UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for VTBP... Searching the city database file for: VTBP ... Date:1200Z 28 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 30.4 24.4 70 6.0 25.9 110 3 302.9 306.5 298.8 360.7 19.45 1 1000 78 29.2 21.2 62 8.0 23.5 205 7 302.4 305.3 296.6 349.8 16.05 2 941 616 24.2 19.6 76 4.6 20.9 200 9 302.6 305.4 296.3 348.2 15.43 3 928 739 24.6 15.6 57 9.0 18.5 204 9 304.2 306.4 294.4 340.2 12.10 4 925 767 24.4 15.4 57 9.0 18.3 205 9 304.3 306.5 294.3 340.0 11.98 5 850 1502 19.2 13.2 68 6.0 15.3 175 10 306.3 308.4 294.4 340.2 11.29 6 821 1800 17.0 12.1 73 4.9 13.8 162 12 307.0 309.0 294.3 339.8 10.87 7 774 2301 14.4 8.4 67 6.0 10.7 137 11 309.4 311.1 293.5 336.8 8.97 8 714 2980 12.0 -1.0 41 13.0 5.1 124 14 314.0 314.9 291.6 329.8 4.98 9 700 3146 10.8 -4.2 35 15.0 3.3 120 15 314.4 315.2 290.9 327.2 4.00 10 682 3363 9.8 -7.2 29 17.0 1.8 114 15 315.7 316.3 290.6 326.2 3.26 11 669 3522 7.8 1.8 66 6.0 4.4 109 14 315.2 316.4 293.3 335.8 6.53 12 653 3721 6.8 -5.2 42 12.0 1.0 106 14 316.2 317.0 291.5 329.0 3.98 13 642 3861 6.0 -2.0 56 8.0 1.8 110 13 316.9 317.9 292.6 333.3 5.15 14 636 3938 6.2 -9.8 31 16.0 -0.9 112 12 318.0 318.5 290.9 327.3 2.85 15 613 4238 3.8 -3.2 60 7.0 0.2 119 10 318.6 319.5 292.9 334.4 4.93 16 589 4563 2.8 -18.2 20 21.0 -4.9 125 8 321.1 321.4 290.7 326.3 1.55 17 550 5114 -0.9 -5.7 70 4.8 -3.3 140 6 323.0 323.9 293.8 338.0 4.55 18 547 5157 -0.9 -5.4 71 4.5 -3.1 142 6 323.5 324.4 294.0 338.9 4.68 19 510 5714 -3.9 -9.9 63 6.0 -6.5 168 8 326.4 327.1 293.9 338.3 3.54 20 500 5870 -4.5 -16.5 39 12.0 -9.0 175 8 327.6 328.0 293.0 334.8 2.10 21 499 5886 -4.7 -18.7 33 14.0 -9.6 175 8 327.5 327.8 292.7 333.6 1.75 22 496 5933 -4.9 -11.9 58 7.0 -7.9 175 8 327.8 328.4 293.9 338.3 3.10 23 465 6439 -7.1 -30.1 14 23.0 -13.2 169 8 331.2 331.3 292.7 333.7 0.67 24 463 6472 -7.7 -20.7 34 13.0 -12.1 169 8 330.8 331.2 293.4 336.5 1.59 25 452 6659 -8.3 -30.3 15 22.0 -14.0 166 7 332.4 332.5 293.0 334.9 0.68 26 449 6711 -8.5 -19.5 41 11.0 -12.3 165 7 332.8 333.1 294.1 339.2 1.82 27 441 6850 -8.7 -30.7 15 22.0 -14.4 163 7 334.2 334.4 293.5 336.7 0.67 28 438 6903 -8.9 -31.9 14 23.0 -14.6 162 6 334.6 334.7 293.6 336.9 0.60 29 425 7136 -10.5 -33.5 13 23.0 -15.9 158 6 335.5 335.6 293.7 337.5 0.53 30 400 7600 -13.5 -30.5 22 17.0 -17.7 150 4 337.4 337.6 294.4 340.3 0.75 31 389 