UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121100.upa.cvt Date: 0000Z 11 DEC 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:0000Z 11 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 136 0 0 SFC 994 181 19.0 17.3 90 1.7 17.9 0 0 292.7 294.9 291.3 328.4 12.59 2 992 199 20.4 19.8 96 0.6 20.0 2 0 294.2 296.9 293.4 336.5 14.81 3 925 808 17.6 16.1 91 1.5 16.6 60 13 297.3 299.6 292.7 333.6 12.54 4 886 1177 15.6 15.5 99 0.1 15.5 71 13 298.9 301.2 293.2 335.6 12.60 5 850 1530 15.0 14.4 96 0.6 14.6 80 12 301.9 304.1 293.8 337.9 12.23 6 739 2712 11.2 11.0 99 0.2 11.1 119 12 310.0 312.2 295.4 344.3 11.23 7 723 2896 10.2 10.2 100 0.0 10.2 125 12 310.9 313.0 295.3 344.2 10.88 8 700 3165 8.8 8.8 100 0.0 8.8 135 11 312.2 314.2 295.2 343.7 10.22 9 595 4499 2.2 2.2 100 0.0 2.2 150 15 319.4 320.9 295.1 343.6 7.57 10 523 5534 -3.1 -6.8 76 3.7 -4.8 165 8 325.1 325.9 294.2 339.6 4.40 11 522 5550 -2.9 -8.9 63 6.0 -5.6 165 8 325.5 326.2 293.8 338.0 3.74 12 500 5890 -6.1 -9.5 77 3.4 -7.6 165 11 325.6 326.3 293.9 338.1 3.72 13 467 6418 -10.7 -11.5 94 0.8 -11.1 167 11 326.3 327.0 293.7 337.7 3.40 14 455 6618 -9.5 -17.5 52 8.0 -12.3 168 12 330.2 330.7 293.7 337.7 2.13 15 445 6789 -10.7 -15.2 69 4.5 -12.4 170 12 330.8 331.4 294.3 340.0 2.64 16 400 7600 -14.5 -26.5 35 12.0 -17.7 175 13 336.1 336.4 294.4 340.2 1.10 17 392 7753 -15.3 -28.3 32 13.0 -18.6 176 13 337.0 337.2 294.4 340.6 0.95 18 347 8664 -20.9 -40.9 15 20.0 -24.2 182 9 341.4 341.5 295.0 342.6 0.31 19 316 9347 -26.5 -46.5 13 20.0 -28.9 202 7 342.9 342.9 295.2 343.7 0.19 20 310 9485 -27.9 -46.9 15 19.0 -30.1 214 8 342.8 342.9 295.2 343.6 0.18 21 300 9720 -29.5 -49.5 13 20.0 -31.5 235 8 343.8 343.8 295.4 344.4 0.14 22 250 10990 -40.1 -59.1 11 19.0 -41.1 215 10 346.4 346.5 295.9 346.7 0.05 23 230 11553 -44.5 -61.5 13 17.0 -45.2 215 11 348.1 348.1 296.3 348.3 0.04 24 221 11818 -47.1 -65.1 11 18.0 -47.6 215 12 348.1 348.1 296.3 348.2 0.03 25 207 12247 -50.9 -64.9 17 14.0 -51.2 213 13 348.7 348.7 296.4 348.8 0.03 26 204 12342 -51.7 -57.7 49 6.0 -51.9 210 13 348.9 348.9 296.5 349.2 0.08 27 200 12470 -52.9 -59.9 42 7.0 -53.1 205 13 349.0 349.0 296.5 349.3 0.06 28 188 12865 -56.7 -60.9 59 4.2 -56.8 210 14 349.1 349.1 296.5 349.3 0.06 29 185 12967 -57.7 -62.7 53 5.0 -57.8 211 14 349.1 349.1 296.5 349.3 0.04 30 175 13316 -59.9 -67.9 34 8.0 -60.0 215 15 351.1 351.1 296.9 351.2 0.02 31 150 14260 -67.9 -74.9 36 7.0 -67.9 195 12 353.1 353.1 297.3 353.2 0.01 32 147 