UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043023.upa.cvt Date: 2300Z 30 APR 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 30 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 1025 19 15.4 11.0 75 4.4 12.9 275 5 286.5 287.9 284.9 309.0 8.06 1 1000 227 13.0 9.7 80 3.3 11.1 215 10 286.1 287.5 284.3 307.2 7.57 2 980 396 11.2 9.2 87 2.0 10.1 206 12 286.0 287.3 284.1 306.8 7.46 3 925 877 8.4 7.6 95 0.8 8.0 175 26 287.9 289.1 284.5 307.9 7.09 4 911 1003 7.6 7.5 99 0.1 7.5 173 26 288.3 289.6 284.8 308.5 7.15 5 859 1486 4.2 2.4 88 1.8 3.3 161 26 289.7 290.6 283.3 304.8 5.30 6 850 1572 4.6 0.8 76 3.8 2.8 160 26 291.0 291.8 283.3 304.7 4.77 7 801 2054 2.4 -4.6 60 7.0 -0.6 160 23 293.6 294.2 282.8 303.6 3.39 8 745 2636 -1.5 -2.3 94 0.8 -1.9 156 20 295.5 296.3 284.7 308.3 4.33 9 700 3130 -3.9 -8.6 70 4.7 -5.7 170 18 298.2 298.7 284.1 306.8 2.85 10 654 3662 -7.5 -19.5 38 12.0 -10.8 199 17 300.0 300.2 283.0 303.9 1.25 11 640 3830 -9.1 -19.1 44 10.0 -11.9 182 15 300.0 300.2 283.1 304.2 1.32 12 631 3939 -9.3 -18.3 48 9.0 -11.9 170 14 301.0 301.3 283.6 305.5 1.43 13 626 4001 -9.5 -12.4 79 2.9 -10.5 167 14 301.4 301.9 284.8 308.8 2.36 14 615 4137 -10.1 -15.1 67 5.0 -11.7 178 13 302.3 302.6 284.7 308.3 1.92 15 612 4175 -10.1 -20.1 44 10.0 -12.8 181 13 302.7 302.9 284.1 306.8 1.26 16 608 4225 -9.9 -42.9 5 33.0 -14.8 185 12 303.5 303.5 283.0 304.0 0.14 17 596 4379 -10.9 -27.9 23 17.0 -14.6 193 12 304.1 304.2 283.9 306.2 0.65 18 583 4548 -11.7 -40.7 7 29.0 -16.1 198 13 305.1 305.1 283.7 305.7 0.19 19 513 5511 -20.3 -33.3 30 13.0 -22.4 229 16 306.0 306.1 284.4 307.6 0.45 20 500 5700 -21.7 -35.7 27 14.0 -23.7 235 17 306.6 306.6 284.5 307.8 0.36 21 473 6107 -25.5 -39.5 26 14.0 -27.1 235 19 306.8 306.8 284.4 307.7 0.26 22 426 6862 -29.9 -53.9 8 24.0 -31.4 255 35 310.5 310.5 285.6 310.7 0.06 23 400 7310 -31.9 -63.9 3 32.0 -33.4 255 45 313.5 313.5 286.6 313.6 0.02 24 344 8364 -36.1 -68.1 2 32.0 -37.2 270 83 321.7 321.7 289.3 321.7 0.01 25 300 9300 -42.1 -65.1 6 23.0 -42.8 270 93 326.0 326.0 290.6 326.1 0.02 26 283 9690 -44.9 -68.9 5 24.0 -45.5 270 96 327.5 327.5 291.0 327.5 0.01 27 252 10458 -47.5 -70.5 5 23.0 -48.0 274 107 334.7 334.7 293.0 334.7 0.01 28 250 10510 -47.3 -71.3 5 24.0 -47.8 275 108 335.7 335.7 293.3 335.8 0.01 29 224 11234 -50.5 -74.5 4 24.0 -51.0 275 109 341.5 341.5 294.7 341.5 0.01 30 204 11842 -53.3 -77.3 4 24.0 -53.6 275 99 346.4 346.4 295.8 346.4 0.01 31 200 11970 -53.1 -77.1 4 24.0 -53.4 275 99 348.7 348.7 296.3 348.7 0.01 32 150 13820 -55.9 -84.9 1 29.0 -56.2 275 86 373.8 373.8 301.2 373.8 0.00 33 135 14487 -56.3 -86.3 1 30.0 -56.6 275 72 384.5 384.5 302.9 384.5 0.00 34 103 16178 -62.1 -88.1 2 26.0 -62.3 277 46 404.3 404.3 305.8 404.3 0.00 35 100 16360 -62.1 -88.1 2 26.0 -62.3 