UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for MMVA... Searching the city database file for: MMVA ... Date:1200Z 8 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 1012 10 25.8 20.8 74 5.0 22.3 355 2 297.9 300.7 295.0 342.8 15.46 1 1000 119 24.6 23.9 96 0.7 24.1 15 12 297.8 301.2 297.3 352.9 19.00 2 925 796 21.8 20.1 90 1.7 20.6 45 10 301.6 304.6 296.5 349.4 16.22 3 850 1523 17.0 14.9 87 2.1 15.6 5 8 304.0 306.3 294.7 341.5 12.64 4 700 3160 8.4 4.7 77 3.7 6.2 65 10 311.8 313.2 293.2 335.5 7.67 5 500 5870 -4.9 -32.9 9 28.0 -11.8 65 4 327.1 327.2 291.4 328.8 0.48 6 400 7590 -16.1 -45.1 6 29.0 -20.5 290 12 334.1 334.1 293.0 334.7 0.17 7 300 9690 -31.7 -54.7 8 23.0 -33.5 220 14 340.7 340.7 294.6 341.0 0.08 8 250 10950 -41.7 -59.7 12 18.0 -42.5 215 27 344.1 344.1 295.3 344.3 0.05 9 200 12420 -53.7 -68.7 14 15.0 -54.0 235 31 347.7 347.7 296.1 347.8 0.02 10 150 14220 -66.9 -77.9 20 11.0 -67.0 245 41 354.8 354.8 297.7 354.9 0.01 11 100 16580 -80.5 -88.5 25 8.0 -80.5 250 29 372.2 372.2 300.9 372.2 0.00 TRP 100 16580 -80.5 -88.5 25 8.0 -80.5 250 29 372.2 372.2 300.9 372.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5751.00 m Freezing level: 573.68 mb = 4871.58 m = 15982.68 ft Wetbulb zero: 630.95 mb = 3996.46 m = 13111.58 ft Precipitable water: 1.97 inches Sfc-500 mean rel hum: 65.73 % Est. max temperature: 31.46 C = 88.62 F Sfc-Lift cond lev (LCL): 941.03 mb = 646.78 m = 2121.94 ft T: 22.42 C 700-500 lapse rate: 4.91 C/km ThetaE index: 24.09 C Layer 925.0- 400.0 mb Conv cond level (CCL): 910.79 mb = 929.10 m = 3048.18 ft Mean mixing ratio: 17.33 g/kg Conv temperature: 29.92 C = 85.85 F Cap Strength: 0.95 C Lifted Index: -2.14 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.59 C Lifted Index @700 mb: -2.34 C Showalter Index: 1.23 C Risk: Showers probable Total Totals Index: 41.70 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 19.80 C K Index: 33.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 198.80 Risk: None Energy Index: -2.41 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1143.57 J/kg Max Up Vert Vel: 47.82 m/s Conv Inhibition (B-): 10.49 J/kg Cap Strength: 0.95 C Lift Cond Lev (LCL): 941.69 mb = 640.74 m = 2102.15 ft Lev Free Conv (LFC): 876.69 mb = 1257.21 m = 4124.66 ft Equ Level (EL): 176.69 mb = 13195.47 m = 43291.68 ft B at Equ Level: 1136.85 J/kg Wind level