UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101100.upa.cvt Date: 0000Z 11 OCT 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:0000Z 11 OCT 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 85 SFC 989 181 24.4 23.7 96 0.7 23.9 0 0 298.5 301.9 297.4 353.8 18.98 2 925 769 22.2 20.8 92 1.4 21.2 60 11 302.0 305.1 297.1 352.1 16.95 3 850 1501 17.6 16.3 92 1.3 16.7 70 16 304.6 307.2 295.7 345.9 13.85 4 700 3143 10.0 5.8 75 4.2 7.5 95 14 313.6 315.1 294.1 339.4 8.29 5 643 3846 6.8 2.2 72 4.6 4.2 114 16 317.6 319.0 294.3 339.8 7.00 6 595 4478 2.2 0.3 87 1.9 1.1 111 16 319.4 320.7 294.4 340.5 6.59 7 530 5407 -1.7 -3.2 89 1.5 -2.5 97 16 325.5 326.6 295.3 344.3 5.71 8 509 5729 -2.9 -7.9 68 5.0 -5.3 104 18 327.8 328.7 294.7 341.8 4.15 9 500 5870 -3.9 -8.1 73 4.2 -5.9 110 19 328.3 329.1 294.8 342.3 4.16 10 455 6609 -7.3 -11.3 73 4.0 -9.1 110 18 333.0 333.7 295.6 345.2 3.55 11 400 7600 -14.3 -17.0 80 2.7 -15.3 110 16 336.4 336.9 295.6 345.3 2.52 12 320 9256 -25.9 -29.4 72 3.5 -26.6 115 16 342.5 342.7 295.8 346.4 1.05 13 305 9602 -28.7 -30.8 82 2.1 -29.1 115 16 343.3 343.5 296.0 346.9 0.96 14 300 9720 -29.7 -32.3 78 2.6 -30.2 115 16 343.5 343.7 295.9 346.8 0.85 15 265 10590 -36.9 -42.9 54 6.0 -37.5 120 20 345.4 345.5 295.9 346.7 0.33 16 256 10828 -39.1 -42.5 70 3.4 -39.4 120 21 345.6 345.7 296.0 347.0 0.35 17 253 10909 -39.5 -45.5 53 6.0 -40.0 120 22 346.2 346.2 296.0 347.2 0.26 18 251 10963 -40.1 -42.5 78 2.4 -40.4 120 23 346.1 346.1 296.1 347.5 0.36 19 250 10990 -40.3 -43.0 75 2.7 -40.6 120 23 346.2 346.2 296.1 347.5 0.34 20 242 11210 -42.3 -44.5 79 2.2 -42.5 119 22 346.4 346.4 296.1 347.6 0.30 21 237 11351 -43.5 -46.3 74 2.8 -43.7 119 22 346.6 346.7 296.1 347.7 0.25 22 211 12122 -49.1 -66.1 12 17.0 -49.6 115 19 349.6 349.6 296.5 349.7 0.02 23 200 12470 -52.5 -61.5 33 9.0 -52.8 105 23 349.6 349.6 296.6 349.8 0.05 24 181 13109 -57.9 -64.9 40 7.0 -58.0 95 22 351.0 351.0 296.8 351.1 0.03 25 168 13576 -62.1 -68.1 44 6.0 -62.2 87 22 351.5 351.5 297.0 351.6 0.02 26 150 14270 -67.1 -80.1 14 13.0 -67.2 100 24 354.5 354.5 297.6 354.5 0.00 27 122 15483 -76.9 -81.9 45 5.0 -76.9 105 36 358.2 358.2 298.4 358.2 0.00 28 121 15530 -77.1 -82.1 45 5.0 -77.1 105 37 358.7 358.7 298.4 358.7 0.00 29 119 15626 -77.3 -82.3 44 5.0 -77.3 105 40 360.0 360.0 298.7 360.0 0.00 30 100 16620 -77.7 -84.7 31 7.0 -77.7 90 23 377.6 377.6 301.9 377.6 0.00 31 90 17224 -75.5 -85.5 19 10.0 -75.5 83 22 393.5 393.5 304.3 393.5 0.00 32 77 18116 -78.7 -86.7 26 8.0 -78.7 72 21 404.8 404.8 305.9 404.8 0.00 33 70 18660 -76.1 -87.1 16 11.0 -76.2 105 24 421.6 421.6 