UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042223.upa.cvt Date: 2300Z 22 APR 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 22 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 1019 19 19.0 17.5 91 1.5 18.0 185 3 290.6 292.8 290.5 325.6 12.44 1 1000 180 18.2 15.1 82 3.1 16.2 105 8 291.4 293.3 289.3 322.0 10.85 2 966 476 16.2 13.7 85 2.5 14.6 92 21 292.2 294.1 289.2 321.3 10.25 3 943 682 16.8 9.8 63 7.0 12.6 90 30 294.9 296.3 288.2 318.2 8.09 4 925 846 15.2 9.2 67 6.0 11.7 90 30 294.9 296.3 288.0 317.7 7.91 5 850 1556 9.6 7.2 85 2.4 8.2 90 36 296.2 297.6 288.1 318.1 7.51 6 837 1684 8.6 6.8 88 1.8 7.6 90 37 296.5 297.8 288.1 318.1 7.42 7 765 2425 4.6 3.8 95 0.8 4.2 101 32 299.9 301.1 288.5 319.4 6.58 8 747 2619 4.4 -0.6 70 5.0 1.9 106 29 301.7 302.6 287.6 316.5 4.90 9 705 3089 1.0 -0.3 91 1.3 0.4 115 23 303.0 304.0 288.4 319.0 5.31 10 700 3146 1.4 -1.4 82 2.8 0.0 115 22 304.0 304.9 288.4 319.1 4.93 11 680 3379 0.0 -3.3 78 3.3 -1.6 111 20 305.0 305.8 288.3 318.5 4.41 12 668 3521 -0.9 -1.0 99 0.1 -1.0 108 18 305.5 306.5 289.3 321.8 5.33 13 619 4127 -3.9 -8.9 68 5.0 -6.0 120 21 308.8 309.4 288.3 318.8 3.15 14 601 4360 -4.5 -16.5 39 12.0 -8.5 128 23 310.8 311.1 287.6 316.5 1.75 15 581 4626 -5.9 -14.9 49 9.0 -9.1 135 23 312.1 312.5 288.4 318.9 2.07 16 577 4680 -6.3 -9.1 80 2.8 -7.5 134 23 312.3 312.9 289.6 322.9 3.33 17 570 4775 -6.9 -12.9 62 6.0 -9.1 133 22 312.7 313.2 289.0 320.7 2.48 18 567 4817 -7.1 -9.6 82 2.5 -8.1 133 21 312.9 313.5 289.8 323.4 3.26 19 550 5054 -7.3 -23.3 27 16.0 -11.8 131 18 315.4 315.6 288.4 319.0 1.06 20 542 5168 -7.9 -21.9 31 14.0 -12.0 130 16 316.0 316.3 288.8 320.2 1.22 21 500 5790 -12.9 -22.9 43 10.0 -15.6 170 14 317.3 317.5 289.2 321.4 1.21 22 496 5851 -13.3 -22.3 47 9.0 -15.7 173 13 317.6 317.8 289.3 321.9 1.29 23 400 7440 -26.1 -46.1 13 20.0 -28.2 180 14 321.1 321.1 289.2 321.6 0.15 24 361 8176 -32.3 -52.3 12 20.0 -33.7 167 19 322.3 322.3 289.6 322.7 0.08 25 358 8235 -32.7 -47.7 21 15.0 -33.9 165 20 322.6 322.6 289.7 323.1 0.14 26 300 9460 -41.7 -58.7 14 17.0 -42.4 190 15 326.6 326.6 290.8 326.8 0.05 27 264 10312 -47.9 -64.9 12 17.0 -48.3 215 19 329.7 329.7 291.6 329.8 0.02 28 250 10670 -48.7 -69.7 7 21.0 -49.1 250 17 333.7 333.7 292.7 333.7 0.01 29 247 10749 -49.1 -70.1 7 21.0 -49.5 255 21 334.2 334.2 292.9 334.3 0.01 30 228 11277 -47.5 -72.5 4 25.0 -48.0 250 34 344.4 344.4 295.4 344.4 0.01 31 200 12140 -49.1 -79.1 2 30.0 -49.6 260 50 355.0 355.0 297.7 355.0 0.00 32 192 12408 -47.9 -79.9 1 32.0 -48.6 260 46 361.1 361.1 298.9 361.1 0.00 33 172 13128 -51.1 -81.8 1 30.7 -51.6 260 61 367.3 367.3 300.1 367.4 0.00 34 150 14010 -55.1 -84.1 2 29.0 -55.5 265 45 375.1 375.1 301.5 375.1 0.00 35 100 16530 -66.7 -87.7 4 21.0 -66.8 265 41 398.9 398.9 305.0 398.9 0.00 36 77 18092 -70.7 -89.7 4 19.0 -70.8 244 17 421.5 421.5 307.9 421.5 0.00 37 70 18660 -68.1 -90.1 3 22.0 -68.2 235 7 438.7 438.7 309.7 438.7 0.00 38 