UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101500.upa.cvt Date: 0000Z 15 OCT 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 15 OCT 25 Station: U2820 WMO ident: 22820 Latitude: 61.82 Longitude: 34.27 ------------------------------------------------------------------------------- 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 77 315 1 SFC 996 109 1.0 0.2 94 0.8 0.7 315 1 274.5 275.1 274.0 285.0 3.89 2 925 698 -3.5 -4.6 92 1.1 -3.9 330 9 275.7 276.2 273.3 283.8 2.93 3 915 784 -4.1 -5.1 93 1.0 -4.5 338 9 276.0 276.5 273.4 283.9 2.85 4 875 1138 -3.1 -4.0 93 0.9 -3.4 9 8 280.6 281.1 276.5 289.7 3.25 5 850 1367 -4.7 -7.0 84 2.3 -5.5 30 7 281.2 281.7 276.0 288.8 2.66 6 729 2555 -13.9 -15.1 91 1.2 -14.2 30 12 283.8 284.1 275.9 288.5 1.62 7 722 2628 -12.9 -14.3 89 1.4 -13.3 30 12 285.7 286.0 277.1 290.8 1.75 8 710 2756 -13.7 -17.5 73 3.8 -14.6 30 13 286.2 286.4 276.7 290.2 1.36 9 700 2864 -13.7 -19.7 60 6.0 -15.1 30 13 287.3 287.5 277.0 290.8 1.14 10 675 3139 -14.1 -28.1 30 14.0 -16.6 32 15 289.9 290.0 277.5 291.7 0.56 11 672 3173 -14.3 -29.3 27 15.0 -16.9 32 15 290.0 290.1 277.4 291.6 0.50 12 551 4654 -21.3 -40.3 16 19.0 -23.5 41 24 298.7 298.7 281.1 299.4 0.21 13 500 5360 -27.3 -43.3 20 16.0 -28.7 45 29 299.8 299.8 281.5 300.3 0.17 14 431 6414 -36.3 -49.3 25 13.0 -37.0 55 36 301.3 301.3 282.0 301.7 0.10 15 400 6930 -39.9 -51.9 27 12.0 -40.4 60 40 303.1 303.1 282.8 303.4 0.08 16 340 8020 -46.3 -57.3 28 11.0 -46.6 25 60 308.8 308.9 284.9 309.0 0.05 17 334 8138 -44.5 -55.5 28 11.0 -44.9 24 64 312.9 312.9 286.4 313.1 0.06 18 300 8850 -46.9 -59.9 21 13.0 -47.3 20 87 319.3 319.3 288.5 319.4 0.04 19 283 9238 -48.3 -62.3 18 14.0 -48.7 20 89 322.6 322.6 289.6 322.7 0.03 20 273 9476 -48.0 -62.6 17 14.6 -48.4 20 91 326.4 326.4 290.7 326.5 0.03 21 250 10060 -47.3 -63.3 14 16.0 -47.7 20 73 335.7 335.8 293.3 335.9 0.03 22 200 11520 -49.5 -69.5 8 20.0 -50.0 15 44 354.4 354.4 297.6 354.5 0.02 23 164 12825 -48.9 -70.9 6 22.0 -49.6 15 34 376.1 376.1 301.6 376.2 0.02 24 150 13410 -50.3 -73.3 5 23.0 -50.9 15 29 383.4 383.4 302.8 383.5 0.01 25 118 14960 -54.9 -78.9 4 24.0 -55.4 0 18 402.2 402.2 305.5 402.2 0.01 26 100 16020 -53.9 -77.9 4 24.0 -54.5 350 11 423.6 423.6 308.2 423.6 0.01 27 70 18290 -56.5 -79.5 4 23.0 -57.1 355 13 463.5 463.5 312.1 463.6 0.01 28 51 20286 -60.1 -83.1 3 23.0 -60.6 4 9 499.0 499.0 314.9 499.1 0.01 29 50 20410 -59.7 -82.7 3 23.0 -60.3 5 9 502.8 502.8 315.1 502.8 0.01 30 30 23590 -61.1 -83.1 4 22.0 -61.9 355 11 578.1 578.1 319.6 578.2 0.01 31 20 26110 -58.9 -81.9 4 23.0 -60.3 345 11 655.9 655.9 322.9 656.1 0.02 32 14 28350 -59.1 -82.1 4 23.0 -61.0 335 13 725.6 725.7 325.3 725.9 0.03 33 11 29885 -52.9 -76.9 4 24.0 -56.9 328 14 800.0 800.0 327.3 800.9 0.10 34 10 30500 -52.9 -76.9 4 24.0 -57.2 325 15 822.1 822.1 327.8 823.2 0.11 35 8.7 31397 -53.7 -77.7 4 24.0 -58.0 852.4 852.4 328.5 853.5 0.11 36 6.8 32996 -49.5 -74.5 4 25.0 -56.3 932.1 932.3 330.1 934.8 0.23 TRP 340 8020 -46.3 -57.3 28 11.0 -46.6 25 60 308.8 308.9 284.9 309.0 0.05 WND 273 9476 -48.0 -62.6 17 14.6 -48.4 20 91 326.4 326.4 290.7 326.5 0.03 Sounding variables and indices 1000-500 mb thick: 