UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102800.upa.cvt Date: 0000Z 28 OCT 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 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 5 SFC 971 246 5.0 3.3 89 1.7 4.2 225 5 280.5 281.4 278.7 294.3 4.99 2 925 641 2.4 -0.5 81 2.9 1.1 265 11 281.8 282.4 278.1 292.9 3.98 3 850 1319 -1.7 -5.6 75 3.9 -3.2 230 21 284.4 284.9 278.1 292.8 2.96 4 786 1937 -6.7 -8.5 87 1.8 -7.3 214 19 285.4 285.9 278.1 292.9 2.56 5 711 2717 -9.7 -11.0 90 1.3 -10.1 193 15 290.4 290.9 280.1 297.3 2.32 6 700 2837 -10.5 -11.9 89 1.4 -10.9 190 15 290.9 291.2 280.2 297.4 2.19 7 500 5340 -27.3 -30.4 75 3.1 -27.8 185 33 299.8 299.9 282.1 301.8 0.61 8 400 6910 -38.5 -43.5 59 5.0 -38.8 190 31 305.0 305.0 283.7 305.7 0.20 9 395 6996 -39.1 -44.1 59 5.0 -39.4 190 31 305.3 305.3 283.8 306.0 0.19 10 300 8820 -55.3 -59.8 57 4.5 -55.4 190 35 307.4 307.4 284.4 307.6 0.04 11 293 8969 -56.1 -60.6 57 4.5 -56.2 190 33 308.3 308.4 284.7 308.5 0.04 12 250 9980 -52.3 -57.3 55 5.0 -52.4 205 27 328.3 328.3 291.3 328.6 0.07 13 200 11440 -49.9 -55.9 49 6.0 -50.1 230 31 353.8 353.8 297.5 354.2 0.10 14 188 11843 -49.1 -55.1 50 6.0 -49.4 232 34 361.4 361.4 299.1 361.9 0.12 15 157 13007 -53.1 -61.1 37 8.0 -53.4 238 42 373.7 373.7 301.2 374.0 0.07 16 150 13300 -52.7 -60.7 37 8.0 -53.0 240 44 379.3 379.3 302.2 379.6 0.07 17 100 15910 -55.7 -65.7 28 10.0 -56.1 230 23 420.1 420.1 307.7 420.4 0.06 18 70 18160 -59.1 -71.1 20 12.0 -59.5 250 33 457.9 458.0 311.6 458.2 0.04 19 53 19891 -61.9 -73.9 19 12.0 -62.3 242 26 489.4 489.4 314.2 489.6 0.03 20 50 20250 -63.7 -75.7 18 12.0 -64.0 240 25 493.4 493.4 314.5 493.5 0.03 21 48 20499 -65.3 -77.3 17 12.0 -65.5 242 26 495.4 495.4 314.6 495.5 0.02 22 33 22801 -61.5 -74.5 16 13.0 -62.1 260 36 561.5 561.5 318.8 561.8 0.05 23 30 23390 -62.7 -75.7 16 13.0 -63.3 265 38 573.7 573.7 319.3 574.0 0.04 24 20 25870 -64.9 -78.9 13 14.0 -65.5 265 60 637.5 637.5 322.2 637.8 0.04 25 17 26861 -65.1 -79.1 13 14.0 -65.8 667.2 667.2 323.3 667.6 0.05 26 16 27234 -61.7 -75.7 14 14.0 -62.9 690.0 690.0 324.1 690.7 0.08 27 12 29021 -60.4 -75.0 13 14.6 -62.0 255 75 753.9 754.0 326.1 755.0 0.12 28 10 30160 -59.5 -74.5 13 15.0 -61.6 797.4 797.5 327.2 799.0 0.16 TRP 293 8969 -56.1 -60.6 57 4.5 -56.2 190 33 308.3 308.4 284.7 308.5 0.04 WND 12 29021 -60.4 -75.0 13 14.6 -62.0 255 75 753.9 754.0 326.1 755.0 0.12 Sounding variables and indices 1000-500 mb thick: 5335.00 m Freezing level: 881.10 mb = 1037.88 m = 3405.07 ft Wetbulb zero: 905.40 mb = 812.72 m = 2666.36 ft Precipitable water: 0.48 inches Sfc-500 mean rel hum: 82.81 % Est. max temperature: 9.32 C = 48.77 F Sfc-Lift cond lev (LCL): 945.86 mb = 459.37 m = 1507.11 ft T: 3.59 C 700-500 lapse rate: 6.71 C/km ThetaE index: 1.43 C Layer 925.0- 786.0 mb Conv cond level (CCL): 852.20 mb = 1298.30 m = 4259.46 ft Mean mixing ratio: 4.00 g/kg Conv temperature: 8.75 C = 47.75 F Cap Strength: 3.02 C Lifted Index: 6.55 C Risk: None Lifted Index @300 mb: 10.13 C Lifted Index @700 mb: 3.02 C Showalter Index: 6.78 C Risk: None Total Totals Index: 47.