7811 -15.1 -25.1 42 10.0 -18.0 156 4 338.0 338.3 295.0 342.7 1.28 32 368 8227 -17.7 -30.7 31 13.0 -20.8 159 4 340.0 340.2 295.0 343.0 0.81 33 362 8349 -18.7 -26.7 49 8.0 -20.8 160 4 340.3 340.5 295.4 344.7 1.19 34 352 8557 -20.1 -41.1 14 21.0 -23.6 161 3 341.1 341.2 294.8 342.3 0.30 35 349 8620 -20.7 -31.7 37 11.0 -23.1 161 3 341.1 341.3 295.3 344.1 0.77 36 346 8684 -20.7 -39.7 17 19.0 -23.9 162 3 342.0 342.1 295.1 343.4 0.35 37 339 8834 -21.7 -33.7 33 12.0 -24.1 163 3 342.6 342.8 295.6 345.1 0.65 38 328 9075 -23.5 -45.5 11 22.0 -26.5 164 3 343.4 343.4 295.3 344.2 0.20 39 302 9672 -27.9 -52.9 7 25.0 -30.3 142 8 345.4 345.4 295.7 345.8 0.09 40 300 9720 -28.3 -53.3 7 25.0 -30.7 140 8 345.5 345.5 295.7 345.9 0.09 41 299 9744 -28.5 -53.5 7 25.0 -30.9 140 8 345.5 345.6 295.7 345.9 0.09 42 250 11000 -38.9 -43.9 59 5.0 -39.4 20 4 348.2 348.3 296.5 349.5 0.31 43 247 11083 -39.7 -44.4 61 4.7 -40.1 22 4 348.2 348.3 296.5 349.5 0.30 44 207 12266 -49.3 -58.3 34 9.0 -49.6 61 6 351.2 351.2 297.0 351.5 0.07 45 200 12490 -51.3 -59.3 38 8.0 -51.5 115 4 351.5 351.5 297.0 351.8 0.06 46 154 14131 -65.7 -72.7 37 7.0 -65.8 146 14 354.2 354.2 297.5 354.3 0.01 47 150 14290 -66.9 -73.9 37 7.0 -67.0 160 15 354.8 354.8 297.7 354.9 0.01 48 127 15278 -74.9 -80.9 39 6.0 -74.9 143 8 357.7 357.7 298.2 357.7 0.00 49 103 16475 -82.3 -87.1 43 4.8 -82.3 345 19 365.6 365.6 299.8 365.6 0.00 50 101 16584 -82.7 -87.3 45 4.6 -82.7 350 17 366.9 366.9 300.0 366.9 0.00 51 100 16640 -82.3 -86.7 47 4.4 -82.3 355 15 368.7 368.7 300.4 368.7 0.00 52 85 17543 -83.9 -87.7 51 3.8 -83.9 327 7 383.0 383.0 302.7 383.0 0.00 53 83 17675 -83.9 -88.7 43 4.8 -83.9 323 6 385.6 385.6 303.1 385.6 0.00 54 80 17883 -76.9 -85.9 22 9.0 -76.9 317 4 404.1 404.1 305.7 404.1 0.00 55 78 18029 -75.5 -86.5 16 11.0 -75.6 313 3 410.0 410.0 306.5 410.0 0.00 56 77 18103 -75.3 -86.3 16 11.0 -75.3 310 2 411.9 411.9 306.7 411.9 0.00 57 70 18650 -78.9 -86.9 26 8.0 -78.9 50 8 415.6 415.6 307.2 415.6 0.00 58 68 18816 -76.7 -85.7 23 9.0 -76.7 76 8 423.8 423.8 308.2 423.8 0.00 59 61 19439 -77.7 -86.7 22 9.0 -77.7 174 6 434.9 434.9 309.4 435.0 0.00 60 58 19733 -71.1 -84.1 13 13.0 -71.2 220 5 456.2 456.2 311.4 456.2 0.01 61 50 20610 -71.7 -85.7 11 14.0 -71.8 285 8 474.5 474.5 313.0 474.6 0.01 62 49 20730 -71.9 -86.9 9 15.0 -72.0 273 9 476.8 476.8 313.2 476.8 0.00 63 44 21377 -65.3 -84.3 6 19.0 -65.6 219 11 507.8 507.8 315.5 507.9 0.01 64 32 23357 -57.9 -83.9 2 26.0 -59.0 35 14 576.1 576.1 319.5 576.1 0.01 65 30 23770 -52.9 -82.9 1 30.0 -54.8 110 18 600.4 600.4 320.6 600.5 0.01 66 29 23989 -52.1 -82.1 2 30.0 -54.2 608.5 608.5 321.0 608.6 0.02 TRP 101 16584 -82.7 -87.3 45 4.6 -82.7 350 17 366.9 366.9 300.0 366.