UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for VTCC... Searching the city database file for: VTCC ... Date:0000Z 28 APR 25 Station: VTCC WMO ident: 48327 Latitude: 18.78 Longitude: 98.98 Elevation: 314.00 ------------------------------------------------------------------------------- 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 131 SFC 979 314 24.2 16.2 61 8.0 18.8 0 0 299.2 301.3 292.8 333.9 11.91 2 957 514 21.8 16.8 73 5.0 18.4 17 2 298.7 301.0 293.2 335.6 12.67 3 925 811 20.8 14.8 69 6.0 16.8 25 6 300.6 302.7 292.9 334.4 11.52 4 907 981 20.2 13.2 64 7.0 15.7 177 4 301.7 303.6 292.5 332.9 10.57 5 867 1371 21.8 8.8 43 13.0 13.7 115 3 307.2 308.8 292.3 332.2 8.22 6 850 1543 21.0 8.0 43 13.0 13.0 115 4 308.1 309.6 292.3 332.4 7.94 7 822 1833 20.4 5.4 37 15.0 11.4 170 6 310.5 311.8 292.2 331.6 6.85 8 821 1843 20.2 5.2 37 15.0 11.3 170 6 310.4 311.7 292.0 331.3 6.77 9 737 2761 11.8 2.8 54 9.0 6.7 175 7 310.9 312.1 291.9 330.7 6.36 10 700 3191 9.6 0.6 53 9.0 4.7 165 6 313.1 314.2 292.0 331.1 5.72 11 588 4610 -0.7 -7.7 59 7.0 -3.8 24 5 317.1 317.8 291.4 328.9 3.64 12 545 5213 -3.7 -6.9 78 3.2 -5.2 346 4 320.5 321.3 292.9 334.2 4.19 13 500 5890 -6.5 -11.1 70 4.6 -8.4 230 4 325.1 325.8 293.3 336.1 3.28 14 400 7610 -16.3 -24.3 50 8.0 -18.6 315 4 333.8 334.1 294.0 338.6 1.34 15 382 7955 -17.9 -24.9 54 7.0 -19.8 340 3 336.1 336.4 294.6 340.9 1.33 16 381 7974 -18.7 -27.7 45 9.0 -20.9 339 3 335.3 335.5 294.1 339.1 1.03 17 334 8941 -25.5 -29.8 67 4.3 -26.4 266 7 338.9 339.1 294.9 342.5 0.97 18 300 9710 -30.9 -39.9 41 9.0 -32.1 220 9 341.8 341.9 295.1 343.4 0.40 19 260 10711 -38.3 -55.3 15 17.0 -39.4 254 22 345.2 345.2 295.6 345.6 0.08 20 250 10980 -40.1 -56.1 16 16.0 -41.0 250 20 346.4 346.5 295.9 346.8 0.08 21 200 12460 -52.9 -65.9 19 13.0 -53.2 260 28 349.0 349.0 296.4 349.1 0.03 22 168 13559 -62.3 -76.3 14 14.0 -62.4 260 36 351.2 351.2 296.9 351.2 0.01 23 150 14250 -67.3 -79.3 17 12.0 -67.4 265 36 354.2 354.2 297.5 354.2 0.00 24 118 15653 -78.7 -91.7 10 13.0 -78.7 206 26 358.3 358.3 298.4 358.3 0.00 25 113 15900 -78.7 -93.7 7 15.0 -78.7 172 19 362.8 362.8 299.2 362.8 0.00 26 106 16266 -75.9 -91.9 6 16.0 -75.9 122 8 374.8 374.8 301.4 374.8 0.00 27 100 16600 -77.9 -93.9 6 16.0 -77.9 105 3 377.2 377.2 301.8 377.2 0.00 28 93 17012 -81.1 -94.1 9 13.0 -81.1 220 5 378.8 378.8 302.1 378.8 0.00 29 77 18080 -79.5 -93.5 8 14.0 -79.6 270 20 403.2 403.2 305.6 403.2 0.00 30 72 18459 -81.7 -94.7 9 13.0 -81.7 314 16 406.3 