UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102912.upa.cvt Date: 1200Z 29 OCT 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 29 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 54 SFC 977 246 7.8 4.5 80 3.3 6.2 225 11 282.8 283.8 280.4 297.8 5.40 2 945 520 4.0 1.4 83 2.6 2.8 249 13 281.7 282.4 278.7 294.1 4.48 3 925 694 3.0 0.7 85 2.3 2.0 265 15 282.4 283.1 278.9 294.5 4.35 4 850 1373 -1.5 -3.8 84 2.3 -2.4 265 15 284.6 285.2 278.7 294.2 3.39 5 700 2892 -11.9 -13.9 85 2.0 -12.5 270 17 289.3 289.6 279.0 294.9 1.86 6 678 3135 -13.7 -15.5 86 1.8 -14.2 270 18 289.9 290.2 279.1 295.0 1.69 7 500 5380 -28.3 -34.3 56 6.0 -29.0 270 23 298.5 298.6 281.3 299.9 0.42 8 484 5613 -29.9 -35.9 56 6.0 -30.6 270 24 299.4 299.4 281.6 300.6 0.37 9 420 6607 -38.7 -45.7 48 7.0 -39.1 270 29 300.5 300.5 281.8 301.0 0.15 10 400 6940 -41.9 -48.9 46 7.0 -42.2 270 31 300.5 300.6 281.7 300.9 0.11 11 342 7977 -51.7 -57.7 49 6.0 -51.8 276 31 301.0 301.0 281.8 301.2 0.05 12 308 8652 -54.5 -60.5 47 6.0 -54.6 280 31 306.2 306.2 284.0 306.3 0.04 13 300 8820 -54.3 -60.3 48 6.0 -54.4 280 29 308.8 308.8 284.9 309.0 0.04 14 294 8950 -54.5 -60.5 47 6.0 -54.6 281 29 310.3 310.3 285.5 310.5 0.04 15 250 10000 -49.9 -57.9 38 8.0 -50.1 285 31 331.9 331.9 292.3 332.1 0.06 16 222 10783 -48.3 -58.3 31 10.0 -48.7 285 31 345.8 345.8 295.8 346.1 0.07 17 200 11470 -49.9 -61.9 23 12.0 -50.3 285 31 353.8 353.8 297.5 354.0 0.05 18 150 13350 -50.9 -67.9 12 17.0 -51.4 265 29 382.4 382.4 302.6 382.5 0.03 19 100 15950 -55.5 -75.5 7 20.0 -56.0 270 31 420.5 420.5 307.8 420.6 0.01 20 74 17852 -59.7 -79.7 6 20.0 -60.1 270 26 449.5 449.5 310.8 449.5 0.01 21 70 18200 -59.1 -81.1 4 22.0 -59.6 270 25 457.9 458.0 311.6 458.0 0.01 22 50 20300 -61.7 -82.7 4 21.0 -62.1 250 27 498.1 498.1 314.8 498.1 0.01 23 45 20953 -60.9 -81.9 5 21.0 -61.4 251 27 515.3 515.3 316.0 515.3 0.01 24 40 21678 -64.1 -84.1 5 20.0 -64.5 252 28 524.9 524.9 316.6 524.9 0.01 25 33 22863 -61.1 -82.1 5 21.0 -61.8 254 29 562.5 562.5 318.8 562.6 0.01 26 30 23450 -64.1 -84.1 5 20.0 -64.7 255 29 569.9 569.9 319.2 570.0 0.01 27 29 23657 -64.5 -84.5 5 20.0 -65.0 574.3 574.3 319.4 574.4 0.01 28 28 23874 -59.9 -81.9 4 22.0 -60.9 592.9 592.9 320.3 593.0 0.02 29 24 24825 -65.3 -85.3 5 20.0 -65.9 604.0 604.0 320.8 604.0 0.01 30 20 25942 -62.7 -83.7 4 21.0 -63.6 644.2 644.3 322.4 644.4 0.02 TRP 308 8652 -54.5 -60.5 47 6.0 -54.6 280 31 306.2 306.2 284.0 306.3 0.04 WND Sounding variables and indices 1000-500 mb thick: 5326.00 m Freezing level: 875.00 mb = 1146.67 m = 3761.98 ft Wetbulb zero: 891.66 mb = 988.75 m = 3243.89 ft Precipitable water: 0.48 inches Sfc-500 mean rel hum: 78.44 % Est. max temperature: 10.22 C = 50.40 F Sfc-Lift cond lev (LCL): 928.94 mb = 659.41 m = 2163.39 ft T: 3.20 C 700-500 lapse rate: 6.59 C/km ThetaE index: 3.70 C Layer 945.0- 925.0 mb Conv cond level (CCL): 875.20 mb = 1138.44 m = 3734.99 ft Mean mixing ratio: 4.39 g/kg Conv temperature: 8.79 C = 47.82 F Cap Strength: 0.72 C Lifted Index: 4.32 C Risk: None Lifted Index @300 mb: 9.93 C Lifted Index @700 mb: 0.56 C Showalter Index: 4.79 C Risk: None Total Totals Index: 51.