Alert archive / California / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 1, NWS Sacramento, CA
NWS Sacramento, CA issued this severe thunderstorm warning at Feb 27, 2006, 8:38 PM PST for 9 counties in California. It was in force for 49 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
- Feb 27, 2006, 8:38 PM PST (04:38 UTC)
- Expired
- Feb 27, 2006, 9:27 PM PST
- In force
- 49 min
- Issued by
- NWS Sacramento, CA
- Area
- Counties, with a storm outline in the text
Counties El Dorado County, CA, Nevada County, CA, Placer County, CA, Sacramento County, CA, San Joaquin County, CA, Solano County, CA, Sutter County, CA, Yolo County, CA, Yuba County, CA
The radar
The Sacramento radar (KDAX), 45 km from the middle of the area, began a volume at 04:42 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
Oakland, CA (KOAK), launched 00:00Z, 4.6 hours before the alert went out and 139 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
- 105 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 592 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 191 m²/s²
- 0-3 km storm-relative helicity
- 266 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 Sacramento, CA wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 27, 3:30 PM PST, 5 hours 8 minutes earlier.
Area forecast discussion, Feb 27, 3:30 PM PST, 5 hours 8 minutes before
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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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If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>The office that day
Everything else NWS Sacramento, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 9:15 AM PST | Winter Weather Advisory | STO | 11 hr | |
| Feb 28, 9:30 AM PST | Tornado Warning | STO | Solano | 30 min |
| Feb 28, 9:58 AM PST | Tornado Warning | STO | Sacramento, Solano, Yolo | 30 min |
| Feb 28, 11:21 AM PST | Severe Thunderstorm Warning | STO | Sacramento | 23 min |
| Feb 28, 2:17 PM PST | Winter Storm Watch | STO | 13 hr | |
| Feb 28, 3:46 PM PST | Severe Thunderstorm Warning | STO | El Dorado, Sacramento | 29 min |
| Feb 28, 3:47 PM PST | Severe Thunderstorm Warning | STO | San Joaquin | 36 min |
Nearby
Severe Thunderstorm Warnings in California, 2006Every severe thunderstorm warning in 2006
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.