UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122812.upa.cvt Date: 1200Z 28 DEC 25 Searching for WBKK... Searching the city database file for: WBKK ... Date:1200Z 28 DEC 25 Station: WBKK WMO ident: 96471 Latitude: 5.93 Longitude: 116.05 Elevation: 3.00 ------------------------------------------------------------------------------- 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 1010 3 26.0 23.9 88 2.1 24.5 110 5 298.3 301.7 297.3 353.0 18.80 1 1000 86 25.4 24.7 96 0.7 24.9 95 10 298.5 302.2 298.1 356.8 19.96 2 983 238 25.6 23.6 89 2.0 24.2 61 9 300.2 303.7 297.9 355.9 18.98 3 925 772 22.0 20.4 91 1.6 20.9 360 9 301.8 304.8 296.7 350.6 16.53 4 850 1504 18.6 16.5 88 2.1 17.2 330 4 305.6 308.2 296.1 347.7 14.03 5 771 2337 14.6 12.6 88 2.0 13.3 94 2 310.0 312.2 295.8 346.5 11.98 6 700 3151 11.0 8.3 83 2.7 9.3 5 1 314.7 316.6 295.6 345.4 9.87 7 691 3259 10.4 8.5 88 1.9 9.2 37 1 315.2 317.1 295.9 346.8 10.14 8 591 4544 2.2 2.2 100 0.0 2.2 73 8 320.0 321.5 295.4 344.4 7.62 9 505 5801 -4.3 -4.3 100 0.0 -4.3 136 9 326.9 328.0 295.6 345.1 5.52 10 500 5880 -4.7 -4.7 100 0.0 -4.7 135 9 327.3 328.4 295.6 345.2 5.41 11 400 7600 -15.1 -15.1 100 0.0 -15.1 125 14 335.4 336.0 295.7 345.7 2.96 12 392 7753 -16.1 -16.4 98 0.3 -16.2 124 14 336.0 336.6 295.6 345.5 2.71 13 376 8065 -17.9 -20.6 79 2.7 -18.7 122 13 337.6 338.1 295.4 344.7 1.97 14 349 8620 -20.9 -25.8 65 4.9 -22.2 119 11 340.9 341.1 295.7 345.8 1.34 15 316 9346 -26.3 -33.3 52 7.0 -27.6 113 11 343.2 343.3 295.7 346.0 0.73 16 313 9415 -26.9 -37.9 35 11.0 -28.6 113 11 343.3 343.4 295.6 345.1 0.47 17 300 9720 -29.3 -41.3 30 12.0 -30.9 110 13 344.1 344.2 295.6 345.4 0.34 18 294 9864 -30.5 -43.5 27 13.0 -32.1 109 13 344.4 344.4 295.6 345.5 0.28 19 250 11000 -39.1 -42.7 69 3.6 -39.5 95 21 347.9 348.0 296.5 349.4 0.35 20 237 11364 -41.9 -44.9 72 3.0 -42.2 349.1 349.1 296.7 350.3 0.29 TRP WND Sounding variables and indices 1000-500 mb thick: 5794.00 m Freezing level: 561.89 mb = 4969.41 m = 16303.62 ft Wetbulb zero: 562.07 mb = 4945.10 m = 16223.87 ft Precipitable water: 2.62 inches Sfc-500 mean rel hum: 92.21 % Est. max temperature: 32.82 C = 91.08 F Sfc-Lift cond lev (LCL): 980.07 mb = 263.85 m = 865.63 ft T: 25.42 C 700-500 lapse rate: 5.75 C/km ThetaE index: 11.37 C Layer 983.0- 691.0 mb Conv cond level (CCL): 915.04 mb = 865.73 m = 2840.28 ft Mean mixing ratio: 17.96 g/kg Conv temperature: 30.01 C = 86.01 F Cap Strength: 0.78 C Lifted Index: -2.96 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.78 C Lifted Index @700 mb: -0.50 C Showalter Index: -0.91 C Risk: Thunderstorms probable Total Totals Index: 44.