UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for U8661... Searching the city database file for: U8661 ... Date:1200Z 27 APR 25 Station: U8661 WMO ident: 28661 Latitude: 55.47 Longitude: 65.40 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 45 340 3 SFC 997 70 16.4 4.4 45 12.0 10.0 340 3 289.8 290.7 283.4 304.9 5.26 2 925 695 7.4 1.4 66 6.0 4.5 115 3 286.9 287.7 281.3 299.9 4.57 3 916 776 10.0 5.0 71 5.0 7.3 122 3 290.3 291.4 284.4 307.4 5.97 4 906 867 10.4 6.4 76 4.0 8.2 130 4 291.7 292.9 285.6 310.8 6.66 5 858 1318 8.6 2.6 66 6.0 5.5 168 7 294.4 295.3 285.4 310.1 5.38 6 850 1395 8.0 2.0 66 6.0 4.9 175 7 294.5 295.5 285.2 309.7 5.20 7 826 1631 6.2 1.2 70 5.0 3.7 168 8 295.0 296.0 285.2 309.9 5.05 8 798 1912 3.6 -0.5 75 4.1 1.7 159 8 295.2 296.0 284.9 308.8 4.62 9 793 1963 3.4 -0.6 75 4.0 1.5 157 8 295.5 296.3 285.0 309.1 4.62 10 788 2014 3.8 -0.3 75 4.1 1.8 155 9 296.5 297.3 285.5 310.5 4.75 11 771 2192 4.6 -5.4 48 10.0 0.2 150 9 299.2 299.8 285.0 309.2 3.31 12 761 2298 3.8 -9.2 38 13.0 -1.4 147 9 299.5 299.9 284.2 307.1 2.50 13 745 2470 3.0 -12.0 32 15.0 -2.6 141 10 300.4 300.8 284.1 306.8 2.04 14 722 2724 1.4 -10.6 40 12.0 -3.2 133 10 301.4 301.8 284.8 308.7 2.36 15 705 2916 1.8 -17.2 23 19.0 -4.6 127 11 303.9 304.1 284.7 308.4 1.41 16 700 2973 1.2 -19.8 19 21.0 -5.4 125 11 303.8 304.0 284.4 307.5 1.13 17 645 3624 -3.9 -28.9 12 25.0 -9.8 134 11 305.2 305.3 284.2 307.1 0.54 18 611 4049 -6.3 -29.3 14 23.0 -11.6 139 12 307.2 307.3 285.0 309.1 0.55 19 500 5580 -18.3 -46.3 7 28.0 -21.6 160 13 310.7 310.7 285.7 311.2 0.12 20 471 6021 -21.5 -50.5 5 29.0 -24.3 159 14 312.1 312.1 286.2 312.4 0.08 21 438 6550 -25.3 -54.3 5 29.0 -27.6 157 15 313.9 313.9 286.8 314.1 0.05 22 400 7200 -30.3 -46.3 19 16.0 -31.7 155 17 315.6 315.6 287.5 316.2 0.15 23 390 7380 -32.3 -45.3 26 13.0 -33.4 162 17 315.3 315.3 287.4 315.9 0.17 24 371 7732 -33.5 -43.5 36 10.0 -34.4 175 16 318.2 318.3 288.4 319.0 0.22 25 365 7846 -34.3 -44.3 36 10.0 -35.1 179 16 318.6 318.7 288.5 319.4 0.20 26 364 7865 -34.3 -44.3 36 10.0 -35.1 180 16 318.9 318.9 288.6 319.7 0.20 27 342 8299 -37.3 -48.3 31 11.0 -38.0 196 16 320.6 320.6 289.0 321.1 0.14 28 326 8629 -40.1 -52.1 27 12.0 -40.7 208 16 321.1 321.1 289.2 321.5 0.09 29 300 9190 -45.7 -58.7 22 13.0 -46.1 230 15 320.9 321.0 289.1 321.1 0.05 30 291 9391 -47.7 -60.7 21 13.0 -48.0 229 16 320.9 320.9 289.0 321.1 0.04 31 250 10370 -56.7 -69.7 18 13.0 -56.9 