UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011700.upa.cvt Date: 0000Z 17 JAN 26 Searching for VH004... Searching the city database file for: VH004 ... Date:0000Z 17 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 65 16.6 11.6 72 5.0 13.6 0 0 289.3 290.8 286.5 313.3 8.55 1 1001 107 18.8 8.8 52 10.0 13.0 239 1 291.9 293.1 286.1 312.2 7.11 2 1000 116 19.0 8.0 49 11.0 12.7 215 1 292.1 293.3 285.8 311.5 6.74 3 992 185 19.2 4.2 37 15.0 11.1 169 2 293.0 294.0 284.6 308.2 5.21 4 925 784 16.4 5.4 48 11.0 10.3 45 11 296.1 297.2 286.7 313.9 6.08 5 850 1499 12.6 2.6 50 10.0 7.3 30 5 299.3 300.3 287.2 315.5 5.43 6 817 1831 11.0 1.0 50 10.0 5.8 340 1 301.1 302.0 287.5 316.2 5.04 7 797 2037 9.8 4.9 72 4.9 7.1 307 2 301.9 303.2 289.5 322.3 6.83 8 791 2100 10.2 2.2 58 8.0 5.9 297 3 303.0 304.0 288.8 320.1 5.67 9 722 2852 4.0 1.3 83 2.7 2.6 287 14 304.2 305.3 289.3 321.9 5.83 10 700 3103 3.0 -0.3 79 3.3 1.3 300 23 305.8 306.8 289.4 322.2 5.35 11 696 3149 2.6 -0.2 82 2.8 1.2 298 23 305.9 306.9 289.5 322.4 5.42 12 693 3184 3.6 -6.4 48 10.0 -0.9 296 24 307.4 308.0 288.1 318.0 3.42 13 687 3255 3.4 -3.6 60 7.0 0.1 293 24 307.9 308.7 289.1 321.2 4.27 14 683 3302 4.0 -7.0 44 11.0 -0.9 291 24 309.1 309.7 288.6 319.5 3.31 15 670 3458 2.6 -3.4 65 6.0 -0.3 284 26 309.2 310.0 289.7 323.1 4.44 16 656 3629 3.4 -16.6 21 20.0 -3.8 277 27 312.0 312.3 287.8 317.2 1.59 17 635 3892 2.4 -18.6 19 21.0 -4.9 262 28 313.8 314.0 288.2 318.4 1.39 18 584 4563 -2.5 -13.5 43 11.0 -6.7 240 33 315.7 316.1 289.8 323.2 2.31 19 576 4672 -1.3 -27.3 12 26.0 -8.6 237 36 318.3 318.4 289.0 320.8 0.71 20 564 4841 0.4 -28.6 9 29.0 -7.8 231 42 322.2 322.4 290.1 324.5 0.64 21 563 4855 0.4 -27.6 10 28.0 -7.7 231 43 322.4 322.5 290.2 324.9 0.70 22 550 5042 -0.3 -31.3 8 31.0 -8.6 233 46 323.7 323.8 290.5 325.6 0.51 23 500 5800 -3.5 -36.5 6 33.0 -11.2 245 54 328.8 328.8 291.7 330.0 0.34 24 425 7065 -10.7 -47.7 3 37.0 -16.8 255 52 335.2 335.2 293.2 335.7 0.12 25 418 7193 -10.3 -54.3 1 44.0 -16.7 257 51 337.3 337.3 293.7 337.6 0.06 26 400 7530 -12.5 -55.5 1 43.0 -18.4 265 48 338.7 338.8 294.1 339.0 0.05 27 345 8637 -22.7 -58.7 2 36.0 -26.1 259 50 339.6 339.6 294.3 339.7 0.04 28 300 9650 -28.7 -59.7 3 31.0 -31.1 275 58 344.9 344.9 295.6 345.1 0.04 29 293 9819 -28.9 -61.9 3 33.0 -31.3 274 60 347.0 347.0 296.0 347.1 0.03 30 250 10930 -39.5 -61.5 8 22.0 -40.6 260 60 347.3 347.3 296.1 347.5 0.04 31 216 11909 -48.5 -59.5 27 11.0 -48.9 233 64 348.2 348.2 296.3 348.5 0.06 32 200 12410 -51.9 -64.9 20 13.0 -52.2 215 69 350.6 350.6 296.8 350.7 0.03 33 194 12607 -53.1 -67.3 