UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060112.upa.cvt Date: 1200Z 1 JUN 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:1200Z 1 JUN 25 Station: VTBC WMO ident: 48480 Latitude: 12.60 Longitude: 102.12 Elevation: 4.00 ------------------------------------------------------------------------------- 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 4 31.0 26.0 75 5.0 27.2 220 6 303.5 307.5 300.1 367.6 21.46 1 1000 68 29.8 25.5 78 4.3 26.6 215 9 303.0 306.8 299.7 365.3 20.96 2 934 675 24.0 23.7 98 0.3 23.8 229 9 303.0 306.7 299.2 362.8 20.13 3 925 760 23.8 21.3 86 2.5 22.0 235 10 303.6 306.9 297.8 355.7 17.50 4 910 903 23.6 18.6 74 5.0 20.1 244 11 304.9 307.6 296.5 349.6 14.98 5 907 932 24.2 16.2 61 8.0 18.7 246 11 305.8 308.2 295.4 344.4 12.88 6 850 1499 21.0 16.0 73 5.0 17.5 280 15 308.1 310.7 296.4 349.2 13.58 7 794 2085 16.6 13.5 82 3.1 14.5 275 17 309.5 311.8 296.0 347.1 12.35 8 777 2270 15.8 10.8 72 5.0 12.6 274 17 310.6 312.6 295.0 342.8 10.53 9 710 3034 13.4 0.4 41 13.0 6.2 265 14 316.0 317.1 292.7 333.7 5.55 10 700 3154 12.4 0.4 44 12.0 5.8 260 14 316.2 317.3 292.8 334.1 5.63 11 630 4027 5.8 -1.2 61 7.0 2.1 280 18 318.4 319.4 293.4 336.2 5.57 12 558 5011 0.4 0.2 99 0.2 0.3 301 9 323.2 324.6 295.7 345.9 6.98 13 552 5098 1.4 -1.2 83 2.6 -0.0 298 9 325.4 326.7 295.8 346.3 6.36 14 514 5670 -0.7 -6.7 64 6.0 -3.7 296 7 329.6 330.5 295.4 344.8 4.51 15 500 5890 -2.3 -6.4 73 4.1 -4.3 310 5 330.2 331.2 295.8 346.2 4.74 16 468 6412 -5.9 -8.4 82 2.5 -7.1 346 4 332.1 332.9 295.9 346.8 4.34 17 441 6877 -7.5 -13.5 62 6.0 -10.0 18 5 335.7 336.4 295.8 346.4 3.06 18 400 7630 -12.7 -17.7 66 5.0 -14.5 75 7 338.5 339.0 296.0 347.0 2.38 19 391 7804 -13.7 -18.1 69 4.4 -15.3 77 8 339.4 339.9 296.1 347.8 2.35 20 339 8876 -20.5 -37.5 20 17.0 -23.7 91 13 344.3 344.4 295.7 346.0 0.45 21 335 8964 -21.1 -30.1 44 9.0 -23.2 92 13 344.6 344.8 296.2 348.2 0.94 22 334 8986 -21.3 -36.3 25 15.0 -24.2 93 13 344.6 344.7 295.9 346.6 0.51 23 320 9300 -23.7 -32.7 43 9.0 -25.6 92 14 345.5 345.7 296.3 348.5 0.76 24 311 9509 -24.7 -37.7 29 13.0 -26.9 86 15 347.0 347.1 296.4 348.9 0.48 25 300 9770 -27.1 -42.1 23 15.0 -29.2 80 16 347.2 347.3 296.3 348.5 0.31 26 295 9890 -27.9 -45.9 16 18.0 -30.1 80 16 347.7 347.8 296.3 348.6 0.21 27 256 10887 -36.7 -47.7 31 11.0 -37.7 77 19 349.1 349.2 296.6 350.0 0.20 28 250 11050 -37.9 -50.9 24 13.0 -38.9 75 19 349.7 349.7 296.7 350.3 0.14 29 229 11650 -42.9 -59.9 14 17.0 -43.7 80 21 351.0 351.0 296.9 351.2 0.05 30 202 12485 -50.7 -58.7 38 8.0 -51.0 81 24 351.5 351.5 297.0 351.8 0.07 31 200 12550 -51.1 -59.1 38 8.0 -51.4 80 24 351.8 351.9 297.1 352.1 0.07 32 195 12714 -52.5 -62.5 29 10.0 -52.8 82 26 352.2 352.2 297.1 352.4 0.04 33 191 12848 -53.3 -69.3 13 16.0 -53.6 84 27 353.0 353.0 297.3 353.1 0.02 34 175 13405 -57.9 -66.9 31 9.0 -58.0 91 33 354.4 354.4 297.6 354.5 0.03 35 171 13551 -58.9 -63.0 59 4.1 -59.0 93 34 355.0 355.1 297.7 355.3 0.05 36 156 14120 -63.9 -67.1 65 3.2 -64.0 98 37 356.0 356.0 297.9 356.1 0.03 37 151 14319 -64.5 -72.5 32 8.0 -64.6 100 37 358.3 358.3 298.4 358.3 0.01 