UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for VTBP... Searching the city database file for: VTBP ... Date:0000Z 27 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 1010 5 25.0 22.3 85 2.7 23.0 0 0 297.3 300.4 295.8 346.6 17.02 1 1000 97 26.4 22.1 77 4.3 23.3 235 3 299.5 302.6 296.4 349.2 16.98 2 996 133 27.2 22.2 74 5.0 23.6 230 4 300.7 303.8 296.8 351.1 17.16 3 978 295 26.6 20.6 70 6.0 22.3 207 8 301.7 304.6 296.3 348.2 15.81 4 925 786 23.4 19.3 78 4.1 20.5 200 7 303.2 306.1 296.4 348.9 15.41 5 850 1520 19.2 14.2 73 5.0 15.8 140 9 306.3 308.5 294.9 342.5 12.07 6 700 3167 10.6 4.6 66 6.0 7.1 85 11 314.2 315.7 293.9 338.0 7.62 7 589 4584 1.8 -4.2 64 6.0 -1.2 43 7 319.9 320.8 293.2 335.3 4.76 8 586 4626 1.4 -4.6 64 6.0 -1.6 42 7 319.9 320.8 293.0 335.0 4.64 9 559 5004 -0.9 -7.9 59 7.0 -4.1 40 5 321.5 322.3 292.8 333.9 3.77 10 543 5236 -1.5 -17.5 28 16.0 -7.4 52 4 323.5 323.8 291.6 329.6 1.78 11 505 5812 -4.9 -13.9 49 9.0 -8.5 81 3 326.1 326.6 293.0 334.9 2.59 12 500 5890 -4.9 -19.9 30 15.0 -10.0 85 3 327.1 327.4 292.4 332.6 1.58 13 498 5922 -4.9 -22.9 23 18.0 -10.6 81 3 327.4 327.7 292.2 331.7 1.22 14 488 6081 -5.9 -14.9 49 9.0 -9.4 62 4 328.1 328.6 293.4 336.6 2.46 15 459 6558 -8.9 -22.9 31 14.0 -13.2 105 4 330.2 330.4 293.0 334.9 1.32 16 432 7025 -11.9 -17.9 61 6.0 -14.0 151 4 332.1 332.6 294.3 339.7 2.17 17 410 7423 -14.1 -28.1 30 14.0 -17.7 191 4 334.3 334.5 293.7 337.7 0.92 18 400 7610 -15.5 -27.5 35 12.0 -18.6 210 4 334.8 335.0 294.0 338.5 1.00 19 371 8173 -19.3 -26.3 54 7.0 -21.1 160 4 337.1 337.3 294.7 341.5 1.20 20 352 8562 -21.3 -33.3 33 12.0 -23.7 121 4 339.5 339.6 294.8 342.0 0.66 21 331 9012 -24.7 -31.7 52 7.0 -26.1 75 4 340.9 341.0 295.3 343.9 0.81 22 316 9348 -26.9 -39.9 28 13.0 -28.8 79 7 342.3 342.4 295.3 343.8 0.38 23 311 9463 -27.9 -33.9 56 6.0 -29.0 90 8 342.5 342.7 295.6 345.2 0.70 24 300 9720 -29.7 -35.7 56 6.0 -30.7 115 12 343.5 343.6 295.7 345.9 0.61 25 288 10009 -32.3 -36.8 64 4.5 -33.0 119 12 343.8 344.0 295.7 346.0 0.57 26 269 10486 -35.7 -41.7 54 6.0 -36.4 127 13 345.7 345.7 296.0 347.1 0.37 27 264 10615 -36.3 -48.3 28 12.0 -37.4 129 13 346.7 346.7 296.1 347.4 0.18 28 250 10990 -39.5 -45.5 53 6.0 -40.0 120 13 347.3 347.4 296.3 348.4 0.26 29 247 11073 -40.3 -45.3 59 5.0 -40.7 120 13 347.3 347.4 296.3 348.4 0.27 30 200 12480 -52.1 -58.1 48 6.0 -52.3 115 17 350.3 350.3 296.8 350.6 0.07 31 150 14270 -67.5 -73.5 42 6.0 -67.5 90 16 353.8 353.8 297.4 353.9 0.01 32 147 14391 -68.9 -73.9 48 5.0 -68.9 91 15 353.4 353.4 297.4 353.5 0.01 33 121 15534 -77.3 -82.2 45 4.9 -77.3 79 11 358.3 358.3 298.4 358.3 0.00 34 117 15727 -76.7 -82.7 38 6.0 -76.7 68 11 362.9 362.9 299.2 362.9 0.00 35 101 16564 -81.5 -86.5 42 5.0 -81.5 38 17 369.2 369.2 300.4 369.2 0.00 36 100 16620 -81.5 -86.5 42 5.0 -81.5 45 19 370.3 370.3 300.6 370.3 0.00 37 96 16849 -81.5 -86.3 44 4.8 -81.5 374.6 374.6 301.4 374.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5793.00 m Freezing level: 569.57 mb = 4856.14 m = 15932.03 ft Wetbulb zero: 605.27 mb = 4360.68 m = 14306.51 ft Precipitable water: 2.01 inches Sfc-500 mean rel hum: 64.58 % Est. max temperature: 33.56 C = 92.42 F Sfc-Lift cond lev (LCL): 971.41 mb = 354.16 m = 1161.92 ft T: 26.21 C 700-500 lapse rate: 5.69 C/km ThetaE index: 19.35 C Layer 850.0- 505.0 mb Conv cond level (CCL): 826.86 mb = 1754.18 m = 5755.12 ft Mean mixing ratio: 15.87 g/kg Conv temperature: 35.12 C = 95.22 F Cap Strength: 2.45 C Lifted Index: -1.52 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.66 C Lifted Index @700 mb: 0.33 C Showalter Index: 0.88 C Risk: Thunderstorms probable Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 19.10 C K Index: 32.