UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for VTCC... Searching the city database file for: VTCC ... Date:0000Z 23 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 87 SFC 975 314 28.8 15.8 45 13.0 19.9 0 0 304.1 306.3 294.0 338.9 11.65 2 974 323 27.6 15.6 48 12.0 19.5 357 0 303.0 305.1 293.6 337.2 11.51 3 925 778 26.0 15.0 51 11.0 18.5 285 5 305.9 308.1 294.6 340.9 11.67 4 918 845 25.8 14.8 51 11.0 18.4 280 8 306.4 308.5 294.6 341.3 11.61 5 850 1517 20.4 12.4 60 8.0 15.1 270 15 307.5 309.5 294.3 339.9 10.70 6 748 2609 13.6 6.6 63 7.0 9.3 279 8 311.6 313.1 293.6 336.9 8.20 7 719 2942 11.4 5.4 67 6.0 7.8 265 8 312.7 314.2 293.6 337.1 7.85 8 700 3166 10.8 1.8 54 9.0 5.8 265 7 314.4 315.6 292.8 334.1 6.24 9 590 4571 2.8 -31.2 6 34.0 -6.5 315 9 320.9 321.0 289.6 322.6 0.48 10 572 4821 1.2 -8.8 47 10.0 -3.3 311 9 321.9 322.6 292.6 333.2 3.44 11 516 5642 -4.3 -24.3 19 20.0 -10.4 306 13 324.9 325.1 291.3 328.5 1.04 12 500 5890 -5.5 -28.5 14 23.0 -11.8 305 14 326.3 326.5 291.4 329.0 0.73 13 449 6730 -8.1 -56.1 1 48.0 -15.0 299 10 333.3 333.3 292.6 333.4 0.04 14 426 7137 -9.9 -56.9 1 47.0 -16.4 311 11 336.0 336.0 293.4 336.2 0.04 15 400 7620 -13.5 -59.5 1 46.0 -19.1 325 12 337.4 337.4 293.7 337.6 0.03 16 329 9068 -24.9 -38.9 26 14.0 -27.1 283 6 341.2 341.3 295.0 342.7 0.40 17 300 9730 -30.1 -49.1 14 19.0 -32.0 280 8 343.0 343.0 295.1 343.6 0.15 18 292 9922 -31.7 -45.7 24 14.0 -33.2 272 7 343.3 343.4 295.3 344.2 0.22 19 286 10068 -32.7 -61.7 4 29.0 -34.5 266 7 344.0 344.0 295.3 344.1 0.03 20 259 10758 -39.1 -50.1 30 11.0 -39.9 235 5 344.4 344.5 295.5 345.1 0.15 21 257 10811 -39.5 -51.5 27 12.0 -40.3 232 6 344.6 344.6 295.6 345.1 0.13 22 250 11000 -39.5 -76.5 1 37.0 -40.6 220 8 347.3 347.3 296.0 347.4 0.00 23 200 12490 -51.3 -68.3 11 17.0 -51.7 270 11 351.5 351.5 297.0 351.6 0.02 24 186 12956 -55.9 -65.9 28 10.0 -56.1 290 9 351.5 351.5 297.0 351.6 0.03 25 150 14290 -66.9 -80.9 12 14.0 -67.0 310 5 354.8 354.8 297.7 354.9 0.00 26 147 14411 -68.1 -82.1 12 14.0 -68.2 314 5 354.8 354.8 297.7 354.8 0.00 27 117 15754 -75.7 -94.7 4 19.0 -75.7 24 5 364.7 364.7 299.6 364.7 0.00 28 109 16160 -78.7 -92.7 8 14.0 -78.7 56 6 366.5 366.5 299.9 366.5 0.00 29 100 16650 -78.3 -98.3 2 20.0 -78.3 80 5 376.4 376.4 301.6 376.4 0.00 30 87 17440 -82.3 -96.3 7 14.0 -82.3 160 14 383.7 383.7 302.8 383.7 0.00 31 73 18424 -82.5 -96.5 7 14.0 -82.5 171 12 403.0 403.0 305.6 403.0 0.00 32 70 18660 -80.3 -95.3 6 