Tropical Depression 01E
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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
20230627 200718 AMSR2 15.1 -105.8 46 96% 17.98 -32.98 N/A 40.0 15.3 -106.0 Analysis Plot
20230627 230525 SSMISF18 15.3 -106.2 N/A N/A N/A N/A N/A 40.0 15.3 -106.3 Analysis Plot
20230627 232738 GMI 15.1 -106.1 34 100% 31.18 -46.18 N/A 40.0 15.3 -106.3 Analysis Plot
20230628 012422 SSMISF17 15.4 -106.6 N/A N/A N/A N/A N/A 45.0 15.3 -106.7 Analysis Plot
20230628 124257 GMI 15.1 -107.7 N/A N/A N/A N/A N/A 65.0 15.3 -108.2 Analysis Plot
20230628 135948 SSMISF17 14.9 -107.7 68 100% 38.78 53.78 >65 kts 65.0 15.2 -108.0 Analysis Plot
20230628 204950 AMSR2 15.3 -108.2 79 36% 7.67 7.67 N/A 70.0 15.3 -108.5 Analysis Plot
20230628 225221 SSMISF18 15.4 -108.7 68 10% 24.85 24.85 >65 kts 70.0 15.3 -108.7 Analysis Plot
20230628 225223 SSMISF18 15.4 -108.8 68 18% 24.58 24.58 >65 kts 70.0 15.3 -108.8 Analysis Plot
20230629 011114 SSMISF17 15.6 -108.8 79 11% 20.55 20.55 >65 kts 70.0 15.4 -108.9 Analysis Plot
20230629 090251 AMSR2 15.7 -109.6 46 100% 26.62 41.62 >65 kts 75.0 15.6 -110.2 Analysis Plot
20230629 134608 SSMISF17 15.8 -110.2 57 36% 5.36 5.36 N/A 75.0 15.7 -110.7 Analysis Plot
20230629 224043 SSMISF18 16.3 -111.1 23 57% 13.58 13.58 N/A 75.0 16.5 -110.9 Analysis Plot
20230629 231640 GMI 16.4 -110.9 23 100% 22.64 37.64 >65 kts 75.0 16.5 -111.0 Analysis Plot
20230630 003336 SSMISF16 16.5 -111.1 23 100% 20.97 35.97 >65 kts 75.0 16.6 -111.1 Analysis Plot
20230630 123232 GMI 17.4 -112.3 N/A N/A N/A N/A N/A 85.0 16.8 -112.2 Analysis Plot
20230630 130717 SSMISF16 17.0 -112.1 23 100% 31.52 46.52 >65 kts 85.0 16.9 -112.3 Analysis Plot
20230630 133311 SSMISF17 17.0 -112.3 23 100% 26.42 41.42 >65 kts 85.0 17.3 -112.2 Analysis Plot
20230630 203831 AMSR2 17.3 -113.2 5 100% 10.47 25.47 >65 kts 95.0 17.7 -113.0 Analysis Plot
20230701 002138 SSMISF16 17.9 -113.7 N/A N/A N/A N/A N/A 95.0 17.9 -113.3 Analysis Plot
20230701 085116 AMSR2 18.1 -113.7 N/A N/A N/A N/A N/A 70.0 18.2 -114.2 Analysis Plot
20230701 125508 SSMISF16 18.3 -114.3 146 7% 3.42 3.42 N/A 55.0 18.4 -114.5 Analysis Plot
20230701 212151 AMSR2 18.8 -115.1 N/A N/A N/A N/A N/A 50.0 18.8 -115.1 Analysis Plot
20230701 230521 GMI 18.8 -115.2 N/A N/A N/A N/A N/A 50.0 18.8 -115.2 Analysis Plot
20230701 235608 SSMISF18 19.4 -115.4 N/A N/A N/A N/A N/A 45.0 19.0 -115.4 Analysis Plot
20230702 021238 SSMISF17 19.4 -115.5 179 N/A 2.13 -2.13 N/A 45.0 19.0 -115.6 Analysis Plot
20230702 093236 AMSR2 19.4 -116.4 N/A N/A N/A N/A N/A 35.0 19.4 -116.4 Analysis Plot
20230702 144547 SSMISF17 19.7 -117.0 34 N/A 2.41 -2.41 N/A 30.0 19.5 -116.8 Analysis Plot
20230703 013734 SSMISF16 20.1 -118.2 46 N/A 1.12 -1.12 N/A 30.0 20.0 -118.0 Analysis Plot
20230703 015905 SSMISF17 20.2 -118.2 12 N/A 0.20 -0.20 N/A 30.0 20.1 -118.1 Analysis Plot
20230703 121505 SSMISF18 20.3 -119.6 57 N/A 2.76 -2.76 N/A 30.0 20.3 -119.6 Analysis Plot
20230703 140958 SSMISF16 20.4 -119.8 46 N/A 1.39 -1.39 N/A 30.0 20.3 -119.9 Analysis Plot
20230703 143140 SSMISF17 20.3 -119.9 34 N/A 0.18 -0.18 N/A 30.0 20.3 -119.9 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. |
