Hurricane 13L
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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
20230905 161059 AMSR2 13.2 -40.5 190 14% 1.10 -1.10 N/A 30.0 12.7 -40.6 Analysis Plot
20230905 194109 SSMISF16 13.2 -42.1 N/A N/A N/A N/A N/A 35.0 12.8 -41.2 Analysis Plot
20230905 211552 SSMISF17 13.1 -41.9 23 54% 3.48 -3.48 N/A 35.0 13.3 -41.9 Analysis Plot
20230905 224439 GMI 13.4 -42.3 12 1% 5.56 -5.56 N/A 35.0 13.4 -42.3 Analysis Plot
20230906 042530 AMSR2 13.1 -43.8 57 33% 6.96 -6.96 N/A 45.0 13.7 -43.6 Analysis Plot
20230906 081716 SSMISF16 13.4 -44.4 90 29% 11.68 11.68 N/A 55.0 13.7 -44.7 Analysis Plot
20230906 095217 SSMISF17 13.6 -44.6 57 25% 12.39 12.39 N/A 55.0 13.8 -45.0 Analysis Plot
20230906 115848 GMI 14.0 -45.0 79 21% 16.88 16.88 N/A 55.0 13.9 -45.3 Analysis Plot
20230906 165535 AMSR2 15.3 -46.4 N/A N/A N/A N/A N/A 60.0 14.3 -46.0 Analysis Plot
20230906 191626 SSMISF18 14.9 -46.3 79 47% 21.23 21.23 >65 kts 65.0 14.4 -46.3 Analysis Plot
20230906 210254 SSMISF17 15.1 -46.7 57 42% 16.34 16.34 N/A 65.0 14.9 -46.4 Analysis Plot
20230907 050804 AMSR2 15.5 -48.0 123 43% 9.22 9.22 N/A 70.0 15.7 -48.5 Analysis Plot
20230907 075247 SSMISF18 15.8 -48.4 N/A N/A N/A N/A N/A 70.0 16.1 -48.6 Analysis Plot
20230907 093747 SSMISF17 15.8 -49.2 57 100% 34.59 49.59 >65 kts 70.0 16.3 -49.0 Analysis Plot
20230907 190318 SSMISF18 16.8 -51.1 34 100% 66.41 81.41 >85 kts 105.0 16.8 -50.9 Analysis Plot
20230907 205621 SSMISF16 16.9 -51.2 23 100% 62.38 77.38 >85 kts 105.0 17.0 -51.4 Analysis Plot
20230907 223027 GMI 16.9 -51.5 23 100% 71.12 86.12 >85 kts 105.0 17.0 -51.6 Analysis Plot
20230908 073759 SSMISF18 17.5 -53.5 23 100% 44.10 59.10 >65 kts 145.0 17.8 -53.5 Analysis Plot
20230908 093037 SSMISF16 17.6 -53.6 12 100% 59.73 74.73 >85 kts 145.0 18.0 -53.8 Analysis Plot
20230908 114710 GMI 17.9 -54.0 12 100% 47.15 62.15 >85 kts 145.0 18.1 -54.1 Analysis Plot
20230908 164405 AMSR2 18.5 -54.8 12 100% 74.08 89.08 >85 kts 135.0 18.4 -54.9 Analysis Plot
20230908 185222 SSMISF18 18.7 -55.4 5 100% 15.23 30.23 >65 kts 135.0 18.6 -55.1 Analysis Plot
20230908 204409 SSMISF16 19.0 -55.5 N/A N/A N/A N/A N/A 130.0 18.9 -55.5 Analysis Plot
20230908 221835 SSMISF17 19.1 -55.6 5 35% 1.94 1.94 N/A 130.0 19.0 -55.8 Analysis Plot
20230909 072548 SSMISF18 19.5 -57.2 5 82% 4.94 4.94 N/A 100.0 19.7 -57.4 Analysis Plot
20230909 091720 SSMISF16 20.0 -57.5 23 29% 0.79 0.79 N/A 100.0 19.9 -57.6 Analysis Plot
20230909 105116 SSMISF17 19.8 -57.6 12 83% 12.30 12.30 N/A 100.0 20.0 -57.9 Analysis Plot
20230909 172728 AMSR2 20.5 -58.6 57 15% 10.91 10.91 N/A 100.0 20.6 -58.6 Analysis Plot
20230909 221634 GMI 20.9 -59.3 12 57% 11.64 11.64 N/A 100.0 20.8 -59.3 Analysis Plot