14381 -68.5 -76.5 31 8.0 -68.5 193 13 354.1 354.1 297.5 354.2 0.01 33 116 15764 -78.7 -88.7 18 10.0 -78.7 179 14 360.1 360.1 298.7 360.1 0.00 34 113 15914 -76.7 -89.7 11 13.0 -76.7 180 12 366.5 366.5 299.9 366.5 0.00 35 100 16610 -80.7 -91.7 14 11.0 -80.7 240 4 371.8 371.8 300.9 371.8 0.00 36 89 17261 -85.5 -93.5 22 8.0 -85.5 160 7 374.8 374.8 301.4 374.8 0.00 37 80 17854 -81.7 -91.7 17 10.0 -81.7 65 9 394.2 394.3 304.4 394.3 0.00 38 71 18521 -83.9 -90.9 28 7.0 -83.9 21 10 403.3 403.3 305.6 403.3 0.00 39 70 18600 -83.1 -91.1 24 8.0 -83.1 30 9 406.6 406.6 306.1 406.6 0.00 40 63 19193 -79.7 -89.7 18 10.0 -79.7 48 11 426.5 426.5 308.4 426.5 0.00 41 55 19984 -68.9 -88.9 4 20.0 -69.1 77 11 468.2 468.2 312.5 468.2 0.00 42 50 20560 -65.5 -89.5 2 24.0 -65.8 110 7 489.1 489.1 314.1 489.1 0.00 43 46 21070 -62.9 -88.9 2 26.0 -63.3 115 7 507.2 507.2 315.5 507.2 0.00 44 44 21344 -63.1 -89.1 2 26.0 -63.6 117 7 513.2 513.2 315.8 513.2 0.00 TRP 89 17261 -85.5 -93.5 22 8.0 -85.5 160 7 374.8 374.8 301.4 374.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5754.00 m Freezing level: 565.11 mb = 4928.77 m = 16170.29 ft Wetbulb zero: 572.60 mb = 4807.06 m = 15771.02 ft Precipitable water: 2.12 inches Sfc-500 mean rel hum: 94.09 % Est. max temperature: 28.60 C = 83.48 F Sfc-Lift cond lev (LCL): 969.61 mb = 397.54 m = 1304.23 ft T: 19.49 C 700-500 lapse rate: 5.47 C/km ThetaE index: 6.37 C Layer 723.0- 500.0 mb Conv cond level (CCL): 908.39 mb = 963.04 m = 3159.54 ft Mean mixing ratio: 13.32 g/kg Conv temperature: 24.32 C = 75.78 F Cap Strength: 4.02 C Lifted Index: 2.90 C Risk: None Lifted Index @300 mb: 7.75 C Lifted Index @700 mb: 2.80 C Showalter Index: 1.56 C Risk: Showers probable Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 20.50 C K Index: 35.50 Risk: > 80 % chance of thunderstorms Sweat Index: 207.80 Risk: None Energy Index: 0.01 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.37 J/kg Max Up Vert Vel: 5.72 m/s Conv Inhibition (B-): 12283.07 J/kg Cap Strength: 3.88 C Lift Cond Lev (LCL): 929.55 mb = 765.28 m = 2510.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 156 at 9 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 ---------------------------------------------------------- 0 994 181 0 0 -0.0 -0.0 | 336 9 3.6 -8.0 1 946 610 55 11 -9.0 -6.3 | 21 15 -5.4 -14.3 2 925 808 60 13 -11.3 -6.5 | 28 16 -7.7 -14.5 3 914 914 65 13 -11.8 -5.5 | 31 16 -8.2 -13.5 4 851 1524 80 12 -11.8 -2.1 | 39 13 -8.2 -10.0 