Tropical Depression 11E
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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
20230904 230612 SSMISF18 12.6 -104.5 257 12% 1.38 -1.38 N/A 30.0 12.6 -104.5 Analysis Plot
20230905 005335 SSMISF17 12.7 -104.9 79 1% 1.41 -1.41 N/A 30.0 12.6 -104.7 Analysis Plot
20230905 083907 AMSR2 12.8 -106.8 N/A N/A N/A N/A N/A 35.0 12.9 -107.2 Analysis Plot
20230905 114353 SSMISF18 13.5 -106.6 N/A N/A N/A N/A N/A 45.0 12.9 -107.5 Analysis Plot
20230905 132958 SSMISF17 13.3 -106.4 N/A N/A N/A N/A N/A 45.0 13.1 -107.4 Analysis Plot
20230905 155537 GMI 12.6 -107.2 23 90% 10.51 -25.51 N/A 45.0 13.1 -107.5 Analysis Plot
20230905 225301 SSMISF18 13.2 -108.6 23 40% 0.48 0.48 N/A 55.0 13.0 -108.5 Analysis Plot
20230905 225303 SSMISF18 13.7 -109.2 68 1% 0.88 0.88 N/A 60.0 13.1 -108.7 Analysis Plot
20230906 032228 GMI 13.2 -108.9 N/A N/A N/A N/A N/A 60.0 13.2 -108.7 Analysis Plot
20230906 092217 AMSR2 13.6 -109.5 46 100% 36.45 51.45 >65 kts 75.0 13.8 -110.0 Analysis Plot
20230906 112925 SSMISF18 13.6 -109.9 23 88% 14.40 29.40 >65 kts 90.0 14.0 -110.4 Analysis Plot
20230906 132208 SSMISF16 13.9 -110.1 23 96% 18.48 33.48 >65 kts 90.0 14.2 -110.6 Analysis Plot
20230907 003324 SSMISF16 15.5 -112.7 5 83% 4.60 4.60 N/A 135.0 15.3 -112.5 Analysis Plot
20230907 020847 SSMISF17 15.6 -112.7 5 99% 8.75 23.75 >65 kts 135.0 15.3 -112.8 Analysis Plot
20230907 020850 SSMISF17 15.6 -112.7 5 100% 10.01 25.01 >65 kts 135.0 15.8 -113.2 Analysis Plot
20230907 111652 SSMISF18 16.6 -115.2 5 93% 9.74 24.74 >65 kts 140.0 16.8 -115.2 Analysis Plot
20230907 130832 SSMISF16 16.9 -115.6 146 35% 6.98 6.98 N/A 135.0 17.0 -115.7 Analysis Plot
20230907 144325 SSMISF17 17.0 -115.8 5 50% 1.84 1.84 N/A 135.0 17.3 -116.1 Analysis Plot
20230907 205711 AMSR2 17.8 -117.3 5 99% 15.46 30.46 >65 kts 125.0 17.8 -117.5 Analysis Plot
20230908 015533 SSMISF17 18.4 -118.5 112 17% 14.50 14.50 N/A 115.0 18.2 -118.5 Analysis Plot
20230908 030821 GMI 18.3 -118.6 101 100% 23.58 38.58 >65 kts 115.0 18.3 -118.6 Analysis Plot
20230908 124409 SSMISF18 19.4 -120.7 N/A N/A N/A N/A N/A 85.0 19.6 -120.8 Analysis Plot
20230908 142836 SSMISF17 19.6 -121.2 135 N/A 7.21 7.21 N/A 85.0 19.9 -121.4 Analysis Plot
20230908 162525 GMI 20.0 -121.5 101 N/A 2.47 2.47 N/A 85.0 20.0 -121.5 Analysis Plot
20230908 214049 AMSR2 20.5 -122.7 135 6% 4.03 4.03 N/A 75.0 20.5 -122.7 Analysis Plot
20230908 235702 SSMISF18 21.1 -123.1 46 N/A 7.64 7.64 N/A 70.0 20.9 -123.2 Analysis Plot
20230909 015003 SSMISF16 21.3 -123.3 57 N/A 7.40 7.40 N/A 70.0 20.9 -123.3 Analysis Plot
20230909 095104 AMSR2 22.0 -124.7 N/A N/A N/A N/A N/A 60.0 21.8 -125.0 Analysis Plot
20230909 122911 SSMISF18 22.2 -125.2 123 N/A 1.91 1.91 N/A 55.0 22.0 -125.3 Analysis Plot
20230909 142145 SSMISF16 22.5 -125.4 168 N/A 0.91 0.91 N/A 55.0 22.4 -125.6 Analysis Plot
20230910 013717 SSMISF16 23.9 -126.1 68 N/A 1.10 -1.10 N/A 45.0 23.3 -126.6 Analysis Plot
20230910 025408 GMI 23.7 -126.3 46 N/A 0.25 -0.25 N/A 45.0 23.7 -126.5 Analysis Plot
20230910 103325 AMSR2 24.4 -127.3 12 N/A 0.49 -0.49 N/A 40.0 24.2 -127.1 Analysis Plot
20230910 121601 SSMISF18 24.5 -127.5 N/A N/A N/A N/A N/A 35.0 24.3 -127.2 Analysis Plot
20230910 140805 SSMISF16 24.4 -128.6 N/A N/A N/A N/A N/A 35.0 24.2 -126.9 Analysis Plot
20230910 161341 GMI 25.0 -127.3 N/A N/A N/A N/A N/A 35.0 24.3 -127.0 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. |
