UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for MMMX... Searching the city database file for: MMMX ... Date:1200Z 9 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 144 1 925 823 2 850 1548 SFC 776 2234 12.0 8.1 77 3.9 9.6 0 0 306.6 308.2 292.6 333.1 8.77 4 747 2583 8.6 7.8 95 0.8 8.1 293 3 306.3 307.9 292.6 333.2 8.93 5 700 3171 6.8 6.2 96 0.6 6.5 355 8 310.0 311.6 293.4 336.2 8.53 6 680 3409 6.0 5.4 96 0.6 5.6 317 6 311.7 313.3 293.7 337.4 8.30 7 500 5870 -7.1 -10.4 77 3.3 -8.5 280 18 324.4 325.1 293.3 336.0 3.47 8 487 6074 -8.9 -11.3 83 2.4 -9.9 289 19 324.6 325.3 293.2 335.7 3.31 9 446 6749 -11.7 -16.7 66 5.0 -13.5 255 21 329.4 329.8 293.7 337.4 2.32 10 401 7551 -17.7 -22.7 65 5.0 -19.1 245 23 331.7 332.1 293.6 337.2 1.54 11 400 7570 -17.7 -22.7 65 5.0 -19.1 245 23 332.0 332.3 293.7 337.5 1.54 12 382 7912 -20.3 -30.3 40 10.0 -22.5 243 24 333.0 333.1 293.3 335.9 0.81 13 370 8147 -22.3 -30.3 48 8.0 -24.0 241 24 333.4 333.5 293.4 336.4 0.83 14 355 8449 -24.3 -41.3 19 17.0 -26.7 239 25 334.6 334.7 293.3 335.8 0.29 15 340 8761 -26.9 -42.9 21 16.0 -28.9 237 25 335.3 335.3 293.4 336.3 0.25 16 332 8932 -28.1 -36.1 46 8.0 -29.3 235 26 335.9 336.0 293.8 337.9 0.53 17 318 9239 -30.1 -48.1 16 18.0 -31.9 233 26 337.3 337.3 293.8 337.9 0.15 18 309 9442 -31.9 -49.9 15 18.0 -33.5 232 27 337.6 337.6 293.9 338.1 0.13 19 300 9650 -33.9 -44.9 32 11.0 -35.0 230 27 337.6 337.6 294.0 338.5 0.23 20 299 9673 -34.1 -43.1 40 9.0 -35.0 230 27 337.6 337.7 294.0 338.7 0.28 21 298 9697 -34.3 -42.3 44 8.0 -35.1 230 27 337.7 337.7 294.0 338.9 0.31 22 296 9744 -34.3 -45.3 32 11.0 -35.4 230 27 338.3 338.4 294.1 339.2 0.23 23 295 9767 -34.3 -50.3 18 16.0 -35.6 230 28 338.7 338.7 294.1 339.2 0.13 24 250 10900 -44.1 -55.1 28 11.0 -44.6 225 33 340.5 340.5 294.5 340.9 0.09 25 248 10954 -44.5 -55.5 28 11.0 -45.0 225 33 340.7 340.7 294.6 341.0 0.08 26 208 12108 -53.7 -66.7 19 13.0 -53.9 229 32 343.9 343.9 295.3 344.0 0.02 27 200 12360 -54.3 -71.3 11 17.0 -54.6 230 33 346.8 346.8 295.9 346.8 0.01 28 167 13499 -59.9 -80.9 5 21.0 -60.1 228 44 355.8 355.8 297.8 355.8 0.00 29 150 14160 -65.1 -81.1 9 16.0 -65.2 250 39 357.9 357.9 298.3 358.0 0.00 30 137 14708 -69.5 -82.5 13 13.0 -69.5 248 44 359.6 359.6 298.6 359.6 0.00 31 100 16560 -76.3 -89.3 11 13.0 -76.3 270 35 380.3 380.3 302.3 380.3 0.00 32 77 18042 -81.9 -91.9 17 10.0 -81.9 245 33 398.2 398.2 304.9 398.2 0.00 33 70 18580 -78.1 -89.1 15 11.0 -78.1 225 6 417.3 417.3 307.4 417.3 0.00 34 69 18662 -77.5 -89.5 13 12.0 -77.6 263 11 420.3 420.3 307.7 420.3 0.00 35 56 19856 -77.7 -88.7 15 11.0 -77.7 234 8 445.7 445.7 310.4 445.7 0.00 36 51 20402 -69.7 -87.7 6 18.0 -69.9 281 8 476.5 476.5 313.2 476.6 0.00 37 50 20520 -68.5 -86.5 6 18.0 -68.7 255 4 482.1 482.1 313.6 482.1 0.00 38 44 21294 -65.3 -88.3 3 23.0 -65.6 203 8 507.8 507.8 315.5 507.9 0.00 39 35 22695 -63.7 -90.7 1 27.0 -64.2 