UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 28 APR 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 ------------------------------------------------------------------------------- SFC 1001 243 -2.9 -7.4 71 4.5 -4.3 0 0 270.2 270.5 268.7 276.1 2.19 1 1000 251 -2.5 -7.4 69 4.9 -4.1 0 0 270.6 271.0 269.1 276.6 2.19 2 984 380 1.6 -6.4 55 8.0 -1.3 358 2 276.0 276.4 272.7 282.7 2.40 3 955 620 -0.5 -13.5 37 13.0 -4.3 354 6 276.3 276.5 271.3 280.3 1.41 4 925 874 -2.1 -14.1 39 12.0 -5.5 350 11 277.2 277.4 271.8 281.2 1.39 5 850 1542 -7.9 -16.9 48 9.0 -10.1 340 19 277.9 278.1 271.9 281.4 1.20 6 792 2083 -12.5 -18.5 61 6.0 -13.9 338 22 278.6 278.8 272.2 281.9 1.12 7 788 2121 -12.9 -18.9 61 6.0 -14.2 338 22 278.6 278.8 272.2 281.8 1.09 8 764 2356 -11.3 -24.3 33 13.0 -13.9 337 23 282.8 282.9 274.0 284.9 0.70 9 728 2723 -13.1 -38.1 10 25.0 -16.4 336 25 284.8 284.8 274.2 285.4 0.20 10 702 2998 -13.7 -25.7 36 12.0 -16.0 335 27 287.1 287.2 276.2 289.2 0.67 11 700 3020 -13.9 -25.9 36 12.0 -16.2 335 27 287.1 287.2 276.2 289.2 0.66 12 638 3723 -16.1 -24.1 50 8.0 -17.7 336 32 292.3 292.5 279.1 295.0 0.85 13 596 4233 -20.3 -25.3 64 5.0 -21.2 337 35 293.2 293.3 279.4 295.8 0.82 14 500 5520 -26.9 -30.5 71 3.6 -27.4 340 44 300.2 300.4 282.3 302.2 0.60 15 488 5695 -27.7 -30.9 74 3.2 -28.2 340 44 301.4 301.5 282.7 303.3 0.60 16 475 5888 -29.3 -32.6 73 3.3 -29.7 340 45 301.7 301.8 282.8 303.4 0.52 17 400 7090 -38.5 -42.2 68 3.7 -38.8 340 48 305.0 305.0 283.7 305.8 0.23 18 300 9000 -54.3 -57.7 66 3.4 -54.4 340 48 308.8 308.8 284.9 309.0 0.05 19 292 9172 -56.3 -59.5 67 3.2 -56.3 339 49 308.4 308.4 284.8 308.5 0.04 20 274 9573 -57.3 -60.5 67 3.2 -57.3 335 52 312.6 312.6 286.3 312.7 0.04 21 252 10100 -57.9 -61.5 63 3.6 -58.0 335 50 319.3 319.3 288.5 319.4 0.04 22 250 10150 -57.7 -61.3 63 3.6 -57.8 335 50 320.3 320.3 288.9 320.4 0.04 23 244 10304 -55.3 -59.1 62 3.8 -55.4 335 48 326.1 326.1 290.7 326.3 0.05 24 218 11021 -54.9 -59.0 60 4.1 -55.0 335 41 337.4 337.4 293.7 337.7 0.06 25 200 11570 -54.7 -59.5 55 4.8 -54.8 335 35 346.1 346.2 295.8 346.4 0.06 26 162 12924 -52.3 -59.3 43 7.0 -52.5 317 29 371.7 371.7 300.9 372.0 0.08 27 150 13420 -53.5 -61.5 37 8.0 -53.8 310 27 377.9 377.9 301.9 378.2 0.06 28 100 16040 -53.3 -67.3 17 14.0 -53.8 295 15 424.7 424.8 308.3 425.0 0.04 29 70 18330 -53.7 -69.7 12 16.0 -54.5 280 9 469.5 469.5 312.6 469.8 0.05 30 55 19878 -52.7 -70.7 10 18.0 -53.8 258 13 505.3 505.3 315.4 505.6 0.05 31 50 20490 -54.1 -73.1 8 19.0 -55.1 250 15 516.0 516.0 316.1 516.2 0.04 32 35 22765 -56.3 -76.3 6 20.0 -57.5 247 12 565.7 565.7 318.9 565.9 0.03 33 33 23140 -53.9 -74.9 6 21.0 -55.5 246 12 581.6 581.6 319.8 581.9 0.04 34 30 23750 -55.1 -76.1 6 21.0 -56.6 245 11 594.4 594.4 320.3 594.7 0.04 35 21 26036 -54.9 -77.9 4 23.0 -57.0 219 27 658.9 658.9 323.0 659.2 0.04 36 20 26350 -52.3 -75.3 5 23.0 -55.1 215 29 676.1 676.1 323.7 676.7 0.07 37 18 27032 -51.9 -74.9 5 23.0 -54.9 698.0 698.1 324.4 698.7 0.08 TRP 274 9573 -57.3 -60.5 67 3.2 -57.3 335 52 312.6 312.6 286.3 312.7 0.04 WND Sounding variables and indices 1000-500 mb thick: 5269.00 m Freezing level: Surface