UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:0000Z 1 DEC 25 Station: VTUN WMO ident: 48431 Latitude: 14.97 Longitude: 102.83 Elevation: 181.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 111 280 1 SFC 991 181 18.0 14.3 79 3.7 15.7 280 1 291.9 293.8 289.2 321.4 10.39 2 981 269 21.2 13.2 60 8.0 16.1 301 2 296.0 297.7 290.0 324.2 9.76 3 957 487 23.4 12.4 50 11.0 16.4 352 4 300.3 302.0 291.2 328.2 9.49 4 943 617 22.8 10.8 47 12.0 15.3 21 5 301.0 302.5 290.7 326.5 8.65 5 925 787 22.0 10.0 46 12.0 14.6 50 6 301.8 303.3 290.7 326.6 8.36 6 850 1516 16.4 13.0 80 3.4 14.2 110 8 303.3 305.4 293.4 336.4 11.14 7 844 1576 16.0 14.3 90 1.7 14.9 108 8 303.5 305.8 294.3 339.9 12.23 8 822 1801 15.4 11.2 76 4.2 12.7 123 8 305.2 307.1 293.3 335.8 10.22 9 797 2063 16.0 -2.0 29 18.0 6.8 140 8 308.5 309.3 289.2 321.5 4.14 10 761 2456 15.4 -13.6 12 29.0 3.3 129 7 312.0 312.3 288.0 317.8 1.76 11 755 2523 14.6 4.6 51 10.0 8.8 126 6 311.8 313.2 292.7 333.7 7.06 12 743 2658 13.6 7.6 67 6.0 9.9 119 6 312.2 313.9 294.2 339.5 8.85 13 716 2969 12.2 4.2 58 8.0 7.5 104 4 314.0 315.3 293.4 336.6 7.24 14 709 3052 13.0 -7.0 24 20.0 3.4 101 4 315.7 316.3 290.6 326.1 3.19 15 704 3111 12.4 3.4 54 9.0 7.2 111 3 315.7 317.0 293.7 337.6 6.96 16 700 3159 12.0 3.0 54 9.0 6.8 120 2 315.8 317.1 293.6 337.2 6.80 17 660 3647 7.8 -0.2 57 8.0 3.5 197 2 316.4 317.5 292.9 334.6 5.72 18 630 4030 6.6 -10.4 28 17.0 -0.9 176 4 319.3 319.8 291.2 328.4 2.75 19 605 4360 4.0 -6.0 48 10.0 -0.9 155 7 320.0 320.8 292.6 333.2 4.04 20 587 4607 6.8 -37.2 3 44.0 -4.8 138 8 326.0 326.1 290.9 327.0 0.27 21 500 5900 -3.1 -28.1 12 25.0 -10.3 55 13 329.3 329.4 292.3 332.0 0.76 22 430 7071 -13.1 -39.1 9 26.0 -18.0 73 14 331.0 331.1 292.3 332.2 0.30 23 400 7620 -15.5 -49.5 4 34.0 -20.3 80 15 334.8 334.9 293.1 335.3 0.10 24 375 8106 -17.5 -52.5 3 35.0 -22.0 80 16 338.4 338.4 294.0 338.8 0.08 25 300 9740 -29.7 -52.7 9 23.0 -31.8 105 19 343.5 343.5 295.3 343.9 0.10 26 250 11000 -40.5 -58.5 13 18.0 -41.4 80 24 345.9 345.9 295.8 346.1 0.06 27 232 11504 -45.1 -60.1 17 15.0 -45.7 70 22 346.3 346.3 295.8 346.6 0.05 28 200 12480 -52.3 -69.3 11 17.0 -52.7 65 16 349.9 350.0 296.6 350.0 0.02 29 197 12578 -52.9 -70.9 10 18.0 -53.2 63 15 350.5 350.5 296.8 350.6 0.01 30 173 13402 -60.5 -67.5 39 7.0 -60.6 43 9 351.2 351.2 296.9 351.3 0.03 31 168 13584 -61.1 -76.1 12 15.0 -61.2 39 7 353.2 353.2 297.3 353.2 0.01 32 158 13963 -64.1 -74.1 24 10.0 -64.2 88 5 354.4 354.4 297.5 354.4 0.01 33 155 14080 -64.7 -77.7 15 13.0 -64.8 115 4 355.3 355.3 297.8 355.3 0.01 34 153 14159 -64.7 -81.7 8 17.0 -64.8 133 4 356.6 356.6 298.0 356.6 0.00 