UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for MMMX... Searching the city database file for: MMMX ... Date:0000Z 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 49 1 925 748 2 850 1496 SFC 774 2234 21.2 7.2 40 14.0 12.4 315 7 316.7 318.3 295.0 342.8 8.26 4 700 3171 12.6 5.6 62 7.0 8.3 355 10 316.4 318.0 294.8 342.2 8.18 5 629 4053 4.0 3.4 96 0.6 3.7 53 4 316.4 317.9 294.6 341.0 7.80 6 528 5453 -4.1 -7.4 78 3.3 -5.6 251 11 323.0 323.8 293.5 336.7 4.16 7 500 5880 -7.1 -10.1 79 3.0 -8.4 265 12 324.4 325.1 293.4 336.2 3.55 8 469 6376 -10.9 -13.1 84 2.2 -11.8 252 14 325.7 326.2 293.2 335.7 2.97 9 458 6559 -10.9 -17.9 56 7.0 -13.3 249 16 327.9 328.3 293.0 334.9 2.04 10 434 6971 -13.3 -19.3 61 6.0 -15.3 247 23 329.9 330.3 293.4 336.6 1.91 11 409 7422 -14.7 -30.7 24 16.0 -18.5 245 29 333.8 333.9 293.4 336.4 0.72 12 400 7590 -15.7 -36.7 15 21.0 -19.8 245 29 334.6 334.7 293.3 336.2 0.41 13 396 7666 -16.3 -40.3 11 24.0 -20.5 245 29 334.8 334.8 293.3 335.9 0.29 14 336 8878 -26.3 -37.3 35 11.0 -28.0 237 24 337.2 337.3 294.1 339.0 0.46 15 318 9275 -28.1 -44.1 20 16.0 -30.0 242 22 340.1 340.1 294.6 341.0 0.24 16 300 9690 -31.5 -49.5 15 18.0 -33.1 265 18 341.0 341.0 294.7 341.6 0.14 17 266 10528 -38.5 -59.5 9 21.0 -39.6 263 17 342.7 342.7 295.0 342.9 0.05 18 250 10950 -42.3 -64.3 7 22.0 -43.1 245 19 343.2 343.2 295.1 343.3 0.03 19 231 11480 -46.9 -63.9 13 17.0 -47.4 237 25 344.0 344.0 295.3 344.2 0.03 20 226 11625 -48.1 -59.1 27 11.0 -48.5 234 26 344.4 344.4 295.4 344.6 0.06 21 200 12420 -55.1 -62.1 42 7.0 -55.2 225 31 345.5 345.5 295.7 345.7 0.04 22 187 12845 -59.3 -63.5 58 4.2 -59.4 228 31 345.4 345.4 295.7 345.6 0.04 23 156 13963 -65.9 -75.9 24 10.0 -66.0 239 51 352.6 352.6 297.2 352.6 0.01 24 150 14200 -67.7 -79.7 17 12.0 -67.8 235 45 353.5 353.5 297.4 353.5 0.00 25 138 14698 -71.7 -80.7 25 9.0 -71.8 240 35 354.9 354.9 297.7 355.0 0.00 26 106 16235 -78.1 -87.1 22 9.0 -78.1 250 31 370.6 370.6 300.7 370.6 0.00 27 103 16399 -78.1 -88.1 18 10.0 -78.1 248 34 373.7 373.7 301.2 373.7 0.00 28 100 16570 -74.5 -87.5 12 13.0 -74.5 245 37 383.8 383.8 302.9 383.8 0.00 29 96 16807 -73.5 -86.5 12 13.0 -73.5 246 36 390.2 390.2 303.8 390.3 0.00 30 76 18140 -81.5 -92.5 14 11.0 -81.5 220 17 400.5 400.5 305.3 400.5 0.00 31 71 18521 -81.7 -91.7 17 10.0 -81.7 207 6 407.9 407.9 306.2 407.9 0.00 32 70 18600 -80.7 -90.7 17 10.0 -80.7 195 16 411.7 411.7 306.7 411.7 0.00 33 63 19201 -74.7 -87.7 12 13.0 -74.7 171 12 437.6 437.6 309.6 437.6 0.00 34 57 19781 -74.3 -87.3 12 13.0 -74.4 12 4 451.2 451.2 311.0 451.2 0.00 35 55 19990 -70.1 -87.1 7 17.0 -70.2 340 3 465.4 465.4 312.3 465.5 0.00 36 50 20560 -66.9 -87.9 4 21.0 -67.1 330 6 485.8 485.8 313.9 485.9 0.00 37 44 21332 -66.9 -89.9 3 23.0 -67.2 106 6 503.9 503.9 315.2 503.9 0.00 38 41 21763 -62.7 -89.7 1 27.0 -63.2 175 4 524.7 524.7 316.6 524.7 0.00 39 34 22918 -62.5 -90.5 1 28.0 -63.1 47 5 554.1 554.1 318.3 554.1 0.00 TRP 106 16235 -78.1 -87.1 22 9.0 -78.1 250 31 370.6 370.6 300.7 370.