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 21.20 C K Index: 37.10 Risk: > 80 % chance of thunderstorms Sweat Index: 215.00 Risk: None Energy Index: -0.56 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 846.65 J/kg Max Up Vert Vel: 41.15 m/s Conv Inhibition (B-): 11.07 J/kg Cap Strength: 0.78 C Lift Cond Lev (LCL): 936.98 mb = 658.88 m = 2161.66 ft Lev Free Conv (LFC): 841.98 mb = 1584.93 m = 5199.82 ft Wind level data Storm motion: 102 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 1010 3 110 5 -4.7 1.7 | 141 1 -0.7 0.9 1 1000 86 95 10 -10.0 0.9 | 90 6 -6.0 0.0 2 975 305 45 9 -6.4 -6.4 | 18 8 -2.4 -7.2 3 942 610 10 9 -1.6 -8.9 | 346 10 2.4 -9.7 4 925 772 360 9 -0.0 -9.0 | 338 11 4.0 -9.9 5 910 914 355 8 0.7 -8.0 | 332 10 4.7 -8.8 6 878 1219 350 6 1.0 -5.9 | 323 8 5.0 -6.8 7 850 1504 330 4 2.0 -3.5 | 306 7 6.0 -4.3 8 818 1829 345 3 0.8 -2.9 | 308 6 4.8 -3.8 9 789 2134 65 1 -0.9 -0.4 | 292 3 3.1 -1.3 10 761 2438 110 2 -1.9 0.7 | 275 2 2.1 -0.2 11 734 2743 345 1 0.3 -1.0 | 293 5 4.3 -1.8 12 709 3048 350 2 0.3 -2.0 | 303 5 4.3 -2.8 13 700 3151 5 1 -0.1 -1.0 | 295 4 3.9 -1.8 14 658 3658 160 3 -1.0 2.8 | 236 4 3.0 2.0 15 633 3962 195 1 0.3 1.0 | 268 4 4.3 0.1 16 610 4267 60 4 -3.5 -2.0 | 349 3 0.5 -2.9 17 588 4572 75 9 -8.7 -2.3 | 56 6 -4.7 -3.2 18 566 4877 85 10 -10.0 -0.9 | 74 6 -6.0 -1.7 19 525 5486 140 9 -5.8 6.9 | 163 6 -1.8 6.0 20 500 5880 135 9 -6.4 6.4 | 157 6 -2.4 5.5 21 486 6096 135 9 -6.4 6.4 | 157 6 -2.4 5.5 22 400 7600 125 14 -11.5 8.0 | 134 10 -7.5 7.2 23 399 7620 125 14 -11.5 8.0 | 134 10 -7.5 7.2 24 324 9144 115 10 -9.1 4.2 | 124 6 -5.1 3.4 25 300 9720 110 13 -12.2 4.4 | 114 9 -8.2 3.6 26 262 10668 105 16 -15.5 4.1 | 106 12 -11.5 3.3 27 250 11000 95 21 -20.9 1.8 | 93 17 -16.9 1.0 Wind Parameters Mean winds (0-6000m): 72.1 at 5.4 knts Storm direction: 102.1 at 4.1 knts Shear (0-3000m) pos: 0.9 neg: 1.9 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 161.1 deg Storm rel helicity (0-3000m) pos: 2.4 neg: -42.8 tot: -40.4 m^2/s^2 ave: -13.5 10^-3 m/s^2 rel: -0.62 Storm rel vorticity (0-3000m) horiz: 6.2 stream: -3.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 444.81 Bulk Shear: 1.90 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 60 9 36 7| 0.0 10.4 10.4| 0.0 -21.0 -21.0 -41.9 -0.82| 17.8-14.7 1000 31 9 3 8| 0.0 5.5 5.5| 0.0 -33.2 -33.2 -33.2 -0.84| 11.6 -9.7 1500 18 8 349 8| 0.0 2.9 2.9| 0.0 -40.7 -40.7 -27.1 -0.84| 9.1 -7.7 2000 14 7 341 8| 0.9 2.2 3.1| 1.0 -40.9 -39.9 -20.0 -0.72| 7.8 -5.6 2500 16 6 339 7| 1.0 1.7 2.8| 1.4 -42.2 -40.8 -16.3 -0.69| 6.9 -4.7 3000 16 5 334 6| 0.9 1.9 2.8| 2.4 -42.8 -40.4 -13.5 -0.62| 6.2 -3.8 4000 20 4 331 5| 1.0 1.4 2.4| 4.4 -44.5 -40.1 -10.0 -0.52| 5.8 -3.0 5000 42 5 349 4| 1.2 1.1 2.3| 15.5 -44.9 -29.4 -5.9 -0.21| 6.2 -1.3 6000 72 5 25 3| 1.4 1.0 2.3| 26.2 -46.1 -19.9 -3.3 -0.09| 5.8 -0.5 Wrote GIF file: /home/apache/climate/data/raob//WBKK/skewt/WBKK.skewt.20251228.12.gif