UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for RJ646... Searching the city database file for: RJ646 ... Date:0000Z 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 1012 27 16.0 11.0 72 5.0 13.0 270 4 288.2 289.6 285.7 311.1 8.16 1 1000 128 14.6 9.7 72 4.9 11.8 265 2 287.8 289.1 284.9 309.0 7.57 2 986 247 14.0 11.8 87 2.2 12.7 269 3 288.3 289.9 286.4 313.1 8.84 3 941 641 15.4 6.4 55 9.0 10.4 281 7 293.6 294.8 286.1 312.2 6.41 4 925 786 14.6 5.6 55 9.0 9.6 285 8 294.2 295.3 286.1 312.1 6.17 5 880 1207 13.8 -1.2 35 15.0 6.4 11 6 297.6 298.4 285.1 309.5 3.98 6 850 1499 11.6 -2.4 38 14.0 4.9 70 4 298.3 299.0 285.2 309.6 3.77 7 805 1952 9.4 -8.6 27 18.0 1.8 119 7 300.6 301.1 284.7 308.3 2.48 8 777 2245 8.4 -12.6 21 21.0 0.3 151 9 302.6 303.0 284.8 308.5 1.87 9 742 2625 6.8 -5.2 42 12.0 1.3 192 11 304.9 305.5 287.3 315.7 3.50 10 700 3100 2.6 -5.4 56 8.0 -1.0 245 14 305.4 306.0 287.6 316.7 3.65 11 699 3112 2.4 -5.6 55 8.0 -1.2 245 14 305.3 305.9 287.6 316.4 3.60 12 566 4769 -10.7 -21.7 40 11.0 -13.7 258 26 308.8 309.1 286.3 312.8 1.19 13 536 5185 -13.1 -24.1 39 11.0 -15.8 261 29 310.8 311.0 286.8 314.2 1.02 14 518 5443 -14.3 -22.3 51 8.0 -16.4 263 31 312.4 312.7 287.6 316.6 1.23 15 500 5710 -15.9 -25.9 42 10.0 -18.2 265 33 313.7 313.8 287.7 316.8 0.93 16 443 6610 -22.1 -43.1 13 21.0 -24.6 262 38 316.9 316.9 287.9 317.6 0.19 17 424 6930 -24.7 -41.7 19 17.0 -26.7 261 40 317.6 317.6 288.2 318.4 0.23 18 400 7350 -28.7 -40.7 31 12.0 -30.0 260 43 317.7 317.7 288.3 318.7 0.27 19 392 7495 -30.1 -41.1 33 11.0 -31.3 259 45 317.7 317.8 288.3 318.7 0.27 20 385 7623 -31.1 -40.1 41 9.0 -32.1 259 47 318.0 318.1 288.5 319.1 0.30 21 380 7716 -31.3 -35.9 64 4.6 -31.9 258 49 319.0 319.0 288.9 320.6 0.47 22 358 8136 -34.3 -37.5 73 3.2 -34.7 256 55 320.4 320.5 289.3 322.0 0.42 23 325 8809 -38.1 -43.1 59 5.0 -38.5 253 65 324.2 324.2 290.3 325.1 0.26 24 310 9135 -38.1 -43.1 59 5.0 -38.5 251 70 328.6 328.6 291.6 329.6 0.27 25 300 9360 -39.5 -44.3 60 4.8 -39.9 250 74 329.7 329.7 291.9 330.6 0.25 26 297 9428 -40.1 -44.6 62 4.5 -40.5 251 74 329.8 329.8 291.9 330.7 0.24 27 250 10570 -49.9 260 72 331.9 28 200 11990 -61.3 255 82 335.7 29 191 12276 -63.5 260 78 336.6 30 175 12820 -59.9 265 82 351.1 31 171 12965 -58.9 266 80 355.0 32 150 13790 -59.3 270 70 367.9 33 146 13959 -58.7 271 68 371.8 34 134 14499 -56.3 273 62 385.3 35 111 15677 -61.9 277 48 396.1 36 107 15906 -57.9 278 46 407.9 37 100 16330 -59.5 280 41 412.8 38 80 17704 -65.1 277 33 428.4 39 70 18520 -63.1 275 29 449.4 40 67 18792 -61.5 273 27 458.5 41 53 20263 -58.3 263 15 497.7 42 50 20630 -59.9 260 12 502.3 43 44 21435 -57.3 301 12 527.4 44 30 23870 -55.7 65 12 592.8 45 27 24544 -55.1 61 10 612.6 46 22 25868 -50.7 54 7 662.7 47 20 26490 -51.3 50 6 679.1 48 15 28359 -51.7 21 9 736.1 49 10 31010 -48.5 340 14 838.5 50 9.7 31211 -47.1 851.1 TRP 191 12276 -63.5 260 78 336.6 WND 175 12820 -59.9 265 82 351.1 Sounding variables and indices 1000-500 mb thick: 5582.00 m Freezing level: 674.63 mb = 3415.17 m = 11204.50 ft Wetbulb zero: 718.25 mb = 2890.14 m = 9481.95 ft Precipitable water: 