UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100612.upa.cvt Date: 1200Z 6 OCT 25 Searching for MMMX... Searching the city database file for: MMMX ... Date:1200Z 6 OCT 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 98 1 925 782 2 850 1513 SFC 774 2234 13.6 12.4 92 1.2 12.8 280 5 308.5 310.8 295.3 344.3 11.78 4 700 3153 9.6 7.1 84 2.5 8.0 185 2 313.1 314.8 294.6 341.3 9.08 5 551 5109 -0.7 -3.2 83 2.5 -2.0 154 8 323.1 324.2 294.6 341.0 5.49 6 500 5880 -5.5 -7.0 89 1.5 -6.2 225 4 326.3 327.2 294.7 341.4 4.53 7 460 6527 -9.9 -10.5 95 0.6 -10.2 233 6 328.7 329.5 294.7 341.4 3.74 8 400 7590 -16.5 -21.0 68 4.5 -17.9 260 6 333.5 333.9 294.3 339.9 1.79 9 383 7916 -18.3 -22.3 71 4.0 -19.5 227 4 335.3 335.7 294.6 341.3 1.67 10 357 8440 -20.3 -32.3 33 12.0 -22.8 313 8 339.5 339.6 294.8 342.2 0.71 11 325 9131 -24.1 -43.1 16 19.0 -26.8 43 17 343.5 343.5 295.4 344.5 0.26 12 300 9710 -28.9 -48.9 13 20.0 -31.0 55 14 344.6 344.7 295.6 345.3 0.15 13 250 10990 -40.3 -58.3 13 18.0 -41.2 340 10 346.2 346.2 295.8 346.4 0.06 14 228 11611 -46.1 -62.1 15 16.0 -46.7 345 10 346.5 346.5 295.9 346.7 0.04 15 200 12470 -52.9 -66.9 17 14.0 -53.2 10 12 349.0 349.0 296.4 349.1 0.02 16 150 14260 -66.5 -77.5 20 11.0 -66.6 25 39 355.5 355.5 297.8 355.6 0.01 17 135 14890 -71.3 -80.3 25 9.0 -71.3 30 34 357.9 357.9 298.3 357.9 0.00 18 112 15975 -78.3 -85.3 31 7.0 -78.3 39 24 364.4 364.4 299.5 364.4 0.00 19 100 16620 -79.1 -85.1 37 6.0 -79.1 45 18 374.9 374.9 301.4 374.9 0.00 20 97 16792 -80.5 -85.5 43 5.0 -80.5 65 21 375.5 375.5 301.5 375.5 0.00 21 92 17091 -80.3 -85.3 43 5.0 -80.3 64 21 381.6 381.6 302.5 381.6 0.00 22 90 17216 -79.1 -85.1 37 6.0 -79.1 60 22 386.4 386.4 303.2 386.4 0.00 23 89 17280 -75.1 -84.1 23 9.0 -75.2 58 22 395.6 395.6 304.6 395.6 0.00 24 80 17897 -75.5 -83.5 27 8.0 -75.5 75 10 407.0 407.0 306.2 407.0 0.00 25 78 18045 -72.7 -82.7 21 10.0 -72.8 62 10 415.8 415.8 307.2 415.8 0.01 26 70 18680 -72.7 -83.7 17 11.0 -72.8 100 19 428.9 428.9 308.7 428.9 0.01 27 65 19113 -75.1 -85.1 20 10.0 -75.2 108 16 432.8 432.8 309.1 432.8 0.00 28 52 20432 -68.3 -82.3 12 14.0 -68.5 97 31 477.2 477.2 313.2 477.2 0.01 29 51 20550 -65.5 -81.5 9 16.0 -65.8 104 31 486.4 486.4 314.0 486.4 0.01 30 50 20670 -66.1 -80.1 12 14.0 -66.3 110 31 487.7 487.7 314.1 487.8 0.01 31 46 21182 -61.1 -77.1 10 16.0 -61.6 85 32 511.6 511.6 315.8 511.7 0.02 TRP 97 16792 -80.5 -85.5 43 5.0 -80.5 65 21 375.5 375.5 301.5 375.