UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for MMMX... Searching the city database file for: MMMX ... Date:1200Z 4 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 136 1 925 818 2 850 1546 SFC 777 2234 13.2 9.5 78 3.7 10.9 0 0 307.8 309.6 293.6 337.0 9.64 4 742 2657 13.2 7.2 67 6.0 9.5 342 2 311.9 313.5 293.9 338.5 8.62 5 700 3187 9.8 4.8 71 5.0 6.8 335 8 313.3 314.8 293.7 337.4 7.73 6 668 3574 6.8 5.5 91 1.3 6.0 252 5 314.2 315.8 294.5 340.7 8.52 7 648 3823 5.0 3.9 93 1.1 4.4 199 3 314.9 316.4 294.2 339.4 7.84 8 635 3988 3.8 1.1 83 2.7 2.3 164 2 315.4 316.6 293.3 336.0 6.54 9 633 4014 3.6 0.7 81 2.9 2.0 163 3 315.4 316.6 293.2 335.5 6.37 10 628 4079 4.4 -7.6 41 12.0 -1.2 160 5 317.0 317.7 291.2 328.2 3.44 11 623 4144 4.6 -13.4 26 18.0 -2.7 157 6 318.0 318.4 290.3 325.3 2.18 12 500 5900 -7.1 -21.1 32 14.0 -11.6 145 21 324.4 324.7 291.5 329.3 1.42 13 483 6168 -8.9 -19.9 41 11.0 -12.5 153 20 325.4 325.7 292.0 331.0 1.63 14 448 6744 -12.1 -34.1 14 22.0 -16.9 172 17 328.4 328.5 291.7 330.2 0.48 15 403 7544 -16.3 -36.3 16 20.0 -20.2 178 17 333.1 333.2 293.0 334.7 0.43 16 400 7600 -16.7 -35.7 18 19.0 -20.4 175 18 333.3 333.4 293.0 335.0 0.46 17 351 8566 -23.7 -45.7 11 22.0 -26.5 172 16 336.5 336.6 293.6 337.3 0.18 18 300 9690 -33.1 -52.1 13 19.0 -34.6 235 19 338.7 338.7 294.1 339.1 0.10 19 287 10001 -36.1 -53.1 16 17.0 -37.2 237 19 338.8 338.8 294.1 339.1 0.10 20 250 10950 -42.3 -66.3 6 24.0 -43.2 245 18 343.2 343.2 295.1 343.3 0.02 21 241 11196 -44.1 -68.1 5 24.0 -44.8 242 16 344.1 344.1 295.3 344.2 0.02 22 200 12410 -55.5 -70.5 14 15.0 -55.7 275 16 344.9 344.9 295.5 344.9 0.01 23 161 13763 -67.3 -75.3 31 8.0 -67.4 264 17 347.1 347.1 296.0 347.1 0.01 24 150 14190 -69.3 -77.3 30 8.0 -69.4 245 21 350.7 350.7 296.8 350.7 0.01 25 131 14991 -73.5 -81.5 28 8.0 -73.5 227 34 357.1 357.1 298.1 357.1 0.00 26 104 16325 -78.1 -87.1 22 9.0 -78.1 220 29 372.6 372.6 301.0 372.6 0.00 27 100 16550 -76.9 -86.9 19 10.0 -76.9 220 29 379.1 379.1 302.1 379.2 0.00 28 74 18272 -79.5 -89.5 18 10.0 -79.5 171 12 407.8 407.8 306.2 407.8 0.00 29 70 18590 -75.9 -87.9 13 12.0 -75.9 170 16 422.0 422.0 307.9 422.0 0.00 30 65 19020 -71.7 -86.7 9 15.0 -71.8 231 13 440.2 440.2 309.9 440.2 0.00 31 62 19296 -73.3 -86.3 12 13.0 -73.4 247 7 442.7 442.7 310.1 442.7 0.00 32 55 20002 -68.7 -87.7 5 19.0 -68.9 221 7 468.6 468.6 312.5 468.7 0.00 33 51 20452 -68.9 -87.9 5 19.0 -69.1 110 2 478.4 478.4 313.3 478.4 0.00 34 50 20570 -68.1 -89.1 3 21.0 -68.3 0 0 483.0 483.0 313.7 483.0 0.00 35 47 20945 -64.9 -88.9 2 24.0 -65.3 140 3 499.3 499.3 314.9 499.3 0.00 36 40 21929 -65.3 -89.3 2 24.0 -65.7 41 16 521.9 521.9 316.4 521.9 0.00 37 30 23710 -58.7 -89.7 1 31.0 -59.7 350 12 584.6 584.6 319.9 584.6 0.00 38 28 24143 -57.5 -89.5 1 32.0 -58.8 357 12 599.6 599.6 320.6 599.6 0.00 39 24 25109 -59.1 -90.1 1 31.0 -60.3 35 17 622.0 622.0 321.6 622.0 0.00 40 20 26270 -51.1 -87.1 1 36.0 -54.3 30 10 679.8 679.8 323.7 679.8 0.01 41 19 26605 -49.9 -85.9 1 36.0 -53.5 25 11 693.5 693.5 324.2 693.6 0.01 42 16 27722 -52.3 -87.3 1 35.0 -55.6 18 10 720.6 720.6 325.1 720.7 0.01 43 14 28589 -50.9 -87.9 0 37.0 -55.1 25 6 753.4 753.4 326.0 753.5 0.01 TRP 104 16325 -78.1 -87.1 22 9.0 -78.1 220 29 372.6 372.6 301.0 372.