UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for MMMX... Searching the city database file for: MMMX ... Date:0000Z 18 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 1 925 693 2 850 1456 SFC 772 2234 28.6 -8.4 8 37.0 9.6 55 2 324.9 325.4 292.7 333.8 2.62 4 771 2247 27.2 -6.8 10 34.0 9.5 60 2 323.5 324.1 292.7 333.5 2.98 5 700 3163 18.8 -9.2 14 28.0 5.2 110 2 323.3 323.8 292.4 332.4 2.72 6 610 4317 7.4 -11.6 24 19.0 -1.0 27 2 323.2 323.7 292.2 331.8 2.58 7 515 5678 -4.9 -20.9 27 16.0 -10.1 65 2 324.3 324.6 291.5 329.2 1.40 8 500 5910 -6.1 -29.1 14 23.0 -12.2 20 4 325.6 325.7 291.2 328.1 0.69 9 488 6099 -7.7 -29.7 15 22.0 -13.3 240 4 325.9 326.0 291.2 328.3 0.67 10 478 6260 -7.1 -39.1 6 32.0 -13.7 224 7 328.6 328.6 291.6 329.6 0.27 11 409 7453 -16.1 -45.1 6 29.0 -20.5 236 18 331.9 332.0 292.4 332.6 0.17 12 400 7620 -16.9 -44.9 7 28.0 -21.1 240 19 333.0 333.1 292.7 333.7 0.17 13 398 7658 -16.9 -35.9 18 19.0 -20.6 241 20 333.5 333.6 293.1 335.2 0.45 14 355 8508 -22.9 -44.9 12 22.0 -25.8 259 36 336.5 336.6 293.6 337.3 0.20 15 333 8974 -26.7 -35.7 42 9.0 -28.2 267 37 337.5 337.6 294.2 339.6 0.55 16 319 9283 -29.5 -35.5 56 6.0 -30.4 262 35 337.8 337.9 294.3 340.0 0.58 17 300 9720 -32.1 -49.1 17 17.0 -33.7 250 35 340.1 340.2 294.5 340.7 0.15 18 296 9815 -32.9 -52.9 12 20.0 -34.5 250 35 340.3 340.3 294.5 340.7 0.10 19 250 10980 -42.7 -55.7 23 13.0 -43.3 245 39 342.6 342.6 295.0 342.9 0.08 20 200 12440 -55.3 -63.3 36 8.0 -55.5 230 51 345.2 345.2 295.6 345.4 0.04 21 195 12600 -56.5 -64.5 36 8.0 -56.6 232 56 345.8 345.8 295.7 345.9 0.03 22 194 12633 -56.3 -65.3 31 9.0 -56.5 233 57 346.6 346.6 295.9 346.7 0.03 23 193 12665 -55.5 -68.5 18 13.0 -55.7 233 58 348.4 348.4 296.3 348.5 0.02 24 186 12899 -55.9 -73.3 10 17.4 -56.1 235 62 351.5 351.5 297.0 351.5 0.01 25 179 13142 -56.3 -78.3 5 22.0 -56.6 240 58 354.7 354.7 297.6 354.7 0.00 26 150 14240 -63.9 -81.9 7 18.0 -64.0 265 37 360.0 360.0 298.7 360.0 0.00 27 137 14788 -68.1 -83.1 10 15.0 -68.2 277 34 362.0 362.0 299.1 362.1 0.00 28 131 15056 -67.5 -83.5 9 16.0 -67.6 278 32 367.8 367.8 300.2 367.8 0.00 29 100 16630 -79.5 -88.5 21 9.0 -79.5 255 18 374.1 374.1 301.3 374.1 0.00 30 79 17961 -83.1 -89.1 34 6.0 -83.1 145 6 392.8 392.8 304.2 392.8 0.00 31 73 18403 -82.5 -89.5 29 7.0 -82.5 138 8 403.0 403.0 305.6 403.0 0.00 32 70 18640 -80.3 -88.3 25 8.0 -80.3 345 4 412.6 412.6 306.8 412.6 0.00 33 63 19240 -75.5 -87.5 14 12.0 -75.6 148 7 435.8 435.8 309.4 435.8 0.00 34 56 19921 -74.9 -87.9 12 13.0 -75.0 162 17 452.1 452.1 311.1 452.1 0.00 35 54 20134 -70.7 -87.7 6 17.0 -70.8 151 16 466.5 466.5 312.3 466.5 0.00 36 50 20590 -69.7 -86.7 7 17.0 -69.9 160 4 479.2 479.2 313.4 479.3 0.00 37 47 20958 -69.9 -86.9 7 17.0 -70.1 82 4 487.3 487.3 314.0 487.3 0.00 38 36 22589 -58.7 -84.7 2 26.0 -59.6 96 14 554.9 554.9 318.3 555.0 0.01 39 30 23740 -56.5 -82.5 2 26.0 -57.8 340 6 590.6 590.6 320.2 590.7 0.01 40 27 24410 -55.7 -82.7 2 27.0 -57.3 67 4 610.9 610.9 321.1 611.0 0.02 41 22 25730 -50.3 -80.3 2 30.0 -53.4 195 9 663.9 663.9 323.2 664.1 0.03 42 20 26350 -51.7 -79.7 2 28.0 -54.6 355 6 677.9 677.9 323.7 678.2 0.03 43 10 30974 -39.1 -72.1 2 33.0 -49.7 53 25 873.6 873.7 329.0 876.0 0.23 TRP 79 17961 -83.1 -89.1 34 6.0 -83.1 145 6 392.8 392.8 304.2 392.8 0.00 WND 186 12899 -55.9 -73.3 10 17.4 -56.1 235 62 351.5 351.5 297.0 351.5 0.01 Sounding variables and indices 1000-500 mb thick: 5931.00 m Freezing level: 552.85 mb = 5136.02 m = 16850.27 ft Wetbulb zero: 624.28 mb = 4123.10 m = 13527.08 ft Sfc-500 mean rel hum: 20.34 % Est. max temperature: 27.00 C = 80.60 F Sfc-Lift cond lev (LCL): 445.86 mb = 6792.68 m = 22285.43 ft T: -11.12 C 700-500 lapse rate: 9.06 C/km ThetaE index: 5.72 C Layer 771.0- 488.0 mb Conv cond level (CCL): 414.39 mb = 7352.74 m = 24122.88 ft Mean mixing ratio: 2.80 g/kg Conv temperature: 34.87 C = 94.76 F Cap Strength: 4.82 C Lifted Index: 1.81 C Risk: Showers probable Lifted Index @300 mb: 6.43 C Lifted Index @700 mb: -0.08 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.86 J/kg Max Up Vert Vel: 3.42 m/s Conv Inhibition (B-): 51084.33 J/kg Cap Strength: 1.42 C Lift Cond Lev (LCL): 460.55 mb = 6544.60 m = 21471.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 257 at 7 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 ---------------------------------------------------------- 0 772 2234 55 2 -1.6 -1.1 | 72 8 -8.0 -2.6 1 756 2438 135 10 -7.1 7.1 | 113 15 -13.5 5.6 2 732 2743 120 4 -3.5 2.0 | 93 10 -9.9 0.6 3 709 3048 110 2 -1.9 0.7 | 85 8 -8.3 -0.7 4 700 3163 110 2 -1.9 0.7 | 85 8 -8.3 -0.7 5 684 3353 130 6 -4.6 3.9 | 102 11 -11.0 2.4 6 659 3658 155 8 -3.4 7.3 | 121 11 -9.8 5.8 7 635 3962 185 6 0.5 6.0 | 128 7 -5.9 4.6 8 611 4267 30 2 -1.0 -1.7 | 67 8 -7.4 -3.2 9 589 4572 335 4 1.7 -3.6 | 43 7 -4.7 -5.0 10 567 4877 320 2 1.3 -1.5 | 60 6 -5.1 -3.0 11 547 5182 275 2 2.0 -0.2 | 70 5 -4.4 -1.6 12 527 5486 155 2 -0.8 1.8 | 93 7 -7.3 0.4 13 507 5791 5 2 -0.2 -2.0 | 63 7 -6.6 -3.4 14 500 5910 20 4 -1.4 -3.8 | 56 9 -7.8 -5.2 15 488 6096 240 4 3.5 2.0 | 101 3 -2.9 0.6 16 469 6401 210 10 5.0 8.7 | 169 7 -1.4 7.2 17 400 7620 240 19 16.5 9.5 | 231 13 10.0 8.1 18 353 8534 260 37 36.4 6.4 | 261 30 30.0 5.0 19 325 9144 270 37 37.0 -0.0 | 273 31 30.6 -1.4 20 311 9449 250 33 31.0 11.3 | 248 27 24.6 9.9 21 300 9720 250 35 32.9 12.0 | 248 29 26.5 10.5 22 250 10980 245 39 35.3 16.5 | 243 33 28.9 15.1 23 200 12440 230 51 39.1 32.8 | 226 45 32.7 31.4 24 189 12802 235 62 50.8 35.6 | 232 56 44.4 34.1 25 186 12899 235 62 50.8 35.6 | 232 56 44.4 34.1 26 150 14240 265 37 36.9 3.2 | 267 31 30.5 1.8 27 133 14935 280 33 32.5 -5.7 | 285 27 26.1 -7.2 28 114 15850 260 23 22.7 4.0 | 261 16 16.2 2.6 29 108 16154 280 19 18.7 -3.3 | 291 13 12.3 -4.7 30 100 16630 255 18 17.4 4.7 | 254 11 11.0 3.2 31 98 16764 255 18 17.4 4.7 | 254 11 11.0 3.2 32 88 17374 215 16 9.2 13.1 | 193 12 2.8 11.7 33 83 17678 360 