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 191.40 Risk: None Energy Index: -1.88 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 375.41 J/kg Max Up Vert Vel: 27.40 m/s Conv Inhibition (B-): 115.74 J/kg Cap Strength: 2.45 C Lift Cond Lev (LCL): 894.07 mb = 1081.25 m = 3547.36 ft Lev Free Conv (LFC): 679.07 mb = 3416.22 m = 11207.94 ft Equ Level (EL): 259.07 mb = 10745.13 m = 35252.62 ft B at Equ Level: 372.83 J/kg Max Parcel Lev (MPL): 129.07 mb = 15154.97 m = 49720.44 ft Wind level data Storm motion: 126 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 1010 5 0 0 -0.0 -0.0 | 306 6 4.7 -3.4 1 1000 97 235 3 2.5 1.7 | 284 7 7.1 -1.7 2 977 305 205 8 3.4 7.3 | 245 9 8.1 3.8 3 944 610 190 10 1.7 9.8 | 225 9 6.4 6.4 4 925 786 200 7 2.4 6.6 | 246 8 7.1 3.1 5 911 914 195 6 1.6 5.8 | 249 7 6.2 2.4 6 880 1219 150 7 -3.5 6.1 | 204 3 1.2 2.6 7 850 1520 140 9 -5.8 6.9 | 162 4 -1.1 3.5 8 820 1829 125 8 -6.6 4.6 | 122 2 -1.9 1.1 9 791 2134 105 10 -9.7 2.6 | 80 5 -5.0 -0.9 10 763 2438 95 11 -11.0 1.0 | 68 7 -6.3 -2.5 11 736 2743 90 10 -10.0 0.0 | 57 6 -5.3 -3.4 12 700 3167 85 11 -11.0 -1.0 | 55 8 -6.3 -4.4 13 659 3658 75 10 -9.7 -2.6 | 40 8 -5.0 -6.0 14 611 4267 50 9 -6.9 -5.8 | 13 9 -2.2 -9.2 15 567 4877 35 5 -2.9 -4.1 | 346 8 1.8 -7.5 16 500 5890 85 3 -3.0 -0.3 | 335 4 1.7 -3.7 17 487 6096 60 4 -3.5 -2.0 | 347 6 1.2 -5.4 18 400 7610 210 4 2.0 3.5 | 270 7 6.7 0.0 19 399 7620 215 4 2.3 3.3 | 271 7 7.0 -0.2 20 325 9144 60 4 -3.5 -2.0 | 347 6 1.2 -5.4 21 300 9720 115 12 -10.9 5.1 | 105 6 -6.2 1.6 22 262 10668 130 13 -10.0 8.4 | 133 7 -5.3 4.9 23 250 10990 120 13 -11.3 6.5 | 115 7 -6.6 3.1 24 209 12192 125 12 -9.8 6.9 | 124 6 -5.1 3.4 25 200 12480 115 17 -15.4 7.2 | 109 11 -10.7 3.7 26 164 13716 110 15 -14.1 5.1 | 100 10 -9.4 1.7 27 150 14270 90 16 -16.0 0.0 | 73 12 -11.3 -3.4 28 127 15240 95 10 -10.0 0.9 | 64 6 -5.3 -2.6 29 103 16459 25 13 -5.5 -11.8 | 3 15 -0.8 -15.2 30 100 16620 45 19 -13.4 -13.4 | 27 19 -8.7 -16.9 Wind Parameters Mean winds (0-6000m): 96.3 at 7.8 knts Storm direction: 126.3 at 5.8 knts Shear (0-3000m) pos: 0.0 neg: 1.8 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 109.6 deg Storm rel helicity (0-3000m) pos: 7.3 neg: -37.8 tot: -30.5 m^2/s^2 ave: -10.2 10^-3 m/s^2 rel: -0.61 Storm rel vorticity (0-3000m) horiz: 5.8 stream: -3.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 22.01 Bulk Shear: 17.06 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 ------------------------------------------------------------------------------- 500 206 6 255 8| 0.0 9.6 9.6| 0.0 -20.9 -20.9 -41.8 -0.94| 11.1-10.4 1000 199 7 246 8| 0.0 3.2 3.2| 7.3 -25.1 -17.7 -17.7 -0.50| 9.1 -4.5 1500 183 7 234 6| 0.0 3.1 3.1| 7.3 -29.7 -22.3 -14.9 -0.57| 8.1 -4.7 2000 166 7 218 5| 0.0 2.4 2.4| 7.3 -32.3 -25.0 -12.5 -0.61| 7.2 -4.4 2500 148 8 188 3| 0.0 2.2 2.2| 7.3 -35.8 -28.5 -11.4 -0.61| 6.6 -4.0 3000 135 8 152 3| 0.0 1.8 1.8| 7.3 -37.8 -30.5 -10.2 -0.61| 5.8 -3.6 4000 114 9 94 3| 0.0 1.2 1.2| 7.3 -47.3 -39.9 -10.0 -0.65| 5.0 -3.2 5000 101 9 64 4| 0.0 0.5 0.5| 7.5 -60.3 -52.8 -10.6 -0.68| 4.7 -3.2 6000 96 8 49 4| 0.2 0.4 0.6| 8.3 -61.5 -53.2 -8.9 -0.63| 4.3 -2.7 Wrote GIF file: /home/apache/climate/data/raob//VTBP/skewt/VTBP.skewt.20250427.00.gif