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5831.00 m Freezing level: 579.12 mb = 4744.21 m = 15564.79 ft Wetbulb zero: 589.15 mb = 4576.30 m = 15013.93 ft Sfc-500 mean rel hum: 75.72 % Est. max temperature: 21.22 C = 70.20 F Sfc-Lift cond lev (LCL): 628.66 mb = 4057.06 m = 13310.42 ft T: 3.97 C 700-500 lapse rate: 7.27 C/km ThetaE index: 7.82 C Layer 700.0- 434.0 mb Conv cond level (CCL): 629.76 mb = 4042.74 m = 13263.43 ft Mean mixing ratio: 8.19 g/kg Conv temperature: 20.94 C = 69.69 F Cap Strength: -0.09 C Lifted Index: -1.26 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.23 C Lifted Index @700 mb: -0.10 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 98.42 J/kg Max Up Vert Vel: 14.03 m/s Conv Inhibition (B-): 1.06 J/kg Cap Strength: 0.17 C Lift Cond Lev (LCL): 628.97 mb = 4053.12 m = 13297.49 ft Lev Free Conv (LFC): 623.97 mb = 4116.97 m = 13506.96 ft Equ Level (EL): 413.97 mb = 7329.87 m = 24047.84 ft B at Equ Level: 94.24 J/kg Max Parcel Lev (MPL): 263.97 mb = 10579.88 m = 34710.47 ft Wind level data Storm motion: 291 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 ---------------------------------------------------------- 0 774 2234 315 7 4.9 -4.9 | 75 5 -4.7 -1.3 1 757 2438 340 12 4.1 -11.3 | 36 9 -5.5 -7.6 2 700 3171 355 10 0.9 -10.0 | 54 11 -8.7 -6.3 3 684 3353 360 10 -0.0 -10.0 | 57 12 -9.6 -6.3 4 659 3658 20 6 -2.1 -5.6 | 80 12 -11.7 -2.0 5 634 3962 35 4 -2.3 -3.3 | 92 12 -11.9 0.4 6 611 4267 115 6 -5.4 2.5 | 112 16 -15.0 6.2 7 588 4572 95 2 -2.0 0.2 | 108 12 -11.6 3.8 8 566 4877 285 2 1.9 -0.5 | 112 8 -7.7 3.1 9 545 5182 255 8 7.7 2.1 | 162 6 -1.9 5.7 10 525 5486 250 12 11.3 4.1 | 192 8 1.7 7.8 11 500 5880 265 12 12.0 1.0 | 206 5 2.3 4.7 12 486 6096 275 14 13.9 -1.2 | 241 5 4.3 2.4 13 467 6401 250 14 13.2 4.8 | 203 9 3.5 8.4 14 415 7315 245 29 26.3 12.3 | 226 23 16.7 15.9 15 400 7590 245 29 26.3 12.3 | 226 23 16.7 15.9 16 323 9144 235 23 18.8 13.2 | 209 19 9.2 16.9 17 300 9690 265 18 17.9 1.6 | 238 10 8.3 5.2 18 297 9754 265 16 15.9 1.4 | 231 8 6.3 5.1 19 272 10363 270 16 16.0 -0.0 | 240 7 6.4 3.7 20 250 10950 245 19 17.2 8.0 | 213 14 7.6 11.7 21 207 12192 225 33 23.3 23.3 | 207 30 13.7 27.0 22 200 12420 225 31 21.9 21.9 | 206 28 12.3 25.6 23 179 13106 