UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for WBGG... Searching the city database file for: WBGG ... Date:1200Z 18 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 1004 27 29.4 25.2 78 4.2 26.3 360 4 302.2 306.0 299.3 363.0 20.50 1 1000 55 29.0 24.8 78 4.2 25.9 340 5 302.1 305.8 299.0 361.7 20.08 2 997 82 28.2 24.2 79 4.0 25.2 343 6 301.6 305.2 298.5 359.0 19.41 3 941 594 24.2 19.9 77 4.3 21.1 15 10 302.6 305.5 296.4 349.1 15.73 4 925 744 23.0 20.3 85 2.7 21.1 20 8 302.8 305.9 297.0 351.5 16.42 5 909 896 21.8 20.4 92 1.4 20.8 20 6 303.1 306.2 297.3 353.0 16.83 6 860 1378 20.0 18.2 89 1.8 18.8 271 5 306.1 309.0 297.2 352.5 15.48 7 850 1479 19.6 17.0 85 2.6 17.8 255 7 306.7 309.4 296.7 350.3 14.49 8 785 2162 16.0 14.2 89 1.8 14.8 265 14 309.9 312.3 296.6 349.8 13.09 9 748 2572 14.2 11.1 82 3.1 12.1 265 19 312.2 314.4 295.9 346.6 11.17 10 700 3131 11.0 7.8 81 3.2 9.0 265 17 314.7 316.5 295.4 344.4 9.54 11 563 4915 0.6 -2.6 79 3.2 -1.1 274 6 322.6 323.7 294.6 340.9 5.62 12 513 5657 -3.3 -5.0 88 1.7 -4.1 256 9 326.6 327.6 295.2 343.7 5.15 13 500 5860 -4.3 -6.4 85 2.1 -5.3 250 13 327.8 328.7 295.2 343.6 4.74 14 421 7192 -12.7 -13.7 92 1.0 -13.1 151 8 333.6 334.2 295.4 344.5 3.16 15 400 7580 -15.1 -16.1 92 1.0 -15.4 115 6 335.4 335.9 295.5 344.9 2.72 16 392 7733 -15.9 -16.6 94 0.7 -16.2 110 6 336.3 336.8 295.7 345.6 2.66 17 371 8146 -18.1 -20.0 85 1.9 -18.7 108 7 338.7 339.1 295.8 346.2 2.11 18 336 8879 -23.3 -25.8 80 2.5 -23.9 106 9 341.3 341.6 295.8 346.4 1.39 19 326 9099 -24.5 -29.5 63 5.0 -25.6 105 10 342.6 342.8 295.8 346.5 1.02 20 321 9212 -25.3 -33.3 47 8.0 -26.8 104 10 343.0 343.2 295.7 345.8 0.72 21 315 9349 -26.1 -37.1 35 11.0 -27.9 101 11 343.8 343.9 295.7 345.7 0.50 22 300 9700 -28.5 -40.5 31 12.0 -30.2 95 12 345.2 345.3 295.9 346.7 0.37 23 251 10953 -39.1 -42.7 69 3.6 -39.5 119 20 347.5 347.6 296.4 349.0 0.35 24 250 10980 -39.3 -42.9 69 3.6 -39.6 120 20 347.6 347.7 296.4 349.0 0.35 25 228 11605 -44.1 -51.1 46 7.0 -44.5 120 25 349.6 349.6 296.7 350.2 0.15 26 223 11753 -45.3 -56.3 28 11.0 -45.8 120 26 350.0 350.0 296.7 350.3 0.08 27 200 12470 -51.9 -68.9 11 17.0 -52.2 120 32 350.6 350.6 296.8 350.7 0.02 28 150 14260 -68.9 -81.9 14 13.0 -68.9 130 38 351.4 351.4 297.0 351.4 0.00 29 142 14586 -71.3 -84.3 13 13.0 -71.3 127 38 352.8 352.8 297.3 352.8 0.00 30 137 14798 -71.7 -86.7 9 15.0 -71.8 125 39 355.7 355.7 297.8 355.7 0.00 31 128 15196 -74.7 -90.7 7 16.0 -74.7 121 39 357.3 357.3 298.1 357.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5805.00 m Freezing level: 555.31 mb = 5029.19 m = 16499.75 ft Wetbulb zero: 577.86 mb = 4701.56 m = 15424.88 ft Precipitable water: 2.51 inches Sfc-500 mean rel hum: 82.95 % Est. max temperature: 33.63 C = 92.54 F Sfc-Lift cond lev (LCL): 945.33 mb = 552.91 m = 1813.98 ft T: 24.52 C 700-500 lapse rate: 5.61 C/km ThetaE index: 13.89 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 858.12 mb = 1396.68 m = 4582.23 ft Mean mixing ratio: 17.29 g/kg Conv temperature: 33.38 C = 92.09 F Cap Strength: 1.01 C Lifted Index: -2.62 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.04 C Lifted Index @700 mb: -0.56 C Showalter Index: -1.45 C Risk: Thunderstorms probable Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 