Situation Map
Legend
SystemTimePositionMovement (kts)Winds (kts)Pressure (mb)
HERNAN290900Z22.8N 119.9WWNW 14351006
HALONG290600Z12.7N 148.0ENW 0550985
93L290600Z9.9N 37.3WWNW 15301010
Tropical Storm HERNAN Tropical Storm HALONG Situation Map
Global Tropics Hazards and Benefits Outlook
Graphic provided by Climate Prediction Center

What is a Hurricane?

A hurricane (or typhoon, or severe tropical cyclone), the strongest storm on Earth, is a cyclonic (rotary) storm that derives its energy from cloud formation and rainfall, unlike frontal cyclones that derive their power from a temperature gradient. Full Article

Saffir-Simpson Scale

Category 1 – 74-95 mph (64-82 knots; 119-153 km/hr). Damage is limited to foliage, signage, unanchored boats and mobile homes. There is no significant damage to buildings. The main threat to life and property may be flooding from heavy rains.

Category 2 – 96-110 mph (83-95 knots; 154-177 km/hr). Roof damage to buildings. Doors and windows damaged. Mobile homes severely damaged. Piers damaged by storm surge. Some trees blown down, more extensive limb damage. Full Article

Tropical Cyclone Formation

Tropical Cyclone Genesis is the technical term for the process of storm formation that leads ultimately to what are called hurricanes, typhoons, or tropical cyclones in various parts of the world.

This occurs when, in the Northern Hemisphere, the Intertropical Convergence Zone, or ITCZ, shifts northward out of the doldrums and atmospheric conditions become favorable for tropical cyclone formation after about the middle of May. Full Article

NHC Forecast Track (Tropical Storm HERNAN)
Tropical Storm HERNAN Forecast Track (National Hurricane Center)
Tropical Storm HERNAN Storm-Centered Infrared
Tropical Storm HERNAN Storm-Centered Infrared (Aviation Color Enhancement)
Tropical Storm HERNAN Storm-Centered Visible

NHC Eastern Pacific Wallet 3 - Post-Tropical Cyclone HERNAN (EP082014)

Tue, 29 Jul 2014 14:39:37 GMT

Summary for Post-Tropical Cyclone HERNAN (EP3/EP082014)

...HERNAN DEGENERATES INTO A REMNANT LOW... ...THIS IS THE LAST ADVISORY... As of 8:00 AM PDT Tue Jul 29 the center of HERNAN was located near 23.5, -121.1 with movement WNW at 15 mph. The minimum central pressure was 1008 mb with maximum sustained winds of about 35 mph.

Post-Tropical Cyclone HERNAN Public Advisory Number 14

...HERNAN DEGENERATES INTO A REMNANT LOW... ...THIS IS THE LAST ADVISORY...
Location: 23.5°N 121.1°W
Max sustained: 35 mph
Moving: WNW at 15 mph
Min pressure: 1008 mb

Issued at 800 AM PDT TUE JUL 29 2014

Post-Tropical Cyclone HERNAN Forecast Advisory Number 14

Issued at 1500 UTC TUE JUL 29 2014

Post-Tropical Cyclone HERNAN Forecast Discussion Number 14

Issued at 800 AM PDT TUE JUL 29 2014

Post-Tropical Cyclone HERNAN Wind Speed Probabilities Number 14

Issued at 1500 UTC TUE JUL 29 2014

Post-Tropical Cyclone HERNAN Graphics

Post-Tropical Cyclone HERNAN 5-Day Uncertainty Track Image
5-Day Uncertainty Track last updated Tue, 29 Jul 2014 08:33:43 GMT

Post-Tropical Cyclone HERNAN 34-Knot Wind Speed Probabilities
Wind Speed Probabilities last updated Tue, 29 Jul 2014 14:38:42 GMT

Post-Tropical Cyclone HERNAN 5-Day Track, Uncertainty Cone, Warnings (.shp)

GIS Data last updated Tue, 29 Jul 2014 08:32:48 GMT

Post-Tropical Cyclone HERNAN Best Track Information (.shp)

GIS Data last updated Tue, 29 Jul 2014 14:37:44 GMT

Post-Tropical Cyclone HERNAN Best Track Information (.kmz)

GIS Data last updated Tue, 29 Jul 2014 14:37:46 GMT

Post-Tropical Cyclone HERNAN Forecast Information (.shp)

GIS Data last updated Tue, 29 Jul 2014 14:37:51 GMT

Post-Tropical Cyclone HERNAN Information by ATCF XML Prototype

Issued at Tue, 29 Jul 2014 14:38:07 GMT. This is only a prototype and the file format may change without notice.

SpaghettiTropical Storm HERNAN Spaghetti (UWM)

Satellite Imagery

Satellite Animations

Tropical Storm HALONG Forecast Graphic
Tropical Storm HALONG Forecast Track (Joint Typhoon Warning Center)
Tropical Storm HALONG Storm-Centered Infrared
Tropical Storm HALONG Storm-Centered Enhanced Infrared
Tropical Storm HALONG Storm-Centered Visible
Tropical Storm HALONG Warning Text (JTWC)
Tropical Storm HALONG Prognostic Reasoning (JTWC)
Tropical Storm HALONG JMV 3.0 Data (JTWC)

Radar

Satellite Imagery

Satellite Animations