UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for U7707... Searching the city database file for: U7707 ... Date:1200Z 18 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 155 SFC 990 243 24.2 6.2 31 18.0 13.8 230 5 298.2 299.3 287.4 315.9 6.01 2 981 322 21.8 5.8 35 16.0 12.7 231 7 296.6 297.6 286.7 313.9 5.90 3 925 826 16.6 3.6 42 13.0 9.6 240 17 296.3 297.2 286.1 312.0 5.36 4 850 1538 10.6 1.6 54 9.0 6.0 260 13 297.3 298.2 286.1 312.2 5.05 5 813 1907 7.0 1.0 66 6.0 4.0 267 13 297.2 298.2 286.1 312.2 5.06 6 800 2039 5.8 -0.2 65 6.0 2.9 269 14 297.3 298.2 285.8 311.3 4.71 7 725 2837 0.4 -5.6 64 6.0 -2.2 285 15 299.9 300.5 285.5 310.4 3.47 8 714 2960 -0.3 -9.3 51 9.0 -3.8 287 15 300.4 300.9 284.8 308.6 2.64 9 700 3119 0.6 -15.4 29 16.0 -4.9 290 15 303.1 303.5 284.7 308.4 1.65 10 698 3142 0.6 -16.4 27 17.0 -5.1 290 15 303.4 303.7 284.7 308.3 1.52 11 505 5646 -18.1 -41.1 11 23.0 -21.2 324 23 310.1 310.1 285.6 310.8 0.21 12 500 5720 -18.7 -40.7 13 22.0 -21.7 325 23 310.2 310.3 285.7 311.0 0.22 13 484 5962 -20.1 -41.1 14 21.0 -22.8 326 24 311.4 311.5 286.1 312.2 0.22 14 400 7340 -32.5 -49.5 17 17.0 -33.7 330 27 312.7 312.8 286.4 313.1 0.10 15 393 7464 -33.5 -50.5 16 17.0 -34.6 331 27 313.0 313.0 286.5 313.4 0.09 16 348 8305 -39.5 -51.5 27 12.0 -40.1 335 23 316.0 316.0 287.5 316.4 0.10 17 300 9300 -48.1 -58.1 31 10.0 -48.4 340 19 317.6 317.6 288.0 317.8 0.05 18 267 10059 -54.7 -63.7 32 9.0 -54.8 337 20 318.7 318.7 288.3 318.8 0.03 19 250 10480 -56.3 -65.3 31 9.0 -56.4 335 21 322.4 322.4 289.5 322.5 0.02 20 233 10925 -57.9 -66.9 31 9.0 -58.0 345 17 326.5 326.5 290.7 326.6 0.02 21 222 11230 -56.5 -65.5 31 9.0 -56.6 340 19 333.2 333.2 292.6 333.3 0.03 22 215 11433 -56.7 -65.7 31 9.0 -56.8 337 20 336.0 336.0 293.3 336.1 0.03 23 203 11796 -57.5 -66.5 31 9.0 -57.6 331 22 340.3 340.3 294.4 340.4 0.02 24 200 11890 -55.5 -64.5 32 9.0 -55.7 330 23 344.9 344.9 295.5 345.0 0.03 25 192 12152 -52.7 -61.7 33 9.0 -52.9 330 22 353.4 353.4 297.4 353.6 0.05 26 150 13740 -53.7 -63.7 28 10.0 -54.0 330 15 377.5 377.6 301.9 377.8 0.05 27 138 14279 -51.7 -62.7 26 11.0 -52.1 330 16 390.2 390.2 303.9 390.5 0.06 28 115 15448 -57.5 -68.5 23 11.0 -57.8 330 19 400.3 400.3 305.3 400.5 0.03 29 100 16330 -58.5 -69.5 23 11.0 -58.8 330 21 414.7 414.7 307.1 414.9 0.03 30 80 17730 -59.1 -71.1 20 12.0 -59.5 339 17 440.8 440.8 310.0 441.0 0.03 31 70 18570 -57.1 -69.1 20 12.0 -57.6 345 15 462.2 462.2 312.0 462.5 0.05 32 51 20574 -54.3 -68.3 16 14.0 -55.2 359 11 512.6 512.6 315.8 513.1 0.08 33 50 20700 -55.1 -69.1 16 14.0 -55.9 360 11 513.6 513.7 315.9 514.1 0.07 34 39 22287 -56.7 -70.7 16 14.0 -57.6 10 12 547.4 547.4 318.0 547.9 0.07 35 30 23970 -52.7 -68.7 13 16.0 -54.5 20 13 601.0 601.0 320.7 601.9 0.12 36 28 24416 -52.3 -68.3 13 16.0 -54.2 614.1 614.1 321.3 615.1 0.14 TRP 233 10925 -57.9 -66.9 31 9.0 -58.0 345 17 326.5 326.5 290.7 326.