UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for MMMX... Searching the city database file for: MMMX ... Date:1200Z 8 DEC 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 135 1 925 818 2 850 1548 SFC 777 2234 13.8 9.5 75 4.3 11.1 320 6 308.4 310.2 293.7 337.7 9.64 4 712 3031 7.4 6.7 95 0.7 7.0 47 11 309.2 310.8 293.2 335.7 8.68 5 700 3184 6.6 6.1 97 0.5 6.3 45 12 309.8 311.4 293.3 335.8 8.47 6 621 4156 2.4 1.5 94 0.9 1.9 60 4 315.8 317.1 293.7 337.5 6.89 7 501 5854 -7.9 -10.7 80 2.8 -9.1 268 18 323.2 323.9 292.9 334.5 3.38 8 500 5870 -7.9 -10.7 80 2.8 -9.1 270 18 323.4 324.1 293.0 334.7 3.38 9 482 6156 -9.1 -17.1 52 8.0 -11.9 275 19 325.3 325.7 292.4 332.4 2.08 10 459 6536 -9.3 -18.3 48 9.0 -12.5 282 21 329.7 330.1 293.4 336.5 1.97 11 428 7076 -12.7 -27.7 27 15.0 -16.6 288 23 332.0 332.2 293.2 335.3 0.92 12 400 7590 -16.9 -25.9 46 9.0 -19.3 270 25 333.0 333.3 293.6 337.2 1.16 13 396 7665 -17.5 -25.5 50 8.0 -19.6 266 25 333.2 333.4 293.7 337.6 1.21 14 381 7952 -19.9 -25.9 59 6.0 -21.4 274 23 333.7 334.0 293.9 338.1 1.22 15 374 8089 -19.9 -30.9 37 11.0 -22.3 278 21 335.5 335.7 293.9 338.4 0.78 16 339 8808 -25.7 -33.7 47 8.0 -27.2 267 18 337.2 337.3 294.2 339.6 0.65 17 332 8959 -26.9 -32.9 57 6.0 -28.0 253 19 337.5 337.7 294.4 340.3 0.72 18 326 9090 -27.7 -38.7 34 11.0 -29.3 241 19 338.2 338.3 294.3 339.8 0.41 19 300 9680 -32.7 -43.7 33 11.0 -33.9 225 23 339.3 339.3 294.4 340.3 0.27 20 283 10089 -36.3 -45.3 39 9.0 -37.1 213 23 339.8 339.9 294.5 340.8 0.24 21 272 10364 -37.7 -50.7 24 13.0 -38.7 205 23 341.7 341.7 294.8 342.2 0.13 22 250 10940 -42.9 -52.9 33 10.0 -43.5 215 23 342.3 342.3 295.0 342.8 0.11 23 245 11075 -44.1 -53.1 36 9.0 -44.6 221 24 342.5 342.5 295.0 342.9 0.11 24 235 11352 -45.9 -57.9 25 12.0 -46.4 229 26 343.9 343.9 295.3 344.1 0.07 25 200 12400 -54.7 -63.7 32 9.0 -54.9 230 39 346.1 346.2 295.8 346.3 0.04 26 174 13277 -60.9 -70.9 26 10.0 -61.0 238 39 350.0 350.0 296.7 350.1 0.02 27 156 13945 -67.3 -73.3 42 6.0 -67.4 244 39 350.2 350.2 296.7 350.3 0.01 28 150 14180 -68.9 -74.9 42 6.0 -68.9 250 35 351.4 351.4 297.0 351.4 0.01 29 142 14506 -69.3 -79.3 22 10.0 -69.4 261 28 356.3 356.3 298.0 356.3 0.01 30 100 16560 -75.7 -88.7 11 13.0 -75.7 255 39 381.5 381.5 302.5 381.5 0.00 31 94 16920 -75.1 -89.1 10 14.0 -75.2 257 33 389.5 389.5 303.7 389.5 0.00 32 80 17843 -81.5 -93.5 11 12.0 -81.5 285 18 394.7 394.7 304.5 394.7 0.00 33 70 18600 -79.1 -90.1 15 11.0 -79.1 205 10 415.2 415.2 307.2 415.2 0.00 34 62 19288 -78.1 -89.1 15 11.0 -78.1 149 5 432.0 432.0 309.0 432.0 0.00 35 59 19574 -73.9 -86.9 12 13.0 -74.0 85 2 447.6 447.6 310.6 447.7 0.00 36 54 20088 -74.1 -88.1 10 14.0 -74.2 144 2 458.7 458.7 311.7 458.7 0.00 37 50 20540 -69.9 -87.9 6 18.0 -70.1 265 6 478.8 