UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042212.upa.cvt Date: 1200Z 22 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 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 1010 19 28.4 24.3 79 4.1 25.4 140 3 300.7 304.2 298.2 357.4 19.27 1 1000 87 27.8 24.0 80 3.8 25.0 145 7 301.0 304.5 298.1 357.3 19.11 2 957 477 24.2 22.9 92 1.3 23.3 142 9 301.1 304.5 297.9 356.1 18.68 3 931 719 24.0 19.6 76 4.4 20.9 140 11 303.3 306.2 296.5 349.6 15.60 4 925 776 24.2 18.2 69 6.0 20.0 140 11 304.1 306.7 295.9 346.8 14.36 5 917 852 24.2 18.2 69 6.0 20.0 132 11 304.8 307.5 296.2 348.1 14.49 6 874 1273 23.0 14.0 57 9.0 17.0 86 11 307.8 309.9 295.0 342.8 11.57 7 850 1515 21.0 15.0 69 6.0 16.9 60 11 308.1 310.5 295.9 346.6 12.72 8 769 2374 14.8 10.8 77 4.0 12.2 88 8 310.4 312.4 295.0 343.0 10.64 9 700 3166 11.0 3.0 58 8.0 6.4 115 5 314.7 316.0 293.3 336.0 6.80 10 699 3178 11.2 3.2 58 8.0 6.6 115 5 315.0 316.3 293.5 336.7 6.91 11 686 3334 10.0 5.5 74 4.5 7.3 111 5 315.4 317.0 294.6 341.3 8.29 12 666 3579 8.6 2.6 66 6.0 5.2 105 5 316.5 317.8 293.9 338.4 6.95 13 660 3654 9.0 -9.0 27 18.0 0.8 103 5 317.8 318.3 291.0 327.4 2.93 14 654 3730 8.4 -11.6 23 20.0 -0.3 101 5 317.9 318.4 290.5 325.9 2.40 15 641 3896 8.2 -20.8 11 29.0 -2.2 97 6 319.5 319.7 289.8 323.4 1.14 16 629 4052 7.6 -21.4 11 29.0 -2.7 93 6 320.6 320.8 290.1 324.4 1.10 17 539 5304 -0.9 -16.9 29 16.0 -6.9 61 7 324.9 325.3 292.1 331.4 1.89 18 533 5393 -1.7 -11.7 46 10.0 -6.0 58 7 325.0 325.6 293.0 334.8 2.93 19 524 5529 -2.7 -17.7 30 15.0 -8.2 55 7 325.4 325.7 292.2 331.6 1.82 20 502 5868 -3.7 -22.7 21 19.0 -9.9 46 7 328.2 328.4 292.4 332.5 1.23 21 500 5900 -4.1 -22.1 23 18.0 -10.0 45 7 328.0 328.3 292.4 332.6 1.30 22 480 6221 -5.9 -11.9 63 6.0 -8.5 55 7 329.7 330.3 294.4 340.6 3.20 23 478 6254 -5.7 -18.7 35 13.0 -10.4 56 7 330.3 330.7 293.5 336.7 1.83 24 476 6287 -5.9 -12.9 58 7.0 -8.8 57 7 330.5 331.1 294.5 340.7 2.98 25 470 6386 -6.5 -23.5 25 17.0 -11.8 60 8 330.9 331.2 293.2 335.3 1.22 26 467 6436 -6.9 -12.9 62 6.0 -9.4 62 8 331.0 331.6 294.7 341.5 3.04 27 464 6487 -7.3 -13.3 62 6.0 -9.8 63 8 331.1 331.7 294.6 341.3 2.96 28 449 6742 -9.1 -12.5 76 3.4 -10.5 72 8 332.0 332.7 295.1 343.2 3.26 29 444 6829 -8.9 -17.9 48 9.0 -12.2 74 8 333.3 333.7 294.5 340.7 2.11 30 423 7203 -11.3 -15.2 73 3.9 -12.8 86 8 334.9 335.5 295.4 344.6 2.78 31 400 7630 -14.5 -19.5 66 5.0 -16.2 100 9 336.1 336.6 295.1 343.4 2.04 32 384 7938 -16.1 -23.1 55 7.0 -18.2 101 9 338.0 338.3 295.2 343.6 1.55 33 376 8096 -17.1 -20.5 75 3.4 -18.2 101 9 338.7 339.1 295.7 345.9 1.99 34 368 8257 -17.7 -23.7 59 6.0 -19.4 101 9 340.0 340.3 295.7 345.6 1.53 35 352 8588 -20.3 -29.3 44 9.0 -22.4 102 9 340.8 341.0 295.4 344.4 0.96 36 339 8865 -22.9 -28.9 58 6.0 -24.3 103 9 341.0 341.2 295.5 344.9 1.04 37 332 9018 -23.9 -37.9 26 14.0 -26.2 103 9 341.7 341.7 295.1 343.4 0.44 38 328 9106 -24.3 -36.3 32 12.0 -26.4 103 9 342.3 342.4 295.4 344.3 0.52 39 327 9128 -24.5 -29.5 63 5.0 -25.6 104 9 342.3 342.5 295.8 346.1 1.02 40 325 9173 -24.9 -27.4 80 2.5 -25.5 104 9 342.4 342.6 296.0 347.0 1.24 41 311 9492 -27.1 -30.0 76 2.9 -27.7 104 9 343.6 343.8 296.1 347.5 1.02 42 309 9538 -27.3 -38.3 34 11.0 -29.0 104 9 344.0 344.1 295.7 345.8 0.45 43 305 9632 -28.3 -34.3 56 6.0 -29.3 105 9 343.9 344.0 295.8 346.5 0.69 44 303 9679 -28.7 -37.7 42 9.0 -30.1 105 9 344.0 344.1 295.7 345.9 0.49 45 301 9726 -29.1 -35.1 56 6.0 -30.1 105 9 344.0 344.2 295.8 346.5 0.64 46 300 9750 -29.1 -31.4 80 2.3 -29.6 105 9 344.4 344.6 296.1 347.9 0.92 47 288 10039 -31.3 -33.3 82 2.0 -31.7 116 11 345.3 345.4 296.3 348.4 0.80 48 250 11020 -39.5 -41.7 79 2.2 -39.7 155 19 347.3 347.4 296.4 348.9 0.39 49 219 11909 -47.5 -51.9 60 4.4 -47.7 134 15 348.4 348.4 296.4 349.0 0.14 50 209 12215 -50.3 -52.7 76 2.4 -50.4 127 14 348.7 348.7 296.5 349.3 0.14 51 201 12468 -52.5 -55.6 69 3.1 -52.6 121 13 349.1 349.2 296.5 349.6 0.10 52 200 12500 -52.7 -56.8 61 4.1 -52.8 120 13 349.3 349.3 296.5 349.7 0.09 53 196 12631 -53.7 -60.7 42 7.0 -53.9 118 13 349.7 349.8 296.6 350.0 0.05 54 183 13069 -57.1 -62.0 54 4.9 -57.2 111 15 351.2 351.2 296.9 351.4 0.05 55 180 13174 -58.1 -66.1 35 8.0 -58.2 109 15 351.2 351.2 296.9 351.3 0.03 56 150 14300 -67.5 -73.5 42 6.0 -67.5 90 19 353.8 353.8 297.4 353.9 0.01 57 139 14754 -71.5 -77.5 40 6.0 -71.5 84 22 354.6 354.6 297.6 354.6 0.01 58 127 15283 -74.9 -78.8 54 3.9 -74.9 77 25 357.7 357.7 298.2 357.7 0.01 59 115 15854 -78.7 -83.7 44 5.0 -78.7 70 29 361.0 361.0 298.9 361.0 0.00 60 100 16650 -78.9 -85.9 31 7.0 -78.9 90 44 375.3 375.3 301.5 375.3 0.00 TRP 115 15854 -78.7 -83.7 44 5.0 -78.7 70 29 361.0 361.0 298.9 361.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5813.00 m Freezing level: 548.53 mb = 5171.56 m = 16966.87 ft Wetbulb zero: 655.55 mb = 3710.27 m = 12172.64 ft Precipitable water: 1.98 inches Sfc-500 mean rel hum: 51.52 % Est. max temperature: 35.72 C = 96.30 F Sfc-Lift cond lev (LCL): 952.21 mb = 520.72 m = 1708.38 ft T: 24.16 C 700-500 lapse rate: 5.52 C/km ThetaE index: 10.63 C Layer 1000.0- 917.0 mb Conv cond level (CCL): 830.86 mb = 1710.36 m = 5611.35 ft Mean mixing ratio: 17.50 g/kg Conv temperature: 36.40 C = 97.52 F Cap Strength: 3.38 C Lifted Index: -2.48 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.75 C Lifted Index @700 mb: -0.62 C Showalter Index: 0.10 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 19.10 C K Index: 32.