UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 8 DEC 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 ------------------------------------------------------------------------------- SFC 1019 73 -11.5 -13.8 83 2.3 -12.0 60 5 260.2 260.4 260.0 263.7 1.29 1 1000 217 -13.1 -17.2 71 4.1 -13.9 80 11 260.0 260.2 259.3 262.7 0.99 2 971 440 -15.3 -18.5 76 3.2 -15.9 99 9 260.0 260.2 259.1 262.5 0.91 3 964 495 -13.7 -16.8 77 3.1 -14.3 104 9 262.2 262.4 261.0 265.1 1.06 4 957 551 -8.3 -11.0 81 2.7 -9.0 108 9 268.2 268.5 266.6 272.9 1.72 5 952 592 -6.9 -9.1 84 2.2 -7.5 112 8 270.0 270.4 268.4 275.5 2.01 6 925 816 -7.7 -8.9 91 1.2 -8.1 130 7 271.4 271.8 269.4 277.2 2.10 7 907 969 -8.9 -10.0 92 1.1 -9.2 133 8 271.7 272.1 269.4 277.2 1.97 8 850 1468 -12.3 -14.2 86 1.9 -12.8 145 11 273.3 273.5 269.6 277.5 1.50 9 793 1996 -15.5 -17.8 82 2.3 -16.0 149 9 275.3 275.5 270.4 278.7 1.19 10 777 2150 -14.5 -16.5 85 2.0 -15.0 150 8 278.0 278.2 272.3 281.9 1.35 11 700 2934 -19.3 -22.0 79 2.7 -19.8 155 5 281.1 281.3 273.4 283.9 0.94 12 669 3270 -21.3 -24.2 77 2.9 -21.8 170 7 282.5 282.7 274.0 285.0 0.81 13 500 5350 -37.9 -41.0 73 3.1 -38.1 270 21 286.8 286.9 275.4 287.5 0.21 14 463 5875 -41.7 -44.8 72 3.1 -41.8 267 30 288.5 288.5 276.1 289.0 0.15 15 437 6266 -41.9 -45.3 69 3.4 -42.1 264 36 293.0 293.1 278.4 293.5 0.15 16 400 6860 -45.1 -49.9 58 4.8 -45.3 260 46 296.4 296.4 279.9 296.7 0.10 17 300 8730 -56.7 -63.7 41 7.0 -56.8 265 56 305.4 305.4 283.6 305.5 0.02 18 272 9346 -60.7 -67.7 39 7.0 -60.7 268 50 308.3 308.3 284.7 308.4 0.02 19 258 9675 -61.9 -68.9 39 7.0 -62.0 270 46 311.2 311.2 285.8 311.3 0.01 20 250 9870 -62.1 -70.1 34 8.0 -62.1 275 44 313.7 313.7 286.6 313.8 0.01 21 238 10173 -62.1 -70.1 34 8.0 -62.1 277 43 318.2 318.2 288.2 318.2 0.01 22 229 10411 -61.9 -69.9 34 8.0 -62.0 279 42 322.0 322.0 289.4 322.1 0.01 23 200 11250 -59.7 -67.7 35 8.0 -59.8 285 40 338.2 338.2 293.9 338.3 0.02 24 187 11673 -58.9 -66.9 35 8.0 -59.0 285 38 346.1 346.1 295.8 346.2 0.03 25 161 12616 -58.9 -66.9 35 8.0 -59.0 285 33 361.2 361.2 299.0 361.3 0.03 26 150 13060 -60.7 -68.7 34 8.0 -60.8 285 31 365.5 365.5 299.8 365.6 0.02 27 138 13576 -62.3 -71.3 29 9.0 -62.4 283 33 371.5 371.5 300.8 371.6 0.02 28 128 14039 -61.9 -70.9 29 9.0 -62.0 281 35 380.3 380.3 302.3 380.4 0.02 29 117 14593 -62.7 -71.7 29 9.0 -62.9 279 38 388.7 388.7 303.6 388.8 0.02 30 114 14753 -62.5 -71.5 29 9.0 -62.6 278 38 392.0 392.0 304.1 392.1 0.02 31 112 14862 -62.3 -71.3 29 9.0 -62.4 278 39 394.4 394.4 304.5 394.5 0.02 32 110 14973 -62.5 -71.5 29 9.0 -62.6 277 39 396.0 396.0 304.7 396.1 0.02 33 108 15086 -62.3 -71.3 29 9.0 -62.4 277 40 398.5 398.5 305.0 398.6 0.02 34 106 15201 -62.7 -71.7 29 9.0 -62.9 276 40 399.9 399.9 305.2 400.0 0.02 35 104 15319 -62.3 -71.3 29 9.0 -62.4 276 41 402.8 402.8 305.6 402.9 0.02 36 102 15438 -62.7 -72.7 25 10.0 -62.9 275 41 404.3 404.3 305.8 404.4 0.02 37 101 15499 -62.7 -72.7 25 10.0 -62.9 275 42 405.4 405.4 305.9 405.5 0.02 38 100 15560 -62.9 -72.9 25 10.0 -63.1 275 42 406.2 406.2 306.0 406.3 0.02 39 81 16850 -65.5 -75.5 24 10.0 -65.7 426.1 426.1 308.4 426.2 0.02 TRP 258 9675 -61.9 -68.9 39 7.0 -62.0 270 46 311.2 311.2 285.8 311.