UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025062512.upa.cvt Date: 1200Z 25 JUN 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 25 JUN 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- 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 18 SFC 974 243 16.6 10.6 68 6.0 13.0 250 5 291.9 293.4 287.2 315.5 8.26 2 943 517 12.4 6.4 67 6.0 9.1 250 18 290.4 291.5 284.8 308.6 6.40 3 925 679 11.0 6.0 71 5.0 8.3 250 25 290.6 291.7 284.8 308.7 6.34 4 884 1055 7.2 2.3 71 4.9 4.8 258 29 290.4 291.3 283.4 305.1 5.11 5 850 1377 5.8 1.0 71 4.8 3.5 265 33 292.2 293.1 283.9 306.3 4.84 6 803 1840 2.4 -2.5 70 4.9 0.2 268 32 293.4 294.1 283.4 305.0 3.96 7 746 2429 -3.5 -8.0 71 4.5 -5.2 272 32 293.2 293.7 282.0 301.6 2.80 8 733 2569 -0.5 -5.5 69 5.0 -2.6 273 31 298.0 298.6 284.7 308.4 3.46 9 720 2713 0.0 -6.0 64 6.0 -2.6 274 31 300.1 300.7 285.4 310.4 3.39 10 700 2938 -1.7 -8.7 59 7.0 -4.5 275 31 300.6 301.1 285.1 309.3 2.83 11 531 5078 -15.3 -26.3 38 11.0 -17.7 279 31 309.0 309.2 286.0 311.9 0.84 12 500 5530 -17.7 -28.7 38 11.0 -19.9 280 31 311.5 311.6 286.7 313.9 0.72 13 497 5575 -17.9 -28.9 38 11.0 -20.1 280 31 311.8 311.9 286.8 314.2 0.71 14 400 7160 -30.3 -40.3 37 10.0 -31.4 290 29 315.6 315.7 287.6 316.6 0.28 15 367 7768 -34.7 -44.7 36 10.0 -35.5 291 28 317.6 317.7 288.2 318.3 0.19 16 300 9140 -47.1 -55.1 40 8.0 -47.4 295 25 319.0 319.0 288.5 319.2 0.07 17 297 9206 -47.7 -55.7 39 8.0 -48.0 295 26 319.0 319.1 288.5 319.3 0.07 18 283 9523 -49.3 -57.3 39 8.0 -49.6 295 31 321.2 321.2 289.2 321.4 0.06 19 268 9879 -49.7 -58.7 34 9.0 -50.0 295 35 325.6 325.6 290.5 325.8 0.05 20 264 9978 -46.7 -55.7 35 9.0 -47.0 295 36 331.4 331.4 292.2 331.7 0.08 21 250 10340 -45.5 -54.5 36 9.0 -45.9 295 40 338.4 338.4 294.0 338.8 0.09 22 211 11479 -43.3 -52.3 36 9.0 -43.9 284 40 358.7 358.7 298.5 359.3 0.14 23 200 11840 -43.9 -52.9 36 9.0 -44.5 280 40 363.3 363.3 299.4 363.9 0.14 24 152 13672 -44.9 -53.9 36 9.0 -45.6 280 36 391.2 391.2 304.1 392.0 0.16 25 150 13760 -45.5 -54.5 36 9.0 -46.2 280 36 391.7 391.7 304.2 392.4 0.16 26 114 15571 -50.3 -59.3 34 9.0 -50.8 273 27 414.7 414.7 307.2 415.3 0.11 27 101 16365 -48.9 -58.9 30 10.0 -49.6 270 23 432.0 432.0 309.1 432.7 0.13 28 100 16430 -48.5 -58.5 30 10.0 -49.3 270 23 434.0 434.1 309.3 434.8 0.14 29 72 18568 -53.3 -63.3 29 10.0 -53.9 270 19 466.6 466.6 312.4 467.2 0.11 30 70 18750 -52.9 -62.9 29 10.0 -53.6 270 19 471.2 471.2 312.8 471.9 0.12 31 50 20940 -49.1 -59.1 30 10.0 -50.4 295 5 527.8 527.8 316.9 529.5 0.26 32 30 24290 -46.3 -57.3 28 11.0 -48.8 140 5 618.4 618.6 321.6 622.6 0.55 33 22 26340 -48.3 -59.3 27 11.0 -51.0 129 10 669.8 670.1 323.6 674.7 0.59 34 20 26970 -46.1 -58.1 24 12.0 -49.6 125 11 695.1 695.4 324.5 701.5 0.75 35 16 28469 -41.5 -54.5 23 13.0 -46.9 755.9 756.6 326.4 769.4 1.46 36 13 29877 -41.9 -54.9 23 13.0 -47.7 800.7 801.6 327.7 817.6 1.71 37 11 31017 -38.3 -52.3 22 14.0 -46.0 853.0 854.4 329.1 881.9 2.76 TRP 283 9523 -49.3 -57.3 39 8.0 -49.6 295 31 321.2 321.2 289.2 321.4 0.06 WND Sounding variables and indices 1000-500 mb thick: 5512.00 m Freezing level: 779.81 mb = 2079.86 m = 6823.61 ft Freezing level: 720.00 mb = 2712.80 m = 8900.16 ft Freezing level: 720.00 mb = 2712.80 m = 8900.16 ft Wetbulb