UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050100.upa.cvt Date: 0000Z 1 MAY 25 Searching for VTBP... Searching the city database file for: VTBP ... Date:0000Z 1 MAY 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 1009 5 26.4 24.4 89 2.0 24.9 0 0 298.8 302.3 297.8 355.4 19.41 1 1008 14 25.6 20.6 74 5.0 22.1 352 1 298.1 300.9 294.9 342.6 15.33 2 1000 88 26.8 19.8 66 7.0 21.9 285 12 300.0 302.6 295.0 342.9 14.69 3 984 231 27.8 18.8 58 9.0 21.5 275 11 302.3 304.9 295.2 343.7 14.01 4 982 249 27.8 18.8 58 9.0 21.5 274 11 302.5 305.1 295.3 344.0 14.04 5 925 777 24.0 15.0 57 9.0 17.9 210 10 303.8 306.0 294.0 338.6 11.67 6 850 1512 19.8 10.8 56 9.0 14.0 140 7 306.9 308.7 293.3 335.9 9.61 7 842 1594 19.8 6.8 43 13.0 12.0 132 8 307.7 309.1 291.7 330.2 7.38 8 808 1947 16.8 10.8 68 6.0 13.0 103 11 308.2 310.1 294.0 338.9 10.12 9 720 2922 11.2 4.2 62 7.0 7.1 84 11 312.4 313.7 293.0 334.7 7.20 10 719 2934 11.2 4.2 62 7.0 7.1 85 11 312.5 313.9 293.0 334.9 7.21 11 700 3158 10.6 -0.4 46 11.0 4.6 90 10 314.2 315.2 292.0 331.0 5.31 12 669 3534 8.8 -8.2 29 17.0 1.0 94 9 316.3 316.9 290.6 326.3 3.08 13 664 3596 8.4 -1.6 49 10.0 3.1 94 8 316.5 317.5 292.5 332.9 5.13 14 642 3874 7.0 -10.0 29 17.0 -0.6 98 8 318.0 318.5 290.9 327.2 2.78 15 638 3925 6.4 -4.6 45 11.0 0.9 99 8 317.9 318.7 292.2 331.7 4.26 16 633 3990 6.6 -12.4 24 19.0 -1.4 100 8 318.8 319.3 290.7 326.6 2.33 17 592 4535 2.0 -7.0 51 9.0 -2.2 111 8 319.7 320.4 292.3 332.1 3.82 18 572 4812 0.8 -18.2 23 19.0 -6.1 118 8 321.4 321.7 290.8 326.9 1.59 19 544 5213 -2.7 -8.7 63 6.0 -5.4 126 9 321.9 322.6 292.7 333.9 3.64 20 540 5272 -2.3 -24.3 17 22.0 -9.0 128 9 323.0 323.2 290.7 326.5 0.99 21 535 5346 -2.9 -16.9 33 14.0 -8.0 129 9 323.2 323.6 291.6 329.7 1.90 22 527 5465 -3.1 -23.1 20 20.0 -9.4 132 9 324.3 324.6 291.2 328.3 1.13 23 520 5571 -4.5 -10.5 63 6.0 -7.1 134 9 323.9 324.6 293.0 334.9 3.31 24 517 5617 -4.3 -15.3 42 11.0 -8.5 135 9 324.7 325.1 292.3 332.3 2.25 25 515 5647 -4.7 -10.7 63 6.0 -7.2 135 10 324.6 325.2 293.2 335.5 3.29 26 505 5802 -4.9 -18.9 32 14.0 -9.8 138 10 326.1 326.5 292.3 332.0 1.70 27 501 5864 -5.5 -13.5 53 8.0 -8.7 140 10 326.1 326.7 293.2 335.3 2.69 28 500 5880 -5.5 -14.5 49 9.0 -9.0 140 10 326.3 326.8 293.0 334.8 2.49 29 489 6054 -6.3 -19.3 35 13.0 -10.8 140 10 327.4 327.8 292.6 333.3 1.70 30 487 6086 -6.5 -20.5 32 14.0 -11.2 140 10 