UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101223.upa.cvt Date: 2300Z 12 OCT 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 12 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 17 20.6 5.6 37 15.0 12.3 325 8 292.4 293.4 284.8 308.6 5.61 1 1000 153 18.6 4.6 40 14.0 11.1 250 6 291.8 292.7 284.2 307.1 5.32 2 958 518 14.6 2.6 44 12.0 8.5 278 13 291.3 292.2 283.5 305.2 4.81 3 925 813 11.8 2.8 54 9.0 7.2 285 13 291.4 292.3 283.8 306.0 5.06 4 871 1312 7.0 2.6 74 4.4 4.8 267 17 291.4 292.4 284.1 306.7 5.30 5 853 1484 6.0 -4.0 49 10.0 1.7 257 18 292.1 292.7 282.1 301.9 3.33 6 850 1513 6.4 -7.6 36 14.0 0.7 255 18 292.9 293.3 281.5 300.4 2.54 7 830 1709 8.2 -32.8 4 41.0 -1.8 259 20 296.7 296.8 280.3 297.7 0.29 8 769 2333 3.8 -41.2 2 45.0 -5.0 254 27 298.6 298.6 280.9 299.0 0.13 9 762 2407 4.0 248 28 299.6 10 700 3092 1.0 250 31 303.6 11 683 3289 0.6 -40.4 3 41.0 -7.5 254 32 305.3 305.3 283.7 305.9 0.17 12 572 4683 -8.9 -42.9 4 34.0 -14.3 258 49 310.0 310.1 285.5 310.6 0.15 13 500 5710 -15.3 -54.3 2 39.0 -19.5 265 58 314.4 314.4 286.9 314.6 0.05 14 497 5755 -15.7 -54.7 2 39.0 -19.8 262 58 314.4 314.4 286.9 314.6 0.05 15 467 6224 -17.5 -33.5 23 16.0 -20.4 265 60 317.8 317.9 288.6 319.6 0.48 16 400 7360 -28.1 -35.1 51 7.0 -29.1 280 67 318.5 318.6 288.8 320.2 0.48 17 387 7596 -30.3 -36.3 56 6.0 -31.0 284 69 318.6 318.7 288.8 320.2 0.44 18 370 7914 -32.7 -40.7 45 8.0 -33.5 290 72 319.5 319.6 288.9 320.6 0.30 19 369 7933 -31.9 -50.9 13 19.0 -33.3 290 72 320.8 320.9 289.1 321.2 0.10 20 366 7990 -31.1 -58.1 5 27.0 -32.7 290 72 322.7 322.7 289.6 322.8 0.04 21 365 8010 -30.9 -56.9 6 26.0 -32.6 290 72 323.2 323.2 289.8 323.4 0.05 22 323 8864 -37.9 -58.9 9 21.0 -38.9 290 77 325.0 325.0 290.3 325.2 0.04 23 300 9370 -40.5 -64.5 6 24.0 -41.3 290 80 328.3 328.3 291.3 328.4 0.02 24 282 9791 -42.5 -67.5 5 25.0 -43.2 288 84 331.3 331.3 292.1 331.3 0.02 25 250 10600 -46.9 -72.9 4 26.0 -47.4 285 92 336.3 336.3 293.4 336.4 0.01 26 242 10815 -47.6 -73.6 3 26.0 -48.1 290 96 338.4 338.4 293.9 338.5 0.01 27 200 12060 -51.7 -77.7 3 26.0 -52.1 285 88 350.9 350.9 296.8 350.9 0.00 28 194 12257 -52.7 -77.7 3 25.0 -53.1 286 85 352.4 352.4 297.1 352.4 0.00 29 188 12460 -51.1 -79.1 2 28.0 -51.5 288 83 358.1 358.1 298.3 358.1 0.00 30 150 13900 -58.7 -82.7 3 24.0 -58.9 270 65 368.9 368.9 300.4 369.0 0.00 31 144 14154 -60.1 -83.1 3 23.0 -60.3 274 66 370.8 370.8 300.7 370.9 0.00 32 138 14420 -58.3 -84.3 2 26.0 -58.6 283 61 378.6 378.6 302.0 378.6 0.00 33 100 16420 -62.1 -86.1 3 24.0 -62.3 280 25 407.7 407.7 306.2 407.8 0.00 34 88 