406.3 306.0 406.3 0.00 31 70 18620 -73.5 -90.5 6 17.0 -73.6 345 10 427.1 427.1 308.5 427.1 0.00 32 61 19416 -77.3 -93.3 6 16.0 -77.3 345 13 435.8 435.8 309.4 435.8 0.00 33 59 19609 -74.5 -91.5 6 17.0 -74.6 345 13 446.3 446.3 310.5 446.3 0.00 34 58 19709 -69.7 -87.7 6 18.0 -69.8 345 14 459.3 459.3 311.7 459.3 0.00 35 56 19918 -70.3 -90.3 4 20.0 -70.4 6 14 462.6 462.6 312.0 462.6 0.00 36 52 20362 -65.9 -86.9 4 21.0 -66.1 80 13 482.7 482.7 313.7 482.8 0.00 37 50 20600 -66.3 -87.3 4 21.0 -66.5 120 12 487.2 487.2 314.0 487.3 0.00 38 38 22284 -62.3 -85.3 3 23.0 -62.9 77 8 537.2 537.2 317.3 537.3 0.01 39 34 22985 -54.7 -79.7 3 25.0 -56.1 95 12 574.6 574.6 319.4 574.7 0.02 40 30 23790 -53.3 -79.3 3 26.0 -55.2 95 19 599.3 599.3 320.6 599.5 0.02 41 26 24712 -52.9 -80.9 2 28.0 -55.1 105 24 625.5 625.5 321.7 625.7 0.02 TRP 93 17012 -81.1 -94.1 9 13.0 -81.1 220 5 378.8 378.8 302.1 378.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5759.00 m Freezing level: 595.61 mb = 4513.39 m = 14807.52 ft Wetbulb zero: 638.37 mb = 3940.96 m = 12929.50 ft Precipitable water: 1.41 inches Sfc-500 mean rel hum: 58.06 % Est. max temperature: 34.86 C = 94.75 F Sfc-Lift cond lev (LCL): 870.61 mb = 1335.36 m = 4381.03 ft T: 21.65 C 700-500 lapse rate: 5.97 C/km ThetaE index: 3.38 C Layer 925.0- 850.0 mb Conv cond level (CCL): 715.75 mb = 3005.23 m = 9859.55 ft Mean mixing ratio: 11.26 g/kg Conv temperature: 37.14 C = 98.85 F Cap Strength: 8.19 C Lifted Index: 2.86 C Risk: None Lifted Index @300 mb: 6.81 C Lifted Index @700 mb: 3.90 C Showalter Index: 3.62 C Risk: None Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 27.50 C Cross Totals Index: 14.50 C K Index: 26.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 108.00 Risk: None Energy Index: 0.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.42 J/kg Max Up Vert Vel: 7.13 m/s Conv Inhibition (B-): 25579.28 J/kg Cap Strength: 8.04 C Lift Cond Lev (LCL): 838.45 mb = 1661.25 m = 5450.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 169 at 3 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 ---------------------------------------------------------- 0 979 314 0 0 -0.0 -0.0 | 349 3 0.6 -3.3 1 947 610 25 3 -1.3 -2.7 | 6 6 -0.6 -6.0 2 925 811 25 6 -2.5 -5.4 | 12 9 -1.9 -8.7 3 914 914 195 4 1.0 3.9 | 250 2 1.7 0.6 4 882 1219 115 3 -2.7 1.3 | 47 3 -2.1 -2.0 5 850 1543 115 4 -3.6 1.7 | 62 3 -3.0 -1.6 6 822 1829 170 6 -1.0 5.9 | 171 3 -0.4 2.7 7 793 2134 165 6 -1.6 5.8 | 160 3 -0.9 2.5 