327.6 327.9 292.5 333.0 1.54 31 470 6363 -8.9 -13.9 67 5.0 -10.9 135 11 327.9 328.5 293.7 337.4 2.78 32 463 6479 -9.3 -32.3 14 23.0 -14.7 132 11 328.9 329.0 291.9 330.9 0.55 33 459 6546 -9.9 -15.9 61 6.0 -12.1 131 11 328.9 329.4 293.6 337.2 2.41 34 457 6580 -10.3 -14.5 71 4.2 -11.9 130 11 328.8 329.4 293.9 338.2 2.72 35 448 6733 -10.7 -19.7 48 9.0 -13.7 127 11 330.2 330.6 293.4 336.5 1.79 36 444 6802 -11.5 -15.9 70 4.4 -13.1 126 11 330.0 330.5 294.0 338.7 2.49 37 436 6942 -11.3 -27.3 25 16.0 -15.6 123 12 332.0 332.2 293.2 335.4 0.93 38 434 6977 -11.7 -20.7 47 9.0 -14.6 123 12 331.9 332.3 293.8 337.9 1.69 39 428 7084 -11.3 -26.3 28 15.0 -15.5 120 12 333.8 334.0 293.7 337.6 1.04 40 427 7102 -11.3 -25.3 30 14.0 -15.3 120 12 334.0 334.2 293.9 338.2 1.15 41 400 7600 -14.5 -24.5 42 10.0 -17.4 110 13 336.1 336.4 294.6 340.9 1.31 42 388 7830 -16.3 -23.3 55 7.0 -18.4 112 13 336.7 337.0 294.8 342.2 1.51 43 375 8085 -18.5 -26.5 49 8.0 -20.5 114 12 337.1 337.3 294.7 341.4 1.17 44 355 8491 -20.7 -29.7 44 9.0 -22.8 118 9 339.5 339.7 295.0 342.9 0.92 45 338 8853 -21.7 -45.7 10 24.0 -25.1 122 8 342.9 343.0 295.2 343.7 0.19 46 331 9007 -22.3 -44.3 12 22.0 -25.5 124 7 344.1 344.2 295.5 345.1 0.23 47 300 9720 -28.1 -46.1 16 18.0 -30.3 30 4 345.8 345.8 295.9 346.6 0.20 48 250 11000 -39.7 -56.7 15 17.0 -40.6 135 12 347.0 347.1 296.0 347.3 0.07 49 200 12480 -52.3 -65.3 19 13.0 -52.6 145 14 349.9 350.0 296.7 350.1 0.03 50 166 13661 -62.5 -72.5 25 10.0 -62.6 126 15 352.1 352.1 297.1 352.1 0.01 51 150 14280 -67.5 -75.5 31 8.0 -67.5 130 10 353.8 353.8 297.4 353.8 0.01 52 123 15444 -76.9 -81.9 45 5.0 -76.9 134 23 357.4 357.4 298.2 357.4 0.00 53 100 16610 -83.5 -87.2 52 3.7 -83.5 95 7 366.4 366.4 299.9 366.4 0.00 54 97 16780 -84.7 -87.9 57 3.2 -84.7 97 10 367.3 367.3 300.1 367.3 0.00 55 94 16954 -85.7 -89.4 51 3.7 -85.7 100 14 368.6 368.6 300.3 368.6 0.00 56 91 17133 -85.5 -89.4 49 3.9 -85.5 103 13 372.4 372.4 301.0 372.5 0.00 57 86 17450 -78.9 -85.9 31 7.0 -78.9 109 12 391.8 391.8 304.0 391.8 0.00 58 80 17860 -81.9 -86.9 42 5.0 -81.9 117 11 393.8 393.8 304.3 393.8 0.00 59 74 18300 -80.9 -86.9 36 6.0 -80.9 131 9 404.8 404.8 305.9 404.8 0.00 60 73 18378 -77.7 -85.7 26 8.0 -77.7 155 10 413.2 413.2 306.9 413.2 0.00 61 70 18620 -76.1 -86.1 19 10.0 -76.2 230 14 421.6 421.6 307.9 421.6 0.00 62 69 18703 -76.3 -86.3 19 10.0 -76.3 236 14 422.9 