UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 20 OCT 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 1013 76 4.2 2.4 88 1.8 3.4 200 1 276.3 277.1 275.9 288.5 4.49 1 1000 181 5.6 3.2 85 2.4 4.5 235 11 278.8 279.6 277.6 291.9 4.81 2 979 355 6.0 2.9 80 3.1 4.5 243 12 280.8 281.7 278.7 294.2 4.81 3 936 721 4.0 -0.7 71 4.7 2.0 260 14 282.4 283.1 278.3 293.3 3.88 4 925 817 3.2 -1.3 72 4.5 1.3 265 15 282.6 283.2 278.2 293.2 3.75 5 850 1496 -2.3 -4.0 88 1.7 -3.0 245 23 283.7 284.3 278.3 293.2 3.34 6 805 1925 -5.3 -6.8 89 1.5 -5.8 251 22 285.0 285.5 278.2 293.2 2.85 7 798 1994 -5.7 -7.6 86 1.9 -6.4 252 22 285.3 285.7 278.2 293.1 2.70 8 791 2063 -5.3 -8.4 79 3.1 -6.4 252 22 286.4 286.9 278.6 293.9 2.56 9 764 2334 -7.5 -14.5 57 7.0 -9.5 256 21 286.9 287.2 277.5 291.8 1.62 10 700 3009 -12.5 -16.9 70 4.4 -13.6 265 19 288.6 288.9 278.2 293.0 1.45 11 632 3778 -19.1 -21.0 85 1.9 -19.5 267 22 289.7 289.9 278.2 293.2 1.13 12 628 3825 -18.1 -20.1 84 2.0 -18.6 267 22 291.3 291.6 279.1 295.1 1.23 13 622 3897 -16.3 -19.1 79 2.8 -17.0 267 23 294.2 294.5 280.6 298.4 1.36 14 588 4317 -19.3 -27.3 49 8.0 -20.7 268 24 295.5 295.6 280.3 297.7 0.69 15 500 5500 -28.1 -32.9 63 4.8 -28.7 270 29 298.8 298.9 281.5 300.4 0.48 16 400 7070 -39.9 -43.2 71 3.3 -40.1 275 36 303.1 303.2 283.0 303.9 0.21 17 388 7277 -41.5 -44.8 70 3.3 -41.7 275 39 303.7 303.7 283.1 304.3 0.18 18 375 7506 -43.5 -46.7 71 3.2 -43.6 275 43 304.0 304.0 283.2 304.6 0.15 19 300 8980 -50.3 -55.0 57 4.7 -50.4 275 69 314.5 314.5 287.0 314.7 0.07 20 288 9247 -51.3 -56.3 55 5.0 -51.4 275 72 316.7 316.7 287.8 317.0 0.06 21 284 9339 -51.9 -56.9 55 5.0 -52.0 275 73 317.2 317.2 287.9 317.4 0.06 22 260 9909 -55.5 -60.5 54 5.0 -55.6 275 69 319.9 320.0 288.8 320.1 0.04 23 250 10160 -55.7 -60.7 54 5.0 -55.8 275 68 323.3 323.3 289.8 323.4 0.04 24 224 10854 -56.7 -62.7 47 6.0 -56.8 275 59 332.0 332.0 292.3 332.2 0.04 25 200 11570 -55.9 -61.9 47 6.0 -56.1 275 50 344.2 344.3 295.4 344.4 0.05 26 150 13410 -54.1 -62.1 37 8.0 -54.4 270 36 376.9 376.9 301.8 377.1 0.06 27 149 13453 -54.1 -63.1 32 9.0 -54.4 270 36 377.6 377.6 301.9 377.8 0.05 28 125 14571 -57.7 -67.7 27 10.0 -57.9 268 29 390.5 390.5 303.9 390.7 0.03 29 122 14724 -57.3 -67.3 27 10.0 -57.5 267 28 394.0 394.0 304.4 394.1 0.04 30 119 14882 -57.7 -67.7 27 10.0 -57.9 267 27 396.0 396.0 304.7 396.2 0.04 31 118 14935 -57.5 -68.5 23 11.0 -57.8 267 27 397.4 397.4 304.9 397.5 0.03 32 116 15043 -57.7 -68.7 23 11.0 -58.0 267 26 398.9 399.0 305.1 399.1 0.03 33 114 15153 -57.1 -68.1 24 11.0 -57.4 267 26 402.0 402.1 305.5 402.2 0.04 34 112 15265 -57.1 -68.1 24 11.0 -57.4 266 25 404.1 404.1 305.7 404.3 0.04 35 111 15322 -57.1 -68.1 24 11.0 -57.4 266 25 405.1 405.1 305.9 405.3 0.04 36 100 15980 -58.5 -70.5 20 12.0 -58.8 265 21 414.7 414.7 307.1 414.8 0.03 37 95 16302 -59.1 -71.1 20 12.0 -59.4 265 20 419.6 419.7 307.7 419.8 0.03 38 70 18220 -58.7 -72.7 15 14.0 -59.1 265 17 458.8 458.8 311.7 459.0 0.03 39 64 18782 -57.9 -71.9 15 14.0 -58.4 265 18 472.5 472.5 312.8 472.7 0.04 40 56 19615 -61.1 -75.1 14 14.0 -61.5 265 20 483.6 483.6 313.7 483.7 0.03 41 50 20320 -59.3 -74.3 13 15.0 -59.9 265 21 503.7 503.7 315.2 503.9 0.03 42 47 20709 -59.1 -74.1 13 15.0 -59.7 267 19 513.2 513.2 315.9 513.4 0.04 43 42 21412 -61.5 -76.5 12 15.0 -62.0 272 16 524.0 524.1 316.6 524.2 0.03 44 30 23510 -60.1 -76.1 11 16.0 -60.9 285 7 580.8 580.8 319.7 581.1 0.04 45 20 26040 -59.9 -76.9 9 17.0 -61.1 275 23 652.8 652.8 322.8 