UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 21 OCT 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 151 SFC 989 241 5.4 3.9 90 1.5 4.7 20 3 279.4 280.3 278.4 293.5 5.11 2 925 784 0.8 -0.2 93 1.0 0.4 30 9 280.1 280.8 277.4 291.4 4.07 3 916 863 0.0 -1.1 92 1.1 -0.4 30 9 280.1 280.7 277.0 290.8 3.85 4 902 987 0.6 -0.3 94 0.9 0.2 30 10 281.9 282.7 278.4 293.5 4.15 5 850 1464 -2.5 -4.3 87 1.8 -3.2 30 11 283.5 284.1 278.0 292.8 3.27 6 752 2427 -8.1 -11.9 74 3.8 -9.3 17 15 287.6 287.9 278.4 293.6 2.04 7 734 2615 -8.7 -12.9 72 4.2 -10.0 15 16 288.9 289.2 278.9 294.6 1.93 8 700 2982 -9.7 -19.7 44 10.0 -12.2 10 17 291.7 291.9 279.2 295.3 1.14 9 689 3104 -9.7 -20.7 40 11.0 -12.4 10 17 293.1 293.3 279.7 296.4 1.07 10 649 3561 -12.1 -32.1 17 20.0 -15.6 11 19 295.4 295.5 279.9 296.7 0.40 11 500 5500 -24.3 -35.3 35 11.0 -25.8 15 27 303.4 303.5 283.3 304.7 0.38 12 471 5934 -27.1 -35.1 47 8.0 -28.1 16 32 305.2 305.2 284.0 306.6 0.41 13 420 6749 -33.9 -39.9 55 6.0 -34.4 19 40 306.6 306.7 284.4 307.6 0.28 14 400 7090 -36.5 -43.5 48 7.0 -37.0 20 44 307.6 307.6 284.7 308.3 0.20 15 300 9030 -50.7 -58.7 38 8.0 -50.9 25 62 313.9 313.9 286.8 314.1 0.05 16 260 9952 -56.8 -64.8 36 8.0 -56.9 25 68 318.0 318.0 288.1 318.1 0.02 17 250 10200 -58.5 -66.5 35 8.0 -58.6 25 64 319.1 319.1 288.5 319.2 0.02 18 249 10225 -58.9 -66.9 35 8.0 -59.0 25 64 318.9 318.9 288.4 318.9 0.02 19 242 10404 -59.3 -67.3 35 8.0 -59.4 25 62 320.9 320.9 289.0 321.0 0.02 20 200 11610 -55.7 -63.7 36 8.0 -55.9 10 29 344.6 344.6 295.4 344.7 0.04 21 150 13440 -55.5 -66.5 24 11.0 -55.8 355 17 374.5 374.5 301.4 374.6 0.03 22 147 13568 -54.9 -65.9 24 11.0 -55.2 354 17 377.7 377.7 301.9 377.8 0.04 23 100 15990 -60.9 -73.9 16 13.0 -61.2 330 15 410.1 410.1 306.5 410.1 0.02 24 70 18210 -61.1 -76.1 12 15.0 -61.4 305 17 453.7 453.7 311.2 453.8 0.02 25 50 20290 -61.7 -77.7 10 16.0 -62.1 285 19 498.1 498.1 314.8 498.2 0.02 26 30 23440 -63.5 -80.5 8 17.0 -64.1 270 27 571.5 571.5 319.2 571.7 0.02 27 20 25940 -62.9 -80.9 7 18.0 -63.8 265 38 643.6 643.6 322.4 643.9 0.03 28 17 26941 -63.3 -81.3 7 18.0 -64.3 265 45 673.0 673.0 323.5 673.2 0.03 29 10 30270 -55.1 -75.1 7 20.0 -58.5 265 69 813.9 813.9 327.6 815.3 0.14 30 9.5 30598 -54.7 -74.7 7 20.0 -58.3 827.4 827.5 327.9 829.1 0.16 TRP 242 10404 -59.3 -67.3 35 8.0 -59.4 25 62 320.9 320.9 289.0 321.0 0.02 WND 260 9952 -56.8 -64.8 36 8.0 -56.9 25 68 318.0 318.0 288.1 318.1 0.02 Sounding variables and indices 1000-500 mb thick: 5349.00 m Freezing level: 891.94 mb = 1079.48 m = 3541.57 ft Wetbulb zero: 920.93 mb = 819.63 m = 2689.05 ft Precipitable water: 0.43 inches Sfc-500 mean rel hum: 54.95 % Est. max temperature: 9.91 C = 49.84 F Sfc-Lift cond lev (LCL): 966.40 mb = 428.96 m = 1407.33 ft T: 3.81 C 700-500 lapse rate: 5.80 C/km ThetaE index: 2.67 C Layer 925.0- 902.0 mb Conv cond level (CCL): 924.51 mb = 788.30 m = 2586.25 ft Mean mixing ratio: 4.37 g/kg Conv temperature: 6.09 C = 42.96 F Cap Strength: 6.34 C Lifted Index: 10.13 C Risk: None Lifted Index @300 mb: 15.26 C Lifted Index @700 mb: 4.34 C Showalter Index: 9.84 C Risk: None Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 20.00 C K Index: 7.50 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 2.