data Storm motion: 72 at 6 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 1012 10 355 2 0.2 -2.0 | 271 6 5.9 -0.1 1 1000 119 15 12 -3.1 -11.6 | 345 10 2.6 -9.7 2 945 610 60 10 -8.7 -5.0 | 43 4 -2.9 -3.1 3 925 796 45 10 -7.1 -7.1 | 15 5 -1.3 -5.2 4 912 914 5 8 -0.7 -8.0 | 320 8 5.0 -6.1 5 881 1219 355 8 0.7 -8.0 | 313 9 6.4 -6.1 6 850 1523 5 8 -0.7 -8.0 | 320 8 5.0 -6.1 7 850 1524 5 8 -0.7 -8.0 | 320 8 5.0 -6.1 8 820 1829 355 8 0.7 -8.0 | 313 9 6.4 -6.1 9 791 2134 30 10 -5.0 -8.7 | 354 7 0.7 -6.7 10 763 2438 35 10 -5.7 -8.2 | 0 6 -0.0 -6.3 11 735 2743 70 8 -7.5 -2.7 | 65 2 -1.8 -0.8 12 709 3048 45 8 -5.7 -5.7 | 359 4 0.1 -3.7 13 700 3160 65 10 -9.1 -4.2 | 55 4 -3.3 -2.3 14 658 3658 60 10 -8.7 -5.0 | 43 4 -2.9 -3.1 15 610 4267 130 6 -4.6 3.9 | 191 6 1.1 5.8 16 587 4572 65 8 -7.3 -3.4 | 46 2 -1.5 -1.5 17 566 4877 35 8 -4.6 -6.6 | 346 5 1.1 -4.6 18 545 5182 15 6 -1.6 -5.8 | 313 6 4.2 -3.9 19 524 5486 30 4 -2.0 -3.5 | 293 4 3.7 -1.6 20 505 5791 70 4 -3.8 -1.4 | 255 2 2.0 0.5 21 500 5870 65 4 -3.6 -1.7 | 264 2 2.1 0.2 22 486 6096 25 4 -1.7 -3.6 | 293 4 4.0 -1.7 23 467 6401 90 6 -6.0 0.0 | 172 2 -0.3 1.9 24 449 6706 90 6 -6.0 0.0 | 172 2 -0.3 1.9 25 431 7010 345 4 1.0 -3.9 | 286 7 6.8 -2.0 26 400 7590 290 12 11.3 -4.1 | 277 17 17.0 -2.2 27 398 7620 290 14 13.2 -4.8 | 279 19 18.9 -2.9 28 382 7925 300 8 6.9 -4.0 | 279 13 12.7 -2.1 29 366 8230 230 8 6.1 5.1 | 239 14 11.9 7.1 30 351 8534 215 12 6.9 9.8 | 227 17 12.6 11.7 31 323 9144 260 12 11.8 2.1 | 257 18 17.6 4.0 32 300 9690 220 14 9.0 10.7 | 229 19 14.7 12.6 33 297 9754 215 14 8.0 11.5 | 226 19 13.8 13.4 34 250 10950 215 27 15.5 22.1 | 221 32 21.2 24.0 35 217 11887 210 31 15.5 26.8 | 216 36 21.2 28.8 36 200 12420 235 31 25.4 17.8 | 238 37 31.1 19.7 37 188 12802 240 35 30.3 17.5 | 242 41 36.0 19.4 38 155 14021 245 43 39.0 18.2 | 246 49 44.7 20.1 39 150 14220 245 41 37.2 17.3 | 246 47 42.9 19.2 40 133 14935 245 31 28.1 13.1 | 246 37 33.8 15.0 41 100 16580 250 29 27.3 9.9 | 250 35 33.0 11.8 42 97 16764 250 29 27.3 9.9 | 250 35 33.0 11.8 43 92 17069 255 19 18.4 4.9 | 254 25 24.1 6.8 44 82 17678 295 12 10.9 -5.1 | 281 17 16.6 -3.2 45 78 17983 110 8 -7.5 2.7 | 159 5 -1.8 4.6 46 70 18593 200 6 2.1 5.6 | 226 11 7.8 7.5 47 66 18898 160 12 -4.1 11.3 | 187 13 1.6 13.2 48 59 19507 80 10 -9.8 -1.7 | 92 4 -4.1 0.2 49 56 19812 165 8 -2.1 7.7 | 201 10 3.7 9.6 50 53 20117 140 