UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1200Z 1 DEC 25 Station: VH004 WMO ident: 45004 Latitude: 22.32 Longitude: 114.17 ------------------------------------------------------------------------------- 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 67 22.4 18.0 76 4.4 19.4 0 0 295.0 297.4 292.3 332.4 13.01 1 1000 119 22.6 17.6 73 5.0 19.2 105 1 295.8 298.0 292.4 332.4 12.76 2 925 793 18.6 14.2 76 4.4 15.7 85 9 298.3 300.3 291.9 330.6 11.07 3 918 858 18.4 13.4 73 5.0 15.2 85 9 298.8 300.7 291.6 329.7 10.58 4 850 1517 15.0 14.3 96 0.7 14.6 120 1 301.9 304.1 293.7 337.7 12.15 5 837 1648 14.0 14.0 100 0.0 14.0 148 2 302.1 304.4 293.8 337.8 12.10 6 783 2211 12.8 6.8 67 6.0 9.2 255 8 306.7 308.2 291.9 330.7 7.94 7 765 2406 12.2 8.2 77 4.0 9.7 255 10 308.1 309.8 293.2 335.3 8.96 8 707 3062 6.6 5.7 94 0.9 6.1 255 19 308.9 310.4 292.7 333.8 8.15 9 700 3144 6.8 3.6 80 3.2 5.0 255 19 310.0 311.4 292.2 331.9 7.10 10 660 3627 7.8 -27.2 6 35.0 -2.9 255 25 316.4 316.5 288.3 318.6 0.62 11 538 5278 -2.1 -37.1 5 35.0 -10.1 275 32 323.6 323.7 290.2 324.7 0.29 12 518 5579 -1.1 -47.1 2 46.0 -10.1 287 33 328.4 328.4 291.4 328.8 0.11 13 500 5860 -2.9 -45.9 2 43.0 -11.2 290 31 329.5 329.5 291.7 330.0 0.13 14 453 6639 -5.9 -48.9 2 43.0 -13.6 296 29 335.2 335.2 293.2 335.6 0.10 15 400 7600 -13.9 -49.9 3 36.0 -19.2 280 35 336.9 336.9 293.7 337.3 0.10 16 350 8597 -21.1 -42.1 13 21.0 -24.4 266 36 340.3 340.4 294.7 341.4 0.27 17 306 9570 -29.9 -50.9 11 21.0 -31.9 278 40 341.3 341.3 294.7 341.8 0.12 18 300 9710 -31.1 -45.1 24 14.0 -32.6 280 40 341.5 341.6 294.9 342.5 0.23 19 289 9973 -33.3 -45.3 29 12.0 -34.6 283 42 342.1 342.1 295.0 343.0 0.23 20 278 10243 -35.7 -54.7 12 19.0 -37.0 286 43 342.4 342.4 295.0 342.8 0.08 21 266 10548 -38.7 -51.7 24 13.0 -39.6 290 45 342.4 342.4 295.0 342.9 0.12 22 262 10651 -39.5 -43.8 64 4.3 -39.9 291 46 342.7 342.8 295.3 343.9 0.30 23 259 10730 -39.7 -49.7 34 10.0 -40.4 292 46 343.6 343.6 295.3 344.2 0.16 24 250 10970 -41.7 -52.7 29 11.0 -42.3 295 48 344.1 344.1 295.4 344.5 0.12 25 226 11649 -46.7 -60.7 19 14.0 -47.2 302 51 346.5 346.5 295.9 346.7 0.05 26 200 12450 -52.9 -66.9 17 14.0 -53.2 310 54 349.0 349.0 296.4 349.1 0.02 27 164 13697 -62.7 -75.7 16 13.0 -62.8 310 40 352.9 352.9 297.3 353.0 0.01 28 151 14200 -66.1 -78.1 17 12.0 -66.2 282 28 355.5 355.5 297.8 355.6 0.01 29 150 14240 -66.3 -78.3 17 12.0 -66.4 280 27 355.9 355.9 297.9 355.9 0.01 30 126 