16 14.1 -53.4 215 69 351.7 351.7 297.0 351.8 0.02 34 170 13447 -58.5 -77.5 7 19.0 -58.7 229 50 356.3 356.3 298.0 356.3 0.01 35 150 14220 -65.7 -79.7 13 14.0 -65.8 245 42 356.9 356.9 298.1 356.9 0.00 36 126 15251 -75.5 -81.5 38 6.0 -75.5 247 47 357.4 357.4 298.2 357.4 0.00 37 123 15390 -76.5 -84.5 27 8.0 -76.5 249 49 358.1 358.1 298.3 358.1 0.00 38 120 15533 -74.7 -86.7 14 12.0 -74.7 250 50 363.9 363.9 299.5 363.9 0.00 39 102 16459 -81.5 -90.5 20 9.0 -81.5 250 42 368.2 368.2 300.2 368.2 0.00 40 100 16570 -81.5 -90.5 20 9.0 -81.5 250 36 370.3 370.3 300.6 370.3 0.00 41 73 18335 -83.9 -92.9 19 9.0 -83.9 258 31 400.1 400.1 305.2 400.1 0.00 42 70 18570 -81.9 -91.9 17 10.0 -81.9 250 21 409.2 409.2 306.4 409.2 0.00 43 60 19441 -78.3 -90.3 13 12.0 -78.3 252 23 435.7 435.7 309.4 435.7 0.00 44 57 19740 -70.1 -88.1 5 18.0 -70.2 226 21 460.7 460.7 311.8 460.7 0.00 45 55 19953 -69.1 -89.1 4 20.0 -69.2 243 18 467.7 467.7 312.4 467.7 0.00 46 51 20402 -70.9 -89.9 4 19.0 -71.1 256 17 473.7 473.7 313.0 473.7 0.00 47 50 20520 -68.7 -89.7 3 21.0 -68.9 275 15 481.6 481.6 313.6 481.6 0.00 48 43 21434 -63.1 -90.1 1 27.0 -63.6 311 13 516.6 516.6 316.1 516.6 0.00 49 38 22191 -64.3 -90.3 2 26.0 -64.7 2 13 532.1 532.1 317.1 532.1 0.00 50 33 23063 -59.1 -88.1 1 29.0 -60.0 50 19 567.8 567.8 319.0 567.9 0.00 51 30 23660 -59.1 -88.1 1 29.0 -60.1 100 27 583.5 583.5 319.8 583.6 0.01 52 20 26220 -55.1 -85.1 1 30.0 -57.3 120 13 667.5 667.5 323.3 667.6 0.01 53 19 26548 -55.1 -85.1 1 30.0 -57.3 120 15 677.4 677.4 323.7 677.5 0.01 54 11 30093 -48.3 -82.3 1 34.0 -54.1 44 9 816.7 816.7 327.7 817.1 0.04 TRP 102 16459 -81.5 -90.5 20 9.0 -81.5 250 42 368.2 368.2 300.2 368.2 0.00 WND 194 12607 -53.1 -67.3 16 14.1 -53.4 215 69 351.7 351.7 297.0 351.8 0.02 Sounding variables and indices 1000-500 mb thick: 5684.00 m Freezing level: 610.02 mb = 4220.75 m = 13847.42 ft Freezing level: 566.82 mb = 4801.18 m = 15751.70 ft Freezing level: 555.57 mb = 4961.93 m = 16279.11 ft Wetbulb zero: 694.26 mb = 3169.68 m = 10399.09 ft Precipitable water: 0.85 inches Sfc-500 mean rel hum: 41.35 % Est. max temperature: 26.44 C = 79.59 F Sfc-Lift cond lev (LCL): 933.67 mb = 704.12 m = 2310.08 ft T: 16.77 C 700-500 lapse rate: 2.41 C/km ThetaE index: 5.19 C Layer 1001.0- 925.0 mb Conv cond level (CCL): 596.25 mb = 4396.53 m = 14424.15 ft Mean mixing ratio: 5.86 g/kg Conv temperature: 42.59 C = 108.66 F Cap Strength: 15.62 C Lifted Index: 17.81 C Risk: None Lifted Index @300 mb: 23.90 C Lifted Index @700 mb: 6.32 C Showalter Index: 15.46 C Risk: None Total Totals Index: 22.20 C Risk: None Vertical Totals Index: 16.10 C Cross Totals Index: 6.10 C K Index: 15.40 Risk: < 20 % chance of thunderstorms Sweat Index: 95.20 Risk: None Energy Index: 3.