UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050800.upa.cvt Date: 0000Z 8 MAY 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 8 MAY 25 Station: VTBC WMO ident: 48480 Latitude: 12.60 Longitude: 102.12 Elevation: 4.00 ------------------------------------------------------------------------------- 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 1006 4 27.0 25.0 89 2.0 25.5 0 0 299.6 303.3 298.5 358.9 20.21 1 1000 58 26.2 25.1 94 1.1 25.4 170 3 299.4 303.1 298.5 359.3 20.46 2 993 120 27.2 24.8 87 2.4 25.4 174 5 301.0 304.7 298.8 360.6 20.23 3 925 748 23.2 22.0 93 1.2 22.3 210 10 303.0 306.4 298.2 357.3 18.28 4 857 1413 19.4 19.4 100 0.0 19.4 196 11 305.8 308.9 297.9 356.0 16.77 5 850 1484 19.2 18.9 98 0.3 19.0 195 11 306.3 309.3 297.8 355.5 16.38 6 700 3140 12.6 3.6 54 9.0 7.3 175 6 316.4 317.8 294.0 338.9 7.10 7 695 3200 12.4 2.4 50 10.0 6.6 177 6 316.9 318.1 293.7 337.7 6.56 8 672 3481 10.4 4.4 66 6.0 6.8 185 7 317.7 319.2 294.9 342.5 7.83 9 622 4121 7.6 -9.4 29 17.0 -0.2 197 7 321.6 322.2 292.2 331.6 3.01 10 595 4484 4.8 -4.2 52 9.0 0.2 203 6 322.4 323.4 293.8 337.9 4.71 11 576 4748 3.2 -9.8 38 13.0 -2.7 187 5 323.6 324.2 292.8 334.1 3.15 12 548 5150 -0.3 -5.1 70 4.8 -2.7 170 5 324.1 325.0 294.3 339.8 4.78 13 521 5553 -1.1 -14.1 37 13.0 -6.4 169 6 327.8 328.3 293.4 336.3 2.47 14 503 5833 -3.1 -17.1 33 14.0 -8.4 166 6 328.7 329.1 293.2 335.6 1.99 15 500 5880 -3.3 -14.3 42 11.0 -7.8 165 6 329.0 329.5 293.7 337.7 2.53 16 473 6316 -5.9 -16.9 41 11.0 -10.1 159 5 331.1 331.5 294.0 338.6 2.15 17 464 6466 -7.1 -11.8 69 4.7 -9.1 159 6 331.4 332.1 295.0 342.8 3.34 18 455 6618 -7.7 -15.7 53 8.0 -10.8 158 6 332.5 333.0 294.6 341.1 2.47 19 452 6670 -7.7 -20.7 34 13.0 -12.1 158 6 333.1 333.5 294.0 338.9 1.63 20 440 6878 -8.7 -17.7 48 9.0 -12.0 157 7 334.4 334.9 294.8 342.1 2.16 21 424 7164 -9.7 -29.7 18 20.0 -15.0 156 7 336.7 336.9 294.2 339.6 0.77 22 400 7610 -13.9 -29.9 25 16.0 -17.9 155 8 336.9 337.1 294.3 339.9 0.80 23 387 7861 -15.7 -27.7 35 12.0 -18.8 161 8 337.8 338.0 294.7 341.5 1.01 24 376 8078 -16.9 -35.9 18 19.0 -20.7 161 8 339.0 339.1 294.5 340.8 0.47 25 360 8404 -19.3 -29.3 41 10.0 -21.7 163 9 340.0 340.2 295.1 343.5 0.94 26 358 8445 -19.5 -30.5 37 11.0 -22.0 163 9 340.3 340.4 295.1 343.5 0.84 27 354 8529 -18.9 -40.9 12 22.0 -22.7 163 9 342.2 342.2 295.1 343.4 0.30 28 349 8635 -19.3 -37.3 19 18.0 -22.7 163 10 