UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050812.upa.cvt Date: 1200Z 8 MAY 25 Searching for VTBP... Searching the city database file for: VTBP ... Date:1200Z 8 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 1004 5 28.8 22.8 70 6.0 24.4 0 0 301.6 304.9 297.4 353.7 17.67 1 1000 49 28.8 20.8 62 8.0 23.0 260 10 302.0 304.8 296.2 348.1 15.65 2 925 739 24.0 18.0 69 6.0 19.8 280 14 303.8 306.5 295.7 346.0 14.18 3 850 1477 20.6 14.6 68 6.0 16.5 245 6 307.7 310.0 295.6 345.2 12.39 4 816 1829 18.0 13.0 73 5.0 14.7 260 7 308.6 310.8 295.3 343.8 11.62 5 732 2755 14.8 7.8 63 7.0 10.4 275 7 314.8 316.6 295.1 343.3 9.11 6 700 3132 12.2 6.2 67 6.0 8.5 300 6 316.0 317.6 295.0 342.8 8.53 7 589 4561 3.8 -2.2 65 6.0 0.6 202 7 322.2 323.3 294.4 340.2 5.53 8 564 4913 1.6 -9.4 44 11.0 -3.4 180 7 323.6 324.3 293.0 334.7 3.32 9 524 5505 0.0 -18.0 24 18.0 -6.8 177 7 328.6 329.0 293.0 334.8 1.77 10 511 5707 -1.5 -22.5 18 21.0 -8.5 176 7 329.2 329.4 292.7 333.5 1.23 11 500 5880 -2.9 -19.9 26 17.0 -8.9 175 7 329.5 329.8 293.1 335.1 1.58 12 498 5912 -3.1 -15.1 39 12.0 -7.9 171 7 329.6 330.1 293.8 337.9 2.38 13 461 6518 -6.3 -26.3 19 20.0 -12.2 140 8 333.0 333.2 293.4 336.5 0.97 14 407 7478 -13.5 -25.5 36 12.0 -16.9 127 12 335.8 336.0 294.3 340.1 1.18 15 405 7516 -13.9 -26.9 32 13.0 -17.4 126 13 335.7 335.9 294.2 339.6 1.04 16 400 7610 -14.3 -29.3 27 15.0 -18.1 125 13 336.4 336.6 294.2 339.5 0.85 17 362 8359 -18.1 -36.1 19 18.0 -21.7 122 13 341.1 341.2 295.0 342.9 0.48 18 308 9541 -27.1 -49.1 11 22.0 -29.6 130 14 344.6 344.6 295.6 345.2 0.14 19 300 9730 -28.7 -47.7 14 19.0 -30.8 130 13 344.9 345.0 295.7 345.6 0.17 20 266 10580 -35.5 -47.5 28 12.0 -36.6 135 18 347.1 347.1 296.1 347.9 0.20 21 261 10712 -36.5 -42.5 54 6.0 -37.1 130 19 347.5 347.6 296.4 348.9 0.35 22 250 11010 -38.5 -45.5 48 7.0 -39.1 95 15 348.8 348.9 296.6 349.9 0.26 23 224 11753 -44.7 -49.7 57 5.0 -45.0 70 15 350.4 350.5 296.9 351.2 0.18 24 205 12339 -49.1 -64.1 16 15.0 -49.6 50 15 352.5 352.5 297.2 352.7 0.03 25 200 12500 -50.7 -63.7 20 13.0 -51.1 45 16 352.5 352.5 297.2 352.6 0.04 26 165 13725 -61.7 -66.7 51 5.0 -61.8 55 16 354.0 354.0 297.5 354.1 0.03 27 150 14310 -66.3 -71.2 50 4.9 -66.4 80 27 355.9 355.9 297.9 355.9 0.02 28 132 15071 -73.3 -77.5 53 4.2 -73.3 92 29 356.6 356.6 298.0 356.7 0.01 29 121 15575 -77.5 -80.4 63 2.9 -77.5 99 30 357.9 357.9 298.3 358.0 0.01 30 100 16650 -83.9 -88.3 46 4.4 -83.9 110 26 365.6 365.6 299.8 365.6 0.00 31 98 16762 -84.5 -89.0 45 4.5 -84.5 115 27 366.6 366.6 299.9 366.6 0.00 32 95 16933 -84.3 -89.3 41 5.0 -84.3 