On the Use of QuikSCAT Scatterometer Measurements of Surface Winds for Marine Weather Prediction

Chelton, Dudley B.; Freilich, Michael H.; Sienkiewicz, Joseph M.; Von Ahn, Joan M.
August 2006
Monthly Weather Review;Aug2006, Vol. 134 Issue 8, p2055
Academic Journal
The value of Quick Scatterometer (QuikSCAT) measurements of 10-m ocean vector winds for marine weather prediction is investigated from two Northern Hemisphere case studies. The first of these focuses on an intense cyclone with hurricane-force winds that occurred over the extratropical western North Pacific on 10 January 2005. The second is a 17 February 2005 example that is typical of sea surface temperature influence on low-level winds in moderate wind conditions in the vicinity of the Gulf Stream in the western North Atlantic. In both cases, the analyses of 10-m winds from the NCEP and ECMWF global numerical weather prediction models considerably underestimated the spatial variability of the wind field on scales smaller than 1000 km compared with the structure determined from QuikSCAT observations. The NCEP and ECMWF models both assimilate QuikSCAT observations. While the accuracies of the 10-m wind analyses from these models measurably improved after implementation of the QuikSCAT data assimilation, the information content in the QuikSCAT data is underutilized by the numerical models. QuikSCAT data are available in near–real time in the NOAA/NCEP Advanced Weather Interactive Processing System (N-AWIPS) and are used extensively in manual analyses of surface winds. The high resolution of the QuikSCAT data is routinely utilized by forecasters at the NOAA/NCEP Ocean Prediction Center, Tropical Prediction Center, and other NOAA weather forecast offices to improve the accuracies of wind warnings in marine forecasts.


Related Articles

  • Understanding marine weather forecasts. Poveromo, George // Salt Water Sportsman;July97, Vol. 58 Issue 7, p24 

    Discusses various aspects of marine weather forecasts. Importance of marine forecasts to ensure safety of boaters; Misinterpretation of wind speed by forecasters; Determination of wave height; Ways to decipher wind speed. INSET: Weather forecasting terms..

  • The weather report. Preble, Dave // Salt Water Sportsman;Jul95, Vol. 56 Issue 7, p52 

    Features marine weather forecasting in the United States. Importance of weather forecasts for fishermen; Innovations on forecasting gadgets; Interpretation of data. INSETS: How weather is predicted.;New handheld lightning detector.;Weather terminology..

  • CHAPTER 14: THE LANGUAGE OF FORECASTS.  // 50 Ways to Improve Your Weather Forecasting;2007, p28 

    A glossary of terms related to marine weather forecasting is presented.

  • CHAPTER 16: FINE-TUNING FACTORS.  // 50 Ways to Improve Your Weather Forecasting;2007, p32 

    Chapter 16 of the book "50 Ways to Improve Your Weather Forecasting" is presented. It presents tips on how to fine-tune a general weather forecast for a big sea area into a specific location. Timing and position are the two factors to be considered when fine-tuning a general weather forecast....

  • Two-Way Air–Sea Coupling: A Study of the Adriatic. Pullen, Julie; Doyle, James D.; Signell, Richard P. // Monthly Weather Review;May2006, Vol. 134 Issue 5, p1465 

    High-resolution numerical simulations of the Adriatic Sea using the Navy Coastal Ocean Model (NCOM) and Coupled Ocean–Atmosphere Mesoscale Prediction System (COAMPS) were conducted to examine the impact of the coupling strategy (one versus two way) on the ocean and atmosphere model skill,...

  • CHAPTER 5: QUESTIONING THE FORECASTS.  // 50 Ways to Improve Your Weather Forecasting;2007, p13 

    Chapter 5 of the book "50 Ways to Improve Your Weather Forecasting" is presented. It presents tips on how sailors can question the accuracy of the weather forecasts. When the weather forecaster provides a vague forecast, the sailors could clarify the forecast by knowing their position within the...

  • CHAPTER 11: THE MEANING OF 'LATER.'.  // 50 Ways to Improve Your Weather Forecasting;2007, p24 

    Chapter 11 of the book "50 Ways to Improve Your Weather Forecasting" is presented. It explains the meaning of the word "later" in weather forecasts. If a sea forecast covers the next 24 hours, "later" would mean an event that will occur during the second 12 hours of the forecast. Because weather...

  • SEASONAL TRANSITION OF EAST ASIAN SUBTROPICAL MONSOON AND ITS POSSIBLE MECHANISM. Zhu Zhi-Wei; He Jin-Hai; Qi Li // Journal of Tropical Meteorology;Sep2012, Vol. 18 Issue 3, p305 

    The NCEP/NCAR reanalysis datasets and Climate Prediction Center (CPC) Merged Analysis of Precipitation (CMAP) rain data are used to investigate the large scale seasonal transition of East Asian subtropical monsoon (EASM) and its possible mechanism. The key region of EASM is defined according to...

  • Improved near real time surface wind resolution over the Mediterranean Sea. Bentamy, A.; Ayina, H.-L.; Queffeulou, P.; Croize-Fillon, D. // Ocean Science Discussions;2006, Vol. 3 Issue 3, p435 

    Several scientific programs, including the Mediterranean Forecasting System Toward Environmental Predictions (MFSTEP project), request high space and time resolutions of surface wind speed and direction. The purpose of this paper is to focus on surface wind improvements over the global...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics