Alert archive / California / Winter Storm Watches in 2019
Winter Storm Watch 2, NWS San Diego, CA
NWS San Diego, CA issued this winter storm watch at Feb 1, 2019, 2:32 AM PST for San Bernardino County, California. It took effect at Feb 2, 2019, 5:00 PM PST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 1, 2019, 2:32 AM PST (10:32 UTC)
- In effect from
- Feb 2, 2019, 5:00 PM PST
- Expired
- Feb 1, 2019, 1:39 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 10:35 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, 10.5 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
- 556 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 59 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 Jan 31, 9:05 PM PST, 5 hours 27 minutes earlier.
Area forecast discussion, Jan 31, 9:05 PM PST, 5 hours 27 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 |
|---|---|---|---|---|
| Jan 31, 4:34 PM PST | Areal Flood Advisory | SGX | Riverside, San Diego | 3 hr |
| Jan 31, 9:21 PM PST | Flash Flood Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 45 hr |
| Feb 1, 1:49 AM PST | Gale Watch | SGX | 12 hr | |
| Feb 1, 1:28 PM PST | High Wind Warning | SGX | San Bernardino | 29 hr |
| Feb 1, 1:28 PM PST | Wind Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 29 hr |
| Feb 1, 1:39 PM PST | Winter Storm Warning | SGX | Riverside, San Bernardino, San Diego | 5 days |
| Feb 1, 1:51 PM PST | Beach Hazards Statement | SGX | Orange, San Diego | 40 hr |
| Feb 1, 1:52 PM PST | Gale Warning | SGX | 26 hr |
Nearby
Winter Storm Watches in California, 2019Every winter storm watch in 2019
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.