Alert archive / California / Excessive Heat Warnings in 2016
Excessive Heat Warning 1, NWS Los Angeles, CA
NWS Los Angeles, CA issued this excessive heat warning at Jun 17, 2016, 2:06 PM PDT for Los Angeles County, California. It took effect at Jun 19, 2016, 11:00 AM PDT. It was in force for 56 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 17, 2016, 2:06 PM PDT (21:06 UTC)
- In effect from
- Jun 19, 2016, 11:00 AM PDT
- Expired
- Jun 21, 2016, 7:22 PM PDT
- In force
- 56 hr
- 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 21:05 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, 9.1 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
- 1922 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- -39 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this excessive heat warning 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 excessive heat warning went out at Jun 17, 2:06 PM PDT, 0 minutes earlier.
Area forecast discussion, Jun 17, 2:06 PM PDT, 0 minutes before
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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 |
|---|---|---|---|---|
| Jun 16, 8:33 PM PDT | Wind Advisory | LOX | 8 hr | |
| Jun 17, 3:00 AM PDT | Small Craft Advisory | LOX | 17 hr | |
| Jun 17, 6:54 AM PDT | Beach Hazards Statement | LOX | Los Angeles | 38 hr |
| Jun 17, 2:06 PM PDT | Wind Advisory | LOX | 13 hr | |
| Jun 17, 3:07 PM PDT | Fire Weather Watch | LOX | 22 hr |
Nearby
Excessive Heat Warnings in California, 2016Every excessive heat warning in 2016
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.