422.9 308.0 422.9 0.00 63 68 18788 -73.5 -84.5 17 11.0 -73.6 242 15 430.7 430.7 308.9 430.7 0.00 64 68 18788 -72.7 -83.7 17 11.0 -72.8 242 15 432.4 432.4 309.1 432.4 0.01 65 63 19234 -74.7 -85.7 17 11.0 -74.7 272 17 437.6 437.6 309.6 437.6 0.00 66 58 19717 -72.5 -84.5 15 12.0 -72.6 305 19 453.0 453.0 311.1 453.0 0.01 67 50 20610 -62.9 -80.9 7 18.0 -63.3 215 14 495.3 495.3 314.6 495.3 0.01 68 48 20863 -60.5 -79.5 7 19.0 -61.0 218 15 506.8 506.8 315.4 506.9 0.02 69 39 22158 -59.9 -80.9 5 21.0 -60.6 539.3 539.3 317.5 539.4 0.01 TRP 94 16954 -85.7 -89.4 51 3.7 -85.7 100 14 368.6 368.6 300.3 368.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 565.60 mb = 4904.14 m = 16089.49 ft Wetbulb zero: 645.37 mb = 3830.88 m = 12568.37 ft Precipitable water: 1.60 inches Sfc-500 mean rel hum: 49.67 % Est. max temperature: 34.15 C = 93.47 F Sfc-Lift cond lev (LCL): 980.56 mb = 262.09 m = 859.85 ft T: 27.71 C 700-500 lapse rate: 5.91 C/km ThetaE index: 13.81 C Layer 925.0- 808.0 mb Conv cond level (CCL): 757.12 mb = 2497.33 m = 8193.25 ft Mean mixing ratio: 13.08 g/kg Conv temperature: 38.20 C = 100.75 F Cap Strength: 4.60 C Lifted Index: 0.69 C Risk: Showers probable Lifted Index @300 mb: 5.16 C Lifted Index @700 mb: 2.49 C Showalter Index: 3.03 C Risk: None Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 25.30 C Cross Totals Index: 16.30 C K Index: 25.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 153.60 Risk: None Energy Index: -0.16 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.26 J/kg Max Up Vert Vel: 5.88 m/s Conv Inhibition (B-): 11802.81 J/kg Cap Strength: 4.41 C Lift Cond Lev (LCL): 846.23 mb = 1550.39 m = 5086.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 147 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 1009 5 0 0 -0.0 -0.0 | 327 7 3.8 -5.9 1 1000 88 285 12 11.6 -3.1 | 300 18 15.4 -9.0 2 976 305 270 10 10.0 -0.0 | 293 15 13.8 -5.9 3 943 610 220 9 5.8 6.9 | 264 10 9.5 1.0 4 925 777 210 10 5.0 8.7 | 252 9 8.8 2.8 5 910 914 200 10 3.4 9.4 | 244 8 7.2 3.5 6 879 1219 190 5 0.9 4.9 | 282 5 4.6 -1.0 7 850 1512 140 7 -4.5 5.4 | 55 1 -0.7 -0.5 8 819 1829 110 11 -10.3 3.8 | 72 7 -6.6 -2.1 9 790 2134 90 12 -12.0 0.0 | 55 10 -8.2 -5.9 10 762 2438 80 13 -12.8 -2.3 | 48 12 -9.0 -8.1 11 735 2743 80 12 -11.8 -2.1 | 45 11 -8.1 -8.0 12 700 3158 90 10 -10.0 0.0 | 47 9 -6.2 -5.9 13 658 3658 95 