UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102812.upa.cvt Date: 1200Z 28 OCT 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 28 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 9 SFC 972 242 6.0 1.7 74 4.3 4.0 180 3 281.4 282.2 278.5 293.8 4.45 2 925 645 1.2 -1.9 80 3.1 -0.1 210 11 280.5 281.1 276.9 290.6 3.59 3 908 794 0.0 -2.6 83 2.6 -1.0 211 12 280.8 281.4 276.9 290.5 3.47 4 850 1321 -3.1 -6.0 80 2.9 -4.2 215 17 282.9 283.4 277.2 291.1 2.87 5 827 1538 -3.5 -8.0 71 4.5 -5.1 217 18 284.7 285.1 277.7 292.0 2.53 6 724 2572 -11.9 -14.7 80 2.8 -12.7 227 20 286.5 286.8 277.4 291.5 1.69 7 700 2830 -12.1 -14.5 82 2.4 -12.8 230 21 289.1 289.4 278.8 294.4 1.77 8 500 5320 -29.5 -33.6 68 4.1 -30.0 250 21 297.1 297.2 280.7 298.6 0.45 9 476 5669 -31.5 -35.4 68 3.9 -31.9 244 21 298.8 298.9 281.4 300.1 0.39 10 400 6870 -42.5 -46.9 62 4.4 -42.7 225 19 299.8 299.8 281.4 300.2 0.14 11 358 7607 -49.5 -53.9 60 4.4 -49.6 232 16 300.0 300.0 281.4 300.3 0.07 12 344 7867 -50.7 -54.9 61 4.2 -50.8 235 15 301.8 301.9 282.2 302.1 0.06 13 314 8462 -50.1 -54.6 59 4.5 -50.2 222 20 310.7 310.7 285.7 310.9 0.07 14 300 8760 -48.9 -53.9 56 5.0 -49.1 215 23 316.4 316.4 287.7 316.7 0.08 15 250 9970 -46.7 -55.7 35 9.0 -47.1 225 27 336.6 336.7 293.6 337.0 0.08 16 218 10874 -46.7 -59.7 21 13.0 -47.2 225 27 350.1 350.1 296.7 350.3 0.06 17 213 11027 -47.9 -62.9 16 15.0 -48.4 225 27 350.5 350.6 296.8 350.7 0.04 18 200 11440 -48.3 -63.3 16 15.0 -48.8 225 27 356.3 356.3 298.0 356.5 0.04 19 150 13320 -50.9 -69.9 9 19.0 -51.4 240 36 382.4 382.4 302.6 382.5 0.02 20 101 15876 -54.7 -74.7 7 20.0 -55.2 230 27 420.8 420.8 307.8 420.9 0.02 21 100 15940 -54.9 -75.9 6 21.0 -55.4 230 27 421.7 421.7 307.9 421.7 0.01 22 82 17203 -54.5 -75.5 6 21.0 -55.2 236 27 447.1 447.1 310.6 447.2 0.02 23 70 18200 -59.3 -81.3 4 22.0 -59.7 240 27 457.5 457.5 311.5 457.6 0.01 24 57 19485 -62.1 -83.1 4 21.0 -62.5 252 31 478.9 478.9 313.4 478.9 0.01 25 50 20300 -61.3 -82.3 5 21.0 -61.8 260 33 499.0 499.0 314.9 499.1 0.01 26 31 23264 -61.7 -82.7 4 21.0 -62.4 571.1 571.1 319.2 571.1 0.01 TRP 344 7867 -50.7 -54.9 61 4.2 -50.8 235 15 301.8 301.9 282.2 302.1 0.06 WND Sounding variables and indices 1000-500 mb thick: 5311.00 m Freezing level: 908.00 mb = 794.22 m = 2605.68 ft Wetbulb zero: 926.12 mb = 635.19 m = 2083.94 ft Precipitable water: 0.41 inches Sfc-500 mean rel hum: 76.29 % Est. max temperature: 9.34 C = 48.81 F Sfc-Lift cond lev (LCL): 909.84 mb = 777.95 m = 2552.31 ft T: 0.13 C 700-500 lapse rate: 6.99 C/km ThetaE index: 3.27 C Layer 925.0- 850.0 mb Conv cond level (CCL): 857.70 mb = 1249.00 m = 4097.72 ft Mean mixing ratio: 3.66 g/kg Conv temperature: 7.18 C = 44.92 F Cap Strength: 2.65 C Lifted Index: 5.70 C Risk: None Lifted Index @300 mb: 17.82 C Lifted Index @700 mb: 2.65 C Showalter Index: 5.93 C Risk: None Total Totals Index: 49.