Alert archive / California / Freeze Warnings in 2006
Freeze Warning 1, NWS San Diego, CA
NWS San Diego, CA issued this freeze warning at Nov 29, 2006, 2:37 AM PST for San Bernardino County, California. It took effect at Nov 29, 2006, 7:00 PM PST. It was in force for 13 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
- Nov 29, 2006, 2:37 AM PST (10:37 UTC)
- In effect from
- Nov 29, 2006, 7:00 PM PST
- Expired
- Nov 30, 2006, 8:00 AM PST
- In force
- 13 hr
- Issued by
- NWS San Diego, CA
County San Bernardino County, CA
The nearest sounding before it
Mercury/Desert R, NV (KDRA), launched 00:00Z, 10.6 hours before the alert went out and 198 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
- 2 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1760 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Diego, CA wrote its last area forecast discussion before this freeze warning went out at Nov 28, 9:30 PM PST, 5 hours 7 minutes earlier.
Area forecast discussion, Nov 28, 9:30 PM PST, 5 hours 7 minutes before
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<div class="status" id="status">Temporary Notice</div>
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The site you requested is temporarily down for maintenance or an unexpected outage.
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</html>The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 29, 2:37 AM PST | Frost Advisory | SGX | Riverside, San Bernardino, San Diego | 29 hr |
| Nov 29, 2:37 AM PST | Freeze Watch | SGX | Riverside, San Bernardino, San Diego | 35 hr |
Nearby
Freeze Warnings in California, 2006Every freeze 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.