15.0 -80.3 180 11 412.6 412.6 306.8 412.6 0.00 33 64 19165 -78.7 -94.7 6 16.0 -78.7 191 9 426.8 426.8 308.5 426.8 0.00 34 56 19940 -69.7 -96.7 1 27.0 -69.8 180 8 464.0 464.0 312.1 464.0 0.00 35 50 20620 -64.9 -94.9 1 30.0 -65.2 70 12 490.5 490.5 314.2 490.5 0.00 36 49 20743 -64.3 -94.3 1 30.0 -64.7 68 12 494.8 494.8 314.6 494.8 0.00 37 47 20999 -62.1 -92.1 1 30.0 -62.6 65 13 506.0 506.0 315.4 506.0 0.00 38 35 22820 -61.7 -91.7 1 30.0 -62.4 124 10 551.6 551.6 318.2 551.6 0.00 39 33 23188 -57.5 -89.5 1 32.0 -58.6 116 13 572.1 572.1 319.3 572.1 0.00 40 30 23790 -56.7 -88.7 1 32.0 -58.0 100 19 590.1 590.1 320.2 590.1 0.00 41 26 24703 -53.9 -86.9 1 33.0 -55.9 622.7 622.7 321.6 622.7 0.01 TRP 87 17440 -82.3 -96.3 7 14.0 -82.3 160 14 383.7 383.7 302.8 383.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5803.00 m Freezing level: 559.78 mb = 5000.10 m = 16404.33 ft Wetbulb zero: 648.24 mb = 3797.18 m = 12457.78 ft Precipitable water: 1.32 inches Sfc-500 mean rel hum: 43.63 % Est. max temperature: 33.10 C = 91.58 F Sfc-Lift cond lev (LCL): 806.85 mb = 1962.18 m = 6437.54 ft T: 17.63 C 700-500 lapse rate: 5.98 C/km ThetaE index: 14.45 C Layer 700.0- 572.0 mb Conv cond level (CCL): 693.55 mb = 3242.01 m = 10636.38 ft Mean mixing ratio: 11.47 g/kg Conv temperature: 39.37 C = 102.87 F Cap Strength: 4.07 C Lifted Index: 1.28 C Risk: Showers probable Lifted Index @300 mb: 3.98 C Lifted Index @700 mb: 3.10 C Showalter Index: 1.34 C Risk: Showers probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 25.90 C Cross Totals Index: 17.90 C K Index: 29.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 192.80 Risk: None Energy Index: -2.00 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.02 J/kg Max Up Vert Vel: 5.83 m/s Conv Inhibition (B-): 23468.29 J/kg Cap Strength: 4.07 C Lift Cond Lev (LCL): 788.19 mb = 2162.15 m = 7093.59 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 320 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 ---------------------------------------------------------- 0 975 314 0 0 -0.0 -0.0 | 140 7 -4.7 5.7 1 943 610 260 7 6.9 1.2 | 197 7 2.1 6.9 2 925 778 285 5 4.8 -1.3 | 181 4 0.1 4.4 3 911 914 275 12 12.0 -1.0 | 237 9 7.2 4.6 4 879 1219 270 15 15.0 -0.0 | 241 12 10.3 5.7 5 850 1517 270 15 15.0 -0.0 | 241 12 10.3 5.7 6 819 1829 300 11 9.5 -5.5 | 268 5 4.8 0.2 7 790 2134 315 9 6.4 -6.4 | 293 2 1.6 -0.7 8 763 2438 295 9 8.2 -3.8 | 241 4 3.4 1.9 9 736 2743 265 8 