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 VTUU... Searching the city database file for: VTUU ... Date:0000Z 18 JAN 26 Station: VTUU WMO ident: 48407 Latitude: 15.25 Longitude: 104.87 Elevation: 127.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 101 50 4 SFC 998 127 21.6 19.0 85 2.6 19.8 50 4 294.9 297.4 293.0 335.0 13.99 2 997 136 19.6 15.4 77 4.2 16.9 48 4 293.0 295.0 290.2 324.6 11.10 3 991 187 19.4 14.4 73 5.0 16.2 36 6 293.3 295.2 289.7 323.1 10.46 4 985 239 22.8 13.8 57 9.0 17.0 25 8 297.2 299.1 290.7 326.6 10.11 5 968 389 25.6 12.6 44 13.0 17.2 35 8 301.5 303.3 291.6 329.7 9.51 6 964 425 25.8 11.8 42 14.0 16.9 46 7 302.1 303.8 291.4 329.0 9.05 7 932 718 24.0 11.0 44 13.0 15.8 100 2 303.2 304.8 291.6 329.7 8.87 8 925 783 23.4 10.4 44 13.0 15.3 100 2 303.2 304.8 291.4 328.9 8.59 9 850 1513 17.6 4.6 42 13.0 10.2 320 5 304.6 305.7 289.8 323.5 6.26 10 816 1860 14.6 2.6 44 12.0 8.0 295 7 305.0 306.0 289.4 322.2 5.66 11 700 3128 2.2 -1.5 76 3.7 0.4 295 12 304.9 305.8 288.7 319.9 4.90 12 691 3232 1.6 -1.2 82 2.8 0.2 310 14 305.4 306.3 289.0 320.9 5.07 13 687 3279 0.4 -2.1 83 2.5 -0.8 316 15 304.6 305.4 288.5 319.1 4.77 14 686 3290 -1.5 -6.4 69 4.9 -3.6 318 16 302.6 303.2 286.5 313.2 3.45 15 684 3314 3.6 -18.4 18 22.0 -3.9 321 16 308.5 308.8 286.3 312.8 1.31 16 683 3325 5.4 -24.6 9 30.0 -3.8 323 17 310.6 310.8 286.5 313.2 0.76 17 676 3409 5.4 -24.6 9 30.0 -3.8 335 18 311.6 311.7 286.8 314.2 0.77 18 671 3470 7.2 -29.8 5 37.0 -3.4 343 20 314.2 314.3 287.4 315.9 0.48 19 660 3606 8.2 -30.8 4 39.0 -3.0 2 23 316.9 316.9 288.2 318.4 0.44 20 629 4000 5.8 -36.2 3 42.0 -4.8 2 26 318.5 318.6 288.6 319.5 0.28 21 619 4131 7.0 -38.0 2 45.0 -4.4 359 26 321.3 321.4 289.4 322.2 0.23 22 609 4264 7.4 -37.6 2 45.0 -4.3 355 27 323.3 323.4 290.0 324.2 0.25 23 562 4917 2.0 -37.0 4 39.0 -7.5 4 25 324.4 324.5 290.4 325.5 0.28 24 500 5850 -2.5 -43.5 3 41.0 -10.9 325 17 330.0 330.0 291.9 330.6 0.16 25 461 6493 -5.7 -44.7 3 39.0 -13.3 314 15 333.8 333.8 292.9 334.4 0.15 26 400 7590 -14.7 -49.7 3 35.0 -19.7 310 10 335.9 335.9 293.4 336.3 0.10 27 301 9676 -30.9 -51.9 11 21.0 -32.7 177 12 341.5 341.5 294.8 341.9 0.11 28 300 9700 -31.1 -52.1 11 21.0 -32.9 175 12 341.5 341.6 294.8 342.0 0.10 29 268 10487 -38.7 -45.7 48 7.0 -39.3 175 16 341.7 341.7 295.0 342.6 0.24 30 250 10960 -42.3 -51.3 37 9.0 -42.9 180 19 343.2 343.2 295.2 343.7 0.14 31 226 11635 -48.5 -53.5 56 5.0 -48.7 185 28 343.7 343.8 295.3 344.2 0.12 32 206 12240 -53.5 -60.5 42 7.0 -53.7 190 36 345.1 345.1 295.6 345.3 0.05 33 200 12430 -54.7 -62.7 37 8.0 -54.9 190 38 346.1 346.2 295.8 346.3 0.04 34 165 13637 -62.9 -72.5 26 9.6 -63.0 160 61 352.1 352.1 297.1 352.1 0.01 35 158 13902 -64.7 -74.7 24 10.0 -64.8 160 52 353.3 353.3 297.4 353.4 0.01 36 153 14099 -63.7 -76.7 15 13.0 -63.8 160 43 358.3 358.3 298.4 358.3 0.01 37 150 14220 -64.3 -78.3 13 14.0 -64.4 160 37 359.3 359.3 298.5 359.3 0.01 38 146 14385 -65.3 -80.3 11 15.0 -65.4 169 32 360.4 360.4 298.8 360.4 0.00 39 139 14682 -66.9 -81.9 10 15.0 -67.0 186 22 362.7 362.7 