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.60 C Cross Totals Index: 21.70 C K Index: 18.60 Risk: < 20 % chance of thunderstorms Sweat Index: 75.00 Risk: None Energy Index: 1.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.94 J/kg Max Up Vert Vel: 4.89 m/s Conv Inhibition (B-): 61819.14 J/kg Cap Strength: 6.50 C Lift Cond Lev (LCL): 881.86 mb = 1024.00 m = 3359.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 227 at 16 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 ---------------------------------------------------------- 0 971 246 225 5 3.5 3.5 | 48 11 -8.5 -7.7 1 925 641 265 11 11.0 1.0 | 6 10 -1.1 -10.3 2 850 1319 230 21 16.1 13.5 | 241 5 4.1 2.2 3 700 2837 190 15 2.6 14.8 | 110 10 -9.4 3.5 4 500 5340 185 33 2.9 32.9 | 157 23 -9.2 21.6 5 400 6910 190 31 5.4 30.5 | 161 20 -6.6 19.3 6 300 8820 190 35 6.1 34.5 | 166 24 -6.0 23.2 7 293 8969 190 33 5.7 32.5 | 163 22 -6.3 21.2 8 250 9980 205 27 11.4 24.5 | 177 13 -0.6 13.2 9 200 11440 230 31 23.7 19.9 | 234 15 11.7 8.7 10 150 13300 240 44 38.1 22.0 | 248 28 26.1 10.7 11 100 15910 230 23 17.6 14.8 | 238 7 5.6 3.5 12 70 18160 250 33 31.0 11.3 | 270 19 19.0 0.0 13 50 20250 240 25 21.7 12.5 | 263 10 9.6 1.2 14 30 23390 265 38 37.9 3.3 | 287 27 25.8 -8.0 15 20 25870 265 60 59.8 5.2 | 277 48 47.7 -6.0 Wind Parameters Mean winds (0-6000m): 196.9 at 22.0 knts Storm direction: 226.9 at 16.5 knts Shear (0-3000m) pos: 1.5 neg: 3.1 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 77.4 deg Storm rel helicity (0-3000m) pos: 7.4 neg: -51.9 tot: -44.5 m^2/s^2 ave: -14.8 10^-3 m/s^2 rel: -0.70 Storm rel vorticity (0-3000m) horiz: 6.7 stream: -4.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.25 Bulk Shear: 47.53 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 ------------------------------------------------------------------------------- 500 255 9 21 10| 9.2 0.0 9.2| 0.0 -21.5 -21.5 -43.0 -0.84| 10.4 -8.7 1000 247 13 5 6| 4.6 5.3 9.8| 0.0 -34.2 -34.2 -34.2 -0.84| 10.6 -8.8 1500 237 15 350 3| 3.1 4.4 7.4| 0.0 -40.2 -40.2 -26.8 -0.86| 9.1 -7.9 2000 230 16 352 1| 2.3 3.7 5.9| 0.0 -45.0 -45.0 -22.5 -0.86| 8.0 -6.9 2500 225 16 100 1| 1.8 3.2 5.0| 0.0 -50.8 -50.8 -20.3 -0.84| 7.3 -6.1 3000 219 16 122 2| 1.5 3.1 4.6| 7.4 -51.9 -44.5 -14.8 -0.70| 6.7 -4.7 4000 209 17 138 5| 1.1 3.1 4.3| 25.2 -51.9 -26.7 -6.7 -0.48| 5.9 -2.9 5000 201 20 145 9| 0.9 3.2 4.1| 41.3 -51.9 -10.6 -2.1 -0.36| 5.5 -2.0 6000 197 22 150 11| 0.9 2.7 3.6| 48.1 -51.9 -3.8 -0.6 -0.32| 4.8 -1.5 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251028.00.gif