Serving the City Of San Marcos and the San Marcos Fire Protection District covering 33 square miles in San Diego County California
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ALT A look into what atmospheric rivers are and what they can produce. These are flowing columns of condensed water vapor that can result in heavy rain and mountain snow. This will be the case as an atmospheric river moves through our region early this week.
ALT Map of expected wind gusts through Friday, February 2, 2024. Local gusts over 50 MPH will occur on the mountain crests and desert slopes. Most gusts will be 20-30 MPH west of the mountains.
ALT Este gráfico muestra la localización en el mapa de un aviso de inundación repentina. El aviso estará en efecto hasta la 1:45 PM PST. El aviso incluye a Escondido CA, Carlsbad CA, Vista CA. El aviso incluye el noroeste del condado de San Diego en el suroeste de California. ¡Evite caminar o manejar su vehículo a través de áreas inundadas! ¡Muévase a un terreno más alto inmediatamente! Hay 847,421 personas bajo este aviso incluyendo 185 escuelas y 6 hospitales.
ALT This graphic displays a flash flood warning plotted on a map. The warning is in effect until 1:45 PM PST. The warning includes Escondido CA, Carlsbad CA and Vista CA. This warning is for Northwestern San Diego County in southwestern California. Avoid walking or driving through flood waters! Move immediately to higher ground! There are 847,421 people in the warning along with 185 schools and 6 hospitals.
ALT The latest track forecast for Tropical Cyclone Hilary, which has shifted slightly eastward and faster. Hilary will pass over Southern California on Sunday, spreading very heavy rainfall across the region.
ALT The latest expected rainfall totals from Hilary. Coasts/Valleys: 2-4 inches. Mountains: 4-7, localized areas over 10" on higher elevations. Deserts: 4-7".
ALT A map of peak wind gusts on Sunday and Monday. Much of Southern California will see peak wind gusts of 25-45 mph, though the mountains will be at risk for higher wind gusts of 40-60 mph.
ALT 1. Heavy rainfall associated with Hilary could produce areas of flash flooding and result in landslides over portions of the Baja California Peninsula late tonight through late Sunday. Rainfall impacts from Hilary within the Southwestern United States are expected to peak this weekend into Monday. Flash, urban, and arroyo flooding is expected, with the potential for rare and dangerous impacts. 2. Hurricane conditions are expected within portions of the hurricane warning area along the west-central coast of the Baja California Peninsula on Sunday and are possible in the Hurricane Watch area. 3. Tropical storm conditions are possible on Sunday in portions of southern California where a Tropical Storm Watch has been issued. 4. Large swells from Hilary will spread northward along the coast of southwestern Mexico and the Baja California Peninsula. These swells will reach the Gulf of California and northern portions of the Baja California Peninsula later this weekend.
