Tropical Storm 20W
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Passive Microwave (PMW) Intensity Information Advanced Dvorak Technique (ADT) Version 8.2.1 |
Overpass Inten Ring Ring Wind Forecast Final Target
Date Time Score Meaning Pct Diam BTdiff Est Sat Lat Lon Lat Lon Lat Lon
20170908 203100 -23.3 N/A 100.0% 22.22 8.28 20.0 SSMI17 13.5 -146.2 13.5 -146.2 13.5 -146.4 Analysis Plot
20170908 211500 -930.0 N/A N/A N/A 0.00 20.0 SSMI18 13.5 -145.9 13.5 -145.9 14.7 -146.2 Analysis Plot
20170909 083100 -1.2 N/A 19.2% 111.10 1.21 30.0 SSMI16 14.9 -143.4 14.9 -143.4 15.2 -143.9 Analysis Plot
20170909 192200 -930.0 N/A N/A N/A 0.00 35.0 SSMI16 15.6 -141.4 15.6 -141.4 16.2 -141.5 Analysis Plot
20170909 210100 -930.0 N/A N/A N/A 0.00 40.0 SSMI18 15.9 -140.5 15.9 -140.5 16.4 -140.2 Analysis Plot
20170910 040123 -930.0 N/A N/A N/A 0.00 40.0 AMSR2 16.4 -139.5 16.4 -139.5 17.0 -139.6 Analysis Plot
20170910 071752 -930.0 N/A N/A N/A 0.00 40.0 SSMI15 16.5 -139.2 16.5 -139.2 16.9 -139.0 Analysis Plot
20170910 081700 -930.0 N/A N/A N/A 0.00 40.0 SSMI16 16.2 -139.0 16.2 -139.0 17.1 -139.5 Analysis Plot
20170910 091000 -6.8 N/A 23.5% 299.97 6.83 40.0 SSMI17 16.6 -138.3 16.6 -138.3 17.0 -138.6 Analysis Plot
20170910 150254 -0.0 N/A N/A N/A 0.00 40.0 GMI 17.1 -137.5 17.1 -137.5 16.9 -137.8 Analysis Plot
20170910 161413 -930.0 N/A N/A N/A 0.00 40.0 AMSR2 17.3 -137.2 17.3 -137.2 17.7 -136.6 Analysis Plot
20170910 195400 -0.0 N/A N/A N/A 0.00 45.0 SSMI16 17.4 -137.1 17.4 -137.1 17.4 -137.5 Analysis Plot
20170910 214400 -930.0 N/A N/A N/A 0.00 45.0 SSMI17 17.8 -136.3 17.8 -136.3 17.4 -135.5 Analysis Plot
20170911 022756 7.6 N/A 6.8% 144.43 7.62 55.0 GMI 18.4 -135.5 18.4 -135.5 19.0 -134.8 Analysis Plot
20170911 063626 12.8 N/A 26.0% 122.21 12.82 55.0 SSMI15 18.6 -135.0 18.6 -135.0 18.7 -134.9 Analysis Plot
20170911 085800 15.9 N/A 84.9% 77.77 15.94 60.0 SSMI17 19.3 -133.7 19.3 -133.7 19.2 -134.5 Analysis Plot
20170911 094400 11.0 N/A 76.7% 22.22 10.97 60.0 SSMI18 19.4 -133.5 19.4 -133.5 19.4 -133.9 Analysis Plot
20170911 154603 12.2 N/A 20.6% 77.77 12.20 60.0 GMI 19.8 -132.7 19.8 -132.7 20.3 -132.3 Analysis Plot
20170911 182949 18.6 N/A 15.1% 155.54 18.62 60.0 SSMI15 20.1 -132.1 20.4 -132.0 20.4 -132.0 Analysis Plot
20170911 213100 9.2 N/A 28.8% 88.88 9.24 60.0 SSMI17 21.1 -130.6 21.0 -131.5 21.0 -131.5 Analysis Plot
20170911 221700 16.0 N/A 50.7% 155.54 15.96 60.0 SSMI18 21.2 -130.4 20.9 -131.1 20.9 -131.1 Analysis Plot
20170912 093200 7.5 N/A 76.7% 133.32 7.52 65.0 SSMI18 22.9 -127.8 22.7 -128.3 22.7 -128.3 Analysis Plot
20170912 210700 7.1 N/A 50.7% 111.10 7.08 70.0 SSMI16 24.0 -126.6 24.0 -126.9 24.0 -126.9 Analysis Plot
20170912 220300 39.0 >65 kts 100.0% 133.32 23.99 70.0 SSMI18 24.2 -126.2 24.1 -126.6 24.1 -126.6 Analysis Plot
20170913 021601 18.8 N/A 47.9% 111.10 18.76 75.0 GMI 24.6 -126.1 24.7 -126.1 24.7 -126.1 Analysis Plot
20170913 043504 54.8 >65 kts 100.0% 122.21 39.84 75.0 AMSR2 24.8 -125.9 24.7 -125.8 24.7 -125.8 Analysis Plot
20170913 153639 -930.0 N/A N/A N/A 0.00 90.0 GMI 25.9 -125.1 25.9 -125.1 25.7 -125.1 Analysis Plot
20170913 200152 62.4 >85 kts 100.0% 122.21 47.44 105.0 SSMI15 26.1 -124.8 26.1 -125.0 26.1 -125.0 Analysis Plot
20170913 210500 43.5 >65 kts 100.0% 111.10 28.51 105.0 SSMI16 26.1 -124.8 26.4 -124.8 26.4 -124.8 Analysis Plot
20170913 224300 76.3 >85 kts 100.0% 111.10 61.33 105.0 SSMI17 26.5 -124.8 26.5 -124.6 26.5 -124.6 Analysis Plot
20170914 012337 -930.0 N/A N/A N/A 0.00 105.0 GMI 26.7 -124.7 26.7 -124.7 26.8 -124.6 Analysis Plot
20170914 080108 63.9 >85 kts 100.0% 111.10 48.94 115.0 SSMI15 27.0 -124.4 27.1 -124.4 27.1 -124.4 Analysis Plot