21.30 C K Index: 37.70 Risk: > 80 % chance of thunderstorms Sweat Index: 231.00 Risk: None Energy Index: -1.36 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 969.21 J/kg Max Up Vert Vel: 44.03 m/s Conv Inhibition (B-): 40.71 J/kg Cap Strength: 1.02 C Lift Cond Lev (LCL): 906.11 mb = 924.08 m = 3031.71 ft Lev Free Conv (LFC): 731.11 mb = 2764.70 m = 9070.41 ft Equ Level (EL): 141.11 mb = 14623.17 m = 47975.70 ft B at Equ Level: 964.92 J/kg Wind level data Storm motion: 300 at 8 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 1004 27 360 4 -0.0 -4.0 | 91 7 -7.2 0.2 1 1000 55 340 5 1.7 -4.7 | 84 5 -5.5 -0.5 2 972 305 10 12 -2.1 -11.8 | 50 12 -9.3 -7.6 3 939 610 15 10 -2.6 -9.7 | 61 11 -9.8 -5.5 4 925 744 20 8 -2.7 -7.5 | 71 10 -9.9 -3.3 5 907 914 20 6 -2.1 -5.6 | 81 9 -9.2 -1.5 6 876 1219 295 3 2.7 -1.3 | 123 5 -4.5 2.9 7 850 1479 255 7 6.8 1.8 | 176 6 -0.4 6.0 8 816 1829 255 11 10.6 2.8 | 206 8 3.4 7.0 9 787 2134 265 14 13.9 1.2 | 231 9 6.8 5.4 10 759 2438 265 17 16.9 1.5 | 240 11 9.8 5.6 11 733 2743 265 21 20.9 1.8 | 246 15 13.7 6.0 12 707 3048 265 19 18.9 1.7 | 244 13 11.7 5.8 13 700 3131 265 17 16.9 1.5 | 240 11 9.8 5.6 14 656 3658 270 14 14.0 -0.0 | 239 8 6.8 4.2 15 632 3962 260 14 13.8 2.4 | 225 9 6.6 6.6 16 608 4267 245 11 10.0 4.6 | 198 9 2.8 8.8 17 586 4572 255 8 7.7 2.1 | 185 6 0.5 6.2 18 564 4877 275 6 6.0 -0.5 | 162 4 -1.2 3.6 19 524 5486 260 6 5.9 1.0 | 166 5 -1.3 5.2 20 500 5860 250 13 12.2 4.4 | 210 10 5.0 8.6 21 485 6096 250 13 12.2 4.4 | 210 10 5.0 8.6 22 400 7580 115 6 -5.4 2.5 | 118 14 -12.6 6.7 23 398 7620 110 6 -5.6 2.1 | 116 14 -12.8 6.2 24 324 9144 105 10 -9.7 2.6 | 112 18 -16.8 6.8 25 300 9700 95 12 -12.0 1.0 | 105 20 -19.1 5.2 26 261 10668 110 20 -18.8 6.8 | 113 28 -26.0 11.0 27 250 10980 120 20 -17.3 10.0 | 120 28 -24.5 14.2 28 209 12192 120 30 -26.0 15.0 | 120 38 -33.2 19.2 29 200 12470 120 32 -27.7 16.0 | 120 40 -34.9 20.2 30 164 13716 125 36 -29.5 20.6 | 124 44 -36.7 24.8 31 150 14260 130 38 -29.1 24.4 | 128 46 -36.3 28.6 32 126 15240 120 39 -33.8 19.5 | 120 47 -41.0 23.7 33 100 16580 245 24 21.8 10.1 | 226 20 14.6 14.3 Wind Parameters Mean winds (0-6000m): 270.1 at 11.1 knts Storm direction: 300.1 at 8.3 knts Shear (0-3000m) pos: 1.8 neg: 2.8 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 152.5 deg Storm rel helicity (0-3000m) pos: 49.6 neg: -11.5 tot: 38.1 m^2/s^2 ave: 12.7 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 3.2 10^-3/s Energy-Hel index: 0.23 Bulk Rich Number: 31.27 Bulk Shear: 30.99 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 6 9 58 10| 6.9 0.0 6.9| 4.2 -9.4 -5.2 -10.4 -0.34| 11.0 -3.8 1000 11 9 64 10| 3.5 3.3 6.8| 16.6 -9.4 7.3 7.3 0.05| 9.5 0.5 1500 359 7 66 8| 2.3 5.4 7.7| 27.8 -9.4 18.5 12.3 0.34| 9.7 3.3 2000 324 8 46 3| 1.8 4.0 5.8| 38.1 -9.4 28.8 14.4 0.43| 8.8 3.8 2500 297 10 275 1| 2.2 3.2 5.4| 46.3 -9.4 36.9 14.8 0.46| 8.1 3.7 3000 284 11 249 4| 1.8 2.8 4.6| 49.6 -11.5 38.1 12.7 0.42| 7.5 3.2 4000 277 12 241 6| 1.1 2.3 3.4| 49.6 -21.7 27.9 7.0 0.27| 6.7 1.8 5000 273 12 231 6| 1.1 1.5 2.6| 49.7 -35.5 14.2 2.8 0.12| 6.4 0.8 6000 270 11 223 6| 0.9 1.8 2.8| 59.0 -35.5 23.6 3.9 0.18| 6.1 1.1 Wrote GIF file: /home/apache/climate/data/raob//WBGG/skewt/WBGG.skewt.20251218.12.gif