251 6 546.4 546.4 317.9 546.4 0.00 40 31 23452 -57.5 -90.5 1 33.0 -58.7 250 8 582.4 582.4 319.8 582.4 0.00 41 30 23660 -56.3 -90.3 1 34.0 -57.7 210 10 591.2 591.2 320.2 591.2 0.00 42 23 25341 -57.9 -90.9 1 33.0 -59.4 275 18 633.1 633.1 322.0 633.2 0.00 43 21 25918 -54.9 -89.9 1 35.0 -57.1 281 16 658.9 658.9 323.0 658.9 0.01 44 20 26230 -54.9 -89.9 1 35.0 -57.2 280 16 668.1 668.1 323.3 668.2 0.01 45 18 26909 -51.5 -87.5 1 36.0 -54.8 283 15 699.3 699.3 324.4 699.4 0.01 46 15 28094 -51.1 -90.1 0 39.0 -55.0 313 9 738.1 738.1 325.6 738.1 0.01 TRP 77 18042 -81.9 -91.9 17 10.0 -81.9 245 33 398.2 398.2 304.9 398.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5726.00 m Freezing level: 597.56 mb = 4536.18 m = 14882.29 ft Wetbulb zero: 608.20 mb = 4302.18 m = 14114.59 ft Sfc-500 mean rel hum: 88.43 % Est. max temperature: 19.94 C = 67.89 F Sfc-Lift cond lev (LCL): 731.61 mb = 2771.45 m = 9092.56 ft T: 8.02 C 700-500 lapse rate: 5.15 C/km Conv cond level (CCL): 680.62 mb = 3401.46 m = 11159.51 ft Mean mixing ratio: 8.67 g/kg Conv temperature: 16.70 C = 62.06 F Cap Strength: 1.23 C Lifted Index: 1.90 C Risk: Showers probable Lifted Index @300 mb: 3.35 C Lifted Index @700 mb: 0.80 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.41 J/kg Max Up Vert Vel: 8.05 m/s Conv Inhibition (B-): 30131.72 J/kg Cap Strength: 1.89 C Lift Cond Lev (LCL): 711.88 mb = 3018.76 m = 9903.96 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 299 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 ---------------------------------------------------------- 0 776 2234 0 0 -0.0 -0.0 | 119 10 -8.5 4.6 1 759 2438 265 2 2.0 0.2 | 126 8 -6.5 4.8 2 734 2743 325 4 2.3 -3.3 | 102 6 -6.2 1.4 3 710 3048 355 8 0.7 -8.0 | 67 8 -7.8 -3.3 4 700 3171 355 8 0.7 -8.0 | 67 8 -7.8 -3.3 5 684 3353 315 6 4.2 -4.2 | 95 4 -4.2 0.4 6 611 4267 345 4 1.0 -3.9 | 96 7 -7.5 0.8 7 588 4572 310 4 3.1 -2.6 | 111 6 -5.4 2.1 8 566 4877 260 4 3.9 0.7 | 139 7 -4.6 5.3 9 545 5182 270 12 12.0 -0.0 | 217 6 3.5 4.6 10 524 5486 280 14 13.8 -2.4 | 247 6 5.3 2.2 11 505 5791 270 18 18.0 -0.0 | 244 11 9.5 4.6 12 500 5870 280 18 17.7 -3.1 | 261 9 9.2 1.5 13 485 6096 290 19 17.9 -6.5 | 281 10 9.4 -1.9 14 466 6401 285 19 18.4 -4.9 | 272 10 9.9 -0.3 15 448 6706 255 21 20.3 5.4 | 230 16 11.8 10.1 16 400 7570 245 23 20.8 9.7 | 221 19 12.4 14.4 17 300 9650 230 27 20.7 17.4 | 209 25 12.2 22.0 18 250 10900 225 33 23.3 23.3 | 208 32 14.8 28.0 19 225 11582 220 39 25.1 29.9 | 206 38 16.6 34.5 20 205 12192 230 31 23.7 19.9 | 212 29 15.3 24.6 21 200 12360 230 33 25.3 21.2 | 213 31 16.8 25.8 22 169 13411 225 45 31.8 31.8 | 213 43 23.3 36.4 23 153 14021 245 39 35.3 16.5 | 232 34 26.9 21.1 24 150 14160 250 39 36.6 13.3 | 237 33 28.2 18.0 25 125 15240 245 49 44.4 20.7 | 235 44 35.9 25.3 26 113 15850 240 45 39.0 22.5 | 228 41 30.5 27.1 27 100 16560 270 35 35.0 -0.0 | 260 27 26.5 4.6 28 96 