UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for WBGG... Searching the city database file for: WBGG ... Date:1200Z 7 DEC 25 Station: WBGG WMO ident: 96413 Latitude: 1.48 Longitude: 110.33 Elevation: 27.00 ------------------------------------------------------------------------------- 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 1006 27 26.6 24.6 89 2.0 25.2 300 1 299.2 302.8 298.1 356.9 19.71 1 1000 74 26.0 24.2 90 1.8 24.7 290 4 299.1 302.7 297.8 355.7 19.35 2 925 759 21.8 20.5 92 1.3 20.9 25 10 301.6 304.7 296.8 350.6 16.63 3 850 1490 17.2 17.2 100 0.0 17.2 5 10 304.2 306.9 296.1 347.9 14.68 4 746 2599 13.0 10.1 83 2.9 11.2 5 8 311.2 313.1 295.1 343.3 10.47 5 700 3133 10.0 8.4 90 1.6 9.0 355 11 313.6 315.5 295.4 344.4 9.94 6 683 3337 9.0 8.6 97 0.4 8.8 351 11 314.7 316.6 295.9 346.8 10.33 7 500 5860 -4.9 -4.9 100 0.0 -4.9 20 2 327.1 328.1 295.4 344.7 5.32 8 407 7448 -13.5 -13.5 100 0.0 -13.5 138 10 335.8 336.5 296.0 347.3 3.32 9 400 7580 -13.9 -13.9 100 0.0 -13.9 150 11 336.9 337.6 296.3 348.4 3.27 10 351 8559 -21.1 -23.3 82 2.2 -21.7 340.0 340.4 295.8 346.1 1.67 TRP WND Sounding variables and indices 1000-500 mb thick: 5786.00 m Freezing level: 564.51 mb = 4970.72 m = 16307.93 ft Wetbulb zero: 565.71 mb = 4861.31 m = 15948.99 ft Precipitable water: 2.59 inches Sfc-500 mean rel hum: 94.74 % Est. max temperature: 31.32 C = 88.38 F Sfc-Lift cond lev (LCL): 977.67 mb = 272.47 m = 893.90 ft T: 24.78 C 700-500 lapse rate: 5.46 C/km ThetaE index: 13.63 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 919.43 mb = 811.18 m = 2661.33 ft Mean mixing ratio: 17.76 g/kg Conv temperature: 29.15 C = 84.47 F Cap Strength: 0.62 C Lifted Index: -2.93 C Risk: Severe thunderstorms possible Lifted Index @700 mb: -1.33 C Showalter Index: -1.17 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.10 C Cross Totals Index: 22.10 C K Index: 37.70 Risk: > 80 % chance of thunderstorms Sweat Index: 228.40 Risk: None Energy Index: -0.72 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 546.17 J/kg Max Up Vert Vel: 33.05 m/s Conv Inhibition (B-): 2.94 J/kg Cap Strength: 0.62 C Lift Cond Lev (LCL): 935.46 mb = 660.25 m = 2166.15 ft Lev Free Conv (LFC): 900.46 mb = 991.50 m = 3252.90 ft Wind level data Storm motion: 30 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 1006 27 300 1 0.9 -0.5 | 219 7 4.2 5.2 1 1000 74 290 4 3.8 -1.4 | 238 8 7.1 4.4 2 974 305 350 7 1.2 -6.9 | 284 5 4.6 -1.1 3 941 610 15 10 -2.6 -9.7 | 349 4 0.8 -3.9 4 925 759 25 10 -4.2 -9.1 | 15 3 -0.9 -3.3 5 909 914 25 10 -4.2 -9.1 | 15 3 -0.9 -3.3 6 877 1219 20 9 -3.1 -8.5 | 354 3 0.3 -2.7 7 850 1490 5 10 -0.9 -10.0 | 330 5 2.5 -4.2 8 817 1829 10 9 -1.6 -8.9 | 330 4 1.8 -3.1 9 788 2134 10 9 -1.6 -8.9 | 330 4 1.8 -3.1 10 760 2438 5 9 -0.8 -9.0 | 322 4 2.6 -3.2 11 733 2743 5 8 -0.7 -8.0 | 310 3 2.6 -2.2 12 707 3048 360 10 -0.0 -10.0 | 322 5 3.3 -4.3 13 700 3133 355 11 1.0 -11.0 | 320 7 4.3 -5.2 14 656 3658 345 12 3.1 -11.6 | 312 9 6.4 -5.8 15 632 3962 335 9 3.8 -8.2 | 289 8 7.1 -2.4 16 609 4267 335 9 3.8 -8.2 | 289 8 7.1 -2.4 17 586 4572 345 11 2.8 -10.6 | 308 8 6.2 -4.9 18 564 4877 355 11 1.0 -11.0 | 320 7 4.3 -5.2 19 524 5486 25 7 -3.0 -6.3 | 327 1 0.4 -0.6 20 500 5860 20 2 -0.7 -1.9 | 215 5 2.7 3.9 21 485 6096 15 1 -0.3 -1.0 | 213 6 3.1 4.8 22 400 7580 150 11 -5.5 9.5 | 172 15 -2.2 15.3 23 398 7620 150 10 -5.0 8.7 | 173 15 -1.7 14.4 Wind Parameters Mean winds (0-6000m): 0.2 at 8.9 knts Storm direction: 30.2 at 6.6 knts Shear (0-3000m) pos: 1.6 neg: 0.8 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 102.7 deg Storm rel helicity (0-3000m) pos: 20.9 neg: -3.7 tot: 17.2 m^2/s^2 ave: 5.7 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 1.9 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 420.54 Bulk Shear: 1.30 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 ------------------------------------------------------------------------------- 500 346 6 275 5| 9.1 0.0 9.1| 17.0 0.0 17.0 34.0 0.89| 12.7 11.3 1000 9 8 317 3| 4.9 0.0 4.9| 20.0 -0.3 19.6 19.6 0.86| 8.2 7.0 1500 11 9 328 3| 3.3 1.0 4.3| 20.0 -2.4 17.6 11.7 0.59| 6.6 3.9 2000 11 9 329 3| 2.3 0.8 3.1| 20.0 -2.4 17.6 8.8 0.56| 5.3 2.9 2500 10 9 328 3| 1.9 0.8 2.6| 20.0 -3.2 16.8 6.7 0.49| 4.4 2.2 3000 9 9 326 4| 1.6 0.8 2.4| 20.9 -3.7 17.2 5.7 0.45| 4.1 1.9 4000 2 9 320 5| 1.2 1.1 2.2| 20.9 -13.2 7.7 1.9 0.20| 4.0 0.8 5000 358 9 316 5| 1.4 0.8 2.2| 30.0 -13.2 16.8 3.4 0.30| 3.8 1.1 6000 0 9 313 5| 1.1 1.0 2.1| 30.6 -14.4 16.1 2.7 0.18| 4.1 0.7 Wrote GIF file: /home/apache/climate/data/raob//WBGG/skewt/WBGG.skewt.20251207.12.gif