UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:0000Z 4 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 133 0 0 SFC 994 181 22.0 18.4 80 3.6 19.5 0 0 295.7 298.1 292.9 334.5 13.52 2 958 503 20.2 16.2 78 4.0 17.5 49 13 297.0 299.2 292.3 332.2 12.18 3 925 809 21.0 13.0 60 8.0 15.8 65 16 300.8 302.7 292.0 330.9 10.22 4 920 856 21.0 13.0 60 8.0 15.8 63 16 301.2 303.1 292.2 331.6 10.28 5 853 1505 15.0 14.9 99 0.1 15.0 70 16 301.6 303.9 294.0 338.7 12.59 6 850 1535 15.0 14.9 99 0.1 15.0 70 16 301.9 304.2 294.1 339.1 12.64 7 802 2028 13.6 13.3 98 0.3 13.4 78 12 305.4 307.7 294.7 341.5 12.06 8 778 2284 13.0 9.9 81 3.1 11.0 83 11 307.4 309.3 293.7 337.4 9.89 9 757 2514 11.6 11.6 100 0.0 11.6 88 11 308.3 310.5 295.0 342.9 11.42 10 700 3167 8.0 8.0 100 0.0 8.0 100 13 311.3 313.2 294.6 341.1 9.67 11 688 3310 7.2 7.2 100 0.0 7.2 103 12 312.0 313.8 294.5 340.7 9.31 12 660 3651 7.0 4.0 81 3.0 5.2 110 11 315.5 317.0 294.3 339.8 7.75 13 652 3752 7.2 2.7 73 4.5 4.6 109 11 316.8 318.2 294.2 339.4 7.15 14 587 4607 1.8 -3.2 69 5.0 -0.7 98 8 320.2 321.2 293.6 336.9 5.15 15 579 4718 3.2 -30.8 6 34.0 -6.4 87 8 323.1 323.2 290.2 324.9 0.51 16 566 4902 2.0 -30.0 7 32.0 -7.1 70 7 323.8 323.9 290.5 325.8 0.56 17 551 5118 0.4 -21.6 17 22.0 -7.1 76 6 324.4 324.6 291.3 328.7 1.23 18 543 5236 -0.7 -8.7 55 8.0 -4.4 79 6 324.4 325.2 293.4 336.6 3.65 19 534 5369 -1.3 -14.3 36 13.0 -6.5 82 5 325.3 325.7 292.6 333.3 2.37 20 511 5718 -4.3 -9.3 68 5.0 -6.5 93 6 325.8 326.5 293.9 338.1 3.70 21 504 5827 -4.3 -15.3 42 11.0 -8.5 98 7 327.1 327.5 293.0 335.0 2.31 22 500 5890 -4.7 -15.7 42 11.0 -8.9 100 7 327.3 327.8 293.1 335.0 2.25 23 483 6161 -6.5 -22.5 27 16.0 -11.6 103 7 328.3 328.6 292.5 332.9 1.30 24 425 7148 -12.3 -18.3 61 6.0 -14.4 155 8 333.2 333.6 294.5 340.7 2.13 25 420 7239 -12.3 -23.3 39 11.0 -15.6 160 8 334.3 334.6 294.1 339.3 1.39 26 403 7553 -13.9 -25.9 36 12.0 -17.3 177 8 336.2 336.4 294.4 340.4 1.15 27 400 7610 -14.5 -28.5 29 14.0 -18.1 180 8 336.1 336.3 294.2 339.5 0.91 28 399 7629 -14.5 -28.5 29 14.0 -18.1 170 6 336.4 336.6 294.3 339.8 0.91 29 300 9730 -29.9 -54.9 7 25.0 -32.0 220 7 343.2 343.3 295.1 343.5 0.07 30 279 10242 -33.3 -58.3 6 25.0 -35.0 231 6 345.5 345.5 295.7 345.8 0.05 31 250 11000 -40.5 -59.5 11 19.0 -41.4 225 7 345.9 345.9 295.7 346.1 0.05 32 223 11768 -47.1 -64.1 13 17.0 -47.6 209 9 347.2 347.2 296.0 347.3 0.03 33 217 11948 -48.1 -60.1 24 12.0 -48.5 205 9 348.4 348.4 296.3 348.6 0.05 34 215 12009 -48.7 -53.0 61 4.3 -48.9 204 10 348.4 348.4 296.4 348.9 0.13 35 200 12480 -52.5 -58.5 48 6.0 -52.7 195 13 349.6 349.6 296.6 349.9 0.07 36 196 12609 -53.5 -58.5 54 5.0 -53.7 193 14 350.1 