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Weather Snapshot: Typhoon Nakri May 28, 2008
May 28 2008 3:59AM UTC [370.7kb image]

Typhoon Nakri

These infrared, microwave, and visible images were created with data retrieved by the Atmospheric Infrared Sounder (AIRS) on NASA's Aqua satellite.

Summary from http://tropicalcyclones.blogspot.com/:
Nakri is slowly moving north in the open ocean, and will intensify to 100 knots. Transitioning to extra-tropical status will occur in about 4 days.

Infrared Images
Because infrared radiation does not penetrate through clouds, AIRS infrared images show either the temperature of the cloud tops or the surface of the Earth in cloud-free regions. The lowest temperatures (in purple) are associated with high, cold cloud tops that make up the top of the storm. In cloud-free areas the AIRS instrument will receive the infrared radiation from the surface of the Earth, resulting in the warmest temperatures (orange/red).

Microwave Images
In the AIRS microwave imagery, deep blue areas in storms show where the most precipitation occurs, or where ice crystals are present in the convective cloud tops. Outside of these storm regions, deep blue areas may also occur over the sea surface due to its low radiation emissivity. On the other hand, land appears much warmer due to its high radiation emissivity.

Quick Stats

NORTHWESTERN PACIFIC OCEAN

Position
16.0N 136.4E

Location
590 miles SSW of Iwo To, Japan

Movement
WNW at 3 knots

Maximum sustained winds
80 knots

Maximum gusts
100 knots

Threatened landmasses
NONE

Tropical storm force winds extend for 60 to 70 miles from the centre

Typhoon strength winds extend for 15 miles from the centre

Maximum significant wave height is 23 feet

Related Links

NASA Hurricane Portal

National Hurricane Center

Unisys Hurricane/Typhoon

Tropical Cyclone Advisory Summary

Tropical Storm Risk

Hurricane Forecasts

NRL Tropical Cyclone Page

Upper Ocean Heat Content & Tropical Cyclone Heat Potential

Storm Banner

Japan Meteorological Agency

Jet Stream Map