225 23 321.8 321.8 289.3 321.8 0.01 32 231 10868 -61.3 -73.3 19 12.0 -61.4 230 23 322.1 322.1 289.4 322.2 0.01 33 218 11231 -59.7 -71.7 20 12.0 -59.8 240 30 330.0 330.0 291.7 330.0 0.01 34 213 11377 -56.5 -68.5 21 12.0 -56.7 244 33 337.2 337.2 293.6 337.2 0.02 35 205 11622 -55.1 -67.1 21 12.0 -55.3 251 37 343.1 343.1 295.1 343.2 0.02 36 200 11780 -56.1 -68.1 21 12.0 -56.3 255 40 343.9 343.9 295.3 344.0 0.02 37 195 11941 -54.5 -66.5 21 12.0 -54.7 254 39 349.0 349.0 296.4 349.1 0.03 38 150 13630 -51.5 -69.5 10 18.0 -52.0 245 29 381.3 381.3 302.5 381.4 0.02 39 100 16260 -52.9 -75.9 5 23.0 -53.5 255 31 425.5 425.5 308.3 425.6 0.01 40 95 16590 -53.1 -76.1 4 23.0 -53.8 256 30 431.4 431.4 309.0 431.5 0.01 41 70 18540 -56.5 -79.5 4 23.0 -57.1 260 25 463.5 463.5 312.1 463.6 0.01 42 64 19109 -57.3 -80.3 4 23.0 -57.9 257 23 473.8 473.8 313.0 473.8 0.01 43 61 19413 -58.3 -81.3 4 23.0 -58.9 256 23 478.1 478.1 313.3 478.2 0.01 44 59 19623 -58.3 -81.3 4 23.0 -58.9 255 22 482.7 482.7 313.7 482.7 0.01 45 54 20183 -57.7 -80.7 4 23.0 -58.4 252 20 496.5 496.5 314.7 496.5 0.01 46 50 20670 -57.1 -80.1 4 23.0 -57.9 250 19 508.9 508.9 315.6 509.0 0.01 47 47 21060 -58.3 -81.3 4 23.0 -59.0 252 18 515.1 515.1 316.0 515.2 0.01 48 46 21196 -56.1 -80.1 3 24.0 -57.1 252 17 523.6 523.6 316.5 523.7 0.01 49 43 21623 -57.3 -80.3 4 23.0 -58.2 254 16 530.9 530.9 317.0 531.0 0.01 50 30 23910 -54.7 -78.7 4 24.0 -56.3 265 9 595.5 595.5 320.4 595.7 0.03 51 26 24827 -54.3 -78.3 4 24.0 -56.2 272 10 621.5 621.5 321.6 621.8 0.03 52 21 26196 -54.3 -78.3 4 24.0 -56.5 283 13 660.7 660.7 323.1 661.0 0.04 53 20 26510 -53.1 -77.1 4 24.0 -55.6 285 13 673.6 673.7 323.6 674.1 0.05 54 15 28384 -48.3 -74.3 3 26.0 -53.0 747.4 747.4 325.9 748.4 0.11 55 14 28840 -47.5 -73.5 3 26.0 -52.7 765.0 765.0 326.4 766.2 0.13 TRP 231 10868 -61.3 -73.3 19 12.0 -61.4 230 23 322.1 322.1 289.4 322.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5535.00 m Freezing level: 687.06 mb = 3126.19 m = 10256.41 ft Wetbulb zero: 769.76 mb = 2204.75 m = 7233.34 ft Precipitable water: 0.58 inches Sfc-500 mean rel hum: 35.18 % Est. max temperature: 21.19 C = 70.14 F Sfc-Lift cond lev (LCL): 832.58 mb = 1565.29 m = 5135.39 ft T: 6.70 C 700-500 lapse rate: 7.48 C/km ThetaE index: 4.97 C Layer 925.0- 916.0 mb Conv cond level (CCL): 674.86 mb = 3263.96 m = 10708.40 ft Mean mixing ratio: 5.25 g/kg Conv temperature: 31.04 C = 87.88 F Cap Strength: 8.64 C Lifted Index: 7.93 C Risk: None Lifted Index @300 mb: 12.17 C Lifted Index @700 mb: 8.45 C Showalter Index: 4.18 C Risk: None Total Totals Index: 46.