UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for VTBP... Searching the city database file for: VTBP ... Date:1200Z 30 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 1008 5 30.6 26.8 80 3.8 27.7 110 4 303.1 307.2 300.6 370.2 22.51 1 1007 15 30.6 22.6 62 8.0 24.7 119 4 303.1 306.4 297.7 354.8 17.39 2 1000 86 29.6 21.6 62 8.0 23.8 180 5 302.8 305.8 297.0 351.5 16.46 3 947 570 25.4 19.4 69 6.0 21.2 161 7 303.2 306.0 296.2 348.1 15.14 4 925 777 24.4 17.4 65 7.0 19.5 145 7 304.3 306.8 295.5 344.9 13.64 5 879 1223 22.4 14.4 61 8.0 17.0 125 8 306.7 308.9 294.8 342.2 11.81 6 850 1514 20.0 13.0 64 7.0 15.4 110 7 307.1 309.2 294.5 340.7 11.14 7 765 2414 14.2 8.2 67 6.0 10.4 110 11 310.2 311.9 293.7 337.7 8.96 8 748 2604 13.4 7.4 67 6.0 9.7 107 10 311.4 313.0 293.9 338.1 8.67 9 726 2855 12.6 1.6 47 11.0 6.5 110 11 313.2 314.3 292.2 331.7 5.93 10 706 3090 11.2 3.2 58 8.0 6.6 122 12 314.1 315.4 293.2 335.6 6.84 11 700 3161 11.4 -2.6 37 14.0 4.1 125 12 315.1 316.0 291.6 329.5 4.51 12 695 3221 10.6 2.6 58 8.0 6.0 126 12 314.9 316.1 293.3 335.8 6.66 13 676 3451 9.6 -2.4 43 12.0 3.4 128 11 316.3 317.2 292.1 331.4 4.74 14 665 3588 10.2 -11.8 20 22.0 0.6 129 11 318.4 318.9 290.6 326.1 2.33 15 664 3600 10.2 -11.8 20 22.0 0.6 129 11 318.6 319.0 290.6 326.3 2.33 16 642 3879 7.8 -6.2 36 14.0 1.0 133 9 318.9 319.6 292.0 331.1 3.75 17 625 4100 6.8 -20.2 12 27.0 -2.9 137 8 320.2 320.5 290.1 324.5 1.23 18 593 4529 3.6 -20.4 15 24.0 -4.8 138 7 321.4 321.6 290.5 325.8 1.27 19 531 5421 0.4 -21.6 17 22.0 -7.2 78 4 327.8 328.1 292.3 332.4 1.28 20 500 5900 -3.9 -19.9 28 16.0 -9.5 25 1 328.3 328.6 292.7 333.8 1.58 21 497 5947 -4.3 -19.3 30 15.0 -9.6 35 1 328.4 328.7 292.9 334.2 1.67 22 496 5963 -4.5 -19.5 30 15.0 -9.8 38 1 328.3 328.6 292.8 334.1 1.64 23 460 6553 -6.7 -39.7 5 33.0 -13.7 80 2 332.7 332.8 292.7 333.7 0.26 24 417 7312 -11.3 -24.3 33 13.0 -15.2 105 1 336.3 336.5 294.6 341.0 1.28 25 407 7498 -12.1 -33.1 16 21.0 -17.0 111 1 337.6 337.7 294.3 339.8 0.58 26 400 7630 -13.1 -36.1 13 23.0 -18.0 95 3 338.0 338.1 294.2 339.6 0.44 27 381 7999 -16.1 -39.1 12 23.0 -20.4 122 3 338.7 338.8 294.3 340.1 0.34 28 365 8322 -18.9 -29.9 37 11.0 -21.5 146 3 339.2 339.4 294.9 342.5 0.88 29 351 8613 -20.3 -44.3 10 24.0 -23.9 168 3 341.1 341.2 294.8 342.0 0.21 30 306 9617 -27.1 -52.1 7 25.0 -29.6 237 1 345.2 345.3 295.7 345.7 0.10 31 300 9760 -28.5 -50.5 10 22.0 -30.7 245 1 345.2 345.2 295.7 345.7 0.12 32 250 11030 -39.9 -55.9 17 16.0 -40.8 175 10 346.7 346.8 296.0 347.1 0.08 33 247 11112 -40.3 -55.3 19 15.0 -41.2 172 10 347.3 347.4 296.1 347.7 0.09 34 233 11506 -44.1 -51.1 46 7.0 -44.5 159 11 347.4 347.5 296.2 348.1 0.15 35 201 12478 -51.7 -64.7 20 13.0 -52.0 131 13 350.4 350.4 296.7 350.5 0.03 36 200 12510 -51.7 -64.7 20 13.0 -52.0 130 13 350.9 350.9 296.8 351.0 0.03 37 150 14310 -67.5 -73.5 42 6.0 -67.5 120 12 353.8 