UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101912.upa.cvt Date: 1200Z 19 OCT 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 19 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 134 SFC 987 241 6.6 5.5 93 1.1 6.1 45 7 280.8 281.8 279.8 296.6 5.74 2 925 768 3.0 1.5 90 1.5 2.3 90 21 282.4 283.2 279.2 295.2 4.61 3 850 1452 -1.3 -4.0 82 2.7 -2.4 110 17 284.8 285.4 278.8 294.3 3.34 4 700 2973 -11.1 -14.5 76 3.4 -12.1 125 7 290.2 290.5 279.3 295.5 1.77 5 645 3594 -15.1 -19.3 70 4.2 -16.1 123 8 292.5 292.8 279.8 296.5 1.29 6 500 5460 -29.5 -35.5 56 6.0 -30.2 115 11 297.1 297.1 280.6 298.3 0.37 7 441 6346 -36.9 -43.9 48 7.0 -37.4 152 17 298.6 298.6 281.0 299.2 0.18 8 400 7020 -39.3 -48.3 38 9.0 -39.8 180 21 303.9 303.9 283.1 304.3 0.12 9 350 7922 -46.5 -57.5 28 11.0 -46.8 152 18 306.0 306.0 283.9 306.2 0.05 10 343 8057 -47.1 -58.1 27 11.0 -47.4 148 18 307.0 307.0 284.2 307.1 0.04 11 300 8940 -49.7 -61.7 23 12.0 -50.0 120 15 315.3 315.3 287.2 315.4 0.03 12 267 9695 -51.9 -63.9 22 12.0 -52.1 130 13 322.8 322.8 289.6 322.9 0.03 13 250 10120 -51.3 -64.3 20 13.0 -51.6 100 5 329.8 329.8 291.7 329.9 0.03 14 231 10632 -52.5 -64.5 22 12.0 -52.8 84 4 335.5 335.5 293.2 335.6 0.03 15 223 10861 -49.9 -63.9 18 14.0 -50.3 77 4 342.9 342.9 295.0 343.0 0.03 16 200 11570 -51.3 -65.3 17 14.0 -51.7 55 3 351.5 351.5 297.0 351.7 0.03 17 182 12182 -53.9 -67.9 16 14.0 -54.2 29 5 356.9 356.9 298.1 357.0 0.02 18 150 13430 -53.5 -68.5 14 15.0 -53.9 335 9 377.9 377.9 301.9 378.0 0.03 19 100 16010 -56.5 -72.5 12 16.0 -56.9 305 11 418.6 418.6 307.6 418.7 0.02 20 70 18260 -59.3 -75.3 11 16.0 -59.7 275 9 457.5 457.5 311.5 457.6 0.02 21 61 19119 -60.7 -77.7 9 17.0 -61.1 281 9 472.8 472.8 312.9 472.9 0.02 22 50 20360 -59.3 -76.3 9 17.0 -59.9 290 9 503.7 503.7 315.2 503.9 0.02 23 46 20883 -58.7 -75.7 9 17.0 -59.4 517.3 517.4 316.1 517.5 0.03 24 35 22579 -63.9 -79.9 10 16.0 -64.4 545.8 545.8 317.9 546.0 0.02 TRP 267 9695 -51.9 -63.9 22 12.0 -52.1 130 13 322.8 322.8 289.6 322.9 0.03 WND Sounding variables and indices 1000-500 mb thick: 5326.00 m Freezing level: 872.67 mb = 1245.21 m = 4085.28 ft Wetbulb zero: 888.12 mb = 1097.11 m = 3599.41 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 74.33 % Est. max temperature: 11.01 C = 51.81 F Sfc-Lift cond lev (LCL): 970.59 mb = 377.15 m = 1237.37 ft T: 5.67 C 700-500 lapse rate: 7.40 C/km ThetaE index: 2.25 C Layer 925.0- 700.0 mb Conv cond level (CCL): 903.03 mb = 962.47 m = 3157.68 ft Mean mixing ratio: 4.82 g/kg Conv temperature: 8.86 C = 47.94 F Cap Strength: 1.64 C Lifted Index: 2.65 C Risk: None Lifted Index @300 mb: 14.09 C Lifted Index @700 mb: 0.95 C Showalter Index: 3.53 C Risk: None Total Totals Index: 53.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.20 C Cross Totals Index: 25.50 C K Index: 20.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 139.00 Risk: None Energy Index: 0.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.14 J/kg Max Up Vert Vel: 4.50 m/s Conv Inhibition (B-): 36361.19 J/kg Cap Strength: 2.58 C Lift Cond Lev (LCL): 915.69 mb = 849.87 m = 2788.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 143 at 9 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 ---------------------------------------------------------- 0 987 241 45 7 -4.9 -4.9 | 358 12 0.4 -12.0 1 925 768 90 21 -21.0 0.0 | 66 17 -15.7 -7.1 2 850 1452 110 17 -16.0 5.8 | 83 11 -10.6 -1.3 3 700 2973 125 7 -5.7 4.0 | 7 3 -0.4 -3.1 4 500 5460 115 11 -10.0 4.6 | 62 5 -4.6 -2.4 5 400 7020 180 21 0.0 21.0 | 201 15 5.3 13.9 6 300 8940 120 15 -13.0 7.5 | 93 8 -7.6 0.4 7 267 9695 130 13 -10.0 8.4 | 105 5 -4.6 1.3 8 250 10120 100 5 -4.9 0.9 | 356 6 0.4 -6.2 9 200 11570 55 3 -2.5 -1.7 | 342 9 2.9 -8.8 10 150 13430 335 9 3.8 -8.2 | 329 18 9.1 -15.2 11 100 16010 305 11 9.0 -6.3 | 313 20 14.4 -13.4 12 70 18260 275 9 9.0 -0.8 | 299 16 14.3 -7.9 13 50 20360 290 9 8.5 -3.1 | 306 17 13.8 -10.2 Wind Parameters Mean winds (0-6000m): 113.0 at 11.8 knts Storm direction: 143.0 at 8.9 knts Shear (0-3000m) pos: 1.6 neg: 0.0 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 17.5 deg Storm rel helicity (0-3000m) pos: 82.3 neg: -5.9 tot: 76.4 m^2/s^2 ave: 25.5 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.27 Bulk Shear: 8.01 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 78 14 39 13| 16.3 0.0 16.3| 61.9 0.0 61.9 123.7 0.96| 17.4 16.6 1000 89 17 57 14| 8.1 0.0 8.1| 78.7 0.0 78.7 78.7 0.88| 11.9 10.4 1500 96 17 64 13| 4.8 0.0 4.8| 82.1 -0.4 81.6 54.4 0.77| 9.4 7.3 2000 100 16 67 11| 3.0 0.0 3.0| 82.1 -2.3 79.8 39.9 0.65| 7.9 5.2 2500 102 15 66 10| 2.0 0.0 2.0| 82.1 -4.8 77.3 30.9 0.52| 7.1 3.6 3000 104 14 64 9| 1.6 0.0 1.6| 82.3 -5.9 76.4 25.5 0.46| 6.2 2.9 4000 107 12 61 7| 1.2 0.2 1.4| 83.7 -5.9 77.8 19.4 0.48| 4.9 2.3 5000 109 12 60 7| 0.9 0.4 1.3| 85.0 -5.9 79.0 15.8 0.49| 4.1 2.0 6000 113 12 66 6| 1.5 0.3 1.8| 97.8 -5.9 91.9 15.3 0.58| 4.2 2.4 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251019.12.gif