UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101500.upa.cvt Date: 0000Z 15 OCT 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 15 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 128 SFC 986 243 3.8 1.8 87 2.0 2.9 250 5 278.1 278.8 276.7 290.2 4.41 2 925 758 0.2 -1.2 90 1.4 -0.4 300 19 279.5 280.2 276.7 290.0 3.78 3 856 1375 -4.7 -7.0 84 2.3 -5.5 295 23 280.7 281.1 275.7 288.1 2.64 4 850 1430 -4.9 -7.6 81 2.7 -5.8 295 23 281.0 281.4 275.7 288.2 2.54 5 700 2934 -12.7 -14.5 86 1.8 -13.2 310 23 288.4 288.7 278.5 293.7 1.77 6 547 4772 -23.9 -26.1 82 2.2 -24.3 321 30 296.2 296.3 280.8 298.8 0.83 7 500 5420 -29.3 -31.8 79 2.5 -29.6 325 33 297.3 297.4 280.9 299.1 0.53 8 400 6970 -41.7 -44.1 77 2.4 -41.8 350 42 300.8 300.8 282.0 301.5 0.19 9 359 7695 -47.7 -50.1 76 2.4 -47.8 355 48 302.2 302.2 282.4 302.6 0.11 10 347 7919 -49.1 -51.8 73 2.7 -49.2 357 50 303.3 303.3 282.8 303.6 0.09 11 325 8348 -51.1 -54.0 71 2.9 -51.2 360 54 306.2 306.2 284.0 306.5 0.08 12 300 8870 -50.9 -54.4 66 3.5 -51.0 360 54 313.6 313.6 286.7 313.9 0.08 13 280 9317 -50.5 -54.5 62 4.0 -50.6 360 49 320.4 320.4 289.0 320.8 0.08 14 250 10060 -46.3 -52.3 51 6.0 -46.6 360 42 337.2 337.3 293.7 337.7 0.12 15 200 11540 -47.1 -56.1 35 9.0 -47.5 350 36 358.2 358.2 298.4 358.6 0.10 16 178 12309 -48.7 -59.7 27 11.0 -49.1 346 35 367.7 367.7 300.2 368.0 0.07 17 150 13430 -50.5 -62.5 23 12.0 -51.0 340 33 383.1 383.1 302.8 383.3 0.06 18 118 14989 -51.7 -64.7 20 13.0 -52.2 346 24 408.1 408.1 306.3 408.3 0.05 19 100 16050 -56.3 -70.3 16 14.0 -56.7 350 17 418.9 419.0 307.6 419.1 0.03 20 70 18300 -58.5 -73.5 13 15.0 -58.9 340 13 459.2 459.2 311.7 459.4 0.03 21 50 20420 -58.5 -72.5 15 14.0 -59.1 345 9 505.6 505.6 315.4 505.9 0.04 22 33 23016 -60.9 -74.9 14 14.0 -61.6 312 9 563.1 563.1 318.8 563.4 0.04 23 30 23610 -59.3 -74.3 13 15.0 -60.2 305 9 583.0 583.0 319.8 583.4 0.05 24 20 26150 -57.1 -73.1 11 16.0 -58.7 275 19 661.4 661.4 323.2 662.2 0.10 25 15 27975 -56.1 -72.1 12 16.0 -58.3 721.4 721.5 325.1 722.8 0.15 TRP 325 8348 -51.1 -54.0 71 2.9 -51.2 360 54 306.2 306.2 284.0 306.5 0.08 WND Sounding variables and indices 1000-500 mb thick: 5292.00 m Freezing level: 922.18 mb = 783.17 m = 2569.41 ft Wetbulb zero: 932.26 mb = 694.92 m = 2279.89 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 84.31 % Est. max temperature: 7.36 C = 45.26 F Sfc-Lift cond lev (LCL): 955.94 mb = 492.43 m = 1615.57 ft T: 2.05 C 700-500 lapse rate: 6.68 C/km ThetaE index: 2.04 C Layer 925.0- 850.0 mb Conv cond level (CCL): 902.36 mb = 955.10 m = 3133.48 ft Mean mixing ratio: 3.83 g/kg Conv temperature: 5.61 C = 42.10 F Cap Strength: 6.78 C Lifted Index: 7.07 C Risk: None Lifted Index @300 mb: 16.87 C Lifted Index @700 mb: 3.01 C Showalter Index: 8.24 C Risk: None Total Totals Index: 46.