UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011800.upa.cvt Date: 0000Z 18 JAN 26 Searching for VH004... Searching the city database file for: VH004 ... Date:0000Z 18 JAN 26 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 63 18.2 7.2 49 11.0 12.0 80 1 290.9 292.0 284.9 309.0 6.34 1 1000 114 18.4 7.4 49 11.0 12.2 85 7 291.5 292.7 285.4 310.1 6.46 2 949 560 14.8 9.8 72 5.0 11.9 88 24 292.3 293.7 287.2 315.2 8.03 3 939 650 16.6 2.6 39 14.0 9.2 90 25 295.0 295.9 285.1 309.4 4.91 4 925 778 16.0 2.0 39 14.0 8.7 90 27 295.7 296.5 285.2 309.7 4.78 5 892 1086 15.6 3.6 45 12.0 9.1 84 13 298.3 299.4 287.0 314.8 5.56 6 850 1493 12.0 7.4 73 4.6 9.3 105 5 298.7 300.1 289.1 321.1 7.62 7 838 1612 10.8 8.0 83 2.8 9.2 51 3 298.7 300.1 289.5 322.3 8.06 8 818 1813 10.6 1.6 54 9.0 5.9 18 4 300.5 301.5 287.5 316.3 5.25 9 746 2575 5.6 4.0 89 1.6 4.7 300 8 303.1 304.4 289.9 323.7 6.85 10 732 2730 6.0 -6.0 42 12.0 0.6 291 9 305.2 305.8 287.3 315.6 3.33 11 700 3095 3.2 -5.8 52 9.0 -0.9 270 9 306.0 306.7 287.8 317.0 3.54 12 645 3749 -2.9 -7.8 69 4.9 -5.0 278 9 306.4 307.0 287.6 316.6 3.29 13 631 3922 -4.3 -12.3 54 8.0 -7.2 304 14 306.7 307.1 286.8 314.2 2.36 14 621 4048 -3.1 -27.1 14 24.0 -9.3 310 15 309.5 309.6 285.9 311.7 0.67 15 599 4333 -2.7 -36.7 5 34.0 -9.9 295 19 313.1 313.2 286.8 314.1 0.27 16 585 4522 1.8 255 29 320.5 17 573 4689 1.4 243 29 322.0 18 540 5163 -1.3 264 27 324.2 19 507 5668 2.6 252 52 334.9 20 500 5780 1.8 250 50 335.2 21 413 7285 -10.3 -54.3 1 44.0 -16.8 265 42 338.5 338.5 294.0 338.7 0.06 22 400 7530 -11.9 -55.9 1 44.0 -18.0 270 44 339.5 339.5 294.3 339.7 0.05 23 383 7862 -13.3 -53.3 2 40.0 -19.0 278 52 341.9 341.9 294.8 342.2 0.07 24 300 9670 -28.9 -56.9 5 28.0 -31.2 270 50 344.6 344.7 295.5 344.9 0.06 25 266 10515 -37.1 -57.1 11 20.0 -38.3 261 50 344.7 344.8 295.5 345.0 0.06 26 250 10940 -41.1 -56.1 18 15.0 -41.9 250 50 345.0 345.0 295.6 345.3 0.08 27 245 11076 -42.3 -56.3 20 14.0 -43.0 250 49 345.2 345.2 295.6 345.5 0.08 28 227 11584 -46.5 -53.5 45 7.0 -46.9 241 53 346.4 346.4 295.9 346.8 0.12 29 200 12410 -52.1 -61.1 33 9.0 -52.4 215 66 350.3 350.3 296.7 350.5 0.05 30 188 12809 -55.2 -65.9 25 10.8 -55.4 210 66 351.6 351.6 297.0 351.7 0.03 31 180 13087 -57.3 -69.3 20 12.0 -57.5 210 66 352.5 352.5 297.2 352.6 0.02 32 172 13375 -56.9 -78.9 5 22.0 -57.2 223 49 357.8 357.8 298.2 357.8 0.00 33 150 14230 -64.5 -81.5 8 17.0 -64.6 260 38 359.0 359.0 298.5 359.0 0.00 34 113 15894 -80.5 -85.5 43 5.0 -80.5 278 50 359.4 359.4 298.6 359.4 0.00 35 112 15944 -80.9 -85.9 43 5.0 -80.9 279 51 359.6 359.6 298.6 359.6 0.00 36 110 16045 -81.3 -87.3 35 6.0 -81.3 280 52 360.7 360.7 298.8 360.7 0.00 37 100 16580 -81.5 -88.5 29 7.0 -81.5 285 40 370.3 370.3 300.6 370.3 0.00 38 83 17618 -82.9 -91.9 20 9.0 -82.9 283 34 387.7 387.7 303.5 387.7 0.00 39 76 18113 -78.1 -89.1 15 11.0 -78.1 291 