UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 29 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 -13 SFC 990 68 2.6 -3.4 65 6.0 0.3 210 7 276.5 277.0 273.9 284.9 3.00 2 925 611 -2.7 -8.7 63 6.0 -4.7 220 36 276.5 276.9 272.6 282.6 2.14 3 853 1246 -9.1 -11.3 84 2.2 -9.7 276.3 276.7 272.1 281.7 1.89 4 850 1273 -9.1 -11.3 84 2.2 -9.7 235 42 276.6 276.9 272.3 282.0 1.89 5 826 1494 -10.9 -12.6 87 1.7 -11.3 277.0 277.3 272.3 282.0 1.75 6 823 1522 -11.1 -12.8 87 1.7 -11.6 277.1 277.4 272.3 282.0 1.73 7 821 1540 -11.5 -13.3 86 1.8 -12.0 276.8 277.1 272.1 281.6 1.67 8 729 2441 -17.5 -21.8 69 4.3 -18.3 279.8 280.0 272.6 282.6 0.92 9 700 2744 -19.5 -24.5 64 5.0 -20.3 230 44 280.9 281.0 273.0 283.2 0.75 10 668 3090 -22.3 -29.3 53 7.0 -23.2 281.5 281.6 272.9 283.1 0.51 11 664 3134 -22.7 -29.7 53 7.0 -23.7 281.6 281.7 272.9 283.1 0.49 12 602 3851 -25.5 -31.5 57 6.0 -26.2 286.3 286.4 275.5 287.8 0.46 13 504 5114 -35.7 -45.7 35 10.0 -36.2 288.9 288.9 276.3 289.3 0.13 14 500 5170 -35.1 -45.1 35 10.0 -35.7 220 56 290.2 290.3 277.0 290.7 0.14 15 426 6288 -32.5 -53.5 11 21.0 -33.7 307.2 307.2 284.3 307.4 0.06 16 425 6305 -32.5 -53.5 11 21.0 -33.7 307.4 307.4 284.4 307.6 0.06 17 424 6321 -32.7 -53.7 10 21.0 -33.9 307.3 307.3 284.4 307.6 0.06 18 402 6695 -32.7 -57.7 6 25.0 -34.0 312.0 312.1 286.1 312.2 0.04 19 400 6730 -32.7 -57.7 6 25.0 -34.0 220 71 312.5 312.5 286.2 312.6 0.04 20 394 6837 -32.9 -58.3 6 25.4 -34.2 220 71 313.6 313.6 286.6 313.7 0.04 21 357 7530 -34.1 -62.1 4 28.0 -35.4 320.9 320.9 289.0 321.0 0.03 22 330 8083 -33.3 -62.3 4 29.0 -34.8 329.3 329.3 291.6 329.4 0.03 23 329 8104 -34.1 -63.1 4 29.0 -35.5 328.5 328.5 291.3 328.6 0.02 24 328 8125 -34.7 -63.7 4 29.0 -36.1 328.0 328.0 291.2 328.1 0.02 25 307 8589 -34.1 -63.1 4 29.0 -35.6 335.1 335.1 293.1 335.2 0.03 26 300 8750 -35.1 -64.1 4 29.0 -36.5 220 64 335.9 335.9 293.3 336.0 0.02 27 292 8937 -36.5 -64.5 4 28.0 -37.8 336.5 336.5 293.4 336.6 0.02 28 264 9634 -35.7 -63.7 4 28.0 -37.2 347.5 347.5 296.1 347.7 0.03 29 250 10010 -38.1 -66.1 4 28.0 -39.4 225 58 349.4 349.4 296.5 349.5 0.02 30 249 10038 -38.1 -66.1 4 28.0 -39.4 349.8 349.8 296.6 349.9 0.02 31 207 11305 -38.5 -66.5 4 28.0 -39.9 368.2 368.2 300.2 368.3 0.02 32 200 11540 -39.9 -66.9 4 27.0 -41.2 215 54 369.6 369.6 300.5 369.7 0.02 33 174 12488 -42.9 -69.9 4 27.0 -44.0 379.7 379.7 302.2 379.8 0.02 34 168 12725 -41.9 -68.9 4 27.0 -43.2 385.2 385.2 303.1 385.3 0.02 35 164 12888 -43.5 -69.5 4 26.0 -44.6 385.1 385.1 303.1 385.2 0.02 36 152 13401 -43.3 -69.3 4 26.0 -44.5 393.9 394.0 304.4 394.1 0.02 37 150 13490 -44.5 -70.5 4 26.0 -45.6 220 54 393.4 393.4 304.3 393.5 0.02 38 147 13625 -44.9 -70.9 4 26.0 -46.0 395.0 395.0 304.5 395.1 0.02 39 145 13717 -45.7 -71.7 4 26.0 -46.7 395.1 395.1 304.5 395.2 0.02 40 142 13857 -44.1 -70.1 4 26.0 -45.3 400.3 400.3 305.3 400.4 0.02 41 141 13904 -44.1 -70.1 4 26.0 -45.3 401.1 401.1 305.3 401.2 0.02 42 139 14000 -44.9 -70.9 4 26.0 -46.0 401.3 401.3 305.4 401.4 0.02 43 136 14146 -45.5 -71.5 4 26.0 -46.6 402.8 402.8 305.6 402.9 0.02 44 135 14195 -45.9 -71.9 4 26.0 -47.0 402.9 402.9 305.6 403.0 0.02 45 101 16113 -49.3 -74.3 4 25.0 -50.3 431.2 431.2 309.0 431.3 0.02 46 97 16376 -52.3 -77.3 3 25.0 -53.0 430.4 430.4 308.9 430.5 0.01 47 97 16376 -50.3 -75.3 4 25.0 -51.2 434.3 434.3 309.3 434.4 0.01 48 92 16722 -50.5 -75.5 4 25.0 -51.4 440.5 440.5 309.9 440.6 0.01 49 90 16865 -51.9 -76.9 3 25.0 -52.7 440.5 440.5 309.9 440.6 0.01 50 87 17083 -55.5 -79.5 3 24.0 -56.1 215 31 437.6 437.6 309.6 437.6 0.01 51 83 17383 -55.9 -79.9 3 24.0 -56.5 236 21 442.7 442.7 310.1 442.7 0.01 52 76 17949 -52.1 -77.1 3 25.0 -53.0 243 19 461.9 461.9 312.0 462.0 0.01 53 70 18480 -53.3 -77.3 4 24.0 -54.2 250 17 470.4 470.4 312.7 470.4 0.01 54 58 19683 -56.9 -79.9 4 23.0 -57.6 253 11 488.2 488.2 314.1 488.3 0.01 55 57 19793 -55.9 -79.9 3 24.0 -56.7 253 11 492.9 492.9 314.4 493.0 0.01 56 50 20630 -54.7 -78.7 4 24.0 -55.7 255 7 514.6 514.6 315.9 514.7 0.02 57 49 20759 -54.3 -78.3 4 24.0 -55.4 518.5 518.5 316.2 518.6 0.02 TRP 87 -55.5 -79.5 3 24.0 -56.1 215 31 437.6 437.6 309.6 437.6 0.01 WND 394 6837 -32.9 -58.3 6 25.4 -34.2 220 71 313.6 313.6 286.6 313.7 0.04 Sounding variables and indices 1000-500 mb thick: 5183.00 m Freezing level: 958.11 mb = 334.44 m = 1097.22 ft Wetbulb zero: 986.64 mb = 95.27 m = 312.55 ft Precipitable water: 0.24 inches Sfc-500 mean rel hum: 62.20 % Est. max temperature: 2.82 C = 37.08 F Sfc-Lift cond lev (LCL): 901.97 mb = 808.49 m = 2652.50 ft T: -4.69 C 700-500 lapse rate: 6.43 C/km ThetaE index: 3.18 C Layer 925.0- 850.0 mb Conv cond level (CCL): 862.98 mb = 1154.58 m = 3787.96 ft Mean mixing ratio: 2.39 g/kg Conv temperature: 2.43 C = 36.38 F Cap Strength: 5.18 C Lifted Index: 6.31 C Risk: None Lifted Index @300 mb: 37.36 C Lifted Index @700 mb: 0.81 C Showalter Index: 7.27 C Risk: None Total Totals Index: 49.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.00 C Cross Totals Index: 23.80 C K Index: 9.70 Risk: None Sweat Index: 156.00 Risk: None Energy Index: 1.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.27 J/kg Max Up Vert Vel: 4.95 m/s Conv Inhibition (B-): 0.27 J/kg Cap Strength: 6.11 C Lift Cond Lev (LCL): 860.72 mb = 1175.12 m = 3855.34 ft Lev Free Conv (LFC): 855.72 mb = 1220.76 m = 4005.06 ft Equ Level (EL): 755.72 mb = 2168.29 m = 7113.73 ft B at Equ Level: 12.15 J/kg Max Parcel Lev (MPL): 685.72 mb = 2896.47 m = 9502.74 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 87 17640 215 31 17.8 25.4 1 990 68 210 7 3.5 6.1 2 925 611 220 36 23.1 27.6 3 850 1273 235 42 34.4 24.1 4 700 2744 230 44 33.7 28.3 5 500 5170 220 56 36.0 42.9 6 400 6730 220 71 45.6 54.4 7 394 6837 220 71 45.6 54.4 8 300 8750 220 64 41.1 49.0 9 250 10010 225 58 41.0 41.0 10 200 11540 215 54 31.0 44.2 11 150 13490 220 54 34.7 41.4 12 100 16180 220 25 16.1 19.2 13 70 18480 250 17 16.0 5.8 14 50 20630 255 7 6.8 1.8 Wind Parameters Energy-Hel index: -0.77 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20250429.00.gif