UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060800.upa.cvt Date: 0000Z 8 JUN 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 8 JUN 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 26.0 25.0 94 1.0 25.3 0 0 298.6 302.3 298.2 357.6 20.21 1 1004 22 26.0 25.7 98 0.3 25.8 310 1 298.8 302.7 298.8 360.6 21.14 2 1000 58 25.8 25.3 97 0.5 25.4 210 3 299.0 302.7 298.6 359.5 20.71 3 990 147 26.8 25.2 91 1.6 25.6 212 7 300.8 304.6 299.1 362.1 20.80 4 925 747 22.8 22.0 95 0.8 22.2 230 20 302.6 306.0 298.1 356.8 18.28 5 850 1482 19.2 17.4 89 1.8 17.9 245 16 306.3 309.0 296.8 350.9 14.87 6 768 2349 14.0 11.7 86 2.3 12.5 248 14 309.7 311.8 295.3 344.2 11.32 7 720 2894 12.8 5.8 62 7.0 8.6 242 9 314.1 315.7 294.1 339.3 8.06 8 713 2976 13.0 5.0 58 8.0 8.2 241 9 315.2 316.7 294.1 339.4 7.69 9 700 3131 11.8 4.8 62 7.0 7.6 230 9 315.6 317.0 294.3 339.8 7.73 10 675 3435 10.2 1.2 54 9.0 5.1 216 8 317.1 318.3 293.5 336.8 6.19 11 601 4392 4.0 2.0 87 2.0 2.8 119 6 320.6 322.0 295.3 344.3 7.38 12 500 5870 -3.7 -9.7 63 6.0 -6.4 100 26 328.5 329.3 294.6 340.9 3.66 13 490 6029 -4.5 -12.5 54 8.0 -7.9 97 26 329.5 330.1 294.3 339.7 2.99 14 454 6626 -8.3 -12.3 73 4.0 -10.0 86 26 332.0 332.6 295.1 343.2 3.28 15 437 6922 -10.1 -19.1 48 9.0 -13.2 81 27 333.3 333.7 294.4 340.2 1.93 16 430 7046 -11.1 -15.3 71 4.2 -12.7 79 27 333.6 334.1 295.0 343.0 2.71 17 421 7208 -11.3 -14.0 80 2.7 -12.4 77 27 335.4 336.0 295.8 346.1 3.08 18 415 7319 -11.5 -15.6 72 4.1 -13.1 75 27 336.5 337.0 295.8 346.1 2.74 19 400 7600 -13.5 -18.0 69 4.5 -15.1 70 27 337.4 337.9 295.7 345.7 2.32 20 367 8249 -17.9 -20.7 79 2.8 -18.8 78 27 340.0 340.4 296.0 347.2 2.01 21 361 8372 -18.9 -22.2 75 3.3 -19.9 80 27 340.3 340.6 295.9 346.8 1.79 22 338 8859 -21.3 -29.3 49 8.0 -23.2 86 27 343.5 343.7 296.0 347.2 1.00 23 336 8903 -21.7 -26.7 64 5.0 -23.0 87 27 343.5 343.8 296.3 348.3 1.28 24 302 9682 -25.9 -38.9 28 13.0 -28.0 99 22 348.2 348.3 296.6 350.0 0.44 25 300 9730 -26.3 -39.3 28 13.0 -28.4 100 21 348.3 348.4 296.6 350.0 0.42 26 272 10431 -32.3 -46.3 24 14.0 -33.8 111 28 349.5 349.6 296.7 350.4 0.22 27 250 11020 -37.3 -46.3 39 9.0 -38.1 125 34 350.6 350.7 297.0 351.6 0.24 28 232 11529 -42.1 -48.1 52 6.0 -42.6 110 33 350.9 350.9 297.0 351.8 0.21 29 200 12510 -50.9 -59.9 34 9.0 -51.2 90 40 352.2 352.2 297.1 352.4 0.06 30 190 12842 -54.1 -61.1 42 7.0 -54.3 89 40 352.2 352.2 297.1 352.5 0.05 31 167 13659 -60.3 -72.3 19 12.0 -60.4 85 41 355.1 355.1 297.7 355.2 0.01 32 157 14042 -63.7 -71.7 33 8.0 -63.8 80 47 355.7 355.7 297.8 355.7 0.02 33 152 14240 -65.5 -67.6 75 2.1 -65.5 76 50 355.9 355.9 297.9 356.0 0.03 34 150 14320 -66.3 -68.5 74 2.2 -66.3 75 52 355.9 355.9 297.9 356.0 0.03 35 137 14864 -70.9 -75.9 47 5.0 -70.9 78 64 357.1 357.1 298.1 357.1 0.01 36 122 15543 -76.3 -79.0 65 2.7 -76.3 81 83 359.3 359.3 298.5 359.3 0.01 37 110 16138 -77.7 -82.3 47 4.6 -77.7 84 105 367.4 367.5 300.1 367.5 0.00 38 100 16680 -81.1 -84.0 61 2.9 -81.1 85 119 371.0 371.0 300.8 371.0 0.00 39 85 17587 -84.3 -87.6 56 3.3 -84.3 85 158 382.2 382.2 302.6 382.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5812.00 m Freezing level: 548.53 mb = 5159.77 m = 16928.18 ft Wetbulb zero: 570.10 mb = 4815.98 m = 15800.25 ft Precipitable water: 2.45 inches Sfc-500 mean rel hum: 78.77 % Est. max temperature: 33.33 C = 92.00 F Sfc-Lift cond lev (LCL): 991.97 mb = 129.55 m = 425.02 ft T: 26.60 C 700-500 lapse rate: 5.66 C/km ThetaE index: 22.85 C Layer 925.0- 713.0 mb Conv cond level (CCL): 928.81 mb = 710.71 m = 2331.70 ft Mean mixing ratio: 19.39 g/kg Conv temperature: 29.88 C = 85.78 F Cap Strength: 0.52 C Lifted Index: -3.78 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.59 C Lifted Index @700 mb: -1.11 C Showalter Index: -1.08 C Risk: Thunderstorms probable Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 21.10 C K Index: 33.