343.0 343.1 295.4 344.8 0.44 29 328 9094 -23.5 -36.5 29 13.0 -25.8 165 11 343.4 343.5 295.6 345.4 0.51 30 305 9621 -28.1 -47.1 15 19.0 -30.3 149 11 344.1 344.2 295.5 344.9 0.18 31 300 9740 -29.1 -45.1 20 16.0 -31.0 145 11 344.4 344.4 295.6 345.3 0.23 32 295 9860 -29.9 -43.9 24 14.0 -31.6 143 11 344.9 344.9 295.7 346.0 0.26 33 294 9884 -30.3 -37.3 50 7.0 -31.4 143 11 344.7 344.8 295.9 346.7 0.53 34 267 10558 -36.3 -48.3 28 12.0 -37.3 132 12 345.5 345.6 295.8 346.3 0.18 35 262 10689 -37.5 -47.5 35 10.0 -38.4 128 12 345.6 345.7 295.8 346.5 0.20 36 261 10715 -37.7 -45.7 43 8.0 -38.4 125 12 345.7 345.8 295.9 346.7 0.25 37 259 10768 -37.7 -57.7 11 20.0 -38.9 119 11 346.5 346.5 295.9 346.8 0.06 38 251 10983 -39.3 -51.3 27 12.0 -40.1 93 10 347.2 347.3 296.1 347.8 0.14 39 250 11010 -39.5 -49.5 34 10.0 -40.2 90 10 347.3 347.4 296.2 348.0 0.17 40 245 11148 -40.5 -43.9 70 3.4 -40.8 84 10 347.9 347.9 296.4 349.1 0.32 41 238 11345 -41.9 -45.1 71 3.2 -42.2 75 10 348.6 348.7 296.6 349.8 0.29 42 225 11723 -44.5 -48.7 63 4.2 -44.8 57 10 350.3 350.3 296.9 351.2 0.20 43 200 12500 -51.5 -55.8 60 4.3 -51.7 20 12 351.2 351.2 297.0 351.6 0.10 44 164 13761 -61.7 -66.4 53 4.7 -61.8 31 21 354.6 354.6 297.7 354.8 0.03 45 158 13992 -63.1 -72.1 29 9.0 -63.2 34 18 356.0 356.0 297.9 356.1 0.01 46 150 14310 -66.1 -72.1 43 6.0 -66.1 40 15 356.2 356.2 298.0 356.3 0.02 47 142 14640 -68.9 -73.9 48 5.0 -68.9 55 16 357.0 357.0 298.1 357.0 0.01 48 135 14940 -71.3 -79.3 29 8.0 -71.3 70 17 357.9 357.9 298.3 357.9 0.01 49 100 16660 -83.5 -87.2 52 3.7 -83.5 135 27 366.4 366.4 299.9 366.4 0.00 50 87 17423 -87.9 -91.0 56 3.1 -87.9 130 22 372.4 372.4 301.0 372.4 0.00 51 83 17679 -86.7 -91.1 44 4.4 -86.7 157 17 379.9 379.9 302.2 379.9 0.00 52 82 17745 -83.1 -89.1 34 6.0 -83.1 164 15 388.6 388.6 303.6 388.6 0.00 53 74 18319 -81.1 -88.1 30 7.0 -81.1 237 4 404.4 404.4 305.8 404.4 0.00 54 70 18630 -82.3 -89.3 29 7.0 -82.3 35 6 408.3 408.3 306.3 408.3 0.00 55 66 18961 -79.5 -89.5 18 10.0 -79.6 1 7 421.3 421.3 307.9 421.3 0.00 56 63 19229 -72.5 -90.5 5 18.0 -72.6 334 9 442.4 442.4 310.1 442.4 0.00 57 62 19323 -72.9 -94.9 2 22.0 -73.0 325 9 443.6 443.6 310.3 443.6 0.00 58 61 19419 -68.9 -92.9 2 24.0 -69.1 315 9 454.5 454.5 311.3 454.5 0.00 59 59 19620 -66.5 -93.5 1 27.0 -66.7 296 10 464.3 464.3 312.1 464.3 0.00 60 50 20630 -62.7 -89.7 1 27.0 -63.1 60 4 495.7 495.7 314.7 495.7 0.00 61 30 23830 -54.5 -85.5 1 31.0 -56.2 90 18 596.1 596.1 320.5 596.1 0.01 62 25 24985 -59.1 -87.1 1 28.0 -60.3 96 20 614.8 614.8 321.3 614.8 0.01 63 21 26102 -49.9 -83.9 1 34.0 -53.3 98 26 674.0 674.0 323.6 674.1 0.02 TRP 87 17423 -87.9 -91.0 56 3.1 -87.9 130 22 372.4 372.4 301.0 372.