UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1200Z 24 APR 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 1001 69 27.2 23.3 79 3.9 24.3 0 0 300.3 303.6 297.5 353.9 18.28 1 1000 78 27.0 23.3 80 3.7 24.3 0 0 300.1 303.5 297.4 353.8 18.30 2 942 604 22.0 21.4 96 0.6 21.6 230 17 300.2 303.4 296.8 350.9 17.28 3 925 763 21.4 19.5 89 1.9 20.1 235 17 301.2 304.1 296.0 347.1 15.61 4 850 1493 17.2 16.9 98 0.3 17.0 235 21 304.2 306.8 296.0 347.0 14.40 5 842 1574 18.8 12.8 68 6.0 14.8 239 24 306.7 308.7 294.3 340.1 11.10 6 779 2240 15.0 14.7 98 0.3 14.8 263 31 309.5 312.1 296.8 350.9 13.63 7 732 2766 12.6 4.6 58 8.0 7.9 258 29 312.4 313.8 293.1 335.1 7.28 8 700 3141 9.8 7.9 88 1.9 8.6 255 27 313.3 315.2 295.1 343.1 9.60 9 689 3273 9.0 8.2 95 0.8 8.5 256 27 313.9 315.8 295.4 344.8 9.96 10 600 4409 2.8 -0.9 77 3.7 0.8 258 27 319.4 320.5 294.0 338.6 5.98 11 543 5210 -3.5 -3.5 100 0.0 -3.5 264 29 321.1 322.2 294.0 338.8 5.45 12 536 5313 -4.5 -5.5 93 1.0 -5.0 257 31 321.1 322.0 293.4 336.5 4.74 13 515 5628 -5.7 -8.0 84 2.3 -6.7 249 34 323.3 324.1 293.5 336.8 4.07 14 500 5860 -5.9 -16.9 41 11.0 -9.9 255 35 325.8 326.2 292.5 332.8 2.04 15 489 6034 -6.5 -23.5 25 17.0 -11.7 259 36 327.2 327.4 292.1 331.4 1.18 16 477 6228 -7.9 -14.9 57 7.0 -10.6 260 37 327.8 328.3 293.4 336.4 2.52 17 468 6376 -8.5 -22.5 31 14.0 -12.9 260 38 328.8 329.1 292.7 333.6 1.34 18 465 6425 -8.5 -27.5 20 19.0 -13.7 260 38 329.4 329.6 292.4 332.6 0.86 19 460 6509 -7.9 -25.9 22 18.0 -13.1 258 36 331.2 331.4 293.0 334.9 1.01 20 423 7155 -12.5 -20.5 51 8.0 -15.1 254 29 333.4 333.7 294.2 339.7 1.77 21 402 7542 -15.1 -40.1 10 25.0 -19.6 264 31 334.9 334.9 293.3 336.0 0.29 22 400 7580 -15.3 -31.3 24 16.0 -19.0 265 31 335.1 335.2 293.7 337.7 0.70 23 395 7675 -16.3 -31.3 26 15.0 -19.7 266 30 335.0 335.2 293.7 337.6 0.71 24 389 7789 -16.9 -39.9 12 23.0 -21.0 268 30 335.7 335.8 293.6 336.9 0.31 25 383 7905 -17.9 -27.9 41 10.0 -20.4 270 29 335.9 336.1 294.2 339.6 1.01 26 379 7984 -18.5 -31.5 31 13.0 -21.4 270 29 336.1 336.2 294.0 338.8 0.72 27 377 8023 -18.3 -57.3 2 39.0 -22.6 269 29 336.9 336.9 293.6 337.0 0.04 28 371 8142 -18.9 -35.9 21 17.0 -22.2 268 29 337.6 337.7 294.2 339.5 0.48 29 353 8510 -21.3 -39.3 18 18.0 -24.3 265 29 339.2 339.3 294.4 340.6 0.36 30 350 8573 -21.9 -26.1 69 4.2 -22.9 263 29 339.2 339.5 295.3 344.0 1.30 31 346 8657 -22.5 -28.5 58 6.0 -23.9 256 28 339.5 339.8 295.1 343.5 1.05 32 345 8678 -22.5 -35.5 30 13.0 -24.9 254 27 339.8 339.9 294.8 341.9 0.54 33 336 8871 -23.3 -39.3 22 16.0 -25.9 241 25 341.3 341.4 295.0 342.8 0.38 34 328 9047 -24.1 -44.1 14 20.0 -26.9 248 24 342.6 342.6 295.1 343.5 0.23 35 300 9690 -29.1 -42.1 27 13.0 -30.8 260 21 344.4 344.4 295.7 345.6 0.31 36 295 9810 -29.9 -39.9 37 10.0 -31.3 258 22 344.9 345.0 295.8 346.5 0.40 37 276 10281 -33.1 -56.1 8 23.0 -34.8 266 23 346.9 346.9 296.0 347.2 0.07 38 265 10566 -34.9 -50.9 18 16.0 -36.2 270 22 348.3 348.4 296.4 348.9 0.13 39 250 10970 -38.5 -53.5 19 15.0 -39.5 270 21 348.8 348.8 296.5 349.3 0.10 40 244 11136 -39.7 -54.7 19 15.0 -40.6 273 20 349.5 349.5 296.6 349.9 0.09 41 242 11193 -40.3 -49.3 38 9.0 -41.0 274 20 349.4 349.4 296.7 350.1 0.18 42 241 11221 -40.5 -54.5 21 14.0 -41.3 274 19 349.5 349.5 296.6 349.9 0.10 43 240 11249 -40.9 -46.9 52 6.0 -41.4 274 19 349.3 349.4 296.7 350.3 0.23 44 200 12460 -51.5 -53.9 75 2.4 -51.6 290 19 351.2 351.2 297.0 351.7 0.13 45 177 13240 -58.1 -65.1 40 7.0 -58.2 280 23 352.9 352.9 297.3 353.0 0.03 46 160 13866 -63.7 -69.7 44 6.0 -63.8 287 26 353.8 353.8 297.4 353.8 0.02 47 150 14260 -65.3 -71.3 43 6.0 -65.4 270 13 357.6 357.6 298.2 357.7 0.02 48 136 14852 -68.5 -79.5 19 11.0 -68.5 261 11 362.1 362.1 299.1 362.1 0.01 49 108 16206 -76.7 -82.7 38 6.0 -76.7 174 10 371.3 371.3 300.8 371.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 574.67 mb = 4764.75 m = 15632.19 ft Wetbulb zero: 589.59 mb = 4549.23 m = 14925.10 ft Precipitable water: 2.21 inches Sfc-500 mean rel hum: 85.08 % Est. max temperature: 31.06 C = 87.91 F Sfc-Lift cond lev (LCL): 946.17 mb = 565.27 m = 1854.53 ft T: 22.37 C 700-500 lapse rate: 5.77 C/km ThetaE index: 15.88 C Layer 732.0- 700.0 mb Conv cond level (CCL): 909.77 mb = 906.37 m = 2973.62 ft Mean mixing ratio: 16.97 g/kg Conv temperature: 28.71 C = 83.68 F Cap Strength: 1.26 C Lifted Index: -3.17 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.99 C Lifted Index @700 mb: -0.94 C Showalter Index: -1.88 C Risk: Thunderstorms probable Total Totals Index: 45.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 22.80 C K Index: 38.10 Risk: > 80 % chance of thunderstorms Sweat Index: 347.55 Risk: Showers and thunderstorms possible Energy Index: -2.77 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 586.94 J/kg Max Up Vert Vel: 34.26 m/s Conv Inhibition (B-): 3.11 J/kg Cap Strength: 1.15 C Lift Cond Lev (LCL): 925.02 mb = 762.84 m = 2502.73 ft Lev Free Conv (LFC): 890.02 mb = 1095.84 m = 3595.22 ft Equ Level (EL): 840.02 mb = 1594.43 m = 5231.00 ft B at Equ Level: 8.49 J/kg Max Parcel Lev (MPL): 810.02 mb = 1905.61 m = 6251.92 ft Wind level data Storm motion: 284 at 19 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 1001 69 0 0 -0.0 -0.0 | 104 19 -18.4 4.8 1 1000 78 0 0 -0.0 -0.0 | 104 19 -18.4 4.8 2 975 305 235 7 5.7 4.0 | 125 15 -12.7 8.8 3 941 610 230 17 13.0 10.9 | 161 17 -5.4 15.7 4 925 763 235 17 13.9 9.8 | 163 15 -4.5 14.5 5 909 914 235 15 12.3 8.6 | 155 15 -6.2 13.4 6 850 1493 235 21 17.2 12.0 | 176 17 -1.2 16.8 7 847 1524 235 23 18.8 13.2 | 181 18 0.4 18.0 8 817 1829 260 29 28.6 5.0 | 226 14 10.1 9.8 9 788 2134 265 31 30.9 2.7 | 239 15 12.4 7.5 10 760 2438 260 31 30.5 5.4 | 230 16 12.1 10.1 11 700 3141 255 27 26.1 7.0 | 213 14 7.6 11.8 12 657 3658 260 25 24.6 4.3 | 214 11 6.2 9.1 13 632 3962 255 23 22.2 6.0 | 199 11 3.8 10.7 14 586 4572 260 29 28.6 5.0 | 226 14 10.1 9.8 15 544 5182 265 29 28.9 2.5 | 235 13 10.5 7.3 16 524 5486 245 33 29.9 13.9 | 212 22 11.5 18.7 17 500 5860 255 35 33.8 9.1 | 228 21 15.4 13.8 18 485 6096 260 36 35.5 6.3 | 237 20 17.0 11.0 19 466 6401 260 38 37.4 6.6 | 239 22 19.0 11.4 20 431 7010 250 29 27.3 9.9 | 211 17 8.8 14.7 21 400 7580 265 31 30.9 2.7 | 239 15 12.4 7.5 22 382 7925 270 29 29.0 -0.0 | 246 12 10.6 4.8 23 351 8534 265 29 28.9 2.5 | 235 13 10.5 7.3 24 337 8839 240 25 21.7 12.5 | 191 18 3.2 17.3 25 310 9449 265 23 22.9 2.0 | 213 8 4.5 6.8 26 300 9690 260 21 20.7 3.6 | 195 9 2.2 8.4 27 285 10058 255 23 22.2 6.0 | 199 11 3.8 10.7 28 273 10363 270 23 23.0 -0.0 | 224 7 4.6 4.8 29 250 10970 270 21 21.0 -0.0 | 208 5 2.6 4.8 30 228 11582 280 17 16.7 -3.0 | 137 2 -1.7 1.8 31 218 11887 275 19 18.9 -1.7 | 189 3 0.5 3.1 32 200 12460 290 19 17.9 -6.5 | 19 2 -0.6 -1.7 33 189 12802 290 19 17.9 -6.5 | 19 2 -0.6 -1.7 34 172 13411 275 25 24.9 -2.2 | 248 7 6.5 2.6 35 164 13716 285 29 28.0 -7.5 | 286 10 9.6 -2.7 36 156 14021 290 23 21.6 -7.9 | 314 4 3.2 -3.1 37 150 14260 270 13 13.0 -0.0 | 131 7 -5.4 4.8 38 134 14935 260 11 10.8 1.9 | 131 10 -7.6 6.7 39 127 15240 235 5 4.1 2.9 | 118 16 -14.3 7.6 40 121 15545 205 9 3.8 8.2 | 131 20 -14.6 12.9 41 115 15850 215 11 6.3 9.0 | 139 18 -12.1 13.8 42 109 16154 175 9 -0.8 9.0 | 126 24 -19.2 13.7 43 104 16459 170 15 -2.6 14.8 | 133 29 -21.0 19.5 Wind Parameters Mean winds (0-6000m): 254.5 at 25.4 knts Storm direction: 284.5 at 19.0 knts Shear (0-3000m) pos: 3.3 neg: 2.7 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 110.4 deg Storm rel helicity (0-3000m) pos: 155.0 neg: -35.2 tot: 119.8 m^2/s^2 ave: 39.9 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 8.8 stream: 5.1 10^-3/s Energy-Hel index: 0.56 Bulk Rich Number: 12.86 Bulk Shear: 45.64 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 ------------------------------------------------------------------------------- 500 233 8 127 16| 0.0 16.1 16.1| 58.9 -6.0 52.8 105.6 0.74| 19.0 14.0 1000 233 12 143 15| 0.8 8.1 8.9| 69.5 -11.2 58.3 58.3 0.64| 11.9 7.7 1500 234 14 153 15| 3.0 5.4 8.3|100.7 -11.2 89.4 59.6 0.72| 10.6 7.6 2000 243 18 169 13| 5.0 4.0 9.0|153.4 -11.2 142.1 71.1 0.79| 11.4 9.1 2500 249 21 183 12| 4.0 3.5 7.5|155.0 -23.0 132.0 52.8 0.68| 9.9 6.7 3000 251 22 191 12| 3.3 2.7 6.1|155.0 -35.2 119.8 39.9 0.58| 8.8 5.1 4000 253 23 196 12| 2.4 2.1 4.5|158.7 -45.0 113.7 28.4 0.47| 7.5 3.6 5000 255 24 202 12| 2.6 1.7 4.2|180.9 -45.0 135.9 27.2 0.52| 6.8 3.5 6000 254 25 208 13| 2.8 2.2 5.0|229.5 -74.1 155.4 25.9 0.42| 7.4 3.1 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20250424.12.gif