UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011800.upa.cvt Date: 0000Z 18 JAN 26 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 18 JAN 26 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 91 -10.7 -13.2 82 2.5 -11.3 315 3 261.0 261.2 260.7 264.6 1.35 1 1000 243 -12.1 -16.6 69 4.5 -13.0 325 5 261.0 261.2 260.2 263.9 1.04 2 982 382 -13.3 -17.8 69 4.5 -14.2 326 9 261.2 261.4 260.1 263.8 0.96 3 945 675 -12.1 -16.4 70 4.3 -13.0 329 17 265.3 265.5 263.5 268.4 1.12 4 925 838 -12.9 -16.6 74 3.7 -13.7 330 21 266.1 266.3 264.1 269.2 1.13 5 892 1115 -14.3 -17.6 76 3.3 -15.0 330 19 267.5 267.6 265.0 270.5 1.07 6 850 1482 -12.3 -14.9 81 2.6 -12.9 330 17 273.3 273.5 269.4 277.3 1.41 7 846 1518 -12.1 -14.7 81 2.6 -12.8 330 17 273.8 274.1 269.9 277.9 1.44 8 700 2946 -19.7 -22.8 76 3.1 -20.3 330 33 280.7 280.8 273.1 283.3 0.87 9 652 3470 -22.7 -25.7 76 3.0 -23.2 332 37 283.0 283.2 274.2 285.2 0.72 10 532 4927 -33.7 -37.0 72 3.3 -34.0 338 48 286.8 286.9 275.5 287.8 0.30 11 500 5360 -35.9 -39.3 71 3.4 -36.1 340 52 289.3 289.3 276.7 290.1 0.25 12 426 6458 -42.5 -47.5 58 5.0 -42.7 340 55 294.4 294.4 279.0 294.8 0.12 13 400 6880 -45.7 -50.7 57 5.0 -45.9 340 56 295.6 295.6 279.5 295.9 0.09 14 345 7847 -52.5 -58.5 48 6.0 -52.6 345 52 299.1 299.2 281.0 299.3 0.04 15 300 8740 -56.3 -62.3 47 6.0 -56.4 350 48 306.0 306.0 283.8 306.1 0.03 16 291 8934 -56.9 -62.9 47 6.0 -57.0 345 46 307.8 307.8 284.5 307.9 0.03 17 275 9294 -56.7 -62.7 47 6.0 -56.8 347 45 313.1 313.1 286.5 313.2 0.03 18 250 9900 -57.7 -63.7 46 6.0 -57.8 350 42 320.3 320.3 288.9 320.4 0.03 19 216 10819 -60.1 -67.1 39 7.0 -60.2 347 38 330.2 330.2 291.8 330.3 0.02 20 200 11300 -59.7 -66.7 40 7.0 -59.8 345 36 338.2 338.2 293.9 338.3 0.02 21 150 13100 -59.5 -67.5 35 8.0 -59.6 345 36 367.6 367.6 300.1 367.7 0.03 22 148 13184 -59.5 -67.5 35 8.0 -59.6 345 36 369.0 369.0 300.4 369.1 0.03 23 100 15590 -66.7 -74.7 32 8.0 -66.8 345 38 398.9 398.9 305.0 398.9 0.02 24 70 17720 -70.7 -78.7 30 8.0 -70.8 335 48 433.1 433.1 309.1 433.2 0.01 25 53 19345 -76.5 -84.5 27 8.0 -76.6 327 56 455.6 455.6 311.4 455.6 0.01 26 50 19680 -76.7 -84.7 27 8.0 -76.7 325 58 462.8 462.8 312.0 462.8 0.01 27 45 20286 -76.9 -85.3 25 8.3 -77.0 325 62 476.4 476.4 313.2 476.4 0.01 28 37 21410 -77.3 -86.3 22 9.0 -77.4 502.8 502.8 315.1 502.9 0.01 TRP 291 8934 -56.9 -62.9 47 6.0 -57.0 345 46 307.8 307.8 284.5 307.9 0.03 WND 45 20286 -76.9 -85.3 25 8.3 -77.0 325 62 476.4 476.4 313.2 476.4 0.01 Sounding variables and indices 1000-500 mb thick: 5117.