UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042923.upa.cvt Date: 2300Z 29 APR 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 29 APR 25 Station: Y4775 WMO ident: 94775 ------------------------------------------------------------------------------- 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 1018 25 18.2 15.2 83 3.0 16.3 275 5 289.9 291.8 288.8 320.0 10.72 1 1000 177 16.2 13.7 85 2.5 14.7 220 9 289.4 291.1 287.8 317.1 9.89 2 955 567 12.6 12.4 99 0.2 12.5 181 15 289.5 291.2 287.5 316.3 9.51 3 925 835 11.0 10.8 99 0.2 10.9 175 21 290.6 292.1 287.3 315.5 8.82 4 850 1535 6.4 5.5 94 0.9 5.9 170 19 292.9 294.0 286.1 312.1 6.67 5 820 1830 5.2 2.4 82 2.8 3.8 160 22 294.6 295.6 285.6 310.8 5.55 6 753 2523 2.6 -1.8 73 4.4 0.5 198 18 299.1 299.9 286.2 312.4 4.45 7 700 3109 -2.5 -4.9 84 2.4 -3.6 225 12 299.7 300.4 285.7 311.2 3.79 8 678 3361 -4.9 -5.2 98 0.3 -5.0 255 10 299.8 300.5 285.8 311.4 3.83 9 677 3373 -5.1 -7.3 85 2.2 -6.0 255 10 299.7 300.3 285.2 309.6 3.26 10 675 3396 -3.9 -11.9 54 8.0 -6.8 254 10 301.3 301.7 284.7 308.4 2.27 11 669 3466 -3.9 -15.9 39 12.0 -7.8 252 10 302.1 302.4 284.3 307.3 1.65 12 666 3502 -3.7 -14.7 42 11.0 -7.4 251 10 302.7 303.0 284.7 308.5 1.83 13 645 3754 -5.1 -13.1 53 8.0 -7.9 244 10 303.9 304.3 285.5 310.7 2.16 14 594 4396 -8.9 -21.9 34 13.0 -12.4 242 10 306.7 306.9 285.4 310.4 1.11 15 535 5194 -16.3 -23.3 55 7.0 -18.0 278 15 307.2 307.4 285.6 310.8 1.09 16 500 5700 -19.5 -30.5 37 11.0 -21.5 285 16 309.3 309.4 285.8 311.3 0.60 17 471 6140 -23.3 -38.3 24 15.0 -25.2 280 15 309.9 309.9 285.7 310.9 0.30 18 447 6521 -24.9 -62.9 2 38.0 -27.3 278 26 312.5 312.5 286.2 312.6 0.02 19 423 6919 -27.3 -56.3 5 29.0 -29.3 277 38 314.4 314.4 286.9 314.6 0.04 20 400 7320 -28.9 -59.9 3 31.0 -30.8 275 50 317.4 317.4 287.9 317.5 0.03 21 335 8572 -35.5 -66.5 3 31.0 -36.8 285 83 324.9 324.9 290.3 325.0 0.01 22 329 8698 -34.3 -65.3 3 31.0 -35.7 286 87 328.3 328.3 291.2 328.3 0.02 23 300 9340 -36.9 -65.9 3 29.0 -38.1 285 102 333.4 333.4 292.6 333.4 0.02 24 250 10580 -42.7 -72.7 2 30.0 -43.5 285 109 342.6 342.6 295.0 342.6 0.01 25 237 10941 -44.7 -72.7 3 28.0 -45.4 285 115 344.8 344.8 295.5 344.9 0.01 26 203 11972 -48.9 -76.9 2 28.0 -49.4 285 133 353.8 353.8 297.4 353.9 0.01 27 200 12070 -49.3 -77.3 2 28.0 -49.8 285 131 354.7 354.7 297.7 354.7 0.01 28 176 12901 -51.9 -80.9 2 29.0 -52.4 285 128 363.6 363.6 299.4 363.6 0.00 29 174 12974 -51.7 -81.7 2 30.0 -52.2 285 128 365.2 365.2 299.7 365.2 0.00 30 157 13632 -56.5 -83.5 2 27.0 -56.8 283 113 367.9 367.9 300.2 367.9 0.00 31 150 13920 -57.5 -84.5 2 27.0 -57.8 280 96 371.0 371.0 300.8 371.0 0.00 32 128 14914 -61.1 -87.1 2 26.0 -61.3 290 95 381.7 381.7 302.5 381.8 0.00 33 127 14963 -61.1 -87.1 2 26.0 -61.3 290 94 382.6 382.6 302.6 382.6 0.00 34 105 16125 -67.9 -88.9 3 21.0 -68.0 280 64 391.0 391.0 303.9 391.0 