Tropical Storm 20W
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Passive Microwave (PMW) Intensity Information Hurricane Intensity Estimation (HIE) Algorithm Version 9.0 |
Overpass Inten Ring Ring Wind Forecast Final Target
Date Time Score Meaning Pct Diam BTdiff Est Sat Lat Lon Lat Lon Lat Lon
20210922 152146 -930.0 N/A N/A N/A 0.00 25.0 AMSR2 11.6 -148.0 11.6 -148.0 11.9 -147.2 Analysis Plot
20210922 195052 -930.0 N/A N/A N/A 0.00 30.0 SSMI18 11.9 -147.3 11.9 -147.3 12.3 -146.3 Analysis Plot
20210922 201118 -930.0 N/A N/A N/A 0.00 30.0 SSMI16 11.9 -147.3 11.9 -147.3 12.3 -146.2 Analysis Plot
20210922 214653 -1.6 N/A N/A 177.76 1.63 30.0 SSMI17 12.1 -147.0 12.1 -147.0 11.8 -147.3 Analysis Plot
20210923 034853 -930.0 N/A N/A N/A 0.00 30.0 AMSR2 12.6 -145.4 12.6 -145.4 12.8 -145.1 Analysis Plot
20210923 073509 -930.0 N/A N/A N/A 0.00 30.0 SSMI18 13.0 -145.4 13.0 -145.4 13.4 -145.4 Analysis Plot
20210923 160319 N/A N/A N/A N/A N/A 40.0 AMSR2 14.1 -142.0 14.1 -142.0 13.9 -142.3 Analysis Plot
20210923 193904 -1.7 N/A N/A 44.44 1.68 40.0 SSMI18 14.3 -141.6 14.3 -141.6 14.6 -141.9 Analysis Plot
20210923 195816 -1.7 N/A N/A 55.55 1.70 40.0 SSMI16 14.3 -141.5 14.3 -141.5 14.4 -141.9 Analysis Plot
20210924 164553 N/A N/A N/A N/A N/A 55.0 AMSR2 16.6 -138.6 16.6 -138.6 16.9 -138.3 Analysis Plot
20210924 225152 5.1 N/A 64.4% 33.33 5.09 60.0 SSMI17 17.1 -138.1 16.9 -138.3 16.9 -138.3 Analysis Plot
20210925 033942 -930.0 N/A N/A N/A 0.00 70.0 AMSR2 17.1 -138.1 17.1 -138.1 16.8 -138.3 Analysis Plot
20210925 075706 4.8 N/A 71.2% 33.33 4.78 70.0 SSMI16 17.3 -137.9 17.5 -137.7 17.5 -137.7 Analysis Plot
20210925 092542 10.4 N/A 65.8% 33.33 10.41 90.0 SSMI18 17.8 -137.5 17.5 -137.7 17.5 -137.7 Analysis Plot
20210925 211302 83.5 >85 kts 100.0% 55.55 68.45 105.0 SSMI16 18.7 -136.9 18.7 -137.0 18.7 -137.0 Analysis Plot
20210925 223829 92.6 >85 kts 100.0% 44.44 77.59 105.0 SSMI17 18.8 -136.9 18.6 -136.9 18.6 -136.9 Analysis Plot
20210926 023923 104.5 >85 kts 100.0% 44.44 89.48 140.0 GMI 18.7 -136.8 18.7 -136.8 18.7 -136.8 Analysis Plot
20210926 042133 102.6 >85 kts 100.0% 44.44 87.64 140.0 AMSR2 18.7 -136.8 18.7 -136.7 18.7 -136.7 Analysis Plot
20210926 092252 75.2 >85 kts 100.0% 33.33 60.23 145.0 SSMI16 18.9 -136.6 18.7 -136.7 18.7 -136.7 Analysis Plot
20210926 163245 19.1 N/A 20.5% 44.44 19.13 130.0 AMSR2 19.2 -136.6 19.3 -136.8 19.3 -136.8 Analysis Plot