8.0 0.7 | 207 7 3.2 6.4 10 700 3166 265 7 7.0 0.6 | 200 7 2.2 6.3 11 659 3658 270 11 11.0 -0.0 | 228 8 6.3 5.7 12 611 4267 320 9 5.8 -6.9 | 320 2 1.0 -1.2 13 567 4877 310 9 6.9 -5.8 | 273 2 2.1 -0.1 14 500 5890 305 14 11.5 -8.0 | 289 7 6.7 -2.4 15 487 6096 280 8 7.9 -1.4 | 216 5 3.1 4.3 16 400 7620 325 12 6.9 -9.8 | 333 5 2.1 -4.2 17 400 7620 325 11 6.3 -9.0 | 335 4 1.6 -3.3 18 325 9144 280 6 5.9 -1.0 | 194 5 1.2 4.6 19 300 9730 280 8 7.9 -1.4 | 216 5 3.1 4.3 20 262 10668 240 4 3.5 2.0 | 171 8 -1.3 7.7 21 250 11000 220 8 5.1 6.1 | 182 12 0.4 11.8 22 209 12192 270 14 14.0 -0.0 | 238 11 9.3 5.7 23 200 12490 270 11 11.0 -0.0 | 228 8 6.3 5.7 24 164 13716 325 6 3.4 -4.9 | 120 2 -1.3 0.8 25 150 14290 310 5 3.8 -3.2 | 160 3 -0.9 2.5 26 127 15240 345 5 1.3 -4.8 | 104 4 -3.5 0.8 27 103 16459 80 6 -5.9 -1.0 | 114 12 -10.7 4.6 28 100 16650 80 5 -4.9 -0.9 | 116 11 -9.7 4.8 29 87 17440 160 14 -4.8 13.2 | 153 21 -9.5 18.8 30 75 18288 165 12 -3.1 11.6 | 156 19 -7.9 17.3 31 70 18660 180 11 0.0 11.0 | 164 17 -4.7 16.7 32 57 19812 205 7 3.0 6.3 | 172 12 -1.8 12.0 33 50 20620 70 12 -11.3 -4.1 | 96 16 -16.0 1.6 34 45 21336 60 14 -12.1 -7.0 | 86 17 -16.9 -1.3 35 35 22860 125 10 -8.2 5.7 | 131 17 -12.9 11.4 36 30 23790 100 19 -18.7 3.3 | 111 25 -23.5 9.0 37 26 24384 100 17 -16.7 3.0 | 112 23 -21.5 8.6 Wind Parameters Mean winds (0-6000m): 290.1 at 9.9 knts Storm direction: 320.1 at 7.4 knts Shear (0-3000m) pos: 1.5 neg: 2.8 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 69.0 deg Storm rel helicity (0-3000m) pos: 26.1 neg: -9.1 tot: 17.0 m^2/s^2 ave: 5.7 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.58 Bulk Shear: 4.75 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 ------------------------------------------------------------------------------- 500 267 5 178 6| 0.0 7.0 7.0| 7.5 -1.6 5.9 11.9 0.42| 13.1 5.4 1000 271 9 216 7| 0.0 7.7 7.7| 14.8 -1.6 13.3 13.3 0.45| 11.0 5.0 1500 274 10 229 8| 2.6 5.1 7.7| 23.0 -1.6 21.4 14.3 0.46| 9.9 4.6 2000 281 10 236 6| 2.3 3.9 6.2| 24.2 -2.4 21.8 10.9 0.39| 8.8 3.4 2500 282 10 234 6| 1.8 3.3 5.2| 24.2 -8.0 16.2 6.5 0.23| 8.2 1.9 3000 280 10 228 6| 1.5 2.8 4.3| 26.1 -9.1 17.0 5.7 0.23| 7.2 1.6 4000 281 10 230 6| 2.0 2.1 4.1| 37.6 -9.1 28.5 7.1 0.33| 6.9 2.3 5000 287 10 237 5| 1.6 2.0 3.6| 38.1 -9.7 28.4 5.7 0.30| 5.8 1.7 6000 290 10 243 5| 1.3 1.7 3.1| 39.6 -20.5 19.2 3.2 0.16| 5.8 0.9 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20250423.00.gif