307.9 421.6 0.00 34 62 19360 -76.3 -90.3 9 14.0 -76.3 89 31 436.0 436.0 309.5 436.0 0.00 35 61 19455 -71.7 -89.7 5 18.0 -71.8 87 32 448.3 448.3 310.7 448.3 0.00 36 57 19860 -66.5 -90.5 2 24.0 -66.7 82 34 468.9 468.9 312.5 468.9 0.00 37 54 20186 -68.1 -90.1 3 22.0 -68.3 89 30 472.5 472.5 312.8 472.5 0.00 38 50 20650 -66.5 -89.5 3 23.0 -66.8 100 23 486.8 486.8 314.0 486.8 0.00 39 43 21568 -64.1 -89.1 2 25.0 -64.5 72 29 514.1 514.1 315.9 514.2 0.00 40 39 22163 -66.1 -90.1 2 24.0 -66.4 76 31 523.6 523.6 316.5 523.7 0.00 41 33 23192 -59.5 -87.5 1 28.0 -60.4 87 34 566.8 566.8 319.0 566.8 0.01 42 30 23790 -58.3 -87.3 1 29.0 -59.4 100 36 585.7 585.7 319.9 585.7 0.01 43 23 25468 -56.9 -85.9 1 29.0 -58.5 98 45 636.1 636.1 322.2 636.1 0.01 TRP 119 15626 -77.3 -82.3 44 5.0 -77.3 105 40 360.0 360.0 298.7 360.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5785.00 m Freezing level: 558.33 mb = 5002.30 m = 16411.54 ft Wetbulb zero: 574.73 mb = 4756.67 m = 15605.69 ft Precipitable water: 2.29 inches Sfc-500 mean rel hum: 84.17 % Est. max temperature: 31.07 C = 87.93 F Sfc-Lift cond lev (LCL): 979.40 mb = 266.69 m = 874.97 ft T: 24.08 C 700-500 lapse rate: 5.10 C/km ThetaE index: 14.42 C Layer 925.0- 643.0 mb Conv cond level (CCL): 899.80 mb = 1008.07 m = 3307.27 ft Mean mixing ratio: 17.30 g/kg Conv temperature: 28.75 C = 83.76 F Cap Strength: 0.93 C Lifted Index: -1.69 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.47 C Lifted Index @700 mb: -1.15 C Showalter Index: 0.56 C Risk: Thunderstorms probable Total Totals Index: 41.70 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 20.20 C K Index: 33.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 246.60 Risk: None Energy Index: -0.78 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 801.58 J/kg Max Up Vert Vel: 40.04 m/s Conv Inhibition (B-): 7.01 J/kg Cap Strength: 0.93 C Lift Cond Lev (LCL): 922.81 mb = 789.56 m = 2590.38 ft Lev Free Conv (LFC): 877.81 mb = 1222.34 m = 4010.26 ft Equ Level (EL): 157.81 mb = 13959.26 m = 45797.55 ft B at Equ Level: 788.40 J/kg Max Parcel Lev (MPL): 97.81 mb = 16747.07 m = 54943.80 ft Wind level data Storm motion: 122 at 11 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 ---------------------------------------------------------- 0 989 181 0 0 -0.0 -0.0 | 302 11 9.4 -6.0 1 942 610 55 9 -7.4 -5.2 | 350 11 2.0 -11.1 2 925 769 60 11 -9.5 -5.5 | 1 11 -0.1 -11.5 3 910 914 65 13 -11.8 -5.5 | 12 12 -2.4 -11.4 4 850 1501 70 16 -15.0 -5.5 | 26 13 -5.6 -11.4 5 848 1524 70 16 -15.0 -5.5 | 26 13 -5.6 -11.4 6 789 2134 70 16 -15.0 -5.5 | 26 