5 850 1530 80 12 -11.8 -2.1 | 39 13 -8.2 -10.0 6 791 2134 100 13 -12.8 2.3 | 58 11 -9.2 -5.7 7 710 3048 130 12 -9.2 7.7 | 87 6 -5.6 -0.3 8 700 3165 135 11 -7.8 7.8 | 87 4 -4.2 -0.2 9 659 3658 150 12 -6.0 10.4 | 135 3 -2.4 2.4 10 588 4572 150 15 -7.5 13.0 | 142 6 -3.9 5.0 11 567 4877 160 13 -4.4 12.2 | 169 4 -0.8 4.3 12 526 5486 165 8 -2.1 7.7 | 279 2 1.5 -0.2 13 500 5890 165 11 -2.8 10.6 | 196 3 0.8 2.7 14 487 6096 165 11 -2.8 10.6 | 196 3 0.8 2.7 15 400 7600 175 13 -1.1 13.0 | 206 6 2.5 5.0 16 399 7620 175 14 -1.2 13.9 | 202 6 2.4 6.0 17 324 9144 185 7 0.6 7.0 | 283 4 4.2 -1.0 18 300 9720 235 8 6.6 4.6 | 288 11 10.2 -3.4 19 262 10668 215 9 5.2 7.4 | 274 9 8.8 -0.6 20 250 10990 215 10 5.7 8.2 | 269 9 9.3 0.2 21 209 12192 215 13 7.5 10.6 | 256 11 11.1 2.7 22 200 12470 205 13 5.5 11.8 | 247 10 9.1 3.8 23 164 13716 220 16 10.3 12.3 | 253 15 13.9 4.3 24 150 14260 195 12 3.1 11.6 | 242 8 6.7 3.6 25 127 15240 175 20 -1.7 19.9 | 189 12 1.9 12.0 26 103 16459 185 6 0.5 6.0 | 296 5 4.1 -2.0 27 100 16610 240 4 3.5 2.0 | 310 9 7.1 -6.0 28 89 17261 160 7 -2.4 6.6 | 319 2 1.2 -1.4 29 74 18288 355 11 1.0 -11.0 | 346 19 4.6 -18.9 30 70 18600 30 9 -4.5 -7.8 | 3 16 -0.9 -15.8 31 57 19812 65 13 -11.8 -5.5 | 31 16 -8.2 -13.5 32 50 20560 110 7 -6.6 2.4 | 28 6 -3.0 -5.6 33 42 21336 120 7 -6.1 3.5 | 29 5 -2.5 -4.5 34 39 21641 110 8 -7.5 2.7 | 37 7 -3.9 -5.2 Wind Parameters Mean winds (0-6000m): 125.6 at 11.7 knts Storm direction: 155.6 at 8.7 knts Shear (0-3000m) pos: 1.9 neg: 0.0 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 113.0 deg Storm rel helicity (0-3000m) pos: 75.9 neg: 0.0 tot: 75.9 m^2/s^2 ave: 25.3 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 4.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.98 Bulk Shear: 16.73 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 6 8 12| 12.1 0.0 12.1| 37.6 0.0 37.6 75.1 0.82| 13.6 11.1 1000 61 10 21 13| 6.5 0.0 6.5| 50.7 0.0 50.7 50.7 0.81| 8.9 7.2 1500 68 10 27 13| 4.2 0.0 4.2| 57.8 0.0 57.8 38.6 0.79| 6.9 5.5 2000 75 11 33 13| 3.3 0.0 3.3| 67.6 0.0 67.6 33.8 0.80| 6.2 4.9 2500 83 11 39 12| 2.6 0.0 2.6| 73.0 0.0 73.0 29.2 0.78| 5.7 4.4 3000 90 11 45 11| 1.9 0.0 1.9| 75.9 0.0 75.9 25.3 0.73| 5.4 4.0 4000 106 12 58 9| 1.6 0.2 1.8| 79.1 0.0 79.1 19.8 0.73| 4.7 3.4 5000 118 12 72 7| 0.9 0.2 1.1| 83.7 0.0 83.7 16.7 0.70| 4.4 3.1 6000 126 12 79 6| 0.8 0.1 1.0| 84.6 -1.1 83.5 13.9 0.62| 4.2 2.6 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20251211.00.gif