UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:0000Z 8 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 128 20 1 SFC 993 181 19.4 15.9 80 3.5 17.1 20 1 293.1 295.2 290.5 325.9 11.51 2 925 799 17.8 11.8 68 6.0 14.1 75 20 297.5 299.2 290.3 325.0 9.44 3 905 986 17.6 8.6 56 9.0 12.2 73 18 299.2 300.6 289.3 322.0 7.77 4 850 1519 13.8 9.4 75 4.4 11.2 60 11 300.6 302.2 290.7 326.4 8.74 5 768 2365 7.4 6.4 93 1.0 6.8 27 11 302.5 304.0 290.6 326.0 7.87 6 758 2474 13.2 -23.8 6 37.0 0.9 26 11 310.0 310.1 286.2 312.5 0.74 7 753 2530 14.2 -27.8 4 42.0 1.0 26 10 311.6 311.7 286.5 313.4 0.52 8 711 3014 13.6 -17.4 10 31.0 1.4 20 7 316.1 316.4 289.0 320.8 1.37 9 700 3145 13.0 -21.0 8 34.0 0.6 25 7 316.9 317.1 288.9 320.4 1.02 10 598 4441 3.2 -21.8 14 25.0 -5.2 83 4 320.1 320.3 290.0 324.0 1.12 11 539 5275 -0.7 -30.7 8 30.0 -8.8 84 8 325.1 325.2 290.9 327.1 0.55 12 500 5870 -3.7 -35.7 6 32.0 -11.3 90 9 328.5 328.6 291.7 329.9 0.36 13 420 7228 -11.1 -43.1 5 32.0 -17.0 95 11 335.8 335.9 293.5 336.6 0.20 14 400 7600 -14.3 -43.3 7 29.0 -19.3 95 12 336.4 336.4 293.6 337.2 0.21 15 353 8538 -20.5 -50.5 5 30.0 -24.2 92 13 340.3 340.3 294.5 340.7 0.11 16 300 9720 -30.3 -56.3 6 26.0 -32.4 85 10 342.7 342.7 295.0 342.9 0.06 17 250 10980 -40.9 -57.9 14 17.0 -41.8 80 6 345.3 345.3 295.6 345.5 0.06 18 228 11600 -46.3 -60.3 19 14.0 -46.8 125 8 346.2 346.2 295.8 346.4 0.05 19 220 11837 -47.5 -63.5 14 16.0 -48.0 143 9 347.9 347.9 296.2 348.1 0.03 20 200 12460 -52.7 -63.7 25 11.0 -52.9 195 14 349.3 349.3 296.5 349.5 0.04 21 196 12590 -53.7 -67.7 16 14.0 -54.0 194 14 349.7 349.7 296.6 349.8 0.02 22 180 13130 -58.3 -64.3 46 6.0 -58.4 192 16 350.9 350.9 296.8 351.0 0.04 23 152 14170 -66.7 -77.7 20 11.0 -66.8 190 20 353.8 353.8 297.5 353.9 0.01 24 150 14250 -67.7 -77.7 23 10.0 -67.8 190 20 353.5 353.5 297.4 353.5 0.01 25 135 14878 -73.5 -79.5 39 6.0 -73.5 181 22 354.0 354.0 297.5 354.0 0.01 26 113 15905 -80.5 -84.6 50 4.1 -80.5 183 18 359.4 359.4 298.6 359.4 0.00 27 100 16590 -84.5 -90.5 34 6.0 -84.5 155 13 364.5 364.5 299.5 364.5 0.00 28 96 16813 -85.9 -91.9 33 6.0 -85.9 140 14 366.0 366.0 299.8 366.0 0.00 29 91 17109 -80.9 -90.9 17 10.0 -80.9 131 13 381.6 381.6 302.5 381.6 0.00 30 77 18033 -85.7 -92.7 27 7.0 -85.7 103 9 390.3 390.3 303.8 390.3 0.00 31 74 18250 -85.1 -93.1 23 8.0 -85.1 96 8 396.0 396.0 304.6 396.0 0.00 32 70 18560 -79.1 -89.1 18 10.0 -79.1 100 9 415.2 415.2 307.2 415.2 0.00 33 67 18812 -75.5 -88.5 11 13.0 -75.6 