2 -0.0 -2.0 | 62 7 -6.4 -3.4 34 79 17961 145 6 -3.4 4.9 | 110 10 -9.9 3.5 35 79 17983 145 6 -3.4 4.9 | 110 10 -9.9 3.5 36 75 18288 85 12 -12.0 -1.0 | 82 19 -18.4 -2.5 37 71 18593 225 2 1.4 1.4 | 90 5 -5.0 -0.0 38 70 18640 345 4 1.0 -3.9 | 45 8 -5.4 -5.3 39 67 18898 45 6 -4.2 -4.2 | 62 12 -10.7 -5.7 40 64 19202 150 6 -3.0 5.2 | 112 10 -9.4 3.8 41 60 19507 140 10 -6.4 7.7 | 116 14 -12.8 6.2 42 57 19812 170 18 -3.1 17.7 | 150 19 -9.5 16.3 43 54 20117 150 16 -8.0 13.9 | 131 19 -14.4 12.4 44 51 20422 160 16 -5.5 15.0 | 139 18 -11.9 13.6 45 50 20590 160 4 -1.4 3.8 | 107 8 -7.8 2.3 46 49 20726 130 4 -3.1 2.6 | 97 10 -9.5 1.1 47 47 21031 70 4 -3.8 -1.4 | 75 11 -10.2 -2.8 48 42 21641 140 8 -5.1 6.1 | 112 12 -11.6 4.7 49 40 21946 60 6 -5.2 -3.0 | 69 12 -11.6 -4.4 50 38 22250 100 18 -17.7 3.1 | 94 24 -24.1 1.7 51 36 22555 75 14 -13.5 -3.6 | 76 21 -19.9 -5.0 52 35 22860 180 14 0.0 14.0 | 153 14 -6.4 12.6 53 33 23165 135 12 -8.5 8.5 | 115 16 -14.9 7.1 54 31 23470 50 10 -7.7 -6.4 | 61 16 -14.1 -7.9 55 30 23740 340 6 2.1 -5.6 | 32 8 -4.4 -7.1 56 30 23774 185 8 0.7 8.0 | 139 9 -5.7 6.5 57 28 24079 15 4 -1.0 -3.9 | 55 9 -7.4 -5.3 58 27 24384 55 4 -3.3 -2.3 | 69 10 -9.7 -3.7 59 26 24689 160 4 -1.4 3.8 | 107 8 -7.8 2.3 60 25 24994 175 6 -0.5 6.0 | 123 8 -6.9 4.6 61 24 25298 140 6 -3.9 4.6 | 107 11 -10.3 3.2 62 22 25603 160 8 -2.7 7.5 | 124 11 -9.1 6.1 63 21 25908 240 10 8.7 5.0 | 212 4 2.3 3.6 64 20 26213 290 12 11.3 -4.1 | 319 7 4.9 -5.5 65 20 26350 355 6 0.5 -6.0 | 38 9 -5.9 -7.4 66 19 26518 310 8 6.1 -5.1 | 2 7 -0.3 -6.6 67 18 26822 170 4 -0.7 3.9 | 110 8 -7.1 2.5 68 14 27737 340 10 3.4 -9.4 | 15 11 -3.0 -10.8 69 9 29261 70 29 -27.3 -9.9 | 71 36 -33.7 -11.3 70 9 29566 75 31 -29.9 -8.0 | 75 38 -36.4 -9.4 71 7 30175 120 31 -26.8 15.5 | 113 36 -33.3 14.1 Wind Parameters Mean winds (0-6000m): 227.5 at 8.8 knts Storm direction: 257.5 at 6.6 knts Shear (0-3000m) pos: 1.5 neg: 1.5 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 6.6 deg Storm rel helicity (0-3000m) pos: 53.6 neg: -45.2 tot: 8.3 m^2/s^2 ave: 2.8 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.32 Bulk Shear: 18.38 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 ------------------------------------------------------------------------------- 500 129 7 103 12| 3.9 0.0 3.9| 27.1 -12.0 15.1 30.3 0.28| 17.4 4.9 1000 125 5 97 10| 2.0 0.4 2.3| 29.4 -15.5 13.9 13.9 0.21| 10.7 2.2 1500 133 5 102 11| 3.0 0.2 3.3| 47.3 -15.5 31.8 21.2 0.37| 9.6 3.6 2000 141 5 106 10| 2.3 2.4 4.7| 49.0 -38.4 10.6 5.3 0.04| 10.6 0.4 2500 138 5 103 10| 1.8 2.3 4.1| 50.0 -45.2 4.8 1.9 -0.02| 9.5 -0.2 3000 140 4 102 9| 1.5 1.5 3.0| 53.6 -45.2 8.3 2.8 0.03| 8.4 0.3 4000 146 4 102 9| 1.0 1.4 2.4| 59.6 -59.5 0.1 0.0 0.03| 9.1 0.3 5000 198 6 131 6| 0.7 1.5 2.2| 77.3 -59.5 17.9 3.6 0.13| 8.4 1.1 6000 227 9 181 4| 1.6 1.2 2.8|121.6 -59.5 62.1 10.4 0.21| 8.5 1.8 Wrote GIF file: /home/apache/climate/data/raob//MMMX/skewt/MMMX.skewt.20250418.00.gif