353.8 297.4 353.9 0.01 38 138 14807 -71.7 -77.7 40 6.0 -71.7 117 12 354.9 354.9 297.7 355.0 0.01 39 103 16485 -82.5 -87.4 43 4.9 -82.5 72 10 365.2 365.2 299.7 365.2 0.00 40 100 16650 -82.7 -87.7 42 5.0 -82.7 45 8 367.9 367.9 300.2 368.0 0.00 41 89 17298 -84.9 -89.2 46 4.3 -84.9 25 13 376.0 376.0 301.6 376.0 0.00 42 83 17685 -83.5 -88.5 41 5.0 -83.5 59 15 386.5 386.5 303.3 386.5 0.00 43 79 17963 -79.5 -86.5 30 7.0 -79.5 83 16 400.2 400.2 305.2 400.2 0.00 44 72 18489 -79.9 -87.9 25 8.0 -79.9 206 15 410.1 410.1 306.5 410.1 0.00 45 70 18650 -77.3 -86.3 22 9.0 -77.3 280 14 419.0 419.0 307.6 419.0 0.00 46 69 18733 -75.9 -85.9 19 10.0 -75.9 279 14 423.7 423.7 308.2 423.8 0.00 47 63 19263 -73.1 -86.1 12 13.0 -73.2 272 13 441.1 441.1 310.0 441.1 0.00 48 58 19749 -72.1 -86.1 10 14.0 -72.2 266 12 453.9 453.9 311.2 453.9 0.00 49 55 20066 -67.9 -83.9 8 16.0 -68.1 271 12 470.5 470.5 312.7 470.5 0.01 50 50 20640 -67.5 -84.5 7 17.0 -67.7 285 11 484.4 484.4 313.8 484.5 0.01 51 46 21141 -68.9 -85.9 7 17.0 -69.1 315 7 492.7 492.7 314.4 492.8 0.01 52 40 21997 -59.7 -82.7 3 23.0 -60.4 307 6 535.9 535.9 317.3 536.0 0.01 53 30 23800 -58.9 -84.9 2 26.0 -59.9 25 11 584.1 584.1 319.9 584.1 0.01 54 29 24013 -59.1 -84.1 3 25.0 -60.2 30 13 589.2 589.2 320.1 589.3 0.01 55 27 24465 -55.3 -83.3 2 28.0 -57.0 40 17 612.1 612.1 321.2 612.1 0.01 TRP 89 17298 -84.9 -89.2 46 4.3 -84.9 25 13 376.0 376.0 301.6 376.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5814.00 m Freezing level: 528.12 mb = 5465.55 m = 17931.39 ft Wetbulb zero: 637.60 mb = 3935.71 m = 12912.29 ft Precipitable water: 1.63 inches Sfc-500 mean rel hum: 43.82 % Est. max temperature: 34.53 C = 94.15 F Sfc-Lift cond lev (LCL): 954.79 mb = 497.20 m = 1631.21 ft T: 26.03 C 700-500 lapse rate: 5.59 C/km ThetaE index: 32.52 C Layer 1007.0- 748.0 mb Conv cond level (CCL): 801.69 mb = 2013.93 m = 6607.32 ft Mean mixing ratio: 15.15 g/kg Conv temperature: 36.40 C = 97.53 F Cap Strength: 3.26 C Lifted Index: -0.40 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.72 C Lifted Index @700 mb: 1.24 C Showalter Index: 2.58 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: 171.00 Risk: None Energy Index: -1.24 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.97 J/kg Max Up Vert Vel: 6.00 m/s Conv Inhibition (B-): 203.13 J/kg Cap Strength: 3.26 C Lift Cond Lev (LCL): 865.34 mb = 1358.82 m = 4458.03 ft Lev Free Conv (LFC): 500.34 mb = 5894.59 m = 19338.97 ft Equ Level (EL): 470.34 mb = 6379.16 m = 20928.76 ft B at Equ Level: 13.86 J/kg Max Parcel Lev (MPL): 420.34 mb = 7250.28 m = 23786.71 ft Wind level data Storm motion: 157 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 1008 5 110 4 -3.8 1.4 | 21 4 -1.5 -3.9 1 1000 86 180 5 0.0 5.0 | 277 2 2.3 -0.3 2 976 305 170 7 -1.2 6.9 | 214 2 1.1 1.6 3 943 610 160 7 -2.4 6.6 | 175 1 -0.1 1.3 4 925 777 145 