UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 20 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 52 210 5 SFC 998 69 8.8 3.8 71 5.0 6.3 210 5 282.1 283.0 279.6 296.1 5.03 2 973 281 15.4 8.4 63 7.0 11.4 238 18 290.8 292.1 285.7 311.1 7.12 3 966 342 16.2 8.2 59 8.0 11.6 246 22 292.2 293.5 286.2 312.5 7.07 4 928 683 15.6 5.6 51 10.0 10.0 291 42 295.0 296.1 286.4 312.9 6.15 5 925 710 15.2 5.2 51 10.0 9.7 295 44 294.9 295.9 286.2 312.3 6.00 6 920 756 14.8 4.8 51 10.0 9.3 295 43 294.9 296.0 286.1 312.0 5.86 7 850 1419 8.8 1.8 61 7.0 5.2 290 36 295.4 296.3 285.5 310.4 5.13 8 793 1988 3.6 0.2 78 3.4 2.0 297 36 295.7 296.6 285.4 310.1 4.90 9 780 2123 2.4 -0.8 79 3.2 0.9 299 36 295.8 296.7 285.1 309.5 4.63 10 762 2311 1.0 -1.6 83 2.6 -0.2 301 36 296.3 297.1 285.1 309.5 4.46 11 700 2989 -3.1 -7.2 73 4.1 -4.7 310 36 299.1 299.6 284.8 308.7 3.18 12 656 3499 -7.3 -10.2 80 2.9 -8.4 307 40 299.9 300.4 284.6 308.1 2.68 13 638 3715 -7.7 -9.9 84 2.2 -8.5 306 42 301.9 302.4 285.5 310.6 2.82 14 564 4668 -10.9 -38.9 8 28.0 -15.6 300 50 308.9 309.0 285.2 309.8 0.23 15 562 4695 -11.1 -39.1 8 28.0 -15.7 300 50 309.0 309.0 285.2 309.8 0.23 16 500 5580 -18.5 -37.5 17 19.0 -21.3 295 58 310.5 310.5 285.9 311.6 0.30 17 400 7200 -32.5 -52.5 12 20.0 -33.7 300 52 312.7 312.8 286.4 313.0 0.07 18 352 8085 -39.9 -59.9 10 20.0 -40.6 304 51 314.4 314.4 286.9 314.6 0.03 19 339 8339 -43.7 -63.7 9 20.0 -44.2 306 51 312.6 312.6 286.3 312.7 0.02 20 300 9150 -48.3 -60.3 24 12.0 -48.6 310 50 317.3 317.3 287.9 317.4 0.04 21 297 9216 -49.1 -60.1 27 11.0 -49.4 310 50 317.1 317.1 287.8 317.2 0.04 22 250 10320 -60.1 -68.1 34 8.0 -60.2 315 56 316.7 316.7 287.7 316.8 0.02 23 210 11392 -68.1 -75.1 36 7.0 -68.1 325 54 320.4 320.4 288.9 320.4 0.01 24 200 11690 -62.5 -69.5 38 7.0 -62.6 320 40 333.8 333.8 292.7 333.9 0.02 25 150 13470 -59.7 -67.7 35 8.0 -59.9 305 38 367.2 367.2 300.1 367.4 0.03 26 100 16030 -57.9 -69.9 20 12.0 -58.2 325 29 415.9 415.9 307.2 416.0 0.03 27 70 18290 -56.9 -73.9 10 17.0 -57.5 325 27 462.7 462.7 312.0 462.8 0.02 28 53 20050 -54.9 -74.9 7 20.0 -55.8 325 20 505.6 505.6 315.4 505.8 0.03 29 52 20171 -55.7 -75.7 7 20.0 -56.6 325 20 506.5 506.5 315.4 506.7 0.03 30 50 20420 -55.5 -76.5 6 21.0 -56.4 325 19 512.7 512.7 315.8 512.8 0.02 31 33 23066 -55.9 -79.9 3 24.0 -57.2 317 16 576.3 576.3 319.5 576.5 0.02 32 30 23670 -57.9 -80.9 4 23.0 -59.0 315 15 586.8 586.8 320.0 586.9 0.02 33 28 24104 -58.9 -81.9 4 23.0 -60.0 310 17 595.7 595.7 320.4 595.8 0.02 34 24 25082 -54.7 -78.7 4 24.0 -56.6 298 21 634.8 634.8 322.1 635.0 0.03 35 20 26240 -57.9 -80.9 4 23.0 -59.5 285 25 658.9 659.0 323.0 659.2 0.03 36 19 26563 -58.7 -81.7 4 23.0 -60.2 666.2 666.2 323.3 666.4 0.03 37 17 27262 -58.5 -81.5 4 23.0 -60.2 688.4 688.4 324.0 688.6 0.03 38 16 27647 -54.1 -78.1 4 24.0 -56.9 714.8 714.8 324.9 715.3 0.06 39 14 28512 -49.7 -74.7 4 25.0 -54.1 757.5 757.6 326.1 758.5 0.11 40 12 29524 -48.5 -73.5 4 25.0 -53.8 795.9 796.0 327.2 797.4 0.15 41 11 30096 -48.5 -73.5 4 25.0 -54.1 816.0 816.0 327.7 817.6 0.17 TRP 210 11392 -68.1 -75.1 36 7.0 -68.1 325 54 320.4 320.4 288.9 320.