13 -5.6 -11.4 7 708 3048 85 13 -13.0 -1.1 | 27 8 -3.6 -7.1 8 700 3143 95 14 -13.9 1.2 | 44 7 -4.6 -4.7 9 657 3658 115 16 -14.5 6.8 | 99 5 -5.1 0.8 10 587 4572 110 16 -15.0 5.5 | 85 6 -5.6 -0.5 11 565 4877 110 17 -16.0 5.8 | 89 7 -6.6 -0.1 12 524 5486 95 16 -15.9 1.4 | 55 8 -6.5 -4.6 13 500 5870 110 19 -17.9 6.5 | 94 8 -8.5 0.5 14 486 6096 110 19 -17.9 6.5 | 94 8 -8.5 0.5 15 400 7600 110 16 -15.0 5.5 | 85 6 -5.6 -0.5 16 399 7620 115 17 -15.4 7.2 | 102 6 -6.0 1.2 17 324 9144 115 16 -14.5 6.8 | 99 5 -5.1 0.8 18 300 9720 115 16 -14.5 6.8 | 99 5 -5.1 0.8 19 262 10668 120 20 -17.3 10.0 | 117 9 -7.9 4.0 20 250 10990 120 23 -19.9 11.5 | 118 12 -10.5 5.5 21 209 12192 115 19 -17.2 8.0 | 105 8 -7.8 2.1 22 200 12470 105 23 -22.2 6.0 | 90 13 -12.8 0.0 23 164 13716 85 22 -21.9 -1.9 | 58 15 -12.5 -7.9 24 150 14270 100 24 -23.6 4.2 | 83 14 -14.2 -1.8 25 127 15240 105 30 -29.0 7.8 | 95 20 -19.6 1.8 26 119 15626 105 40 -38.6 10.4 | 99 30 -29.2 4.4 27 103 16459 135 23 -16.3 16.3 | 146 12 -6.9 10.3 28 100 16620 90 23 -23.0 0.0 | 66 15 -13.6 -6.0 29 75 18288 70 21 -19.7 -7.2 | 38 17 -10.3 -13.1 30 70 18660 105 24 -23.2 6.2 | 91 14 -13.8 0.3 31 58 19812 80 35 -34.5 -6.1 | 64 28 -25.1 -12.0 32 50 20650 100 23 -22.7 4.0 | 82 13 -13.3 -2.0 33 45 21336 70 28 -26.3 -9.6 | 47 23 -16.9 -15.5 34 35 22860 80 33 -32.5 -5.7 | 63 26 -23.1 -11.7 35 30 23790 100 36 -35.5 6.3 | 91 26 -26.1 0.3 36 26 24384 100 38 -37.4 6.6 | 91 28 -28.0 0.6 37 19 25603 95 55 -54.8 4.8 | 89 45 -45.4 -1.2 Wind Parameters Mean winds (0-6000m): 92.4 at 14.8 knts Storm direction: 122.4 at 11.1 knts Shear (0-3000m) pos: 2.4 neg: 0.0 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 104.6 deg Storm rel helicity (0-3000m) pos: 59.9 neg: -0.2 tot: 59.6 m^2/s^2 ave: 19.9 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 3.4 10^-3/s Energy-Hel index: 0.27 Bulk Rich Number: 48.97 Bulk Shear: 16.37 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 55 5 330 10| 10.2 0.0 10.2| 33.9 0.0 33.9 67.7 0.97| 11.5 11.1 1000 62 9 351 10| 7.4 0.0 7.4| 48.8 0.0 48.8 48.8 0.98| 8.3 8.1 1500 65 11 4 11| 5.5 0.0 5.5| 54.3 0.0 54.3 36.2 0.97| 6.1 6.0 2000 67 12 10 11| 4.1 0.0 4.1| 54.5 0.0 54.5 27.2 0.96| 4.7 4.5 2500 69 13 14 11| 2.9 0.0 2.9| 55.2 0.0 55.2 22.1 0.85| 4.3 3.6 3000 71 13 16 11| 2.4 0.0 2.4| 59.9 -0.2 59.6 19.9 0.79| 4.4 3.4 4000 82 14 28 9| 2.1 0.1 2.2| 67.1 -1.3 65.9 16.5 0.77| 4.0 3.1 5000 89 14 38 8| 1.6 0.4 2.0| 67.7 -5.9 61.8 12.4 0.62| 3.6 2.3 6000 92 15 45 8| 1.6 0.3 1.9| 79.2 -10.0 69.2 11.5 0.59| 3.7 2.2 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20251011.00.gif