below freezing Freezing level: 990.24 mb = 329.58 m = 1081.30 ft Freezing level: 961.90 mb = 562.65 m = 1845.96 ft Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 50.08 % Est. max temperature: 4.79 C = 40.62 F Sfc-Lift cond lev (LCL): 932.52 mb = 809.48 m = 2655.75 ft T: -1.69 C 700-500 lapse rate: 5.20 C/km ThetaE index: 2.42 C Layer 955.0- 925.0 mb Conv cond level (CCL): 635.29 mb = 3755.09 m = 12319.69 ft Mean mixing ratio: 1.68 g/kg Conv temperature: 19.30 C = 66.74 F Cap Strength: 11.79 C Lifted Index: 16.32 C Risk: None Lifted Index @300 mb: 19.80 C Lifted Index @700 mb: 8.11 C Showalter Index: 15.97 C Risk: None Total Totals Index: 29.00 C Risk: None Vertical Totals Index: 19.00 C Cross Totals Index: 10.00 C K Index: -9.90 Risk: None Sweat Index: 82.00 Risk: None Energy Index: 4.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.51 J/kg Max Up Vert Vel: 5.39 m/s Conv Inhibition (B-): 51142.38 J/kg Cap Strength: 15.98 C Lift Cond Lev (LCL): 806.82 mb = 1941.05 m = 6368.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 9 at 21 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 1001 243 0 0 -0.0 -0.0 | 189 21 3.3 21.0 1 1000 251 0 0 -0.0 -0.0 | 189 21 3.3 21.0 2 925 874 350 11 1.9 -10.8 | 207 11 5.2 10.2 3 850 1542 340 19 6.5 -17.9 | 252 10 9.8 3.2 4 700 3020 335 27 11.4 -24.5 | 283 15 14.7 -3.4 5 500 5520 340 44 15.0 -41.3 | 318 27 18.3 -20.3 6 400 7090 340 48 16.4 -45.1 | 321 31 19.7 -24.1 7 300 9000 340 48 16.4 -45.1 | 321 31 19.7 -24.1 8 274 9573 335 52 22.0 -47.1 | 316 36 25.2 -26.1 9 250 10150 335 50 21.1 -45.3 | 315 34 24.4 -24.3 10 200 11570 335 35 14.8 -31.7 | 301 21 18.0 -10.7 11 150 13420 310 27 20.7 -17.4 | 261 24 23.9 3.7 12 100 16040 295 15 13.6 -6.3 | 229 22 16.9 14.7 13 70 18330 280 9 8.9 -1.6 | 212 23 12.1 19.5 14 50 20490 250 15 14.1 5.1 | 214 31 17.4 26.2 15 30 23750 245 11 10.0 4.6 | 207 29 13.2 25.7 16 20 26350 215 29 16.6 23.8 | 204 49 19.9 44.8 Wind Parameters Mean winds (0-6000m): 338.8 at 28.4 knts Storm direction: 8.8 at 21.3 knts Shear (0-3000m) pos: 0.0 neg: 4.9 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 99.2 deg Storm rel helicity (0-3000m) pos: 65.2 neg: 0.0 tot: 65.2 m^2/s^2 ave: 21.7 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 3.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.19 Bulk Shear: 77.79 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 ------------------------------------------------------------------------------- 500 352 4 193 17| 0.0 8.9 8.9| 13.2 0.0 13.2 26.4 0.35| 9.0 3.1 1000 348 8 201 14| 0.0 7.9 7.9| 29.5 0.0 29.5 29.5 0.56| 8.1 4.5 1500 344 12 213 12| 0.0 6.9 6.9| 42.1 0.0 42.1 28.0 0.66| 7.1 4.6 2000 342 14 225 11| 0.0 5.9 5.9| 49.3 0.0 49.3 24.6 0.68| 6.0 4.1 2500 340 16 236 11| 0.0 5.2 5.2| 56.2 0.0 56.2 22.5 0.69| 5.4 3.7 3000 339 18 246 11| 0.0 4.9 4.9| 65.2 0.0 65.2 21.7 0.69| 5.0 3.5 4000 338 21 264 11| 0.9 3.7 4.6| 89.8 0.0 89.8 22.4 0.70| 4.6 3.3 5000 338 25 280 13| 1.4 2.9 4.4|116.5 0.0 116.5 23.3 0.69| 4.4 3.1 6000 339 28 292 15| 1.4 2.6 4.0|129.3 0.0 129.3 21.6 0.68| 4.0 2.7 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250428.00.gif