UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 22 APR 25 Station: VVTS WMO ident: 48900 Latitude: 10.82 Longitude: 106.67 Elevation: 19.00 ------------------------------------------------------------------------------- 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 1012 19 29.0 25.6 82 3.4 26.4 90 1 301.1 304.9 299.2 362.6 20.84 1 1000 107 27.0 24.9 88 2.1 25.4 115 5 300.1 303.8 298.6 359.5 20.21 2 973 350 24.8 24.3 97 0.5 24.5 126 8 300.3 304.0 298.5 359.2 20.03 3 925 794 22.0 20.7 92 1.3 21.1 145 13 301.8 304.9 297.0 351.5 16.84 4 883 1198 20.4 15.4 73 5.0 17.0 131 15 304.2 306.5 294.7 341.6 12.56 5 850 1527 19.2 15.5 79 3.7 16.7 120 17 306.3 308.7 295.7 345.7 13.14 6 798 2068 16.6 11.6 72 5.0 13.3 115 16 309.1 311.1 294.8 342.0 10.82 7 724 2890 10.4 7.8 84 2.6 8.8 108 15 311.0 312.7 294.1 339.3 9.21 8 704 3123 10.4 -0.6 46 11.0 4.5 105 15 313.5 314.5 291.7 329.9 5.20 9 700 3171 10.4 0.4 50 10.0 4.9 105 15 314.0 315.1 292.2 331.7 5.63 10 698 3195 10.4 0.4 50 10.0 4.9 105 15 314.3 315.3 292.3 332.1 5.65 11 685 3352 10.4 -7.6 27 18.0 2.0 102 14 316.0 316.6 290.6 326.2 3.15 12 668 3560 9.0 -3.0 43 12.0 2.8 98 14 316.7 317.5 292.1 331.4 4.59 13 652 3761 9.0 -15.0 17 24.0 -0.7 94 13 318.9 319.2 290.3 325.0 1.83 14 619 4190 5.8 -2.2 56 8.0 1.6 87 12 320.0 321.0 293.6 337.0 5.26 15 596 4500 5.2 -12.8 26 18.0 -2.4 81 11 322.8 323.2 291.9 330.8 2.40 16 586 4638 4.0 -8.0 41 12.0 -1.7 79 11 322.9 323.6 293.0 334.8 3.57 17 534 5388 -0.9 -18.9 24 18.0 -7.4 65 9 325.8 326.1 292.1 331.3 1.61 18 508 5785 -3.9 -15.9 39 12.0 -8.5 57 7 326.8 327.2 292.9 334.3 2.18 19 500 5910 -4.5 -20.5 27 16.0 -9.9 55 7 327.6 327.9 292.4 332.8 1.50 20 435 6992 -10.5 -53.5 2 43.0 -16.7 83 6 333.2 333.3 292.7 333.5 0.06 21 424 7188 -11.7 -43.7 5 32.0 -17.3 88 6 334.2 334.2 293.0 334.9 0.19 22 419 7279 -12.7 -20.7 51 8.0 -15.3 91 5 334.0 334.4 294.4 340.3 1.76 23 415 7351 -13.5 -20.5 56 7.0 -15.7 93 5 333.9 334.3 294.4 340.3 1.80 24 406 7518 -14.9 -20.9 60 6.0 -16.8 97 5 334.2 334.6 294.4 340.5 1.78 25 404 7555 -14.7 -40.7 9 26.0 -19.4 98 5 334.9 335.0 293.3 336.0 0.27 26 400 7630 -15.1 -49.1 4 34.0 -20.0 100 5 335.4 335.4 293.3 335.8 0.11 27 393 7763 -15.9 -57.9 1 42.0 -20.8 103 6 336.0 336.0 293.4 336.2 0.04 28 361 8399 -19.5 -51.5 4 32.0 -23.5 116 9 339.5 339.5 294.3 339.8 0.09 29 360 8420 -19.7 -30.7 37 11.0 -22.2 116 9 339.5 339.6 294.9 342.6 0.82 30 358 8461 -19.9 -34.9 25 15.0 -22.9 117 9 339.7 339.8 294.8 341.8 0.55 31 352 8586 -20.9 -26.9 59 6.0 -22.4 120 9 340.0 340.3 295.4 344.5 1.20 32 343 8777 -22.3 -26.0 72 3.7 -23.2 124 10 340.7 340.9 295.7 345.6 1.34 33 339 8864 -22.1 -31.1 44 9.0 -24.1 126 11 342.1 342.3 295.6 345.3 0.84 34 300 9750 -29.3 -35.3 56 6.0 -30.3 145 15 344.1 344.2 295.8 346.5 0.63 35 280 10236 -32.9 -37.6 63 4.7 -33.6 145 17 345.8 345.9 296.1 347.9 0.54 36 272 10439 -34.3 -42.3 44 8.0 -35.3 145 17 346.6 346.7 296.2 348.0 0.34 37 250 11020 -39.1 -50.1 30 11.0 -39.9 145 19 347.9 348.0 296.3 348.6 0.16 38 237 11384 -42.3 -54.3 26 12.0 -43.0 139 19 348.5 348.5 296.4 348.9 0.10 39 223 11794 -46.1 -53.1 45 7.0 -46.4 132 20 348.7 348.8 296.5 349.3 0.12 40 206 12317 -50.3 -53.7 67 3.4 -50.4 123 21 350.1 350.2 296.8 350.7 0.12 41 200 12510 -51.9 -56.1 61 4.2 -52.1 120 21 350.6 350.6 296.8 351.0 0.10 42 184 13046 -56.5 -61.5 53 5.0 -56.6 107 22 351.6 351.6 297.0 351.8 0.05 43 161 13880 -63.9 -67.9 58 4.0 -64.0 86 24 352.8 352.8 297.3 352.9 0.03 44 153 14190 -66.7 -69.4 69 2.7 -66.7 78 25 353.2 353.2 297.3 353.3 0.02 45 150 14310 -67.7 -71.2 61 3.5 -67.7 75 25 353.5 353.5 297.4 353.5 0.02 46 128 15243 -75.9 -80.5 48 4.6 -75.9 89 27 355.1 355.1 297.7 355.1 0.00 47 122 15521 -74.7 -81.7 33 7.0 -74.7 93 27 362.2 362.2 299.1 362.2 0.00 48 105 16376 -81.5 -87.5 35 6.0 -81.5 106 29 365.1 365.1 299.7 365.1 0.00 49 100 16650 -81.3 -86.2 43 4.9 -81.3 110 29 370.6 370.6 300.7 370.