38 150 14360 -64.7 -72.7 32 8.0 -64.8 100 37 358.6 358.6 298.4 358.7 0.01 39 137 14905 -69.7 -80.7 19 11.0 -69.8 94 36 359.2 359.2 298.5 359.2 0.00 40 132 15126 -71.3 -79.3 29 8.0 -71.3 92 35 360.2 360.2 298.7 360.2 0.01 41 101 16674 -79.2 -84.3 43 5.1 -79.2 90 61 373.6 373.6 301.2 373.6 0.00 42 100 16730 -79.5 -84.5 43 5.0 -79.5 90 61 374.1 374.1 301.3 374.1 0.00 43 89 17385 -82.3 -87.3 42 5.0 -82.3 75 57 381.2 381.2 302.5 381.2 0.00 44 84 17712 -77.7 -86.7 22 9.0 -77.7 80 53 396.9 396.9 304.8 396.9 0.00 45 71 18669 -79.1 -89.1 18 10.0 -79.1 102 26 413.5 413.5 306.9 413.5 0.00 46 70 18750 -78.7 -88.7 18 10.0 -78.7 105 21 416.0 416.0 307.2 416.0 0.00 47 60 19635 -76.7 -90.7 9 14.0 -76.7 88 27 439.2 439.2 309.8 439.2 0.00 48 57 19934 -73.1 -91.1 5 18.0 -73.2 88 25 453.9 453.9 311.2 453.9 0.00 49 55 20147 -67.5 -90.5 2 23.0 -67.7 93 21 471.4 471.4 312.8 471.4 0.00 50 52 20489 -63.1 -91.1 1 28.0 -63.5 100 15 489.3 489.3 314.2 489.3 0.00 51 50 20730 -65.3 -89.3 2 24.0 -65.6 105 11 489.6 489.6 314.2 489.6 0.00 52 48 20979 -65.5 -90.5 2 25.0 -65.8 107 10 494.9 494.9 314.6 494.9 0.00 53 42 21796 -64.3 -90.3 2 26.0 -64.7 115 12 517.1 517.1 316.1 517.1 0.00 54 37 22582 -59.5 -88.5 1 29.0 -60.3 122 18 548.5 548.5 318.0 548.5 0.00 55 34 23109 -62.1 -90.1 1 28.0 -62.7 118 23 555.1 555.1 318.3 555.1 0.00 56 30 23890 -59.1 -89.1 1 30.0 -60.1 95 34 583.5 583.5 319.8 583.6 0.00 57 28 24325 -57.1 -88.1 1 31.0 -58.5 92 36 600.7 600.7 320.6 600.7 0.01 58 28 24325 -57.1 -88.1 1 31.0 -58.5 92 36 600.7 600.7 320.6 600.7 0.01 TRP 89 17385 -82.3 -87.3 42 5.0 -82.3 75 57 381.2 381.2 302.5 381.2 0.00 WND 101 16674 -79.2 -84.3 43 5.1 -79.2 90 61 373.6 373.6 301.2 373.6 0.00 Sounding variables and indices 1000-500 mb thick: 5822.00 m Freezing level: 526.67 mb = 5479.13 m = 17975.95 ft Wetbulb zero: 552.72 mb = 5087.05 m = 16689.59 ft Precipitable water: 2.31 inches Sfc-500 mean rel hum: 70.30 % Est. max temperature: 35.31 C = 95.56 F Sfc-Lift cond lev (LCL): 937.35 mb = 643.02 m = 2109.63 ft T: 24.30 C 700-500 lapse rate: 5.37 C/km ThetaE index: 23.22 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 868.48 mb = 1311.20 m = 4301.79 ft Mean mixing ratio: 19.55 g/kg Conv temperature: 34.82 C = 94.68 F Cap Strength: 1.65 C Lifted Index: -3.14 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.56 C Lifted Index @700 mb: -1.10 C Showalter Index: 0.93 C Risk: Thunderstorms probable Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 18.30 C K Index: 27.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 227.00 Risk: None Energy Index: -0.65 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1925.05 J/kg Max Up Vert Vel: 62.05 m/s Conv Inhibition (B-): 27.76 J/kg Cap Strength: 1.56 C Lift Cond Lev (LCL): 920.52 mb = 802.57 m = 2633.07 ft Lev Free Conv (LFC): 825.52 mb = 1750.49 m = 5743.00 ft Equ Level (EL): 125.52 mb = 15416.67 m = 50579.03 ft B at Equ Level: 1909.81 J/kg Max Parcel Lev (MPL): 65.52 mb = 19129.99 m = 62761.67 ft Wind level data Storm motion: 302 at 10 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 4 