Tropical Storm Hernan
- Time
- 8/13/2026, 3:00:00 PM UTC
- Coordinates
- 18.000, -131.900
- Data source
- nhc
- Classification
- TS
- Maximum sustained wind
- 40 kt (74 km/h)
- Pressure (mb)
- 1004
- Movement
- 245° at 3 kt
Event timeline
- Thu, 13 Aug 2026 09:31:05 GMTSignificantTropical Storm Hernan
- Thu, 13 Aug 2026 03:32:06 GMTSignificantTropical Depression Eight-E
Snapshots are recorded when the event first appears or its severity changes.
🧰 What to do
Before
- •Know your evacuation zone and route; fuel your car early
- •Stock water (1 gal/person/day for 3+ days), food, batteries, cash
- •Bring in outdoor furniture; board or shutter windows
During
- •Evacuate if ordered; otherwise shelter in an interior room
- •Stay away from windows; don't go out during the calm eye
- •Never run a generator indoors or in a garage
After
- •Wait for the all-clear; watch for downed lines and floodwater
- •Most storm deaths happen after landfall — from water and cleanup
- •Use flashlights, not candles; document damage for insurance
Guidance condensed from Ready.gov
AlertAtlas aggregates official hazard data (USGS, NOAA/NWS, NHC, NASA EONET, GDACS, SMN/CONAGUA México CC BY 4.0, SMN Argentina CC BY 4.0, INMET Brasil, Environment and Climate Change Canada OGL-Canada, EUMETNET – MeteoAlarm CC BY 4.0, PAGASA-DOST Philippines, India Meteorological Department, Thai Meteorological Department, EMSC-CSEM, Roshydromet, Kazhydromet, Office National de la Météorologie Algérie, INAMHI Ecuador, Dirección Meteorológica de Chile, National Center for Meteorology Saudi Arabia, Kyrgyzhydromet, Uzhydromet, Meteorological Service Jamaica, Egyptian Meteorological Authority, Smithsonian / USGS Global Volcanism Program, Japan Meteorological Agency PDL 1.0, MAGMA Indonesia (PVMBG), South African Weather Service, NSW Rural Fire Service CC BY 4.0, region boundaries Eurostat/GISCO © EuroGeographics). Event details update every few minutes while the event is active; pages for expired events are removed. Always follow guidance from local authorities.