0.00 35 100 16420 -66.3 -89.3 3 23.0 -66.4 285 60 399.6 399.6 305.2 399.6 0.00 36 87 17262 -67.7 -89.7 3 22.0 -67.8 291 52 413.1 413.1 306.9 413.1 0.00 37 75 18166 -63.3 -90.3 1 27.0 -63.6 300 37 440.2 440.2 309.9 440.2 0.00 38 70 18590 -64.3 -90.3 2 26.0 -64.6 305 30 446.8 446.8 310.6 446.8 0.00 39 67 18858 -65.3 -91.3 2 26.0 -65.5 301 28 450.3 450.3 310.9 450.3 0.00 40 50 20670 -59.3 -90.3 1 31.0 -59.9 275 14 503.7 503.7 315.2 503.7 0.00 41 47 21058 -57.5 -90.5 1 33.0 -58.3 294 13 517.0 517.0 316.1 517.1 0.00 42 36 22721 -61.7 -90.7 1 29.0 -62.3 18 10 547.1 547.1 317.9 547.2 0.00 43 31 23654 -57.5 -90.5 1 33.0 -58.7 65 8 582.4 582.4 319.8 582.4 0.00 44 30 23860 -58.1 -90.1 1 32.0 -59.2 75 8 586.2 586.3 320.0 586.3 0.00 45 28 24296 -57.3 -90.3 1 33.0 -58.6 55 9 600.2 600.2 320.6 600.2 0.00 46 26 24768 -53.5 -89.5 0 36.0 -55.6 33 10 623.8 623.8 321.6 623.8 0.00 47 20 26460 -52.7 -88.7 1 36.0 -55.5 315 13 674.9 674.9 323.6 674.9 0.01 48 18 27143 -50.9 -87.9 0 37.0 -54.4 701.2 701.2 324.5 701.3 0.01 TRP 105 16125 -67.9 -88.9 3 21.0 -68.0 280 64 391.0 391.0 303.9 391.0 0.00 WND 203 11972 -48.9 -76.9 2 28.0 -49.4 285 133 353.8 353.8 297.4 353.9 0.01 Sounding variables and indices 1000-500 mb thick: 5523.00 m Freezing level: 725.98 mb = 2821.90 m = 9258.09 ft Wetbulb zero: 745.93 mb = 2599.01 m = 8526.84 ft Precipitable water: 1.02 inches Sfc-500 mean rel hum: 69.19 % Est. max temperature: 20.63 C = 69.14 F Sfc-Lift cond lev (LCL): 973.79 mb = 402.05 m = 1319.04 ft T: 14.12 C 700-500 lapse rate: 6.56 C/km ThetaE index: 9.21 C Layer 1000.0- 753.0 mb Conv cond level (CCL): 952.19 mb = 591.84 m = 1941.72 ft Mean mixing ratio: 9.57 g/kg Conv temperature: 17.97 C = 64.34 F Cap Strength: 0.24 C Lifted Index: -1.24 C Risk: Thunderstorms probable Lifted Index @300 mb: 12.18 C Lifted Index @700 mb: -1.52 C Showalter Index: 1.52 C Risk: Showers probable Total Totals Index: 50.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 25.00 C K Index: 29.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 296.29 Risk: None Energy Index: -0.14 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 184.02 J/kg Max Up Vert Vel: 19.18 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.14 C Lift Cond Lev (LCL): 950.73 mb = 604.67 m = 1983.80 ft Lev Free Conv (LFC): 945.73 mb = 648.93 m = 2129.01 ft Equ Level (EL): 755.73 mb = 2493.82 m = 8181.71 ft B at Equ Level: 48.08 J/kg Max Parcel Lev (MPL): 345.73 mb = 8349.11 m = 27391.77 ft Wind level data Storm motion: 245 at 11 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 1018 25 275 5 5.0 -0.4 | 45 7 -5.1 -5.1 1 1000 177 220 9 5.8 6.9 | 118 5 -4.3 2.3 2 985 305 220 10 6.4 7.7 | 129 5 -3.7 3.0 3 950 610 175 16 -1.4 15.9 | 135 16 -11.5 11.3 4 925 835 175 21 -1.8 20.9 | 144 20 -11.9 16.3 5 916 914 170 23 -4.0 22.7 | 142 23 -14.1 18.0 6 850 1535 170 