15275 -75.9 -80.5 48 4.6 -75.9 251 30 356.7 356.7 298.1 356.7 0.00 31 105 16329 -76.3 -90.3 9 14.0 -76.3 301 44 375.0 375.0 301.4 375.0 0.00 32 100 16610 -78.1 -91.1 10 13.0 -78.1 265 25 376.8 376.8 301.7 376.8 0.00 33 81 17800 -83.5 -91.5 23 8.0 -83.5 275 19 389.2 389.2 303.6 389.2 0.00 34 70 18620 -80.3 -89.3 21 9.0 -80.3 230 9 412.6 412.6 306.8 412.6 0.00 35 56 19907 -72.3 -88.3 7 16.0 -72.4 261 16 458.0 458.0 311.6 458.0 0.00 36 55 20012 -72.9 -88.9 7 16.0 -73.0 270 16 459.0 459.0 311.7 459.0 0.00 TRP 81 17800 -83.5 -91.5 23 8.0 -83.5 275 19 389.2 389.2 303.6 389.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5741.00 m Freezing level: 563.88 mb = 4927.89 m = 16167.43 ft Wetbulb zero: 674.71 mb = 3445.99 m = 11305.59 ft Precipitable water: 1.37 inches Sfc-500 mean rel hum: 47.88 % Est. max temperature: 28.94 C = 84.10 F Sfc-Lift cond lev (LCL): 943.14 mb = 625.09 m = 2050.81 ft T: 19.60 C 700-500 lapse rate: 3.57 C/km ThetaE index: 16.71 C Layer 707.0- 538.0 mb Conv cond level (CCL): 764.77 mb = 2408.60 m = 7902.13 ft Mean mixing ratio: 11.74 g/kg Conv temperature: 35.45 C = 95.81 F Cap Strength: 7.73 C Lifted Index: 7.69 C Risk: None Lifted Index @300 mb: 8.31 C Lifted Index @700 mb: 1.98 C Showalter Index: 4.87 C Risk: None Total Totals Index: 35.10 C Risk: None Vertical Totals Index: 17.90 C Cross Totals Index: 17.20 C K Index: 29.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 204.60 Risk: None Energy Index: -1.37 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.53 J/kg Max Up Vert Vel: 4.37 m/s Conv Inhibition (B-): 10715.40 J/kg Cap Strength: 7.73 C Lift Cond Lev (LCL): 891.52 mb = 1108.91 m = 3638.10 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 298 at 14 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 67 0 0 -0.0 -0.0 | 118 14 -12.0 6.5 1 1000 119 105 1 -1.0 0.3 | 117 15 -12.9 6.7 2 979 305 100 3 -3.0 0.5 | 115 16 -14.9 7.0 3 945 610 70 5 -4.7 -1.7 | 106 17 -16.7 4.8 4 925 793 85 9 -9.0 -0.8 | 105 22 -20.9 5.7 5 912 914 85 9 -9.0 -0.8 | 105 22 -20.9 5.7 6 850 1517 120 1 -0.9 0.5 | 118 15 -12.8 7.0 7 790 2134 255 7 6.8 1.8 | 148 10 -5.2 8.3 8 708 3048 255 19 18.4 4.9 | 209 13 6.4 11.4 9 700 3144 255 19 18.4 4.9 | 209 13 6.4 11.4 10 657 3658 255 25 24.1 6.5 | 223 18 12.2 12.9 11 633 3962 270 25 25.0 -0.0 | 244 15 13.0 6.5 12 586 4572 265 33 32.9 2.9 | 246 23 20.9 9.3 13 565 4877 260 31 30.5 5.4 | 237 22 18.6 11.8 14 504 5791 295 33 29.9 -13.9 | 293 19 17.9 -7.5 15 500 5860 290 31 29.1 -10.6 | 284 18 17.2 -4.1 16 485 6096 295 27 24.5 -11.4 | 292 13 12.5 -5.0 17 466 6401 285 29 28.0 -7.5 | 274 16 16.0 -1.0 18 449 6706 300 29 25.1 -14.5 | 301 15 13.1 -8.0 19 400 7600 280 35 34.5 -6.1 | 269 23 22.5 0.4 20 352 8534 265 36 35.9 3.1 | 248 26 23.9 9.6 21 300 9710 280 40 39.4 -6.9 | 271 27 27.4 -0.5 22 250 10970 295 48 43.5 -20.3 | 294 34 31.5 -13.8 23 200 12450 310 54 41.4 -34.7 | 314 41 29.4 -28.3 24 199 12497 310 56 42.9 -36.0 | 314 43 30.9 -29.5 25 163 13716 310 40 30.6 -25.7 | 316 27 18.7 -19.3 26 150 14240 280 27 26.6 -4.7 | 263 15 14.6 1.8 27 140 14630 265 23 22.9 2.0 | 232 14 10.9 8.5 28 126 15240 250 29 27.3 9.9 | 223 22 15.3 16.4 29 114 15850 285 46 44.4 -11.9 | 280 33 32.5 -5.4 30 103 16459 305 44 36.0 -25.2 | 308 31 24.1 -18.8 31 100 16610 265 25 24.9 2.2 | 236 16 12.9 8.6 32 97 16764 265 25 24.9 2.2 | 236 16 12.9 8.6 33 81 17800 275 19 18.9 -1.7 | 235 8 7.0 4.8 34 78 17983 280 19 18.7 -3.3 | 245 7 6.7 3.2 35 74 18288 265 15 14.9 1.3 | 201 8 3.0 7.8 36 70 18593 285 11 10.6 -2.8 | 160 4 -1.3 3.6 37 70 18620 230 9 6.9 5.8 | 157 13 -5.1 12.2 38 66 18898 270 9 9.0 -0.0 | 155 7 -3.0 6.5 39 62 19202 240 11 9.5 5.5 | 168 12 -2.4 12.0 40 59 19507 235 17 13.9 9.8 | 187 16 2.0 16.2 41 52 20117 300 15 13.0 -7.5 | 316 1 1.0 -1.0 42 49 20422 320 9 5.8 -6.9 | 86 6 -6.2 -0.4 Wind Parameters Mean winds (0-6000m): 268.4 at 18.1 knts Storm direction: 298.4 at 13.6 knts Shear (0-3000m) pos: 2.2 neg: 1.1 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 90.9 deg Storm rel helicity (0-3000m) pos: 81.8 neg: -17.4 tot: 64.4 m^2/s^2 ave: 21.5 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.16 Bulk Shear: 58.11 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 89 3 113 16| 4.9 0.0 4.9| 0.0 -13.7 -13.7 -27.4 -0.58| 5.6 -3.2 1000 85 5 109 18| 3.6 0.0 3.6| 10.6 -17.4 -6.8 -6.8 -0.16| 6.4 -1.0 1500 86 5 110 18| 0.5 0.0 0.5| 24.5 -17.4 7.1 4.7 0.05| 6.3 0.3 2000 95 5 113 18| 1.6 0.0 1.6| 51.1 -17.4 33.7 16.8 0.28| 7.0 2.0 2500 146 5 126 19| 2.6 0.0 2.6| 66.2 -17.4 48.8 19.5 0.39| 7.1 2.8 3000 244 7 151 11| 2.2 1.1 3.3| 81.8 -17.4 64.4 21.5 0.46| 7.0 3.3 4000 255 11 174 9| 2.0 1.4 3.5|121.8 -17.4 104.4 26.1 0.52| 7.0 3.7 5000 260 15 199 10| 1.5 1.9 3.4|145.2 -36.5 108.7 21.7 0.43| 7.1 3.0 6000 268 18 221 9| 1.6 1.6 3.1|231.4 -47.9 183.4 30.6 0.48| 7.8 3.8 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20251201.12.gif