UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 23 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 1011 19 27.0 24.1 84 2.9 24.9 95 1 299.2 302.7 297.7 354.8 19.02 1 1000 96 26.4 24.0 87 2.4 24.6 100 3 299.5 303.0 297.8 355.5 19.11 2 942 622 22.6 22.5 99 0.1 22.6 146 8 300.8 304.2 297.8 355.3 18.51 3 925 782 23.2 18.6 75 4.6 20.0 160 9 303.0 305.8 295.9 346.7 14.74 4 920 829 23.4 17.4 69 6.0 19.2 158 9 303.7 306.2 295.4 344.5 13.72 5 850 1518 19.8 13.8 68 6.0 15.8 135 9 306.9 309.1 294.8 342.3 11.75 6 800 2038 16.2 12.3 78 3.9 13.6 130 8 308.4 310.5 295.0 342.7 11.31 7 792 2124 16.4 5.4 48 11.0 9.9 130 8 309.5 310.9 292.1 331.4 7.12 8 791 2135 16.4 6.4 52 10.0 10.4 129 8 309.6 311.1 292.6 333.1 7.64 9 786 2189 15.6 11.0 74 4.6 12.6 129 8 309.3 311.3 294.7 341.5 10.55 10 765 2419 14.0 10.4 79 3.6 11.7 127 8 310.0 312.0 294.7 341.8 10.41 11 733 2778 11.2 9.2 87 2.0 9.9 124 7 310.8 312.7 294.7 341.5 10.02 12 700 3163 9.4 6.5 82 2.9 7.6 120 7 312.9 314.6 294.3 339.9 8.71 13 635 3966 5.4 2.1 79 3.3 3.5 123 7 317.2 318.5 294.2 339.5 7.03 14 617 4201 4.6 -2.4 60 7.0 1.0 124 7 318.9 319.9 293.2 335.6 5.20 15 611 4280 4.0 -0.2 74 4.2 1.7 124 7 319.1 320.3 294.0 338.9 6.18 16 567 4886 1.6 -9.4 44 11.0 -3.4 126 7 323.2 323.8 292.9 334.2 3.31 17 555 5058 1.0 -17.0 25 18.0 -5.8 127 7 324.4 324.8 291.9 330.7 1.82 18 541 5263 -0.7 -3.7 80 3.0 -2.3 128 7 324.8 325.8 294.9 342.5 5.39 19 529 5443 -1.5 -9.5 54 8.0 -5.1 128 7 325.9 326.6 293.7 337.7 3.52 20 526 5488 -1.3 -37.3 4 36.0 -9.8 128 7 326.7 326.7 291.1 327.8 0.29 21 523 5534 -1.3 -30.3 9 29.0 -9.3 129 7 327.2 327.3 291.5 329.4 0.59 22 522 5549 -1.7 -9.7 54 8.0 -5.3 129 7 326.9 327.6 294.0 338.7 3.51 23 511 5718 -3.5 -7.6 73 4.1 -5.4 129 7 326.7 327.6 294.5 340.9 4.23 24 500 5890 -4.1 -10.1 63 6.0 -6.8 130 7 328.0 328.7 294.3 340.0 3.55 25 494 5985 -4.5 -15.5 42 11.0 -8.8 132 7 328.7 329.1 293.5 336.7 2.32 26 492 6017 -4.9 -9.8 68 4.9 -7.1 132 7 328.6 329.3 294.6 341.1 3.70 27 490 6050 -4.5 -18.5 33 14.0 -9.5 133 7 329.5 329.8 293.3 335.8 1.81 28 470 6377 -6.7 -10.6 74 3.9 -8.4 138 8 330.7 331.4 295.0 343.1 3.63 29 428 7103 -11.5 -18.5 56 7.0 -13.9 151 10 333.5 333.9 294.5 340.9 2.08 30 421 7230 -12.5 -14.5 85 2.0 -13.3 153 10 333.8 334.4 295.3 344.1 2.95 31 400 7620 -14.5 -18.5 72 4.0 -15.9 160 11 336.1 336.6 295.3 344.0 2.22 32 379 8027 -16.7 -22.7 60 6.0 -18.5 154 10 338.5 338.8 295.4 344.4 1.63 33 300 9740 -29.5 -36.5 51 7.0 -30.6 130 7 343.8 343.9 295.7 346.0 0.56 34 262 10689 -37.5 -49.5 28 12.0 -38.5 111 8 345.6 345.7 295.8 346.3 0.16 35 250 11010 -40.3 -49.3 38 9.0 -40.9 105 9 346.2 346.2 295.9 346.9 0.17 36 244 11175 -41.7 -49.7 42 8.0 -42.2 103 10 346.5 346.5 296.0 347.2 0.17 37 200 12490 -52.3 -61.3 33 9.0 -52.5 85 17 349.9 350.0 296.7 350.2 0.05 38 188 12886 -55.9 -62.9 41 7.0 -56.1 84 17 350.4 350.4 296.8 350.6 0.04 39 185 12988 -56.5 -67.5 24 11.0 -56.7 84 18 351.0 351.0 296.9 351.1 0.02 40 168 13591 -62.1 -66.1 59 4.0 -62.1 82 18 351.5 351.5 297.0 351.7 0.03 41 157 14005 -65.9 -69.4 61 3.5 -66.0 81 19 351.9 351.9 297.1 352.0 0.02 42 150 14280 -68.1 -72.8 51 4.7 -68.1 80 19 352.8 352.8 297.3 352.8 0.01 43 133 14991 -73.1 -76.8 57 3.7 -73.1 86 21 356.2 356.2 298.0 356.3 0.01 44 122 15494 -74.1 -82.1 28 8.0 -74.1 90 22 363.3 363.3 299.4 363.3 0.00 45 100 16630 -80.7 -85.7 43 5.0 -80.7 100 25 371.8 371.8 300.9 371.8 0.00 TRP 100 16630 -80.7 -85.7 43 5.0 -80.7 100 25 371.8 371.8 300.9 371.