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Current watches, warnings, and advisories for San Francisco Bay Shoreline (CAZ508) CA
Last Update: Apr 23 2024 at 8:00 pm EDT
Current watches, warnings, and advisories for Alameda County (CAC001) CA
Last Update: Apr 23 2024 at 8:00 pm EDT
Current watches, warnings, and advisories for PZZ531
Last Update: Apr 30 2024 at 11:58 am EDT
Small Craft Advisory
- Issued Apr 30 at 8:55AM PDT until May 1 at 9:00PM PDT
- by NWS San Francisco CA
San Francisco Bay South of the Bay Bridge
* WHAT...For the first Small Craft Advisory, west winds 10 to 20
kt and choppy waters expected. For the second Small Craft
Advisory, northwest winds 10 to 20 kt and choppy waters
expected.

* WHERE...San Francisco Bay South of the Bay Bridge.

* WHEN...For the first Small Craft Advisory, from 3 PM this
afternoon to 3 AM PDT Wednesday. For the second Small Craft
Advisory, from 3 PM to 9 PM PDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

Small Craft Advisory
- Issued Apr 30 at 8:55AM PDT until May 1 at 3:00AM PDT
- by NWS San Francisco CA
San Francisco Bay South of the Bay Bridge
* WHAT...For the first Small Craft Advisory, west winds 10 to 20
kt and choppy waters expected. For the second Small Craft
Advisory, northwest winds 10 to 20 kt and choppy waters
expected.

* WHERE...San Francisco Bay South of the Bay Bridge.

* WHEN...For the first Small Craft Advisory, from 3 PM this
afternoon to 3 AM PDT Wednesday. For the second Small Craft
Advisory, from 3 PM to 9 PM PDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

Updated: @ 30-Apr-2024 12:50pm - next update at 1:00pm

Summary / Temperature

Wind

Rain

Outlook

clear

64.1°F

---

Feels like: 64°F

24-hr difference
-0.2°F

	Today	Yesterday
High:	64.5°F 12:43pm	67.4°F 2:25pm
Low:	51.4°F 6:39am	53.0°F 6:34am

	WNW 5.3 Gust: 2.0
2 Bft - Light Breeze
Today: 15.0 12:05pm
Gust Month: 30.0 Apr 26

Rain Today:	0.00 in
Rain Rate (/hr):	0.000 in
Rain Yesterday:	0.00 in
Storm Rain:	0.00 in
This Month:	1.13 in
Season Total:	16.13 in
4 rain days in Apr.

Wednesday

Sunny

Sunny

Humidity & Barometer

Almanac

Moon

Humidity:	55 %
Dew Point:	47.6°F
Barometer:	29.977 inHg
Baro Trend:	Steady

Sunrise:	6:13am
Sunset:	7:57pm
Moonrise:	1:58am
Moonset:	11:27am

Waning Gibbous

57%
Illuminated

UV Index

Solar Radiation

5.9 Medium

High: 5.9 @ 12:46pm

956 W/m² (100 %)

High: 956 @ 12:44pm

National Weather Service Headline

Another Round of Severe Storms Expected Across the Central U.S.; Critical Fire Weather Conditions in the Northern Rockies

Apr 30 2024 at 8:11 am PDT

The Watchers

Marietta tornado rated EF4, Oklahoma’s first violent tornado in 8 years

Apr 30 2024 at 06:28:17 UTC

The tornado that hit Marietta, Oklahoma at 23:08 CDT on April 27, 2024, was rated EF-4 by the National Weather Service (NWS), making it Oklahoma's first violent tornado in nearly 8 years. This event resulted in one fatality and extensive structural damage across multiple counties.
Source
Major eruption at Ruang volcano, ash to 19.2 km (63 000 feet) a.s.l., Indonesia

Apr 29 2024 at 22:21:45 UTC

Another high-level eruption started at Indonesia's Ruang volcano at 18:15 UTC on April 29, 2024 (01:15 LT, April 30), producing an ash column to an estimated height of about 19.2 km (63 000 feet) above sea level. Authorities raised the Alert Level to 4 and the Aviation Color Code to Red. This powerful eruption comes just 2 weeks after a similar eruption on April 16.
Source
Large avalanche strikes Sonmarg, Jammu and Kashmir

Apr 29 2024 at 10:47:00 UTC

The Sonmarg region of Jammu and Kashmir was hit by a severe avalanche on April 29, 2024, amidst ongoing heavy rain and snowfall, leading to the closure of critical transport routes including the main Jammu-Srinagar highway.
Source
Dam collapse in western Kenya claims at least 48 lives, leaves 49 missing

Apr 29 2024 at 09:47:12 UTC

At least 48 people have died and another 49 are missing after the Old Kijabe Dam near Mai Mahiu in Nakuru County, Kenya, collapsed due to heavy rainfall. The collapse caused severe infrastructural damage including a major road cut-off.
Source
Significant ground deformation triggers Yellow alert at Puyehue-Cordón Caulle volcanic complex, Chile

Apr 29 2024 at 06:32:28 UTC

The Puyehue-Cordón Caulle Volcanic Complex in Chile was placed under a Yellow alert at 20:00 UTC on April 26, 2024. This decision followed observations of increased ground deformation linked to an active inflation zone, located 6 km (3.7 miles) west-northeast of the 2011 eruption site. Monitoring data have shown the highest deformation rates since measurements began, reaching up to 2.4 cm (0.95 inches) per month.
Source
Increased eruptive activity, high sulfur dioxide emissions at Tofua volcano, Tonga

Apr 29 2024 at 05:35:39 UTC

Volcanic activity increased at Tonga's Tofua volcano at 09:56 LT on April 26, 2024, with very intense thermal emission detected by MIROVA.
Source
Bright green fireball over Long Island, New York

Apr 29 2024 at 04:42:24 UTC

A bright fireball was seen and recorded streaking through the night sky over the northern tip of Long Island, New York at 02:08 UTC on April 27, 2024 (22:08 LT, April 26).
Source
Catastrophic damage, at least 4 fatalities after severe tornado outbreak hits Oklahoma

Apr 29 2024 at 01:25:47 UTC

A severe tornado outbreak on Saturday, April 27, 2024, has resulted in the deaths of at least four individuals and inflicted significant destruction across several cities in Oklahoma, marking one of the most destructive days in the state's recent history.
Source

mtrchat IEMBot RSS Feed - Alameda County Storm Reports - Last 6 Hours

mtrchat IEMBot RSS Feed - MTR San Francisco/Monterey Bay Area - Last 6 Hours

MTR issues Area Forecast Discussion (AFD) at Apr 30, 12:20 PM PDT ...New AVIATION, MARINE...

Apr 30 2024 at 12:20 pm PDT

MTR issues Area Forecast Discussion (AFD) at Apr 30, 8:55 AM PDT ...New UPDATE, MARINE...

Apr 30 2024 at 8:56 am PDT

SPC Tornado/Severe Thunderstorm Watches

SPC Tornado Watch 163

SPC Tornado Watch 163 Status Reports

SPC Mesoscale Discussions

SPC MD 576

SPC MD 575

SPC Convective Outlooks

SPC Apr 30, 2024 1630 UTC Day 1 Convective Outlook

SPC Apr 30, 2024 1730 UTC Day 2 Convective Outlook

Affiliations/Member of: Citizen Weather Observer Program (CWOP), Skywarn, WeatherForYou, Southwestern Weather Network, Weather Underground, Met Office WOW