SPC Day 1 outlook
- General Thunderstorms Risk highest in this area
SPC’s Day 1 categorical outlook, valid to , issued . SPC’s categories, as drawn. Data: NOAA/SPC.
3 warnings total · 0 tornado warnings · 3 alerts including watches and advisories
Current alert feed · checked
Warnings in area
3 of 3 alerts- High Wind WarningSan Bernardino and Riverside County Valleys-The Inland Empire; San Diego County Inland Valleys; Riverside County Mountains; Santa Ana Mountains and Foothills; San Diego County Mountains; San Gorgonio Pass Near BanningNWS San Diego CA · until warning · alerts checked
- Red Flag WarningCentral Sierra; North Kings River; Sequoia Kings; Lake Isabella; Tehachapi Area; Fort TejonNWS Hanford CA · until warning · alerts checked
- Red Flag WarningWestern Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Santa Susana Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills; Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Malibu Coast; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Los Angeles County San Gabriel ValleyNWS Los Angeles/Oxnard CA · until warning · alerts checked
Watched places
Places saved on this device appear here with scripting enabled.
Map
- High Wind Warning 1
- Red Flag Warning 2
NWS’s polygons as issued, or the zones a zone-issued alert names; SPC’s watches by their counties. Checked . Data: NOAA/NWS, NOAA/SPC.
Agency warning geometry · no observed imagery displayed
Interactive imagery loads separately. Missing radar does not remove warnings or imply clear weather.
Alert outlines: NOAA/NWS; cell points/observed segments: IEM/NEXRAD. A warning polygon is not a tornado footprint.
Lightning activity — GOES GLM
Total lightning, including in-cloud activity. Not ground-strike locations or a safe-to-go-outside signal.
Cached lightning observations have not loaded. An empty map is not zero lightning.
Snow analysis — NOHRSC
Source-rendered snow depth and snow water equivalent for the lower 48. History changes this snow picture only; warnings and radar keep their own clocks.
Stored snow depth · footprint valid 2026-10-16 18:00:00 UTC, picture retrieved 2026-10-17 03:08:05.170 UTC.
No NOHRSC picture displayed on the interactive map.
0 - 0.39 in
0.39 - 2.0 in
2.0 - 3.9 in
3.9 - 9.8 in
9.8 - 20 in
20 - 39 in
39 - 59 in
59 - 98 in
98 - 197 in
197 - 295 in
295 - 394 in
394 - 787 in
NOHRSC footprint times are metadata; pixel analysis time is not independently verified. Snow-depth pixels have previously differed from the footprint time. This is modeled/assimilated snow analysis, not a measurement at a place. Unshaded and no-data areas do not establish zero snow.
Radar-derived cells (0) · unavailable
Collector checked not reported; feed generated not reported. Zero cells does not establish coverage or clear weather. Observations from different radars are not merged.
Selected details
CloseCurrent NWS warning
San Bernardino and Riverside County Valleys-The Inland Empire; San Diego County Inland Valleys; Riverside County Mountains; Santa Ana Mountains and Foothills; San Diego County Mountains; San Gorgonio Pass Near Banning
High Wind Warning
- Issued
- Updated
- Ends as issued
- Office
- NWS San Diego CA
People are urged to secure loose objects that could be blown around or damaged by the wind.
The polygon is a warned area, not a tornado footprint. NWS detection tags are independent of radar algorithms and reports.
Relevant watched places
Save named places to check their point against every supported warning.
Full official message
High Wind Warning issued October 16 at 12:54PM PDT until October 17 at 8:00PM PDT by NWS San Diego CA
* WHAT...Easterly winds 15 to 20 mph with gusts 35 to 45 mph. Strongest below the San Gorgonio Pass. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel could be difficult for high profile vehicles.
People are urged to secure loose objects that could be blown around or damaged by the wind.
