UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for MMMX... Searching the city database file for: MMMX ... Date:0000Z 21 APR 25 Station: MMMX WMO ident: 76679 Latitude: 19.43 Longitude: -99.08 Elevation: 2234.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 -21 1 925 690 2 850 1451 SFC 771 2234 27.2 -0.8 16 28.0 11.2 160 6 323.5 324.5 294.0 338.9 4.68 4 700 3154 18.6 -1.4 26 20.0 7.4 100 2 323.1 324.1 294.1 339.2 4.93 5 536 5354 -2.5 -6.1 76 3.6 -4.3 327 10 323.5 324.4 293.9 338.4 4.53 6 500 5900 -7.3 -9.3 86 2.0 -8.2 330 10 324.1 324.9 293.5 336.7 3.78 7 487 6105 -8.1 -14.1 62 6.0 -10.4 329 10 325.6 326.1 292.9 334.6 2.64 8 446 6780 -13.5 -17.5 72 4.0 -14.9 251 9 327.1 327.5 292.9 334.6 2.17 9 440 6883 -14.3 -17.8 75 3.5 -15.4 244 10 327.4 327.8 293.0 334.7 2.14 10 433 7004 -14.7 -25.7 39 11.0 -17.6 236 12 328.4 328.6 292.3 332.2 1.09 11 430 7057 -14.3 -36.3 14 22.0 -18.6 232 13 329.5 329.6 292.0 331.0 0.40 12 407 7471 -17.9 -33.9 23 16.0 -21.1 220 22 330.1 330.2 292.3 332.1 0.53 13 400 7600 -18.7 -35.7 21 17.0 -21.8 225 25 330.7 330.8 292.4 332.4 0.46 14 358 8421 -21.7 -56.7 3 35.0 -25.2 264 34 337.3 337.3 293.7 337.5 0.05 15 334 8929 -24.5 -60.5 2 36.0 -27.6 275 44 340.2 340.3 294.4 340.4 0.03 16 300 9700 -30.9 -59.9 4 29.0 -32.9 305 49 341.8 341.8 294.8 342.0 0.04 17 270 10435 -36.7 -52.7 18 16.0 -37.8 302 53 343.9 343.9 295.3 344.3 0.11 18 250 10960 -41.5 -50.5 37 9.0 -42.1 295 53 344.4 344.4 295.5 345.0 0.15 19 244 11125 -42.9 -49.9 46 7.0 -43.3 291 50 344.7 344.7 295.6 345.3 0.16 20 232 11464 -45.9 -50.9 57 5.0 -46.2 283 45 345.1 345.2 295.7 345.8 0.15 21 218 11877 -48.3 -59.3 27 11.0 -48.7 282 46 347.6 347.6 296.1 347.9 0.06 22 200 12440 -52.9 -63.9 25 11.0 -53.2 285 51 349.0 349.0 296.4 349.2 0.04 23 166 13613 -62.7 -69.7 38 7.0 -62.8 288 57 351.7 351.7 297.0 351.8 0.02 24 150 14230 -67.5 -75.5 31 8.0 -67.5 290 60 353.8 353.8 297.4 353.8 0.01 25 144 14475 -68.9 -78.9 22 10.0 -68.9 286 57 355.5 355.5 297.8 355.5 0.01 26 113 15894 -78.4 -84.8 34 6.4 -78.4 270 60 363.2 363.3 299.3 363.3 0.00 27 110 16047 -79.5 -85.5 36 6.0 -79.5 275 58 364.1 364.1 299.5 364.1 0.00 28 107 16206 -75.1 -85.1 20 10.0 -75.2 279 52 375.3 375.3 301.5 375.3 0.00 29 106 16260 -73.3 -84.3 17 11.0 -73.3 281 51 379.7 379.7 302.2 379.7 0.00 30 100 16600 -75.5 -85.5 19 10.0 -75.5 290 39 381.9 381.9 302.5 381.9 0.00 31 91 17145 -77.1 -87.1 19 10.0 -77.1 295 26 389.1 389.1 303.6 389.1 0.00 32 87 