UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100712.upa.cvt Date: 1200Z 7 OCT 25 Searching for VT453... Searching the city database file for: VT453 ... Date:1200Z 7 OCT 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 1008 14 29.4 21.4 62 8.0 23.6 300 8 301.9 304.8 296.5 349.4 16.12 1 1005 40 27.2 21.2 70 6.0 22.9 293 9 299.9 302.8 295.9 346.6 15.97 2 1000 84 26.8 20.8 70 6.0 22.5 280 12 300.0 302.8 295.7 345.7 15.65 3 973 326 24.6 20.7 79 3.9 21.8 274 15 300.1 303.0 296.0 346.9 15.99 4 970 353 26.8 18.8 62 8.0 21.2 273 15 302.6 305.2 295.4 344.6 14.22 5 925 771 22.8 19.5 82 3.3 20.5 255 13 302.6 305.5 296.4 348.8 15.61 6 897 1039 20.2 19.9 98 0.3 20.0 242 11 302.6 305.7 297.0 351.5 16.52 7 850 1505 19.0 19.0 100 0.0 19.0 210 8 306.0 309.1 297.8 355.5 16.49 8 714 2990 11.8 11.8 100 0.0 11.8 196 3 313.8 316.1 297.0 351.8 12.28 9 709 3050 12.2 12.2 100 0.0 12.2 195 3 314.8 317.3 297.5 354.3 12.71 10 700 3157 11.2 11.2 100 0.0 11.2 205 3 314.9 317.2 297.1 352.3 12.03 11 649 3783 5.8 5.8 100 0.0 5.8 283 3 315.7 317.4 295.2 343.7 8.96 12 647 3809 7.2 7.2 100 0.0 7.2 286 3 317.5 319.4 296.4 348.7 9.91 13 641 3886 7.4 7.4 100 0.0 7.4 294 4 318.6 320.6 296.8 350.7 10.14 14 601 4413 2.6 2.6 100 0.0 2.6 354 5 319.0 320.5 295.1 343.5 7.71 15 555 5052 -2.5 -7.5 68 5.0 -4.8 65 6 320.3 321.1 292.6 333.1 3.92 16 539 5285 -1.9 -4.4 83 2.5 -3.1 73 7 323.7 324.7 294.4 340.5 5.13 17 511 5708 -4.1 -9.1 68 5.0 -6.4 88 8 326.0 326.8 294.0 338.6 3.76 18 500 5880 -4.9 -8.8 74 3.9 -6.7 95 8 327.1 327.8 294.4 340.3 3.94 19 480 6199 -6.5 -8.9 83 2.4 -7.6 96 9 328.9 329.7 295.0 342.7 4.07 20 466 6430 -7.9 -13.9 62 6.0 -10.3 99 10 330.0 330.6 294.2 339.6 2.80 21 442 6838 -9.5 -13.8 71 4.3 -11.2 105 11 333.0 333.6 295.1 343.3 2.98 22 400 7600 -15.3 -19.2 72 3.9 -16.6 115 13 335.1 335.5 294.9 342.5 2.09 23 352 8556 -21.3 -23.6 82 2.3 -22.0 113 13 339.5 339.8 295.6 345.4 1.62 24 300 9720 -28.9 -32.6 70 3.7 -29.6 100 25 344.6 344.8 296.1 347.8 0.82 25 298 9768 -29.1 -33.1 68 4.0 -29.8 99 25 345.0 345.2 296.2 348.1 0.79 26 275 10338 -34.1 -37.0 75 2.9 -34.5 90 22 345.8 345.9 296.2 348.1 0.58 27 259 10756 -36.9 -41.3 64 4.4 -37.4 81 19 347.7 347.8 296.5 349.3 0.40 28 250 11000 -39.1 -43.1 66 4.0 -39.5 70 18 347.9 348.0 296.5 349.3 0.34 29 241 11250 -41.1 -44.2 72 3.1 -41.4 71 20 348.6 348.7 296.6 349.9 0.31 30 200 12490 -50.7 -54.6 63 3.9 -50.8 70 35 352.5 352.5 297.3 353.0 0.12 31 150 14290 -67.7 -72.4 51 4.7 -67.7 70 45 353.5 353.5 297.4 353.5 0.01 32 125 15358 -77.9 -82.3 49 4.4 -77.9 