UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for U8661... Searching the city database file for: U8661 ... Date:1200Z 5 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 1020 72 0.8 -3.1 75 3.9 -0.7 160 1 272.4 272.9 271.4 280.5 2.98 1 1000 231 -0.5 -5.2 70 4.7 -2.1 220 5 272.6 273.1 271.0 279.8 2.59 2 925 848 -5.5 -8.5 79 3.0 -6.4 285 7 273.7 274.0 270.9 279.7 2.17 3 850 1504 -10.9 -12.9 85 2.0 -11.4 285 9 274.7 275.0 270.8 279.4 1.66 4 841 1586 -11.3 -13.1 87 1.8 -11.8 286 9 275.1 275.4 271.0 279.8 1.65 5 838 1613 -11.5 -13.4 86 1.9 -12.0 286 9 275.2 275.5 271.0 279.8 1.62 6 826 1724 -10.3 -14.7 70 4.4 -11.4 287 10 277.6 277.9 272.2 281.9 1.48 7 805 1924 -5.7 -19.7 32 14.0 -9.2 289 10 284.6 284.7 275.4 287.6 0.99 8 796 2012 -6.1 -23.1 25 17.0 -10.0 290 10 285.1 285.2 275.3 287.4 0.75 9 700 3006 -12.5 -25.5 33 13.0 -15.1 300 13 288.6 288.8 277.0 290.8 0.69 10 692 3094 -13.1 -25.1 36 12.0 -15.5 300 14 288.9 289.1 277.2 291.2 0.72 11 642 3660 -16.7 -31.7 26 15.0 -19.0 301 17 291.1 291.2 277.9 292.5 0.42 12 621 3909 -18.5 -33.5 26 15.0 -20.6 302 19 291.8 291.9 278.2 293.0 0.36 13 551 4794 -21.9 -45.9 9 24.0 -24.2 304 24 297.9 298.0 280.6 298.3 0.11 14 549 4821 -21.9 -45.9 9 24.0 -24.2 304 25 298.3 298.3 280.7 298.7 0.11 15 500 5500 -27.7 -39.7 31 12.0 -28.9 305 29 299.3 299.3 281.4 300.1 0.24 16 469 5958 -31.9 -42.9 33 11.0 -32.7 306 32 299.6 299.6 281.4 300.2 0.18 17 400 7070 -39.1 -44.1 59 5.0 -39.4 310 40 304.2 304.2 283.3 304.8 0.19 18 399 7087 -39.3 -44.3 59 5.0 -39.6 310 40 304.1 304.2 283.3 304.8 0.19 19 390 7243 -40.3 -45.3 59 5.0 -40.6 310 41 304.8 304.8 283.5 305.4 0.17 20 349 7991 -47.1 -52.1 56 5.0 -47.3 312 43 305.5 305.5 283.7 305.8 0.09 21 300 8980 -53.3 -58.3 54 5.0 -53.4 315 46 310.2 310.2 285.5 310.4 0.05 22 250 10120 -61.7 -66.7 51 5.0 -61.7 315 40 314.3 314.3 286.9 314.4 0.02 23 237 10451 -63.9 -68.9 50 5.0 -64.0 311 43 315.9 315.9 287.4 315.9 0.02 24 220 10908 -65.9 -70.9 50 5.0 -66.0 305 46 319.6 319.6 288.6 319.6 0.01 25 201 11460 -66.1 -71.1 49 5.0 -66.1 305 44 327.6 327.6 291.0 327.7 0.01 26 200 11490 -66.3 -71.3 49 5.0 -66.3 305 44 327.8 327.8 291.1 327.8 0.01 27 193 11705 -65.9 -71.9 43 6.0 -66.0 305 43 331.8 331.8 292.2 331.8 0.01 28 177 12234 -62.5 -68.5 44 6.0 -62.6 305 41 345.7 345.7 295.7 345.7 0.02 29 162 12777 -63.7 -69.7 44 6.0 -63.8 305 40 352.5 352.5 297.2 352.6 0.02 30 154 13088 -62.5 -68.5 44 6.0 -62.6 305 39 359.7 359.7 298.7 359.8 0.02 31 150 13250 -62.9 -68.9 44 6.0 -63.0 305 38 361.7 361.7 299.1 361.8 0.02 32 148 13333 -63.1 -69.1 44 6.0 -63.2 305 38 362.8 362.8 299.2 362.9 0.02 33 142 13588 -62.3 -68.3 44 6.0 -62.4 305 38 368.5 368.5 300.3 368.6 0.03 34 100 15750 -62.9 -69.9 38 7.0 -63.0 305 38 406.2 406.2 306.0 406.4 0.03 35 72 17758 -66.1 -73.1 37 7.0 -66.2 439.4 439.4 309.8 439.6 0.03 TRP 220 10908 -65.9 -70.9 50 5.0 -66.0 305 46 319.6 319.6 288.6 319.