Alert archive / California / Special Weather Statements in 2018
Special Weather Statement, NWS Los Angeles, CA
NWS Los Angeles, CA issued this special weather statement at Nov 29, 2018, 7:21 AM PST for San Luis Obispo County, California. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Nov 29, 2018, 7:21 AM PST (15:21 UTC)
- Expired
- Nov 29, 2018, 8:00 AM PST
- In force
- 39 min
- Issued by
- NWS Los Angeles, CA
County San Luis Obispo County, CA
The radar
The Vandenberg AFB radar (KVBX), 51 km from the middle of the area, began a volume at 15:24 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 12:00Z, 3.4 hours before the alert went out and 310 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
- 315 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 1031 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Los Angeles, CA wrote its last area forecast discussion before this special weather statement went out at Nov 29, 3:28 AM PST, 3 hours 53 minutes earlier.
Area forecast discussion, Nov 29, 3:28 AM PST, 3 hours 53 minutes before
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</html>In the hours before
Special weather statement, Nov 29, 7:21 AM PST, 0 minutes before
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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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Please try again in a few minutes.
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</html>The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 28, 8:51 PM PST | Gale Warning | LOX | 47 hr | |
| Nov 28, 10:20 PM PST | Areal Flood Advisory | LOX | Santa Barbara | 3 hr |
| Nov 29, 12:06 AM PST | Wind Advisory | LOX | Los Angeles | 24 hr |
| Nov 29, 1:02 AM PST | Areal Flood Advisory | LOX | San Luis Obispo, Santa Barbara | 4 hr |
| Nov 29, 1:13 AM PST | Areal Flood Advisory | LOX | Santa Barbara | 4 hr |
| Nov 29, 4:01 AM PST | Areal Flood Advisory | LOX | Ventura | 3 hr |
| Nov 29, 5:16 AM PST | Areal Flood Advisory | LOX | Los Angeles, Ventura | 119 min |
| Nov 29, 7:21 AM PST | Areal Flood Advisory | LOX | Los Angeles, Ventura | 87 min |
| Nov 29, 7:49 AM PST | Areal Flood Advisory | LOX | Los Angeles | 3 hr |
| Nov 29, 9:44 AM PST | Areal Flood Advisory | LOX | Santa Barbara, Ventura | 61 min |
| Nov 29, 11:13 AM PST | Areal Flood Advisory | LOX | Los Angeles, Ventura | 62 min |
| Nov 29, 11:20 AM PST | Special Weather Statement | LOX | San Luis Obispo | 85 min |
| Nov 29, 1:13 PM PST | Special Weather Statement | LOX | San Luis Obispo, Santa Barbara | 77 min |
| Nov 29, 1:41 PM PST | Areal Flood Advisory | LOX | Los Angeles | 4 hr |
| Nov 29, 1:42 PM PST | Areal Flood Advisory | LOX | Santa Barbara | 108 min |
| Nov 29, 2:30 PM PST | Special Weather Statement | LOX | Ventura | 90 min |
| Nov 29, 2:56 PM PST | Areal Flood Advisory | LOX | Ventura | 3 hr |
| Nov 29, 3:31 PM PST | Special Weather Statement | LOX | Ventura | 89 min |
Nearby
Special Weather Statements in California, 2018Every special weather statement in 2018
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.