Hurricane 07L
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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
20250917 161840 AMSR2 18.0 -48.1 N/A N/A N/A N/A N/A 40.0 18.1 -46.9 Analysis Plot
20250917 190923 SSMISF18 18.7 -48.3 N/A N/A N/A N/A N/A 45.0 18.8 -47.3 Analysis Plot
20250917 202909 SSMISF17 18.9 -46.3 N/A N/A N/A N/A N/A 45.0 19.0 -47.5 Analysis Plot
20250917 211135 SSMISF16 19.7 -46.4 N/A N/A N/A N/A N/A 45.0 19.5 -48.1 Analysis Plot
20250918 000518 GMI 19.3 -49.1 N/A N/A N/A N/A N/A 45.0 19.8 -48.5 Analysis Plot
20250918 074207 SSMISF18 20.0 -50.3 N/A N/A N/A N/A N/A 45.0 20.0 -50.3 Analysis Plot
20250918 132917 GMI 20.4 -51.4 N/A N/A N/A N/A N/A 45.0 20.5 -51.1 Analysis Plot
20250918 170226 AMSR2 20.5 -52.2 257 N/A 0.62 -0.62 N/A 45.0 20.6 -52.2 Analysis Plot
20250918 185621 SSMISF18 20.6 -52.5 190 N/A 2.43 -2.43 N/A 45.0 20.7 -52.4 Analysis Plot
20250919 051227 AMSR2 21.3 -53.3 N/A N/A N/A N/A N/A 45.0 21.6 -54.1 Analysis Plot
20250919 111104 SSMISF16 22.3 -55.5 N/A N/A N/A N/A N/A 45.0 22.3 -55.5 Analysis Plot
20250919 214131 SSMISF17 23.0 -56.8 N/A N/A N/A N/A N/A 45.0 22.5 -56.8 Analysis Plot
20250920 001414 GMI 22.9 -57.2 N/A N/A N/A N/A N/A 45.0 22.8 -57.2 Analysis Plot
20250920 055453 AMSR2 25.2 -58.1 N/A N/A N/A N/A N/A 45.0 24.2 -57.8 Analysis Plot
20250920 101147 SSMISF17 24.4 -57.7 12 89% 5.56 -20.56 N/A 45.0 24.7 -58.5 Analysis Plot
20250920 134016 GMI 24.8 -58.3 5 N/A 3.20 -3.20 N/A 45.0 24.9 -58.7 Analysis Plot
20250920 165203 AMSR2 24.9 -58.3 46 51% 7.15 -7.15 N/A 45.0 25.3 -59.3 Analysis Plot
20250920 212830 SSMISF17 25.8 -58.9 68 18% 4.81 4.81 N/A 55.0 25.7 -59.0 Analysis Plot
20250920 221231 SSMISF16 25.8 -59.0 112 36% 0.57 0.57 N/A 55.0 25.8 -59.2 Analysis Plot
20250920 233051 GMI 25.8 -58.8 101 47% 7.58 7.58 N/A 55.0 25.9 -59.3 Analysis Plot
20250921 083926 SSMISF18 27.0 -60.4 34 60% 8.23 8.23 N/A 55.0 27.4 -60.2 Analysis Plot
20250921 104141 SSMISF16 27.3 -60.6 34 7% 0.74 0.74 N/A 55.0 27.6 -60.3 Analysis Plot
20250921 173521 AMSR2 28.0 -61.3 57 50% 10.72 10.72 N/A 55.0 28.1 -61.3 Analysis Plot
20250921 195709 SSMISF18 28.5 -61.8 23 7% 9.81 9.81 N/A 65.0 28.4 -61.5 Analysis Plot
20250922 194410 SSMISF18 31.7 -62.2 23 100% 56.01 71.01 >85 kts 115.0 31.8 -61.8 Analysis Plot
20250923 131038 GMI 33.7 -58.8 23 100% 32.51 47.51 >65 kts 120.0 33.8 -58.6 Analysis Plot
20250923 172456 AMSR2 34.1 -57.5 23 100% 26.97 41.97 >65 kts 120.0 34.3 -57.3 Analysis Plot
20250923 204915 SSMISF17 34.7 -56.4 12 100% 29.18 44.18 >65 kts 115.0 34.6 -56.2 Analysis Plot
20250923 213415 SSMISF16 34.7 -56.2 12 54% 14.58 14.58 N/A 115.0 34.7 -55.8 Analysis Plot
20250924 075430 SSMISF18 35.2 -52.3 34 99% 19.81 34.81 >65 kts 100.0 35.6 -51.3 Analysis Plot
20250924 091308 SSMISF17 35.6 -51.0 N/A N/A N/A N/A N/A 100.0 35.7 -50.6 Analysis Plot
20250924 095823 SSMISF16 35.5 -51.2 23 100% 28.45 43.45 >65 kts 100.0 35.7 -50.4 Analysis Plot
20250924 122924 GMI 35.7 -49.8 34 100% 39.19 54.19 >65 kts 95.0 35.8 -49.7 Analysis Plot
20250924 162930 AMSR2 35.7 -47.6 23 29% 8.51 8.51 N/A 90.0 36.2 -46.7 Analysis Plot
20250925 043105 AMSR2 35.9 -40.5 101 68% 3.74 3.74 N/A 75.0 36.2 -39.5 Analysis Plot
20250925 153403 AMSR2 36.4 -34.7 223 10% 2.66 2.66 N/A 65.0 36.8 -34.3 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. |