72 33 353.9 353.9 297.5 353.9 0.00 33 113 15929 -81.3 -85.3 51 4.0 -81.3 85 34 357.9 357.9 298.3 357.9 0.00 34 100 16620 -78.3 -84.3 37 6.0 -78.3 100 26 376.4 376.4 301.6 376.5 0.00 35 96 16853 -78.9 -83.9 44 5.0 -78.9 98 24 379.7 379.7 302.2 379.7 0.00 36 88 17357 -72.3 -84.3 15 12.0 -72.3 93 20 402.5 402.5 305.5 402.5 0.00 37 73 18440 -78.5 -85.5 31 7.0 -78.5 93 13 411.5 411.5 306.7 411.5 0.00 38 70 18680 -76.7 -85.7 23 9.0 -76.7 105 14 420.3 420.3 307.7 420.3 0.00 39 64 19198 -74.7 -86.7 14 12.0 -74.7 91 15 435.6 435.6 309.4 435.6 0.00 40 59 19670 -75.5 -88.5 11 13.0 -75.6 78 16 444.1 444.1 310.3 444.1 0.00 41 51 20532 -67.1 -90.1 2 23.0 -67.3 83 22 482.6 482.6 313.7 482.6 0.00 TRP 113 15929 -81.3 -85.3 51 4.0 -81.3 85 34 357.9 357.9 298.3 357.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5796.00 m Freezing level: 577.55 mb = 4738.47 m = 15545.98 ft Wetbulb zero: 584.81 mb = 4631.75 m = 15195.84 ft Precipitable water: 2.60 inches Sfc-500 mean rel hum: 90.51 % Est. max temperature: 33.00 C = 91.39 F Sfc-Lift cond lev (LCL): 897.83 mb = 1030.96 m = 3382.36 ft T: 20.28 C 700-500 lapse rate: 5.91 C/km ThetaE index: 10.59 C Layer 700.0- 647.0 mb Conv cond level (CCL): 816.00 mb = 1852.80 m = 6078.68 ft Mean mixing ratio: 15.40 g/kg Conv temperature: 35.41 C = 95.73 F Cap Strength: 1.93 C Lifted Index: -0.94 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.02 C Lifted Index @700 mb: 1.40 C Showalter Index: -3.81 C Risk: Severe thunderstorms possible Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 23.90 C K Index: 42.90 Risk: > 80 % chance of thunderstorms Sweat Index: 252.00 Risk: None Energy Index: -3.06 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 172.06 J/kg Max Up Vert Vel: 18.55 m/s Conv Inhibition (B-): 141.18 J/kg Cap Strength: 1.95 C Lift Cond Lev (LCL): 890.63 mb = 1100.69 m = 3611.14 ft Lev Free Conv (LFC): 665.63 mb = 3573.95 m = 11725.41 ft Equ Level (EL): 645.63 mb = 3826.33 m = 12553.43 ft B at Equ Level: 21.25 J/kg Max Parcel Lev (MPL): 215.63 mb = 11989.64 m = 39335.63 ft Wind level data Storm motion: 277 at 5 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 14 300 8 6.9 -4.0 | 330 4 1.9 -3.4 1 1000 84 280 12 11.8 -2.1 | 282 7 6.8 -1.5 2 975 305 275 15 14.9 -1.3 | 274 10 9.9 -0.7 3 942 610 265 14 13.9 1.2 | 258 9 8.9 1.9 4 925 771 255 13 12.6 3.4 | 242 9 7.6 4.0 5 910 914 250 12 11.3 4.1 | 233 8 6.3 4.7 6 850 1505 210 8 4.0 6.9 | 172 8 -1.0 7.6 7 848 1524 210 8 4.0 6.9 | 172 8 -1.0 7.6 8 789 2134 215 4 2.3 3.3 | 145 5 -2.7 3.9 9 709 3048 195 3 0.8 2.9 | 130 6 -4.2 3.5 10 700 3157 205 3 1.3 2.7 | 132 5 -3.7 3.4 11 658 3658 270 3 3.0 -0.0 | 108 2 -2.0 0.6 12 588 4572 15 6 -1.6 -5.8 | 52 8 -6.6 -5.2 13 566 4877 60 6 -5.2 -3.0 | 77 10 -10.2 -2.4 14 525 5486 80 7 -6.9 -1.2 | 87 12 -11.9 -0.6 15 500 5880 95 8 -8.0 0.7 | 96 13 -13.0 1.3 16 486 6096 95 9 -9.0 0.8 | 96 14 -14.0 1.4 17 400 7600 115 13 -11.8 5.5 | 110 18 -16.8 6.1 18 399 7620 110 14 -13.2 4.8 | 107 19 -18.2 5.4 19 324 9144 115 13 -11.8 5.5 | 110 18 -16.8 6.1 20 300 9720 100 25 -24.6 4.3 | 100 30 -29.6 5.0 21 262 10668 85 20 -19.9 -1.7 | 87 25 -24.9 -1.1 22 250 11000 70 18 -16.9 -6.2 | 76 23 -21.9 -5.5 23 209 12192 75 29 -28.0 -7.5 | 78 34 -33.0 -6.9 24 200 12490 70 35 -32.9 -12.0 | 73 40 -37.9 -11.3 25 164 13716 50 46 -35.2 -29.6 | 54 50 -40.2 -28.9 26 150 14290 70 45 -42.3 -15.4 | 73 50 -47.3 -14.8 27 127 15240 70 33 -31.0 -11.3 | 74 38 -36.0 -10.7 28 113 15929 85 34 -33.9 -3.0 | 87 39 -38.9 -2.3 29 103 16459 90 30 -30.0 0.0 | 91 35 -35.0 0.6 30 100 16620 100 26 -25.6 4.5 | 100 31 -30.6 5.1 31 75 18288 85 13 -13.0 -1.1 | 88 18 -18.0 -0.5 32 70 18680 105 14 -13.5 3.6 | 103 19 -18.5 4.3 33 56 19812 70 17 -16.0 -5.8 | 76 22 -21.0 -5.2 34 47 20726 95 27 -26.9 2.4 | 95 32 -31.9 3.0 Wind Parameters Mean winds (0-6000m): 247.2 at 6.7 knts Storm direction: 277.2 at 5.0 knts Shear (0-3000m) pos: 0.6 neg: 1.9 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 160.1 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -45.4 tot: -45.4 m^2/s^2 ave: -15.1 10^-3 m/s^2 rel: -0.84 Storm rel vorticity (0-3000m) horiz: 5.0 stream: -4.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 19.17 Bulk Shear: 8.98 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 ------------------------------------------------------------------------------- 500 276 13 275 8| 0.0 8.9 8.9| 0.0 -12.6 -12.6 -25.3 -0.73| 10.9 -7.9 1000 267 13 260 8| 0.0 5.0 5.0| 0.0 -26.3 -26.3 -26.3 -0.81| 8.7 -7.1 1500 257 12 244 7| 0.0 3.9 3.9| 0.0 -39.3 -39.3 -26.2 -0.86| 8.1 -7.0 2000 250 11 230 7| 0.8 2.9 3.7| 0.0 -42.7 -42.7 -21.4 -0.84| 6.9 -5.8 2500 247 9 220 6| 0.7 2.2 2.9| 0.0 -44.4 -44.4 -17.7 -0.84| 5.8 -4.9 3000 244 8 209 5| 0.6 1.9 2.4| 0.0 -45.4 -45.4 -15.1 -0.84| 5.0 -4.2 4000 245 7 200 4| 1.1 1.4 2.5| 0.4 -47.4 -47.0 -11.8 -0.77| 4.6 -3.5 5000 253 7 207 3| 1.2 1.1 2.3| 15.0 -47.6 -32.6 -6.5 -0.46| 4.8 -2.2 6000 247 7 200 3| 1.0 0.9 2.0| 26.1 -47.6 -21.5 -3.6 -0.35| 4.4 -1.5 Wrote GIF file: /home/apache/climate/data/raob//VT453/skewt/VT453.skewt.20251007.12.gif