UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for MMMX... Searching the city database file for: MMMX ... Date:1200Z 6 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 117 1 925 798 2 850 1526 SFC 775 2234 13.0 8.0 72 5.0 9.9 300 2 307.8 309.4 292.9 334.3 8.72 4 764 2366 13.4 5.4 58 8.0 8.7 300 2 309.5 310.9 292.3 332.2 7.38 5 700 3163 9.2 3.2 66 6.0 5.8 250 6 312.7 314.0 292.9 334.2 6.90 6 691 3270 8.8 1.8 61 7.0 4.9 280 4 313.4 314.6 292.6 333.2 6.32 7 631 4014 3.0 0.8 85 2.2 1.8 251 2 315.0 316.3 293.2 335.3 6.44 8 556 5031 -1.3 -14.3 36 13.0 -6.4 199 5 321.5 322.0 291.5 329.2 2.27 9 508 5746 -5.5 -16.5 42 11.0 -9.5 289 11 324.9 325.3 292.2 331.9 2.07 10 500 5870 -6.1 -17.1 41 11.0 -10.1 285 14 325.6 326.0 292.4 332.5 2.00 11 467 6401 -8.7 -31.7 14 23.0 -14.3 265 16 328.8 328.9 292.0 330.9 0.58 12 430 7034 -12.9 -37.9 10 25.0 -17.8 241 16 331.3 331.4 292.4 332.6 0.34 13 420 7212 -14.3 -28.3 29 14.0 -17.8 246 17 331.7 331.9 293.0 335.0 0.88 14 400 7580 -16.7 -32.7 24 16.0 -20.1 250 16 333.3 333.4 293.2 335.6 0.61 15 396 7655 -16.9 -38.9 13 22.0 -20.8 246 16 334.0 334.0 293.1 335.3 0.33 16 355 8463 -22.9 -44.9 12 22.0 -25.8 222 17 336.5 336.6 293.6 337.3 0.20 17 340 8777 -25.7 -37.7 32 12.0 -27.6 216 23 336.9 337.0 294.0 338.6 0.44 18 320 9212 -28.9 -47.9 14 19.0 -30.9 219 33 338.3 338.4 294.1 339.0 0.16 19 308 9484 -30.3 -49.3 14 19.0 -32.1 221 39 340.1 340.1 294.5 340.7 0.14 20 300 9670 -31.9 -43.9 29 12.0 -33.2 225 39 340.4 340.5 294.7 341.4 0.26 21 291 9884 -33.9 -41.9 44 8.0 -34.8 230 37 340.5 340.6 294.8 341.9 0.33 22 281 10128 -35.9 -41.9 54 6.0 -36.5 235 35 341.1 341.2 294.9 342.4 0.34 23 275 10278 -36.7 -46.7 35 10.0 -37.6 236 36 342.1 342.1 295.0 342.9 0.21 24 250 10930 -41.9 -47.9 52 6.0 -42.3 240 39 343.8 343.8 295.4 344.6 0.20 25 227 11576 -47.7 -53.7 50 6.0 -48.0 238 41 344.5 344.6 295.5 345.0 0.11 26 200 12400 -54.7 -61.7 42 7.0 -54.9 235 43 346.1 346.2 295.8 346.3 0.05 27 199 12432 -55.1 -63.1 36 8.0 -55.3 235 43 346.0 346.0 295.8 346.2 0.04 28 179 13105 -61.1 -64.7 62 3.6 -61.2 245 43 346.8 346.8 296.0 347.0 0.04 29 173 13317 -63.1 -66.4 64 3.3 -63.1 240 43 346.9 346.9 296.0 347.1 0.03 30 165 13609 -64.9 -71.9 37 7.0 -65.0 234 43 348.6 348.6 296.4 348.7 0.01 31 150 14190 -68.3 -78.3 22 10.0 -68.4 220 43 352.4 352.4 297.1 352.5 0.01 32 142 14517 -70.1 -81.1 18 11.0 -70.1 216 47 354.9 354.9 297.7 354.9 0.00 33 116 15699 -76.3 -86.3 19 10.0 -76.3 252 32 364.5 364.5 299.5 364.5 0.00 34 113 15849 -77.3 -86.3 22 9.0 -77.3 255 27 365.4 365.4 299.7 365.4 0.00 35 100 16550 -76.7 -87.7 16 11.0 -76.7 225 31 379.5 379.5 302.2 379.5 0.00 36 76 18125 -77.3 -89.3 13 12.0 -77.3 196 10 409.3 409.3 306.4 409.3 0.00 37 70 18600 -74.7 -87.7 12 13.0 -74.7 210 6 424.6 424.6 308.2 424.6 0.00 38 66 18942 -76.7 -88.7 13 12.0 -76.7 259 6 427.4 427.4 308.6 427.4 0.00 39 56 19898 -74.1 -88.1 10 14.0 -74.2 79 10 453.9 453.9 311.2 453.9 0.00 40 50 20570 -69.1 -88.1 5 19.0 -69.3 300 4 480.7 