UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101312.upa.cvt Date: 1200Z 13 OCT 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 13 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 72 SFC 979 246 5.0 2.3 83 2.7 3.8 290 11 279.8 280.6 277.9 292.6 4.61 2 953 465 1.8 -0.5 85 2.3 0.8 299 16 278.8 279.4 276.4 289.5 3.86 3 925 705 0.4 -2.2 83 2.6 -0.7 310 21 279.7 280.3 276.4 289.5 3.51 4 850 1378 -3.9 -6.5 82 2.6 -4.8 315 21 282.1 282.5 276.6 289.9 2.76 5 725 2613 -11.5 -14.8 76 3.3 -12.4 311 18 286.9 287.1 277.6 291.8 1.67 6 700 2881 -13.7 -17.7 72 4.0 -14.7 310 17 287.3 287.6 277.3 291.4 1.36 7 538 4821 -28.7 -32.1 72 3.4 -29.1 318 25 291.9 292.0 278.3 293.4 0.48 8 500 5340 -33.1 -37.5 65 4.4 -33.5 320 27 292.7 292.7 278.4 293.7 0.30 9 400 6860 -46.1 -53.1 45 7.0 -46.3 310 15 295.1 295.1 279.2 295.3 0.07 10 370 7375 -49.9 -55.9 49 6.0 -50.0 310 15 296.7 296.7 280.0 296.9 0.05 11 368 7411 -49.9 -55.9 49 6.0 -50.0 310 15 297.1 297.1 280.1 297.3 0.05 12 300 8760 -46.3 -54.3 40 8.0 -46.6 285 17 320.1 320.1 288.9 320.4 0.08 13 250 9980 -44.1 -58.1 20 14.0 -44.7 295 13 340.5 340.5 294.5 340.8 0.06 14 229 10570 -43.3 -60.3 14 17.0 -44.0 301 13 350.4 350.4 296.8 350.6 0.05 15 216 10964 -44.1 -63.1 10 19.0 -44.9 305 13 355.0 355.0 297.7 355.2 0.04 16 200 11480 -44.7 -64.7 9 20.0 -45.5 310 13 362.0 362.0 299.1 362.1 0.03 17 150 13400 -46.9 -70.9 5 24.0 -47.7 280 9 389.2 389.3 303.7 389.3 0.02 18 129 14394 -46.9 -70.9 5 24.0 -47.9 295 8 406.4 406.4 306.0 406.5 0.02 19 100 16050 -53.3 -76.3 4 23.0 -53.9 320 5 424.7 424.7 308.3 424.8 0.01 20 70 18330 -55.7 -77.7 5 22.0 -56.3 320 7 465.2 465.2 312.3 465.3 0.01 21 50 20460 -57.9 -79.9 4 22.0 -58.6 320 9 507.0 507.0 315.4 507.1 0.01 22 36 22528 -60.3 -82.3 4 22.0 -61.0 333 8 550.8 550.8 318.1 550.9 0.01 23 30 23670 -59.7 -81.7 4 22.0 -60.6 340 7 581.9 581.9 319.8 582.0 0.02 24 20 26210 -58.9 -80.9 4 22.0 -60.3 260 15 655.9 655.9 322.9 656.1 0.03 25 19 26533 -57.9 -79.9 4 22.0 -59.6 668.7 668.7 323.4 669.0 0.04 26 15 28019 -59.1 -81.1 4 22.0 -60.9 711.5 711.5 324.8 711.8 0.04 27 10 30611 -50.7 -73.7 5 23.0 -55.6 830.3 830.4 328.0 832.1 0.18 TRP 368 7411 -49.9 -55.9 49 6.0 -50.0 310 15 297.1 297.1 280.1 297.3 0.05 WND Sounding variables and indices 1000-500 mb thick: 5268.00 m Freezing level: 918.02 mb = 767.60 m = 2518.36 ft Wetbulb zero: 937.56 mb = 596.24 m = 1956.15 ft Precipitable water: 0.38 inches Sfc-500 mean rel hum: 75.79 % Est. max temperature: 7.96 C = 46.33 F Sfc-Lift cond lev (LCL): 939.09 mb = 583.05 m = 1912.86 ft T: 1.11 C 700-500 lapse rate: 7.89 C/km ThetaE index: 3.11 C Layer 953.0- 925.0 mb Conv cond level (CCL): 872.85 mb = 1166.85 m = 3828.21 ft Mean