35 150 14280 -65.7 -80.7 11 15.0 -65.8 160 3 356.9 356.9 298.1 356.9 0.00 36 100 16640 -82.3 -89.3 29 7.0 -82.3 150 10 368.7 368.7 300.4 368.7 0.00 37 86 17471 -87.3 -94.3 26 7.0 -87.3 85 10 374.9 374.9 301.4 374.9 0.00 38 80 17867 -85.1 -92.1 28 7.0 -85.1 95 11 387.2 387.2 303.4 387.3 0.00 39 74 18294 -87.1 -94.1 26 7.0 -87.1 105 13 391.8 391.8 304.0 391.8 0.00 40 70 18600 -82.9 -91.9 20 9.0 -82.9 100 21 407.0 407.0 306.1 407.0 0.00 41 65 19020 -76.9 -88.9 13 12.0 -76.9 98 18 428.9 428.9 308.7 428.9 0.00 42 52 20325 -70.5 -90.5 4 20.0 -70.6 98 17 472.0 472.0 312.8 472.0 0.00 43 50 20560 -67.9 -90.9 2 23.0 -68.1 100 19 483.5 483.5 313.7 483.5 0.00 44 49 20682 -67.1 -91.1 2 24.0 -67.4 99 18 488.2 488.2 314.1 488.2 0.00 45 36 22556 -64.1 -91.1 1 27.0 -64.6 91 27 540.9 540.9 317.6 541.0 0.00 46 36 22556 -64.1 -91.1 1 27.0 -64.6 91 27 540.9 540.9 317.6 541.0 0.00 47 30 23690 -57.3 -88.3 1 31.0 -58.5 90 28 588.4 588.4 320.0 588.5 0.01 48 29 23904 -57.1 -88.1 1 31.0 -58.4 89 28 594.7 594.7 320.3 594.7 0.01 49 27 24356 -57.5 -87.5 1 30.0 -58.8 87 27 605.9 605.9 320.9 605.9 0.01 TRP 86 17471 -87.3 -94.3 26 7.0 -87.3 85 10 374.9 374.9 301.4 374.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 527.24 mb = 5495.07 m = 18028.22 ft Wetbulb zero: 636.27 mb = 3948.32 m = 12953.66 ft Precipitable water: 1.18 inches Sfc-500 mean rel hum: 40.45 % Est. max temperature: 29.81 C = 85.66 F Sfc-Lift cond lev (LCL): 938.07 mb = 663.52 m = 2176.87 ft T: 22.58 C 700-500 lapse rate: 5.51 C/km ThetaE index: 22.12 C Layer 822.0- 755.0 mb Conv cond level (CCL): 618.18 mb = 4184.22 m = 13727.59 ft Mean mixing ratio: 9.14 g/kg Conv temperature: 45.64 C = 114.14 F Cap Strength: 11.58 C Lifted Index: 9.60 C Risk: None Lifted Index @300 mb: 12.53 C Lifted Index @700 mb: 8.82 C Showalter Index: 5.20 C Risk: None Total Totals Index: 35.60 C Risk: None Vertical Totals Index: 19.50 C Cross Totals Index: 16.10 C K Index: 23.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 185.00 Risk: None Energy Index: -0.68 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.14 J/kg Max Up Vert Vel: 8.02 m/s Conv Inhibition (B-): 27128.68 J/kg Cap Strength: 11.39 C Lift Cond Lev (LCL): 809.66 mb = 1929.17 m = 6329.