20210926 204028 18.8 N/A 38.4% 133.32 18.84 110.0 SSMI18 19.5 -136.6 19.5 -136.6 19.5 -136.6 Analysis Plot
20210926 210124 15.2 N/A 42.5% 133.32 15.18 110.0 SSMI16 19.5 -136.6 19.6 -136.7 19.6 -136.7 Analysis Plot
20210926 222512 7.6 N/A 37.0% 177.76 7.58 110.0 SSMI17 19.5 -136.6 19.6 -136.6 19.6 -136.6 Analysis Plot
20210927 085925 15.7 N/A 28.8% 133.32 15.75 95.0 SSMI16 20.0 -136.5 19.8 -136.5 19.8 -136.5 Analysis Plot
20210927 202743 14.2 N/A 39.7% 144.43 14.17 90.0 SSMI18 20.6 -136.3 20.6 -136.3 20.6 -136.3 Analysis Plot
20210927 204816 12.7 N/A 34.2% 144.43 12.71 90.0 SSMI16 20.6 -136.2 20.6 -136.4 20.6 -136.4 Analysis Plot
20210928 041002 17.1 N/A 53.4% 155.54 17.10 95.0 AMSR2 21.3 -136.1 21.4 -136.0 21.4 -136.0 Analysis Plot
20210928 070521 21.0 >65 kts 42.5% 144.43 21.02 95.0 SSMI16 21.4 -136.0 21.6 -135.7 21.6 -135.7 Analysis Plot
20210928 083757 42.1 >65 kts 100.0% 166.65 27.06 95.0 SSMI18 21.9 -135.7 21.7 -135.7 21.7 -135.7 Analysis Plot
20210928 162023 75.6 >85 kts 100.0% 133.32 60.59 100.0 AMSR2 22.5 -135.3 22.4 -135.6 22.4 -135.6 Analysis Plot
20210928 203449 26.5 >65 kts 72.6% 133.32 26.51 100.0 SSMI16 22.8 -135.2 22.9 -135.6 22.9 -135.6 Analysis Plot
20210929 170154 6.8 N/A 17.8% 177.76 6.78 115.0 AMSR2 25.8 -135.8 26.1 -135.7 26.1 -135.7 Analysis Plot
20210929 232614 -930.0 N/A N/A N/A 0.00 110.0 SSMI17 26.6 -136.4 26.5 -136.2 26.5 -136.2 Analysis Plot
20210930 114550 -930.0 N/A N/A N/A 0.00 100.0 SSMI17 28.6 -137.8 28.6 -137.8 28.8 -137.8 Analysis Plot
20210930 160610 5.8 N/A 39.7% 111.10 5.81 80.0 AMSR2 30.1 -139.2 30.0 -138.9 30.0 -138.9 Analysis Plot
20211001 062606 2.2 N/A 13.7% 233.31 2.20 80.0 SSMI16 33.6 -142.6 33.6 -142.6 33.3 -142.7 Analysis Plot
20211001 073501 1.4 N/A 8.2% 166.65 1.37 80.0 SSMI18 33.8 -142.9 33.8 -142.9 33.3 -142.7 Analysis Plot
20211001 164648 -930.0 N/A N/A N/A 0.00 65.0 AMSR2 37.5 -146.1 37.5 -146.1 36.9 -146.1 Analysis Plot
20211001 193747 1.4 N/A N/A 233.31 1.37 65.0 SSMI18 38.0 -146.6 38.0 -146.6 37.4 -146.6 Analysis Plot
20211001 195555 -930.0 N/A N/A N/A 0.00 65.0 SSMI16 38.1 -146.7 38.1 -146.7 37.0 -147.0 Analysis Plot
20211001 225926 -930.0 N/A N/A N/A 0.00 55.0 SSMI17 38.8 -147.1 38.8 -147.1 38.7 -147.5 Analysis Plot
20211002 061302 2.5 N/A N/A 77.77 2.50 55.0 SSMI16 41.4 -149.7 41.4 -149.7 41.6 -150.6 Analysis Plot
20211002 074619 2.0 N/A N/A 66.66 2.02 55.0 SSMI17 41.9 -150.2 41.9 -150.2 42.2 -151.4 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. |