mixing ratio: 3.63 g/kg Conv temperature: 6.48 C = 43.66 F Cap Strength: 2.98 C Lifted Index: 3.15 C Risk: None Lifted Index @300 mb: 21.41 C Lifted Index @700 mb: 1.95 C Showalter Index: 3.18 C Risk: None Total Totals Index: 55.80 C Risk: Severe Thunderstorms probable Vertical Totals Index: 29.20 C Cross Totals Index: 26.60 C K Index: 18.70 Risk: < 20 % chance of thunderstorms Sweat Index: 205.00 Risk: None Energy Index: 0.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.83 J/kg Max Up Vert Vel: 4.20 m/s Conv Inhibition (B-): 64784.00 J/kg Cap Strength: 3.14 C Lift Cond Lev (LCL): 892.89 mb = 986.16 m = 3235.39 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 345 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 ---------------------------------------------------------- 0 979 246 290 11 10.3 -3.8 | 208 13 6.1 11.4 1 925 705 310 21 16.1 -13.5 | 262 12 11.9 1.7 2 850 1378 315 21 14.8 -14.8 | 268 11 10.7 0.3 3 700 2881 310 17 13.0 -10.9 | 244 10 8.8 4.2 4 500 5340 320 27 17.4 -20.7 | 293 14 13.2 -5.5 5 400 6860 310 15 11.5 -9.6 | 233 9 7.3 5.5 6 368 7411 310 15 11.5 -9.6 | 233 9 7.3 5.5 7 300 8760 285 17 16.4 -4.4 | 229 16 12.2 10.8 8 250 9980 295 13 11.8 -5.5 | 218 12 7.6 9.7 9 200 11480 310 13 10.0 -8.4 | 220 9 5.8 6.8 10 150 13400 280 9 8.9 -1.6 | 199 14 4.7 13.6 11 100 16050 320 5 3.2 -3.8 | 175 11 -1.0 11.3 12 70 18330 320 7 4.5 -5.4 | 182 10 0.3 9.8 13 50 20460 320 9 5.8 -6.9 | 191 8 1.6 8.3 14 30 23670 340 7 2.4 -6.6 | 168 9 -1.8 8.6 15 20 26210 260 15 14.8 2.6 | 211 21 10.6 17.8 Wind Parameters Mean winds (0-6000m): 314.6 at 21.0 knts Storm direction: 344.6 at 15.7 knts Shear (0-3000m) pos: 2.2 neg: 0.7 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 44.9 deg Storm rel helicity (0-3000m) pos: 43.8 neg: -10.9 tot: 32.9 m^2/s^2 ave: 11.0 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.04 Bulk Shear: 4.34 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 ------------------------------------------------------------------------------- 500 304 16 237 11| 11.7 0.0 11.7| 36.7 0.0 36.7 73.5 0.99| 11.9 11.8 1000 309 19 252 11| 6.1 0.0 6.1| 39.5 0.0 39.5 39.5 0.96| 6.6 6.4 1500 311 19 256 11| 4.1 0.3 4.4| 40.0 -2.7 37.4 24.9 0.82| 4.9 4.0 2000 311 19 257 11| 3.0 0.6 3.7| 40.0 -6.5 33.6 16.8 0.65| 4.0 2.6 2500 311 19 256 10| 2.4 0.8 3.2| 40.0 -10.2 29.9 11.9 0.51| 3.5 1.8 3000 311 19 255 10| 2.2 0.7 2.9| 43.8 -10.9 32.9 11.0 0.53| 3.2 1.7 4000 312 19 257 10| 2.2 0.5 2.7| 55.2 -10.9 44.3 11.1 0.60| 3.0 1.8 5000 314 20 264 11| 2.2 0.4 2.6| 67.8 -10.9 56.9 11.4 0.64| 2.8 1.8 6000 315 21 268 11| 1.9 0.9 2.8| 68.9 -30.7 38.2 6.4 0.33| 3.0 1.0 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251013.12.gif