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Tropical stormEast Pacific · EP20

Tropical Storm Simon Tracker

40 mph max sustained / 65 km/h max sustained
Pressure
1004 mb
Moving
WNW · 8 mph / 13 km/h
Position
15.5°N 101.6°W
Next update
Advisory 2 ·

Watches & warnings

No coastal watches or warnings are in effect.

Source · NHC · SMN advisory 2

Key messages

FULL ADVISORY 2

As of NHC advisory 2 (Oct 7 21:00 UTC), Tropical Storm Simon was centered near 15.5°N 101.6°W, about 140 miles (230 km) SSW of Atoyac de Álvarez, Mexico. Maximum sustained winds were 40 mph (65 km/h), making it a tropical storm, with a minimum central pressure of 1004 mb. It was moving WNW at 8 mph (13 km/h).

  1. 01Simon is expected to strengthen into a hurricane by Thursday night and approach the west-central coast of Mexico as a major hurricane on Saturday.
  2. 02There is a risk of dangerous wind and storm surge impacts along portions of the west-central coast of Mexico over the weekend and into early next week, and watches could be required by tonight.
  3. 03Heavy rainfall associated with Simon will impact portions of southwestern Mexico later this week and into the weekend. This rainfall may produce life-threatening flooding and mudslides, especially in areas of steep terrain.
  4. 04Swells will affect portions of the southwestern and west-central coast of Mexico through the weekend. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office.

Key messages are quoted from the NHC forecast discussion. Numbers are never rewritten.

Forecast

NHC advisory 2
WhenTimePositionStrengthWindNote
Now15.5°N 101.6°WTS40 mph / 65 km/hCurrent position
+12 h15.9°N 102.7°WTS50 mph / 85 km/h
+24 h16.3°N 104.0°WTS65 mph / 100 km/h
+36 h16.6°N 104.8°WC175 mph / 120 km/h
+48 h17.0°N 105.1°WC185 mph / 140 km/h
+60 h17.8°N 105.2°WC2105 mph / 165 km/h
+72 h18.9°N 105.3°WC3115 mph / 185 km/h
+96 h21.2°N 105.6°WC190 mph / 150 km/h
+120 h23.6°N 106.7°WC190 mph / 150 km/hInland

Intensity

TSC1C2C3C4C5NowPeak · 40 mph / 65 km/h · 1004 mb
Oct 5Oct 7Oct 9Oct 11
Observed (best track) NHC forecast1-minute sustained wind, category thresholds on the left.

How far is Simon from me?

Tropical Storm Simon FAQ

Where will Tropical Storm Simon make landfall?

The NHC forecast track shows the center of Simon moving inland near Mazatlán, Mexico around Oct 12 18:00 UTC. Timing and strength can change with each advisory, so follow the official warnings for your area.

How strong is Tropical Storm Simon right now?

As of advisory 2 (Oct 7 21:00 UTC), Simon has maximum sustained winds of 40 mph (65 km/h), making it a tropical storm. The minimum central pressure is 1004 mb. It is moving WNW at 8 mph (13 km/h).

Will Tropical Storm Simon affect the United States?

As of advisory 2 (Oct 7 21:00 UTC), NHC has no watches or warnings for the United States and its key messages do not mention U.S. impacts. Check again after the next advisory.

When is the next advisory?

The next NHC advisory on Simon is expected at Oct 8 03:00 UTC. NHC issues complete advisories every six hours (03, 09, 15 and 21 UTC), with intermediate advisories every three hours while coastal watches or warnings are in effect. This page updates within minutes of each release.