UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for U7707... Searching the city database file for: U7707 ... Date:1200Z 27 APR 25 Station: U7707 WMO ident: 27707 Latitude: 54.12 Longitude: 35.33 ------------------------------------------------------------------------------- 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 179 340 13 SFC 993 236 2.4 -3.6 65 6.0 0.1 340 13 276.1 276.6 273.6 284.3 2.95 2 985 301 -0.9 -4.1 79 3.2 -2.1 342 14 273.4 273.9 271.9 281.3 2.86 3 940 672 -3.5 -6.4 80 2.9 -4.5 355 21 274.5 274.9 272.0 281.4 2.51 4 925 799 -4.9 -8.5 76 3.6 -6.0 360 23 274.3 274.7 271.4 280.3 2.17 5 850 1459 -8.3 -13.3 67 5.0 -9.7 340 23 277.5 277.7 272.3 282.1 1.61 6 700 2934 -18.9 -24.9 59 6.0 -19.9 350 17 281.6 281.7 273.3 283.8 0.72 7 677 3181 -21.1 -26.1 64 5.0 -21.9 351 18 281.8 281.9 273.3 283.8 0.67 8 538 4830 -33.9 -40.9 49 7.0 -34.4 2 25 285.7 285.7 274.7 286.3 0.20 9 500 5340 -35.9 -43.9 44 8.0 -36.4 5 27 289.3 289.3 276.6 289.8 0.16 10 492 5452 -36.7 -45.7 39 9.0 -37.2 5 29 289.6 289.6 276.7 290.1 0.13 11 449 6079 -41.5 -51.5 33 10.0 -41.9 5 38 291.3 291.3 277.4 291.5 0.07 12 422 6499 -42.7 -52.7 33 10.0 -43.0 5 44 294.9 295.0 279.1 295.2 0.07 13 400 6860 -42.9 -53.9 29 11.0 -43.3 5 50 299.2 299.2 281.1 299.5 0.06 14 357 7629 -43.5 -56.5 22 13.0 -43.9 3 49 308.3 308.3 284.8 308.5 0.05 15 300 8800 -44.7 -61.7 13 17.0 -45.2 360 48 322.4 322.4 289.5 322.5 0.03 16 287 9096 -44.5 -62.5 12 18.0 -45.0 356 45 326.8 326.8 290.8 326.9 0.03 17 257 9835 -43.7 -62.7 10 19.0 -44.4 347 38 338.4 338.4 294.0 338.5 0.03 18 250 10020 -44.5 -63.5 10 19.0 -45.2 345 36 339.9 339.9 294.3 340.0 0.03 19 200 11510 -45.7 -67.7 7 22.0 -46.4 330 27 360.4 360.4 298.8 360.5 0.02 20 150 13410 -47.7 -69.7 6 22.0 -48.5 305 21 387.9 387.9 303.5 388.0 0.02 21 100 16060 -51.3 -73.3 6 22.0 -52.1 245 15 428.6 428.6 308.7 428.7 0.02 22 70 18360 -52.3 -74.3 5 22.0 -53.2 250 25 472.5 472.5 312.8 472.6 0.02 23 50 20530 -54.7 -75.7 6 21.0 -55.7 235 13 514.6 514.6 315.9 514.7 0.03 24 35 22800 -56.7 -77.7 5 21.0 -57.8 235 20 564.6 564.6 318.9 564.8 0.03 25 30 23780 -55.3 -76.3 6 21.0 -56.8 235 23 593.9 593.9 320.3 594.2 0.04 26 20 26370 -55.5 -76.5 6 21.0 -57.5 230 11 666.3 666.3 323.3 666.8 0.06 27 14 28654 -53.5 -74.5 6 21.0 -56.6 744.6 744.7 325.8 745.7 0.11 28 10 30847 -47.9 -70.9 5 23.0 -53.9 840.7 840.9 328.2 843.6 0.27 TRP 422 6499 -42.7 -52.7 33 10.0 -43.0 5 44 294.9 295.0 279.1 295.2 0.07 WND Sounding variables and indices 1000-500 mb thick: 5161.00 m Freezing level: 987.18 mb = 282.99 m = 928.44 ft Wetbulb zero: 992.71 mb = 238.09 m = 781.12 ft Precipitable water: 0.24 inches Sfc-500 mean rel hum: 61.70 % Est. max temperature: 3.93 C = 39.07 F Sfc-Lift cond lev (LCL): 904.66 mb = 972.57 m = 3190.82 ft T: -5.79 C 700-500 lapse rate: 7.07 C/km ThetaE index: 3.00 C Layer 985.0- 940.0 mb Conv cond level (CCL): 855.57 mb = 1408.05 m = 4619.53 ft Mean mixing ratio: 2.44 g/kg Conv temperature: 3.51 C = 38.31 F Cap Strength: 4.46 C Lifted Index: 7.09 C Risk: None Lifted Index @300 mb: 29.23 C Lifted Index @700 mb: 2.88 C Showalter Index: 6.38 C Risk: None Total Totals Index: 50.