UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for VTCC... Searching the city database file for: VTCC ... Date:1200Z 26 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 54 SFC 971 314 35.6 16.6 32 19.0 22.3 0 0 311.4 313.7 296.4 349.2 12.33 2 925 756 32.2 15.2 36 17.0 20.4 170 4 312.2 314.5 296.3 348.6 11.82 3 850 1509 25.4 12.4 44 13.0 16.7 200 7 312.8 314.8 295.7 345.8 10.70 4 772 2344 17.8 8.8 56 9.0 12.1 223 6 313.3 315.1 294.8 342.0 9.25 5 771 2355 17.8 8.8 56 9.0 12.1 224 6 313.4 315.2 294.8 342.2 9.26 6 732 2798 15.4 -2.6 29 18.0 5.9 271 5 315.5 316.3 291.5 329.3 4.31 7 720 2938 13.8 3.8 51 10.0 7.9 274 6 315.2 316.6 293.6 337.2 7.00 8 700 3175 12.6 -1.4 38 14.0 5.1 280 7 316.4 317.4 292.3 332.2 4.93 9 698 3199 12.4 -1.6 38 14.0 4.9 281 7 316.5 317.4 292.3 332.1 4.88 10 666 3590 8.8 0.8 57 8.0 4.4 297 10 316.7 317.9 293.3 336.1 6.10 11 601 4432 3.0 -6.0 52 9.0 -1.3 301 7 319.4 320.2 292.4 332.7 4.07 12 500 5900 -5.7 -26.7 17 21.0 -11.6 280 7 326.1 326.3 291.5 329.2 0.86 13 478 6252 -7.9 -34.9 9 27.0 -14.0 256 6 327.6 327.7 291.5 329.1 0.41 14 458 6583 -10.3 -36.3 10 26.0 -15.7 270 7 328.6 328.7 291.7 330.0 0.37 15 448 6754 -10.7 -32.7 15 22.0 -15.8 278 8 330.2 330.3 292.3 332.2 0.55 16 438 6927 -11.3 -19.3 52 8.0 -14.0 285 8 331.6 332.0 293.9 338.3 1.90 17 431 7051 -11.3 -32.3 16 21.0 -16.3 290 9 333.1 333.2 293.2 335.3 0.59 18 424 7177 -12.1 -29.1 23 17.0 -16.4 296 9 333.7 333.8 293.5 336.7 0.81 19 412 7396 -13.9 -34.9 15 21.0 -18.4 305 10 334.1 334.2 293.3 335.9 0.48 20 400 7620 -16.1 -25.1 46 9.0 -18.6 315 11 334.1 334.3 294.0 338.6 1.24 21 393 7752 -16.9 -24.9 50 8.0 -19.1 300 15 334.7 335.0 294.1 339.4 1.29 22 392 7771 -17.1 -25.1 50 8.0 -19.3 299 15 334.7 335.0 294.1 339.3 1.27 23 371 8180 -19.7 -29.7 41 10.0 -22.0 282 16 336.6 336.7 294.3 339.8 0.88 24 365 8301 -19.9 -51.9 4 32.0 -23.8 276 16 337.9 337.9 293.9 338.2 0.09 25 354 8526 -22.1 -31.1 44 9.0 -24.0 267 17 337.9 338.0 294.6 340.9 0.81 26 347 8672 -22.9 -43.9 13 21.0 -25.8 261 17 338.7 338.8 294.2 339.6 0.22 27 328 9081 -25.7 -53.7 5 28.0 -28.5 243 18 340.4 340.4 294.5 340.7 0.08 28 324 9169 -26.5 -45.5 15 19.0 -28.8 240 18 340.5 340.5 294.6 341.3 0.20 29 322 9214 -26.5 -33.5 52 7.0 -27.8 238 18 341.1 341.2 295.2 343.7 0.70 30 304 9626 -29.1 -46.1 18 17.0 -31.0 228 16 343.1 343.1 295.3 343.9 0.20 31 300 9720 -29.9 -44.9 22 15.0 -31.6 225 15 343.2 343.3 295.3 344.2 0.23 32 274 10358 -35.1 -45.1 35 10.0 -36.1 232 14 344.7 344.8 295.7 345.7 0.25 33 250 10990 -39.5 -52.5 24 13.0 -40.4 240 14 347.3 347.4 296.1 347.8 0.12 34 219 11883 -45.9 -61.9 15 16.0 -46.5 247 22 350.9 350.9 296.8 351.0 0.04 35 210 12161 -48.5 -71.5 5 23.0 -49.0 250 25 351.0 351.0 296.8 351.1 0.01 36 200 12480 -50.9 -71.9 7 21.0 -51.3 255 30 352.2 352.2 297.1 352.2 0.01 37 164 13741 -62.1 -74.1 19 12.0 -62.2 260 21 353.9 354.0 297.5 354.0 0.01 38 155 14089 -63.3 -75.3 18 12.0 -63.4 263 22 357.7 357.7 298.2 357.7 0.01 39 150 14290 -65.1 -76.1 20 11.0 -65.2 265 23 357.9 357.9 298.3 358.0 0.01 40 145 14495 -66.9 -76.9 23 10.0 -67.0 264 21 358.3 358.3 