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🏛 Official alert Special Weather Statement Weather & disasters Moderate

Special Weather Statement

N Issued by NWS Hanford CA ⏳ In force until Wed 21 Oct, 22:00 📍 Mariposa Madera Foothills; Mariposa-Madera Lower Sierra (approximate) 🕑 2 h ago
🌐 Translate: ·

At 1137 AM PDT, Doppler radar was tracking a strong thunderstorm 14 miles west of Bootjack, or 23 miles northeast of Merced, moving north at 40 mph. HAZARD...Pea size hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Locations impacted include... Lake McClure and Catheys Valley.

🗃 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 areaMariposa Madera Foothills; Mariposa-Madera Lower Sierra
Issuing authorityNWS Hanford CA
ContactNot supplied

🕓 Alert timing · EAT

Sent2026-10-21T11:37:00-07:00
Effective2026-10-21T11:37:00-07:00
Onset2026-10-21T11:37:00-07:00
Expires2026-10-21T12:00:00-07:00

📋 Official instructions

Monitor the weather situation closely and be alert for threatening weather conditions. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.

📄 Message details

Alert identifierurn:oid:2.49.0.1.840.0.c81f31ae6a697231636a1eb6c717c01cdc2698a9.001.1
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.
  • Monitor the weather situation closely and be alert for threatening weather conditions. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.
  • 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 1137 AM PDT, Doppler radar was tracking a strong thunderstorm 14 miles west of Bootjack, or 23 miles northeast of Merced, moving north at 40 mph.
  • HAZARD...Pea size hail.
  • SOURCE...Radar indicated.
  • IMPACT...Minor damage to outdoor objects is possible.
  • Locations impacted include...
  • Lake McClure and Catheys Valley.
ⓘ News summary · read the original report for full context.

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