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5764.00 m Freezing level: 574.64 mb = 4834.27 m = 15860.26 ft Wetbulb zero: 629.82 mb = 4055.03 m = 13303.74 ft Sfc-500 mean rel hum: 52.32 % Est. max temperature: 22.00 C = 71.60 F Sfc-Lift cond lev (LCL): 734.92 mb = 2744.37 m = 9003.74 ft T: 12.64 C 700-500 lapse rate: 6.23 C/km ThetaE index: 1.08 C Layer 700.0- 668.0 mb Conv cond level (CCL): 647.39 mb = 3830.81 m = 12568.13 ft Mean mixing ratio: 8.45 g/kg Conv temperature: 19.84 C = 67.71 F Cap Strength: 2.35 C Lifted Index: 0.50 C Risk: Showers probable Lifted Index @300 mb: 2.15 C Lifted Index @700 mb: 1.28 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.34 J/kg Max Up Vert Vel: 7.53 m/s Conv Inhibition (B-): 39277.44 J/kg Cap Strength: 2.24 C Lift Cond Lev (LCL): 674.34 mb = 3495.80 m = 11469.01 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 199 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 0 0 -0.0 -0.0 | 19 10 -3.3 -9.6 1 760 2438 235 2 1.6 1.1 | 11 9 -1.6 -8.4 2 735 2743 25 2 -0.8 -1.8 | 20 12 -4.1 -11.4 3 711 3048 335 8 3.4 -7.3 | 360 17 0.1 -16.8 4 700 3187 335 8 3.4 -7.3 | 360 17 0.1 -16.8 5 636 3962 165 2 -0.5 1.9 | 26 9 -3.8 -7.7 6 612 4267 150 10 -5.0 8.7 | 84 8 -8.3 -0.9 7 547 5182 185 21 1.8 20.9 | 173 11 -1.4 11.3 8 507 5791 150 23 -11.5 19.9 | 125 18 -14.8 10.3 9 500 5900 145 21 -12.0 17.2 | 116 17 -15.3 7.6 10 415 7315 190 14 2.4 13.8 | 169 4 -0.8 4.2 11 400 7600 175 18 -1.6 17.9 | 150 10 -4.8 8.3 12 352 8534 170 16 -2.8 15.8 | 135 9 -6.1 6.2 13 337 8839 220 12 7.7 9.2 | 275 4 4.4 -0.4 14 323 9144 255 14 13.5 3.6 | 300 12 10.2 -6.0 15 310 9449 235 18 14.7 10.3 | 266 11 11.5 0.7 16 300 9690 235 19 15.6 10.9 | 264 12 12.3 1.3 17 250 10950 245 18 16.3 7.6 | 279 13 13.0 -2.0 18 249 10973 235 16 13.1 9.2 | 272 10 9.8 -0.4 19 207 12192 275 18 17.9 -1.6 | 307 18 14.7 -11.2 20 200 12410 275 16 15.9 -1.4 | 311 17 12.7 -11.0 21 188 12802 275 16 15.9 -1.4 | 311 17 12.7 -11.0 22 170 13411 250 16 15.0 5.5 | 289 12 11.8 -4.1 23 154 14021 275 18 17.9 -1.6 | 307 18 14.7 -11.2 24 150 14190 245 21 19.0 8.9 | 273 16 15.8 -0.7 25 147 14326 220 23 14.8 17.6 | 235 14 11.5 8.0 26 125 15240 230 39 29.9 25.1 | 240 31 26.6 15.5 27 119 15545 245 39 35.3 16.5 | 258 33 32.1 6.9 28 104 16325 220 29 18.6 22.2 | 231 20 15.4 12.6 29 100 16550 220 29 18.6 22.2 | 231 20 15.4 12.6 30 96 16764 220 29 18.6 22.2 | 231 20 15.4 12.6 31 91 17069 210 39 19.5 33.8 | 214 29 16.2 24.2 32 87 17374 230 25 19.2 16.1 | 248 17 15.9 6.5 33 82 17678 215 14 8.0 11.5 | 248 5 4.8 1.9 34 