112 26 370.2 370.2 300.6 370.2 0.00 33 91 17174 -79.7 -86.7 30 7.0 -79.7 108 24 384.0 384.0 302.9 384.0 0.00 34 82 17759 -82.5 -88.5 35 6.0 -82.5 99 20 389.8 389.8 303.8 389.8 0.00 35 74 18341 -76.7 -86.7 19 10.0 -76.7 114 15 413.7 413.7 307.0 413.7 0.00 36 72 18498 -77.1 -89.1 13 12.0 -77.1 179 9 416.1 416.1 307.3 416.1 0.00 37 70 18660 -76.5 -87.5 16 11.0 -76.6 245 3 420.7 420.7 307.8 420.7 0.00 38 65 19085 -77.9 -87.9 18 10.0 -77.9 262 3 426.7 426.7 308.4 426.7 0.00 39 60 19551 -70.7 -85.7 9 15.0 -70.8 280 4 452.7 452.7 311.1 452.7 0.00 40 57 19854 -71.7 -86.7 9 15.0 -71.8 284 5 457.1 457.1 311.5 457.1 0.00 41 51 20520 -65.3 -84.3 6 19.0 -65.6 217 13 486.8 486.8 314.0 486.9 0.01 42 50 20640 -66.1 -85.1 5 19.0 -66.4 205 14 487.7 487.7 314.1 487.8 0.01 43 45 21278 -66.5 -86.5 4 20.0 -66.8 223 13 501.7 501.7 315.1 501.7 0.00 44 38 22322 -58.3 -84.3 2 26.0 -59.2 196 11 547.4 547.4 317.9 547.5 0.01 45 31 23605 -57.9 -85.9 2 28.0 -59.0 581.3 581.3 319.8 581.4 0.01 TRP 98 16762 -84.5 -89.0 45 4.5 -84.5 115 27 366.6 366.6 299.9 366.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5831.00 m Freezing level: 524.00 mb = 5505.37 m = 18062.03 ft Wetbulb zero: 585.20 mb = 4613.19 m = 15134.95 ft Precipitable water: 1.96 inches Sfc-500 mean rel hum: 59.62 % Est. max temperature: 34.71 C = 94.48 F Sfc-Lift cond lev (LCL): 920.62 mb = 780.40 m = 2560.33 ft T: 23.81 C 700-500 lapse rate: 5.49 C/km ThetaE index: 18.97 C Layer 1000.0- 524.0 mb Conv cond level (CCL): 740.53 mb = 2656.05 m = 8713.96 ft Mean mixing ratio: 14.76 g/kg Conv temperature: 41.36 C = 106.45 F Cap Strength: 3.66 C Lifted Index: 1.12 C Risk: Showers probable Lifted Index @300 mb: 1.34 C Lifted Index @700 mb: 2.45 C Showalter Index: 1.83 C Risk: Showers probable Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 17.50 C K Index: 32.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 194.20 Risk: None Energy Index: -1.85 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.49 J/kg Max Up Vert Vel: 4.12 m/s Conv Inhibition (B-): 16643.41 J/kg Cap Strength: 3.66 C Lift Cond Lev (LCL): 863.63 mb = 1338.16 m = 4390.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 274 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 1004 5 0 0 -0.0 -0.0 | 94 6 -5.9 0.4 1 1000 49 260 10 9.8 1.7 | 242 4 3.9 2.1 2 972 305 270 8 8.0 -0.0 | 259 2 2.1 0.4 3 939 610 280 12 11.8 -2.1 | 286 6 5.9 -1.7 4 925 739 280 14 13.8 -2.4 | 285 8 7.9 -2.0 5 907 914 270 15 15.0 -0.0 | 268 9 9.1 0.4 6 875 1219 250 9 8.5 3.1 | 216 4 2.5 3.5 7 850 1477 245 6 5.4 2.5 | 171 3 -0.5 