Tropical Depression 22W
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Passive Microwave (PMW) Intensity Information Advanced Dvorak Technique Version 9.1 |
--Overpass-- --ARCHER-- Ring Ring Eye BT -Forecast-
Date Time Sat Lat Lon Diam Pct TbDiff Score Meaning Vmax Lat Lon
20241020 163422 AMSR2 14.9 134.5 112 4% 0.75 -0.75 N/A 25.0 14.9 134.7 Analysis Plot
20241020 191843 SSMISF18 13.6 134.1 N/A N/A N/A N/A N/A 25.0 14.3 133.5 Analysis Plot
20241020 215251 SSMISF17 12.8 133.7 N/A N/A N/A N/A N/A 25.0 14.2 132.9 Analysis Plot
20241021 011501 GMI 12.8 132.4 12 N/A 0.79 -0.79 N/A 30.0 14.1 132.4 Analysis Plot
20241021 050427 AMSR2 13.8 131.2 57 N/A 2.39 -2.39 N/A 30.0 13.9 131.2 Analysis Plot
20241021 063037 SSMISF18 13.6 131.6 N/A N/A N/A N/A N/A 30.0 13.9 131.1 Analysis Plot
20241021 171755 AMSR2 13.0 128.1 23 39% 8.06 -8.06 N/A 30.0 13.3 128.1 Analysis Plot
20241021 190615 SSMISF18 13.0 128.1 N/A N/A N/A N/A N/A 30.0 13.4 128.0 Analysis Plot
20241021 213857 SSMISF17 13.4 128.1 N/A N/A N/A N/A N/A 35.0 13.4 127.7 Analysis Plot
20241022 120300 GMI 14.5 126.4 N/A N/A N/A N/A N/A 35.0 14.6 125.8 Analysis Plot
20241023 012356 GMI 16.5 123.7 N/A N/A N/A N/A N/A 45.0 15.9 124.1 Analysis Plot
20241023 074353 SSMISF18 17.3 122.9 N/A N/A N/A N/A N/A 45.0 16.3 123.0 Analysis Plot
20241023 100505 SSMISF16 17.6 122.9 N/A N/A N/A N/A N/A 45.0 16.4 122.6 Analysis Plot
20241023 101736 SSMISF17 17.7 122.9 N/A N/A N/A N/A N/A 45.0 16.4 122.5 Analysis Plot
20241023 170615 AMSR2 16.9 121.8 N/A N/A N/A N/A N/A 45.0 17.4 121.8 Analysis Plot
20241023 201826 SSMISF18 16.6 121.8 23 100% 20.05 -35.05 N/A 45.0 17.4 121.7 Analysis Plot
20241023 223943 SSMISF16 16.9 121.5 46 100% 20.08 -35.08 N/A 45.0 17.4 121.4 Analysis Plot
20241024 053551 AMSR2 17.1 121.2 N/A N/A N/A N/A N/A 45.0 17.0 120.5 Analysis Plot
20241024 073036 SSMISF18 17.5 121.2 N/A N/A N/A N/A N/A 45.0 17.0 120.4 Analysis Plot
20241024 100316 SSMISF17 17.9 120.6 N/A N/A N/A N/A N/A 40.0 17.5 119.4 Analysis Plot
20241024 121140 GMI 17.4 119.9 N/A N/A N/A N/A N/A 40.0 17.6 119.3 Analysis Plot
20241024 174800 AMSR2 17.3 119.3 N/A N/A N/A N/A N/A 45.0 16.7 118.8 Analysis Plot
20241024 200447 SSMISF18 17.2 119.1 N/A N/A N/A N/A N/A 45.0 16.7 118.5 Analysis Plot
20241024 222600 SSMISF16 17.2 118.4 N/A N/A N/A N/A N/A 45.0 16.7 118.3 Analysis Plot
20241024 223718 SSMISF17 17.2 118.4 N/A N/A N/A N/A N/A 45.0 16.7 118.2 Analysis Plot
20241025 095016 SSMISF17 17.7 116.2 68 N/A 2.74 2.74 N/A 55.0 17.7 116.2 Analysis Plot
20241025 112827 GMI 17.2 116.7 N/A N/A N/A N/A N/A 55.0 17.7 116.0 Analysis Plot
20241025 183156 AMSR2 17.2 114.3 112 26% 7.07 7.07 N/A 60.0 17.2 114.7 Analysis Plot
20241025 222349 SSMISF17 16.5 113.4 112 28% 9.43 9.43 N/A 60.0 17.2 114.4 Analysis Plot
20241026 005204 GMI 16.9 113.1 112 31% 17.61 17.61 N/A 60.0 17.2 114.1 Analysis Plot
20241026 052515 AMSR2 17.1 112.1 N/A N/A N/A N/A N/A 60.0 17.2 111.9 Analysis Plot
20241026 084500 SSMISF18 17.6 111.5 190 N/A 2.21 2.21 N/A 55.0 17.0 111.2 Analysis Plot
20241026 110702 SSMISF16 17.5 111.0 N/A N/A N/A N/A N/A 55.0 16.9 110.8 Analysis Plot
20241026 211945 SSMISF18 16.9 108.9 179 8% 3.70 -3.70 N/A 50.0 16.9 109.3 Analysis Plot
20241027 060634 AMSR2 15.9 108.1 46 N/A 2.62 -2.62 N/A 40.0 16.2 107.9 Analysis Plot
20241027 083028 SSMISF18 15.9 108.0 101 8% 2.89 -2.89 N/A 40.0 16.0 107.7 Analysis Plot
20241027 110222 SSMISF17 15.6 108.2 112 N/A 3.98 -3.98 N/A 40.0 15.9 107.6 Analysis Plot
