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HURRICANE OBSERVATIONS. Dr. Richard M. Yablonsky (URI/GSO) HSS Teacher’s Institute Presentation URI Coastal Institute, Narragansett, RI Tuesday, 27 July 2010 at 10:00 AM. Hurricane Forecasting. Numerical Modeling. Dissemination. Data Acquisition And Processing. Warnings Operations.

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hurricane observations

HURRICANE OBSERVATIONS

Dr. Richard M. Yablonsky (URI/GSO)

HSS Teacher’s Institute Presentation

URI Coastal Institute, Narragansett, RI

Tuesday, 27 July 2010 at 10:00 AM

hurricane forecasting
Hurricane Forecasting

Numerical

Modeling

Dissemination

Data Acquisition

And Processing

Warnings

Operations

Response

observational tools
Before we can predict what a storm will do in the future, we need to know what the storm, the atmosphere, and the ocean look like right now!

Radiosondes: Instruments attached to weather balloons that transmit temperature, humidity, & wind data back to the ground. These balloons are launched globally twice a day.

Aircraft:Commercial aircraft regularly report weather data. NOAA “Hurricane Hunter” aircraft penetrate hurricanes to gather valuable data on the storm.

Satellites:Gather data on clouds, water vapor, and land & sea surface temperatures.

Observational Tools

Surface:Thousands of weather stations across the globe report weather conditions every hour.

View from a Hurricane Hunter aircraft inside the eye of category 5 Hurricane Isabel

Two NOAA P3 “Hurricane Hunter” aircraft

Weather satellite

slide5
Hurricane Ivan on September 9, 2004

A thunderstorm in one

of Ivan’s spiral bands

~ 250 miles

Image courtesy of NOAA/

slide10
Hurricane Frances (2004)

Image courtesy of CIMMS / Univ of Wisconsin

slide16
Ocean’s Role in Hurricane Intensity

Satellite Infrared Image of Sea Surface Temperature Hurricane Gert (1999)

dropwindsonde instrument
Dropwindsonde Instrument

“Pringles cans with microprocessors and parachutes”

noaa buoy 42003 in katrina 2005
NOAA Buoy 42003 in Katrina (2005)

Dominant Wave Period

meters

seconds

Significant Wave Height

charley 2004 doppler radar reflectivity and radial velocity
Charley (2004): Doppler Radar Reflectivity and Radial Velocity
  • http://atoc.colorado.edu/~cassano/weather/charley/radar/tbw_ref/radar.html
  • http://atoc.colorado.edu/~cassano/weather/charley/radar/tbw_vel/radar.html
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