478.8 313.4 478.8 0.00 38 48 20784 -68.7 -87.7 5 19.0 -68.9 222 8 487.3 487.3 314.0 487.3 0.00 39 42 21593 -65.1 -89.1 2 24.0 -65.4 352 6 515.1 515.1 316.0 515.1 0.00 40 39 22044 -66.3 -90.3 2 24.0 -66.6 100 3 523.1 523.1 316.5 523.1 0.00 41 33 23074 -59.3 -89.3 1 30.0 -60.2 62 6 567.3 567.3 319.0 567.3 0.00 42 30 23670 -60.9 -89.9 1 29.0 -61.7 110 8 578.6 578.6 319.6 578.6 0.00 43 26 24571 -55.7 -86.7 1 31.0 -57.3 36 4 617.6 617.6 321.4 617.6 0.01 44 22 25638 -54.5 -91.5 0 37.0 -56.6 253 4 651.4 651.4 322.7 651.4 0.00 TRP 80 17843 -81.5 -93.5 11 12.0 -81.5 285 18 394.7 394.7 304.5 394.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5735.00 m Freezing level: 593.04 mb = 4551.97 m = 14934.10 ft Wetbulb zero: 600.25 mb = 4425.06 m = 14517.75 ft Sfc-500 mean rel hum: 89.20 % Est. max temperature: 20.19 C = 68.34 F Sfc-Lift cond lev (LCL): 728.37 mb = 2823.93 m = 9264.75 ft T: 9.06 C 700-500 lapse rate: 5.40 C/km ThetaE index: 2.02 C Layer 712.0- 700.0 mb Conv cond level (CCL): 703.19 mb = 3143.20 m = 10312.22 ft Mean mixing ratio: 8.87 g/kg Conv temperature: 14.92 C = 58.86 F Cap Strength: 0.92 C Lifted Index: 0.40 C Risk: Showers probable Lifted Index @300 mb: 3.55 C Lifted Index @700 mb: 0.08 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.49 J/kg Max Up Vert Vel: 5.19 m/s Conv Inhibition (B-): 25150.54 J/kg Cap Strength: 0.85 C Lift Cond Lev (LCL): 706.15 mb = 3105.48 m = 10188.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 318 at 10 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 ---------------------------------------------------------- 0 777 2234 320 6 3.9 -4.6 | 135 5 -3.2 3.2 1 760 2438 335 8 3.4 -7.3 | 98 4 -3.7 0.5 2 735 2743 50 10 -7.7 -6.4 | 95 15 -14.7 1.3 3 700 3184 45 12 -8.5 -8.5 | 87 16 -15.5 -0.7 4 660 3658 75 6 -5.8 -1.6 | 116 14 -12.8 6.2 5 635 3962 60 4 -3.5 -2.0 | 119 12 -10.5 5.8 6 611 4267 60 4 -3.5 -2.0 | 119 12 -10.5 5.8 7 588 4572 345 2 0.5 -1.9 | 132 9 -6.5 5.8 8 566 4877 300 6 5.2 -3.0 | 159 5 -1.9 4.8 9 505 5791 260 18 17.7 3.1 | 224 15 10.7 10.9 10 500 5870 270 18 18.0 -0.0 | 235 13 11.0 7.8 11 431 7010 290 23 21.6 -7.9 | 270 15 14.6 -0.1 12 400 7590 270 25 25.0 -0.0 | 247 20 18.0 7.8 13 398 7620 265 25 24.9 2.2 | 241 20 17.9 9.9 14 351 8534 290 18 16.9 -6.2 | 261 10 9.9 1.6 15 323 9144 235 19 15.6 10.9 | 205 21 8.5 18.7 16 300 9680 225 23 16.3 16.3 | 201 26 9.2 24.0 17 272 10363 205 23 9.7 20.8 | 185 29 2.7 28.6 18 250 10940 215 23 13.2 18.8 | 193 27 6.1 26.6 19 237 11278 230 25 19.2 16.1 | 207 27 12.1 23.8 20 216 11887 225 31 21.9 21.9 | 207 33 14.9 29.7 21 200 12400 230 39 29.9 25.1 | 215 40 22.8 32.8 22 154 14021 245 39 35.3 16.5 | 229 37 28.3 24.3 23 150 14180 250 35 32.9 12.0 | 233 33 25.8 19.7 24 139 14630 265 25 24.9 2.2 | 241 20 17.9 9.9 25 132 14935 235 19 15.6 10.9 | 205 21 8.5 18.7 26 113 15850 230 35 26.8 22.5 | 213 36 19.8 30.3 27 102 16459 245 45 40.8 19.0 | 232 43 33.7 26.8 28 100 16560 255 39 37.7 10.1 | 240 35 30.6 17.9 29 97 16764 255 39 37.7 10.1 | 240 35 30.6 17.9 30 92 17069 260 27 26.6 4.7 | 237 23 19.5 12.5 31 80 17843 285 18 17.4 -4.7 | 253 11 10.3 3.1 32 74 18288 210 10 5.0 8.7 | 173 17 -2.0 16.4 33 70 18593 230 18 13.8 11.6 | 199 20 6.7 19.3 34 70 18600 205 10 4.2 9.1 | 170 17 -2.8 16.8 35 66 18898 205 12 5.1 10.9 | 174 19 -2.0 18.6 36 60 19507 120 2 -1.7 1.0 | 135 12 -8.8 8.8 37 57 19812 345 2 0.5 -1.9 | 132 9 -6.5 5.8 38 54 20117 155 2 -0.8 1.8 | 141 12 -7.9 9.6 39 51 20422 235 12 9.8 6.9 | 191 15 2.8 14.7 40 50 20540 265 6 6.0 0.5 | 173 8 -1.1 8.3 41 49 20726 225 8 5.7 5.7 | 174 13 -1.4 13.4 42 46 21031 210 8 4.0 6.9 | 168 15 -3.0 14.7 43 44 21336 245 8 7.3 3.4 | 181 11 0.2 11.2 44 42 21641 5 6 -0.5 -6.0 | 103 8 -7.6 1.8 45 40 21946 50 4 -3.1 -2.6 | 117 11 -10.1 5.2 46 38 22250 180 2 0.0 2.0 | 144 12 -7.0 9.8 47 36 22555 265 4 4.0 0.3 | 159 9 -3.1 8.1 48 34 22860 10 6 -1.0 -5.9 | 103 8 -8.1 1.9 49 33 23165 80 6 -5.9 -1.0 | 117 15 -13.0 6.7 50 31 23470 150 12 -6.0 10.4 | 144 22 -13.0 18.2 51 30 23670 110 8 -7.5 2.7 | 126 18 -14.6 10.5 52 27 24079 110 6 -5.6 2.1 | 128 16 -12.7 9.8 53 25 24384 305 2 1.6 -1.1 | 141 9 -5.4 6.6 54 23 24689 220 2 1.3 1.5 | 148 11 -5.8 9.3 55 21 24994 280 6 5.9 -1.0 | 170 7 -1.1 6.7 56 20 25298 255 8 7.7 2.1 | 184 10 0.7 9.8 57 18 25603 245 8 7.3 3.4 | 181 11 0.2 11.2 58 17 25908 275 19 18.9 -1.7 | 243 13 11.9 6.1 Wind Parameters Mean winds (0-6000m): 287.8 at 14.0 knts Storm direction: 317.8 at 10.5 knts Shear (0-3000m) pos: 1.6 neg: 2.7 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 78.0 deg Storm rel helicity (0-3000m) pos: 53.6 neg: -10.8 tot: 42.7 m^2/s^2 ave: 14.2 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.56 Bulk Shear: 24.15 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 ------------------------------------------------------------------------------- 500 357 8 87 7| 11.7 0.0 11.7| 7.0 -4.4 2.7 5.4 -0.11| 14.6 -1.7 1000 29 10 87 12| 6.5 0.0 6.5| 9.7 -10.8 -1.0 -1.0 -0.15| 8.7 -1.3 1500 40 9 93 13| 3.3 0.0 3.3| 36.2 -10.8 25.5 17.0 0.17| 8.3 1.4 2000 44 8 99 13| 2.4 0.5 2.9| 38.2 -10.8 27.4 13.7 0.18| 6.7 1.2 2500 41 7 103 12| 2.0 1.6 3.6| 44.2 -10.8 33.4 13.4 0.22| 6.7 1.5 3000 26 7 99 10| 1.6 2.7 4.3| 53.6 -10.8 42.7 14.2 0.35| 6.9 2.4 4000 317 9 144 1| 0.9 2.9 3.8| 75.3 -11.4 63.9 16.0 0.38| 6.9 2.7 5000 297 12 238 4| 0.7 2.6 3.3| 96.6 -21.2 75.4 15.1 0.38| 6.5 2.5 6000 288 14 241 7| 1.2 2.4 3.5|113.8 -51.6 62.2 10.4 0.28| 6.7 1.9 Wrote GIF file: /home/apache/climate/data/raob//MMMX/skewt/MMMX.skewt.20251208.12.gif