UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for VTBP... Searching the city database file for: VTBP ... Date:0000Z 29 APR 25 Station: VTBP WMO ident: 48500 Latitude: 11.83 Longitude: 99.83 Elevation: 5.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1007 5 25.2 23.4 90 1.8 23.9 0 0 297.8 301.1 296.8 350.8 18.28 1 1003 46 24.6 19.6 74 5.0 21.1 326 5 297.5 300.1 294.1 339.4 14.46 2 1000 77 25.2 20.2 74 5.0 21.7 300 9 298.4 301.1 294.8 342.1 15.07 3 995 121 26.8 19.8 66 7.0 21.9 277 8 300.4 303.1 295.2 343.6 14.76 4 988 184 27.4 19.4 62 8.0 21.8 244 7 301.6 304.3 295.3 344.3 14.50 5 987 193 27.4 19.4 62 8.0 21.8 239 6 301.7 304.3 295.4 344.4 14.51 6 925 764 23.4 16.4 65 7.0 18.6 175 8 303.2 305.6 294.6 341.2 12.78 7 873 1267 20.2 14.2 68 6.0 16.2 167 12 305.0 307.1 294.3 340.1 11.74 8 850 1498 19.0 12.0 64 7.0 14.4 155 13 306.0 308.0 293.7 337.4 10.42 9 700 3141 10.0 -3.0 40 13.0 3.4 140 17 313.6 314.4 291.0 327.5 4.38 10 684 3333 9.4 -7.6 29 17.0 1.5 138 16 315.0 315.6 290.3 325.2 3.15 11 652 3728 6.6 -3.4 49 10.0 1.5 136 14 316.2 317.0 291.9 330.8 4.57 12 636 3931 6.6 -21.4 11 28.0 -3.1 139 13 318.4 318.6 289.4 322.1 1.09 13 635 3944 6.6 -19.4 14 26.0 -2.8 139 13 318.5 318.8 289.6 323.0 1.29 14 605 4339 3.8 -16.2 22 20.0 -3.9 146 11 319.8 320.1 290.5 325.8 1.78 15 597 4447 2.4 -4.6 60 7.0 -1.1 149 11 319.4 320.2 292.8 334.1 4.56 16 582 4652 1.8 -13.2 32 15.0 -4.3 154 10 321.0 321.4 291.4 328.9 2.37 17 556 5019 -0.9 -8.9 55 8.0 -4.5 165 9 322.0 322.7 292.7 333.6 3.51 18 551 5091 -1.3 -9.3 54 8.0 -4.8 168 9 322.4 323.0 292.7 333.7 3.43 19 541 5237 -1.3 -21.3 20 20.0 -8.0 174 8 324.1 324.3 291.3 328.6 1.29 20 533 5355 -2.7 -10.7 54 8.0 -6.1 179 7 323.8 324.4 292.9 334.4 3.17 21 518 5581 -3.1 -23.1 20 20.0 -9.5 188 6 325.9 326.2 291.7 330.0 1.15 22 511 5689 -4.3 -15.3 42 11.0 -8.5 193 5 325.8 326.2 292.7 333.5 2.28 23 500 5860 -4.9 -20.9 27 16.0 -10.2 200 4 327.1 327.4 292.3 332.1 1.45 24 473 6293 -6.9 -22.9 27 16.0 -11.9 253 4 329.8 330.1 292.9 334.4 1.28 25 459 6526 -8.9 -16.9 52 8.0 -11.8 239 3 330.2 330.6 293.8 337.9 2.22 26 458 6543 -8.9 -15.9 57 7.0 -11.5 238 3 330.4 330.9 294.0 338.7 2.42 27 449 6696 -9.1 -31.1 15 22.0 -14.6 229 3 332.0 332.1 292.9 334.4 0.64 28 434 6958 -9.9 -31.9 15 22.0 -15.3 213 3 334.2 334.4 293.4 336.5 0.61 29 400 7580 -14.5 -33.5 18 19.0 -18.7 175 2 336.1 336.3 293.9 338.3 0.57 30 389 7791 -16.1 -36.1 16 20.0 -20.1 189 2 336.7 336.8 293.9 338.5 0.45 31 381 7947 -17.1 -28.1 38 11.0 -19.9 197 2 337.4 337.6 294.6 341.1 0.99 32 302 9652 -29.1 -52.1 9 23.0 -31.3 100 3 343.7 343.7 295.3 344.1 0.10 33 300 9700 -29.7 -50.7 11 21.0 -31.7 85 3 343.5 343.5 295.3 344.0 0.12 34 250 10980 -39.5 -52.5 24 13.0 -40.4 95 6 347.3 347.4 296.1 347.8 0.12 35 200 12460 -52.3 -56.4 61 4.1 -52.4 60 9 349.9 350.0 296.7 350.3 0.09 36 190 12790 -55.3 -58.9 64 3.6 -55.4 64 10 350.3 350.3 296.8 350.6 0.07 37 156 14022 -65.5 -71.5 43 6.0 -65.5 97 14 353.3 353.3 297.4 353.3 0.02 38 150 14260 -67.7 -73.7 42 6.0 -67.7 115 17 353.5 353.5 297.4 353.5 0.01 39 139 14712 -71.7 -77.7 40 6.0 -71.7 111 16 354.2 354.2 297.5 354.2 0.01 40 119 15611 -78.5 -82.9 49 4.4 -78.5 112 14 357.8 357.8 298.2 357.8 0.00 41 105 16317 -81.5 -85.5 51 4.0 -81.5 127 15 365.1 365.1 299.7 365.1 0.00 42 102 16479 -82.1 -86.1 50 4.0 -82.1 121 14 367.0 367.0 300.0 367.0 0.00 43 101 16534 -81.1 -85.3 49 4.2 -81.1 91 10 370.0 370.0 300.5 370.0 0.00 44 100 16590 -81.3 -85.6 48 4.3 -81.3 60 7 370.6 370.6 300.7 370.7 0.00 45 96 16819 -82.7 -86.5 52 3.8 -82.7 80 6 372.3 372.3 300.9 372.3 0.00 46 94 16936 -82.9 -87.3 46 4.4 -82.9 90 5 374.1 374.1 301.3 374.1 0.00 47 93 16996 -82.9 -87.1 48 4.2 -82.9 88 6 375.3 375.3 301.5 375.3 0.00 48 87 17373 -77.3 -84.3 32 7.0 -77.3 79 11 393.8 393.8 304.3 393.8 0.00 49 86 17439 -77.5 -85.5 26 8.0 -77.5 77 11 394.7 394.7 304.5 394.7 0.00 50 72 18450 -80.5 -85.5 43 5.0 -80.5 100 15 408.9 408.9 306.4 408.9 0.00 51 72 18450 -80.5 -86.5 36 6.0 -80.5 100 15 408.9 408.9 306.4 408.9 0.00 52 70 18610 -76.9 -84.9 27 8.0 -76.9 145 8 419.9 419.9 307.7 419.9 0.00 53 68 18778 -75.5 -84.5 23 9.0 -75.6 163 9 426.4 426.4 308.4 426.4 0.00 54 67 18864 -75.5 -86.5 16 11.0 -75.6 172 10 428.2 428.2 308.6 428.2 0.00 55 53 20233 -73.1 -86.1 12 13.0 -73.2 262 18 463.4 463.4 312.1 463.5 0.00 56 51 20461 -69.9 -84.9 9 15.0 -70.1 257 18 476.1 476.1 313.1 476.1 0.01 57 50 20580 -65.3 -83.3 7 18.0 -65.6 255 18 489.6 489.6 314.2 489.6 0.01 58 50 20580 -65.3 -83.3 7 18.0 -65.6 255 18 489.6 489.6 314.2 489.6 0.01 59 43 21506 -62.5 -82.5 5 20.0 -63.0 267 15 518.1 518.1 316.2 518.1 0.01 60 42 21652 -59.7 -80.7 5 21.0 -60.4 257 14 528.5 528.5 316.8 528.6 0.01 61 37 22441 -62.1 -83.1 4 21.0 -62.7 203 7 541.9 541.9 317.6 541.9 0.01 62 35 22788 -58.3 -81.3 4 23.0 -59.2 179 4 560.4 560.4 318.6 