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 559.49 mb = 4979.54 m = 16336.87 ft Wetbulb zero: 638.00 mb = 3912.00 m = 12834.50 ft Precipitable water: 1.73 inches Sfc-500 mean rel hum: 56.35 % Est. max temperature: 33.53 C = 92.35 F Sfc-Lift cond lev (LCL): 923.71 mb = 779.09 m = 2556.03 ft T: 24.31 C 700-500 lapse rate: 5.62 C/km ThetaE index: 20.75 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 814.21 mb = 1870.16 m = 6135.62 ft Mean mixing ratio: 14.78 g/kg Conv temperature: 34.79 C = 94.63 F Cap Strength: 2.69 C Lifted Index: -0.42 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.80 C Lifted Index @700 mb: 1.11 C Showalter Index: 2.22 C Risk: Showers probable Total Totals Index: 41.40 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 17.70 C K Index: 21.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 186.40 Risk: None Energy Index: -1.01 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 51.59 J/kg Max Up Vert Vel: 10.16 m/s Conv Inhibition (B-): 134.97 J/kg Cap Strength: 2.69 C Lift Cond Lev (LCL): 865.64 mb = 1343.52 m = 4407.82 ft Lev Free Conv (LFC): 660.64 mb = 3625.59 m = 11894.85 ft Equ Level (EL): 630.64 mb = 4006.83 m = 13145.61 ft B at Equ Level: 12.88 J/kg Max Parcel Lev (MPL): 380.64 mb = 7973.63 m = 26159.88 ft Wind level data Storm motion: 175 at 7 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 5 110 3 -2.8 1.0 | 19 7 -2.2 -6.4 1 1000 78 205 7 3.0 6.3 | 287 4 3.6 -1.1 2 975 305 200 10 3.4 9.4 | 245 4 4.1 1.9 3 942 610 200 9 3.1 8.5 | 255 4 3.7 1.0 4 925 767 205 9 3.8 8.2 | 261 4 4.4 0.7 5 909 914 200 9 3.1 8.5 | 255 4 3.7 1.0 6 878 1219 180 10 0.0 10.0 | 194 3 0.6 2.5 7 850 1502 175 10 -0.9 10.0 | 175 3 -0.2 2.5 8 818 1829 160 12 -4.1 11.3 | 138 5 -3.5 3.8 9 789 2134 140 11 -7.1 8.4 | 98 7 -6.4 1.0 10 761 2438 135 11 -7.8 7.8 | 93 7 -7.1 0.3 11 734 2743 130 12 -9.2 7.7 | 92 9 -8.6 0.2 12 700 3146 120 15 -13.0 7.5 | 90 12 -12.4 0.0 13 657 3658 105 14 -13.5 3.6 | 73 13 -12.9 -3.8 14 609 4267 120 10 -8.7 5.0 | 73 8 -8.0 -2.5 