 5:24 PM EDTSevere Thunderstorm WarningGYXBelknap46 min
May 29, 5:40 PM EDTSevere Thunderstorm WarningGYXCarroll, Strafford45 min

Nearby

Severe Thunderstorm Warnings in Maine, 1998Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.