2 -1.3 1.5 | 232 6 4.4 3.4 51 50 20422 125 2 -1.6 1.1 | 233 5 4.1 3.1 52 47 20726 70 4 -3.8 -1.4 | 255 2 2.0 0.5 53 45 21031 25 6 -2.5 -5.4 | 318 5 3.2 -3.5 54 43 21336 130 6 -4.6 3.9 | 191 6 1.1 5.8 55 40 21641 275 8 8.0 -0.7 | 265 14 13.7 1.2 56 36 22250 350 14 2.4 -13.8 | 325 14 8.2 -11.9 57 34 22555 355 12 1.0 -12.0 | 326 12 6.8 -10.0 58 32 22860 45 10 -7.1 -7.1 | 15 5 -1.3 -5.2 59 29 23470 95 14 -13.9 1.2 | 111 9 -8.2 3.1 60 26 24079 115 16 -14.5 6.8 | 135 12 -8.8 8.7 61 25 24384 135 8 -5.7 5.7 | 181 8 0.1 7.6 62 23 24689 125 12 -9.8 6.9 | 155 10 -4.1 8.8 63 22 24994 135 12 -8.5 8.5 | 165 11 -2.7 10.4 64 21 25298 270 2 2.0 -0.0 | 256 8 7.7 1.9 65 20 25603 350 4 0.7 -3.9 | 288 7 6.4 -2.0 66 19 25908 235 6 4.9 3.4 | 243 12 10.7 5.4 67 18 26213 235 4 3.3 2.3 | 245 10 9.0 4.2 68 17 26518 345 6 1.6 -5.8 | 298 8 7.3 -3.9 69 16 26822 345 25 6.5 -24.1 | 331 25 12.2 -22.2 70 13 27737 20 4 -1.4 -3.8 | 293 5 4.4 -1.8 71 13 28042 325 2 1.1 -1.6 | 268 7 6.9 0.3 72 12 28346 175 4 -0.3 4.0 | 222 8 5.4 5.9 73 11 28651 185 4 0.3 4.0 | 226 8 6.1 5.9 74 11 28956 210 8 4.0 6.9 | 228 13 9.7 8.8 75 10 29261 285 12 11.6 -3.1 | 274 17 17.3 -1.2 76 10 29566 340 27 9.2 -25.4 | 327 28 15.0 -23.5 77 9 29870 15 21 -5.4 -20.3 | 359 18 0.3 -18.4 Wind Parameters Mean winds (0-6000m): 41.6 at 8.1 knts Storm direction: 71.6 at 6.0 knts Shear (0-3000m) pos: 2.4 neg: 1.4 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 92.9 deg Storm rel helicity (0-3000m) pos: 45.6 neg: -18.1 tot: 27.5 m^2/s^2 ave: 9.2 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 2.5 10^-3/s Energy-Hel index: 0.26 Bulk Rich Number: 935.65 Bulk Shear: 1.22 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 29 10 354 7| 9.7 0.0 9.7| 26.0 0.0 26.0 52.0 0.88| 18.0 15.8 1000 34 10 357 6| 4.9 4.1 8.9| 27.7 -13.1 14.6 14.6 0.27| 14.9 4.1 1500 23 9 342 7| 3.3 2.7 6.1| 29.8 -14.6 15.1 10.1 0.26| 10.7 2.8 2000 18 9 336 7| 3.0 2.0 5.1| 36.4 -16.6 19.7 9.9 0.29| 9.2 2.7 2500 21 9 340 7| 3.1 1.6 4.7| 43.3 -16.6 26.7 10.7 0.35| 8.3 2.9 3000 27 9 345 6| 2.4 1.4 3.8| 45.6 -18.1 27.5 9.2 0.31| 8.1 2.5 4000 37 9 358 5| 2.1 1.0 3.1| 54.1 -18.9 35.2 8.8 0.41| 7.4 3.0 5000 42 9 2 5| 1.7 1.6 3.2| 57.2 -27.1 30.1 6.0 0.21| 7.6 1.6 6000 42 8 355 4| 1.5 1.3 2.8| 58.1 -32.5 25.6 4.3 0.14| 7.1 1.0 Wrote GIF file: /home/apache/climate/data/raob//MMVA/skewt/MMVA.skewt.20251208.12.gif