23 407.6 407.6 306.2 407.6 0.00 40 71 18500 -79.5 -90.5 15 11.0 -79.6 255 20 412.6 412.6 306.8 412.6 0.00 41 70 18580 -78.5 -90.5 12 12.0 -78.6 245 19 416.4 416.4 307.3 416.5 0.00 42 50 20530 -71.9 -89.9 5 18.0 -72.0 265 13 474.1 474.1 313.0 474.1 0.00 43 49 20649 -71.3 -90.3 4 19.0 -71.4 267 14 478.2 478.2 313.3 478.2 0.00 44 44 21295 -65.5 -89.5 2 24.0 -65.8 232 12 507.3 507.3 315.5 507.4 0.00 TRP 110 16045 -81.3 -87.3 35 6.0 -81.3 280 52 360.7 360.7 298.8 360.7 0.00 WND 188 12809 -55.2 -65.9 25 10.8 -55.4 210 66 351.6 351.6 297.0 351.7 0.03 Sounding variables and indices 1000-500 mb thick: 5666.00 m Freezing level: 671.15 mb = 3438.19 m = 11280.01 ft Freezing level: 590.60 mb = 4446.55 m = 14588.24 ft Freezing level: 555.89 mb = 4934.49 m = 16189.07 ft Freezing level: 529.00 mb = 5331.18 m = 17490.54 ft Freezing level: 487.06 mb = 6003.83 m = 19697.38 ft Wetbulb zero: 718.77 mb = 2879.09 m = 9445.72 ft Precipitable water: 0.85 inches Sfc-500 mean rel hum: 55.58 % Est. max temperature: 26.03 C = 78.85 F Sfc-Lift cond lev (LCL): 853.56 mb = 1457.74 m = 4782.55 ft T: 12.31 C 700-500 lapse rate: 0.52 C/km ThetaE index: 8.10 C Layer 732.0- 700.0 mb Conv cond level (CCL): 686.14 mb = 3254.85 m = 10678.51 ft Mean mixing ratio: 6.33 g/kg Conv temperature: 33.50 C = 92.30 F Cap Strength: 23.03 C Lifted Index: 23.05 C Risk: None Lifted Index @300 mb: 23.58 C Lifted Index @700 mb: 6.46 C Showalter Index: 17.60 C Risk: None Total Totals Index: 15.80 C Risk: None Vertical Totals Index: 10.20 C Cross Totals Index: 5.60 C K Index: 8.60 Risk: None Sweat Index: 148.80 Risk: None Energy Index: 3.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.64 J/kg Max Up Vert Vel: 7.30 m/s Conv Inhibition (B-): 21965.22 J/kg Cap Strength: 23.01 C Lift Cond Lev (LCL): 821.69 mb = 1775.88 m = 5826.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 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 63 80 1 -1.0 -0.2 | 109 15 -14.0 4.9 1 1000 114 85 7 -7.0 -0.6 | 103 20 -20.0 4.5 2 978 305 75 17 -16.4 -4.4 | 91 29 -29.5 0.7 3 943 610 90 25 -25.0 0.0 | 98 38 -38.0 5.1 4 925 778 90 27 -27.0 0.0 | 97 40 -40.0 5.1 5 910 914 90 19 -19.0 0.0 | 99 32 -32.0 5.1 6 878 1219 80 9 -8.9 -1.6 | 99 22 -21.9 3.5 7 850 1493 105 5 -4.8 1.3 | 110 19 -17.9 6.4 8 847 1524 65 3 -2.7 -1.3 | 104 16 -15.8 3.8 9 787 2134 325 5 2.9 -4.1 | 95 10 -10.2 1.0 10 730 2743 290 9 8.5 -3.1 | 113 5 -4.6 2.0 11 704 3048 265 9 9.0 0.8 | 145 7 -4.1 5.9 12 700 3095 270 9 9.0 -0.0 | 141 6 -4.0 5.1 13 652 3658 265 7 7.0 0.6 | 133 8 -6.1 5.7 14 628 3962 310 15 11.5 -9.6 | 19 5 -1.5 -4.6 15 604 4267 310 15 11.5 -9.6 | 19 5 -1.5 -4.6 16 582 4572 245 31 28.1 13.1 | 220 24 15.1 18.2 17 560 4877 240 27 23.4 13.5 | 209 21 10.3 18.6 18 539 5182 265 27 26.9 2.4 | 242 16 13.9 7.4 19 519 5486 255 54 52.2 14.0 | 244 44 39.1 19.0 20 500 5780 250 50 47.0 