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 561.13 mb = 4975.62 m = 16324.02 ft Wetbulb zero: 580.33 mb = 4684.77 m = 15369.79 ft Sfc-500 mean rel hum: 85.36 % Est. max temperature: 22.31 C = 72.15 F Sfc-Lift cond lev (LCL): 760.33 mb = 2396.95 m = 7863.92 ft T: 12.89 C 700-500 lapse rate: 5.54 C/km ThetaE index: 3.26 C Layer 700.0- 500.0 mb Conv cond level (CCL): 672.06 mb = 3485.77 m = 11436.11 ft Mean mixing ratio: 9.97 g/kg Conv temperature: 19.43 C = 66.97 F Cap Strength: 1.21 C Lifted Index: 0.34 C Risk: Showers probable Lifted Index @300 mb: 3.78 C Lifted Index @700 mb: 1.20 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.64 J/kg Max Up Vert Vel: 7.70 m/s Conv Inhibition (B-): 81.86 J/kg Cap Strength: 1.21 C Lift Cond Lev (LCL): 701.62 mb = 3131.86 m = 10275.00 ft Lev Free Conv (LFC): 466.62 mb = 6416.39 m = 21050.89 ft Equ Level (EL): 416.62 mb = 7280.46 m = 23885.74 ft B at Equ Level: 29.51 J/kg Max Parcel Lev (MPL): 356.62 mb = 8447.34 m = 27714.03 ft Wind level data Storm motion: 229 at 4 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 ---------------------------------------------------------- 0 774 2234 280 5 4.9 -0.9 | 331 4 1.9 -3.5 1 757 2438 330 4 2.0 -3.5 | 9 6 -1.0 -6.0 2 732 2743 210 2 1.0 1.7 | 67 2 -2.0 -0.8 3 708 3048 200 2 0.7 1.9 | 73 2 -2.3 -0.7 4 700 3153 185 2 0.2 2.0 | 78 3 -2.8 -0.6 5 683 3353 160 2 -0.7 1.9 | 79 4 -3.7 -0.7 6 658 3658 135 4 -2.8 2.8 | 92 6 -5.8 0.2 7 633 3962 115 6 -5.4 2.5 | 90 8 -8.4 -0.0 8 610 4267 160 6 -2.1 5.6 | 121 6 -5.0 3.1 9 588 4572 140 6 -3.9 4.6 | 106 7 -6.9 2.0 10 566 4877 150 8 -4.0 6.9 | 122 8 -7.0 4.3 11 525 5486 160 8 -2.7 7.5 | 131 8 -5.7 4.9 12 506 5791 235 4 3.3 2.3 | 316 0 0.3 -0.3 13 500 5880 225 4 2.8 2.8 | 146 0 -0.2 0.2 14 449 6706 235 6 4.9 3.4 | 246 2 1.9 0.9 15 415 7315 250 6 5.6 2.1 | 281 3 2.6 -0.5 16 400 7590 260 6 5.9 1.0 | 298 3 2.9 -1.5 17 398 7620 260 6 5.9 1.0 | 298 3 2.9 -1.5 18 382 7925 225 4 2.8 2.8 | 146 0 -0.2 0.2 19 367 8230 280 8 7.9 -1.4 | 309 6 4.9 -4.0 20 338 8839 20 8 -2.7 -7.5 | 30 12 -5.7 -10.1 21 324 9144 45 18 -12.7 -12.7 | 46 22 -15.7 -15.3 22 300 9710 55 14 -11.5 -8.0 | 54 18 -14.5 -10.6 23 298 9754 55 16 -13.1 -9.2 | 54 20 -16.1 -11.8 24 251 10973 340 10 3.4 -9.4 | 358 12 0.4 -12.0 25 250 10990 340 10 3.4 -9.4 | 358 12 0.4 -12.0 26 209 12192 350 10 1.7 -9.8 | 6 12 -1.3 -12.4 27 200 12470 10 12 -2.1 -11.8 | 19 15 -5.1 -14.4 28 190 12802 30 21 -10.5 -18.2 | 33 25 -13.5 -20.8 29 156 14021 25 43 -18.2 -39.0 | 27 47 -21.2 -41.6 30 150 14260 25 39 -16.5 -35.3 | 27 43 -19.5 -37.9 31 100 16620 45 18 -12.7 -12.7 | 46 22 -15.7 -15.3 32 97 16764 45 18 -12.7 -12.7 | 46 22 -15.7 -15.3 33 97 16792 65 21 -19.0 -8.9 | 63 25 -22.0 -11.5 34 92 17069 65 21 -19.0 -8.9 | 63 25 -22.0 -11.5 35 88 17374 55 23 -18.8 -13.2 | 54 27 -21.8 -15.8 36 83 17678 135 16 -11.3 11.3 | 121 17 -14.3 8.7 37 79 17983 55 8 -6.6 -4.6 | 53 12 -9.5 -7.2 38 75 18288 85 16 -15.9 -1.4 | 78 19 -18.9 -4.0 39 71 18593 100 16 -15.8 2.8 | 91 19 -18.8 0.2 40 70 18680 100 19 -18.7 3.3 | 92 22 -21.7 0.7 41 64 19202 110 16 -15.0 5.5 | 99 18 -18.0 2.9 42 61 19507 85 19 -18.9 -1.7 | 79 22 -21.9 -4.2 43 58 19812 75 19 -18.4 -4.9 | 71 23 -21.3 -7.5 44 55 20117 80 31 -30.5 -5.4 | 77 34 -33.5 -8.0 45 50 20670 110 31 -29.1 10.6 | 104 33 -32.1 8.0 46 49 20726 100 35 -34.5 6.1 | 95 38 -37.5 3.5 47 43 21336 70 29 -27.3 -9.9 | 68 33 -30.2 -12.5 Wind Parameters Mean winds (0-6000m): 199.2 at 5.3 knts Storm direction: 229.2 at 4.0 knts Shear (0-3000m) pos: 0.7 neg: 1.8 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 156.2 deg Storm rel helicity (0-3000m) pos: 19.3 neg: -3.7 tot: 15.5 m^2/s^2 ave: 5.2 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.60 Bulk Shear: 6.45 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 ------------------------------------------------------------------------------- 500 301 4 358 4| 0.0 4.7 4.7| 5.6 -1.1 4.5 9.0 0.48| 10.6 5.0 1000 261 3 6 2| 0.0 3.0 3.0| 6.0 -1.1 4.9 4.9 0.47| 6.0 2.8 1500 199 3 93 2| 0.0 3.1 3.1| 7.2 -1.1 6.1 4.0 0.43| 5.2 2.2 2000 152 4 97 5| 0.7 2.4 3.1| 13.9 -1.8 12.1 6.1 0.46| 5.4 2.5 2500 150 4 101 5| 0.6 2.2 2.8| 15.6 -3.7 11.9 4.8 0.40| 4.8 1.9 3000 151 5 107 6| 0.7 1.8 2.6| 19.3 -3.7 15.5 5.2 0.44| 4.4 1.9 4000 163 5 116 5| 1.1 1.4 2.5| 24.5 -3.7 20.8 5.2 0.46| 4.6 2.1 5000 183 5 133 4| 1.1 1.1 2.2| 25.4 -3.7 21.7 4.3 0.47| 4.0 1.9 6000 199 5 152 3| 1.2 1.0 2.2| 28.7 -4.2 24.5 4.1 0.42| 4.4 1.8 Wrote GIF file: /home/apache/climate/data/raob//MMMX/skewt/MMMX.skewt.20251006.12.gif