17204 -66.7 -87.7 4 21.0 -66.8 275 37 413.7 413.7 307.0 413.7 0.00 35 76 18093 -66.1 -89.1 3 23.0 -66.2 211 21 432.7 432.7 309.1 432.7 0.00 36 75 18175 -58.9 -88.9 1 30.0 -59.3 205 20 449.4 449.4 310.8 449.4 0.00 37 73 18346 -57.7 -87.7 1 30.0 -58.2 193 17 455.4 455.4 311.4 455.5 0.00 38 70 18610 -59.1 -87.1 1 28.0 -59.6 175 12 457.9 457.9 311.6 458.0 0.00 39 60 19571 -61.5 -88.5 2 27.0 -61.9 129 11 473.2 473.2 312.9 473.2 0.00 40 59 19675 -59.3 -88.3 1 29.0 -59.9 124 11 480.4 480.4 313.5 480.5 0.00 41 52 20464 -60.5 -87.5 2 27.0 -61.0 87 10 495.3 495.3 314.6 495.3 0.00 42 50 20710 -57.7 -86.7 1 29.0 -58.5 75 10 507.5 507.5 315.5 507.5 0.00 43 49 20837 -57.3 -87.3 1 30.0 -58.1 75 11 511.4 511.4 315.7 511.4 0.00 44 41 21962 -56.5 -86.5 1 30.0 -57.5 73 19 540.1 540.1 317.5 540.2 0.01 45 30 23940 -56.3 -86.3 1 30.0 -57.7 70 34 591.2 591.2 320.2 591.2 0.01 TRP 88 17204 -66.7 -87.7 4 21.0 -66.8 275 37 413.7 413.7 307.0 413.7 0.00 WND 242 10815 -47.6 -73.6 3 26.0 -48.1 290 96 338.4 338.4 293.9 338.5 0.01 Sounding variables and indices 1000-500 mb thick: 5557.00 m Freezing level: 675.99 mb = 3376.89 m = 11078.91 ft Wetbulb zero: 844.26 mb = 1568.64 m = 5146.39 ft Precipitable water: 0.39 inches Sfc-500 mean rel hum: 18.92 % Est. max temperature: 19.81 C = 67.65 F Sfc-Lift cond lev (LCL): 812.53 mb = 1882.52 m = 6176.17 ft T: 6.97 C 700-500 lapse rate: 6.23 C/km ThetaE index: 8.99 C Layer 853.0- 769.0 mb Conv cond level (CCL): 650.48 mb = 3672.38 m = 12048.34 ft Mean mixing ratio: 5.08 g/kg Conv temperature: 34.87 C = 94.77 F Cap Strength: 8.01 C Lifted Index: 9.47 C Risk: None Lifted Index @300 mb: 15.79 C Lifted Index @700 mb: 7.02 C Showalter Index: 13.33 C Risk: None Total Totals Index: 29.40 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 7.70 C K Index: -27.47 Risk: None Sweat Index: 94.00 Risk: None Energy Index: 3.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.21 J/kg Max Up Vert Vel: 2.90 m/s Conv Inhibition (B-): 34654.61 J/kg Cap Strength: 9.30 C Lift Cond Lev (LCL): 805.72 mb = 1951.34 m = 6401.95 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 289 at 25 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 17 325 8 4.6 -6.6 | 94 19 -19.1 1.5 1 1000 153 250 6 5.6 2.1 | 119 21 -18.0 10.1 2 982 305 275 10 10.0 -0.9 | 118 15 -13.7 7.1 3 947 610 280 14 13.8 -2.4 | 119 11 -9.9 5.6 4 925 813 285 13 12.6 -3.4 | 113 12 -11.1 4.6 5 914 914 290 14 13.2 -4.8 | 107 11 -10.5 3.2 6 850 1513 255 18 17.4 4.7 | 154 14 -6.3 12.7 7 849 1524 255 18 17.4 4.7 | 154 14 -6.3 12.7 8 788 2134 270 24 24.0 -0.0 | 182 8 0.3 8.0 9 759 2438 245 28 25.4 11.8 | 185 20 1.7 19.8 10 704 3048 235 31 25.4 17.8 | 184 26 1.7 25.8 11 700 3092 250 31 29.1 10.6 | 196 19 5.5 18.6 12 677 3353 255 33 31.9 8.5 | 206 18 8.2 16.5 13 602 4267 255 46 44.4 11.9 | 226 29 20.8 19.9 14 500 5710 265 58 57.8 5.1 | 249 37 34.1 13.1 15 495 5791 260 58 57.1 10.1 | 242 38 33.5 18.1 16 400 7360 280 67 66.0 -11.6 | 275 42 42.3 -3.6 17 369 7925 290 72 67.7 -24.6 | 291 47 44.0 -16.6 18 300 9370 290 80 75.2 -27.4 | 291 55 51.5 -19.4 19 250 10600 285 92 88.9 -23.8 | 284 67 65.2 -15.8 20 242 10815 290 96 90.2 -32.8 | 290 71 66.5 -24.8 21 236 10973 290 96 90.2 -32.8 | 290 71 66.5 -24.8 22 205 11887 275 90 89.7 -7.8 | 270 66 66.0 0.2 23 200 12060 285 88 85.0 -22.8 | 284 63 61.3 -14.8 24 178 12802 290 78 73.3 -26.7 | 291 53 49.6 -18.7 25 150 13900 270 65 65.0 -0.0 | 259 42 41.3 8.0 26 147 14021 270 69 69.0 -0.0 | 260 46 45.3 8.0 27 133 14630 290 56 52.6 -19.2 | 291 31 29.0 -11.1 28 115 15545 265 48 47.8 4.2 | 243 27 24.1 12.2 29 104 16154 265 50 49.8 4.4 | 245 29 26.1 12.4 30 100 16420 280 25 24.6 -4.3 | 195 4 1.0 3.7 31 95 16764 280 25 24.6 -4.3 | 195 4 1.0 3.7 32 88 17204 275 37 36.9 -3.2 | 250 14 13.2 4.8 33 70 18610 175 12 -1.0 12.0 | 129 32 -24.7 20.0 34 50 20710 75 10 -9.7 -2.6 | 99 34 -33.3 5.4 35 30 23940 70 34 -31.9 -11.6 | 86 56 -55.6 -3.6 Wind Parameters Mean winds (0-6000m): 258.7 at 33.3 knts Storm direction: 288.7 at 25.0 knts Shear (0-3000m) pos: 1.5 neg: 5.5 tot: 7.0 10-3/s Storm rel Dir Shear (0-3000m): 89.6 deg Storm rel helicity (0-3000m) pos: 87.6 neg: -16.1 tot: 71.4 m^2/s^2 ave: 23.8 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 9.4 stream: 3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.05 Bulk Shear: 81.11 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 ------------------------------------------------------------------------------- 500 277 9 115 16| 0.0 9.6 9.6| 43.1 -3.1 40.0 80.1 0.56| 15.0 8.4 1000 281 11 115 14| 1.2 4.8 6.0| 47.4 -10.5 37.0 37.0 0.36| 10.5 3.7 1500 275 13 123 13| 0.8 5.9 6.6| 69.7 -10.5 59.2 39.5 0.50| 10.1 5.1 2000 270 15 132 12| 2.2 4.4 6.6| 82.7 -10.5 72.2 36.1 0.53| 9.2 4.9 2500 266 17 144 11| 1.8 5.8 7.6| 87.6 -13.5 74.1 29.6 0.41| 10.3 4.2 3000 259 19 158 13| 1.5 5.5 7.0| 87.6 -16.1 71.4 23.8 0.36| 9.4 3.4 4000 257 24 177 13| 2.7 4.8 7.5|167.3 -16.1 151.2 37.8 0.45| 9.7 4.4 5000 257 28 196 15| 3.1 3.8 7.0|234.3 -16.1 218.2 43.6 0.49| 8.9 4.4 6000 259 33 212 17| 3.1 3.4 6.5|315.9 -56.3 259.6 43.3 0.47| 8.6 4.0 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20251012.23.gif