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🏛 Official alert Special Weather Statement Weather & disasters Moderate

Special Weather Statement

N Issued by NWS Los Angeles/Oxnard CA ⏳ In force until Thu 22 Oct, 16:00 📍 Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley (approximate) 🕑 1 h ago
🌐 Translate: ·

At 522 AM PDT, Doppler radar was tracking a strong thunderstorm over Pomona, moving north at 20 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... San Dimas... Glendora... Pomona... Montclair... La Verne... Diamond Bar... Claremont... Covina... and Walnut.

🗃 Archived report - it is no longer on the live map. Pages are kept for 30 days.

📡 CAP alert details

Common Alerting Protocol
Official alert linked ▾
⚠
SeverityModerate
⏱
UrgencyExpected
❓
CertaintyObserved
EventSpecial Weather Statement
Response typeExecute
CategoryMet
Affected areaEastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Issuing authorityNWS Los Angeles/Oxnard CA
ContactNot supplied

🕓 Alert timing · EAT

Sent2026-10-22T05:23:00-07:00
Effective2026-10-22T05:23:00-07:00
Onset2026-10-22T05:23:00-07:00
Expires2026-10-22T06:00:00-07:00

📋 Official instructions

If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways.

📄 Message details

Alert identifierurn:oid:2.49.0.1.840.0.9813d627be4b9990435141152e80a949061a8c17.001.1
Message typeAlert
Senderw-nws.webmaster@noaa.gov
ScopePublic
CAP statusActual
Related messagesNot supplied
ⓘ CAP fields populate when an official alert is linked.

🛡 Safety advice

General guidance for this type of incident - not official instructions.
  • If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways.
  • Stay aware of your surroundings in this area.
  • Follow official updates from the police and local authorities.
  • In an emergency call 112 (police) or 112 (ambulance), or request help through Jilinde.

📰 Story summary

From the report shown in the feed:
  • At 522 AM PDT, Doppler radar was tracking a strong thunderstorm over Pomona, moving north at 20 mph.
  • HAZARD...Wind gusts up to 40 mph.
  • SOURCE...Radar indicated.
  • IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects.
  • Locations impacted include...
  • San Dimas...
  • Glendora...
  • Pomona...
  • Montclair...
  • La Verne...
  • Diamond Bar...
  • Claremont...
  • Covina...
  • and Walnut.
ⓘ News summary · read the original report for full context.

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