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 MMVA... Searching the city database file for: MMVA ... Date:1200Z 9 DEC 25 Station: MMVA WMO ident: 76743 Latitude: 17.98 Longitude: -92.94 Elevation: 10.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1014 10 23.2 19.4 79 3.8 20.6 15 5 295.2 297.7 293.2 335.7 14.12 1 1000 126 21.8 21.5 98 0.3 21.6 355 21 295.0 297.9 294.7 341.8 16.35 2 925 802 18.4 18.2 99 0.2 18.3 10 39 298.1 300.7 294.3 339.8 14.36 3 850 1529 15.6 15.5 99 0.1 15.5 40 27 302.5 304.9 294.7 341.4 13.14 4 700 3156 8.0 7.9 99 0.1 7.9 55 19 311.3 313.2 294.6 340.9 9.60 5 500 5870 -6.1 -6.5 97 0.4 -6.3 65 16 325.6 326.5 294.6 341.2 4.71 6 400 7580 -16.3 -18.7 82 2.4 -17.1 170 19 333.8 334.2 294.7 341.5 2.19 7 300 9680 -32.9 -36.9 67 4.0 -33.4 215 19 339.0 339.1 294.6 341.1 0.54 8 250 10930 -42.7 -47.3 61 4.6 -43.0 220 16 342.6 342.6 295.1 343.4 0.21 9 200 12400 -55.3 -60.3 54 5.0 -55.4 220 35 345.2 345.2 295.6 345.4 0.06 10 150 14190 -66.1 -71.1 49 5.0 -66.1 225 47 356.2 356.2 298.0 356.3 0.02 11 100 16570 -76.3 -80.8 49 4.5 -76.3 265 23 380.3 380.3 302.3 380.3 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5744.00 m Freezing level: 586.52 mb = 4695.86 m = 15406.17 ft Wetbulb zero: 588.61 mb = 4553.96 m = 14940.64 ft Precipitable water: 2.38 inches Sfc-500 mean rel hum: 98.44 % Est. max temperature: 29.69 C = 85.45 F Sfc-Lift cond lev (LCL): 959.24 mb = 486.83 m = 1597.18 ft T: 19.99 C 700-500 lapse rate: 5.20 C/km ThetaE index: 1.99 C Layer 925.0- 850.0 mb Conv cond level (CCL): 949.61 mb = 574.33 m = 1884.26 ft Mean mixing ratio: 15.22 g/kg Conv temperature: 25.09 C = 77.16 F Cap Strength: 0.29 C Lifted Index: 0.50 C Risk: Showers probable Lifted Index @300 mb: 0.89 C Lifted Index @700 mb: 0.19 C Showalter Index: 0.15 C Risk: Thunderstorms probable Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 21.60 C K Index: 37.10 Risk: > 80 % chance of thunderstorms Sweat Index: 256.00 Risk: None Energy Index: -0.14 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.98 J/kg Max Up Vert Vel: 5.47 m/s Conv Inhibition (B-): 0.68 J/kg Cap Strength: 0.43 C Lift Cond Lev (LCL): 956.90 mb = 508.03 m = 1666.75 ft Lev Free Conv (LFC): 931.90 mb = 737.58 m = 2419.86 ft Equ Level (EL): 911.90 mb = 924.65 m = 3033.61 ft B at Equ Level: 14.95 J/kg Max Parcel Lev (MPL): 671.90 mb = 3486.50 m = 11438.51 ft Wind level data Storm motion: 74 at 17 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 1014 10 15 5 -1.3 -4.8 | 271 15 14.6 -0.2 1 1000 126 355 21 1.8 -20.9 | 313 24 17.7 -16.3 2 980 305 5 37 -3.2 -36.9 | 339 35 12.6 -32.2 3 925 802 10 39 -6.8 -38.4 | 345 35 9.1 -33.8 4 850 1529 40 27 -17.4 -20.7 | 5 16 -1.5 -16.0 5 820 1829 55 23 -18.8 -13.2 | 19 9 -3.0 -8.6 6 791 2134 60 23 -19.9 -11.5 | 31 8 -4.0 -6.9 7 735 2743 70 25 -23.5 -8.6 | 63 9 -7.6 -3.9 8 700 3156 55 19 -15.6 -10.9 | 357 6 0.3 -6.3 9 658 3658 40 25 -16.1 -19.2 | 1 15 -0.2 -14.5 10 633 