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.60 C Cross Totals Index: 22.60 C K Index: 8.30 Risk: None Sweat Index: 97.00 Risk: None Energy Index: 1.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.32 J/kg Max Up Vert Vel: 3.56 m/s Conv Inhibition (B-): 70448.31 J/kg Cap Strength: 6.89 C Lift Cond Lev (LCL): 892.77 mb = 1075.81 m = 3529.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 26 at 17 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 ---------------------------------------------------------- 0 993 236 340 13 4.4 -12.2 | 254 13 12.1 3.3 1 925 799 360 23 -0.0 -23.0 | 314 11 7.6 -7.4 2 850 1459 340 23 7.9 -21.6 | 291 17 15.5 -6.1 3 700 2934 350 17 3.0 -16.7 | 276 11 10.6 -1.2 4 500 5340 5 27 -2.4 -26.9 | 335 12 5.3 -11.3 5 422 6499 5 44 -3.8 -43.8 | 352 29 3.8 -28.3 6 400 6860 5 50 -4.4 -49.8 | 355 34 3.3 -34.2 7 300 8800 360 48 -0.0 -48.0 | 347 33 7.6 -32.4 8 250 10020 345 36 9.3 -34.8 | 319 26 16.9 -19.2 9 200 11510 330 27 13.5 -23.4 | 290 23 21.1 -7.8 10 150 13410 305 21 17.2 -12.0 | 262 25 24.8 3.5 11 100 16060 245 15 13.6 6.3 | 224 30 21.2 21.9 12 70 18360 250 25 23.5 8.6 | 232 39 31.1 24.1 13 50 20530 235 13 10.6 7.5 | 218 29 18.3 23.0 14 30 23780 235 23 18.8 13.2 | 223 39 26.5 28.8 15 20 26370 230 11 8.4 7.1 | 215 28 16.0 22.6 Wind Parameters Mean winds (0-6000m): 356.1 at 23.1 knts Storm direction: 26.1 at 17.3 knts Shear (0-3000m) pos: 1.8 neg: 1.0 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 29.3 deg Storm rel helicity (0-3000m) pos: 37.1 neg: -29.8 tot: 7.3 m^2/s^2 ave: 2.4 10^-3 m/s^2 rel: 0.16 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.38 Bulk Shear: 4.58 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 17 279 10| 10.6 0.0 10.6| 30.0 0.0 30.0 60.1 0.98| 10.7 10.5 1000 353 20 294 11| 5.3 2.3 7.6| 33.3 -11.0 22.3 22.3 0.49| 8.5 4.1 1500 349 21 294 13| 3.5 2.1 5.6| 33.3 -20.0 13.3 8.8 0.29| 6.9 2.0 2000 348 21 292 13| 2.5 1.6 4.0| 33.3 -23.7 9.6 4.8 0.22| 5.8 1.3 2500 347 21 290 13| 1.9 1.2 3.2| 33.3 -27.9 5.3 2.1 0.14| 5.1 0.7 3000 348 20 289 13| 1.8 1.0 2.8| 37.1 -29.8 7.3 2.4 0.16| 4.7 0.7 4000 350 20 291 12| 1.9 0.8 2.7| 50.2 -29.8 20.4 5.1 0.28| 4.1 1.2 5000 353 21 297 11| 2.0 0.6 2.7| 64.4 -29.8 34.6 6.9 0.37| 3.8 1.4 6000 356 23 309 12| 2.2 0.7 2.9| 87.7 -29.8 57.9 9.7 0.37| 4.3 1.6 Wrote GIF file: /home/apache/climate/data/raob//U7707/skewt/U7707.skewt.20250427.12.gif