480.7 313.5 480.7 0.00 41 45 21200 -69.3 -89.3 4 20.0 -69.5 359 11 494.9 494.9 314.6 494.9 0.00 42 34 22910 -61.1 -89.1 1 28.0 -61.8 54 4 557.7 557.7 318.5 557.8 0.00 43 30 23690 -60.1 -91.1 1 31.0 -61.0 200 6 580.8 580.8 319.7 580.8 0.00 44 28 24120 -60.3 -90.3 1 30.0 -61.3 189 11 591.8 591.8 320.2 591.8 0.00 45 23 25366 -53.7 -88.7 1 35.0 -55.9 238 11 645.5 645.5 322.5 645.5 0.01 46 21 25948 -55.9 -90.9 0 35.0 -57.9 296 16 655.9 655.9 322.9 655.9 0.00 47 20 26260 -54.1 -89.1 1 35.0 -56.5 305 19 670.6 670.6 323.4 670.6 0.01 48 17 27306 -52.7 -91.7 0 39.0 -55.8 305 20 707.0 707.0 324.7 707.0 0.00 TRP 113 15849 -77.3 -86.3 22 9.0 -77.3 255 27 365.4 365.4 299.7 365.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5753.00 m Freezing level: 578.67 mb = 4723.57 m = 15497.09 ft Wetbulb zero: 614.69 mb = 4224.42 m = 13859.48 ft Sfc-500 mean rel hum: 58.78 % Est. max temperature: 20.18 C = 68.32 F Sfc-Lift cond lev (LCL): 718.73 mb = 2922.37 m = 9587.71 ft T: 10.47 C 700-500 lapse rate: 5.65 C/km ThetaE index: 2.13 C Layer 764.0- 700.0 mb Conv cond level (CCL): 601.12 mb = 4403.90 m = 14448.33 ft Mean mixing ratio: 7.05 g/kg Conv temperature: 22.04 C = 71.67 F Cap Strength: 3.45 C Lifted Index: 3.61 C Risk: None Lifted Index @300 mb: 6.34 C Lifted Index @700 mb: 1.12 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.21 J/kg Max Up Vert Vel: 6.51 m/s Conv Inhibition (B-): 30101.59 J/kg Cap Strength: 3.57 C Lift Cond Lev (LCL): 652.62 mb = 3738.03 m = 12263.72 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 275 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 ---------------------------------------------------------- 0 775 2234 300 2 1.7 -1.0 | 86 5 -4.9 -0.4 1 758 2438 300 2 1.7 -1.0 | 86 5 -4.9 -0.4 2 733 2743 280 2 2.0 -0.3 | 93 5 -4.7 0.3 3 709 3048 220 2 1.3 1.5 | 112 6 -5.4 2.2 4 700 3163 250 6 5.6 2.1 | 159 3 -1.0 2.7 5 684 3353 305 2 1.6 -1.1 | 84 5 -5.0 -0.5 6 658 3658 85 2 -2.0 -0.2 | 93 9 -8.6 0.5 7 634 3962 260 2 2.0 0.3 | 102 5 -4.7 1.0 8 610 4267 180 2 0.0 2.0 | 112 7 -6.7 2.6 9 588 4572 180 8 0.0 8.0 | 142 11 -6.7 8.6 10 566 4877 165 8 -2.1 7.7 | 134 12 -8.7 8.4 11 545 5182 240 2 1.7 1.0 | 108 5 -4.9 1.6 12 524 5486 285 6 5.8 -1.6 | 43 1 -0.9 -0.9 13 505 5791 290 12 11.3 -4.1 | 307 6 4.6 -3.5 14 500 5870 285 14 13.5 -3.6 | 294 7 6.9 -3.0 15 467 6401 265 16 15.9 1.4 | 258 10 9.3 2.0 16 448 6706 210 14 7.0 12.1 | 182 13 0.3 12.8 17 431 7010 240 16 13.9 8.0 | 220 11 7.2 8.6 18 414 7315 250 18 16.9 6.2 | 237 12 10.3 6.8 19 400 7580 250 16 15.0 5.5 | 234 10 8.4 6.1 20 381 7925 230 14 10.7 9.0 | 203 10 4.1 9.6 21 366 8230 240 16 13.9 8.0 | 220 11 7.2 8.6 22 351 8534 215 18 10.3 14.7 | 193 16 3.7 15.4 23 309 9449 220 39 25.1 29.9 | 211 36 18.4 30.5 24 300 9670 225 39 27.6 27.6 | 217 35 20.9 28.2 25 284 10058 235 35 28.7 20.1 | 227 30 22.0 20.7 26 250 10930 240 39 33.8 19.5 | 233 34 27.1 20.1 27 200 12400 235 43 35.2 24.7 | 228 38 28.6 25.3 28 179 13106 245 43 39.0 18.2 | 240 