Alert archive / California / High Wind Watches in 2013
High Wind Watch 2, NWS Los Angeles, CA
NWS Los Angeles, CA issued this high wind watch at Jan 12, 2013, 1:52 PM PST for Los Angeles County, California. It took effect at Jan 14, 2013, 3:00 AM PST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jan 12, 2013, 1:52 PM PST (21:52 UTC)
- In effect from
- Jan 14, 2013, 3:00 AM PST
- Expired
- Jan 13, 2013, 9:02 PM PST
- In force
- Issued by
- NWS Los Angeles, CA
County Los Angeles County, CA
The radar
The Santa Ana Mts radar (KSOX), 71 km from the middle of the area, began a volume at 21:57 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
San Diego, CA (KNKX), launched 12:00Z, 9.9 hours before the alert went out and 184 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
- 1590 m above ground
- 0-6 km bulk shear
- 88 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this high wind watch 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 high wind watch went out at Jan 12, 1:30 PM PST, 22 minutes earlier.
Area forecast discussion, Jan 12, 1:30 PM PST, 22 minutes before
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Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 11, 9:22 PM PST | Small Craft Advisory | LOX | 6 hr | |
| Jan 11, 11:23 PM PST | Winter Weather Advisory | LOX | 6 hr | |
| Jan 12, 3:13 AM PST | Frost Advisory | LOX | 30 hr | |
| Jan 12, 3:13 AM PST | Freeze Watch | LOX | 24 hr | |
| Jan 12, 3:13 AM PST | Freeze Warning | LOX | Los Angeles | 30 hr |
| Jan 12, 2:23 PM PST | Gale Watch | LOX | 15 hr |
Nearby
High Wind Watches in California, 2013Every high wind watch in 2013
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.