UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for RJ646... Searching the city database file for: RJ646 ... Date:1200Z 18 APR 25 Station: RJ646 WMO ident: 47646 Latitude: 36.05 Longitude: 140.13 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1009 28 18.0 14.8 82 3.2 16.0 180 3 290.4 292.3 288.8 320.1 10.54 1 1000 104 18.2 14.1 77 4.1 15.6 190 12 291.4 293.2 288.8 320.1 10.16 2 925 770 15.8 10.8 72 5.0 12.7 215 17 295.5 297.1 289.0 321.0 8.82 3 889 1109 14.8 5.8 55 9.0 9.7 229 10 297.8 299.0 287.8 317.0 6.51 4 861 1381 13.8 -5.2 26 19.0 5.1 240 4 299.5 300.0 284.8 308.7 3.01 5 850 1490 15.2 -5.8 23 21.0 5.5 245 2 302.1 302.6 285.7 311.1 2.91 6 846 1530 15.0 -9.0 18 24.0 4.6 246 2 302.3 302.7 285.1 309.4 2.28 7 721 2856 4.4 -3.6 56 8.0 0.6 275 10 304.8 305.5 287.8 317.3 4.06 8 700 3096 2.4 -5.6 55 8.0 -1.2 280 12 305.1 305.8 287.5 316.3 3.60 9 565 4787 -9.7 -22.7 34 13.0 -13.2 277 15 310.2 310.4 286.7 313.8 1.09 10 556 4910 -9.7 -36.7 9 27.0 -14.7 277 15 311.6 311.7 286.3 312.7 0.30 11 500 5720 -15.7 -44.7 6 29.0 -19.6 275 16 313.9 313.9 286.9 314.4 0.14 12 466 6244 -19.5 -46.5 7 27.0 -22.7 280 21 315.6 315.6 287.4 316.0 0.13 13 433 6781 -24.9 -44.9 14 20.0 -27.0 285 27 315.4 315.4 287.4 316.0 0.16 14 427 6882 -25.7 -37.7 32 12.0 -27.3 286 28 315.6 315.7 287.7 316.9 0.35 15 416 7069 -26.5 -48.5 11 22.0 -28.5 287 30 317.0 317.0 287.9 317.4 0.11 16 400 7350 -28.7 -45.7 18 17.0 -30.3 290 33 317.7 317.7 288.2 318.3 0.16 17 332 8655 -40.1 -53.1 24 13.0 -40.8 277 42 319.5 319.5 288.6 319.8 0.08 18 300 9340 -45.5 270 47 321.2 19 257 10360 -51.1 283 53 327.5 20 250 10540 -51.7 285 54 329.2 21 231 11048 -55.9 275 60 330.3 22 202 11906 -54.3 256 73 345.8 23 200 11970 -54.5 255 74 346.5 24 164 13230 -58.1 255 84 360.7 25 156 13544 -58.7 255 86 364.9 26 150 13790 -59.1 260 89 368.3 27 147 13917 -58.9 260 87 370.7 28 132 14599 -55.9 257 77 387.7 29 109 15804 -61.9 252 59 398.2 30 100 16340 -60.9 250 51 410.1 31 84 17421 -61.3 267 35 430.2 32 77 17955 -65.1 276 28 433.1 33 70 18540 -61.5 285 19 452.8 34 68 18720 -62.1 293 18 455.3 35 57 19814 -61.3 343 9 480.7 36 50 20630 -59.9 20 2 502.3 37 45 21288 -58.5 349 2 521.1 38 42 21725 -54.9 329 3 540.4 39 30 23870 -55.1 230 4 594.4 40 20 26460 -53.9 340 21 671.2 41 16 27884 -56.7 706.3 42 12 29728 -51.9 783.9 TRP 231 11048 -55.9 275 60 330.3 WND 156 13544 -58.7 255 86 364.9 Sounding variables and indices 1000-500 mb thick: 5616.00 m Freezing level: 673.22 mb = 3431.32 m = 11257.47 ft Wetbulb zero: 713.88 mb = 2936.73 m = 9634.81 ft Precipitable water: 0.83 inches Sfc-500 mean rel hum: 41.39 % Est. max temperature: 27.58 C = 81.65 F Sfc-Lift cond lev (LCL): 962.27 mb = 432.53 m = 1419.06 ft T: 17.02 C 700-500 lapse rate: 6.90 C/km ThetaE index: 12.27 C Layer 889.0- 850.0 mb Conv cond level (CCL): 772.64 mb = 2282.43 m = 7488.21 