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 266.80 Risk: None Energy Index: -1.98 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1619.06 J/kg Max Up Vert Vel: 56.90 m/s Conv Inhibition (B-): 1.66 J/kg Cap Strength: 0.52 C Lift Cond Lev (LCL): 940.95 mb = 596.06 m = 1955.56 ft Lev Free Conv (LFC): 905.95 mb = 927.93 m = 3044.36 ft Equ Level (EL): 115.95 mb = 15835.63 m = 51953.52 ft B at Equ Level: 1561.26 J/kg Wind level data Storm motion: 230 at 10 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 | 50 10 -7.8 -6.5 1 1000 58 210 3 1.5 2.6 | 58 7 -6.3 -3.9 2 972 305 215 14 8.0 11.5 | 182 5 0.2 4.9 3 939 610 230 19 14.6 12.2 | 230 9 6.7 5.7 4 925 747 230 20 15.3 12.9 | 230 10 7.5 6.3 5 907 914 230 20 15.3 12.9 | 230 10 7.5 6.3 6 850 1482 245 16 14.5 6.8 | 268 7 6.7 0.2 7 846 1524 245 16 14.5 6.8 | 268 7 6.7 0.2 8 787 2134 250 16 15.0 5.5 | 278 7 7.2 -1.1 9 707 3048 240 8 6.9 4.0 | 20 3 -0.9 -2.5 10 700 3131 230 9 6.9 5.8 | 51 1 -0.9 -0.8 11 656 3658 205 8 3.4 7.3 | 99 5 -4.5 0.7 12 586 4572 95 6 -6.0 0.5 | 66 15 -13.8 -6.0 13 565 4877 95 11 -11.0 1.0 | 73 20 -18.8 -5.6 14 524 5486 105 22 -21.3 5.7 | 88 29 -29.1 -0.9 15 500 5870 100 26 -25.6 4.5 | 87 34 -33.4 -2.0 16 486 6096 95 26 -25.9 2.3 | 83 34 -33.7 -4.3 17 400 7600 70 27 -25.4 -9.2 | 65 37 -33.2 -15.8 18 399 7620 70 27 -25.4 -9.2 | 65 37 -33.2 -15.8 19 325 9144 90 27 -27.0 0.0 | 79 35 -34.8 -6.5 20 300 9730 100 21 -20.7 3.6 | 84 29 -28.5 -2.9 21 263 10668 115 30 -27.2 12.7 | 100 36 -35.0 6.1 22 250 11020 125 34 -27.9 19.5 | 110 38 -35.7 13.0 23 210 12192 90 31 -31.0 0.0 | 80 39 -38.8 -6.5 24 200 12510 90 40 -40.0 0.0 | 82 48 -47.8 -6.5 25 165 13716 85 41 -40.8 -3.6 | 78 50 -48.7 -10.1 26 150 14320 75 52 -50.2 -13.5 | 71 61 -58.1 -20.0 27 128 15240 80 73 -71.9 -12.7 | 76 82 -79.7 -19.2 28 104 16459 85 117 -116.6 -10.2 | 82 126 -124.4 -16.7 29 100 16680 85 119 -118.5 -10.4 | 82 128 -126.4 -16.9 30 83 17678 85 163 -162.4 -14.2 | 83 171 -170.2 -20.8 Wind Parameters Mean winds (0-6000m): 200.1 at 13.6 knts Storm direction: 230.1 at 10.2 knts Shear (0-3000m) pos: 1.2 neg: 2.0 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): -37.6 deg Storm rel helicity (0-3000m) pos: 38.2 neg: 0.0 tot: 38.2 m^2/s^2 ave: 12.7 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 4.7 10^-3/s Energy-Hel index: 0.34 Bulk Rich Number: 540.82 Bulk Shear: 2.99 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 ------------------------------------------------------------------------------- 500 218 11 144 2| 0.0 17.8 17.8| 17.1 0.0 17.1 34.2 0.76| 19.4 14.7 1000 226 15 216 5| 1.6 8.9 10.5| 22.8 0.0 22.8 22.8 0.72| 12.0 8.7 1500 230 16 231 6| 2.0 5.9 8.0| 32.1 0.0 32.1 21.4 0.75| 9.7 7.3 2000 235 16 242 6| 1.8 4.4 6.3| 33.9 0.0 33.9 16.9 0.76| 7.6 5.7 2500 237 16 250 6| 1.5 3.0 4.5| 35.8 0.0 35.8 14.3 0.71| 6.8 4.9 3000 238 15 255 5| 1.2 2.0 3.2| 38.2 0.0 38.2 12.7 0.72| 6.5 4.7 4000 234 13 248 3| 0.9 1.8 2.7| 39.7 -2.4 37.3 9.3 0.60| 6.3 3.7 5000 228 12 219 2| 0.7 1.8 2.6| 54.9 -21.8 33.1 6.6 0.42| 6.5 2.7 6000 200 14 153 7| 0.5 1.8 2.3| 88.6 -41.4 47.2 7.9 0.37| 6.7 2.5 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250608.00.gif