8 -8.0 0.7 | 39 7 -4.2 -5.2 14 610 4267 105 8 -7.7 2.1 | 46 5 -4.0 -3.8 15 566 4877 120 8 -6.9 4.0 | 59 4 -3.2 -1.9 16 500 5880 140 10 -6.4 7.7 | 124 3 -2.7 1.8 17 486 6096 140 10 -6.4 7.7 | 124 3 -2.7 1.8 18 400 7600 110 13 -12.2 4.4 | 80 9 -8.5 -1.4 19 399 7620 110 14 -13.2 4.8 | 83 9 -9.4 -1.1 20 324 9144 125 6 -4.9 3.4 | 25 3 -1.2 -2.4 21 300 9720 30 4 -2.0 -3.5 | 349 10 1.8 -9.3 22 262 10668 110 7 -6.6 2.4 | 39 4 -2.8 -3.5 23 250 11000 135 12 -8.5 8.5 | 119 5 -4.7 2.6 24 209 12192 150 16 -8.0 13.9 | 152 9 -4.2 8.0 25 200 12480 145 14 -8.0 11.5 | 143 7 -4.3 5.6 26 164 13716 125 15 -12.3 8.6 | 108 9 -8.5 2.7 27 150 14280 130 10 -7.7 6.4 | 98 4 -3.9 0.6 28 127 15240 140 26 -16.7 19.9 | 137 19 -13.0 14.0 29 103 16459 100 7 -6.9 1.2 | 34 6 -3.1 -4.7 30 100 16610 95 7 -7.0 0.6 | 31 6 -3.2 -5.3 31 94 16954 100 14 -13.8 2.4 | 71 11 -10.0 -3.4 32 74 18288 125 9 -7.4 5.2 | 79 4 -3.6 -0.7 33 70 18620 230 14 10.7 9.0 | 258 15 14.5 3.1 34 57 19812 310 19 14.6 -12.2 | 315 26 18.3 -18.1 35 50 20610 215 14 8.0 11.5 | 245 13 11.8 5.6 36 43 21336 225 19 13.4 13.4 | 246 19 17.2 7.6 Wind Parameters Mean winds (0-6000m): 117.4 at 9.3 knts Storm direction: 147.4 at 7.0 knts Shear (0-3000m) pos: 0.4 neg: 2.2 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 79.3 deg Storm rel helicity (0-3000m) pos: 6.2 neg: -63.6 tot: -57.4 m^2/s^2 ave: -19.1 10^-3 m/s^2 rel: -0.29 Storm rel vorticity (0-3000m) horiz: 9.2 stream: -2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.39 Bulk Shear: 44.82 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 ------------------------------------------------------------------------------- 500 269 10 293 15| 0.0 9.6 9.6| 0.0 -38.8 -38.8 -77.7 -0.59| 21.5-12.6 1000 240 10 275 12| 0.0 4.4 4.4| 1.4 -51.4 -50.0 -50.0 -0.57| 14.8 -8.5 1500 225 8 269 10| 0.0 2.4 2.4| 5.5 -51.7 -46.2 -30.8 -0.30| 13.1 -3.9 2000 195 9 246 7| 0.0 3.0 3.0| 5.7 -55.5 -49.8 -24.9 -0.27| 12.1 -3.3 2500 155 10 174 3| 0.0 2.6 2.6| 5.7 -62.5 -56.8 -22.7 -0.30| 10.5 -3.1 3000 127 10 91 4| 0.4 2.2 2.6| 6.2 -63.6 -57.4 -19.1 -0.29| 9.2 -2.7 4000 112 10 67 6| 0.8 1.6 2.4| 6.9 -65.5 -58.6 -14.7 -0.28| 7.4 -2.1 5000 112 9 64 5| 0.9 1.3 2.2| 9.0 -65.5 -56.5 -11.3 -0.23| 6.2 -1.5 6000 117 9 70 5| 1.0 1.1 2.1| 11.7 -65.5 -53.8 -9.0 -0.17| 5.5 -0.9 Wrote GIF file: /home/apache/climate/data/raob//VTBP/skewt/VTBP.skewt.20250501.00.gif