5283.00 m Freezing level: 980.22 mb = 240.03 m = 787.48 ft Wetbulb zero: 985.68 mb = 192.10 m = 630.25 ft Precipitable water: 0.35 inches Sfc-500 mean rel hum: 56.65 % Est. max temperature: 7.83 C = 46.10 F Sfc-Lift cond lev (LCL): 983.66 mb = 208.44 m = 683.86 ft T: 0.24 C 700-500 lapse rate: 5.45 C/km ThetaE index: 1.20 C Layer 925.0- 915.0 mb Conv cond level (CCL): 931.10 mb = 645.65 m = 2118.26 ft Mean mixing ratio: 3.27 g/kg Conv temperature: 2.15 C = 35.88 F Cap Strength: 12.96 C Lifted Index: 13.11 C Risk: None Lifted Index @300 mb: 24.62 C Lifted Index @700 mb: 5.67 C Showalter Index: 9.83 C Risk: None Total Totals Index: 42.90 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 20.30 C K Index: 9.60 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 2.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.02 J/kg Max Up Vert Vel: 4.48 m/s Conv Inhibition (B-): 68696.62 J/kg Cap Strength: 13.10 C Lift Cond Lev (LCL): 931.79 mb = 639.74 m = 2098.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 67 at 13 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 ---------------------------------------------------------- 0 996 109 315 1 0.7 -0.7 | 252 13 12.3 4.1 1 925 698 330 9 4.5 -7.8 | 280 16 16.1 -3.0 2 850 1367 30 7 -3.5 -6.1 | 279 8 8.1 -1.2 3 700 2864 30 13 -6.5 -11.3 | 322 8 5.1 -6.4 4 500 5360 45 29 -20.5 -20.5 | 30 18 -8.9 -15.7 5 400 6930 60 40 -34.6 -20.0 | 57 28 -23.0 -15.2 6 340 8020 25 60 -25.4 -54.4 | 16 51 -13.8 -49.6 7 300 8850 20 87 -29.8 -81.8 | 13 79 -18.2 -76.9 8 273 9476 20 91 -31.1 -85.5 | 14 83 -19.5 -80.7 9 250 10060 20 73 -25.0 -68.6 | 12 65 -13.4 -63.8 10 200 11520 15 44 -11.4 -42.5 | 360 38 0.2 -37.7 11 150 13410 15 29 -7.5 -28.0 | 350 24 4.1 -23.2 12 100 16020 350 11 1.9 -10.8 | 294 15 13.5 -6.0 13 70 18290 355 13 1.1 -13.0 | 303 15 12.7 -8.1 14 50 20410 5 9 -0.8 -9.0 | 291 12 10.8 -4.1 15 30 23590 355 11 1.0 -11.0 | 296 14 12.6 -6.1 16 20 26110 345 11 2.8 -10.6 | 292 16 14.5 -5.8 17 10 30500 325 15 8.6 -12.3 | 290 22 20.2 -7.5 Wind Parameters Mean winds (0-6000m): 37.4 at 16.8 knts Storm direction: 67.4 at 12.6 knts Shear (0-3000m) pos: 1.8 neg: 0.7 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 80.8 deg Storm rel helicity (0-3000m) pos: 48.7 neg: -2.2 tot: 46.5 m^2/s^2 ave: 15.5 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.31 Bulk Shear: 32.74 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 ------------------------------------------------------------------------------- 500 328 4 265 14| 7.0 0.0 7.0| 23.8 0.0 23.8 47.6 0.91| 7.1 6.4 1000 338 6 275 14| 3.7 0.0 3.7| 33.4 -0.0 33.4 33.4 0.64| 7.0 4.4 1500 353 7 279 13| 2.7 0.0 2.7| 35.0 -2.2 32.8 21.9 0.49| 6.0 2.9 2000 6 7 283 11| 2.0 0.5 2.5| 39.1 -2.2 36.9 18.4 0.54| 5.0 2.7 2500 13 8 287 10| 1.6 0.8 2.4| 43.2 -2.2 40.9 16.4 0.58| 4.4 2.6 3000 18 9 292 10| 1.8 0.7 2.5| 48.7 -2.2 46.5 15.5 0.62| 4.1 2.6 4000 25 11 307 9| 2.2 0.5 2.7| 63.9 -2.2 61.7 15.4 0.68| 3.9 2.7 5000 32 14 328 8| 2.4 0.4 2.8| 82.4 -2.2 80.2 16.0 0.68| 3.9 2.6 6000 37 17 351 9| 2.6 0.3 3.0|114.1 -2.2 111.9 18.6 0.69| 3.9 2.7 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251015.00.gif