17.1 | 237 41 34.0 22.2 21 480 6096 255 50 48.3 12.9 | 243 40 35.3 18.0 22 411 7315 265 42 41.8 3.7 | 253 30 28.8 8.7 23 400 7530 270 44 44.0 -0.0 | 261 31 31.0 5.1 24 379 7925 280 54 53.2 -9.4 | 276 40 40.1 -4.3 25 322 9144 275 60 59.8 -5.2 | 270 47 46.7 -0.2 26 300 9670 270 50 50.0 -0.0 | 262 37 37.0 5.1 27 272 10363 265 50 49.8 4.4 | 256 38 36.8 9.4 28 250 10940 250 50 47.0 17.1 | 237 41 34.0 22.2 29 238 11278 250 48 45.1 16.4 | 236 39 32.1 21.5 30 200 12410 215 66 37.9 54.1 | 203 64 24.8 59.1 31 188 12809 210 66 33.0 57.2 | 198 65 20.0 62.2 32 179 13106 210 66 33.0 57.2 | 198 65 20.0 62.2 33 171 13411 225 46 32.5 32.5 | 207 42 19.5 37.6 34 150 14230 260 38 37.4 6.6 | 244 27 24.4 11.7 35 140 14630 265 36 35.9 3.1 | 250 24 22.8 8.2 36 110 16045 280 52 51.2 -9.0 | 276 38 38.2 -4.0 37 108 16154 275 46 45.8 -4.0 | 268 33 32.8 1.1 38 102 16459 285 58 56.0 -15.0 | 283 44 43.0 -9.9 39 100 16580 285 40 38.6 -10.4 | 282 26 25.6 -5.3 40 97 16764 285 40 38.6 -10.4 | 282 26 25.6 -5.3 41 87 17374 295 40 36.3 -16.9 | 297 26 23.2 -11.8 42 82 17678 280 33 32.5 -5.7 | 272 19 19.5 -0.7 43 78 17983 300 25 21.7 -12.5 | 311 11 8.6 -7.4 44 74 18288 280 21 20.7 -3.6 | 259 8 7.6 1.4 45 70 18580 245 19 17.2 8.0 | 198 14 4.2 13.1 46 70 18593 245 25 22.7 10.6 | 212 18 9.6 15.6 47 63 19202 245 13 11.8 5.5 | 173 11 -1.3 10.6 48 60 19507 260 17 16.7 3.0 | 205 9 3.7 8.0 49 57 19812 290 19 17.9 -6.5 | 287 5 4.8 -1.4 50 54 20117 285 17 16.4 -4.4 | 259 3 3.4 0.7 51 51 20422 230 19 14.6 12.2 | 185 17 1.5 17.3 52 50 20530 265 13 13.0 1.1 | 179 6 -0.1 6.2 53 48 20726 270 15 15.0 -0.0 | 201 5 2.0 5.1 54 42 21336 210 11 5.5 9.5 | 153 16 -7.5 14.6 55 39 21641 240 3 2.6 1.5 | 122 12 -10.4 6.6 Wind Parameters Mean winds (0-6000m): 261.2 at 18.6 knts Storm direction: 291.2 at 14.0 knts Shear (0-3000m) pos: 3.9 neg: 5.6 tot: 9.5 10-3/s Storm rel Dir Shear (0-3000m): 34.9 deg Storm rel helicity (0-3000m) pos: 69.6 neg: -60.5 tot: 9.0 m^2/s^2 ave: 3.0 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 12.0 stream: 0.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.17 Bulk Shear: 154.34 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 81 16 95 28| 23.4 0.0 23.4| 22.9 -38.3 -15.4 -30.7 -0.17| 24.8 -4.1 1000 86 19 97 32| 11.7 5.0 16.7| 38.3 -41.6 -3.3 -3.3 -0.07| 20.7 -1.5 1500 86 15 98 29| 7.8 7.2 15.0| 60.7 -50.8 10.0 6.6 -0.02| 18.4 -0.3 2000 82 12 98 26| 5.9 6.7 12.5| 61.0 -60.3 0.7 0.4 -0.05| 15.3 -0.8 2500 77 11 96 24| 4.7 6.3 11.0| 63.2 -60.5 2.6 1.1 -0.04| 13.2 -0.5 3000 70 11 94 23| 3.9 5.6 9.5| 69.6 -60.5 9.0 3.0 0.03| 12.0 0.3 4000 40 10 82 20| 2.8 4.0 6.8| 69.6 -67.1 2.6 0.6 -0.07| 10.9 -0.8 5000 282 13 177 2| 2.7 5.4 8.1|100.8-148.4 -47.6 -9.5 -0.22| 13.1 -2.8 6000 261 19 214 10| 2.5 6.8 9.2|164.6-213.5 -48.9 -8.1 -0.15| 14.3 -2.1 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20260118.00.gif