350.1 296.7 350.4 0.07 37 181 13114 -56.9 -71.9 13 15.0 -57.1 185 17 352.6 352.6 297.2 352.6 0.01 38 180 13149 -57.1 -72.1 13 15.0 -57.3 184 17 352.8 352.8 297.3 352.9 0.01 39 156 14033 -64.9 -74.9 24 10.0 -65.0 181 19 354.3 354.3 297.5 354.3 0.01 40 150 14270 -66.9 -72.9 42 6.0 -67.0 185 17 354.8 354.8 297.7 354.9 0.01 41 144 14515 -69.1 -72.7 59 3.6 -69.1 189 16 355.2 355.2 297.7 355.2 0.01 42 138 14769 -71.3 -78.3 35 7.0 -71.3 192 15 355.7 355.7 297.8 355.7 0.01 43 118 15682 -76.7 -85.7 23 9.0 -76.7 260 10 362.0 362.0 299.1 362.0 0.00 44 100 16620 -82.9 -88.9 35 6.0 -82.9 360 4 367.6 367.6 300.1 367.6 0.00 45 86 17457 -86.1 -92.1 33 6.0 -86.1 90 6 377.3 377.3 301.8 377.3 0.00 46 74 18293 -81.5 -90.5 20 9.0 -81.5 134 16 403.6 403.6 305.7 403.6 0.00 47 70 18610 -76.3 -88.3 13 12.0 -76.3 100 4 421.2 421.2 307.9 421.2 0.00 48 69 18693 -76.1 -88.1 13 12.0 -76.2 99 4 423.3 423.3 308.1 423.3 0.00 49 63 19212 -79.3 -89.3 18 10.0 -79.3 95 8 427.4 427.4 308.6 427.4 0.00 50 55 19991 -74.1 -89.1 8 15.0 -74.2 84 11 456.3 456.3 311.4 456.3 0.00 51 53 20206 -75.3 -90.3 8 15.0 -75.4 76 11 458.3 458.3 311.6 458.4 0.00 52 50 20550 -66.9 -90.9 2 24.0 -67.1 65 11 485.8 485.8 313.9 485.8 0.00 53 48 20800 -61.9 -90.9 1 29.0 -62.4 67 11 503.5 503.5 315.2 503.5 0.00 54 47 20930 -61.1 -89.1 1 28.0 -61.6 69 11 508.4 508.4 315.5 508.4 0.00 TRP 86 17457 -86.1 -92.1 33 6.0 -86.1 90 6 377.3 377.3 301.8 377.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5757.00 m Freezing level: 548.09 mb = 5161.10 m = 16932.54 ft Wetbulb zero: 596.04 mb = 4482.87 m = 14707.41 ft Precipitable water: 1.81 inches Sfc-500 mean rel hum: 73.36 % Est. max temperature: 28.62 C = 83.52 F Sfc-Lift cond lev (LCL): 942.92 mb = 641.67 m = 2105.21 ft T: 20.56 C 700-500 lapse rate: 4.66 C/km ThetaE index: 18.00 C Layer 700.0- 566.0 mb Conv cond level (CCL): 761.76 mb = 2461.66 m = 8076.22 ft Mean mixing ratio: 11.59 g/kg Conv temperature: 34.47 C = 94.04 F Cap Strength: 6.29 C Lifted Index: 5.36 C Risk: None Lifted Index @300 mb: 8.75 C Lifted Index @700 mb: 2.77 C Showalter Index: 2.43 C Risk: Showers probable Total Totals Index: 39.30 C Risk: None Vertical Totals Index: 19.70 C Cross Totals Index: 19.60 C K Index: 34.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 217.80 Risk: None Energy Index: -0.80 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.04 J/kg Max Up Vert Vel: 7.22 m/s Conv Inhibition (B-): 13035.58 J/kg Cap Strength: 6.14 C Lift Cond Lev (LCL): 870.45 mb = 1331.28 m = 4367.65 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 114 at 8 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 | 294 8 7.2 -3.3 1 946 