2.9 8 816 1829 260 7 6.9 1.2 | 212 2 1.0 1.6 9 787 2134 260 7 6.9 1.2 | 212 2 1.0 1.6 10 759 2438 245 7 6.3 3.0 | 187 3 0.4 3.3 11 733 2743 275 7 7.0 -0.6 | 282 1 1.1 -0.2 12 700 3132 300 6 5.2 -3.0 | 15 3 -0.7 -2.6 13 656 3658 250 9 8.5 3.1 | 216 4 2.5 3.5 14 609 4267 220 7 4.5 5.4 | 166 6 -1.4 5.8 15 565 4877 180 7 0.0 7.0 | 141 9 -5.9 7.4 16 500 5880 175 7 -0.6 7.0 | 138 10 -6.5 7.4 17 486 6096 145 6 -3.4 4.9 | 120 11 -9.4 5.3 18 400 7610 125 13 -10.6 7.5 | 115 18 -16.6 7.8 19 399 7620 115 11 -10.0 4.6 | 108 17 -15.9 5.0 20 325 9144 130 15 -11.5 9.6 | 120 20 -17.4 10.0 21 300 9730 130 13 -10.0 8.4 | 119 18 -15.9 8.7 22 262 10668 135 19 -13.4 13.4 | 126 24 -19.3 13.8 23 250 11010 95 15 -14.9 1.3 | 95 21 -20.9 1.7 24 209 12192 55 15 -12.3 -8.6 | 66 20 -18.2 -8.2 25 200 12500 45 16 -11.3 -11.3 | 58 20 -17.2 -10.9 26 165 13716 55 16 -13.1 -9.2 | 65 21 -19.0 -8.8 27 150 14310 80 27 -26.6 -4.7 | 82 33 -32.5 -4.3 28 128 15240 95 30 -29.9 2.6 | 95 36 -35.8 3.0 29 103 16459 110 30 -28.2 10.3 | 107 36 -34.1 10.6 30 100 16650 110 26 -24.4 8.9 | 107 32 -30.3 9.3 31 98 16762 115 27 -24.5 11.4 | 111 33 -30.4 11.8 32 75 18288 90 17 -17.0 0.0 | 91 23 -22.9 0.4 33 70 18660 245 3 2.7 1.3 | 117 4 -3.2 1.7 34 58 19812 290 4 3.8 -1.4 | 66 2 -2.2 -1.0 35 50 20640 205 14 5.9 12.7 | 180 13 0.0 13.1 36 43 21336 230 13 10.0 8.4 | 205 10 4.0 8.7 37 31 22860 145 8 -4.6 6.6 | 123 13 -10.5 6.9 Wind Parameters Mean winds (0-6000m): 243.8 at 7.9 knts Storm direction: 273.8 at 5.9 knts Shear (0-3000m) pos: 1.0 neg: 1.1 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): -92.7 deg Storm rel helicity (0-3000m) pos: 8.0 neg: -18.1 tot: -10.1 m^2/s^2 ave: -3.4 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.78 Bulk Shear: 1.78 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 ------------------------------------------------------------------------------- 500 268 9 257 3| 0.0 10.9 10.9| 4.6 0.0 4.6 9.2 0.83| 18.5 15.4 1000 273 11 271 5| 0.0 6.8 6.8| 5.3 -9.3 -4.0 -4.0 0.43| 13.5 5.8 1500 267 10 259 5| 0.0 2.1 2.1| 5.3 -17.5 -12.1 -8.1 0.14| 11.7 1.6 2000 265 9 252 4| 0.5 1.6 2.0| 6.3 -17.5 -11.2 -5.6 0.17| 9.3 1.6 2500 263 9 245 3| 0.4 1.3 1.7| 6.5 -18.1 -11.6 -4.6 0.15| 7.9 1.1 3000 265 9 246 3| 1.0 1.1 2.1| 8.0 -18.1 -10.1 -3.4 0.22| 7.4 1.7 4000 264 8 242 3| 0.8 1.5 2.3| 8.3 -24.4 -16.2 -4.0 0.03| 6.9 0.2 5000 255 8 217 3| 0.6 1.3 1.9| 8.3 -34.0 -25.8 -5.2 -0.05| 6.2 -0.3 6000 244 8 197 4| 0.5 1.0 1.5| 8.3 -40.5 -32.2 -5.4 -0.09| 5.4 -0.5 Wrote GIF file: /home/apache/climate/data/raob//VTBP/skewt/VTBP.skewt.20250508.12.gif