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 20.30 C K Index: 7.30 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 0.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.28 J/kg Max Up Vert Vel: 5.34 m/s Conv Inhibition (B-): 47972.82 J/kg Cap Strength: 8.54 C Lift Cond Lev (LCL): 842.26 mb = 1470.22 m = 4823.51 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 176 at 7 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 ---------------------------------------------------------- 0 997 70 340 3 1.0 -2.8 | 351 10 1.5 -10.1 1 925 695 115 3 -2.7 1.3 | 20 6 -2.2 -6.0 2 850 1395 175 7 -0.6 7.0 | 21 0 -0.1 -0.3 3 700 2973 125 11 -9.0 6.3 | 84 9 -8.5 -0.9 4 500 5580 160 13 -4.4 12.2 | 142 6 -3.9 5.0 5 400 7200 155 17 -7.2 15.4 | 141 11 -6.7 8.2 6 300 9190 230 15 11.5 9.6 | 259 12 12.0 2.4 7 250 10370 225 23 16.3 16.3 | 242 19 16.8 9.0 8 231 10868 230 23 17.6 14.8 | 247 20 18.1 7.5 9 200 11780 255 40 38.6 10.4 | 265 39 39.1 3.1 10 150 13630 245 29 26.3 12.3 | 259 27 26.8 5.0 11 100 16260 255 31 29.9 8.0 | 269 30 30.5 0.8 12 70 18540 260 25 24.6 4.3 | 277 25 25.1 -2.9 13 50 20670 250 19 17.9 6.5 | 272 18 18.4 -0.7 14 30 23910 265 9 9.0 0.8 | 304 11 9.5 -6.5 15 20 26510 285 13 12.6 -3.4 | 309 17 13.1 -10.6 Wind Parameters Mean winds (0-6000m): 146.0 at 9.7 knts Storm direction: 176.0 at 7.3 knts Shear (0-3000m) pos: 1.8 neg: 1.3 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 94.0 deg Storm rel helicity (0-3000m) pos: 15.3 neg: -2.9 tot: 12.3 m^2/s^2 ave: 4.1 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.77 Bulk Shear: 18.50 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 16 3 2 10| 5.0 0.0 5.0| 11.7 0.0 11.7 23.5 0.82| 5.8 4.7 1000 110 3 24 7| 4.2 0.0 4.2| 14.4 0.0 14.4 14.4 0.63| 5.2 3.3 1500 153 4 25 4| 3.6 0.0 3.6| 14.7 -0.0 14.7 9.8 0.51| 4.8 2.5 2000 156 5 34 3| 2.7 0.7 3.3| 14.7 -0.1 14.6 7.3 0.43| 4.3 1.9 2500 151 6 53 3| 2.1 1.1 3.2| 14.7 -1.0 13.7 5.5 0.33| 4.0 1.3 3000 143 7 65 4| 1.8 1.3 3.1| 15.3 -2.9 12.3 4.1 0.26| 3.8 1.0 4000 139 8 76 5| 1.6 1.0 2.6| 20.6 -2.9 17.7 4.4 0.33| 3.2 1.1 5000 142 9 87 5| 1.5 0.8 2.3| 25.8 -2.9 22.9 4.6 0.40| 2.9 1.2 6000 146 10 99 5| 1.4 0.7 2.1| 28.5 -2.9 25.6 4.3 0.41| 2.7 1.1 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20250427.12.gif