17407 -73.3 -87.3 10 14.0 -73.3 282 24 401.8 401.8 305.5 401.8 0.00 33 71 18579 -79.9 -89.9 17 10.0 -79.9 276 6 411.8 411.8 306.7 411.8 0.00 34 70 18660 -77.9 -89.9 13 12.0 -77.9 315 6 417.7 417.7 307.4 417.7 0.00 35 69 18742 -76.9 -89.9 11 13.0 -76.9 315 6 421.6 421.6 307.9 421.6 0.00 36 63 19264 -77.5 -88.5 15 11.0 -77.6 339 10 431.4 431.4 309.0 431.4 0.00 37 60 19547 -71.7 -87.7 7 16.0 -71.8 119 6 450.4 450.4 310.9 450.4 0.00 38 54 20175 -66.9 -86.9 4 20.0 -67.1 122 14 475.3 475.3 313.1 475.3 0.00 39 50 20640 -66.7 -86.7 4 20.0 -67.0 120 10 486.3 486.3 314.0 486.3 0.00 40 47 21014 -67.5 -87.5 4 20.0 -67.7 133 18 493.1 493.1 314.4 493.1 0.00 41 37 22471 -63.5 -87.5 2 24.0 -64.0 132 10 538.3 538.3 317.4 538.3 0.00 42 31 23580 -55.3 -85.3 1 30.0 -56.8 122 13 588.3 588.3 320.0 588.4 0.01 43 30 23790 -54.7 -84.7 1 30.0 -56.3 80 16 595.5 595.5 320.4 595.6 0.01 44 21 26101 -49.9 -83.9 1 34.0 -53.3 72 17 674.0 674.0 323.6 674.1 0.02 45 20 26420 -50.3 -83.3 1 33.0 -53.7 70 23 682.2 682.2 323.9 682.4 0.02 46 19 26754 -50.5 -83.5 1 33.0 -53.9 78 24 691.7 691.7 324.1 691.8 0.02 47 16 27881 -46.7 -82.7 1 36.0 -52.0 107 28 738.9 738.9 325.6 739.1 0.03 48 14 28763 -47.9 -81.9 1 34.0 -53.1 81 31 763.6 763.6 326.3 763.9 0.03 49 10 31020 -39.5 -78.5 1 39.0 -50.0 80 39 872.1 872.1 328.9 873.0 0.08 50 8.8 31897 -38.3 -76.3 1 38.0 -50.1 909.2 909.3 329.6 910.7 0.14 TRP 110 16047 -79.5 -85.5 36 6.0 -79.5 275 58 364.1 364.1 299.5 364.1 0.00 WND 113 15894 -78.4 -84.8 34 6.4 -78.4 270 60 363.2 363.3 299.3 363.3 0.00 Sounding variables and indices 1000-500 mb thick: 5921.00 m Freezing level: 555.43 mb = 5092.93 m = 16708.88 ft Wetbulb zero: 595.73 mb = 4482.96 m = 14707.68 ft Sfc-500 mean rel hum: 49.07 % Est. max temperature: 27.15 C = 80.88 F Sfc-Lift cond lev (LCL): 509.58 mb = 5750.85 m = 18867.38 ft T: -5.99 C 700-500 lapse rate: 9.43 C/km Conv cond level (CCL): 510.20 mb = 5741.35 m = 18836.21 ft Mean mixing ratio: 4.84 g/kg Conv temperature: 27.59 C = 81.67 F Cap Strength: 0.51 C Lifted Index: -0.17 C Risk: Thunderstorms probable Lifted Index @300 mb: 3.71 C Lifted Index @700 mb: -0.17 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.02 J/kg Max Up Vert Vel: 6.48 m/s Conv Inhibition (B-): 8.99 J/kg Cap Strength: 0.51 C Lift Cond Lev (LCL): 514.75 mb = 5671.55 m = 18607.22 ft Lev Free Conv (LFC): 469.75 mb = 6381.71 m = 20937.10 ft Equ Level (EL): 389.75 mb = 7792.21 m = 25564.69 ft B at Equ Level: 19.09 J/kg Max Parcel Lev (MPL): 369.75 mb = 8182.12 m = 26843.90 ft Wind level data Storm motion: 300 at 8 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 ---------------------------------------------------------- 0 771 2234 160 6 -2.1 5.6 | 138 13 -8.6 9.5 1 755 2438 165 4 -1.0 3.9 | 135 11 -7.6 7.7 2 731 2743 280 2 2.0 -0.3 | 127 6 -4.6 3.5 3 708 3048 170 2 -0.3 2.0 | 130 9 -6.9 5.8 4 700 3154 100 2 -2.0 0.3 | 116 10 -8.5 4.2 5 683 3353 320 2 1.3 -1.5 | 114 6 -5.3 2.3 6 658 3658 285 2 1.9 -0.5 | 126 6 -4.6 3.3 7 634 3962 325 8 4.6 -6.6 | 36 3 -2.0 -2.7 8 611 4267 320 8 5.1 -6.1 | 32 3 -1.4 -2.3 9 588 4572 295 6 5.4 -2.5 | 140 2 -1.1 1.3 10 567 4877 300 10 8.7 -5.0 | 298 2 2.1 -1.1 11 546 5182 320 10 6.4 -7.7 | 2 4 -0.1 -3.8 12 526 5486 335 10 4.2 -9.1 | 24 6 -2.3 -5.2 13 500 5900 330 10 5.0 -8.7 | 18 5 -1.6 -4.8 14 487 6096 330 10 5.0 -8.7 | 18 5 -1.6 -4.8 15 468 6401 290 8 7.5 -2.7 | 221 1 1.0 1.1 16 450 6706 255 8 7.7 2.1 | 191 6 1.2 5.9 17 432 7010 235 12 9.8 6.9 | 197 11 3.3 10.7 18 415 7315 215 18 10.3 14.7 | 191 19 3.8 18.6 19 400 7600 225 25 17.7 17.7 | 207 24 11.1 21.5 20 399 7620 225 23 16.3 16.3 | 206 22 9.7 20.1 21 367 8230 270 25 25.0 -0.0 | 258 19 18.4 3.9 22 352 8534 260 41 40.4 7.1 | 252 36 33.8 11.0 23 300 9700 305 49 40.1 -28.1 | 306 41 33.6 -24.2 24 298 9754 310 54 41.4 -34.7 | 312 47 34.8 -30.8 25 250 10960 295 53 48.0 -22.4 | 294 45 41.5 -18.5 26 228 11582 280 43 42.3 -7.5 | 276 36 35.8 -3.6 27 200 12440 285 51 49.3 -13.2 | 282 44 42.7 -9.3 28 150 14230 290 60 56.4 -20.5 | 288 53 49.8 -16.7 29 148 14326 290 60 56.4 -20.5 | 288 53 49.8 -16.7 30 133 14935 275 49 48.8 -4.3 | 271 42 42.3 -0.4 31 114 15850 260 64 63.0 11.1 | 255 58 56.5 15.0 32 113 15894 270 60 60.0 -0.0 | 266 54 53.4 3.9 33 110 16047 275 58 57.8 -5.1 | 271 51 51.2 -1.2 34 100 16600 290 39 36.6 -13.3 | 287 32 30.1 -9.5 35 97 16764 290 39 36.6 -13.3 | 287 32 30.1 -9.5 36 92 17069 300 27 23.4 -13.5 | 300 19 16.8 -9.6 37 87 17374 280 23 22.7 -4.0 | 270 16 16.1 -0.1 38 83 17678 295 33 29.9 -13.9 | 293 25 23.4 -10.1 39 79 17983 280 19 18.7 -3.3 | 267 12 12.2 0.6 40 75 18288 295 14 12.7 -5.9 | 289 6 6.1 -2.1 41 71 18593 275 6 6.0 -0.5 | 170 3 -0.6 3.3 42 70 18660 315 6 4.2 -4.2 | 81 2 -2.3 -0.4 43 67 18898 315 6 4.2 -4.2 | 81 2 -2.3 -0.4 44 64 19202 300 12 10.4 -6.0 | 299 4 3.8 -2.1 45 61 19507 95 6 -6.0 0.5 | 109 13 -12.5 4.4 46 58 19812 215 4 2.3 3.3 | 149 8 -4.3 7.1 47 55 20117 120 14 -12.1 7.0 | 120 22 -18.7 10.9 48 52 20422 130 12 -9.2 7.7 | 126 20 -15.7 11.6 49 50 20640 120 10 -8.7 5.0 | 120 18 -15.2 8.9 50 49 20726 75 8 -7.7 -2.1 | 97 14 -14.3 1.8 51 47 21031 135 18 -12.7 12.7 | 131 25 -19.3 16.6 52 45 21336 85 18 -17.9 -1.6 | 95 25 -24.5 2.3 53 43 21641 150 18 -9.0 15.6 | 141 25 -15.6 19.4 54 40 21946 150 16 -8.0 13.9 | 141 23 -14.6 17.7 55 39 22250 140 8 -5.1 6.1 | 130 15 -11.7 10.0 56 35 22860 120 12 -10.4 6.0 | 120 20 -16.9 9.9 57 32 23470 130 14 -10.7 9.0 | 127 22 -17.3 12.9 58 30 23774 110 12 -11.3 4.1 | 114 20 -17.8 8.0 59 30 23790 80 16 -15.8 -2.8 | 93 22 -22.3 1.1 60 29 24079 50 12 -9.2 -7.7 | 76 16 -15.7 -3.9 61 26 24689 25 16 -6.8 -14.5 | 51 17 -13.3 -10.6 62 25 24994 70 16 -15.0 -5.5 | 86 22 -21.6 -1.6 63 24 25298 85 18 -17.9 -1.6 | 95 25 -24.5 2.3 64 23 25603 50 16 -12.3 -10.3 | 71 20 -18.8 -6.4 65 22 25908 75 14 -13.5 -3.6 | 91 20 -20.1 0.2 66 21 26213 70 19 -17.9 -6.5 | 84 25 -24.4 -2.6 67 20 26420 70 23 -21.6 -7.9 | 82 28 -28.2 -4.0 68 16 28042 110 29 -27.3 9.9 | 112 37 -33.8 13.8 69 14 28956 75 31 -29.9 -8.0 | 83 37 -36.5 -4.2 70 12 29566 100 31 -30.5 5.4 | 104 38 -37.1 9.2 71 12 29870 80 29 -28.6 -5.0 | 88 35 -35.1 -1.2 72 10 31020 80 39 -38.4 -6.8 | 86 45 -45.0 -2.9 Wind Parameters Mean winds (0-6000m): 270.5 at 10.1 knts Storm direction: 300.5 at 7.6 knts Shear (0-3000m) pos: 2.7 neg: 1.2 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): -131.1 deg Storm rel helicity (0-3000m) pos: 11.2 neg: -17.4 tot: -6.2 m^2/s^2 ave: -2.1 10^-3 m/s^2 rel: 0.04 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.25 Bulk Shear: 16.78 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 ------------------------------------------------------------------------------- 500 174 4 138 10| 7.4 0.0 7.4| 3.1 -4.0 -0.9 -1.8 -0.10| 8.4 -0.8 1000 174 3 134 10| 3.7 0.0 3.7| 4.3 -14.5 -10.2 -10.2 -0.28| 8.2 -2.3 1500 207 3 139 8| 2.4 1.6 4.0| 7.3 -14.5 -7.2 -4.8 -0.12| 7.3 -0.9 2000 301 4 120 4| 3.1 1.2 4.3| 7.3 -17.4 -10.1 -5.0 -0.26| 7.0 -1.8 2500 304 4 116 3| 2.5 1.5 3.9| 8.4 -17.4 -9.0 -3.6 -0.08| 6.8 -0.6 3000 306 5 108 2| 2.7 1.2 4.0| 11.2 -17.4 -6.2 -2.1 0.04| 6.6 0.3 4000 317 7 65 2| 2.2 1.3 3.5| 13.0 -19.4 -6.4 -1.6 0.02| 5.7 0.1 5000 298 7 169 0| 1.7 2.8 4.5| 14.2 -25.2 -11.0 -2.2 -0.07| 6.6 -0.4 6000 270 10 224 5| 2.8 2.3 5.1|142.3 -27.2 115.0 19.2 0.20| 7.9 1.6 Wrote GIF file: /home/apache/climate/data/raob//MMMX/skewt/MMMX.skewt.20250421.00.gif