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.40 C Cross Totals Index: 23.50 C K Index: 18.00 Risk: < 20 % chance of thunderstorms Sweat Index: 169.70 Risk: None Energy Index: 1.54 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.86 J/kg Max Up Vert Vel: 2.78 m/s Conv Inhibition (B-): 37904.60 J/kg Cap Strength: 5.57 C Lift Cond Lev (LCL): 877.35 mb = 1068.24 m = 3504.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 263 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 ---------------------------------------------------------- 0 972 242 180 3 0.0 3.0 | 96 14 -14.0 1.4 1 925 645 210 11 5.5 9.5 | 133 12 -8.5 7.9 2 850 1321 215 17 9.8 13.9 | 161 13 -4.2 12.3 3 700 2830 230 21 16.1 13.5 | 190 12 2.1 11.9 4 500 5320 250 21 19.7 7.2 | 226 8 5.7 5.6 5 400 6870 225 19 13.4 13.4 | 177 12 -0.6 11.8 6 344 7867 235 15 12.3 8.6 | 166 7 -1.7 7.0 7 300 8760 215 23 13.2 18.8 | 177 17 -0.8 17.2 8 250 9970 225 27 19.1 19.1 | 196 18 5.1 17.5 9 200 11440 225 27 19.1 19.1 | 196 18 5.1 17.5 10 150 13320 240 36 31.2 18.0 | 226 24 17.2 16.4 11 100 15940 230 27 20.7 17.4 | 203 17 6.7 15.7 12 70 18200 240 27 23.4 13.5 | 218 15 9.4 11.9 13 50 20300 260 33 32.5 5.7 | 257 19 18.5 4.1 Wind Parameters Mean winds (0-6000m): 233.4 at 18.8 knts Storm direction: 263.4 at 14.1 knts Shear (0-3000m) pos: 3.3 neg: 0.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 99.0 deg Storm rel helicity (0-3000m) pos: 71.9 neg: 0.0 tot: 71.9 m^2/s^2 ave: 24.0 10^-3 m/s^2 rel: 0.96 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.19 Bulk Shear: 20.35 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 ------------------------------------------------------------------------------- 500 206 8 117 12| 9.7 0.0 9.7| 31.8 0.0 31.8 63.6 0.96| 10.0 9.6 1000 210 11 133 12| 7.2 0.0 7.2| 45.9 0.0 45.9 45.9 0.96| 7.3 7.1 1500 213 13 144 12| 5.5 0.0 5.5| 53.9 0.0 53.9 35.9 0.96| 5.7 5.5 2000 216 15 152 11| 4.5 0.0 4.5| 60.7 0.0 60.7 30.4 0.97| 4.8 4.7 2500 219 16 159 11| 3.9 0.0 3.9| 67.7 0.0 67.7 27.1 0.97| 4.3 4.2 3000 222 17 164 11| 3.3 0.0 3.3| 71.9 0.0 71.9 24.0 0.96| 3.9 3.7 4000 226 18 174 11| 2.5 0.0 2.5| 78.4 0.0 78.4 19.6 0.94| 3.3 3.1 5000 231 18 182 10| 2.1 0.0 2.1| 84.3 0.0 84.3 16.9 0.93| 2.9 2.7 6000 233 19 186 10| 1.7 0.4 2.2| 84.5 -11.5 73.0 12.2 0.64| 2.9 1.9 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251028.12.gif