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HRD Monthly Science Meeting of December 2014

December’s Science meeting had 2 presentations:

  1. Paul Reasor:  The Radar Re-analysis Project: Overview and Status
  2. Joe Cione: The relative roles of the ocean and atmosphere as revealed by buoy air-sea observations in hurricanes…
  3. 59 more words
HFIP-Hurricane Forecast Improvement Project

HRD seminar – Amitabh Nag and Ryan Said, Vaisala, Boulder, CO– 8 December 2014

Dr. Nag presented a seminar on “Performance Characteristics of Lightning Locating Systems with Focus on U.S. NLDN”.

ABSTRACT:

Ground-based or satellite-based lightning locating systems are the most common way to geolocate lightning. 315 more words

HFIP-Hurricane Forecast Improvement Project

Paper on the rapid intensification of Hurricane Earl released online in Monthly Weather Review

Hurricanes sometimes change intensity very quickly, and if this happens when they approach land, it can suddenly cause a lot of damage or kill many people. 175 more words

HFIP-Hurricane Forecast Improvement Project

Paper on corrected surface wind-speed measurements from reconnaissance published in the Journal of Atmospheric and Oceanic Technology

The Stepped-Frequency Microwave Radiometer (SFMR) measures surface wind speed and rainfall from aircraft.  Using a large database of surface wind-speed measurements from the SFMR and dropwindsondes, the SFMR wind speeds are shown to be too high at low wind speeds and in heavy rain. 50 more words

HFIP-Hurricane Forecast Improvement Project

Paper on using aircraft data in hurricane models to improve forecasts released online in Monthly Weather Review

NOAA and U. S. Air Force aircraft have been gathering wind, temperature, humidity and pressure information inside hurricanes for more than 30 years. The NOAA aircraft have been fitted with Doppler radars that can see the entire hurricane’s rain and wind from near the ground to the top of the clouds. 166 more words

HFIP-Hurricane Forecast Improvement Project