UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050612.upa.cvt Date: 1200Z 6 MAY 25 Searching for VT453... Searching the city database file for: VT453 ... Date:1200Z 6 MAY 25 Station: VT453 WMO ident: 48453 Latitude: 13.67 Longitude: 100.61 ------------------------------------------------------------------------------- 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 13 33.0 24.0 59 9.0 26.3 170 4 305.8 309.3 299.2 363.0 19.03 1 1000 49 32.0 24.0 63 8.0 26.0 170 4 305.1 308.7 299.2 362.4 19.11 2 937 632 26.2 23.1 83 3.1 23.9 174 9 305.0 308.6 299.2 362.9 19.33 3 928 717 26.4 17.4 58 9.0 20.1 171 9 306.0 308.6 295.9 346.8 13.60 4 925 746 26.2 19.2 65 7.0 21.2 170 9 306.1 309.0 297.1 352.0 15.31 5 899 997 24.0 21.1 84 2.9 21.9 159 9 306.3 309.7 298.7 359.9 17.79 6 850 1487 21.0 17.1 78 3.9 18.2 120 6 308.1 310.9 297.1 352.3 14.59 7 757 2482 14.4 13.3 93 1.1 13.7 120 7 311.4 313.8 296.8 350.6 12.79 8 700 3142 11.4 7.9 79 3.5 9.2 135 2 315.1 317.0 295.5 345.1 9.60 9 618 4173 5.6 1.4 74 4.2 3.2 111 4 319.9 321.2 294.8 341.9 6.87 10 595 4483 3.4 3.4 100 0.0 3.4 103 4 320.8 322.4 296.0 347.2 8.25 11 581 4676 3.0 0.6 84 2.4 1.7 101 5 322.5 323.9 295.5 344.9 6.90 12 578 4718 3.2 -0.2 78 3.4 1.3 102 5 323.3 324.5 295.4 344.5 6.54 13 542 5237 0.0 -2.0 86 2.0 -1.1 108 5 325.4 326.7 295.6 345.5 6.11 14 500 5880 -3.9 -7.0 79 3.1 -5.4 90 4 328.3 329.2 295.1 343.5 4.53 15 476 6267 -6.5 -8.5 86 2.0 -7.4 98 4 329.7 330.6 295.3 344.0 4.23 16 420 7237 -11.1 -15.9 68 4.8 -12.9 85 9 335.8 336.4 295.6 345.1 2.64 17 400 7610 -13.9 -18.9 66 5.0 -15.6 80 11 336.9 337.4 295.4 344.6 2.15 18 397 7667 -14.1 -20.1 60 6.0 -16.1 82 11 337.4 337.8 295.4 344.4 1.95 19 345 8720 -21.5 -23.3 85 1.8 -22.0 119 7 341.2 341.5 296.1 347.4 1.70 20 300 9740 -27.7 -35.7 46 8.0 -29.1 135 3 346.3 346.5 296.4 348.7 0.61 21 280 10231 -31.3 -43.3 30 12.0 -32.8 161 6 348.1 348.1 296.5 349.3 0.30 22 268 10539 -33.7 -46.7 26 13.0 -35.0 178 7 349.0 349.0 296.6 349.8 0.21 23 262 10696 -35.3 -42.3 49 7.0 -36.1 184 8 348.9 348.9 296.7 350.3 0.35 24 257 10830 -36.5 -46.5 35 10.0 -37.4 178 8 349.0 349.1 296.6 350.0 0.23 25 250 11020 -38.3 -44.3 53 6.0 -38.9 170 9 349.1 349.2 296.7 350.3 0.30 26 240 11298 -40.7 -44.8 65 4.1 -41.1 172 12 349.6 349.7 296.8 350.8 0.29 27 239 11326 -40.3 -48.3 42 8.0 -40.9 173 12 350.6 350.7 297.0 351.5 0.20 28 234 11470 -41.5 -50.5 37 9.0 -42.1 174 13 350.9 351.0 297.0 351.6 0.16 29 226 11703 -43.7 -48.6 58 4.9 -44.0 176 15 351.1 351.1 297.1 351.9 0.20 30 215 12035 -46.1 -63.1 13 17.0 -46.7 179 18 352.4 352.4 297.2 352.6 0.04 31 200 12510 -50.3 -63.3 20 13.0 -50.7 185 18 353.1 353.1 297.3 353.3 0.04 32 190 12842 -53.5 -61.5 37 8.0 -53.7 185 18 353.2 353.2 297.4 353.4 0.05 33 186 12979 -54.7 -70.7 12 16.0 -55.0 185 18 353.4 353.4 297.4 353.5 0.01 34 171 13511 -59.5 -69.5 26 10.0 -59.6 185 17 354.1 354.1 297.5 354.1 0.02 35 169 13585 -60.1 -71.1 22 11.0 -60.2 185 17 354.2 354.3 297.5 354.3 0.02 36 163 13810 -61.5 -64.3 69 2.8 -61.6 182 16 355.6 355.6 297.8 355.8 0.04 37 150 14320 -65.5 -73.5 32 8.0 -65.5 160 13 357.2 357.3 298.2 357.3 0.01 38 147 14442 -66.5 -79.5 14 13.0 -66.6 159 14 357.6 357.6 298.2 357.6 0.00 39 141 14693 -68.7 -72.8 55 4.1 -68.7 156 15 358.0 358.0 298.3 358.1 0.01 40 136 14908 -70.7 -78.7 30 8.0 -70.8 154 16 358.2 358.2 298.4 358.2 0.01 41 130 15174 -72.9 -76.6 57 3.7 -72.9 151 18 358.9 358.9 298.5 358.9 0.01 42 125 15402 -75.1 -79.0 54 3.9 -75.1 149 17 359.0 359.0 298.5 359.0 0.01 43 100 16670 -82.9 -86.8 51 3.9 -82.9 205 2 367.6 367.6 300.1 367.6 0.00 44 91 17191 -85.9 -89.5 52 3.6 -85.9 315 4 371.7 371.7 300.8 371.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5831.00 m Freezing level: 542.00 mb = 5237.43 m = 17182.95 ft Wetbulb zero: 558.39 mb = 4996.98 m = 16394.11 ft Precipitable water: 2.58 inches Sfc-500 mean rel hum: 81.27 % Est. max temperature: 35.20 C = 95.35 F Sfc-Lift cond lev (LCL): 882.33 mb = 1160.84 m = 3808.47 ft T: 23.00 C 700-500 lapse rate: 5.59 C/km ThetaE index: 17.96 C Layer 850.0- 595.0 mb Conv cond level (CCL): 840.74 mb = 1581.06 m = 5187.13 ft Mean mixing ratio: 18.17 g/kg Conv temperature: 35.66 C = 96.18 F Cap Strength: 1.64 C Lifted Index: -4.27 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -4.40 C Lifted Index @700 mb: -1.74 C Showalter Index: -1.75 C Risk: Thunderstorms probable Total Totals Index: 45.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 21.00 C K Index: 38.50 Risk: > 80 % chance of thunderstorms Sweat Index: 221.20 Risk: None Energy Index: -1.76 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1836.74 J/kg Max Up Vert Vel: 60.61 m/s Conv Inhibition (B-): 35.36 J/kg Cap Strength: 1.64 C Lift Cond Lev (LCL): 878.25 mb = 1201.34 m = 3941.37 ft Lev Free Conv (LFC): 803.25 mb = 1972.53 m = 6471.48 ft Equ Level (EL): 123.25 mb = 15482.30 m = 50794.34 ft B at Equ Level: 1835.47 J/kg Wind level data Storm motion: 159 at 4 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 13 170 4 -0.7 3.9 | 265 1 0.8 0.1 1 1000 49 170 4 -0.7 3.9 | 265 1 0.8 0.1 2 972 305 180 8 