653.3 0.05 46 11 29806 -56.3 -75.3 7 19.0 -59.2 787.6 787.7 327.0 788.9 0.13 TRP 260 9909 -55.5 -60.5 54 5.0 -55.6 275 69 319.9 320.0 288.8 320.1 0.04 WND 284 9339 -51.9 -56.9 55 5.0 -52.0 275 73 317.2 317.2 287.9 317.4 0.06 Sounding variables and indices 1000-500 mb thick: 5319.00 m Freezing level: 881.36 mb = 1212.05 m = 3976.51 ft Wetbulb zero: 902.77 mb = 1012.31 m = 3321.18 ft Precipitable water: 0.49 inches Sfc-500 mean rel hum: 70.92 % Est. max temperature: 11.44 C = 52.59 F Sfc-Lift cond lev (LCL): 985.19 mb = 303.09 m = 994.37 ft T: 5.88 C 700-500 lapse rate: 6.26 C/km ThetaE index: 2.13 C Layer 764.0- 700.0 mb Conv cond level (CCL): 880.32 mb = 1214.53 m = 3984.64 ft Mean mixing ratio: 4.34 g/kg Conv temperature: 11.17 C = 52.10 F Cap Strength: 4.59 C Lifted Index: 5.86 C Risk: None Lifted Index @300 mb: 15.25 C Lifted Index @700 mb: 1.13 C Showalter Index: 5.69 C Risk: None Total Totals Index: 49.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.80 C Cross Totals Index: 24.10 C K Index: 17.40 Risk: < 20 % chance of thunderstorms Sweat Index: 170.83 Risk: None Energy Index: 1.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.05 J/kg Max Up Vert Vel: 6.33 m/s Conv Inhibition (B-): 64020.53 J/kg Cap Strength: 5.86 C Lift Cond Lev (LCL): 911.04 mb = 939.08 m = 3080.95 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 293 at 16 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 1013 76 200 1 0.3 0.9 | 116 17 -14.8 7.3 1 1000 181 235 11 9.0 6.3 | 154 14 -6.2 12.6 2 925 817 265 15 14.9 1.3 | 178 8 -0.2 7.6 3 850 1496 245 23 20.8 9.7 | 199 17 5.7 16.1 4 700 3009 265 19 18.9 1.7 | 205 9 3.7 8.0 5 500 5500 270 29 29.0 -0.0 | 245 15 13.8 6.3 6 400 7070 275 36 35.9 -3.1 | 261 21 20.7 3.2 7 300 8980 275 69 68.7 -6.0 | 270 54 53.6 0.3 8 284 9339 275 73 72.7 -6.4 | 270 58 57.5 -0.0 9 260 9909 275 69 68.7 -6.0 | 270 54 53.6 0.3 10 250 10160 275 68 67.7 -5.9 | 270 53 52.6 0.4 11 200 11570 275 50 49.8 -4.4 | 267 35 34.6 2.0 12 150 13410 270 36 36.0 -0.0 | 253 22 20.8 6.3 13 100 15980 265 21 20.9 1.8 | 215 10 5.7 8.2 14 70 18220 265 17 16.9 1.5 | 193 8 1.8 7.8 15 50 20320 265 21 20.9 1.8 | 215 10 5.7 8.2 16 30 23510 285 7 6.8 -1.8 | 118 10 -8.4 4.5 17 20 26040 275 23 22.9 -2.0 | 241 9 7.7 4.3 Wind Parameters Mean winds (0-6000m): 262.7 at 21.9 knts Storm direction: 292.7 at 16.5 knts Shear (0-3000m) pos: 2.8 neg: 1.1 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 90.6 deg Storm rel helicity (0-3000m) pos: 67.8 neg: 0.0 tot: 67.8 m^2/s^2 ave: 22.6 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 3.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.03 Bulk Shear: 19.49 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 ------------------------------------------------------------------------------- 500 244 11 154 12| 13.3 0.0 13.3| 47.9 0.0 47.9 95.8 0.86| 15.5 13.4 1000 254 13 166 10| 9.0 0.0 9.0| 57.5 0.0 57.5 57.5 0.79| 11.1 8.8 1500 252 16 179 11| 6.0 2.1 8.1| 62.6 0.0 62.6 41.7 0.66| 9.6 6.4 2000 251 17 186 12| 4.4 1.6 6.0| 65.5 0.0 65.5 32.7 0.62| 8.0 5.0 2500 252 18 189 12| 3.4 1.3 4.7| 66.9 0.0 66.9 26.8 0.58| 6.9 4.1 3000 254 18 192 12| 2.8 1.1 3.9| 67.8 0.0 67.8 22.6 0.56| 6.2 3.4 4000 257 19 198 11| 2.6 0.8 3.4| 76.9 0.0 76.9 19.2 0.59| 5.2 3.0 5000 260 20 206 11| 2.5 0.6 3.2| 86.6 0.0 86.6 17.3 0.60| 4.6 2.7 6000 263 22 216 11| 2.5 0.5 3.0| 98.9 0.0 98.9 16.5 0.60| 4.2 2.5 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251020.00.gif