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.72 J/kg Max Up Vert Vel: 4.84 m/s Conv Inhibition (B-): 50743.24 J/kg Cap Strength: 17.55 C Lift Cond Lev (LCL): 794.84 mb = 2059.68 m = 6757.41 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 at 17 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 65 0 0 -0.0 -0.0 | 103 17 -16.8 3.8 1 1000 116 215 1 0.6 0.8 | 106 17 -16.2 4.7 2 978 305 90 3 -3.0 0.0 | 101 20 -19.8 3.8 3 944 610 50 7 -5.4 -4.5 | 88 22 -22.2 -0.7 4 925 784 45 11 -7.8 -7.8 | 81 25 -24.6 -3.9 5 911 914 65 13 -11.8 -5.5 | 87 29 -28.6 -1.7 6 879 1219 70 15 -14.1 -5.1 | 88 31 -30.9 -1.3 7 850 1499 30 5 -2.5 -4.3 | 89 19 -19.3 -0.5 8 817 1829 340 1 0.3 -0.9 | 100 17 -16.5 2.9 9 787 2134 290 3 2.8 -1.0 | 101 14 -14.0 2.8 10 731 2743 280 9 8.9 -1.6 | 106 8 -8.0 2.3 11 705 3048 300 23 19.9 -11.5 | 338 8 3.1 -7.7 12 700 3103 300 23 19.9 -11.5 | 338 8 3.1 -7.7 13 653 3658 275 27 26.9 -2.4 | 262 10 10.1 1.5 14 605 4267 240 29 25.1 14.5 | 204 20 8.3 18.3 15 583 4572 240 33 28.6 16.5 | 210 23 11.8 20.3 16 561 4877 230 44 33.7 28.3 | 208 36 16.9 32.1 17 501 5791 250 54 50.7 18.5 | 237 41 33.9 22.3 18 500 5800 245 54 48.9 22.8 | 230 42 32.1 26.7 19 481 6096 240 58 50.2 29.0 | 225 47 33.4 32.8 20 463 6401 240 58 50.2 29.0 | 225 47 33.4 32.8 21 400 7530 265 48 47.8 4.2 | 255 32 31.0 8.0 22 395 7620 265 48 47.8 4.2 | 255 32 31.0 8.0 23 379 7925 270 50 50.0 -0.0 | 263 33 33.2 3.8 24 335 8839 255 50 48.3 12.9 | 242 36 31.5 16.8 25 300 9650 275 58 57.8 -5.1 | 272 41 41.0 -1.2 26 296 9754 275 60 59.8 -5.2 | 272 43 43.0 -1.4 27 250 10930 260 60 59.1 10.4 | 251 45 42.3 14.3 28 237 11278 255 58 56.0 15.0 | 244 44 39.2 18.8 29 200 12410 215 69 39.6 56.5 | 201 65 22.8 60.4 30 194 12607 215 69 39.6 56.5 | 201 65 22.8 60.4 31 188 12802 215 69 39.6 56.5 | 201 65 22.8 60.4 32 163 13716 235 42 34.4 24.1 | 212 33 17.6 27.9 33 150 14220 245 42 38.1 17.7 | 225 30 21.2 21.6 34 147 14326 240 40 34.6 20.0 | 217 30 17.8 23.8 35 119 15545 250 50 47.0 17.1 | 235 37 30.2 20.9 36 113 15850 260 44 43.3 7.6 | 247 29 26.5 11.5 37 102 16459 250 42 39.5 14.4 | 231 29 22.7 18.2 38 102 16459 235 44 36.0 25.2 | 213 35 19.2 29.1 39 100 16570 250 36 33.8 12.3 | 226 23 17.0 16.1 40 97 16764 250 36 33.8 12.3 | 226 23 17.0 16.1 41 87 17374 220 36 23.1 27.6 | 191 32 6.3 31.4 42 74 18288 260 33 32.5 5.7 | 239 18 15.7 9.6 43 70 18570 250 21 19.7 7.2 | 195 11 2.9 11.0 44 70 18593 