UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for MMVA... Searching the city database file for: MMVA ... Date:1200Z 18 OCT 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 1008 10 26.4 21.4 74 5.0 22.8 110 2 298.9 301.8 295.7 345.8 16.12 1 1000 85 25.8 24.6 93 1.2 24.9 110 2 299.0 302.6 298.1 356.9 19.84 2 925 769 22.6 20.8 90 1.8 21.3 100 2 302.4 305.5 297.2 352.6 16.95 3 850 1499 18.4 16.1 86 2.3 16.8 85 2 305.4 308.0 295.8 346.3 13.67 4 700 3142 10.4 5.4 71 5.0 7.4 70 4 314.0 315.5 294.1 339.2 8.06 5 500 5870 -3.7 -21.7 23 18.0 -9.7 50 4 328.5 328.8 292.6 333.3 1.35 6 400 7590 -15.3 -35.3 16 20.0 -19.4 40 8 335.1 335.2 293.6 336.9 0.47 7 300 9700 -29.9 -54.9 7 25.0 -32.0 5 8 343.2 343.3 295.1 343.5 0.07 8 250 10970 -41.1 -59.1 13 18.0 -42.0 70 6 345.0 345.0 295.6 345.2 0.05 9 200 12440 -53.5 -60.5 42 7.0 -53.7 280 14 348.0 348.1 296.3 348.3 0.06 10 150 14230 -67.5 -78.5 19 11.0 -67.5 15 6 353.8 353.8 297.4 353.8 0.01 11 101 16515 -83.3 -88.0 44 4.7 -83.3 110 12 365.7 365.7 299.8 365.7 0.00 12 100 16570 -83.1 -88.1 41 5.0 -83.1 100 16 367.2 367.2 300.1 367.2 0.00 TRP 101 16515 -83.3 -88.0 44 4.7 -83.3 110 12 365.7 365.7 299.8 365.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5785.00 m Freezing level: 552.48 mb = 5154.14 m = 16909.71 ft Wetbulb zero: 613.47 mb = 4211.83 m = 13818.16 ft Precipitable water: 2.11 inches Sfc-500 mean rel hum: 66.19 % Est. max temperature: 32.64 C = 90.75 F Sfc-Lift cond lev (LCL): 937.43 mb = 651.92 m = 2138.82 ft T: 23.15 C 700-500 lapse rate: 5.17 C/km ThetaE index: 23.62 C Layer 925.0- 400.0 mb Conv cond level (CCL): 903.32 mb = 973.75 m = 3194.69 ft Mean mixing ratio: 18.04 g/kg Conv temperature: 30.81 C = 87.45 F Cap Strength: 1.02 C Lifted Index: -2.14 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.67 C Lifted Index @700 mb: -1.28 C Showalter Index: 0.62 C Risk: Thunderstorms probable Total Totals Index: 41.90 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 19.80 C K Index: 33.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 201.20 Risk: None Energy Index: -2.50 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1350.92 J/kg Max Up Vert Vel: 51.98 m/s Conv Inhibition (B-): 11.66 J/kg Cap Strength: 1.02 C Lift Cond Lev (LCL): 934.78 mb = 676.77 m = 2220.36 ft Lev Free Conv (LFC): 859.78 mb = 1400.28 m = 4594.05 ft Equ Level (EL): 149.78 mb = 14238.67 m = 46714.22 ft B at Equ Level: 1349.14 J/kg Wind level data Storm motion: 118 at 4 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 1008 10 110 2 -1.9 0.7 | 305 2 1.6 -1.1 1 1000 85 110 2 -1.9 0.7 | 305 2 1.6 -1.1 2 975 305 90 14 -14.0 0.0 | 80 11 -10.5 -1.8 3 925 769 100 2 -2.0 0.3 | 314 2 1.5 -1.5 4 850 1499 85 2 -2.0 -0.2 | 323 2 1.5 -2.0 5 847 1524 125 12 -9.8 6.9 | 129 8 -6.3 5.1 6 700 3142 70 4 -3.8 -1.4 | 5 3 -0.3 -3.2 7 500 5870 50 4 -3.1 -2.6 | 354 4 0.4 -4.4 8 486 6096 55 4 -3.3 -2.3 | 357 4 0.2 -4.1 9 467 6401 35 4 -2.3 -3.3 | 347 5 1.2 -5.1 10 415 7315 35 8 -4.6 -6.6 | 7 8 -1.1 -8.4 11 400 7590 40 8 -5.1 -6.1 | 12 8 -1.7 -8.0 12 398 7620 55 10 -8.2 -5.7 | 32 9 -4.7 -7.6 13 367 8230 30 10 -5.0 -8.7 | 8 11 -1.5 -10.5 14 337 8839 40 12 -7.7 -9.2 | 21 12 -4.2 -11.0 15 324 9144 15 8 -2.1 -7.7 | 352 10 1.4 -9.6 16 300 9700 5 8 -0.7 -8.0 | 344 10 2.8 -9.8 17 298 9754 5 8 -0.7 -8.0 | 344 10 2.8 -9.8 18 273 10363 25 6 -2.5 -5.4 | 353 7 1.0 -7.3 19 261 10668 65 8 -7.3 -3.4 | 36 6 -3.8 -5.2 20 250 10970 70 6 -5.6 -2.1 | 29 4 -2.1 -3.9 21 239 11278 60 2 -1.7 -1.0 | 328 3 1.8 -2.8 22 228 11582 215 6 3.4 4.9 | 246 8 6.9 3.1 23 208 12192 290 6 5.6 -2.1 | 293 10 9.1 -3.9 24 200 12440 280 14 13.8 -2.4 | 284 18 17.3 -4.3 25 163 13716 295 12 10.9 -5.1 | 296 16 14.4 -6.9 26 155 14021 325 10 5.7 -8.2 | 317 14 9.2 -10.0 27 150 14230 15 6 -1.6 -5.8 | 346 8 1.9 -7.6 28 140 14630 180 2 0.0 2.0 | 267 3 3.5 0.2 29 133 14935 325 2 1.1 -1.6 | 307 6 4.6 -3.5 30 126 15240 330 2 1.0 -1.7 | 308 6 4.5 -3.6 31 113 15850 95 4 -4.0 0.3 | 18 2 -0.5 -1.5 32 108 16154 150 10 -5.0 8.7 | 168 7 -1.5 6.8 33 102 16459 140 8 -5.1 6.1 | 159 5 -1.7 4.3 34 101 16515 110 12 -11.3 4.1 | 106 8 -7.8 2.3 35 100 16570 100 16 -15.8 2.8 | 94 12 -12.3 1.0 36 97 16764 100 16 -15.8 2.8 | 94 12 -12.3 1.0 37 91 17069 100 14 -13.8 2.4 | 93 10 -10.3 0.6 38 87 17374 345 6 1.6 -5.8 | 326 9 5.0 -7.6 39 78 17983 5 14 -1.2 -13.9 | 352 16 2.3 -15.8 40 74 18288 100 14 -13.8 2.4 | 93 10 -10.3 0.6 41 70 18593 105 12 -11.6 3.1 | 99 8 -8.1 1.3 42 66 18898 145 14 -8.0 11.5 | 155 11 -4.5 9.6 43 62 19202 135 18 -12.7 12.7 | 140 14 -9.2 10.9 44 56 19812 315 2 1.4 -1.4 | 303 6 4.9 -3.2 45 53 20117 335 4 1.7 -3.6 | 316 8 5.2 -5.4 46 50 20422 25 10 -4.2 -9.1 | 4 11 -0.7 -10.9 47 47 20726 35 6 -3.4 -4.9 | 360 7 0.0 -6.7 48 45 21031 80 10 -9.8 -1.7 | 61 7 -6.4 -3.6 49 43 21336 55 18 -14.7 -10.3 | 43 17 -11.3 -12.1 50 40 21641 75 23 -22.2 -6.0 | 67 20 -18.7 -7.8 51 38 21946 65 16 -14.5 -6.8 | 52 14 -11.0 -8.6 52 34 22555 90 31 -31.0 0.0 | 86 28 -27.5 -1.8 53 29 23470 100 53 -52.2 9.2 | 99 49 -48.7 7.4 54 26 24079 105 45 -43.5 11.6 | 104 41 -40.0 9.8 55 23 24689 85 43 -42.8 -3.7 | 82 40 -39.3 -5.6 56 21 25298 100 49 -48.3 8.5 | 98 45 -44.8 6.7 57 11 28651 90 39 -39.0 0.0 | 87 36 -35.5 -1.8 Wind Parameters Mean winds (0-6000m): 87.6 at 5.3 knts Storm direction: 117.6 at 3.9 knts Shear (0-3000m) pos: 0.4 neg: 0.8 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): 72.6 deg Storm rel helicity (0-3000m) pos: 7.0 neg: -14.9 tot: -7.9 m^2/s^2 ave: -2.6 10^-3 m/s^2 rel: 0.04 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 0.4 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 924.43 Bulk Shear: 1.46 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 93 9 74 5| 0.0 7.0 7.0| 1.4 -1.7 -0.3 -0.6 0.29| 19.6 5.6 1000 93 6 60 3| 3.4 3.5 6.9| 1.5 -3.8 -2.4 -2.4 0.04| 13.5 0.6 1500 92 5 37 2| 0.9 2.3 3.2| 3.2 -3.8 -0.7 -0.5 0.21| 11.0 2.3 2000 103 6 80 3| 0.6 1.7 2.4| 7.0 -8.4 -1.3 -0.7 0.20| 10.7 2.1 2500 104 7 86 3| 0.5 1.2 1.6| 7.0 -12.2 -5.2 -2.1 0.11| 9.2 1.0 3000 104 7 86 3| 0.4 0.8 1.2| 7.0 -14.9 -7.9 -2.6 0.04| 8.2 0.4 4000 100 6 71 3| 0.3 0.6 1.0| 7.0 -15.7 -8.7 -2.2 0.02| 6.3 0.2 5000 94 6 54 3| 0.2 0.6 0.8| 7.0 -16.0 -8.9 -1.8 0.02| 5.1 0.1 6000 88 5 41 3| 0.2 0.5 0.7| 7.1 -16.2 -9.1 -1.5 0.02| 4.3 0.1 Wrote GIF file: /home/apache/climate/data/raob//MMVA/skewt/MMVA.skewt.20251018.12.gif