560.5 0.02 63 30 23760 -57.7 -81.7 3 24.0 -58.9 45 21 587.3 587.3 320.0 587.5 0.02 64 26 24663 -57.7 -82.7 3 25.0 -59.0 59 20 611.9 611.9 321.2 612.0 0.02 65 25 24912 -54.5 -81.5 2 27.0 -56.4 64 20 628.0 628.0 321.8 628.1 0.02 66 22 25730 -55.1 -82.1 2 27.0 -57.1 79 21 649.6 649.6 322.7 649.7 0.02 67 21 26029 -52.1 -80.1 2 28.0 -54.9 85 21 667.3 667.3 323.3 667.6 0.03 TRP 94 16936 -82.9 -87.3 46 4.4 -82.9 90 5 374.1 374.1 301.3 374.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5783.00 m Freezing level: 564.67 mb = 4896.60 m = 16064.75 ft Wetbulb zero: 646.67 mb = 3794.98 m = 12450.58 ft Precipitable water: 1.53 inches Sfc-500 mean rel hum: 47.31 % Est. max temperature: 33.18 C = 91.72 F Sfc-Lift cond lev (LCL): 981.38 mb = 243.07 m = 797.46 ft T: 27.05 C 700-500 lapse rate: 5.48 C/km ThetaE index: 19.27 C Layer 925.0- 652.0 mb Conv cond level (CCL): 775.29 mb = 2276.49 m = 7468.70 ft Mean mixing ratio: 13.72 g/kg Conv temperature: 37.10 C = 98.77 F Cap Strength: 3.23 C Lifted Index: 0.82 C Risk: Showers probable Lifted Index @300 mb: 2.83 C Lifted Index @700 mb: 1.54 C Showalter Index: 2.99 C Risk: Showers probable Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 16.90 C K Index: 22.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 174.00 Risk: None Energy Index: -0.94 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.60 J/kg Max Up Vert Vel: 5.76 m/s Conv Inhibition (B-): 27310.80 J/kg Cap Strength: 3.23 C Lift Cond Lev (LCL): 862.53 mb = 1371.65 m = 4500.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 182 at 8 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 1007 5 0 0 -0.0 -0.0 | 2 8 -0.4 -8.2 1 1000 77 300 9 7.8 -4.5 | 330 15 7.4 -12.7 2 974 305 180 4 0.0 4.0 | 5 4 -0.4 -4.2 3 941 610 185 8 0.7 8.0 | 298 0 0.3 -0.2 4 925 764 175 8 -0.7 8.0 | 80 1 -1.1 -0.2 5 909 914 175 9 -0.8 9.0 | 125 1 -1.1 0.8 6 878 1219 170 12 -2.1 11.8 | 146 4 -2.4 3.7 7 850 1498 155 13 -5.5 11.8 | 122 7 -5.8 3.6 8 817 1829 150 13 -6.5 11.3 | 114 8 -6.9 3.1 9 788 2134 150 12 -6.0 10.4 | 109 7 -6.4 2.2 10 761 2438 145 13 -7.5 10.6 | 108 8 -7.8 2.5 11 734 2743 135 16 -11.3 11.3 | 105 12 -11.7 3.2 12 700 3141 140 17 -10.9 13.0 | 113 12 -11.3 4.9 13 657 3658 135 14 -9.9 9.9 | 100 10 -10.3 1.7 14 609 4267 145 11 -6.3 9.0 | 97 7 -6.7 0.9 15 565 4877 160 10 -3.4 9.4 | 108 4 -3.8 1.2 16 500 5860 200 4 1.4 3.8 | 347 5 1.0 -4.4 17 