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 75.32 % Est. max temperature: -1.17 C = 29.90 F Sfc-Lift cond lev (LCL): 979.78 mb = 398.89 m = 1308.69 ft T: -13.23 C 700-500 lapse rate: 6.71 C/km ThetaE index: 0.77 C Layer 1000.0- 945.0 mb Conv cond level (CCL): 685.94 mb = 3095.58 m = 10155.98 ft Mean mixing ratio: 1.09 g/kg Conv temperature: 9.79 C = 49.63 F Cap Strength: 17.49 C Lifted Index: 19.13 C Risk: None Lifted Index @300 mb: 28.29 C Lifted Index @700 mb: 14.03 C Showalter Index: 10.19 C Risk: None Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.60 C Cross Totals Index: 21.00 C K Index: 5.60 Risk: None Sweat Index: 86.00 Risk: None Energy Index: 2.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.35 J/kg Max Up Vert Vel: 6.69 m/s Conv Inhibition (B-): 36692.02 J/kg Cap Strength: 18.81 C Lift Cond Lev (LCL): 906.65 mb = 990.51 m = 3249.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 5 at 25 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 91 315 3 2.1 -2.1 | 191 23 4.4 22.8 1 1000 243 325 5 2.9 -4.1 | 194 21 5.1 20.9 2 925 838 330 21 10.5 -18.2 | 242 14 12.7 6.8 3 850 1482 330 17 8.5 -14.7 | 226 15 10.7 10.2 4 700 2946 330 33 16.5 -28.6 | 281 19 18.7 -3.6 5 500 5360 340 52 17.8 -48.9 | 320 31 20.0 -23.9 6 400 6880 340 56 19.2 -52.6 | 322 35 21.4 -27.7 7 300 8740 350 48 8.3 -47.3 | 335 25 10.6 -22.3 8 291 8934 345 46 11.9 -44.4 | 324 24 14.1 -19.5 9 250 9900 350 42 7.3 -41.4 | 330 19 9.5 -16.4 10 200 11300 345 36 9.3 -34.8 | 310 15 11.6 -9.8 11 150 13100 345 36 9.3 -34.8 | 310 15 11.6 -9.8 12 100 15590 345 38 9.8 -36.7 | 314 17 12.1 -11.7 13 70 17720 335 48 20.3 -43.5 | 309 29 22.5 -18.5 14 50 19680 325 58 33.3 -47.5 | 302 42 35.5 -22.5 Wind Parameters Mean winds (0-6000m): 335.1 at 33.4 knts Storm direction: 5.1 at 25.1 knts Shear (0-3000m) pos: 3.7 neg: 1.7 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 93.3 deg Storm rel helicity (0-3000m) pos: 135.0 neg: -13.6 tot: 121.3 m^2/s^2 ave: 40.4 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 4.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.26 Bulk Shear: 86.75 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 ------------------------------------------------------------------------------- 500 326 8 200 20| 11.8 0.0 11.8| 44.5 0.0 44.5 89.0 0.77| 11.8 9.1 1000 329 13 214 16| 8.5 0.0 8.5| 68.8 -4.7 64.0 64.0 0.72| 9.8 7.0 1500 329 15 219 16| 5.7 0.4 6.1| 72.9 -13.6 59.3 39.5 0.55| 7.7 4.3 2000 330 16 224 15| 4.3 1.1 5.3| 93.8 -13.6 80.2 40.1 0.64| 7.2 4.6 2500 330 18 232 15| 3.4 2.0 5.4|114.6 -13.6 101.0 40.4 0.69| 6.9 4.7 3000 330 21 241 14| 3.7 1.7 5.4|135.0 -13.6 121.3 40.4 0.71| 6.6 4.7 4000 331 25 258 15| 3.8 1.2 5.1|175.4 -13.6 161.8 40.4 0.73| 6.0 4.4 5000 333 29 275 16| 3.9 1.0 4.9|221.2 -13.6 207.6 41.5 0.74| 5.7 4.2 6000 335 33 288 17| 3.5 0.9 4.4|240.1 -13.6 226.5 37.8 0.72| 5.1 3.7 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20260118.00.gif