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 209.00 Risk: None Energy Index: -2.64 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 938.50 J/kg Max Up Vert Vel: 43.32 m/s Conv Inhibition (B-): 106.37 J/kg Cap Strength: 3.33 C Lift Cond Lev (LCL): 913.00 mb = 890.49 m = 2921.52 ft Lev Free Conv (LFC): 768.00 mb = 2384.90 m = 7824.38 ft Equ Level (EL): 148.00 mb = 14380.16 m = 47178.42 ft B at Equ Level: 936.85 J/kg Wind level data Storm motion: 118 at 6 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 1010 19 140 3 -1.9 2.3 | 276 3 3.0 -0.3 1 1000 87 145 7 -4.0 5.7 | 197 3 0.9 3.1 2 925 776 140 11 -7.1 8.4 | 160 6 -2.1 5.8 3 850 1515 60 11 -9.5 -5.5 | 29 9 -4.6 -8.1 4 700 3166 115 5 -4.5 2.1 | 320 1 0.4 -0.5 5 500 5900 45 7 -4.9 -4.9 | 0 8 -0.0 -7.6 6 400 7630 100 9 -8.9 1.6 | 75 4 -3.9 -1.1 7 300 9750 105 9 -8.7 2.3 | 86 4 -3.7 -0.3 8 250 11020 155 19 -8.0 17.2 | 168 15 -3.1 14.6 9 200 12500 120 13 -11.3 6.5 | 122 7 -6.3 3.9 10 150 14300 90 19 -19.0 0.0 | 79 14 -14.1 -2.6 11 115 15854 70 29 -27.3 -9.9 | 61 26 -22.3 -12.5 12 100 16650 90 44 -44.0 0.0 | 86 39 -39.1 -2.6 Wind Parameters Mean winds (0-6000m): 87.9 at 7.5 knts Storm direction: 117.9 at 5.6 knts Shear (0-3000m) pos: 2.2 neg: 2.3 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 103.1 deg Storm rel helicity (0-3000m) pos: 3.8 neg: -30.4 tot: -26.6 m^2/s^2 ave: -8.9 10^-3 m/s^2 rel: -0.62 Storm rel vorticity (0-3000m) horiz: 5.6 stream: -3.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 142.82 Bulk Shear: 6.57 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 ------------------------------------------------------------------------------- 500 143 8 186 4| 6.7 0.0 6.7| 0.0 -4.5 -4.5 -9.0 -0.91| 7.2 -6.5 1000 138 9 164 4| 3.3 2.7 6.0| 0.0 -13.1 -13.1 -13.1 -0.91| 6.9 -6.3 1500 121 10 126 4| 2.2 4.6 6.8| 0.0 -30.2 -30.2 -20.2 -0.91| 8.1 -7.4 2000 107 10 93 4| 2.4 3.5 5.8| 3.0 -30.2 -27.2 -13.6 -0.75| 7.0 -5.2 2500 101 10 81 4| 2.3 2.8 5.1| 3.8 -30.2 -26.4 -10.6 -0.65| 6.2 -4.0 3000 99 9 74 4| 2.2 2.3 4.5| 3.8 -30.4 -26.6 -8.9 -0.62| 5.6 -3.5 4000 99 8 67 3| 1.6 1.9 3.6| 4.1 -30.5 -26.4 -6.6 -0.56| 4.5 -2.6 5000 96 8 55 3| 1.3 1.8 3.1| 4.1 -31.0 -26.9 -5.4 -0.53| 3.9 -2.1 6000 88 7 41 4| 1.1 1.7 2.8| 4.8 -32.9 -28.1 -4.7 -0.51| 3.5 -1.8 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250422.12.gif