20230910 053739 AMSR2 21.3 -60.2 46 15% 17.91 17.91 N/A 90.0 21.3 -60.5 Analysis Plot
20230910 113440 GMI 21.6 -60.8 N/A N/A N/A N/A N/A 90.0 21.6 -60.8 Analysis Plot
20230910 200707 SSMISF18 22.3 -61.7 34 46% 12.01 12.01 N/A 100.0 21.9 -61.5 Analysis Plot
20230910 215220 SSMISF17 22.4 -61.8 46 100% 36.69 51.69 >65 kts 105.0 22.2 -61.8 Analysis Plot
20230911 062036 AMSR2 22.9 -62.5 46 58% 10.22 10.22 N/A 105.0 23.0 -62.7 Analysis Plot
20230911 083828 SSMISF18 22.8 -62.7 23 7% 21.61 21.61 >65 kts 105.0 23.2 -62.7 Analysis Plot
20230911 103152 SSMISF16 23.1 -62.7 34 43% 10.71 10.71 N/A 105.0 23.4 -62.9 Analysis Plot
20230911 171627 AMSR2 23.5 -63.8 135 100% 32.18 47.18 >65 kts 105.0 23.7 -63.8 Analysis Plot
20230911 195413 SSMISF18 23.8 -64.2 135 100% 47.54 62.54 >85 kts 105.0 23.8 -64.0 Analysis Plot
20230911 220330 GMI 23.7 -64.3 112 100% 38.39 53.39 >65 kts 100.0 23.6 -64.3 Analysis Plot
20230912 082459 SSMISF18 23.7 -65.5 146 100% 32.25 47.25 >65 kts 100.0 24.0 -65.5 Analysis Plot
20230912 112215 GMI 24.2 -65.6 N/A N/A N/A N/A N/A 100.0 24.1 -65.6 Analysis Plot
20230912 175936 AMSR2 24.5 -66.2 68 100% 27.17 42.17 >65 kts 100.0 24.5 -66.2 Analysis Plot
20230912 194158 SSMISF18 24.6 -66.6 79 100% 27.33 42.33 >65 kts 100.0 24.8 -66.5 Analysis Plot
20230912 213408 SSMISF16 24.8 -66.5 68 18% 13.15 13.15 N/A 100.0 24.9 -66.6 Analysis Plot
20230913 060720 AMSR2 25.4 -66.9 57 36% 0.55 0.55 N/A 100.0 25.8 -67.0 Analysis Plot
20230913 081212 SSMISF18 25.5 -67.2 57 10% 6.29 6.29 N/A 100.0 25.8 -67.2 Analysis Plot
20230913 100404 SSMISF16 25.6 -67.1 68 35% 0.73 0.73 N/A 100.0 26.0 -67.3 Analysis Plot
20230913 113625 SSMISF17 25.7 -67.0 57 19% 1.45 1.45 N/A 100.0 26.2 -67.3 Analysis Plot
20230913 215011 GMI 27.2 -67.5 46 3% 18.60 18.60 N/A 90.0 27.6 -67.6 Analysis Plot
20230913 225301 SSMISF17 27.6 -67.4 57 29% 1.79 1.79 N/A 90.0 27.7 -67.7 Analysis Plot
20230914 065001 AMSR2 28.7 -67.9 N/A N/A N/A N/A N/A 85.0 29.0 -67.9 Analysis Plot
20230914 111155 GMI 29.3 -67.8 N/A N/A N/A N/A N/A 85.0 29.5 -68.2 Analysis Plot
20230914 112110 SSMISF17 29.3 -68.0 N/A N/A N/A N/A N/A 80.0 30.0 -68.2 Analysis Plot
20230914 174856 AMSR2 31.1 -68.3 190 11% 1.77 1.77 N/A 80.0 31.1 -68.3 Analysis Plot
20230914 205542 GMI 31.5 -68.2 N/A N/A N/A N/A N/A 75.0 31.7 -68.3 Analysis Plot
20230914 224128 SSMISF17 32.2 -66.5 N/A N/A N/A N/A N/A 75.0 33.4 -67.5 Analysis Plot
20230915 092414 SSMISF18 34.0 -66.5 N/A N/A N/A N/A N/A 75.0 35.1 -67.3 Analysis Plot
20230915 165655 AMSR2 36.5 -66.1 N/A N/A N/A N/A N/A 70.0 36.9 -66.8 Analysis Plot
20230915 205906 SSMISF16 37.8 -65.1 N/A N/A N/A N/A N/A 70.0 38.2 -66.7 Analysis Plot
20230915 222923 SSMISF17 38.6 -64.8 N/A N/A N/A N/A N/A 70.0 38.9 -66.6 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. |