230 31 23.7 19.9 | 211 27 14.1 23.6 24 154 14021 240 53 45.9 26.5 | 230 47 36.3 30.2 25 150 14200 235 45 36.9 25.8 | 223 40 27.3 29.5 26 139 14630 240 35 30.3 17.5 | 224 30 20.7 21.2 27 126 15240 235 35 28.7 20.1 | 219 30 19.1 23.7 28 113 15850 260 33 32.5 5.7 | 248 25 22.9 9.4 29 106 16235 250 31 29.1 10.6 | 234 24 19.5 14.3 30 100 16570 245 37 33.5 15.6 | 231 31 23.9 19.3 31 97 16764 245 37 33.5 15.6 | 231 31 23.9 19.3 32 92 17069 250 31 29.1 10.6 | 234 24 19.5 14.3 33 87 17374 230 31 23.7 19.9 | 211 27 14.1 23.6 34 82 17678 235 29 23.8 16.6 | 215 25 14.1 20.3 35 70 18593 205 4 1.7 3.6 | 133 11 -7.9 7.3 36 70 18600 195 16 4.1 15.5 | 164 20 -5.5 19.1 37 67 18898 195 14 3.6 13.5 | 161 18 -6.0 17.2 38 63 19202 165 12 -3.1 11.6 | 140 20 -12.7 15.3 39 60 19507 320 2 1.3 -1.5 | 104 9 -8.3 2.1 40 57 19812 15 4 -1.0 -3.9 | 89 11 -10.6 -0.2 41 54 20117 320 2 1.3 -1.5 | 104 9 -8.3 2.1 42 51 20422 75 2 -1.9 -0.5 | 105 12 -11.5 3.1 43 50 20560 330 6 3.0 -5.2 | 77 7 -6.6 -1.5 44 48 20726 320 6 3.9 -4.6 | 81 6 -5.8 -0.9 45 45 21031 100 6 -5.9 1.0 | 107 16 -15.5 4.7 46 42 21336 115 6 -5.4 2.5 | 112 16 -15.0 6.2 47 40 21641 235 2 1.6 1.1 | 121 9 -8.0 4.8 48 37 21946 25 4 -1.7 -3.6 | 90 11 -11.3 0.0 49 35 22250 10 4 -0.7 -3.9 | 88 10 -10.3 -0.3 50 33 22555 110 6 -5.6 2.1 | 111 16 -15.2 5.7 51 31 22860 130 6 -4.6 3.9 | 118 16 -14.2 7.5 52 29 23165 225 6 4.2 4.2 | 146 10 -5.4 7.9 Wind Parameters Mean winds (0-6000m): 260.9 at 13.7 knts Storm direction: 290.9 at 10.3 knts Shear (0-3000m) pos: 2.1 neg: 2.4 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 93.7 deg Storm rel helicity (0-3000m) pos: 65.1 neg: -14.2 tot: 50.9 m^2/s^2 ave: 17.0 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 2.9 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 3.09 Bulk Shear: 31.81 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 ------------------------------------------------------------------------------- 500 339 11 42 9| 6.5 0.0 6.5| 3.4 -6.5 -3.1 -6.2 -0.35| 8.1 -2.9 1000 345 11 46 9| 3.4 0.0 3.4| 9.0 -6.5 2.5 2.5 -0.07| 5.3 -0.4 1500 351 10 54 10| 2.5 0.0 2.5| 26.9 -6.5 20.4 13.6 0.31| 5.6 1.7 2000 358 8 63 10| 3.2 0.0 3.2| 49.5 -6.5 43.1 21.5 0.46| 6.2 2.9 2500 4 7 70 11| 2.5 1.3 3.9| 51.3 -14.2 37.1 14.8 0.30| 6.4 1.9 3000 355 7 71 10| 2.1 2.4 4.5| 65.1 -14.2 50.9 17.0 0.42| 7.0 2.9 4000 311 8 63 4| 1.0 1.8 2.8| 76.3 -16.6 59.7 14.9 0.44| 6.6 2.9 5000 276 11 202 3| 0.8 2.8 3.6| 94.7 -20.7 74.0 14.8 0.37| 7.0 2.6 6000 261 14 214 7| 0.6 2.2 2.9| 96.1 -36.8 59.2 9.9 0.31| 6.3 2.0 Wrote GIF file: /home/apache/climate/data/raob//MMMX/skewt/MMMX.skewt.20251208.00.gif