15 565 4877 130 5 -3.8 3.2 | 37 5 -3.2 -4.3 16 500 5870 175 8 -0.7 8.0 | 174 1 -0.1 0.5 17 486 6096 175 9 -0.8 9.0 | 175 2 -0.1 1.5 18 400 7600 150 4 -2.0 3.5 | 19 4 -1.4 -4.0 19 399 7620 155 4 -1.7 3.6 | 15 4 -1.1 -3.8 20 324 9144 165 3 -0.8 2.9 | 2 5 -0.1 -4.6 21 300 9720 140 8 -5.1 6.1 | 73 5 -4.5 -1.3 22 262 10668 140 4 -2.6 3.1 | 24 5 -1.9 -4.4 23 250 11000 20 4 -1.4 -3.8 | 4 11 -0.7 -11.2 24 209 12192 45 6 -4.2 -4.2 | 17 12 -3.6 -11.7 25 200 12490 115 4 -3.6 1.7 | 27 7 -3.0 -5.8 26 164 13716 110 11 -10.3 3.8 | 69 10 -9.7 -3.7 27 150 14290 160 15 -5.1 14.1 | 146 8 -4.5 6.6 28 127 15240 145 8 -4.6 6.6 | 77 4 -3.9 -0.9 29 103 16459 345 19 4.9 -18.4 | 348 26 5.6 -25.8 30 101 16584 350 17 3.0 -16.7 | 352 24 3.6 -24.2 31 100 16640 355 15 1.3 -14.9 | 355 22 1.9 -22.4 32 75 18288 305 1 0.8 -0.6 | 350 8 1.5 -8.0 33 70 18650 50 8 -6.1 -5.1 | 24 14 -5.5 -12.6 34 57 19812 230 5 3.8 3.2 | 314 6 4.5 -4.3 35 50 20610 285 8 7.7 -2.1 | 319 13 8.4 -9.5 36 44 21336 215 11 6.3 9.0 | 257 7 6.9 1.5 37 35 22860 300 8 6.9 -4.0 | 327 14 7.6 -11.5 38 30 23770 110 18 -16.9 6.2 | 85 16 -16.3 -1.3 Wind Parameters Mean winds (0-6000m): 145.1 at 10.0 knts Storm direction: 175.1 at 7.5 knts Shear (0-3000m) pos: 1.7 neg: 2.5 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 72.5 deg Storm rel helicity (0-3000m) pos: 1.2 neg: -22.7 tot: -21.5 m^2/s^2 ave: -7.2 10^-3 m/s^2 rel: -0.71 Storm rel vorticity (0-3000m) horiz: 5.3 stream: -3.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.24 Bulk Shear: 9.85 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 ------------------------------------------------------------------------------- 500 200 9 261 4| 10.1 0.0 10.1| 0.5 -9.5 -8.9 -17.8 -0.86| 13.2-11.4 1000 200 9 258 4| 5.0 0.5 5.5| 1.2 -10.6 -9.4 -9.4 -0.76| 7.9 -6.0 1500 193 9 243 3| 3.4 1.5 4.8| 1.2 -12.9 -11.7 -7.8 -0.79| 6.4 -5.1 2000 184 10 211 3| 2.5 2.4 4.9| 1.2 -18.4 -17.2 -8.6 -0.79| 6.3 -5.0 2500 174 10 171 2| 2.0 2.3 4.3| 1.2 -22.2 -21.0 -8.4 -0.79| 5.7 -4.5 3000 165 10 140 3| 1.7 2.5 4.2| 1.2 -22.7 -21.5 -7.2 -0.71| 5.3 -3.8 4000 147 11 110 6| 1.5 2.2 3.7| 1.8 -35.9 -34.1 -8.5 -0.66| 5.0 -3.3 5000 142 11 99 6| 1.8 1.8 3.5| 2.2 -43.0 -40.8 -8.2 -0.63| 4.8 -3.0 6000 145 10 98 5| 1.9 1.5 3.4| 3.6 -43.0 -39.3 -6.6 -0.51| 4.5 -2.3 Wrote GIF file: /home/apache/climate/data/raob//VTBP/skewt/VTBP.skewt.20250428.12.gif