295 48 407.7 407.7 306.2 407.7 0.00 36 86 17291 -61.1 -89.1 1 28.0 -61.4 301 40 427.7 427.7 308.6 427.7 0.00 37 82 17584 -63.9 -89.9 2 26.0 -64.1 304 35 427.9 427.9 308.6 427.9 0.00 38 73 18300 -60.3 -89.3 1 29.0 -60.7 312 23 449.9 449.9 310.8 450.0 0.00 39 70 18560 -61.5 -89.5 1 28.0 -61.9 315 19 452.8 452.8 311.1 452.8 0.00 40 65 19019 -63.5 -89.5 2 26.0 -63.8 305 20 458.1 458.1 311.6 458.2 0.00 41 60 19516 -59.5 -89.5 1 30.0 -60.0 294 20 477.7 477.7 313.2 477.7 0.00 42 50 20660 -59.5 -89.5 1 30.0 -60.1 270 22 503.3 503.3 315.2 503.3 0.00 43 42 21752 -58.1 -89.1 1 31.0 -58.9 234 18 532.5 532.5 317.1 532.5 0.00 44 38 22379 -59.9 -89.9 1 30.0 -60.6 214 16 543.3 543.3 317.7 543.4 0.00 45 30 23870 -54.9 -87.9 1 33.0 -56.5 165 10 595.0 595.0 320.4 595.0 0.01 46 22 25871 -50.9 -86.9 1 36.0 -53.9 662.1 662.1 323.2 662.1 0.01 TRP 204 11842 -53.3 -77.3 4 24.0 -53.6 275 99 346.4 346.4 295.8 346.4 0.01 WND 224 11234 -50.5 -74.5 4 24.0 -51.0 275 109 341.5 341.5 294.7 341.5 0.01 Sounding variables and indices 1000-500 mb thick: 5473.00 m Freezing level: 766.54 mb = 2411.95 m = 7913.13 ft Wetbulb zero: 809.31 mb = 1970.21 m = 6463.87 ft Precipitable water: 0.80 inches Sfc-500 mean rel hum: 59.37 % Est. max temperature: 18.16 C = 64.68 F Sfc-Lift cond lev (LCL): 959.69 mb = 570.73 m = 1872.45 ft T: 10.18 C 700-500 lapse rate: 6.93 C/km ThetaE index: 4.86 C Layer 859.0- 745.0 mb Conv cond level (CCL): 923.03 mb = 894.64 m = 2935.12 ft Mean mixing ratio: 7.45 g/kg Conv temperature: 16.85 C = 62.34 F Cap Strength: 3.40 C Lifted Index: 2.25 C Risk: None Lifted Index @300 mb: 13.34 C Lifted Index @700 mb: 1.47 C Showalter Index: 4.00 C Risk: None Total Totals Index: 48.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 22.50 C K Index: 22.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 224.34 Risk: None Energy Index: 0.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.80 J/kg Max Up Vert Vel: 3.41 m/s Conv Inhibition (B-): 8.41 J/kg Cap Strength: 3.36 C Lift Cond Lev (LCL): 941.63 mb = 728.76 m = 2390.90 ft Lev Free Conv (LFC): 876.63 mb = 1319.10 m = 4327.70 ft Equ Level (EL): 856.63 mb = 1508.53 m = 4949.20 ft B at Equ Level: 5.38 J/kg Max Parcel Lev (MPL): 826.63 mb = 1798.30 m = 5899.85 ft Wind level data Storm motion: 213 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 1025 19 275 5 5.0 -0.4 | 11 12 -2.2 -11.7 1 1000 227 215 10 5.7 8.2 | 25 3 -1.5 -3.1 2 991 305 215 10 5.7 8.2 | 25 3 -1.5 -3.1 3 955 610 185 18 1.6 17.9 | 140 9 -5.6 6.6 4 925 877 175 26 -2.3 25.9 | 147 17 -9.5 14.6 5 921 914 175 26 -2.3 25.9 | 147 17 -9.5 14.6 6 855 1524 160 26 -8.9 24.4 | 129 21 -16.1 13.1 7 850 1572 160 26 -8.9 24.4 | 129 21 -16.1 13.1 8 793 2134 160 22 -7.5 20.7 | 123 17 -14.7 9.4 9 735 2743 155 20 -8.5 18.1 | 114 17 -15.6 6.8 10 700 3130 170 18 -3.1 17.7 | 122 12 -10.3 6.4 11 680 3353 170 14 -2.4 13.8 | 105 10 -9.6 2.5 12 653 3658 200 17 5.8 16.0 | 164 5 -1.4 4.7 13 628 3962 165 14 -3.6 13.5 | 102 11 -10.8 2.2 14 603 4267 190 12 2.1 11.8 | 96 5 -5.1 0.5 15 500 5700 235 17 13.9 9.8 | 283 7 6.7 -1.5 16 494 5791 240 17 14.7 8.5 | 290 8 7.5 -2.8 17 473 6096 235 19 15.6 10.9 | 273 8 8.4 -0.4 18 454 6401 255 25 24.1 6.5 | 286 18 17.0 -4.8 19 400 7310 255 45 43.5 11.6 | 269 36 36.3 0.4 20 382 7620 260 51 50.2 8.9 | 273 43 43.0 -2.4 21 350 8230 270 82 82.0 -0.0 | 279 76 74.8 -11.3 22 300 9300 270 93 93.0 -0.0 | 277 87 85.8 -11.3 23 268 10058 270 99 99.0 -0.0 | 277 92 91.8 -11.3 24 250 10510 275 108 107.6 -9.4 | 282 103 100.4 -20.7 25 224 11234 275 109 108.6 -9.5 | 282 103 101.4 -20.8 26 223 11278 275 109 108.6 -9.5 | 282 103 101.4 -20.8 27 204 11842 275 99 98.6 -8.6 | 282 94 91.4 -19.9 28 200 11970 275 99 98.6 -8.6 | 282 94 91.4 -19.9 29 160 13411 275 81 80.7 -7.1 | 284 76 73.5 -18.3 30 152 13716 280 90 88.6 -15.6 | 288 86 81.4 -26.9 31 150 13820 275 86 85.7 -7.5 | 283 81 78.5 -18.8 32 132 14630 275 69 68.7 -6.0 | 286 64 61.5 -17.3 33 126 14935 275 76 75.7 -6.6 | 285 71 68.5 -17.9 34 114 15545 275 56 55.8 -4.9 | 288 51 48.6 -16.2 35 108 15850 275 65 64.8 -5.7 | 286 60 57.6 -17.0 36 103 16154 275 46 45.8 -4.0 | 292 42 38.6 -15.3 37 100 16360 295 48 43.5 -20.3 | 311 48 36.3 -31.6 38 94 16764 295 48 43.5 -20.3 | 311 48 36.3 -31.6 39 70 18560 315 19 13.4 -13.4 | 346 25 6.2 -24.7 40 50 20660 270 22 22.0 -0.0 | 307 19 14.8 -11.3 41 30 23870 165 10 -2.6 9.7 | 81 10 -9.8 -1.6 Wind Parameters Mean winds (0-6000m): 182.5 at 17.9 knts Storm direction: 212.5 at 13.4 knts Shear (0-3000m) pos: 0.6 neg: 4.0 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 109.0 deg Storm rel helicity (0-3000m) pos: 16.3 neg: -56.3 tot: -40.0 m^2/s^2 ave: -13.3 10^-3 m/s^2 rel: -0.03 Storm rel vorticity (0-3000m) horiz: 8.0 stream: -0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.40 Bulk Shear: 14.49 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 31 3| 0.0 16.1 16.1| 5.9 -3.5 2.3 4.7 0.38| 17.5 6.6 1000 188 16 134 7| 0.0 14.2 14.2| 10.2 -8.3 1.9 1.9 0.23| 15.7 3.5 1500 178 20 136 11| 0.0 9.8 9.8| 10.2 -33.0 -22.9 -15.2 0.06| 12.4 0.7 2000 172 21 133 14| 0.0 6.5 6.5| 10.2 -42.2 -32.1 -16.0 0.01| 10.1 0.1 2500 169 21 130 14| 0.0 4.8 4.8| 10.2 -52.4 -42.2 -16.9 -0.05| 8.6 -0.4 3000 168 21 128 15| 0.6 4.0 4.7| 16.3 -56.3 -40.0 -13.3 -0.03| 8.0 -0.2 4000 170 19 127 13| 1.4 3.2 4.5| 28.0 -77.5 -49.5 -12.4 -0.07| 8.6 -0.6 5000 174 18 127 11| 2.2 2.5 4.7| 29.9 -78.4 -48.4 -9.7 -0.02| 8.0 -0.2 6000 183 18 136 9| 2.4 2.1 4.5| 34.1 -81.9 -47.9 -8.0 0.00| 7.5 0.0 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20250531.23.gif