220 6 3.9 4.6 | 156 11 -4.4 9.7 1 1000 68 215 9 5.2 7.4 | 166 13 -3.1 12.5 2 974 305 215 9 5.2 7.4 | 166 13 -3.1 12.5 3 941 610 225 9 6.4 6.4 | 171 12 -1.9 11.5 4 925 760 235 10 8.2 5.7 | 180 11 -0.1 10.9 5 909 914 245 11 10.0 4.6 | 190 10 1.7 9.8 6 850 1499 280 15 14.8 -2.6 | 249 7 6.5 2.5 7 848 1524 280 15 14.8 -2.6 | 249 7 6.5 2.5 8 789 2134 275 17 16.9 -1.5 | 247 9 8.7 3.6 9 709 3048 265 14 13.9 1.2 | 222 9 5.7 6.3 10 700 3154 260 14 13.8 2.4 | 216 9 5.5 7.6 11 658 3658 270 21 21.0 -0.0 | 248 14 12.7 5.1 12 588 4572 295 12 10.9 -5.1 | 269 3 2.6 0.1 13 566 4877 305 9 7.4 -5.2 | 88 1 -0.9 -0.0 14 525 5486 285 9 8.7 -2.3 | 189 3 0.4 2.8 15 500 5890 310 5 3.8 -3.2 | 113 5 -4.4 1.9 16 487 6096 325 4 2.3 -3.3 | 107 6 -6.0 1.9 17 401 7620 70 5 -4.7 -1.7 | 105 13 -13.0 3.4 18 400 7630 75 7 -6.8 -1.8 | 102 15 -15.0 3.3 19 326 9144 95 14 -13.9 1.2 | 106 23 -22.2 6.3 20 300 9770 80 16 -15.8 -2.8 | 96 24 -24.0 2.3 21 264 10668 80 19 -18.7 -3.3 | 94 27 -27.0 1.8 22 250 11050 75 19 -18.4 -4.9 | 90 27 -26.6 0.2 23 211 12192 85 23 -22.9 -2.0 | 96 31 -31.2 3.1 24 200 12550 80 24 -23.6 -4.2 | 92 32 -31.9 1.0 25 166 13716 95 36 -35.9 3.1 | 101 45 -44.1 8.3 26 150 14360 100 37 -36.4 6.4 | 104 46 -44.7 11.6 27 129 15240 90 35 -35.0 0.0 | 97 44 -43.3 5.1 28 105 16459 90 56 -56.0 0.0 | 95 64 -64.3 5.1 29 101 16674 90 61 -61.0 0.0 | 94 69 -69.3 5.1 30 100 16730 90 61 -61.0 0.0 | 94 69 -69.3 5.1 31 89 17385 75 57 -55.1 -14.8 | 81 64 -63.3 -9.6 32 76 18288 90 47 -47.0 0.0 | 95 56 -55.3 5.1 33 70 18750 105 21 -20.3 5.4 | 110 30 -28.5 10.6 34 58 19812 85 28 -27.9 -2.4 | 94 36 -36.2 2.7 35 50 20730 105 11 -10.6 2.8 | 113 21 -18.9 8.0 36 45 21336 110 8 -7.5 2.7 | 116 18 -15.8 7.9 37 35 22860 125 20 -16.4 11.5 | 124 30 -24.6 16.6 38 30 23890 95 34 -33.9 3.0 | 101 43 -42.1 8.1 39 27 24384 90 38 -38.0 0.0 | 96 47 -46.3 5.1 40 25 24689 85 43 -42.8 -3.7 | 92 51 -51.1 1.4 Wind Parameters Mean winds (0-6000m): 271.8 at 13.0 knts Storm direction: 301.8 at 9.7 knts Shear (0-3000m) pos: 2.2 neg: 0.6 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 67.5 deg Storm rel helicity (0-3000m) pos: 38.3 neg: -9.4 tot: 28.9 m^2/s^2 ave: 9.6 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 1.9 10^-3/s Energy-Hel index: 0.46 Bulk Rich Number: 125.84 Bulk Shear: 15.30 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 ------------------------------------------------------------------------------- 500 217 9 166 13| 3.1 0.0 3.1| 8.7 0.0 8.7 17.5 0.68| 4.2 2.9 1000 227 9 173 12| 3.7 0.0 3.7| 23.0 0.0 23.0 23.0 0.80| 5.1 4.0 1500 244 11 188 10| 4.5 0.0 4.5| 38.3 0.0 38.3 25.5 0.86| 6.0 5.2 2000 256 12 203 9| 3.4 0.5 3.9| 38.3 -0.3 37.9 19.0 0.77| 5.0 3.8 2500 261 13 212 8| 2.7 0.5 3.2| 38.3 -4.4 33.8 13.5 0.62| 4.4 2.7 3000 262 13 215 8| 2.2 0.6 2.9| 38.3 -9.4 28.9 9.6 0.47| 4.1 1.9 4000 265 14 223 9| 2.3 0.5 2.8| 60.8 -10.9 49.9 12.5 0.49| 4.7 2.3 5000 269 14 227 8| 1.4 0.4 1.8| 63.4 -10.9 52.5 10.5 0.46| 4.9 2.2 6000 272 13 225 7| 1.2 0.5 1.7| 63.7 -14.2 49.6 8.3 0.34| 4.8 1.6 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250601.12.gif