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5822.00 m Freezing level: 550.40 mb = 5115.11 m = 16781.66 ft Wetbulb zero: 623.53 mb = 4100.54 m = 13453.06 ft Precipitable water: 2.28 inches Sfc-500 mean rel hum: 66.68 % Est. max temperature: 33.20 C = 91.75 F Sfc-Lift cond lev (LCL): 977.70 mb = 257.83 m = 845.90 ft T: 26.32 C 700-500 lapse rate: 5.80 C/km ThetaE index: 22.92 C Layer 925.0- 672.0 mb Conv cond level (CCL): 913.31 mb = 858.76 m = 2817.41 ft Mean mixing ratio: 19.16 g/kg Conv temperature: 30.85 C = 87.53 F Cap Strength: 0.75 C Lifted Index: -3.26 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -5.21 C Lifted Index @700 mb: -0.25 C Showalter Index: -2.21 C Risk: Severe thunderstorms possible Total Totals Index: 44.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.50 C Cross Totals Index: 22.20 C K Index: 32.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 254.80 Risk: None Energy Index: -3.46 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1649.25 J/kg Max Up Vert Vel: 57.43 m/s Conv Inhibition (B-): 4.58 J/kg Cap Strength: 0.75 C Lift Cond Lev (LCL): 933.33 mb = 668.70 m = 2193.86 ft Lev Free Conv (LFC): 888.33 mb = 1100.33 m = 3609.98 ft Equ Level (EL): 128.33 mb = 15230.72 m = 49968.96 ft B at Equ Level: 1640.74 J/kg Max Parcel Lev (MPL): 68.33 mb = 18765.86 m = 61567.03 ft Wind level data Storm motion: 217 at 6 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 4 0 0 -0.0 -0.0 | 37 6 -3.5 -4.6 1 1000 58 170 3 -0.5 3.0 | 68 4 -4.0 -1.6 2 972 305 185 10 0.9 10.0 | 154 6 -2.6 5.4 3 940 610 205 11 4.6 10.0 | 192 6 1.2 5.4 4 925 748 210 10 5.0 8.7 | 201 4 1.5 4.1 5 907 914 205 10 4.2 9.1 | 190 5 0.8 4.5 6 850 1484 195 11 2.8 10.6 | 174 6 -0.6 6.1 7 846 1524 195 11 2.8 10.6 | 174 6 -0.6 6.1 8 788 2134 180 9 0.0 9.0 | 142 6 -3.5 4.4 9 708 3048 170 6 -1.0 5.9 | 107 5 -4.5 1.3 10 700 3140 175 6 -0.5 6.0 | 110 4 -4.0 1.4 11 657 3658 190 8 1.4 7.9 | 148 4 -2.1 3.3 12 587 4572 205 6 2.5 5.4 | 133 1 -0.9 0.9 13 566 4877 170 5 -0.9 4.9 | 95 4 -4.3 0.4 14 525 5486 170 6 -1.0 5.9 | 107 5 -4.5 1.3 15 500 5880 165 6 -1.6 5.8 | 