8 765 2438 180 6 0.0 6.0 | 193 3 0.6 2.7 9 738 2743 175 7 -0.6 7.0 | 180 4 0.0 3.7 10 700 3191 165 6 -1.6 5.8 | 160 3 -0.9 2.5 11 660 3658 60 2 -1.7 -1.0 | 15 4 -1.1 -4.3 12 612 4267 5 6 -0.5 -6.0 | 359 9 0.1 -9.2 13 567 4877 40 4 -2.6 -3.1 | 17 7 -1.9 -6.3 14 500 5890 230 4 3.1 2.6 | 280 4 3.7 -0.7 15 487 6096 230 2 1.5 1.3 | 312 3 2.2 -2.0 16 400 7610 315 4 2.8 -2.8 | 330 7 3.5 -6.1 17 399 7620 5 2 -0.2 -2.0 | 355 5 0.4 -5.2 18 324 9144 250 8 7.5 2.7 | 274 8 8.1 -0.5 19 300 9710 220 9 5.8 6.9 | 240 7 6.4 3.6 20 261 10668 255 22 21.3 5.7 | 264 22 21.9 2.4 21 250 10980 250 20 18.8 6.8 | 260 20 19.4 3.6 22 208 12192 255 27 26.1 7.0 | 262 27 26.7 3.7 23 200 12460 260 28 27.6 4.9 | 267 28 28.2 1.6 24 163 13716 260 37 36.4 6.4 | 265 37 37.1 3.2 25 150 14250 265 36 35.9 3.1 | 270 36 36.5 -0.1 26 126 15240 260 38 37.4 6.6 | 265 38 38.0 3.3 27 102 16459 95 2 -2.0 0.2 | 24 3 -1.4 -3.1 28 100 16600 105 3 -2.9 0.8 | 43 3 -2.3 -2.5 29 93 17012 220 5 3.2 3.8 | 261 4 3.8 0.6 30 74 18288 280 23 22.7 -4.0 | 287 24 23.3 -7.2 31 70 18620 345 10 2.6 -9.7 | 346 13 3.2 -12.9 32 57 19812 345 14 3.6 -13.5 | 346 17 4.2 -16.8 33 50 20600 120 12 -10.4 6.0 | 106 10 -9.8 2.7 34 44 21336 45 2 -1.4 -1.4 | 10 5 -0.8 -4.7 35 35 22860 95 11 -11.0 1.0 | 77 11 -10.3 -2.3 36 30 23790 95 19 -18.9 1.7 | 85 18 -18.3 -1.6 37 26 24384 105 24 -23.2 6.2 | 97 23 -22.6 3.0 Wind Parameters Mean winds (0-6000m): 139.2 at 4.4 knts Storm direction: 169.2 at 3.3 knts Shear (0-3000m) pos: 1.0 neg: 0.6 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 108.8 deg Storm rel helicity (0-3000m) pos: 9.3 neg: -7.4 tot: 1.8 m^2/s^2 ave: 0.6 10^-3 m/s^2 rel: -0.28 Storm rel vorticity (0-3000m) horiz: 6.6 stream: -1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.21 Bulk Shear: 4.88 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 25 3 5 6| 6.1 0.0 6.1| 4.3 0.0 4.3 8.7 0.44| 6.3 2.8 1000 72 3 30 5| 1.7 0.0 1.7| 4.5 -3.9 0.6 0.6 -0.49| 13.1 -6.5 1500 111 4 55 3| 2.0 0.0 2.0| 8.2 -3.9 4.3 2.8 -0.23| 10.7 -2.5 2000 141 4 91 2| 1.5 0.0 1.5| 8.9 -4.1 4.8 2.4 -0.20| 8.4 -1.7 2500 155 5 126 2| 1.2 0.2 1.4| 9.3 -4.8 4.4 1.8 -0.20| 7.1 -1.4 3000 158 5 137 2| 1.0 0.6 1.6| 9.3 -7.4 1.8 0.6 -0.28| 6.6 -1.8 4000 147 5 108 2| 0.8 1.5 2.3| 9.3 -16.5 -7.2 -1.8 -0.36| 6.3 -2.3 5000 122 5 77 3| 0.9 1.3 2.2| 13.7 -25.6 -11.9 -2.4 -0.36| 5.9 -2.1 6000 139 4 92 2| 0.7 0.7 1.5| 15.1 -34.3 -19.2 -3.2 -0.37| 5.7 -2.1 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20250428.00.gif