20241027 113924 GMI 15.3 108.2 112 N/A 0.63 -0.63 N/A 40.0 15.9 107.6 Analysis Plot
20241027 210533 SSMISF18 15.5 107.3 212 N/A 0.96 -0.96 N/A 30.0 15.3 107.8 Analysis Plot
20241027 232730 SSMISF16 15.3 106.8 N/A N/A N/A N/A N/A 30.0 15.3 107.8 Analysis Plot
20241028 010118 GMI 15.8 106.5 N/A N/A N/A N/A N/A 30.0 15.3 107.8 Analysis Plot
20241028 081700 SSMISF18 14.9 106.8 N/A N/A N/A N/A N/A 25.0 15.6 108.2 Analysis Plot
20241028 104817 SSMISF17 15.4 108.2 12 N/A 1.26 -1.26 N/A 25.0 15.6 108.3 Analysis Plot
20241028 205126 SSMISF18 15.4 108.2 N/A N/A N/A N/A N/A 25.0 16.4 108.8 Analysis Plot
20241029 001940 GMI 16.3 109.4 N/A N/A N/A N/A N/A 25.0 16.4 108.9 Analysis Plot
20241029 055429 AMSR2 16.4 109.0 112 N/A 1.60 -1.60 N/A 15.0 16.4 109.0 Analysis Plot
20241029 080355 SSMISF18 16.4 109.0 312 N/A 0.66 -0.66 N/A 15.0 16.4 109.0 Analysis Plot
20241029 103437 SSMISF17 15.6 109.2 46 N/A 0.77 -0.77 N/A 15.0 16.4 109.1 Analysis Plot
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Legend - Overpass Date/Time are determined from satellite overpass of targeted TC (position determined from Best Track Lat/Lon position). Date is YYYYMMDD and time in HHMMSS (UTC). - Forecast (Best Track) and ARCHER positions (deg) of the TC center at overpass day/time. Positive/Negative: Latitude = North/South Hemisphere; Longitude = Eastern/Western Hemisphere. - BT Vmax is the concurrent ATCF Best Track (BT) wind speed intensity estimate (Vmax) value from either NOAA/National Hurricane Center (NHC) (North Atlantic and Northeast Pacific), NOAA/Central Pacific Hurricane Center (CPHC) (North-central Pacific) or Joint Typhoon Warning Center (JTWC) (Northwest Pacific, Indian Ocean, or Southwest Pacific). - Sat is the satellite descriptor providing the overpass. Currently the satellites used are the DMSP/SSMIS-16/17/18, GPM/GMI, and GCOM/AMSR2. - Ring Diam (km) indicates the estimated surface eyewall diameter if one is analyzed in the PMW imagery. The value listed is the average PMW-estimated inner eyewall edge diameter minus 10 km for eyewall slope. N/A indicates no appreciable eyewall is analyzed. - Ring Pct is the percentage of the analyzed "ring" (eyewall inner boundary) that is 1) colder than the eye Tb (the "hot spot" -- warmest eye pixel) by at least 20K, or 2) that is colder than 232K and colder than the eye Tb by 10K, whichever is greater. Values are red if Ring % ≤65,yellow/brown if Ring % ≤85 and green if Ring % >85. N/A indicates no appreciable eyewall is analyzed. A value over 85% is used in the intensity score by adding 15 points to it. - TbDiff is the difference between the warmest eye pixel and the warmest pixel on the eyewall. This value is used in the Intensity Score. N/A indicates no appreciable eyewall is analyzed. - Eye Score values are based on the strength and organization of the convective/eyewall signatures in the PMW imagery, and based on the ARCHER center location. They normally range from 0 to 100 with empirically-determined thresholds related to intensity (Vmax) in the "Meaning" column (≥20 suggests ≥65kts; ≥60 suggests ≥85kts). Scores are listed as negative, and not used by the ADT, when the NHC, CPHC, or JTWC Best Track Vmax is <55 kts in order to filter out occasional "false eye" cases. A value of -920 is used when the warmest eye pixel is <200K to prevent false positives; -930 means edge of overpass and <85% of eyewall is captured and therefore can't fully be analyzed. |