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 129 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 ---------------------------------------------------------- 0 991 181 280 1 1.0 -0.2 | 304 6 5.0 -3.4 1 944 610 20 5 -1.7 -4.7 | 344 8 2.3 -7.9 2 925 787 50 6 -4.6 -3.9 | 5 7 -0.6 -7.1 3 911 914 60 7 -6.1 -3.5 | 17 7 -2.1 -6.7 4 850 1516 110 8 -7.5 2.7 | 83 4 -3.5 -0.5 5 849 1524 105 8 -7.7 2.1 | 73 4 -3.7 -1.1 6 790 2134 145 8 -4.6 6.6 | 170 3 -0.6 3.4 7 709 3048 100 4 -3.9 0.7 | 359 3 0.0 -2.5 8 700 3159 120 2 -1.7 1.0 | 314 3 2.3 -2.2 9 658 3658 200 2 0.7 1.9 | 286 5 4.7 -1.3 10 589 4572 140 8 -5.1 6.1 | 158 3 -1.2 2.9 11 567 4877 110 10 -9.4 3.4 | 92 5 -5.4 0.2 12 526 5486 60 9 -7.8 -4.5 | 26 9 -3.8 -7.7 13 500 5900 55 13 -10.6 -7.5 | 32 13 -6.7 -10.7 14 487 6096 60 13 -11.3 -6.5 | 37 12 -7.3 -9.7 15 400 7620 80 15 -14.8 -2.6 | 62 12 -10.8 -5.8 16 400 7620 85 15 -14.9 -1.3 | 68 12 -11.0 -4.5 17 325 9144 70 17 -16.0 -5.8 | 53 15 -12.0 -9.0 18 300 9740 105 19 -18.4 4.9 | 97 14 -14.4 1.7 19 262 10668 85 24 -23.9 -2.1 | 75 21 -19.9 -5.3 20 250 11000 80 24 -23.6 -4.2 | 69 21 -19.7 -7.4 21 209 12192 55 18 -14.7 -10.3 | 39 17 -10.8 -13.5 22 200 12480 65 16 -14.5 -6.8 | 47 14 -10.5 -10.0 23 164 13716 35 6 -3.4 -4.9 | 356 8 0.5 -8.1 24 150 14280 160 3 -1.0 2.8 | 277 3 3.0 -0.4 25 127 15240 45 8 -5.7 -5.7 | 11 9 -1.7 -8.9 26 103 16459 115 5 -4.5 2.1 | 27 1 -0.5 -1.1 27 100 16640 150 10 -5.0 8.7 | 169 6 -1.0 5.5 28 86 17471 85 10 -10.0 -0.9 | 56 7 -6.0 -4.1 29 74 18288 105 13 -12.6 3.4 | 91 9 -8.6 0.2 30 70 18600 100 21 -20.7 3.6 | 92 17 -16.7 0.5 31 57 19812 95 12 -12.0 1.0 | 75 8 -8.0 -2.1 32 50 20560 100 19 -18.7 3.3 | 90 15 -14.7 0.1 33 44 21336 95 12 -12.0 1.0 | 75 8 -8.0 -2.1 34 34 22860 90 31 -31.0 0.0 | 83 27 -27.0 -3.2 35 30 23690 90 28 -28.0 0.0 | 82 24 -24.0 -3.2 36 25 24384 85 27 -26.9 -2.4 | 76 24 -22.9 -5.5 37 23 24689 85 24 -23.9 -2.1 | 75 21 -19.9 -5.3 Wind Parameters Mean winds (0-6000m): 98.7 at 6.8 knts Storm direction: 128.7 at 5.1 knts Shear (0-3000m) pos: 0.9 neg: 0.6 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 7.9 deg Storm rel helicity (0-3000m) pos: 31.3 neg: -3.3 tot: 28.0 m^2/s^2 ave: 9.3 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 2.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 4.50 Bulk Shear: 7.14 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 13 3 333 7| 6.0 0.0 6.0| 13.9 0.0 13.9 27.8 0.85| 8.0 6.8 1000 48 5 358 7| 4.3 0.0 4.3| 23.8 0.0 23.8 23.8 0.87| 7.2 6.3 1500 73 6 19 5| 3.1 0.0 3.1| 28.2 0.0 28.2 18.8 0.87| 6.3 5.5 2000 93 6 41 4| 2.2 0.0 2.2| 31.3 0.0 31.3 15.6 0.89| 5.8 5.1 2500 103 7 54 3| 1.8 0.7 2.5| 31.3 -1.2 30.1 12.0 0.66| 5.4 3.5 3000 105 6 51 3| 0.9 0.6 1.5| 31.3 -3.3 28.0 9.3 0.44| 5.2 2.3 4000 114 5 40 1| 0.7 0.3 1.0| 31.3 -8.9 22.4 5.6 0.22| 4.8 1.0 5000 116 6 65 1| 0.6 1.3 1.8| 31.3 -23.1 8.2 1.6 -0.09| 5.2 -0.5 6000 99 7 52 3| 0.5 1.3 1.8| 38.1 -30.3 7.8 1.3 -0.10| 5.1 -0.5 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20251201.00.gif