Alert archive / California / Fire Weather Watches in 2021
Fire Weather Watch 12, NWS Reno, NV
NWS Reno, NV issued this fire weather watch at Aug 3, 2021, 2:48 AM PDT for 7 counties in Nevada; 9 counties in California. It took effect at Aug 5, 2021, 12:00 AM PDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Aug 3, 2021, 2:48 AM PDT (09:48 UTC)
- In effect from
- Aug 5, 2021, 12:00 AM PDT
- Expired
- Aug 4, 2021, 3:30 AM PDT
- In force
- Issued by
- NWS Reno, NV
Counties El Dorado County, CA, Lassen County, CA, Madera County, CA, Modoc County, CA, Mono County, CA, Nevada County, CA, Placer County, CA, Plumas County, CA, Sierra County, CA, Churchill County, NV, Douglas County, NV, Lyon County, NV, Mineral County, NV, Pershing County, NV, Storey County, NV, Washoe County, NV
The radar
The Reno radar (KRGX), 46 km from the middle of the area, began a volume at 09:49 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
Reno, NV (KREV), launched 00:00Z, 9.8 hours before the alert went out and 137 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
- 113 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 3675 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
What forecasters said that day
The local office's own words before this fire weather watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Aug 2, 9:06 PM PDT, 5 hours 42 minutes before
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</html>Special weather statement, Aug 2, 10:04 PM PDT, 4 hours 44 minutes before
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<main class="wrap">
<section class="card" role="status" aria-live="polite">
<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.
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<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 Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 6:20 PM PDT | Special Weather Statement | REV | Lyon, Mineral | 55 min |
| Aug 2, 6:30 PM PDT | Special Weather Statement | REV | Churchill | 60 min |
| Aug 2, 7:21 PM PDT | Special Weather Statement | REV | Mineral | 54 min |
| Aug 2, 7:27 PM PDT | Areal Flood Advisory | REV | Churchill | 2 hr |
| Aug 2, 7:35 PM PDT | Areal Flood Advisory | REV | Mineral | 115 min |
| Aug 2, 8:20 PM PDT | Special Weather Statement | REV | Mineral | 55 min |
| Aug 2, 9:06 PM PDT | Special Weather Statement | REV | Lyon | 54 min |
| Aug 2, 10:04 PM PDT | Special Weather Statement | REV | Lyon | 56 min |
Nearby
Fire Weather Watches in California, 2021Fire Weather Watches in Nevada, 2021Every fire weather watch in 2021
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.