260 27 26.6 4.7 | 229 13 9.8 8.5 45 63 19202 235 25 20.5 14.3 | 191 19 3.7 18.2 46 60 19507 255 23 22.2 6.0 | 209 11 5.4 9.8 47 56 19812 220 21 13.5 16.1 | 171 20 -3.3 19.9 48 54 20117 265 15 14.9 1.3 | 160 5 -1.9 5.1 49 51 20422 255 17 16.4 4.4 | 177 8 -0.4 8.2 50 50 20520 275 15 14.9 -1.3 | 143 3 -1.9 2.5 51 48 20726 280 17 16.7 -3.0 | 175 1 -0.1 0.9 52 46 21031 290 19 17.9 -6.5 | 339 3 1.0 -2.7 53 44 21336 295 13 11.8 -5.5 | 72 5 -5.0 -1.7 54 42 21641 340 13 4.4 -12.2 | 56 15 -12.4 -8.4 55 40 21946 15 15 -3.9 -14.5 | 63 23 -20.7 -10.7 56 38 22250 360 13 -0.0 -13.0 | 61 19 -16.8 -9.2 57 36 22555 25 9 -3.8 -8.2 | 78 21 -20.6 -4.3 58 34 22860 15 15 -3.9 -14.5 | 63 23 -20.7 -10.7 59 33 23165 65 21 -19.0 -8.9 | 82 36 -35.8 -5.0 60 30 23660 100 27 -26.6 4.7 | 101 44 -43.4 8.5 61 28 24079 100 27 -26.6 4.7 | 101 44 -43.4 8.5 62 27 24384 90 23 -23.0 0.0 | 96 40 -39.8 3.8 63 24 24994 115 23 -20.8 9.7 | 110 40 -37.7 13.6 64 22 25603 65 17 -15.4 -7.2 | 84 32 -32.2 -3.3 65 20 26213 70 17 -16.0 -5.8 | 87 33 -32.8 -2.0 66 20 26220 120 13 -11.3 6.5 | 110 30 -28.1 10.3 67 18 26518 120 17 -14.7 8.5 | 111 34 -31.5 12.3 68 14 27432 130 1 -0.8 0.6 | 104 18 -17.6 4.5 69 12 28042 25 9 -3.8 -8.2 | 78 21 -20.6 -4.3 70 10 28651 75 9 -8.7 -2.3 | 93 26 -25.5 1.5 71 8 29566 360 9 -0.0 -9.0 | 73 18 -16.8 -5.2 72 7 29870 355 9 0.8 -9.0 | 72 17 -16.0 -5.1 73 6 30175 25 5 -2.1 -4.5 | 88 19 -18.9 -0.7 Wind Parameters Mean winds (0-6000m): 252.9 at 23.0 knts Storm direction: 282.9 at 17.2 knts Shear (0-3000m) pos: 2.6 neg: 3.5 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): -124.9 deg Storm rel helicity (0-3000m) pos: 55.1 neg: -77.3 tot: -22.2 m^2/s^2 ave: -7.4 10^-3 m/s^2 rel: -0.17 Storm rel vorticity (0-3000m) horiz: 10.5 stream: -1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.13 Bulk Shear: 91.16 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 74 3 98 20| 6.6 0.0 6.6| 6.8 -33.8 -26.9 -53.9 -0.49| 9.9 -4.8 1000 60 7 91 23| 7.2 0.0 7.2| 25.2 -55.9 -30.7 -30.7 -0.29| 10.2 -3.0 1500 61 8 90 24| 4.8 4.0 8.8| 37.8 -68.4 -30.6 -20.4 -0.15| 11.5 -1.8 2000 57 7 90 22| 3.6 4.0 7.6| 52.0 -69.1 -17.2 -8.6 -0.06| 10.0 -0.6 2500 47 6 89 21| 2.9 4.2 7.1| 54.3 -69.2 -14.9 -6.0 -0.04| 9.0 -0.3 3000 9 8 79 18| 2.6 3.5 6.1| 55.1 -77.3 -22.2 -7.4 -0.17| 10.5 -1.8 4000 298 12 72 6| 2.0 4.7 6.6| 55.1-134.1 -79.0 -19.7 -0.37| 10.9 -4.0 5000 263 17 181 6| 1.6 5.8 7.4|102.3-164.7 -62.4 -12.5 -0.28| 11.4 -3.2 6000 253 23 206 12| 1.9 5.5 7.4|255.6-247.2 8.4 1.4 -0.17| 11.6 -2.0 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20260117.00.gif