16764 270 35 35.0 -0.0 | 260 27 26.5 4.6 29 87 17374 285 25 24.1 -6.5 | 277 16 15.7 -1.8 30 78 17983 245 27 24.5 11.4 | 225 23 16.0 16.0 31 77 18042 245 33 29.9 13.9 | 229 28 21.4 18.6 32 74 18288 245 33 29.9 13.9 | 229 28 21.4 18.6 33 70 18580 225 6 4.2 4.2 | 154 10 -4.2 8.9 34 70 18593 275 12 12.0 -1.0 | 224 5 3.5 3.6 35 66 18898 225 8 5.7 5.7 | 165 11 -2.8 10.3 36 63 19202 240 4 3.5 2.0 | 143 8 -5.0 6.6 37 60 19507 210 4 2.0 3.5 | 141 10 -6.5 8.1 38 57 19812 220 8 5.1 6.1 | 163 11 -3.4 10.8 39 54 20117 300 6 5.2 -3.0 | 116 4 -3.3 1.6 40 51 20422 280 8 7.9 -1.4 | 169 3 -0.6 3.2 41 50 20520 255 4 3.9 1.0 | 141 7 -4.6 5.7 42 48 20726 260 4 3.9 0.7 | 139 7 -4.6 5.3 43 46 21031 235 4 3.3 2.3 | 143 9 -5.2 6.9 44 44 21336 200 8 2.7 7.5 | 155 13 -5.8 12.1 45 42 21641 290 12 11.3 -4.1 | 259 3 2.8 0.5 46 40 21946 330 2 1.0 -1.7 | 111 8 -7.5 2.9 47 38 22250 155 2 -0.8 1.8 | 125 11 -9.3 6.4 48 36 22555 210 8 4.0 6.9 | 159 12 -4.5 11.6 49 34 22860 290 4 3.8 -1.4 | 125 6 -4.7 3.3 50 33 23165 240 8 6.9 4.0 | 170 9 -1.6 8.6 51 31 23470 250 8 7.5 2.7 | 172 7 -1.0 7.4 52 30 23660 210 10 5.0 8.7 | 165 14 -3.5 13.3 53 29 23774 220 10 6.4 7.7 | 170 12 -2.1 12.3 54 28 24079 200 16 5.5 15.0 | 171 20 -3.0 19.7 55 27 24384 255 12 11.6 3.1 | 202 8 3.1 7.7 56 26 24689 245 12 10.9 5.1 | 194 10 2.4 9.7 57 23 25298 270 18 18.0 -0.0 | 244 11 9.5 4.6 58 22 25603 300 19 16.5 -9.5 | 301 9 8.0 -4.9 59 21 25908 280 16 15.8 -2.8 | 256 7 7.3 1.9 60 20 26213 315 19 13.4 -13.4 | 331 10 4.9 -8.8 61 20 26230 280 16 15.8 -2.8 | 256 7 7.3 1.9 62 18 26518 280 16 15.8 -2.8 | 256 7 7.3 1.9 63 13 27737 340 4 1.4 -3.8 | 97 7 -7.1 0.9 64 12 28042 255 6 5.8 1.6 | 156 7 -2.7 6.2 65 11 28346 260 6 5.9 1.0 | 156 6 -2.6 5.7 Wind Parameters Mean winds (0-6000m): 268.6 at 12.9 knts Storm direction: 298.6 at 9.7 knts Shear (0-3000m) pos: 0.6 neg: 2.5 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 103.5 deg Storm rel helicity (0-3000m) pos: 26.8 neg: -12.9 tot: 13.9 m^2/s^2 ave: 4.6 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.01 Bulk Shear: 16.10 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 ------------------------------------------------------------------------------- 500 297 2 119 8| 0.0 4.1 4.1| 2.9 -5.1 -2.2 -4.5 -0.26| 6.2 -1.6 1000 338 4 94 7| 1.9 2.0 4.0| 3.6 -12.8 -9.2 -9.2 -0.42| 6.8 -2.8 1500 331 5 93 6| 1.3 1.0 2.3| 6.6 -12.9 -6.3 -4.2 -0.19| 6.0 -1.1 2000 332 5 93 6| 1.0 0.7 1.7| 7.2 -12.9 -5.7 -2.8 -0.16| 5.0 -0.8 2500 329 5 96 6| 0.8 1.2 2.0| 12.9 -12.9 -0.0 -0.0 0.02| 4.8 0.1 3000 315 5 102 5| 0.6 2.5 3.1| 26.8 -12.9 13.9 4.6 0.30| 5.7 1.7 4000 295 8 137 2| 1.2 1.8 3.1| 45.4 -15.0 30.4 7.6 0.38| 5.9 2.2 5000 281 11 218 3| 1.0 2.4 3.4| 45.4 -53.8 -8.4 -1.7 0.10| 6.2 0.6 6000 269 13 222 7| 0.8 2.3 3.1| 45.4 -65.8 -20.4 -3.4 0.05| 5.5 0.3 Wrote GIF file: /home/apache/climate/data/raob//MMMX/skewt/MMMX.skewt.20251209.12.gif