UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121100.upa.cvt Date: 0000Z 11 DEC 25 Searching for MMMX... Searching the city database file for: MMMX ... Date:0000Z 11 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 56 1 925 754 2 850 1500 SFC 774 2234 20.6 7.6 43 13.0 12.4 325 7 316.1 317.7 295.0 342.8 8.49 4 700 3167 11.6 5.6 67 6.0 8.0 345 10 315.3 316.9 294.6 341.0 8.18 5 500 5880 -7.3 -8.3 93 1.0 -7.8 240 6 324.1 324.9 293.7 337.7 4.09 6 400 7570 -18.7 -20.2 88 1.5 -19.1 290 14 330.7 331.1 293.7 337.4 1.92 7 300 9650 -33.9 -38.4 64 4.5 -34.5 265 41 337.6 337.7 294.1 339.4 0.46 8 250 10910 -44.3 -49.0 59 4.7 -44.6 275 43 340.2 340.2 294.6 340.9 0.18 9 200 12360 -55.7 -61.7 47 6.0 -55.8 260 43 344.6 344.6 295.4 344.8 0.05 10 150 14140 -68.7 -72.2 60 3.5 -68.7 250 54 351.7 351.7 297.0 351.8 0.01 11 100 16550 -78.3 -80.4 71 2.1 -78.3 225 31 376.4 376.4 301.6 376.5 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5824.00 m Freezing level: 577.25 mb = 4832.12 m = 15853.23 ft Wetbulb zero: 598.63 mb = 4428.31 m = 14528.38 ft Sfc-500 mean rel hum: 73.87 % Est. max temperature: 22.83 C = 73.09 F Sfc-Lift cond lev (LCL): 637.97 mb = 3915.17 m = 12844.90 ft T: 6.39 C 700-500 lapse rate: 6.97 C/km ThetaE index: 5.34 C Layer 700.0- 300.0 mb Conv cond level (CCL): 607.32 mb = 4312.10 m = 14147.13 ft Mean mixing ratio: 8.21 g/kg Conv temperature: 23.50 C = 74.30 F Cap Strength: 1.94 C Lifted Index: -1.14 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.70 C Lifted Index @700 mb: -0.38 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 246.31 J/kg Max Up Vert Vel: 22.20 m/s Conv Inhibition (B-): 58.51 J/kg Cap Strength: 1.94 C Lift Cond Lev (LCL): 636.21 mb = 3937.44 m = 12917.96 ft Lev Free Conv (LFC): 551.21 mb = 5093.79 m = 16711.72 ft Equ Level (EL): 241.21 mb = 11142.60 m = 36556.63 ft B at Equ Level: 243.10 J/kg Max Parcel Lev (MPL): 171.21 mb = 13321.70 m = 43705.83 ft Wind level data Storm motion: 326 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 ---------------------------------------------------------- 0 774 2234 325 7 4.0 -5.7 | 160 0 -0.1 0.4 1 700 3167 345 10 2.6 -9.7 | 24 4 -1.6 -3.6 2 500 5880 240 6 5.2 3.0 | 187 9 1.1 9.1 3 400 7570 290 14 13.2 -4.8 | 262 9 9.0 1.3 4 300 9650 265 41 40.8 3.6 | 255 38 36.7 9.7 5 250 10910 275 43 42.8 -3.7 | 267 39 38.7 2.3 6 200 12360 260 43 42.3 7.5 | 250 41 38.2 13.6 7 150 14140 250 54 50.7 18.5 | 242 53 46.6 24.6 8 100 16550 225 31 21.9 21.9 | 212 33 17.8 28.0 Wind Parameters Mean winds (0-6000m): 295.8 at 9.8 knts Storm direction: 325.8 at 7.4 knts Shear (0-3000m) pos: 0.7 neg: 1.8 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 42.6 deg Storm rel helicity (0-3000m) pos: 0.2 neg: -8.6 tot: -8.4 m^2/s^2 ave: -2.8 10^-3 m/s^2 rel: -0.61 Storm rel vorticity (0-3000m) horiz: 2.8 stream: -1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 54.12 Bulk Shear: 4.55 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 ------------------------------------------------------------------------------- 500 332 8 35 1| 2.2 0.0 2.2| 0.0 -0.1 -0.1 -0.1 -0.36| 2.3 -0.8 1000 337 9 24 2| 2.0 0.0 2.0| 0.2 -0.3 -0.1 -0.1 -0.20| 2.3 -0.5 1500 336 9 14 2| 1.3 1.1 2.4| 0.2 -2.1 -1.9 -1.3 -0.46| 2.7 -1.2 2000 331 9 354 2| 1.0 1.6 2.6| 0.2 -3.6 -3.5 -1.7 -0.58| 2.8 -1.6 2500 326 9 326 1| 0.8 1.8 2.6| 0.2 -5.7 -5.5 -2.2 -0.59| 2.8 -1.7 3000 321 8 296 1| 0.7 1.8 2.5| 0.2 -8.6 -8.4 -2.8 -0.61| 2.8 -1.7 4000 313 8 250 2| 0.5 1.6 2.1| 4.8 -13.2 -8.4 -2.1 -0.48| 2.7 -1.3 5000 300 8 239 4| 1.0 1.3 2.3| 21.7 -13.2 8.5 1.7 -0.11| 2.9 -0.3 6000 296 10 249 5| 1.2 1.3 2.5| 30.7 -13.5 17.2 2.9 0.01| 3.4 0.0 Wrote GIF file: /home/apache/climate/data/raob//MMMX/skewt/MMMX.skewt.20251211.00.gif