104 5 -5.0 1.2 16 486 6096 160 5 -1.7 4.7 | 92 5 -5.2 0.1 17 400 7610 155 8 -3.4 7.3 | 111 7 -6.8 2.7 18 399 7620 160 7 -2.4 6.6 | 109 6 -5.9 2.0 19 325 9144 165 11 -2.8 10.6 | 134 9 -6.3 6.1 20 300 9740 145 11 -6.3 9.0 | 114 11 -9.8 4.4 21 263 10668 130 12 -9.2 7.7 | 104 13 -12.7 3.2 22 250 11010 90 10 -10.0 0.0 | 71 14 -13.5 -4.6 23 209 12192 35 10 -5.7 -8.2 | 36 16 -9.2 -12.8 24 200 12500 20 12 -4.1 -11.3 | 26 18 -7.6 -15.8 25 165 13716 30 21 -10.5 -18.2 | 32 27 -14.0 -22.7 26 150 14310 40 15 -9.6 -11.5 | 39 21 -13.1 -16.1 27 128 15240 85 18 -17.9 -1.6 | 74 22 -21.4 -6.1 28 104 16459 130 26 -19.9 16.7 | 117 26 -23.4 12.2 29 100 16660 135 27 -19.1 19.1 | 123 27 -22.6 14.5 30 87 17423 130 22 -16.9 14.1 | 115 22 -20.3 9.6 31 74 18288 220 4 2.6 3.1 | 31 2 -0.9 -1.5 32 70 18630 35 6 -3.4 -4.9 | 36 12 -6.9 -9.5 33 57 19812 280 11 10.8 -1.9 | 311 10 7.4 -6.5 34 50 20630 60 4 -3.5 -2.0 | 47 10 -6.9 -6.6 35 45 21336 115 9 -8.2 3.8 | 86 12 -11.6 -0.8 36 35 22860 35 11 -6.3 -9.0 | 36 17 -9.8 -13.6 37 30 23830 90 18 -18.0 0.0 | 78 22 -21.5 -4.6 38 26 24384 95 19 -18.9 1.7 | 83 23 -22.4 -2.9 39 18 25908 100 30 -29.5 5.2 | 91 33 -33.0 0.6 40 16 26518 95 30 -29.9 2.6 | 87 33 -33.3 -1.9 Wind Parameters Mean winds (0-6000m): 187.2 at 7.6 knts Storm direction: 217.2 at 5.7 knts Shear (0-3000m) pos: 0.2 neg: 1.2 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 71.3 deg Storm rel helicity (0-3000m) pos: 17.2 neg: -11.8 tot: 5.4 m^2/s^2 ave: 1.8 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 1.0 10^-3/s Energy-Hel index: 0.18 Bulk Rich Number: 562979.44 Bulk Shear: 0.00 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 ------------------------------------------------------------------------------- 500 187 7 138 4| 0.0 11.0 11.0| 14.6 0.0 14.6 29.2 0.94| 13.3 12.4 1000 198 9 170 4| 0.6 5.5 6.0| 17.2 -1.0 16.2 16.2 0.80| 8.4 6.7 1500 198 9 174 4| 0.4 4.0 4.4| 17.2 -2.8 14.4 9.6 0.65| 6.2 4.1 2000 196 10 170 5| 0.3 2.6 2.9| 17.2 -6.8 10.4 5.2 0.45| 5.3 2.4 2500 193 9 164 5| 0.2 1.8 2.0| 17.2 -9.5 7.7 3.1 0.32| 4.7 1.5 3000 190 9 157 5| 0.2 1.2 1.4| 17.2 -11.8 5.4 1.8 0.23| 4.2 1.0 4000 189 9 152 4| 0.5 0.9 1.4| 20.2 -11.8 8.4 2.1 0.29| 3.7 1.1 5000 190 8 148 4| 0.5 0.8 1.3| 20.3 -13.2 7.1 1.4 0.19| 3.5 0.7 6000 187 8 140 4| 0.4 0.7 1.1| 21.2 -14.4 6.8 1.1 0.18| 3.1 0.5 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250508.00.gif