299.2 362.7 0.00 40 114 15849 -77.3 -87.3 19 10.0 -77.3 256 6 364.5 364.5 299.5 364.5 0.00 41 102 16479 -81.7 -90.7 20 9.0 -81.7 297 11 367.8 367.8 300.2 367.8 0.00 42 100 16590 -82.3 -90.3 24 8.0 -82.3 310 11 368.7 368.7 300.4 368.7 0.00 43 87 17356 -87.5 -92.0 43 4.5 -87.5 340 9 373.2 373.2 301.1 373.2 0.00 44 86 17418 -87.5 -92.2 41 4.7 -87.5 343 10 374.5 374.5 301.4 374.5 0.00 45 85 17482 -86.5 -90.7 46 4.2 -86.5 347 10 377.8 377.8 301.9 377.8 0.00 46 80 17816 -82.9 -88.9 35 6.0 -82.9 5 13 391.8 391.8 304.0 391.8 0.00 47 77 18028 -82.7 -90.7 24 8.0 -82.7 16 16 396.5 396.5 304.7 396.5 0.00 48 70 18560 -81.7 -87.7 35 6.0 -81.7 130 14 409.6 409.6 306.5 409.6 0.00 49 68 18722 -81.5 -88.5 29 7.0 -81.5 138 13 413.4 413.4 306.9 413.4 0.00 50 64 19066 -77.5 -86.5 22 9.0 -77.6 155 10 429.4 429.5 308.8 429.5 0.00 51 57 19732 -75.3 -85.3 19 10.0 -75.3 187 4 448.9 448.9 310.7 448.9 0.00 52 55 19941 -70.3 -83.3 13 13.0 -70.4 161 5 465.0 465.0 312.2 465.0 0.01 53 50 20510 -68.1 -83.1 10 15.0 -68.3 50 8 483.0 483.0 313.7 483.1 0.01 54 43 21413 -68.9 -84.9 8 16.0 -69.1 65 13 502.3 502.3 315.1 502.4 0.01 55 39 22006 -62.7 -81.7 6 19.0 -63.2 67 21 532.2 532.2 317.1 532.3 0.01 56 32 23228 -61.5 -81.5 5 20.0 -62.2 75 30 566.4 566.4 319.0 566.5 0.02 57 30 23630 -58.9 -79.9 5 21.0 -59.9 80 29 584.1 584.1 319.9 584.2 0.02 58 27 24298 -54.5 -78.5 4 24.0 -56.3 88 28 614.3 614.3 321.3 614.5 0.03 TRP 87 17356 -87.5 -92.0 43 4.5 -87.5 340 9 373.2 373.2 301.1 373.2 0.00 WND 165 13637 -62.9 -72.5 26 9.6 -63.0 160 61 352.1 352.1 297.1 352.1 0.01 Sounding variables and indices 1000-500 mb thick: 5749.00 m Freezing level: 686.79 mb = 3281.03 m = 10764.40 ft Freezing level: 685.41 mb = 3297.08 m = 10817.05 ft Freezing level: 534.44 mb = 5331.66 m = 17492.10 ft Wetbulb zero: 690.21 mb = 3241.17 m = 10633.63 ft Precipitable water: 0.89 inches Sfc-500 mean rel hum: 30.78 % Est. max temperature: 31.28 C = 88.31 F Sfc-Lift cond lev (LCL): 960.91 mb = 453.19 m = 1486.81 ft T: 25.63 C 700-500 lapse rate: 1.73 C/km ThetaE index: 11.86 C Layer 997.0- 985.0 mb Conv cond level (CCL): 753.70 mb = 2516.77 m = 8257.03 ft Mean mixing ratio: 9.08 g/kg Conv temperature: 31.70 C = 89.06 F Cap Strength: 9.96 C Lifted Index: 9.61 C Risk: None Lifted Index @300 mb: 10.36 C Lifted Index @700 mb: -1.45 C Showalter Index: 11.95 C Risk: None Total Totals Index: 27.20 C Risk: None Vertical Totals Index: 20.10 C Cross Totals Index: 7.10 C K Index: 21.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 82.20 Risk: None Energy Index: 1.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 50.99 J/kg Max Up Vert Vel: 10.10 m/s Conv Inhibition (B-): 187.12 J/kg Cap Strength: 9.82 C Lift Cond Lev (LCL): 794.54 mb = 2080.29 m = 6825.00 ft Lev Free Conv (LFC): 719.54 mb = 2900.27 m = 9515.22 ft Equ Level (EL): 679.54 mb = 3366.80 m = 11045.80 ft B at Equ Level: 43.71 J/kg Max Parcel Lev (MPL): 659.54 mb = 3611.44 m = 11848.40 ft Wind level data Storm motion: 15 at 11 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 ---------------------------------------------------------- 0 998 127 50 4 -3.1 -2.6 | 178 8 -0.2 7.8 1 978 305 10 11 -1.9 -10.8 | 298 1 0.9 -0.5 2 944 610 100 2 -2.0 0.3 | 185 11 0.9 10.7 3 925 783 100 2 -2.0 0.3 | 185 11 0.9 10.7 4 911 914 110 2 -1.9 0.7 | 185 11 0.9 11.0 5 879 1219 320 3 1.9 -2.3 | 211 9 4.8 8.0 6 850 1513 320 5 3.2 -3.8 | 223 9 6.0 6.5 7 818 1829 295 7 6.3 -3.0 | 231 12 9.2 7.4 8 789 2134 290 8 7.5 -2.7 | 234 13 10.3 7.6 9 761 2438 295 7 6.3 -3.0 | 231 12 9.2 7.4 10 733 2743 290 8 7.5 -2.7 | 234 13 10.3 7.6 11 700 3128 295 12 10.9 -5.1 | 249 15 13.7 5.3 12 656 3658 10 24 -4.2 -23.6 | 6 13 -1.3 -13.3 13 608 4267 355 27 2.4 -26.9 | 343 17 5.2 -16.6 14 564 4877 5 25 -2.2 -24.9 | 357 15 0.6 -14.6 15 500 5850 325 17 9.8 -13.9 | 286 13 12.6 -3.6 16 484 6096 315 17 12.0 -12.0 | 276 15 14.8 -1.7 17 400 7590 310 10 7.7 -6.4 | 250 11 10.5 3.9 18 398 7620 310 10 7.7 -6.4 | 250 11 10.5 3.9 19 324 9144 220 7 4.5 5.4 | 205 17 7.3 15.7 20 300 9700 175 12 -1.0 12.0 | 185 22 1.8 22.3 21 261 10668 175 17 -1.5 16.9 | 183 27 1.3 27.3 22 250 10960 180 19 0.0 19.0 | 186 29 2.8 29.3 23 207 12192 190 35 6.1 34.5 | 191 46 8.9 44.8 24 200 12430 190 38 6.6 37.4 | 191 49 9.4 47.8 25 165 13637 160 61 -20.9 57.3 | 165 70 -18.0 67.7 26 163 13716 160 61 -20.9 57.3 | 165 70 -18.0 67.7 27 150 14220 160 37 -12.7 34.8 | 168 46 -9.8 45.1 28 126 15240 220 2 1.3 1.5 | 199 13 4.1 11.9 29 102 16459 295 11 10.0 -4.6 | 246 14 12.8 5.7 30 100 16590 310 11 8.4 -7.1 | 254 12 11.3 3.3 31 87 17356 340 9 3.1 -8.5 | 252 6 5.9 1.9 32 74 18288 30 18 -9.0 -15.6 | 50 8 -6.2 -5.3 33 70 18560 130 14 -10.7 9.0 | 158 21 -7.9 19.3 34 56 19812 190 4 0.7 3.9 | 194 15 3.5 14.3 35 50 20510 50 8 -6.1 -5.1 | 148 6 -3.3 5.2 36 44 21336 65 12 -10.9 -5.1 | 123 10 -8.0 5.3 37 34 22860 70 31 -29.1 -10.6 | 89 26 -26.3 -0.3 38 30 23630 80 29 -28.6 -5.0 | 102 26 -25.7 5.3 39 25 24384 95 27 -26.9 2.4 | 118 27 -24.1 12.7 Wind Parameters Mean winds (0-6000m): 345.3 at 14.3 knts Storm direction: 15.3 at 10.7 knts Shear (0-3000m) pos: 0.8 neg: 1.7 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 70.7 deg Storm rel helicity (0-3000m) pos: 44.4 neg: -3.4 tot: 41.0 m^2/s^2 ave: 13.7 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 2.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 4.12 Bulk Shear: 12.37 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 21 7 186 4| 3.2 0.0 3.2| 10.3 -1.6 8.7 17.4 0.14| 20.4 2.9 1000 33 4 184 7| 1.6 1.8 3.4| 15.2 -1.7 13.5 13.5 0.20| 12.3 2.5 1500 6 4 202 6| 1.1 2.6 3.6| 25.8 -1.7 24.1 16.0 0.32| 10.0 3.2 2000 334 5 221 8| 0.8 2.6 3.4| 29.5 -1.7 27.7 13.9 0.33| 8.4 2.7 2500 319 6 226 9| 0.6 2.0 2.6| 30.5 -3.4 27.1 10.9 0.30| 7.1 2.1 3000 310 6 230 10| 0.8 1.7 2.5| 44.4 -3.4 41.0 13.7 0.37| 6.7 2.4 4000 338 10 262 7| 2.5 1.8 4.3|129.7 -19.3 110.4 27.6 0.51| 9.0 4.6 5000 348 13 295 6| 2.0 1.6 3.6|143.9 -39.7 104.2 20.8 0.42| 8.2 3.5 6000 345 14 298 7| 1.7 2.2 3.9|143.9 -89.6 54.3 9.1 0.21| 8.1 1.7 Wrote GIF file: /home/apache/climate/data/raob//VTUU/skewt/VTUU.skewt.20260118.00.gif