485 6096 265 4 4.0 0.3 | 335 9 3.6 -7.8 18 400 7580 175 2 -0.2 2.0 | 5 6 -0.5 -6.2 19 398 7620 180 2 0.0 2.0 | 3 6 -0.4 -6.2 20 324 9144 260 3 3.0 0.5 | 341 8 2.6 -7.6 21 300 9700 85 3 -3.0 -0.3 | 22 9 -3.3 -8.4 22 261 10668 105 5 -4.8 1.3 | 37 9 -5.2 -6.9 23 250 10980 95 6 -6.0 0.5 | 40 10 -6.3 -7.6 24 208 12192 85 7 -7.0 -0.6 | 40 11 -7.3 -8.8 25 200 12460 60 9 -7.8 -4.5 | 33 15 -8.1 -12.7 26 164 13716 75 11 -10.6 -2.8 | 45 16 -11.0 -11.0 27 150 14260 115 17 -15.4 7.2 | 86 16 -15.8 -1.0 28 126 15240 105 14 -13.5 3.6 | 72 15 -13.9 -4.5 29 102 16459 130 15 -11.5 9.6 | 97 12 -11.8 1.5 30 100 16590 60 7 -6.1 -3.5 | 29 13 -6.4 -11.7 31 94 16936 90 5 -5.0 0.0 | 33 10 -5.4 -8.2 32 74 18288 55 22 -18.0 -12.6 | 41 28 -18.4 -20.8 33 70 18610 145 8 -4.6 6.6 | 72 5 -4.9 -1.6 34 57 19812 270 17 17.0 -0.0 | 296 19 16.6 -8.2 35 50 20580 255 18 17.4 4.7 | 282 17 17.0 -3.5 36 44 21336 280 17 16.7 -3.0 | 304 20 16.4 -11.1 37 35 22860 175 3 -0.3 3.0 | 7 5 -0.6 -5.2 38 30 23760 45 21 -14.8 -14.8 | 33 28 -15.2 -23.0 39 26 24384 60 20 -17.3 -10.0 | 44 25 -17.7 -18.2 40 18 25908 105 22 -21.3 5.7 | 84 22 -21.6 -2.5 Wind Parameters Mean winds (0-6000m): 152.5 at 10.9 knts Storm direction: 182.5 at 8.2 knts Shear (0-3000m) pos: 0.0 neg: 2.9 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 108.0 deg Storm rel helicity (0-3000m) pos: 9.5 neg: -29.3 tot: -19.7 m^2/s^2 ave: -6.6 10^-3 m/s^2 rel: -0.14 Storm rel vorticity (0-3000m) horiz: 7.2 stream: -1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.95 Bulk Shear: 17.48 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 ------------------------------------------------------------------------------- 500 234 6 318 6| 0.0 6.8 6.8| 5.4 -21.3 -15.9 -31.8 -0.19| 23.9 -4.5 1000 192 7 320 2| 0.0 5.1 5.1| 5.9 -21.5 -15.5 -15.5 -0.10| 14.4 -1.4 1500 178 9 125 1| 0.0 4.5 4.5| 6.2 -24.9 -18.7 -12.4 -0.14| 11.5 -1.6 2000 168 10 120 3| 0.0 3.2 3.2| 6.2 -27.3 -21.1 -10.5 -0.17| 9.1 -1.6 2500 162 10 116 4| 0.0 2.8 2.8| 6.2 -28.3 -22.1 -8.8 -0.17| 7.8 -1.3 3000 156 11 113 5| 0.0 2.9 2.9| 9.5 -29.3 -19.7 -6.6 -0.14| 7.2 -1.0 4000 150 12 110 7| 0.4 1.9 2.3| 11.0 -36.9 -25.9 -6.5 -0.17| 6.1 -1.0 5000 150 12 108 7| 0.8 1.5 2.4| 12.3 -37.4 -25.1 -5.0 -0.14| 5.5 -0.8 6000 152 11 106 6| 1.4 1.3 2.7| 12.3 -40.3 -28.0 -4.7 -0.19| 5.4 -1.0 Wrote GIF file: /home/apache/climate/data/raob//VTBP/skewt/VTBP.skewt.20250429.00.gif