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5269.00 m Freezing level: 1007.69 mb = 170.03 m = 557.83 ft Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 41.39 % Est. max temperature: 2.86 C = 37.15 F Sfc-Lift cond lev (LCL): 959.82 mb = 555.56 m = 1822.67 ft T: -3.13 C 700-500 lapse rate: 6.09 C/km ThetaE index: 1.07 C Layer 1000.0- 841.0 mb Conv cond level (CCL): 898.34 mb = 1074.89 m = 3526.49 ft Mean mixing ratio: 2.45 g/kg Conv temperature: 2.47 C = 36.44 F Cap Strength: 16.22 C Lifted Index: 16.37 C Risk: None Lifted Index @300 mb: 21.56 C Lifted Index @700 mb: 10.33 C Showalter Index: 16.66 C Risk: None Total Totals Index: 31.60 C Risk: None Vertical Totals Index: 16.80 C Cross Totals Index: 14.80 C K Index: -9.10 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 4.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.12 J/kg Max Up Vert Vel: 2.50 m/s Conv Inhibition (B-): 21157.51 J/kg Cap Strength: 16.34 C Lift Cond Lev (LCL): 911.91 mb = 958.59 m = 3144.95 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 330 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 1020 72 160 1 -0.3 0.9 | 151 13 -6.4 11.4 1 1000 231 220 5 3.2 3.8 | 169 15 -2.9 14.3 2 925 848 285 7 6.8 -1.8 | 184 9 0.7 8.7 3 850 1504 285 9 8.7 -2.3 | 198 9 2.6 8.1 4 700 3006 300 13 11.3 -6.5 | 232 7 5.2 4.0 5 500 5500 305 29 23.8 -16.6 | 289 19 17.6 -6.2 6 400 7070 310 40 30.6 -25.7 | 302 29 24.5 -15.2 7 300 8980 315 46 32.5 -32.5 | 310 34 26.4 -22.0 8 250 10120 315 40 28.3 -28.3 | 309 28 22.2 -17.8 9 220 10908 305 46 37.7 -26.4 | 297 35 31.6 -15.9 10 200 11490 305 44 36.0 -25.2 | 296 33 29.9 -14.8 11 150 13250 305 38 31.1 -21.8 | 294 27 25.0 -11.3 12 100 15750 305 38 31.1 -21.8 | 294 27 25.0 -11.3 Wind Parameters Mean winds (0-6000m): 299.8 at 16.2 knts Storm direction: 329.8 at 12.1 knts Shear (0-3000m) pos: 2.4 neg: 0.0 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 85.3 deg Storm rel helicity (0-3000m) pos: 42.4 neg: 0.0 tot: 42.4 m^2/s^2 ave: 14.1 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 3.3 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.11 Bulk Shear: 29.16 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 ------------------------------------------------------------------------------- 500 234 5 170 13| 6.5 0.0 6.5| 25.6 0.0 25.6 51.1 0.81| 8.8 7.2 1000 263 6 178 11| 4.3 0.0 4.3| 29.9 0.0 29.9 29.9 0.68| 6.5 4.4 1500 273 7 183 10| 3.4 0.0 3.4| 33.2 0.0 33.2 22.2 0.71| 4.9 3.5 2000 279 7 188 9| 2.9 0.0 2.9| 36.3 0.0 36.3 18.1 0.73| 4.1 3.0 2500 283 8 192 9| 2.6 0.0 2.6| 39.2 0.0 39.2 15.7 0.75| 3.6 2.7 3000 287 9 197 8| 2.4 0.0 2.4| 42.4 0.0 42.4 14.1 0.77| 3.3 2.5 4000 293 11 212 7| 2.7 0.0 2.7| 53.2 0.0 53.2 13.3 0.77| 3.3 2.5 5000 297 13 233 7| 2.8 0.0 2.8| 65.1 0.0 65.1 13.0 0.72| 3.3 2.4 6000 300 16 253 8| 2.9 0.0 2.9| 81.0 0.0 81.0 13.5 0.67| 3.4 2.2 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251205.12.gif