UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102823.upa.cvt Date: 2300Z 28 OCT 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 28 OCT 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 1016 18 15.4 13.5 88 1.9 14.3 135 1 287.2 288.9 286.8 314.0 9.61 1 1000 152 13.8 12.5 92 1.3 13.0 115 4 287.0 288.5 286.2 312.4 9.14 2 979 331 12.2 12.0 99 0.2 12.1 88 8 287.1 288.7 286.1 312.2 9.03 3 925 806 10.2 8.3 88 1.9 9.1 50 16 289.7 291.1 285.6 310.8 7.44 4 850 1505 6.2 5.4 95 0.8 5.8 40 16 292.6 293.8 285.9 311.7 6.63 5 775 2259 2.6 2.6 100 0.0 2.6 345 10 296.6 297.7 286.8 314.1 5.96 6 700 3077 -1.7 -2.0 98 0.3 -1.9 310 8 300.6 301.5 287.0 314.8 4.72 7 665 3483 -3.7 -6.2 83 2.5 -4.8 308 9 302.8 303.5 286.7 313.9 3.62 8 609 4169 -9.1 -9.4 98 0.3 -9.2 313 21 304.3 304.9 286.7 313.8 3.08 9 591 4400 -9.7 -15.7 62 6.0 -11.6 313 23 306.2 306.6 286.1 312.3 1.90 10 553 4909 -13.3 -22.3 47 9.0 -15.6 305 22 307.8 308.0 285.9 311.6 1.16 11 534 5175 -13.9 -28.9 27 15.0 -17.0 300 21 310.2 310.3 286.2 312.4 0.66 12 500 5670 -17.5 -32.5 26 15.0 -20.2 300 20 311.7 311.8 286.5 313.4 0.50 13 419 6975 -26.3 -44.3 17 18.0 -28.2 286 30 316.6 316.6 287.8 317.2 0.18 14 400 7310 -29.1 -48.1 14 19.0 -30.7 285 35 317.2 317.2 288.0 317.6 0.12 15 350 8245 -37.5 -55.5 14 18.0 -38.4 290 33 318.2 318.2 288.2 318.4 0.06 16 333 8588 -38.5 -63.5 5 25.0 -39.4 290 47 321.4 321.4 289.2 321.5 0.02 17 300 9300 -40.5 -67.5 4 27.0 -41.3 295 67 328.3 328.3 291.2 328.3 0.01 18 273 9939 -41.7 -68.7 4 27.0 -42.5 295 76 335.5 335.5 293.2 335.6 0.01 19 258 10319 -43.8 -70.1 4 26.4 -44.5 295 82 338.0 338.0 293.8 338.0 0.01 20 250 10530 -44.9 -70.9 4 26.0 -45.6 290 77 339.3 339.3 294.1 339.4 0.01 21 234 10972 -47.3 -72.3 4 25.0 -47.9 294 78 342.2 342.2 294.8 342.2 0.01 22 218 11442 -47.7 -75.7 3 28.0 -48.3 299 79 348.5 348.5 296.3 348.6 0.01 23 200 12010 -50.1 -77.1 3 27.0 -50.6 295 72 353.4 353.4 297.4 353.5 0.01 24 150 13850 -57.3 -83.3 2 26.0 -57.6 285 62 371.4 371.4 300.8 371.4 0.00 25 139 14331 -58.5 -84.5 2 26.0 -58.7 281 59 377.4 377.4 301.8 377.4 0.00 26 117 15407 -61.3 -85.3 3 24.0 -61.5 285 49 391.3 391.3 304.0 391.3 0.00 27 100 16380 -62.3 -87.3 2 25.0 -62.5 280 46 407.4 407.4 306.2 407.4 0.00 28 70 18590 -61.1 -88.1 2 27.0 -61.4 245 22 453.7 453.7 311.2 453.7 0.00 29 50 20690 -58.3 -88.3 1 30.0 -59.0 190 1 506.1 506.1 315.4 506.1 0.00 30 30 23920 -58.3 -88.3 1 30.0 -59.4 20 11 585.7 585.7 319.9 585.7 0.01 31 26 24825 -56.3 -87.3 1 31.0 -57.9 615.9 615.9 321.3 615.9 0.01 TRP 117 15407 -61.3 -85.3 3 24.0 -61.5 285 49 391.3 391.3 304.0 391.3 0.00 WND 258 10319 -43.8 -70.1 4 26.4 -44.5 295 82 338.0 338.0 293.8 338.0 0.01 Sounding variables and indices 1000-500 mb thick: 5518.00 m Freezing level: 729.65 mb = 2753.46 m = 9033.56 ft Wetbulb zero: 731.25 mb = 2725.88 m = 8943.08 ft Precipitable water: 1.07 inches Sfc-500 mean rel hum: 80.53 % Est. max temperature: 20.18 C = 68.33 F Sfc-Lift cond lev (LCL): 987.67 mb = 256.59 m = 841.81 ft T: 12.86 C 700-500 lapse rate: 6.09 C/km ThetaE index: 3.19 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 927.53 mb = 783.12 m = 2569.25 ft Mean mixing ratio: 8.50 g/kg Conv temperature: 17.78 C = 64.00 F Cap Strength: 3.48 C Lifted Index: 3.63 C Risk: None Lifted Index @300 mb: 11.86 C Lifted Index @700 mb: 1.50 C Showalter Index: 3.75 C Risk: None Total Totals Index: 46.