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5528.00 m Freezing level: 746.88 mb = 2476.34 m = 8124.37 ft Wetbulb zero: 765.47 mb = 2274.30 m = 7461.51 ft Precipitable water: 0.75 inches Sfc-500 mean rel hum: 55.47 % Est. max temperature: 22.06 C = 71.71 F Sfc-Lift cond lev (LCL): 924.71 mb = 712.65 m = 2338.06 ft T: 15.18 C 700-500 lapse rate: 5.94 C/km ThetaE index: 3.40 C Layer 925.0- 762.0 mb Conv cond level (CCL): 793.11 mb = 1987.33 m = 6520.03 ft Mean mixing ratio: 6.27 g/kg Conv temperature: 22.41 C = 72.34 F Cap Strength: 4.43 C Lifted Index: 3.69 C Risk: None Lifted Index @300 mb: 5.23 C Lifted Index @700 mb: 0.92 C Showalter Index: 3.57 C Risk: None Total Totals Index: 47.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 20.30 C K Index: 25.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 151.60 Risk: None Energy Index: 0.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.89 J/kg Max Up Vert Vel: 9.26 m/s Conv Inhibition (B-): 51559.45 J/kg Cap Strength: 4.37 C Lift Cond Lev (LCL): 835.22 mb = 1562.87 m = 5127.48 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 328 at 31 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 ---------------------------------------------------------- 0 998 69 210 5 2.5 4.3 | 156 34 -13.9 31.1 1 925 710 295 44 39.9 -18.6 | 251 25 23.4 8.2 2 850 1419 290 36 33.8 -12.3 | 230 23 17.4 14.5 3 700 2989 310 36 27.6 -23.1 | 252 12 11.1 3.7 4 500 5580 295 58 52.6 -24.5 | 266 36 36.1 2.3 5 400 7200 300 52 45.0 -26.0 | 268 29 28.6 0.8 6 300 9150 310 50 38.3 -32.1 | 284 22 21.9 -5.3 7 250 10320 315 56 39.6 -39.6 | 299 26 23.2 -12.8 8 210 11392 325 54 31.0 -44.2 | 320 23 14.5 -17.4 9 200 11690 320 40 25.7 -30.6 | 292 10 9.3 -3.8 10 150 13470 305 38 31.1 -21.8 | 251 16 14.7 5.0 11 100 16030 325 29 16.6 -23.8 | 184 3 0.2 3.1 12 70 18290 325 27 15.5 -22.1 | 168 5 -1.0 4.7 13 50 20420 325 19 10.9 -15.6 | 154 13 -5.5 11.3 14 30 23670 315 15 10.6 -10.6 | 160 17 -5.8 16.2 15 20 26240 285 25 24.1 -6.5 | 201 22 7.7 20.3 Wind Parameters Mean winds (0-6000m): 298.5 at 41.9 knts Storm direction: 328.5 at 31.5 knts Shear (0-3000m) pos: 7.1 neg: 0.7 tot: 7.8 10-3/s Storm rel Dir Shear (0-3000m): 97.8 deg Storm rel helicity (0-3000m) pos: 467.5 neg: -46.9 tot: 420.6 m^2/s^2 ave: 140.2 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 12.8 stream: 8.7 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 0.65 Bulk Shear: 66.01 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 ------------------------------------------------------------------------------- 500 290 20 187 20| 34.7 0.0 34.7|339.7 0.0 339.7 679.4 0.97| 40.2 38.9 1000 291 31 218 20| 20.4 0.0 20.4|439.2 -22.6 416.5 416.5 0.84| 29.7 24.9 1500 291 33 224 21| 13.6 1.4 14.9|441.5 -46.9 394.6 263.1 0.71| 21.6 15.4 2000 292 34 227 20| 10.3 1.0 11.3|451.8 -46.9 404.9 202.4 0.70| 17.2 12.0 2500 294 34 229 19| 8.4 0.8 9.2|460.2 -46.9 413.4 165.3 0.69| 14.6 10.0 3000 297 35 232 18| 7.1 0.7 7.8|467.5 -46.9 420.6 140.2 0.68| 12.8 8.7 4000 299 36 239 18| 5.3 0.7 6.1|480.8 -46.9 433.9 108.5 0.64| 10.8 6.9 5000 300 39 246 19| 4.3 1.6 5.9|485.1 -47.1 438.0 87.6 0.58| 9.7 5.6 6000 298 42 252 22| 3.5 1.8 5.2|489.0 -50.1 438.9 73.2 0.54| 8.7 4.7 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20250420.00.gif