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5803.00 m Freezing level: 543.55 mb = 5249.94 m = 17224.01 ft Wetbulb zero: 655.32 mb = 3719.36 m = 12202.48 ft Precipitable water: 1.98 inches Sfc-500 mean rel hum: 58.40 % Est. max temperature: 33.39 C = 92.10 F Sfc-Lift cond lev (LCL): 963.93 mb = 431.80 m = 1416.66 ft T: 24.28 C 700-500 lapse rate: 5.44 C/km ThetaE index: 21.05 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 936.44 mb = 686.04 m = 2250.76 ft Mean mixing ratio: 18.80 g/kg Conv temperature: 29.32 C = 84.77 F Cap Strength: 0.27 C Lifted Index: -3.70 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.24 C Lifted Index @700 mb: -1.87 C Showalter Index: 0.05 C Risk: Thunderstorms probable Total Totals Index: 43.70 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 20.00 C K Index: 29.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 227.00 Risk: None Energy Index: -2.45 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1542.12 J/kg Max Up Vert Vel: 55.54 m/s Conv Inhibition (B-): 0.51 J/kg Cap Strength: 0.27 C Lift Cond Lev (LCL): 943.72 mb = 617.95 m = 2027.36 ft Lev Free Conv (LFC): 928.72 mb = 758.70 m = 2489.15 ft Equ Level (EL): 128.72 mb = 15210.01 m = 49901.02 ft B at Equ Level: 1528.55 J/kg Wind level data Storm motion: 138 at 9 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 1012 19 90 1 -1.0 0.0 | 322 9 5.3 -6.9 1 1000 107 115 5 -4.5 2.1 | 340 5 1.7 -4.7 2 925 794 145 13 -7.5 10.6 | 163 4 -1.2 3.8 3 850 1527 120 17 -14.7 8.5 | 101 9 -8.4 1.6 4 700 3171 105 15 -14.5 3.9 | 70 9 -8.2 -3.0 5 500 5910 55 7 -5.7 -4.0 | 357 11 0.5 -10.9 6 400 7630 100 5 -4.9 0.9 | 347 6 1.4 -6.0 7 300 9750 145 15 -8.6 12.3 | 157 6 -2.3 5.4 8 250 11020 145 19 -10.9 15.6 | 152 10 -4.6 8.7 9 200 12510 120 21 -18.2 10.5 | 107 12 -11.9 3.6 10 150 14310 75 25 -24.1 -6.5 | 53 22 -17.9 -13.3 11 100 16650 110 29 -27.3 9.9 | 98 21 -21.0 3.1 Wind Parameters Mean winds (0-6000m): 107.5 at 12.4 knts Storm direction: 137.5 at 9.3 knts Shear (0-3000m) pos: 2.3 neg: 1.4 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 110.3 deg Storm rel helicity (0-3000m) pos: 6.3 neg: -18.7 tot: -12.4 m^2/s^2 ave: -4.1 10^-3 m/s^2 rel: -0.10 Storm rel vorticity (0-3000m) horiz: 4.4 stream: -0.4 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 273.09 Bulk Shear: 5.65 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 ------------------------------------------------------------------------------- 500 125 6 342 3| 9.4 0.0 9.4| 5.3 0.0 5.3 10.6 0.55| 9.9 5.4 1000 137 9 114 0| 7.0 0.0 7.0| 6.3 -2.0 4.2 4.2 0.37| 8.1 3.0 1500 133 11 113 2| 4.7 1.8 6.5| 6.3 -9.0 -2.7 -1.8 0.09| 7.2 0.6 2000 128 13 104 4| 3.5 1.6 5.1| 6.3 -12.3 -6.1 -3.0 0.02| 5.8 0.1 2500 124 13 98 5| 2.8 1.4 4.2| 6.3 -15.6 -9.3 -3.7 -0.04| 4.9 -0.2 3000 121 14 93 6| 2.3 1.4 3.7| 6.3 -18.7 -12.4 -4.1 -0.10| 4.4 -0.4 4000 116 14 83 6| 1.7 1.4 3.2| 6.3 -30.1 -23.8 -6.0 -0.24| 3.9 -0.9 5000 111 13 71 6| 1.4 1.4 2.8| 6.3 -41.8 -35.5 -7.1 -0.34| 3.6 -1.2 6000 108 12 61 6| 1.2 1.3 2.4| 6.5 -51.5 -45.1 -7.5 -0.39| 3.3 -1.3 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250422.00.gif