Alert archive / Oregon / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 44, NWS Pendleton, OR
NWS Pendleton, OR issued this severe thunderstorm warning at Jul 29, 1998, 2:56 PM PDT for Deschutes County, Oregon. It was in force for 49 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
- Jul 29, 1998, 2:56 PM PDT (21:56 UTC)
- Expired
- Jul 29, 1998, 3:45 PM PDT
- In force
- 49 min
- Issued by
- NWS Pendleton, OR
- Area
- Whole counties
County Deschutes County, OR
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 29, 2:59 PM PDT | Thunderstorm Wind 51 | Millican, OR | A spotter five miles south of Millican reported thunderstorm wind gusts to 60 mph. Wind knocked out power to about 1,200 customers for ten minutes. |
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
Medford/Jackson, OR (KMFR), launched 12:00Z, 9.9 hours before the alert went out and 214 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
- 2178 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Pendleton, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 2:06 PM PDT | Severe Thunderstorm Warning | PDT | Deschutes | 49 min |
Nearby
Severe Thunderstorm Warnings in Oregon, 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.