74 18288 170 12 -2.1 11.8 | 113 6 -5.4 2.2 35 70 18590 170 16 -2.8 15.8 | 135 9 -6.1 6.2 36 70 18593 185 16 1.4 15.9 | 163 7 -1.9 6.3 37 66 18898 195 16 4.1 15.5 | 188 6 0.9 5.9 38 63 19202 280 10 9.8 -1.7 | 330 13 6.6 -11.3 39 60 19507 180 2 0.0 2.0 | 23 8 -3.3 -7.6 40 57 19812 205 8 3.4 7.3 | 358 2 0.1 -2.3 41 54 20117 230 6 4.6 3.9 | 347 6 1.3 -5.7 42 51 20422 140 2 -1.3 1.5 | 30 9 -4.6 -8.1 43 50 20570 0 0 -0.0 -0.0 | 19 10 -3.3 -9.6 44 49 20726 265 2 2.0 0.2 | 8 10 -1.3 -9.4 45 46 21031 95 4 -4.0 0.3 | 38 12 -7.3 -9.2 46 44 21336 40 12 -7.7 -9.2 | 30 22 -11.0 -18.8 47 42 21641 80 16 -15.8 -2.8 | 57 23 -19.0 -12.4 48 40 21946 40 16 -10.3 -12.3 | 32 26 -13.6 -21.9 49 38 22250 70 18 -16.9 -6.2 | 52 26 -20.2 -15.8 50 34 22860 100 10 -9.8 1.7 | 59 15 -13.1 -7.9 51 33 23165 80 4 -3.9 -0.7 | 35 13 -7.2 -10.3 52 31 23470 35 6 -3.4 -4.9 | 25 16 -6.7 -14.5 53 30 23710 350 12 2.1 -11.8 | 3 21 -1.2 -21.4 54 30 23774 360 8 -0.0 -8.0 | 11 18 -3.3 -17.6 55 28 24079 350 12 2.1 -11.8 | 3 21 -1.2 -21.4 56 27 24384 20 14 -4.8 -13.2 | 20 24 -8.1 -22.8 57 26 24689 10 19 -3.3 -18.7 | 13 29 -6.6 -28.3 58 23 25298 45 16 -11.3 -11.3 | 35 25 -14.6 -20.9 59 22 25603 40 10 -6.4 -7.7 | 29 20 -9.7 -17.3 60 21 25908 80 6 -5.9 -1.0 | 41 14 -9.2 -10.6 61 20 26213 40 6 -3.9 -4.6 | 27 16 -7.1 -14.2 62 20 26270 30 10 -5.0 -8.7 | 24 20 -8.3 -18.3 63 17 26822 15 12 -3.1 -11.6 | 17 22 -6.4 -21.2 64 14 27432 25 6 -2.5 -5.4 | 21 16 -5.8 -15.0 65 13 27737 15 4 -1.0 -3.9 | 18 14 -4.3 -13.5 66 12 28042 115 2 -1.8 0.8 | 30 10 -5.1 -8.7 67 11 28346 160 4 -1.4 3.8 | 39 7 -4.6 -5.8 68 10 28651 265 10 10.0 0.9 | 323 11 6.7 -8.7 69 9 28956 220 14 9.0 10.7 | 259 6 5.7 1.1 Wind Parameters Mean winds (0-6000m): 168.9 at 13.5 knts Storm direction: 198.9 at 10.1 knts Shear (0-3000m) pos: 2.1 neg: 1.8 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 148.7 deg Storm rel helicity (0-3000m) pos: 62.6 neg: -40.2 tot: 22.4 m^2/s^2 ave: 7.5 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 3.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.11 Bulk Shear: 25.44 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 ------------------------------------------------------------------------------- 500 268 2 10 10| 2.1 0.0 2.1| 7.1 -5.0 2.0 4.1 0.05| 7.7 0.4 1000 334 4 7 13| 1.0 3.5 4.5| 7.1 -30.7 -23.6 -23.6 -0.36| 8.4 -3.0 1500 322 5 2 13| 0.7 2.0 2.6| 13.2 -39.5 -26.4 -17.6 -0.19| 9.6 -1.8 2000 332 4 5 14| 0.5 2.7 3.2| 29.9 -39.5 -9.6 -4.8 0.09| 9.7 0.9 2500 168 6 52 6| 1.1 2.2 3.3| 46.3 -39.5 6.8 2.7 0.24| 9.4 2.3 3000 180 8 69 4| 2.1 1.8 3.9| 62.6 -40.2 22.4 7.5 0.33| 9.1 3.0 4000 166 12 106 6| 1.4 2.2 3.6| 71.5 -92.7 -21.2 -5.3 0.09| 9.2 0.8 5000 166 13 114 7| 1.8 1.8 3.6| 85.6 -92.7 -7.1 -1.4 0.15| 8.5 1.2 6000 169 14 122 7| 1.5 1.9 3.4| 86.0-100.3 -14.3 -2.4 0.10| 7.7 0.8 Wrote GIF file: /home/apache/climate/data/raob//MMMX/skewt/MMMX.skewt.20251204.12.gif