3962 50 12 -9.2 -7.7 | 295 7 6.7 -3.1 11 610 4267 40 18 -11.6 -13.8 | 335 10 4.3 -9.2 12 587 4572 70 10 -9.4 -3.4 | 259 7 6.5 1.2 13 524 5486 90 16 -16.0 0.0 | 178 5 -0.1 4.6 14 500 5870 65 16 -14.5 -6.8 | 327 3 1.4 -2.1 15 485 6096 70 14 -13.2 -4.8 | 273 3 2.7 -0.2 16 467 6401 150 10 -5.0 8.7 | 219 17 10.9 13.3 17 448 6706 210 10 5.0 8.7 | 237 25 20.9 13.3 18 431 7010 200 18 6.2 16.9 | 226 31 22.0 21.5 19 400 7580 170 19 -3.3 18.7 | 208 27 12.6 23.3 20 398 7620 160 19 -6.5 17.9 | 203 24 9.4 22.5 21 323 9144 180 21 0.0 21.0 | 212 30 15.9 25.6 22 300 9680 215 19 10.9 15.6 | 233 34 26.8 20.2 23 297 9754 220 19 12.2 14.6 | 236 34 28.1 19.2 24 260 10668 220 16 10.3 12.3 | 237 31 26.2 16.9 25 250 10930 220 16 10.3 12.3 | 237 31 26.2 16.9 26 237 11278 230 18 13.8 11.6 | 241 34 29.7 16.2 27 206 12192 220 27 17.4 20.7 | 233 42 33.2 25.3 28 200 12400 220 35 22.5 26.8 | 231 50 38.4 31.4 29 170 13411 235 53 43.4 30.4 | 239 69 59.3 35.0 30 162 13716 230 53 40.6 34.1 | 236 68 56.5 38.7 31 150 14190 225 47 33.2 33.2 | 232 62 49.1 37.9 32 147 14326 225 47 33.2 33.2 | 232 62 49.1 37.9 33 132 14935 250 45 42.3 15.4 | 251 62 58.2 20.0 34 119 15545 245 49 44.4 20.7 | 247 65 60.3 25.3 35 107 16154 290 35 32.9 -12.0 | 279 49 48.8 -7.3 36 100 16570 265 23 22.9 2.0 | 260 39 38.8 6.6 37 97 16764 270 23 23.0 -0.0 | 263 39 38.9 4.6 38 91 17069 235 21 17.2 12.0 | 243 37 33.1 16.7 39 73 18288 230 23 17.6 14.8 | 240 39 33.5 19.4 40 69 18593 175 4 -0.3 4.0 | 241 18 15.5 8.6 41 65 18898 205 10 4.2 9.1 | 236 24 20.1 13.7 42 59 19507 285 18 17.4 -4.7 | 270 33 33.3 -0.0 43 55 19812 315 18 12.7 -12.7 | 286 30 28.6 -8.1 44 52 20117 45 4 -2.8 -2.8 | 262 13 13.0 1.8 45 50 20422 95 2 -2.0 0.2 | 251 15 13.9 4.8 46 47 20726 335 2 0.8 -1.8 | 260 17 16.7 2.8 Wind Parameters Mean winds (0-6000m): 43.7 at 22.0 knts Storm direction: 73.7 at 16.5 knts Shear (0-3000m) pos: 5.6 neg: 5.7 tot: 11.4 10-3/s Storm rel Dir Shear (0-3000m): 112.3 deg Storm rel helicity (0-3000m) pos: 278.8 neg: -9.0 tot: 269.9 m^2/s^2 ave: 90.0 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 13.3 stream: 7.5 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.33 Bulk Shear: 44.80 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 4 29 329 28| 0.0 33.8 33.8|169.7 0.0 169.7 339.5 0.80| 36.0 28.8 1000 8 33 338 31| 4.0 16.9 20.9|220.5 0.0 220.5 220.5 0.77| 22.5 17.4 1500 13 33 343 28| 7.1 11.3 18.4|255.1 0.0 255.1 170.1 0.68| 19.8 13.5 2000 21 31 348 24| 7.6 8.5 16.0|268.0 0.0 268.0 134.0 0.65| 17.2 11.2 2500 27 29 353 21| 6.8 6.8 13.5|275.5 0.0 275.5 110.2 0.66| 14.5 9.7 3000 33 28 359 19| 5.6 5.7 11.4|278.8 -9.0 269.9 90.0 0.56| 13.3 7.5 4000 36 26 359 16| 4.8 5.1 9.9|279.7 -35.6 244.1 61.0 0.32| 12.7 4.1 5000 39 24 355 14| 4.6 4.1 8.6|288.2 -50.1 238.1 47.6 0.23| 12.0 2.7 6000 44 22 357 11| 4.0 3.8 7.9|288.8 -54.5 234.3 39.1 0.19| 11.0 2.1 Wrote GIF file: /home/apache/climate/data/raob//MMVA/skewt/MMVA.skewt.20251209.12.gif