Alert archive / Maine / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 41, NWS Gray, ME
NWS Gray, ME issued this severe thunderstorm warning at Sep 27, 1998, 5:57 PM EDT for Piscataquis County, Somerset County, Maine. It was in force for 63 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
- Sep 27, 1998, 5:57 PM EDT (21:57 UTC)
- Expired
- Sep 27, 1998, 7:00 PM EDT
- In force
- 63 min
- Issued by
- NWS Gray, ME
- Area
- Whole counties
Counties Piscataquis County, ME, Somerset County, ME
The radar
The Caribou radar (KCBW), 146 km from the middle of the area, began a volume at 21:59 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 27, 6:26 PM EDT | Thunderstorm Wind 50 | Monson, 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, 10.0 hours before the alert went out and 205 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 835 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 285 m²/s²
- 0-3 km storm-relative helicity
- 333 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 27, 5:32 PM EDT | Severe Thunderstorm Warning | GYX | Penobscot, Somerset | 63 min |
| Sep 27, 7:18 PM EDT | Severe Thunderstorm Warning | GYX | Hancock, Penobscot | 62 min |
| Sep 27, 7:41 PM EDT | Severe Thunderstorm Warning | GYX | Washington | 49 min |
| Sep 27, 7:29 PM EDT | Severe Thunderstorm Warning | GYX | Coos | 31 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; radar from the NEXRAD Level II archive.