UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101012.upa.cvt Date: 1200Z 10 OCT 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 10 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 75 SFC 980 243 9.6 8.0 90 1.6 8.8 290 5 284.4 285.6 282.8 303.5 6.88 2 925 720 6.2 4.5 89 1.7 5.4 310 15 285.6 286.6 282.0 301.7 5.71 3 850 1410 2.6 0.9 89 1.7 1.8 315 11 288.9 289.7 282.4 302.6 4.80 4 700 2957 -5.9 -7.5 88 1.6 -6.5 305 15 296.0 296.5 283.5 305.3 3.11 5 696 3002 -6.3 -7.9 88 1.6 -6.9 303 15 296.0 296.5 283.4 305.1 3.03 6 670 3300 -5.9 -7.3 90 1.4 -6.5 293 15 299.7 300.3 285.2 309.7 3.30 7 588 4310 -11.7 -13.1 89 1.4 -12.2 256 14 304.3 304.8 285.9 311.8 2.37 8 546 4876 -12.9 -14.1 91 1.2 -13.3 235 14 309.4 309.9 287.8 317.0 2.35 9 528 5130 -15.1 -16.0 93 0.9 -15.4 225 13 309.8 310.2 287.6 316.5 2.08 10 500 5540 -17.9 -22.6 67 4.7 -19.0 210 13 311.2 311.5 287.2 315.4 1.24 11 400 7170 -29.9 -34.6 64 4.7 -30.5 180 17 316.1 316.2 288.1 317.9 0.51 12 371 7702 -33.5 -39.5 55 6.0 -34.1 176 17 318.2 318.3 288.6 319.4 0.33 13 349 8127 -38.5 -45.5 48 7.0 -39.0 173 17 317.1 317.1 288.0 317.8 0.19 14 328 8551 -41.1 -48.1 47 7.0 -41.5 170 17 319.2 319.2 288.6 319.7 0.15 15 305 9040 -46.3 -54.3 40 8.0 -46.6 166 17 318.6 318.6 288.4 318.9 0.08 16 300 9150 -46.3 -54.3 40 8.0 -46.6 165 17 320.1 320.1 288.9 320.4 0.08 17 269 9867 -54.5 -62.5 37 8.0 -54.6 179 21 318.3 318.3 288.2 318.4 0.03 18 267 9915 -55.3 -63.3 36 8.0 -55.4 180 21 317.8 317.8 288.1 317.9 0.03 19 250 10340 -53.3 -60.3 42 7.0 -53.5 195 29 326.8 326.8 290.9 327.0 0.05 20 210 11471 -48.7 -57.7 34 9.0 -49.1 191 20 350.7 350.7 296.8 351.0 0.07 21 200 11790 -49.1 -58.1 34 9.0 -49.4 190 17 355.0 355.0 297.8 355.3 0.07 22 150 13660 -52.3 -63.3 25 11.0 -52.7 205 19 380.0 380.0 302.3 380.2 0.05 23 107 15824 -56.5 -70.5 16 14.0 -56.9 410.5 410.5 306.6 410.7 0.03 TRP 267 9915 -55.3 -63.3 36 8.0 -55.4 180 21 317.8 317.8 288.1 317.9 0.03 WND Sounding variables and indices 1000-500 mb thick: 5465.00 m Freezing level: 804.12 mb = 1883.20 m = 6178.40 ft Wetbulb zero: 817.95 mb = 1716.21 m = 5630.55 ft Precipitable water: 0.79 inches Sfc-500 mean rel hum: 88.44 % Est. max temperature: 14.92 C = 58.86 F Sfc-Lift cond lev (LCL): 956.48 mb = 443.61 m = 1455.39 ft T: 8.17 C 700-500 lapse rate: 4.65 C/km ThetaE index: 1.79 C Layer 925.0- 850.0 mb Conv cond level (CCL): 884.86 mb = 1081.99 m = 3549.79 ft Mean mixing ratio: 5.90 g/kg Conv temperature: 12.53 C = 54.56 F Cap Strength: 9.17 C Lifted Index: 9.50 C Risk: None Lifted Index @300 mb: 12.74 C Lifted Index @700 mb: 2.22 C Showalter Index: 9.27 C Risk: None Total Totals Index: 39.30 C Risk: None Vertical Totals Index: 20.50 C Cross Totals Index: 18.80 C K Index: 19.80 Risk: < 20 % chance of thunderstorms Sweat Index: 45.80 Risk: None Energy Index: 2.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.10 J/kg Max Up Vert Vel: 4.92 m/s Conv Inhibition (B-): 11585.53 J/kg Cap Strength: 9.35 C Lift Cond Lev (LCL): 906.01 mb = 889.25 m = 2917.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 309 at 10 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 ---------------------------------------------------------- 0 980 243 290 5 4.7 -1.7 | 146 5 -3.1 4.5 1 925 720 310 15 11.5 -9.6 | 312 5 3.7 -3.4 2 850 1410 315 11 7.8 -7.8 | 0 2 -0.0 -1.5 3 700 2957 305 15 12.3 -8.6 | 298 5 4.5 -2.3 4 500 5540 210 13 6.5 11.3 | 176 18 -1.3 17.5 5 400 7170 180 17 0.0 17.0 | 161 25 -7.8 23.3 6 300 9150 165 17 -4.4 16.4 | 152 26 -12.2 22.7 7 267 9915 180 21 0.0 21.0 | 164 28 -7.8 27.3 8 250 10340 195 29 7.5 28.0 | 180 34 -0.3 34.3 9 200 11790 190 17 3.0 16.7 | 168 24 -4.8 23.0 10 150 13660 205 19 8.0 17.2 | 181 23 0.2 23.5 Wind Parameters Mean winds (0-6000m): 278.8 at 13.3 knts Storm direction: 308.8 at 10.0 knts Shear (0-3000m) pos: 1.3 neg: 0.9 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 122.8 deg Storm rel helicity (0-3000m) pos: 6.3 neg: -5.8 tot: 0.5 m^2/s^2 ave: 0.2 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.39 Bulk Shear: 5.07 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 ------------------------------------------------------------------------------- 500 305 10 238 1| 10.6 0.0 10.6| 4.8 0.0 4.8 9.6 0.68| 11.2 7.6 1000 309 12 310 2| 3.9 0.0 3.9| 6.0 0.0 6.0 6.0 0.63| 7.1 4.5 1500 311 12 321 2| 2.6 0.1 2.7| 6.3 -0.3 6.0 4.0 0.55| 5.4 3.0 2000 311 12 320 2| 2.0 0.4 2.4| 6.3 -1.0 5.4 2.7 0.45| 4.4 2.0 2500 310 12 315 2| 1.6 0.6 2.2| 6.3 -1.7 4.6 1.9 0.38| 3.8 1.4 3000 308 13 307 3| 1.3 0.9 2.2| 6.3 -5.8 0.5 0.2 0.18| 3.8 0.7 4000 301 13 277 4| 1.0 1.6 2.6| 6.3 -21.8 -15.5 -3.9 -0.11| 4.0 -0.5 5000 291 13 252 5| 0.8 1.9 2.7| 6.3 -47.2 -40.8 -8.2 -0.26| 4.1 -1.1 6000 279 13 232 7| 0.7 2.0 2.6| 6.3 -66.1 -59.8 -10.0 -0.31| 4.0 -1.2 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251010.12.gif