HRD Debrief for missions into Tropical Storm Gordon and Hurricane Isaac – 17 October 2018

HRD researchers discussed the results from the 3 P-3 missions into Tropical Storm Gordon, AL07 (3-4 September 2018) . The agenda for the discussion was: Agenda: Missions Overview (Jon Zawislak) Deployment Overview (Jon Zawislak) 180903H1 (Robert Rogers) 180904H1 (Ghassan Alaka) 180904H2 (Hui Christophersen) HRD researchers also discussed the results from the 5 P-3 missions into … Continue reading HRD Debrief for missions into Tropical Storm Gordon and Hurricane Isaac – 17 October 2018

Paper on measuring surface wind speed from hurricane hunter aircraft when it turns and rolls released online in the Journal of Atmospheric and Oceanic Technology

Summary: The Stepped-Frequency Microwave Radiometer (SFMR) is an instrument flown on the NOAA and Air Force Hurricane Hunter aircraft that measures surface wind speed and how much rain is falling over the ocean in tropical cyclones.  Historically, the SFMR measurements have only been used when the aircraft is not turning or going up or down … Continue reading Paper on measuring surface wind speed from hurricane hunter aircraft when it turns and rolls released online in the Journal of Atmospheric and Oceanic Technology

30th Anniversary of Hurricane Gilbert

On September 16, 1988, Hurricane Gilbert made landfall at the Mexican city of La Pesca,Tamaulipas, with winds of 125 mph (200 km/hr).  It had already brought destruction upon the Yucatan peninsula and the Caribbean islands.  Along the way it set a new low-pressure record that would stand for 17 years. Gilbert was a classic Cape … Continue reading 30th Anniversary of Hurricane Gilbert

HRD Seminar – Kyle Ahern, Florida State University – 4 September 2018

Mr. Ahern presented a seminar titled “Observed and Simulated Boundary Layer Structures in the Hurricane Inner-core During Intensity Change”. ABSTRACT: GPS dropwindsonde data from Atlantic basin aircraft reconnaissance missions (Hock and Franklin 1999) between 1998 and 2015 are gathered to construct composites of the hurricane inner-core boundary layer during modes of intensity change. Sounding information … Continue reading HRD Seminar – Kyle Ahern, Florida State University – 4 September 2018

NOAA P-3 on its way for research mission into Hurricane Florence

After two successful research missions on Saturday and Sunday, the crew of the NOAA P-3, which includes AOML/HRD scientists, are on their way inbound to Hurricane Florence to accomplish objectives related to the Hurricane Field Program - Intensity Forecast Experiment's, "Mature Stage Experiment." The goal is to collect observations from the Tail Doppler radar, dropsondes, … Continue reading NOAA P-3 on its way for research mission into Hurricane Florence

HRD Debrief for missions into Hurricane Lane – 30 August 2018

HRD researchers discussed the results from the 4 G-IV and 4 P-3 missions into Central Pacific Hurricane Lane (19-23 August 2018) representing the first NOAA P-3 mission to fly a Central Pacific storm. The agenda for the discussion was: Agenda: Storm Overview (Jon Zawislak) Missions Overview (Jon Zawislak) Deployment Overview (Jon Zawislak) CPHC Feedback (Tom Birchard, … Continue reading HRD Debrief for missions into Hurricane Lane – 30 August 2018

Hurricane Field Program Update – Wednesday, August 22, 2018, 4 PM ET

NOAA42: The final P-3 mission into Hurricane Lane in the Central Pacific landed around 11:30 PM HST last night. The airplane is returning to the mainland today. NOAA49: The final G-IV synoptic surveillance mission took off from Honolulu at 7:30 AM HST this morning, and will be returning to the mainland tomorrow.  No further missions … Continue reading Hurricane Field Program Update – Wednesday, August 22, 2018, 4 PM ET

HRD observation team monthly meeting – 16 August 2018

The purpose of the observation team meetings is to bring together the people who use observations in their research on a regular basis to discuss issues they’re having, provide updates on observations they’re analyzing or collecting, and any other information that may be of interest to the broader group.  These meetings are also an excellent … Continue reading HRD observation team monthly meeting – 16 August 2018

HRD Debrief for missions into Tropical Storm Chris – 19 July 2018

HRD researchers discussed the results from the 4 P-3 missions into AL03 Tropical Storm Chris (8-9 July 2018). The agenda for the discussion was: Missions Overview (Jon Zawislak) Mission Summaries 20180708H1 TDR (Kelly Ryan) 20180708H2 TDR (Hui Christophersen) 20180709H1 TDR (Kelly Ryan) 20180709H2 TDR (Gus Alaka) Discussion Slides from the debrief are available at: ftp://ftp.aoml.noaa.gov/pub/hrd/blog/meetings/2018/HFP/2018HFP_Chris_Debrief.pptx