0.76 inches Sfc-500 mean rel hum: 45.57 % Est. max temperature: 25.90 C = 78.62 F Sfc-Lift cond lev (LCL): 939.12 mb = 658.03 m = 2158.86 ft T: 15.31 C 700-500 lapse rate: 7.09 C/km ThetaE index: 3.57 C Layer 941.0- 850.0 mb Conv cond level (CCL): 716.16 mb = 2913.88 m = 9559.86 ft Mean mixing ratio: 7.27 g/kg Conv temperature: 33.08 C = 91.55 F Cap Strength: 7.19 C Lifted Index: 5.17 C Risk: None Lifted Index @300 mb: 12.86 C Lifted Index @700 mb: 5.74 C Showalter Index: 6.64 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 27.50 C Cross Totals Index: 13.50 C K Index: 17.10 Risk: < 20 % chance of thunderstorms Sweat Index: 41.00 Risk: None Energy Index: 1.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.74 J/kg Max Up Vert Vel: 7.45 m/s Conv Inhibition (B-): 53405.67 J/kg Cap Strength: 7.15 C Lift Cond Lev (LCL): 874.83 mb = 1257.01 m = 4123.99 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 290 at 12 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 1012 27 270 4 4.0 -0.0 | 119 8 -7.3 4.1 1 1000 128 265 2 2.0 0.2 | 115 10 -9.3 4.3 2 925 786 285 8 7.7 -2.1 | 120 4 -3.6 2.1 3 850 1499 70 4 -3.8 -1.4 | 100 15 -15.0 2.8 4 700 3100 245 14 12.7 5.9 | 188 10 1.4 10.0 5 500 5710 265 33 32.9 2.9 | 252 23 21.6 7.0 6 400 7350 260 43 42.3 7.5 | 250 33 31.1 11.6 7 300 9360 250 74 69.5 25.3 | 243 65 58.3 29.4 8 250 10570 260 72 70.9 12.5 | 254 62 59.6 16.6 9 200 11990 255 82 79.2 21.2 | 250 72 67.9 25.3 10 191 12276 260 78 76.8 13.5 | 255 68 65.5 17.7 11 175 12820 265 82 81.7 7.1 | 261 71 70.4 11.3 12 150 13790 270 70 70.0 -0.0 | 266 59 58.7 4.1 13 100 16330 280 41 40.4 -7.1 | 276 29 29.1 -3.0 14 70 18520 275 29 28.9 -2.5 | 265 18 17.6 1.6 15 50 20630 260 12 11.8 2.1 | 185 6 0.5 6.2 16 30 23870 65 12 -10.9 -5.1 | 88 22 -22.2 -1.0 17 20 26490 50 6 -4.6 -3.9 | 91 16 -15.9 0.3 18 10 31010 340 14 4.8 -13.2 | 36 11 -6.5 -9.0 Wind Parameters Mean winds (0-6000m): 260.1 at 16.0 knts Storm direction: 290.1 at 12.0 knts Shear (0-3000m) pos: 1.8 neg: 0.0 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 60.9 deg Storm rel helicity (0-3000m) pos: 128.6 neg: -7.1 tot: 121.5 m^2/s^2 ave: 40.5 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 4.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.34 Bulk Shear: 20.63 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 ------------------------------------------------------------------------------- 500 273 4 117 9| 1.8 0.0 1.8| 2.2 -1.8 0.3 0.7 0.03| 5.9 0.2 1000 288 5 112 7| 3.1 0.0 3.1| 2.2 -7.1 -4.9 -4.9 -0.26| 7.4 -1.9 1500 291 5 109 7| 2.8 0.0 2.8| 21.8 -7.1 14.6 9.7 0.07| 8.1 0.6 2000 293 5 108 7| 2.8 0.0 2.8| 45.2 -7.1 38.1 19.0 0.22| 7.7 1.7 2500 230 6 141 10| 2.3 0.0 2.3| 89.6 -7.1 82.5 33.0 0.40| 8.0 3.2 3000 255 7 143 7| 1.8 0.0 1.8|128.6 -7.1 121.5 40.5 0.50| 8.7 4.3 4000 255 10 163 7| 2.2 0.0 2.2|151.9 -7.1 144.7 36.2 0.55| 7.7 4.2 5000 256 13 188 7| 2.5 0.0 2.5|177.5 -7.1 170.3 34.1 0.57| 7.0 4.0 6000 260 16 213 8| 2.7 0.0 2.7|199.5 -8.0 191.5 31.9 0.57| 6.5 3.7 Wrote GIF file: /home/apache/climate/data/raob//RJ646/skewt/RJ646.skewt.20250418.00.gif