Alert archive / Oregon / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 7, NWS Pendleton, OR
NWS Pendleton, OR issued this severe thunderstorm warning at Aug 5, 2024, 4:00 PM PDT for Union County, Wallowa County, Oregon. It was in force for 48 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
- Aug 5, 2024, 4:00 PM PDT (23:00 UTC)
- Expired
- Aug 5, 2024, 4:48 PM PDT
- In force
- 48 min
- Issued by
- NWS Pendleton, OR
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Union County, OR, Wallowa County, OR
The radar
The Pendleton radar (KPDT), 102 km from the middle of the area, began a volume at 23:00 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
Spokane, WA (KOTX), launched 12:00Z, 11.0 hours before the alert went out and 267 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
- 26 J/kg
- Mixed-layer CIN
- -419 J/kg
- Mixed-layer LCL
- 1763 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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.
NWS Pendleton, OR wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 5, 3:55 PM PDT, 5 minutes earlier.
Area forecast discussion, Aug 5, 3:55 PM PDT, 5 minutes before
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Special weather statement, Aug 5, 2:55 PM PDT, 1 hour 5 minutes before
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</html>Special weather statement, Aug 5, 3:42 PM PDT, 18 minutes before
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<body>
<main class="wrap">
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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The site you requested is temporarily down for maintenance or an unexpected outage.
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<p id="message2">
Please try again in a few minutes.
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</html>The office that day
Everything else NWS Pendleton, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 5:29 PM PDT | Special Weather Statement | PDT | Wheeler | 46 min |
| Aug 4, 5:59 PM PDT | Severe Thunderstorm Warning | PDT | Gilliam, Sherman, Wasco, Wheeler | 46 min |
| Aug 4, 6:02 PM PDT | Special Weather Statement | PDT | Jefferson | 43 min |
| Aug 4, 6:21 PM PDT | Special Weather Statement | PDT | Jefferson | 39 min |
| Aug 4, 6:46 PM PDT | Special Weather Statement | PDT | Jefferson | 44 min |
| Aug 4, 6:50 PM PDT | Special Weather Statement | PDT | Morrow | 40 min |
| Aug 4, 6:58 PM PDT | Severe Thunderstorm Warning | PDT | Grant, Morrow, Umatilla, Wheeler | 47 min |
| Aug 4, 7:23 PM PDT | Special Weather Statement | PDT | Wheeler | 37 min |
| Aug 4, 7:38 PM PDT | Severe Thunderstorm Warning | PDT | Grant, Umatilla | 52 min |
| Aug 4, 8:43 PM PDT | Special Weather Statement | PDT | Union | 32 min |
| Aug 4, 8:46 PM PDT | Special Weather Statement | PDT | Sherman | 29 min |
| Aug 4, 9:14 PM PDT | Special Weather Statement | PDT | Union | 46 min |
| Aug 4, 9:29 PM PDT | Special Weather Statement | PDT | Grant | 46 min |
| Aug 4, 10:08 PM PDT | Special Weather Statement | PDT | Grant | 37 min |
| Aug 4, 10:45 PM PDT | Special Weather Statement | PDT | Union | 45 min |
| Aug 4, 11:27 PM PDT | Special Weather Statement | PDT | Union | 48 min |
| Aug 5, 3:46 AM PDT | Red Flag Warning | PDT | 37 hr | |
| Aug 5, 7:20 AM PDT | Special Weather Statement | PDT | Wallowa | 25 min |
| Aug 5, 2:55 PM PDT | Special Weather Statement | PDT | Wallowa | 35 min |
| Aug 5, 3:17 PM PDT | Special Weather Statement | PDT | Wallowa | 28 min |
| Aug 5, 3:42 PM PDT | Special Weather Statement | PDT | Union | 33 min |
| Aug 5, 4:33 PM PDT | Special Weather Statement | PDT | Wallowa | 57 min |
| Aug 5, 4:48 PM PDT | Special Weather Statement | PDT | Wallowa | 42 min |
| Aug 5, 4:52 PM PDT | Severe Thunderstorm Warning | PDT | Wallowa | 41 min |
| Aug 5, 5:58 AM PDT | Special Weather Statement | PDT | Columbia | 47 min |
Nearby
Severe Thunderstorm Warnings in Oregon, 2024Every severe thunderstorm warning in 2024
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.