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.40 C Cross Totals Index: 21.70 C K Index: 15.00 Risk: None Sweat Index: 79.00 Risk: None Energy Index: 2.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.18 J/kg Max Up Vert Vel: 4.05 m/s Conv Inhibition (B-): 4.90 J/kg Cap Strength: 7.02 C Lift Cond Lev (LCL): 911.55 mb = 874.51 m = 2869.09 ft Lev Free Conv (LFC): 866.55 mb = 1277.17 m = 4190.14 ft Equ Level (EL): 846.55 mb = 1461.52 m = 4794.94 ft B at Equ Level: 8.07 J/kg Max Parcel Lev (MPL): 796.55 mb = 1933.11 m = 6342.15 ft Wind level data Storm motion: 345 at 19 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 ---------------------------------------------------------- 0 986 243 250 5 4.7 1.7 | 179 20 -0.3 20.4 1 925 758 300 19 16.5 -9.5 | 231 15 11.4 9.2 2 850 1430 295 23 20.8 -9.7 | 241 18 15.8 9.0 3 700 2934 310 23 17.6 -14.8 | 253 13 12.6 3.9 4 500 5420 325 33 18.9 -27.0 | 301 16 13.9 -8.4 5 400 6970 350 42 7.3 -41.4 | 354 23 2.3 -22.7 6 325 8348 360 54 -0.0 -54.0 | 8 36 -5.0 -35.3 7 300 8870 360 54 -0.0 -54.0 | 8 36 -5.0 -35.3 8 250 10060 360 42 -0.0 -42.0 | 12 24 -5.0 -23.3 9 200 11540 350 36 6.3 -35.5 | 356 17 1.2 -16.8 10 150 13430 340 33 11.3 -31.0 | 333 14 6.3 -12.3 11 100 16050 350 17 3.0 -16.7 | 133 3 -2.1 1.9 12 70 18300 340 13 4.4 -12.2 | 175 6 -0.6 6.5 13 50 20420 345 9 2.3 -8.7 | 165 10 -2.7 10.0 14 30 23610 305 9 7.4 -5.2 | 190 14 2.4 13.5 15 20 26150 275 19 18.9 -1.7 | 219 22 13.9 17.0 Wind Parameters Mean winds (0-6000m): 315.0 at 25.8 knts Storm direction: 345.0 at 19.3 knts Shear (0-3000m) pos: 3.4 neg: 0.6 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 80.1 deg Storm rel helicity (0-3000m) pos: 109.9 neg: 0.0 tot: 109.9 m^2/s^2 ave: 36.6 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 4.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.24 Bulk Shear: 33.59 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 ------------------------------------------------------------------------------- 500 290 12 202 16| 16.2 0.0 16.2| 77.3 0.0 77.3 154.6 0.94| 17.5 16.4 1000 295 16 219 15| 8.1 1.7 9.8| 87.9 0.0 87.9 87.9 0.90| 10.6 9.5 1500 296 18 227 16| 5.8 1.2 7.0| 94.1 0.0 94.1 62.8 0.86| 7.9 6.8 2000 297 19 232 16| 4.5 0.9 5.4| 99.0 0.0 99.0 49.5 0.84| 6.4 5.4 2500 299 20 235 15| 3.7 0.7 4.4|103.3 0.0 103.3 41.3 0.82| 5.6 4.5 3000 301 21 238 15| 3.4 0.6 4.0|109.9 0.0 109.9 36.6 0.82| 5.0 4.1 4000 305 22 246 14| 3.1 0.4 3.6|127.2 0.0 127.2 31.8 0.84| 4.4 3.7 5000 310 24 256 14| 3.0 0.3 3.3|146.2 0.0 146.2 29.2 0.86| 4.0 3.5 6000 315 26 268 13| 3.1 0.3 3.4|191.6 0.0 191.6 31.9 0.88| 4.3 3.7 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251015.00.gif