0.0 8.0 | 200 4 1.5 4.1 3 939 610 175 9 -0.8 9.0 | 188 5 0.7 5.1 4 925 746 170 9 -1.6 8.9 | 179 5 -0.1 5.0 5 907 914 165 9 -2.3 8.7 | 170 5 -0.9 4.8 6 850 1487 120 6 -5.2 3.0 | 77 4 -3.7 -0.9 7 846 1524 120 6 -5.2 3.0 | 77 4 -3.7 -0.9 8 788 2134 120 9 -7.8 4.5 | 96 6 -6.3 0.6 9 708 3048 120 3 -2.6 1.5 | 25 3 -1.1 -2.4 10 700 3142 135 2 -1.4 1.4 | 359 2 0.1 -2.5 11 657 3658 125 3 -2.5 1.7 | 25 2 -1.0 -2.2 12 587 4572 100 4 -3.9 0.7 | 38 4 -2.5 -3.2 13 566 4877 105 6 -5.8 1.6 | 62 5 -4.3 -2.3 14 525 5486 110 5 -4.7 1.7 | 56 4 -3.2 -2.2 15 500 5880 90 4 -4.0 0.0 | 33 5 -2.5 -3.9 16 486 6096 100 3 -3.0 0.5 | 24 4 -1.5 -3.4 17 400 7610 80 11 -10.8 -1.9 | 58 11 -9.4 -5.8 18 399 7620 80 11 -10.8 -1.9 | 58 11 -9.4 -5.8 19 325 9144 135 6 -4.2 4.2 | 98 3 -2.8 0.4 20 300 9740 135 3 -2.1 2.1 | 20 2 -0.7 -1.8 21 263 10668 185 8 0.7 8.0 | 208 5 2.2 4.1 22 250 11020 170 9 -1.6 8.9 | 179 5 -0.1 5.0 23 210 12192 180 20 0.0 20.0 | 185 16 1.5 16.1 24 200 12510 185 18 1.6 17.9 | 192 14 3.0 14.1 25 165 13716 185 17 1.5 16.9 | 193 13 2.9 13.1 26 150 14320 160 13 -4.4 12.2 | 160 9 -3.0 8.3 27 128 15240 150 18 -9.0 15.6 | 147 14 -7.5 11.7 28 104 16459 140 10 -6.4 7.7 | 127 6 -5.0 3.8 29 100 16670 205 2 0.8 1.8 | 312 3 2.3 -2.1 30 88 17374 350 4 0.7 -3.9 | 345 8 2.2 -7.8 Wind Parameters Mean winds (0-6000m): 129.2 at 5.5 knts Storm direction: 159.2 at 4.1 knts Shear (0-3000m) pos: 0.8 neg: 1.3 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 125.4 deg Storm rel helicity (0-3000m) pos: 2.0 neg: -14.4 tot: -12.4 m^2/s^2 ave: -4.1 10^-3 m/s^2 rel: -0.58 Storm rel vorticity (0-3000m) horiz: 3.8 stream: -2.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 521.76 Bulk Shear: 3.52 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 ------------------------------------------------------------------------------- 500 177 7 201 3| 4.9 0.0 4.9| 0.0 -1.4 -1.4 -2.8 -0.45| 5.2 -2.3 1000 173 8 187 4| 2.4 1.5 3.9| 0.0 -5.3 -5.3 -5.3 -0.64| 4.3 -2.7 1500 164 8 169 4| 1.6 2.5 4.1| 0.0 -10.5 -10.5 -7.0 -0.77| 4.7 -3.6 2000 153 8 145 3| 1.2 2.1 3.3| 1.7 -10.5 -8.8 -4.4 -0.57| 4.1 -2.4 2500 146 8 130 4| 1.0 1.5 2.5| 2.0 -12.2 -10.2 -4.1 -0.54| 3.9 -2.1 3000 142 7 122 3| 0.8 1.3 2.1| 2.0 -14.4 -12.4 -4.1 -0.58| 3.8 -2.2 4000 140 6 107 3| 0.6 1.0 1.6| 2.9 -15.2 -12.4 -3.1 -0.51| 3.2 -1.7 5000 134 6 92 3| 0.6 0.9 1.5| 5.2 -15.3 -10.1 -2.0 -0.38| 2.9 -1.1 6000 129 6 82 3| 0.5 0.8 1.3| 5.2 -18.0 -12.8 -2.1 -0.42| 2.7 -1.1 Wrote GIF file: /home/apache/climate/data/raob//VT453/skewt/VT453.skewt.20250506.12.gif