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.80 C Cross Totals Index: 24.50 C K Index: 21.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 99.00 Risk: None Energy Index: 1.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.97 J/kg Max Up Vert Vel: 3.73 m/s Conv Inhibition (B-): 48182.12 J/kg Cap Strength: 4.25 C Lift Cond Lev (LCL): 891.13 mb = 993.53 m = 3259.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 298 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 ---------------------------------------------------------- 0 977 246 225 11 7.8 7.8 | 162 15 -4.6 14.4 1 925 694 265 15 14.9 1.3 | 198 8 2.5 7.9 2 850 1373 265 15 14.9 1.3 | 198 8 2.5 7.9 3 700 2892 270 17 17.0 -0.0 | 215 8 4.6 6.6 4 500 5380 270 23 23.0 -0.0 | 238 12 10.6 6.6 5 400 6940 270 31 31.0 -0.0 | 250 20 18.6 6.6 6 308 8652 280 31 30.5 -5.4 | 266 18 18.1 1.2 7 300 8820 280 29 28.6 -5.0 | 264 16 16.1 1.6 8 250 10000 285 31 29.9 -8.0 | 275 18 17.5 -1.4 9 200 11470 285 31 29.9 -8.0 | 275 18 17.5 -1.4 10 150 13350 265 29 28.9 2.5 | 241 19 16.5 9.2 11 100 15950 270 31 31.0 -0.0 | 250 20 18.6 6.6 12 70 18200 270 25 25.0 -0.0 | 242 14 12.6 6.6 13 50 20300 250 27 25.4 9.2 | 219 20 13.0 15.9 14 30 23450 255 29 28.0 7.5 | 228 21 15.6 14.1 Wind Parameters Mean winds (0-6000m): 268.1 at 18.8 knts Storm direction: 298.1 at 14.1 knts Shear (0-3000m) pos: 2.2 neg: 0.0 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 57.2 deg Storm rel helicity (0-3000m) pos: 29.4 neg: 0.0 tot: 29.4 m^2/s^2 ave: 9.8 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 2.3 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.96 Bulk Shear: 7.26 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 ------------------------------------------------------------------------------- 500 250 13 180 11| 9.9 0.0 9.9| 22.6 0.0 22.6 45.2 0.73| 10.2 7.4 1000 258 14 188 10| 5.0 0.0 5.0| 22.6 0.0 22.6 22.6 0.73| 5.1 3.7 1500 261 14 192 9| 3.5 0.0 3.5| 23.9 0.0 23.9 15.9 0.74| 3.6 2.7 2000 263 15 195 9| 2.8 0.0 2.8| 25.6 0.0 25.6 12.8 0.76| 2.9 2.2 2500 264 15 198 9| 2.4 0.0 2.4| 27.3 0.0 27.3 10.9 0.77| 2.5 1.9 3000 265 15 201 9| 2.2 0.0 2.2| 29.4 0.0 29.4 9.8 0.78| 2.3 1.8 4000 267 16 207 9| 1.6 0.3 1.9| 33.6 0.0 33.6 8.4 0.77| 2.0 1.5 5000 268 17 214 9| 1.3 0.5 1.8| 37.8 0.0 37.8 7.6 0.75| 1.9 1.4 6000 268 19 221 10| 1.1 0.8 1.9| 46.2 0.0 46.2 7.7 0.69| 2.0 1.3 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251029.12.gif