20170914 100100 46.0 >65 kts 100.0% 111.10 31.02 120.0 SSMI17 27.4 -124.3 27.2 -124.4 27.2 -124.4 Analysis Plot
20170914 191708 1.6 N/A 12.3% 122.21 1.63 95.0 SSMI15 27.8 -124.4 27.7 -124.4 27.7 -124.4 Analysis Plot
20170914 204300 17.3 N/A 17.8% 177.76 17.29 95.0 SSMI16 27.8 -124.4 27.7 -124.6 27.7 -124.6 Analysis Plot
20170914 222900 5.2 N/A 11.0% 199.98 5.17 95.0 SSMI17 28.0 -124.6 27.5 -124.7 27.5 -124.7 Analysis Plot
20170915 042434 -930.0 N/A N/A N/A 0.00 80.0 AMSR2 28.1 -124.6 28.1 -124.6 27.8 -125.4 Analysis Plot
20170915 074558 1.6 N/A 9.6% 177.76 1.56 80.0 SSMI15 28.2 -124.7 28.2 -124.7 28.0 -125.4 Analysis Plot
20170915 094800 4.9 N/A 12.3% 233.31 4.92 80.0 SSMI17 28.2 -125.4 28.2 -125.4 28.0 -125.6 Analysis Plot
20170915 190225 -930.0 N/A N/A N/A 0.00 70.0 SSMI15 28.5 -125.3 28.5 -125.3 28.2 -126.0 Analysis Plot
20170915 221600 2.8 N/A 12.3% 333.30 2.79 70.0 SSMI17 28.7 -125.6 28.7 -125.6 28.5 -126.3 Analysis Plot
20170916 011327 -930.0 N/A N/A N/A 0.00 70.0 GMI 28.8 -125.9 28.7 -126.7 28.7 -126.7 Analysis Plot
20170916 084000 2.4 N/A 20.5% 255.53 2.44 55.0 SSMI16 29.0 -126.8 29.0 -126.8 28.7 -127.2 Analysis Plot
20170916 143639 -930.0 N/A N/A N/A 0.00 55.0 GMI 29.9 -128.3 29.9 -128.3 29.6 -128.4 Analysis Plot
20170917 002102 3.0 N/A 12.5% 199.98 3.00 55.0 GMI 31.6 -130.2 31.6 -130.2 30.8 -130.3 Analysis Plot
20170917 041213 4.0 N/A 23.3% 199.98 3.97 55.0 AMSR2 32.2 -130.9 32.2 -130.9 31.8 -131.6 Analysis Plot
20170917 083400 -930.0 N/A N/A N/A 0.00 55.0 SSMI18 33.6 -133.2 33.6 -133.2 33.1 -134.4 Analysis Plot
20170917 092300 -930.0 N/A N/A N/A 0.00 55.0 SSMI17 34.0 -133.6 34.0 -133.6 33.5 -134.9 Analysis Plot
20170917 134719 -930.0 N/A N/A N/A 0.00 55.0 GMI 35.0 -135.1 35.0 -135.1 34.5 -135.5 Analysis Plot
20170917 181108 5.0 N/A N/A 77.77 5.05 55.0 SSMI15 37.8 -138.3 37.8 -138.3 37.3 -137.5 Analysis Plot
20170917 200400 3.5 N/A N/A 111.10 3.48 55.0 SSMI16 37.9 -138.4 37.9 -138.4 38.4 -138.1 Analysis Plot
20170917 205700 0.4 N/A 4.6% 277.75 .45 55.0 SSMI18 39.3 -139.4 39.3 -139.4 39.4 -139.2 Analysis Plot
20170917 214600 -930.0 N/A N/A N/A 0.00 55.0 SSMI17 39.6 -139.7 39.6 -139.7 38.8 -139.8 Analysis Plot
20170918 031929 3.9 N/A N/A 188.87 3.85 55.0 AMSR2 42.9 -141.8 42.9 -141.8 43.0 -142.7 Analysis Plot
20170918 143428 -930.0 N/A N/A N/A 0.00 55.0 GMI 48.1 -145.3 48.1 -145.3 47.5 -144.2 Analysis Plot
20170918 205952 -930.0 N/A N/A N/A 0.00 55.0 GMI 50.4 -146.9 50.4 -146.9 49.3 -146.1 Analysis Plot
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Legend: - Date/Time are determined from PMW imagery at Forecast (initial guess) Lat/Lon position. - Positive/Negative Latitude = North/South Hemisphere; Longitude = Western/Eastern Hemisphere. - "Ring Diam" value indicates the estimated surface eyewall diameter in km (the MI eyewall edge diameter minus 10 km). - "Ring Pct" is the percentage of the "ring" (eyewall inner boundary) that is 1) colder than the "hot spot" (warmest eye pixel) in the eye by 20K, or 2) the percentage that is a) colder than 232K and b) colder than the "hot spot" by 10K, whichever is greater. - Values are red if Ring % <= 65, yellow/brown if Ring % <= 85 and green if Ring % > 85. - "Tb diff" is the difference between the "hot spot" (warmest eye pixel) and the warmest pixel on the eyewall. - Intensity score are listed as negative, and not used, when the JTWC or NHC estimated Vmax is <55 kts in order to rule out weak but highly symmetric TCs. - Error messages in intensity scores: -920 is used when the hottest pixel in the eye is <200K, to prevent false positives; -930 means <85% of eyewall has observations/data. |