zero: 800.93 mb = 1860.76 m = 6104.79 ft Precipitable water: 0.70 inches Sfc-500 mean rel hum: 57.88 % Est. max temperature: 17.52 C = 63.53 F Sfc-Lift cond lev (LCL): 890.49 mb = 994.20 m = 3261.78 ft T: 7.81 C 700-500 lapse rate: 6.17 C/km ThetaE index: 6.85 C Layer 943.0- 925.0 mb Conv cond level (CCL): 827.23 mb = 1598.04 m = 5242.84 ft Mean mixing ratio: 6.25 g/kg Conv temperature: 17.44 C = 63.39 F Cap Strength: 4.43 C Lifted Index: 5.51 C Risk: None Lifted Index @300 mb: 7.55 C Lifted Index @700 mb: 3.14 C Showalter Index: 7.01 C Risk: None Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 18.70 C K Index: 17.50 Risk: < 20 % chance of thunderstorms Sweat Index: 109.00 Risk: None Energy Index: 1.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.23 J/kg Max Up Vert Vel: 6.20 m/s Conv Inhibition (B-): 27.42 J/kg Cap Strength: 5.42 C Lift Cond Lev (LCL): 852.83 mb = 1349.70 m = 4428.09 ft Lev Free Conv (LFC): 787.83 mb = 1992.79 m = 6537.93 ft Equ Level (EL): 737.83 mb = 2517.15 m = 8258.25 ft B at Equ Level: 16.94 J/kg Max Parcel Lev (MPL): 717.83 mb = 2736.93 m = 8979.33 ft Wind level data Storm motion: 303 at 22 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 ---------------------------------------------------------- 0 974 243 250 5 4.7 1.7 | 135 20 -14.1 13.9 1 925 679 250 25 23.5 8.6 | 193 21 4.7 20.8 2 850 1377 265 33 32.9 2.9 | 223 21 14.1 15.1 3 700 2938 275 31 30.9 -2.7 | 232 15 12.1 9.5 4 500 5530 280 31 30.5 -5.4 | 240 14 11.7 6.8 5 400 7160 290 29 27.3 -9.9 | 255 9 8.5 2.3 6 300 9140 295 25 22.7 -10.6 | 247 4 3.9 1.7 7 283 9523 295 31 28.1 -13.1 | 275 9 9.3 -0.9 8 250 10340 295 40 36.3 -16.9 | 285 18 17.5 -4.7 9 200 11840 280 40 39.4 -6.9 | 256 21 20.6 5.3 10 150 13760 280 36 35.5 -6.3 | 250 18 16.7 6.0 11 100 16430 270 23 23.0 -0.0 | 199 13 4.2 12.2 12 70 18750 270 19 19.0 -0.0 | 181 12 0.2 12.2 13 50 20940 295 5 4.5 -2.1 | 125 17 -14.3 10.1 14 30 24290 140 5 -3.2 3.8 | 126 27 -22.0 16.1 15 20 26970 125 11 -9.0 6.3 | 124 33 -27.8 18.5 Wind Parameters Mean winds (0-6000m): 273.0 at 29.9 knts Storm direction: 303.0 at 22.4 knts Shear (0-3000m) pos: 4.6 neg: 0.0 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 98.0 deg Storm rel helicity (0-3000m) pos: 169.3 neg: 0.0 tot: 169.3 m^2/s^2 ave: 56.4 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 5.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.56 Bulk Shear: 34.57 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 ------------------------------------------------------------------------------- 500 250 16 169 18| 21.3 0.0 21.3| 99.8 0.0 99.8 199.7 0.96| 21.5 20.6 1000 255 23 189 18| 13.7 0.0 13.7|143.0 0.0 143.0 143.0 0.97| 14.8 14.3 1500 259 26 201 18| 9.5 0.0 9.5|158.8 0.0 158.8 105.9 0.95| 11.1 10.6 2000 262 27 208 18| 7.0 0.0 7.0|163.2 0.0 163.2 81.6 0.93| 8.8 8.2 2500 264 28 212 18| 5.5 0.0 5.5|167.0 0.0 167.0 66.8 0.90| 7.4 6.7 3000 266 29 215 17| 4.6 0.0 4.6|169.3 0.0 169.3 56.4 0.89| 6.4 5.7 4000 269 29 220 17| 3.4 0.0 3.4|172.3 0.0 172.3 43.1 0.89| 4.9 4.4 5000 271 30 223 16| 2.8 0.0 2.8|175.2 0.0 175.2 35.0 0.88| 4.0 3.6 6000 273 30 226 15| 2.2 0.0 2.2|180.1 0.0 180.1 30.0 0.86| 3.6 3.1 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250625.12.gif