ft Mean mixing ratio: 9.36 g/kg Conv temperature: 31.37 C = 88.46 F Cap Strength: 6.10 C Lifted Index: 0.45 C Risk: Showers probable Lifted Index @300 mb: 1.06 C Lifted Index @700 mb: 1.79 C Showalter Index: 5.96 C Risk: None Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 30.90 C Cross Totals Index: 9.90 C K Index: 17.10 Risk: < 20 % chance of thunderstorms Sweat Index: 20.00 Risk: None Energy Index: 0.79 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.45 J/kg Max Up Vert Vel: 6.40 m/s Conv Inhibition (B-): 391.80 J/kg Cap Strength: 6.03 C Lift Cond Lev (LCL): 893.62 mb = 1064.47 m = 3492.30 ft Lev Free Conv (LFC): 448.62 mb = 6521.83 m = 21396.81 ft Equ Level (EL): 408.62 mb = 7197.50 m = 23613.56 ft B at Equ Level: 19.35 J/kg Max Parcel Lev (MPL): 308.62 mb = 9148.64 m = 30014.84 ft Wind level data Storm motion: 293 at 9 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1009 28 180 3 0.0 3.0 | 129 10 -8.1 6.5 1 1000 104 190 12 2.1 11.8 | 158 16 -6.1 15.3 2 925 770 215 17 9.8 13.9 | 185 17 1.6 17.4 3 850 1490 245 2 1.8 0.8 | 124 8 -6.3 4.3 4 700 3096 280 12 11.8 -2.1 | 249 4 3.7 1.4 5 500 5720 275 16 15.9 -1.4 | 255 8 7.8 2.1 6 400 7350 290 33 31.0 -11.3 | 289 24 22.9 -7.8 7 300 9340 270 47 47.0 -0.0 | 265 39 38.9 3.5 8 250 10540 285 54 52.2 -14.0 | 283 45 44.0 -10.5 9 231 11048 275 60 59.8 -5.2 | 272 52 51.6 -1.7 10 200 11970 255 74 71.5 19.2 | 250 67 63.3 22.6 11 156 13544 255 86 83.1 22.3 | 251 79 74.9 25.7 12 150 13790 260 89 87.6 15.5 | 257 82 79.5 18.9 13 100 16340 250 51 47.9 17.4 | 242 45 39.8 20.9 14 70 18540 285 19 18.4 -4.9 | 278 10 10.2 -1.4 15 50 20630 20 2 -0.7 -1.9 | 100 9 -8.8 1.6 16 30 23870 230 4 3.1 2.6 | 140 8 -5.1 6.1 17 20 26460 340 21 7.2 -19.7 | 3 16 -1.0 -16.2 Wind Parameters Mean winds (0-6000m): 263.2 at 11.8 knts Storm direction: 293.2 at 8.9 knts Shear (0-3000m) pos: 2.1 neg: 0.0 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 113.2 deg Storm rel helicity (0-3000m) pos: 69.2 neg: -20.1 tot: 49.1 m^2/s^2 ave: 16.4 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.89 Bulk Shear: 23.10 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 198 13 165 16| 12.9 0.0 12.9| 43.9 0.0 43.9 87.8 0.84| 14.5 12.2 1000 208 14 174 16| 5.0 0.0 5.0| 57.9 -3.5 54.4 54.4 0.61| 11.7 7.2 1500 210 11 170 14| 1.0 0.0 1.0| 57.9 -20.1 37.8 25.2 0.19| 11.1 2.1 2000 214 10 166 12| 1.4 0.0 1.4| 62.3 -20.1 42.2 21.1 0.24| 9.2 2.2 2500 222 9 168 10| 1.8 0.0 1.8| 65.8 -20.1 45.7 18.3 0.30| 8.0 2.4 3000 234 9 175 9| 2.1 0.0 2.1| 69.2 -20.1 49.1 16.4 0.36| 7.3 2.6 4000 249 10 190 7| 1.7 0.1 1.8| 70.1 -20.1 50.0 12.5 0.36| 5.8 2.1 5000 258 11 204 6| 1.4 0.2 1.6| 70.4 -20.1 50.3 10.1 0.35| 4.8 1.7 6000 263 12 216 6| 1.5 0.3 1.7| 74.7 -20.1 54.6 9.1 0.35| 4.4 1.5 Wrote GIF file: /home/apache/climate/data/raob//RJ646/skewt/RJ646.skewt.20250418.12.gif