Warning-message history (14)
- warning-continued · 2026-10-16T19:54:00.000Z
- warning-continued · 2026-10-16T19:54:00.000Z
- warning-continued · 2026-10-16T19:54:00.000Z
- warning-continued · 2026-10-16T19:54:00.000Z
- warning-continued · 2026-10-16T19:54:00.000Z
- warning-continued · 2026-10-16T19:54:00.000Z
- warning-continued · 2026-10-16T19:54:00.000Z
- warning-continued · 2026-10-16T12:10:00.000Z
- warning-continued · 2026-10-16T12:10:00.000Z
- warning-continued · 2026-10-16T12:10:00.000Z
- warning-continued · 2026-10-16T12:10:00.000Z
- warning-continued · 2026-10-16T12:10:00.000Z
- warning-continued · 2026-10-16T12:10:00.000Z
- warning-continued · 2026-10-16T12:10:00.000Z
Data: NOAA/NWS · KSGX.HW.W.0003
Recent source changes
- office-hwo · source-revision · Recorded 2026-10-17T03:10:05.685Z
- office-afd · source-revision · Recorded 2026-10-17T03:10:05.685Z
- gauges-observed · source-revision · Recorded 2026-10-17T03:05:04.276Z
- radar-alerts · source-revision · Recorded 2026-10-17T03:05:03.995Z
- radar-alerts · source-revision · Recorded 2026-10-17T03:02:02.127Z
- radar-alerts · source-revision · Recorded 2026-10-17T03:00:09.615Z
- metars · source-revision · Recorded 2026-10-17T03:00:06.761Z
- hrrr · source-revision · Recorded 2026-10-17T03:00:06.761Z
Recording coverage and limits
- warnings: retained from 2026-10-16T03:10:41.635Z through 2026-10-17T03:10:05.163Z
- outlooks: retained from 2026-10-16T03:10:41.635Z through 2026-10-17T03:10:05.685Z
- hydro: retained from 2026-10-16T03:10:41.635Z through 2026-10-17T03:05:04.276Z
- analysis: retained from 2026-10-16T03:10:41.635Z through 2026-10-17T03:00:06.761Z
- winter: retained from 2026-10-16T03:10:41.635Z through 2026-10-17T03:08:04.565Z
Source-message history is not recorded imagery replay. Recorded radar/satellite imagery is not available in this view.
Auto-updating checks this site’s cache every minute; each source keeps its own clock.
Spotlight: SPC Day 1 outlook
1 of 15Watches
No tornado or severe thunderstorm watch in force in this area.
SPC’s watches, by number, matched by the counties they list. Data: NOAA/SPC.
Mesoscale discussions
No mesoscale discussion reaches this area.
SPC’s mesoscale discussions whose outline reaches the area. Data: NOAA/SPC.
Storm ingredients
SPC’s hourly mesoanalysis, observed soundings and model guidance for the area, on the Analysis tab with its own clocks.
Drawn by the Analysis tab’s own renderer. Data: NOAA/SPC, NOAA/NCEP.
Flash-flood risk, Day 1
- Marginal
WPC’s excessive rainfall outlook, to , issued : a chance of flash flooding, in four categories. Data: NOAA/WPC.
River gauges in flood
No river, coastal or lake gauge in this area is in flood, observed or forecast; 2 gauges at action stage.
NWS’s gauges at flood stage or above in the area, worst first, each with its forecast hydrograph on Rain & rivers. Data: NOAA/NWPS.
Rain expected and rain that fell
WPC’s rain forecast and MRMS’s radar estimate of the rain that fell, on the Briefing’s map for the area.
Data: NOAA/WPC, NOAA/NSSL MRMS.
Winter Storm Severity Index
WPC: “WSSI does not depict official warnings and should always be used in context with official NWS forecasts and warnings.”
- Winter Weather Area
- Minor Impacts
- Moderate Impacts
- Major Impacts
- Extreme Impacts
Highest in this area, by day and by cause
- Day 1
- nothing drawn
- Day 2
- nothing drawn
- Day 3
- nothing drawn
- Snow amount, Days 1–3
- nothing drawn
- Snow load, Days 1–3
- nothing drawn
- Ice, Days 1–3
- nothing drawn
- Blowing snow, Days 1–3
- nothing drawn
Each day and cause on the Winter tab, with its own issue time
WPC’s WSSI, overall impact, Days 1–3, valid to , issued . WPC issues each day and cause on its own clock. Not a warning, and not a chance. Data: NOAA/NWS/WPC.
Chance of Moderate impacts or worse, Day 1
WPC: “WSSI does not depict official warnings and should always be used in context with official NWS forecasts and warnings.”