19 -3.3 18.7 | 136 19 -13.4 14.1 7 820 1829 160 22 -7.5 20.7 | 132 24 -17.6 16.1 8 789 2134 180 18 0.0 18.0 | 143 17 -10.1 13.4 9 760 2438 195 19 4.9 18.4 | 159 15 -5.2 13.7 10 705 3048 215 12 6.9 9.8 | 148 6 -3.2 5.2 11 700 3109 225 12 8.5 8.5 | 157 4 -1.6 3.9 12 678 3353 255 10 9.7 2.6 | 13 2 -0.5 -2.0 13 602 4267 230 10 7.7 6.4 | 126 3 -2.5 1.8 14 579 4572 265 10 10.0 0.9 | 2 4 -0.2 -3.8 15 514 5486 285 18 17.4 -4.7 | 322 12 7.3 -9.3 16 500 5700 285 16 15.5 -4.1 | 329 10 5.3 -8.8 17 473 6096 280 14 13.8 -2.4 | 333 8 3.7 -7.1 18 400 7320 275 50 49.8 -4.4 | 283 41 39.7 -9.0 19 308 9144 290 99 93.0 -33.9 | 295 91 82.9 -38.5 20 300 9340 285 102 98.5 -26.4 | 289 94 88.4 -31.0 21 282 9754 285 103 99.5 -26.7 | 289 95 89.4 -31.3 22 250 10580 285 109 105.3 -28.2 | 289 101 95.2 -32.8 23 203 11972 285 133 128.5 -34.4 | 288 125 118.4 -39.0 24 200 12070 285 131 126.5 -33.9 | 288 123 116.4 -38.5 25 196 12192 285 133 128.5 -34.4 | 288 125 118.4 -39.0 26 162 13411 285 125 120.7 -32.4 | 288 117 110.6 -37.0 27 150 13920 280 96 94.5 -16.7 | 284 87 84.4 -21.3 28 140 14326 285 94 90.8 -24.3 | 290 86 80.7 -29.0 29 127 14935 290 95 89.3 -32.5 | 295 87 79.2 -37.1 30 121 15240 285 73 70.5 -18.9 | 291 65 60.4 -23.5 31 105 16125 280 64 63.0 -11.1 | 287 55 52.9 -15.7 32 100 16420 285 60 58.0 -15.5 | 293 52 47.8 -20.2 33 99 16459 285 57 55.1 -14.8 | 293 49 44.9 -19.4 34 95 16764 285 60 58.0 -15.5 | 293 52 47.8 -20.2 35 70 18590 305 30 24.6 -17.2 | 326 26 14.5 -21.8 36 50 20670 275 14 13.9 -1.2 | 327 7 3.8 -5.8 37 30 23860 75 8 -7.7 -2.1 | 69 19 -17.8 -6.7 38 20 26460 315 13 9.2 -9.2 | 4 14 -0.9 -13.8 Wind Parameters Mean winds (0-6000m): 215.4 at 14.8 knts Storm direction: 245.4 at 11.1 knts Shear (0-3000m) pos: 2.3 neg: 3.6 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 104.3 deg Storm rel helicity (0-3000m) pos: 62.1 neg: -31.4 tot: 30.7 m^2/s^2 ave: 10.2 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 9.9 stream: 2.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 57.15 Bulk Shear: 3.22 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 ------------------------------------------------------------------------------- 500 213 10 128 6| 0.0 15.4 15.4| 10.1 -1.1 9.0 18.0 0.47| 17.3 8.2 1000 186 15 139 13| 0.0 12.4 12.4| 22.4 -10.1 12.3 12.3 0.30| 14.7 4.4 1500 179 17 139 16| 0.0 7.2 7.2| 22.4 -19.3 3.1 2.1 0.22| 10.9 2.4 2000 175 18 138 18| 0.3 5.4 5.6| 37.7 -28.3 9.4 4.7 0.19| 10.7 2.1 2500 177 18 140 17| 1.8 4.3 6.2| 61.9 -28.3 33.6 13.5 0.27| 10.4 2.8 3000 181 17 143 16| 2.3 3.6 5.9| 62.1 -31.4 30.7 10.2 0.21| 9.9 2.1 4000 191 16 146 13| 2.6 3.0 5.6| 63.8 -31.9 31.9 8.0 0.17| 8.9 1.5 5000 200 15 151 10| 3.0 2.4 5.3| 64.0 -37.1 26.9 5.4 0.07| 8.3 0.6 6000 215 15 169 8| 2.9 2.3 5.1| 68.8 -38.7 30.1 5.0 0.07| 7.6 0.6 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20250429.23.gif