37 32.3 18.8 29 150 14190 220 43 27.6 32.9 | 212 40 21.0 33.6 30 139 14630 215 49 28.1 40.1 | 208 46 21.4 40.8 31 132 14935 215 43 24.7 35.2 | 207 40 18.0 35.9 32 119 15545 250 37 34.8 12.7 | 245 31 28.1 13.3 33 113 15849 255 27 26.1 7.0 | 249 21 19.4 7.6 34 107 16154 260 27 26.6 4.7 | 255 21 19.9 5.3 35 102 16459 235 23 18.8 13.2 | 221 18 12.2 13.8 36 100 16550 225 31 21.9 21.9 | 214 27 15.3 22.6 37 96 16764 225 31 21.9 21.9 | 214 27 15.3 22.6 38 87 17374 245 33 29.9 13.9 | 238 27 23.3 14.6 39 78 17983 205 8 3.4 7.3 | 157 9 -3.3 7.9 40 74 18288 185 12 1.0 12.0 | 156 14 -5.6 12.6 41 70 18593 235 4 3.3 2.3 | 131 4 -3.4 2.9 42 70 18600 210 6 3.0 5.2 | 148 7 -3.7 5.8 43 67 18898 260 6 5.9 1.0 | 156 2 -0.7 1.7 44 63 19202 255 6 5.8 1.6 | 159 2 -0.9 2.2 45 60 19507 60 6 -5.2 -3.0 | 79 12 -11.9 -2.4 46 57 19812 110 12 -11.3 4.1 | 105 19 -17.9 4.7 47 54 20117 10 6 -1.0 -5.9 | 56 9 -7.7 -5.3 48 51 20422 80 2 -2.0 -0.3 | 92 9 -8.6 0.3 49 50 20570 300 4 3.5 -2.0 | 67 3 -3.2 -1.4 50 49 20726 295 2 1.8 -0.8 | 87 5 -4.8 -0.2 51 46 21031 335 10 4.2 -9.1 | 16 9 -2.4 -8.4 52 44 21336 15 12 -3.1 -11.6 | 42 15 -9.8 -11.0 53 42 21641 120 8 -6.9 4.0 | 109 14 -13.6 4.6 54 40 21946 70 4 -3.8 -1.4 | 86 10 -10.4 -0.7 55 38 22250 55 8 -6.6 -4.6 | 73 14 -13.2 -4.0 56 36 22555 140 10 -6.4 7.7 | 122 15 -13.1 8.3 57 34 22860 55 4 -3.3 -2.3 | 81 10 -9.9 -1.7 58 33 23165 50 6 -4.6 -3.9 | 74 12 -11.3 -3.2 59 31 23470 130 2 -1.5 1.3 | 103 8 -8.2 1.9 60 30 23690 200 6 2.1 5.6 | 144 8 -4.6 6.3 61 30 23774 180 6 0.0 6.0 | 135 9 -6.7 6.6 62 27 24384 195 14 3.6 13.5 | 168 14 -3.0 14.2 63 26 24689 295 12 10.9 -5.1 | 316 6 4.2 -4.4 64 23 25298 230 10 7.7 6.4 | 188 7 1.0 7.1 65 21 25908 295 16 14.5 -6.8 | 308 10 7.8 -6.1 66 20 26260 305 19 15.6 -10.9 | 319 14 8.9 -10.3 67 14 27432 305 21 17.2 -12.0 | 317 16 10.5 -11.4 Wind Parameters Mean winds (0-6000m): 245.4 at 8.9 knts Storm direction: 275.4 at 6.7 knts Shear (0-3000m) pos: 1.4 neg: 1.6 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 25.9 deg Storm rel helicity (0-3000m) pos: 27.6 neg: -11.2 tot: 16.4 m^2/s^2 ave: 5.5 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.67 Bulk Shear: 7.94 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 ------------------------------------------------------------------------------- 500 294 2 88 5| 0.0 0.7 0.7| 0.8 0.0 0.8 1.6 0.93| 0.7 0.6 1000 269 2 99 4| 0.0 1.5 1.5| 5.8 -1.3 4.4 4.4 0.34| 4.3 1.5 1500 273 2 97 4| 0.0 1.4 1.4| 13.4 -3.0 10.3 6.9 0.26| 6.1 1.6 2000 265 2 101 4| 0.5 1.0 1.5| 16.5 -3.8 12.7 6.4 0.25| 6.0 1.5 2500 219 3 122 6| 0.4 1.9 2.4| 25.9 -5.5 20.4 8.2 0.31| 6.2 1.9 3000 202 3 126 7| 1.4 1.6 3.0| 27.6 -11.2 16.4 5.5 0.17| 6.8 1.2 4000 254 5 142 3| 2.2 1.5 3.7| 27.7 -23.3 4.3 1.1 -0.06| 7.2 -0.4 5000 247 7 183 4| 2.8 2.5 5.3| 58.0 -64.0 -6.0 -1.2 -0.11| 8.4 -0.9 6000 245 9 198 5| 2.3 2.3 4.6| 69.5 -80.5 -11.0 -1.8 -0.12| 8.0 -0.9 Wrote GIF file: /home/apache/climate/data/raob//MMMX/skewt/MMMX.skewt.20251206.12.gif