- 5–10%
- 10–20% (not drawn)
- 20–30% (not drawn)
- 30–40% (not drawn)
- 40–50% (not drawn)
- 50–60% (not drawn)
- 60–70% (not drawn)
- 70–80% (not drawn)
- 80–90% (not drawn)
- 90–95% (not drawn)
- 95% or more (not drawn)
Each level and day on the Winter tab
WPC’s WSSI-P, the 24 hours to , WPC’s forecast from . Each band runs to the next. Data: NOAA/NWS/WPC.
Chance of at least 4 inches of snow, Day 1
WPC gives no chance of 4 inches of snow or more in this area over the next three days, so Day 1’s 4 inches is shown.
- Slight: at least 10%
- Moderate: at least 40%
- High: at least 70%
Every day and amount on the Winter tab
WPC’s Probabilistic Winter Precipitation Forecast, to , issued . Outlines, as WPC draws them. Data: NOAA/NWS/WPC.
Winter watches, warnings and advisories
No winter or cold watch, warning or advisory in force in this area.
NWS’s winter and cold alerts in force in the area, by event as issued, each counted once, with the offices that issued them and the latest end. Data: NOAA/NWS.
Snow on the ground
NOHRSC snow depth and snow water equivalent use the source’s original pictures and legends, with qualified footprint times. Open the cached source page for availability and retained history. This wall has no snow picture to rotate; missing imagery does not mean no snow.
Data: NOAA/NWS/NOHRSC. Snow analysis, not a measurement at a place.
WPC’s heavy snow and icing discussion
Issued , for to . WPC’s words, as written. Data: NOAA/NWS/WPC.
The tropics
NHC’s and JTWC’s storms, their official graphics and the watches and warnings for them. Storm Mode’s own tropical panels arrive with its tropical events.
Data: NOAA/NHC, JTWC.
Radar
NOAA’s radar for the area, loaded by your browser as on the Radar page.
Live tiles; the radar keeps no last-good copy.
What changed, last 60 minutes
- High Wind Warning no longer in force: Western Santa Monica Mountains Recreational Area; Santa Susana Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains
- WPC Winter Storm Severity Index issued
The products’ own words and times, and what is no longer in force since the last read. Never written by AI.
Monitoring area, legacy alert summary and selection rules
- Area
- California (NWS states: CA)
- Hazards
- Every kind of warning, watch and advisory this site carries
- Window
- In force now, with the next days of SPC’s and WPC’s products
- Made by
- This address: anyone can make one, and nothing is stored. Change the area or hazards
An area you chose, not a storm’s footprint: everything here is in force in this area, never “from this storm”.
In force in this area 3
- High Wind Warning1until 18 Oct 07:00Z
- Red Flag Warning2until 18 Oct 03:00Z
Every alert in this area, most urgent first
- High Wind WarningSan Bernardino and Riverside County Valleys-The Inland Empire; San Diego County Inland Valleys; Riverside County Mountains; Santa Ana Mountains and Foothills; San Diego County Mountains; San Gorgonio Pass Near Banninguntil · NWS San Diego CA
- Red Flag WarningCentral Sierra; North Kings River; Sequoia Kings; Lake Isabella; Tehachapi Area; Fort Tejonuntil · NWS Hanford CA
- Red Flag WarningWestern Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Santa Susana Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills; Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Malibu Coast; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Los Angeles County San Gabriel Valleyuntil · NWS Los Angeles/Oxnard CA
Most urgent first, by the Briefing’s ranking. Checked .
Sources
NWS warnings and SPC watches checked
NWS watches and advisories checked
SPC mesoscale discussions checked
SPC Day 1 outlook checked
WPC excessive rainfall checked
NWPS river gauges checked
WPC WSSI checked
WPC WSSI-P checked
WPC snow and ice chances checked
WPC heavy snow and icing discussion checked
Radar live tiles, no last-good copy
Not an official warning service. Warnings and watches are the National Weather Service’s, outlooks and reports the Storm Prediction Center’s and the Weather Prediction Center’s (Data: NOAA/NWS, NOAA/SPC, NOAA/WPC). When a warning is issued for you, act on it, and use weather.gov or a NOAA Weather Radio for where you are.