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5794.00 m Freezing level: 546.76 mb = 5178.98 m = 16991.21 ft Wetbulb zero: 596.16 mb = 4479.68 m = 14696.92 ft Precipitable water: 2.22 inches Sfc-500 mean rel hum: 71.83 % Est. max temperature: 34.18 C = 93.53 F Sfc-Lift cond lev (LCL): 969.76 mb = 366.51 m = 1202.45 ft T: 24.45 C 700-500 lapse rate: 4.95 C/km ThetaE index: 13.22 C Layer 942.0- 800.0 mb Conv cond level (CCL): 860.39 mb = 1412.28 m = 4633.42 ft Mean mixing ratio: 17.73 g/kg Conv temperature: 34.21 C = 93.58 F Cap Strength: 2.11 C Lifted Index: -2.24 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.80 C Lifted Index @700 mb: -2.05 C Showalter Index: 1.74 C Risk: Showers probable Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 17.90 C K Index: 34.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 190.60 Risk: None Energy Index: -0.45 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1018.64 J/kg Max Up Vert Vel: 45.14 m/s Conv Inhibition (B-): 59.16 J/kg Cap Strength: 2.08 C Lift Cond Lev (LCL): 930.72 mb = 727.95 m = 2388.27 ft Lev Free Conv (LFC): 775.72 mb = 2300.50 m = 7547.50 ft Equ Level (EL): 145.72 mb = 14450.89 m = 47410.48 ft B at Equ Level: 1012.04 J/kg Wind level data Storm motion: 161 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 1011 19 95 1 -1.0 0.1 | 351 5 0.8 -5.1 1 1000 96 100 3 -3.0 0.5 | 14 5 -1.2 -4.7 2 925 782 160 9 -3.1 8.5 | 159 4 -1.3 3.3 3 850 1518 135 9 -6.4 6.4 | 104 5 -4.6 1.2 4 700 3163 120 7 -6.1 3.5 | 68 5 -4.3 -1.7 5 500 5890 130 7 -5.4 4.5 | 79 4 -3.6 -0.7 6 400 7620 160 11 -3.8 10.3 | 159 6 -2.0 5.1 7 300 9740 130 7 -5.4 4.5 | 79 4 -3.6 -0.7 8 250 11010 105 9 -8.7 2.3 | 67 7 -6.9 -2.9 9 200 12490 85 17 -16.9 -1.5 | 66 17 -15.1 -6.7 10 150 14280 80 19 -18.7 -3.3 | 63 19 -16.9 -8.5 11 100 16630 100 25 -24.6 4.3 | 88 23 -22.8 -0.9 Wind Parameters Mean winds (0-6000m): 130.9 at 7.3 knts Storm direction: 160.9 at 5.5 knts Shear (0-3000m) pos: 1.5 neg: 0.8 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 80.2 deg Storm rel helicity (0-3000m) pos: 9.5 neg: -6.9 tot: 2.6 m^2/s^2 ave: 0.9 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 0.7 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 801.82 Bulk Shear: 1.27 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 ------------------------------------------------------------------------------- 500 123 4 33 3| 6.2 0.0 6.2| 6.8 0.0 6.8 13.6 0.93| 7.1 6.6 1000 148 6 96 2| 4.4 0.0 4.4| 9.5 -1.0 8.5 8.5 0.76| 6.0 4.6 1500 146 7 110 2| 2.9 0.9 3.8| 9.5 -3.7 5.8 3.9 0.45| 4.9 2.2 2000 142 8 106 3| 2.2 0.8 3.0| 9.5 -4.8 4.7 2.3 0.37| 3.9 1.4 2500 139 8 101 3| 1.7 0.8 2.6| 9.5 -5.9 3.6 1.4 0.29| 3.3 1.0 3000 137 8 96 3| 1.5 0.8 2.2| 9.5 -6.9 2.6 0.9 0.23| 2.9 0.7 4000 133 7 89 4| 1.1 0.6 1.7| 9.7 -7.1 2.6 0.6 0.22| 2.3 0.5 5000 132 7 86 4| 0.9 0.5 1.4| 10.0 -7.1 2.9 0.6 0.23| 1.9 0.4 6000 131 7 84 4| 0.8 0.4 1.2| 10.7 -7.1 3.5 0.6 0.25| 1.6 0.4 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250423.00.gif