7 -4.0 5.7 | 104 2 -1.7 0.4 5 911 914 140 7 -4.5 5.4 | 92 2 -2.2 0.1 6 879 1219 125 8 -6.6 4.6 | 81 4 -4.3 -0.7 7 850 1514 110 7 -6.6 2.4 | 56 5 -4.3 -2.9 8 819 1829 105 7 -6.8 1.8 | 52 6 -4.5 -3.5 9 790 2134 110 10 -9.4 3.4 | 75 7 -7.1 -1.9 10 762 2438 110 11 -10.3 3.8 | 79 8 -8.1 -1.5 11 735 2743 105 10 -9.7 2.6 | 70 8 -7.4 -2.7 12 700 3161 125 12 -9.8 6.9 | 102 8 -7.6 1.6 13 659 3658 130 11 -8.4 7.1 | 106 6 -6.1 1.8 14 611 4267 140 6 -3.9 4.6 | 66 2 -1.6 -0.7 15 567 4877 135 8 -5.7 5.7 | 96 3 -3.4 0.4 16 500 5900 25 1 -0.4 -0.9 | 343 6 1.9 -6.2 17 488 6096 65 2 -1.8 -0.8 | 356 6 0.5 -6.1 18 401 7620 115 1 -0.9 0.4 | 344 5 1.4 -4.9 19 400 7630 95 3 -3.0 0.3 | 8 5 -0.7 -5.0 20 326 9144 210 3 1.5 2.6 | 305 5 3.8 -2.7 21 300 9760 245 1 0.9 0.4 | 327 6 3.2 -4.9 22 263 10668 180 5 0.0 5.0 | 277 2 2.3 -0.3 23 250 11030 175 10 -0.9 10.0 | 197 5 1.4 4.7 24 210 12192 135 12 -8.5 8.5 | 117 7 -6.2 3.2 25 200 12510 130 13 -10.0 8.4 | 112 8 -7.7 3.1 26 165 13716 140 16 -10.3 12.3 | 131 11 -8.0 7.0 27 150 14310 120 12 -10.4 6.0 | 95 8 -8.1 0.7 28 128 15240 115 12 -10.9 5.1 | 89 9 -8.6 -0.2 29 103 16459 75 10 -9.7 -2.6 | 43 11 -7.4 -7.9 30 100 16650 45 8 -5.7 -5.7 | 17 11 -3.4 -10.9 31 89 17298 25 13 -5.5 -11.8 | 11 17 -3.2 -17.1 32 75 18288 110 17 -16.0 5.8 | 92 14 -13.7 0.5 33 70 18650 280 14 13.8 -2.4 | 296 18 16.1 -7.7 34 58 19812 265 12 12.0 1.0 | 287 15 14.2 -4.2 35 50 20640 285 11 10.6 -2.8 | 302 15 12.9 -8.1 36 45 21336 325 5 2.9 -4.1 | 331 11 5.1 -9.4 37 35 22860 285 7 6.8 -1.8 | 308 11 9.0 -7.1 38 30 23800 25 11 -4.6 -10.0 | 9 15 -2.4 -15.3 39 26 24384 45 19 -13.4 -13.4 | 31 22 -11.2 -18.7 Wind Parameters Mean winds (0-6000m): 126.7 at 7.7 knts Storm direction: 156.7 at 5.8 knts Shear (0-3000m) pos: 1.3 neg: 1.3 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 68.7 deg Storm rel helicity (0-3000m) pos: 10.4 neg: -10.5 tot: -0.1 m^2/s^2 ave: -0.0 10^-3 m/s^2 rel: -0.40 Storm rel vorticity (0-3000m) horiz: 4.2 stream: -1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.14 Bulk Shear: 3.50 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 ------------------------------------------------------------------------------- 500 169 6 233 1| 5.8 0.0 5.8| 0.0 -3.6 -3.6 -7.2 -0.94| 9.5 -8.9 1000 158 7 166 1| 2.9 1.8 4.7| 0.0 -4.7 -4.7 -4.7 -0.90| 6.6 -5.9 1500 145 7 103 2| 1.9 2.1 4.1| 0.0 -7.6 -7.6 -5.1 -0.84| 5.6 -4.8 2000 135 7 83 3| 1.4 1.9 3.4| 2.4 -8.2 -5.7 -2.9 -0.68| 4.8 -3.3 2500 127 8 81 4| 1.3 1.5 2.8| 5.3 -8.7 -3.3 -1.3 -0.54| 4.4 -2.4 3000 123 8 80 5| 1.3 1.3 2.6| 10.4 -10.5 -0.1 -0.0 -0.40| 4.2 -1.7 4000 125 9 87 5| 1.2 1.0 2.2| 14.8 -11.1 3.7 0.9 -0.27| 3.9 -1.1 5000 127 9 88 5| 1.0 1.0 2.0| 15.4 -13.6 1.8 0.4 -0.28| 3.8 -1.0 6000 127 8 80 4| 0.8 0.9 1.7| 16.5 -27.3 -10.8 -1.8 -0.39| 4.0 -1.6 Wrote GIF file: /home/apache/climate/data/raob//VTBP/skewt/VTBP.skewt.20250430.12.gif