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5133.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 79.70 % Est. max temperature: 1.07 C = 33.92 F Sfc-Lift cond lev (LCL): 981.88 mb = 355.72 m = 1167.03 ft T: -14.47 C 700-500 lapse rate: 7.70 C/km ThetaE index: 1.18 C Layer 1000.0- 964.0 mb Conv cond level (CCL): 1000.00 mb = 217.00 m = 711.93 ft Mean mixing ratio: 1.45 g/kg Conv temperature: -11.23 C = 11.78 F Cap Strength: 13.25 C Lifted Index: 15.11 C Risk: None Lifted Index @300 mb: 26.13 C Lifted Index @700 mb: 12.32 C Showalter Index: 8.02 C Risk: None Total Totals Index: 49.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.60 C Cross Totals Index: 23.70 C K Index: 8.70 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 2.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 70.59 J/kg Max Up Vert Vel: 11.88 m/s Conv Inhibition (B-): 23905.72 J/kg Cap Strength: 15.06 C Lift Cond Lev (LCL): 935.74 mb = 726.09 m = 2382.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 263 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 1019 73 60 5 -4.3 -2.5 | 75 14 -13.7 -3.6 1 1000 217 80 11 -10.8 -1.9 | 81 20 -20.2 -3.0 2 925 816 130 7 -5.4 4.5 | 103 15 -14.8 3.4 3 850 1468 145 11 -6.3 9.0 | 117 18 -15.7 7.9 4 700 2934 155 5 -2.1 4.5 | 106 12 -11.5 3.4 5 500 5350 270 21 21.0 -0.0 | 276 12 11.6 -1.1 6 400 6860 260 46 45.3 8.0 | 259 37 35.9 6.9 7 300 8730 265 56 55.8 4.9 | 265 47 46.4 3.8 8 258 9675 270 46 46.0 -0.0 | 272 37 36.6 -1.1 9 250 9870 275 44 43.8 -3.8 | 278 35 34.4 -5.0 10 200 11250 285 40 38.6 -10.4 | 291 31 29.2 -11.5 11 150 13060 285 31 29.9 -8.0 | 294 22 20.5 -9.1 12 100 15560 275 42 41.8 -3.7 | 278 33 32.4 -4.8 Wind Parameters Mean winds (0-6000m): 233.2 at 12.6 knts Storm direction: 263.2 at 9.5 knts Shear (0-3000m) pos: 1.5 neg: 0.0 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 36.5 deg Storm rel helicity (0-3000m) pos: 62.1 neg: -8.8 tot: 53.4 m^2/s^2 ave: 17.8 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 1.9 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 1.22 Bulk Shear: 57.89 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 88 9 86 19| 6.8 0.0 6.8| 33.0 0.0 33.0 66.0 0.58| 11.8 6.9 1000 104 9 93 18| 4.5 0.0 4.5| 47.9 0.0 47.9 47.9 0.63| 8.3 5.2 1500 119 9 101 18| 3.9 0.0 3.9| 59.1 -0.4 58.7 39.1 0.65| 6.7 4.3 2000 127 9 105 17| 2.5 0.0 2.5| 59.1 -2.9 56.1 28.1 0.56| 5.6 3.1 2500 131 9 106 17| 1.7 0.0 1.7| 59.1 -6.4 52.7 21.1 0.47| 4.9 2.3 3000 134 8 107 16| 1.5 0.0 1.5| 62.1 -8.8 53.4 17.8 0.44| 4.5 1.9 4000 150 9 114 15| 2.2 0.0 2.2| 92.5 -8.8 83.7 20.9 0.59| 4.6 2.7 5000 186 10 137 12| 2.5 0.0 2.5|128.4 -8.8 119.6 23.9 0.70| 5.2 3.7 6000 233 13 186 6| 2.5 0.7 3.2|141.2 -21.5 119.7 19.9 0.56| 5.8 3.2 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251208.00.gif