99 9 428.2 428.2 308.6 428.2 0.00 34 63 19168 -76.3 -89.3 11 13.0 -76.3 98 9 434.0 434.0 309.3 434.0 0.00 35 54 20081 -66.1 -91.1 2 25.0 -66.4 91 9 477.1 477.1 313.2 477.1 0.00 36 50 20550 -64.7 -90.7 2 26.0 -65.0 85 10 491.0 491.0 314.3 491.0 0.00 37 49 20673 -64.5 -90.5 2 26.0 -64.8 84 10 494.3 494.3 314.5 494.3 0.00 38 43 21466 -66.9 -90.9 2 24.0 -67.2 81 12 507.2 507.3 315.5 507.3 0.00 39 41 21756 -63.7 -90.7 1 27.0 -64.1 83 12 522.2 522.2 316.4 522.2 0.00 40 35 22722 -65.5 -91.5 2 26.0 -65.9 89 13 541.7 541.7 317.6 541.7 0.00 41 30 23670 -60.7 -89.7 1 29.0 -61.6 95 20 579.2 579.2 319.6 579.2 0.00 42 28 24103 -56.7 -87.7 1 31.0 -58.1 91 20 601.8 601.8 320.7 601.9 0.01 43 26 24571 -58.3 -87.3 1 29.0 -59.6 87 21 610.2 610.2 321.0 610.2 0.01 TRP 96 16813 -85.9 -91.9 33 6.0 -85.9 140 14 366.0 366.0 299.8 366.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5742.00 m Freezing level: 549.59 mb = 5124.91 m = 16813.79 ft Wetbulb zero: 689.35 mb = 3271.14 m = 10731.96 ft Precipitable water: 0.93 inches Sfc-500 mean rel hum: 34.73 % Est. max temperature: 27.01 C = 80.62 F Sfc-Lift cond lev (LCL): 942.99 mb = 631.22 m = 2070.92 ft T: 18.23 C 700-500 lapse rate: 6.13 C/km ThetaE index: 13.93 C Layer 768.0- 753.0 mb Conv cond level (CCL): 802.43 mb = 1999.19 m = 6558.94 ft Mean mixing ratio: 9.76 g/kg Conv temperature: 27.97 C = 82.34 F Cap Strength: 10.64 C Lifted Index: 10.17 C Risk: None Lifted Index @300 mb: 13.45 C Lifted Index @700 mb: 10.64 C Showalter Index: 9.29 C Risk: None Total Totals Index: 30.60 C Risk: None Vertical Totals Index: 17.50 C Cross Totals Index: 13.10 C K Index: -7.10 Risk: None Sweat Index: 143.80 Risk: None Energy Index: 0.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.51 J/kg Max Up Vert Vel: 6.86 m/s Conv Inhibition (B-): 23763.79 J/kg Cap Strength: 10.60 C Lift Cond Lev (LCL): 865.67 mb = 1363.78 m = 4474.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 88 at 7 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 ---------------------------------------------------------- 0 993 181 20 1 -0.3 -0.9 | 276 6 6.5 -0.7 1 945 610 75 13 -12.6 -3.4 | 62 7 -5.8 -3.1 2 925 799 75 20 -19.3 -5.2 | 68 13 -12.5 -4.9 3 913 914 75 19 -18.4 -4.9 | 68 12 -11.6 -4.7 4 850 1519 60 11 -9.5 -5.5 | 27 6 -2.7 -5.3 5 849 1524 65 11 -10.0 -4.6 | 36 5 -3.2 -4.4 6 790 2134 30 13 -6.5 -11.3 | 358 11 0.3 -11.0 7 708 3048 20 7 -2.4 -6.6 | 325 8 4.4 -6.3 8 700 3145 25 7 -3.0 -6.3 | 328 7 3.8 -6.1 9 657 3658 20 7 -2.4 -6.6 | 325 8 4.4 -6.3 10 587 4572 95 3 -3.0 0.3 | 263 4 3.8 0.5 11 565 4877 90 4 -4.0 0.0 | 265 3 2.8 0.2 12 524 5486 80 10 -9.8 -1.7 | 64 3 -3.0 -1.5 13 500 5870 90 9 -9.0 0.0 | 96 2 -2.2 0.2 14 486 6096 95 10 -10.0 0.9 | 109 3 -3.2 1.1 15 400 7600 95 12 -12.0 1.0 | 104 5 -5.2 1.3 16 399 7620 95 12 -12.0 1.0 | 104 5 -5.2 1.3 17 324 9144 90 14 -14.0 0.0 | 92 7 -7.2 0.2 18 300 9720 85 10 -10.0 -0.9 | 79 3 -3.2 -0.6 19 262 10668 85 7 -7.0 -0.6 | 25 0 -0.2 -0.4 20 250 10980 80 6 -5.9 -1.0 | 312 1 0.9 -0.8 21 208 12192 170 10 -1.7 9.8 | 207 11 5.1 10.1 22 200 12460 195 14 3.6 13.5 | 217 17 10.4 13.8 23 163 13716 190 17 3.0 16.7 | 210 20 9.8 17.0 24 150 14250 190 20 3.5 19.7 | 207 22 10.3 19.9 25 126 15240 175 24 -2.1 23.9 | 191 25 4.7 24.1 26 102 16459 190 13 2.3 12.8 | 215 16 9.1 13.0 27 100 16590 155 13 -5.5 11.8 | 186 12 1.3 12.0 28 96 16813 140 14 -9.0 10.7 | 169 11 -2.2 11.0 29 74 18288 95 8 -8.0 0.7 | 129 1 -1.2 0.9 30 70 18560 100 9 -8.9 1.6 | 131 3 -2.1 1.8 31 57 19812 95 9 -9.0 0.8 | 115 2 -2.2 1.0 32 50 20550 85 10 -10.0 -0.9 | 79 3 -3.2 -0.6 33 44 21336 80 12 -11.8 -2.1 | 70 5 -5.0 -1.8 34 34 22860 90 13 -13.0 0.0 | 92 6 -6.2 0.2 35 30 23670 95 20 -19.9 1.7 | 99 13 -13.1 2.0 36 25 24384 85 21 -20.9 -1.8 | 84 14 -14.1 -1.6 37 21 24994 135 6 -4.2 4.2 | 210 5 2.6 4.5 Wind Parameters Mean winds (0-6000m): 58.0 at 9.1 knts Storm direction: 88.0 at 6.8 knts Shear (0-3000m) pos: 2.4 neg: 2.1 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 51.4 deg Storm rel helicity (0-3000m) pos: 21.9 neg: -36.9 tot: -15.1 m^2/s^2 ave: -5.0 10^-3 m/s^2 rel: -0.01 Storm rel vorticity (0-3000m) horiz: 7.3 stream: -0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 31.29 Bulk Shear: 0.75 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 72 8 22 2| 15.5 0.0 15.5| 20.0 0.0 20.0 39.9 0.86| 17.1 14.8 1000 73 13 58 7| 7.8 0.9 8.7| 21.5 -7.6 13.9 13.9 0.50| 12.7 6.3 1500 70 13 53 7| 5.2 2.1 7.3| 21.5 -15.2 6.3 4.2 0.27| 10.5 2.9 2000 63 13 40 7| 3.9 2.9 6.8| 21.5 -25.0 -3.6 -1.8 0.12| 9.4 1.1 2500 57 12 29 7| 3.1 2.5 5.6| 21.5 -32.4 -10.9 -4.4 0.03| 8.2 0.3 3000 53 12 20 7| 2.4 2.1 4.5| 21.9 -36.9 -15.1 -5.0 -0.01| 7.3 -0.1 4000 49 10 9 7| 2.0 1.6 3.6| 22.0 -39.0 -16.9 -4.2 -0.04| 6.2 -0.3 5000 52 9 3 5| 1.6 1.0 2.6| 22.4 -41.0 -18.7 -3.7 -0.05| 5.7 -0.3 6000 58 9 11 5| 1.6 0.8 2.5| 24.1 -41.0 -17.0 -2.8 -0.00| 5.3 -0.0 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20251208.00.gif