50 20690 -65.1 -90.1 2 25.0 -65.4 70 10 490.1 490.1 314.2 490.1 0.00 39 46 21201 -63.7 -89.7 2 26.0 -64.1 84 10 505.3 505.3 315.3 505.3 0.00 40 45 21336 -64.3 -90.3 2 26.0 -64.7 88 10 507.0 507.0 315.4 507.0 0.00 41 39 22227 -57.9 -88.9 1 31.0 -58.8 111 9 544.4 544.4 317.8 544.4 0.00 42 37 22559 -58.9 -88.9 1 30.0 -59.7 120 9 550.1 550.1 318.1 550.1 0.00 43 31 23673 -58.3 -88.3 1 30.0 -59.4 150 8 580.2 580.2 319.7 580.3 0.01 44 30 23880 -56.7 -88.7 1 32.0 -58.0 155 8 590.1 590.1 320.2 590.1 0.00 45 27 24550 -53.5 -86.5 1 33.0 -55.5 178 8 617.1 617.1 321.3 617.2 0.01 46 21 26164 -52.7 -86.7 1 34.0 -55.4 234 7 665.5 665.5 323.3 665.6 0.01 47 20 26480 -49.9 -85.9 1 36.0 -53.4 245 7 683.4 683.4 323.9 683.5 0.01 48 18 27172 -47.7 -84.7 1 37.0 -52.2 711.3 711.3 324.8 711.4 0.02 TRP 247 10749 -49.1 -70.1 7 21.0 -49.5 255 21 334.2 334.2 292.9 334.3 0.01 WND 172 13128 -51.1 -81.8 1 30.7 -51.6 260 61 367.3 367.3 300.1 367.4 0.00 Sounding variables and indices 1000-500 mb thick: 5610.00 m Freezing level: 680.00 mb = 3378.98 m = 11085.77 ft Wetbulb zero: 699.75 mb = 3148.87 m = 10330.81 ft Precipitable water: 1.24 inches Sfc-500 mean rel hum: 71.52 % Est. max temperature: 24.31 C = 75.75 F Sfc-Lift cond lev (LCL): 996.95 mb = 206.18 m = 676.45 ft T: 18.02 C 700-500 lapse rate: 5.41 C/km ThetaE index: 7.88 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 874.61 mb = 1316.35 m = 4318.68 ft Mean mixing ratio: 9.78 g/kg Conv temperature: 24.21 C = 75.58 F Cap Strength: 3.80 C Lifted Index: 3.08 C Risk: None Lifted Index @300 mb: 4.69 C Lifted Index @700 mb: 0.68 C Showalter Index: 4.60 C Risk: None Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 20.10 C K Index: 26.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 172.40 Risk: None Energy Index: 0.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.45 J/kg Max Up Vert Vel: 6.55 m/s Conv Inhibition (B-): 51.43 J/kg Cap Strength: 3.77 C Lift Cond Lev (LCL): 913.22 mb = 953.64 m = 3128.71 ft Lev Free Conv (LFC): 818.22 mb = 1870.88 m = 6137.97 ft Equ Level (EL): 758.22 mb = 2497.26 m = 8193.00 ft B at Equ Level: 20.58 J/kg Max Parcel Lev (MPL): 648.22 mb = 3760.34 m = 12336.92 ft Wind level data Storm motion: 137 at 18 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 1019 19 185 3 0.3 3.0 | 309 16 12.2 -10.0 1 1000 180 105 8 -7.7 2.1 | 339 12 4.2 -10.9 2 985 305 95 10 -10.0 0.9 | 351 12 2.0 -12.1 3 951 610 90 30 -30.0 0.0 | 54 22 -18.1 -12.9 4 925 846 90 30 -30.0 0.0 | 54 22 -18.1 -12.9 5 917 914 90 30 -30.0 0.0 | 54 22 -18.1 -12.9 6 885 1219 80 31 -30.5 -5.4 | 45 26 -18.6 -18.3 7 850 1556 90 36 -36.0 0.0 | 62 27 -24.1 -12.9 8 822 1829 90 38 -38.0 0.0 | 64 29 -26.1 -12.9 9 792 2134 95 36 -35.9 3.1 | 68 26 -23.9 -9.8 10 708 3048 115 23 -20.8 9.7 | 70 9 -8.9 -3.2 11 700 3146 115 22 -19.9 9.3 | 66 9 -8.0 -3.7 12 656 3658 105 17 -16.4 4.4 | 28 10 -4.5 -8.5 13 607 4267 125 22 -18.0 12.6 | 87 6 -6.1 -0.3 14 584 4572 135 24 -17.0 17.0 | 129 6 -5.1 4.0 15 540 5182 130 16 -12.3 10.3 | 7 3 -0.3 -2.7 16 500 5790 170 14 -2.4 13.8 | 265 10 9.5 0.8 17 500 5791 175 13 -1.1 13.0 | 270 11 10.8 0.0 18 460 6401 155 11 -4.6 10.0 | 292 8 7.3 -3.0 19 424 7010 160 10 -3.4 9.4 | 293 9 8.5 -3.6 20 407 7315 155 11 -4.6 10.0 | 292 8 7.3 -3.0 21 400 7440 180 14 0.0 14.0 | 265 12 11.9 1.1 22 390 7620 180 14 0.0 14.0 | 265 12 11.9 1.1 23 357 8230 165 20 -5.2 19.3 | 227 9 6.7 6.4 24 328 8839 175 17 -1.5 16.9 | 249 11 10.4 4.0 25 300 9449 190 17 3.0 16.7 | 256 15 14.9 3.8 26 300 9460 190 15 2.6 14.8 | 263 15 14.5 1.8 27 250 10668 225 20 14.1 14.1 | 267 26 26.1 1.2 28 250 10670 250 17 16.0 5.8 | 284 29 27.9 -7.1 29 247 10749 255 21 20.3 5.4 | 283 33 32.2 -7.5 30 239 10973 265 27 26.9 2.4 | 285 40 38.8 -10.6 31 228 11278 250 34 31.9 11.6 | 272 44 43.9 -1.3 32 200 12140 260 50 49.2 8.7 | 274 61 61.2 -4.3 33 198 12192 260 53 52.2 9.2 | 273 64 64.1 -3.7 34 189 12497 260 43 42.3 7.5 | 276 55 54.3 -5.5 35 173 13106 270 58 58.0 -0.0 | 280 71 69.9 -12.9 36 172 13128 260 61 60.1 10.6 | 272 72 72.0 -2.4 37 165 13411 260 61 60.1 10.6 | 272 72 72.0 -2.4 38 150 14010 265 45 44.8 3.9 | 279 57 56.7 -9.0 39 150 14021 260 44 43.3 7.6 | 275 56 55.3 -5.3 40 143 14326 270 49 49.0 -0.0 | 282 62 60.9 -12.9 41 129 14935 255 56 54.1 14.5 | 269 66 66.0 1.5 42 123 15240 240 38 32.9 19.0 | 262 45 44.8 6.1 43 117 15545 260 25 24.6 4.3 | 283 38 36.5 -8.6 44 112 15850 270 29 29.0 -0.0 | 288 43 40.9 -12.9 45 100 16530 265 41 40.8 3.6 | 280 54 52.8 -9.4 46 96 16764 265 41 40.8 3.6 | 280 54 52.8 -9.4 47 70 18660 235 7 5.7 4.0 | 297 20 17.7 -8.9 48 50 20690 70 10 -9.4 -3.4 | 351 17 2.5 -16.4 49 30 23880 155 8 -3.4 7.3 | 304 10 8.5 -5.7 50 20 26480 245 7 6.3 3.0 | 299 21 18.3 -10.0 Wind Parameters Mean winds (0-6000m): 107.4 at 23.5 knts Storm direction: 137.4 at 17.6 knts Shear (0-3000m) pos: 2.5 neg: 5.3 tot: 7.8 10-3/s Storm rel Dir Shear (0-3000m): 121.5 deg Storm rel helicity (0-3000m) pos: 174.8 neg: -25.3 tot: 149.5 m^2/s^2 ave: 49.8 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 11.4 stream: 5.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.05 Bulk Shear: 20.50 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 98 11 356 11| 0.0 25.1 25.1| 71.7 0.0 71.7 143.3 0.84| 26.3 22.1 1000 92 20 35 15| 0.0 15.9 15.9| 89.1 -7.7 81.3 81.3 0.71| 17.2 12.1 1500 88 24 42 18| 1.8 10.6 12.4|136.5 -24.1 112.3 74.9 0.64| 15.0 9.5 2000 89 28 50 21| 1.9 8.0 9.9|159.0 -24.1 134.8 67.4 0.63| 12.6 7.9 2500 91 29 54 21| 1.8 6.4 8.2|173.5 -24.1 149.3 59.7 0.58| 11.9 6.8 3000 94 29 56 20| 2.5 5.3 7.8|174.8 -25.3 149.5 49.8 0.50| 11.4 5.7 4000 97 26 55 17| 2.2 3.6 5.8|182.7 -40.7 142.1 35.5 0.39| 10.0 3.9 5000 103 25 60 15| 2.5 2.7 5.2|195.2 -43.6 151.7 30.3 0.38| 9.4 3.6 6000 107 23 60 12| 2.6 2.3 4.8|200.3 -47.9 152.4 25.4 0.28| 9.1 2.6 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20250422.23.gif