Alert archive / California / Winter Storm Watches in 2014
Winter Storm Watch 2, NWS San Diego, CA
NWS San Diego, CA issued this winter storm watch at Dec 15, 2014, 3:37 AM PST for San Bernardino County, California. It took effect at Dec 17, 2014, 12:00 AM PST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 15, 2014, 3:37 AM PST (11:37 UTC)
- In effect from
- Dec 17, 2014, 12:00 AM PST
- Expired
- Dec 16, 2014, 1:42 PM PST
- In force
- Issued by
- NWS San Diego, CA
County San Bernardino County, CA
The radar
The Edwards AFB radar (KEYX), 129 km from the middle of the area, began a volume at 11:36 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 00:00Z, 11.6 hours before the alert went out and 246 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
- 1234 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm watch 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 winter storm watch went out at Dec 14, 9:40 PM PST, 5 hours 57 minutes earlier.
Area forecast discussion, Dec 14, 9:40 PM PST, 5 hours 57 minutes before
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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 |
|---|---|---|---|---|
| Dec 14, 8:50 PM PST | Small Craft Advisory | SGX | 71 hr | |
| Dec 14, 9:14 PM PST | High Surf Advisory | SGX | San Diego | 63 hr |
| Dec 15, 3:37 AM PST | Winter Weather Advisory | SGX | San Bernardino | 38 hr |
| Dec 15, 11:53 AM PST | Flash Flood Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 52 hr |
| Dec 15, 12:58 PM PST | Winter Weather Advisory | SGX | Riverside, San Diego | 52 hr |
Nearby
Winter Storm Watches in California, 2014Every winter storm watch in 2014
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.