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5565.00 m Freezing level: 718.71 mb = 2907.54 m = 9539.05 ft Freezing level: 709.33 mb = 3013.07 m = 9885.27 ft Freezing level: 691.81 mb = 3222.25 m = 10571.57 ft Wetbulb zero: 757.22 mb = 2484.70 m = 8151.80 ft Precipitable water: 0.63 inches Sfc-500 mean rel hum: 36.18 % Est. max temperature: 23.25 C = 73.85 F Sfc-Lift cond lev (LCL): 758.55 mb = 2470.47 m = 8105.10 ft T: 2.88 C 700-500 lapse rate: 7.42 C/km ThetaE index: 3.96 C Layer 800.0- 505.0 mb Conv cond level (CCL): 728.96 mb = 2793.32 m = 9164.33 ft Mean mixing ratio: 5.53 g/kg Conv temperature: 25.75 C = 78.35 F Cap Strength: 3.51 C Lifted Index: 1.88 C Risk: Showers probable Lifted Index @300 mb: 3.68 C Lifted Index @700 mb: 3.39 C Showalter Index: 2.26 C Risk: Showers probable Total Totals Index: 49.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.30 C Cross Totals Index: 20.30 C K Index: 14.90 Risk: None Sweat Index: 80.20 Risk: None Energy Index: -0.18 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.86 J/kg Max Up Vert Vel: 1.93 m/s Conv Inhibition (B-): 33246.84 J/kg Cap Strength: 3.46 C Lift Cond Lev (LCL): 763.13 mb = 2421.69 m = 7945.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 326 at 13 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 ---------------------------------------------------------- 0 990 243 230 5 3.8 3.2 | 166 14 -3.3 13.7 1 925 826 240 17 14.7 8.5 | 202 20 7.6 19.0 2 850 1538 260 13 12.8 2.3 | 204 14 5.6 12.8 3 700 3119 290 15 14.1 -5.1 | 232 9 6.9 5.4 4 500 5720 325 23 13.2 -18.8 | 324 10 6.0 -8.3 5 400 7340 330 27 13.5 -23.4 | 334 14 6.3 -12.9 6 300 9300 340 19 6.5 -17.9 | 5 7 -0.7 -7.4 7 250 10480 335 21 8.9 -19.0 | 349 9 1.7 -8.5 8 233 10925 345 17 4.4 -16.4 | 25 7 -2.8 -5.9 9 200 11890 330 23 11.5 -19.9 | 335 10 4.3 -9.4 10 150 13740 330 15 7.5 -13.0 | 352 3 0.3 -2.5 11 100 16330 330 21 10.5 -18.2 | 336 8 3.3 -7.7 12 70 18570 345 15 3.9 -14.5 | 39 5 -3.3 -4.0 13 50 20700 360 11 -0.0 -11.0 | 86 7 -7.2 -0.5 14 30 23970 20 13 -4.4 -12.2 | 82 12 -11.6 -1.7 Wind Parameters Mean winds (0-6000m): 295.7 at 16.9 knts Storm direction: 325.7 at 12.7 knts Shear (0-3000m) pos: 2.4 neg: 0.0 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 69.6 deg Storm rel helicity (0-3000m) pos: 68.4 neg: -0.3 tot: 68.1 m^2/s^2 ave: 22.7 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.07 Bulk Shear: 27.78 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 ------------------------------------------------------------------------------- 500 237 10 185 16| 10.7 0.0 10.7| 39.0 0.0 39.0 77.9 0.86| 10.7 9.2 1000 242 13 194 17| 5.2 0.0 5.2| 50.2 0.0 50.2 50.2 0.70| 8.2 5.7 1500 247 13 198 16| 3.3 0.0 3.3| 52.9 -0.3 52.6 35.0 0.61| 6.7 4.0 2000 252 13 201 16| 2.8 0.0 2.8| 58.6 -0.3 58.3 29.2 0.62| 5.6 3.5 2500 258 13 204 15| 2.5 0.0 2.5| 63.7 -0.3 63.4 25.4 0.63| 5.0 3.1 3000 264 14 208 14| 2.4 0.0 2.4| 68.4 -0.3 68.1 22.7 0.64| 4.6 2.9 4000 274 15 218 12| 2.3 0.0 2.3| 79.1 -0.3 78.8 19.7 0.70| 4.1 2.8 5000 285 16 231 10| 2.3 0.0 2.3| 91.2 -0.3 90.9 18.2 0.74| 3.8 2.8 6000 296 17 249 9| 2.2 0.0 2.2| 99.8 -0.3 99.5 16.6 0.74| 3.6 2.7 Wrote GIF file: /home/apache/climate/data/raob//U7707/skewt/U7707.skewt.20250418.12.gif