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.57 J/kg Max Up Vert Vel: 4.60 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 10.07 C Lift Cond Lev (LCL): 921.82 mb = 811.77 m = 2663.26 ft Lev Free Conv (LFC): 916.82 mb = 855.67 m = 2807.30 ft Equ Level (EL): 906.82 mb = 944.17 m = 3097.62 ft B at Equ Level: 8.94 J/kg Max Parcel Lev (MPL): 876.82 mb = 1214.52 m = 3984.59 ft Wind level data Storm motion: 46 at 14 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 ---------------------------------------------------------- 0 989 241 20 3 -1.0 -2.8 | 233 11 8.9 6.8 1 925 784 30 9 -4.5 -7.8 | 252 6 5.5 1.8 2 850 1464 30 11 -5.5 -9.5 | 269 4 4.5 0.1 3 700 2982 10 17 -3.0 -16.7 | 315 10 7.0 -7.1 4 500 5500 15 27 -7.0 -26.1 | 350 17 3.0 -16.5 5 400 7090 20 44 -15.0 -41.3 | 9 32 -5.1 -31.7 6 300 9030 25 62 -26.2 -56.2 | 19 49 -16.2 -46.6 7 260 9952 25 68 -28.7 -61.6 | 20 55 -18.8 -52.0 8 250 10200 25 64 -27.0 -58.0 | 19 51 -17.1 -48.4 9 242 10404 25 62 -26.2 -56.2 | 19 49 -16.2 -46.6 10 200 11610 10 29 -5.0 -28.6 | 345 20 4.9 -18.9 11 150 13440 355 17 1.5 -16.9 | 303 14 11.4 -7.3 12 100 15990 330 15 7.5 -13.0 | 281 18 17.5 -3.4 13 70 18210 305 17 13.9 -9.8 | 270 24 23.9 -0.1 14 50 20290 285 19 18.4 -4.9 | 261 29 28.3 4.7 15 30 23440 270 27 27.0 -0.0 | 255 38 37.0 9.6 16 20 25940 265 38 37.9 3.3 | 255 50 47.8 12.9 17 10 30270 265 69 68.7 6.0 | 259 80 78.7 15.6 Wind Parameters Mean winds (0-6000m): 16.0 at 18.5 knts Storm direction: 46.0 at 13.8 knts Shear (0-3000m) pos: 1.3 neg: 1.5 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 87.8 deg Storm rel helicity (0-3000m) pos: 17.7 neg: 0.0 tot: 17.7 m^2/s^2 ave: 5.9 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.48 Bulk Shear: 21.89 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 27 6 239 9| 5.7 0.0 5.7| 5.7 0.0 5.7 11.4 0.44| 5.8 2.6 1000 29 8 245 7| 3.8 0.0 3.8| 7.4 0.0 7.4 7.4 0.49| 3.8 1.9 1500 29 9 252 6| 2.5 0.6 3.2| 9.6 0.0 9.6 6.4 0.58| 3.2 1.9 2000 27 10 262 6| 1.9 1.1 3.0| 12.3 0.0 12.3 6.2 0.62| 3.1 1.9 2500 23 11 275 6| 1.5 1.4 2.9| 14.5 0.0 14.5 5.8 0.58| 3.0 1.7 3000 20 12 285 6| 1.3 1.5 2.8| 17.7 0.0 17.7 5.9 0.58| 2.9 1.7 4000 17 14 302 7| 1.5 1.2 2.6| 27.5 0.0 27.5 6.9 0.62| 2.7 1.7 5000 16 16 317 8| 1.6 0.9 2.5| 38.1 0.0 38.1 7.6 0.63| 2.6 1.6 6000 16 18 329 9| 2.1 0.8 2.9| 61.8 0.0 61.8 10.3 0.60| 2.9 1.7 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251021.00.gif