610 65 17 -15.4 -7.2 | 38 13 -8.3 -10.4 2 925 809 65 16 -14.5 -6.8 | 36 12 -7.3 -10.0 3 914 914 60 15 -13.0 -7.5 | 28 12 -5.8 -10.8 4 851 1524 70 16 -15.0 -5.5 | 42 12 -7.9 -8.7 5 850 1535 70 16 -15.0 -5.5 | 42 12 -7.9 -8.7 6 792 2134 80 11 -10.8 -1.9 | 35 6 -3.7 -5.2 7 710 3048 100 12 -11.8 2.1 | 76 5 -4.7 -1.2 8 700 3167 100 13 -12.8 2.3 | 80 6 -5.6 -1.0 9 659 3658 110 11 -10.3 3.8 | 99 3 -3.2 0.5 10 588 4572 100 8 -7.9 1.4 | 21 2 -0.7 -1.9 11 567 4877 70 7 -6.6 -2.4 | 354 6 0.6 -5.7 12 526 5486 85 5 -5.0 -0.4 | 330 4 2.2 -3.7 13 500 5890 100 7 -6.9 1.2 | 353 2 0.3 -2.0 14 487 6096 100 7 -6.9 1.2 | 353 2 0.3 -2.0 15 400 7610 180 8 0.0 8.0 | 236 9 7.2 4.7 16 399 7620 170 6 -1.0 5.9 | 247 7 6.1 2.7 17 325 9144 205 10 4.2 9.1 | 243 13 11.4 5.8 18 300 9730 220 7 4.5 5.4 | 260 12 11.7 2.1 19 262 10668 240 6 5.2 3.0 | 271 12 12.4 -0.3 20 250 11000 225 7 4.9 4.9 | 262 12 12.1 1.7 21 209 12192 200 10 3.4 9.4 | 240 12 10.6 6.1 22 200 12480 195 13 3.4 12.6 | 229 14 10.5 9.3 23 164 13716 175 21 -1.8 20.9 | 197 18 5.3 17.7 24 150 14270 185 17 1.5 16.9 | 212 16 8.6 13.7 25 127 15240 200 13 4.4 12.2 | 232 15 11.6 9.0 26 103 16459 15 5 -1.3 -4.8 | 324 10 5.9 -8.1 27 100 16620 360 4 -0.0 -4.0 | 315 10 7.2 -7.3 28 86 17457 90 6 -6.0 0.0 | 340 3 1.2 -3.3 29 74 18288 135 16 -11.3 11.3 | 153 9 -4.2 8.1 30 70 18610 100 4 -3.9 0.7 | 309 4 3.2 -2.6 31 57 19812 90 11 -11.0 0.0 | 50 5 -3.8 -3.3 32 50 20550 65 11 -10.0 -4.6 | 20 8 -2.8 -7.9 33 42 21336 75 11 -10.6 -2.8 | 30 7 -3.5 -6.1 34 37 21946 70 15 -14.1 -5.1 | 40 11 -6.9 -8.4 Wind Parameters Mean winds (0-6000m): 84.5 at 10.5 knts Storm direction: 114.5 at 7.9 knts Shear (0-3000m) pos: 2.4 neg: 0.2 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 145.9 deg Storm rel helicity (0-3000m) pos: 67.2 neg: -7.1 tot: 60.1 m^2/s^2 ave: 20.0 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 4.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 16.07 Bulk Shear: 1.62 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 65 10 12 8| 17.1 0.0 17.1| 53.4 0.0 53.4 106.8 0.96| 20.5 19.7 1000 64 13 25 10| 8.6 0.6 9.2| 56.3 -5.5 50.8 50.8 0.81| 11.7 9.5 1500 66 14 31 10| 5.5 0.4 5.9| 61.4 -5.6 55.8 37.2 0.78| 8.8 6.9 2000 68 13 33 10| 3.2 0.3 3.5| 61.4 -7.1 54.3 27.2 0.65| 7.7 5.0 2500 71 13 35 9| 2.6 0.3 2.9| 64.5 -7.1 57.4 23.0 0.66| 6.6 4.4 3000 75 13 39 8| 2.4 0.2 2.6| 67.2 -7.1 60.1 20.0 0.67| 6.0 4.0 4000 82 12 46 7| 1.5 0.3 1.9| 68.8 -8.1 60.7 15.2 0.59| 5.1 3.0 5000 84 11 43 6| 1.2 0.7 2.0| 68.8 -11.8 57.0 11.4 0.41| 4.8 2.0 6000 84 10 38 5| 1.2 0.6 1.8| 69.8 -13.2 56.6 9.4 0.38| 4.3 1.6 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20251204.00.gif