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 22.90 C K Index: 28.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 116.80 Risk: None Energy Index: 0.35 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.13 J/kg Max Up Vert Vel: 5.12 m/s Conv Inhibition (B-): 36561.07 J/kg Cap Strength: 3.57 C Lift Cond Lev (LCL): 949.18 mb = 589.91 m = 1935.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 1 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 1016 18 135 1 -0.7 0.7 | 178 12 -0.5 12.0 1 1000 152 115 4 -3.6 1.7 | 165 13 -3.4 13.0 2 947 610 45 15 -10.6 -10.6 | 94 10 -10.4 0.7 3 925 806 50 16 -12.3 -10.3 | 95 12 -12.1 1.0 4 913 914 50 15 -11.5 -9.6 | 98 11 -11.3 1.7 5 850 1505 40 16 -10.3 -12.3 | 85 10 -10.1 -0.9 6 848 1524 45 13 -9.2 -9.2 | 103 9 -9.0 2.1 7 817 1829 30 17 -8.5 -14.7 | 68 9 -8.3 -3.4 8 787 2134 355 10 0.9 -10.0 | 219 2 1.1 1.3 9 757 2438 330 10 5.0 -8.7 | 243 6 5.2 2.6 10 700 3077 310 8 6.1 -5.1 | 226 9 6.3 6.2 11 675 3353 310 5 3.8 -3.2 | 206 9 4.0 8.1 12 649 3658 305 14 11.5 -8.0 | 254 12 11.7 3.3 13 600 4267 315 23 16.3 -16.3 | 287 17 16.5 -5.0 14 533 5182 300 21 18.2 -10.5 | 267 18 18.4 0.8 15 500 5670 300 20 17.3 -10.0 | 266 18 17.5 1.3 16 492 5791 300 21 18.2 -10.5 | 267 18 18.4 0.8 17 417 7010 285 30 29.0 -7.8 | 263 29 29.2 3.5 18 400 7310 285 35 33.8 -9.1 | 266 34 34.0 2.2 19 350 8230 290 33 31.0 -11.3 | 270 31 31.2 0.0 20 321 8839 290 57 53.6 -19.5 | 279 54 53.8 -8.2 21 300 9300 295 67 60.7 -28.3 | 286 63 60.9 -17.0 22 281 9754 295 73 66.2 -30.9 | 286 69 66.4 -19.5 23 258 10319 295 82 74.3 -34.7 | 287 78 74.5 -23.3 24 256 10363 295 82 74.3 -34.7 | 287 78 74.5 -23.3 25 250 10530 290 77 72.4 -26.3 | 282 74 72.6 -15.0 26 213 11582 300 79 68.4 -39.5 | 292 74 68.6 -28.2 27 200 12010 295 72 65.3 -30.4 | 286 68 65.5 -19.1 28 150 13850 285 62 59.9 -16.0 | 275 60 60.1 -4.7 29 126 14935 275 55 54.8 -4.8 | 263 55 55.0 6.5 30 117 15407 285 49 47.3 -12.7 | 272 48 47.5 -1.4 31 100 16380 280 46 45.3 -8.0 | 266 46 45.5 3.3 32 94 16764 285 46 44.4 -11.9 | 271 45 44.6 -0.6 33 70 18590 245 22 19.9 9.3 | 224 29 20.1 20.6 34 50 20690 190 1 0.2 1.0 | 182 12 0.4 12.3 35 30 23920 20 11 -3.8 -10.3 | 105 4 -3.6 1.0 Wind Parameters Mean winds (0-6000m): 331.0 at 15.1 knts Storm direction: 1.0 at 11.3 knts Shear (0-3000m) pos: 0.0 neg: 1.6 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 49.5 deg Storm rel helicity (0-3000m) pos: 8.3 neg: -84.0 tot: -75.7 m^2/s^2 ave: -25.2 10^-3 m/s^2 rel: -0.40 Storm rel vorticity (0-3000m) horiz: 8.7 stream: -3.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.30 Bulk Shear: 43.28 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 76 7 146 12| 0.0 13.0 13.0| 0.0 -50.0 -50.0 -100.0 -0.96| 15.7-15.0 1000 54 11 119 10| 0.0 7.8 7.8| 2.8 -62.3 -59.6 -59.6 -0.81| 11.4 -9.2 1500 50 13 109 10| 0.0 4.8 4.8| 7.5 -67.3 -59.8 -39.9 -0.68| 9.0 -6.1 2000 44 13 102 9| 0.0 3.4 3.4| 7.5 -80.2 -72.7 -36.4 -0.63| 9.7 -6.2 2500 36 13 99 7| 0.0 2.2 2.2| 8.3 -80.6 -72.3 -28.9 -0.38| 9.9 -3.8 3000 27 12 97 5| 0.0 1.6 1.6| 8.3 -84.0 -75.7 -25.2 -0.40| 8.7 -3.5 4000 7 12 74 1| 1.2 1.4 2.6| 45.5 -90.6 -45.1 -11.3 -0.15| 8.7 -1.3 5000 344 14 297 4| 1.0 1.4 2.3| 57.6-112.1 -54.6 -10.9 -0.16| 7.9 -1.2 6000 331 15 284 8| 0.8 1.3 2.1| 60.0-119.7 -59.7 -10.0 -0.16| 7.0 -1.1 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20251028.23.gif