298.4 358.3 0.01 41 141 14663 -68.7 -78.7 22 10.0 -68.8 263 19 358.0 358.0 298.3 358.0 0.01 42 108 16216 -79.5 -89.5 18 10.0 -79.5 224 8 366.0 366.0 299.8 366.0 0.00 43 100 16650 -81.5 -90.5 20 9.0 -81.5 195 9 370.3 370.3 300.6 370.3 0.00 44 89 17298 -83.9 -93.9 16 10.0 -83.9 175 19 378.0 378.0 301.9 378.0 0.00 45 87 17424 -83.9 -93.9 16 10.0 -83.9 154 18 380.5 380.5 302.3 380.5 0.00 46 84 17619 -82.3 -95.3 9 13.0 -82.3 122 16 387.6 387.6 303.4 387.6 0.00 47 82 17755 -76.9 -90.9 9 14.0 -76.9 100 15 401.3 401.3 305.4 401.3 0.00 48 70 18660 -78.3 -93.3 7 15.0 -78.3 30 6 416.9 416.9 307.3 416.9 0.00 49 61 19444 -78.9 -93.9 7 15.0 -78.9 272 9 432.3 432.3 309.1 432.3 0.00 50 55 20049 -68.5 -88.5 4 20.0 -68.7 254 8 469.1 469.1 312.5 469.1 0.00 51 51 20501 -69.3 -88.3 5 19.0 -69.5 314 5 477.5 477.5 313.2 477.5 0.00 52 50 20620 -67.7 -86.7 5 19.0 -67.9 330 4 484.0 484.0 313.8 484.0 0.00 53 47 20996 -63.5 -84.5 4 21.0 -63.9 40 9 502.7 502.7 315.1 502.7 0.01 54 32 23390 -57.9 -81.9 3 24.0 -59.0 74 5 576.1 576.1 319.5 576.2 0.02 55 30 23800 -54.9 -78.9 4 24.0 -56.5 70 5 595.0 595.0 320.4 595.2 0.03 56 27 24485 -47.7 -74.7 3 27.0 -51.0 66 11 633.4 633.4 322.0 633.8 0.06 57 25 24993 -47.9 -75.9 3 28.0 -51.4 646.9 646.9 322.6 647.3 0.05 TRP 89 17298 -83.9 -93.9 16 10.0 -83.9 175 19 378.0 378.0 301.9 378.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5846.00 m Freezing level: 566.17 mb = 4938.05 m = 16200.77 ft Wetbulb zero: 616.19 mb = 4227.26 m = 13868.79 ft Precipitable water: 1.41 inches Sfc-500 mean rel hum: 42.62 % Est. max temperature: 37.20 C = 98.96 F Sfc-Lift cond lev (LCL): 738.78 mb = 2719.10 m = 8920.81 ft T: 15.83 C 700-500 lapse rate: 6.72 C/km ThetaE index: 12.87 C Layer 732.0- 720.0 mb Conv cond level (CCL): 679.75 mb = 3419.83 m = 11219.77 ft Mean mixing ratio: 11.71 g/kg Conv temperature: 40.80 C = 105.45 F Cap Strength: 2.85 C Lifted Index: -2.09 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.56 C Lifted Index @700 mb: 2.50 C Showalter Index: -1.21 C Risk: Thunderstorms probable Total Totals Index: 49.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 31.10 C Cross Totals Index: 18.10 C K Index: 29.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 173.80 Risk: None Energy Index: -3.12 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 363.85 J/kg Max Up Vert Vel: 26.98 m/s Conv Inhibition (B-): 123.67 J/kg Cap Strength: 3.05 C Lift Cond Lev (LCL): 722.64 mb = 2906.65 m = 9536.14 ft Lev Free Conv (LFC): 637.64 mb = 3946.74 m = 12948.45 ft Equ Level (EL): 257.64 mb = 10782.32 m = 35374.63 ft B at Equ Level: 360.55 J/kg Max Parcel Lev (MPL): 157.64 mb = 13984.77 m = 45881.23 ft Wind level data Storm motion: 294 at 6 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 ---------------------------------------------------------- 0 971 314 0 0 -0.0 -0.0 | 114 6 -5.1 2.3 1 940 610 200 9 3.1 8.5 | 169 11 -2.1 10.7 2 925 756 170 4 -0.7 3.9 | 137 9 -5.8 6.2 3 909 914 200 7 2.4 6.6 | 163 9 -2.8 8.9 4 878 1219 200 7 2.4 6.6 | 163 9 -2.8 8.9 5 850 1509 200 7 2.4 6.6 | 163 9 -2.8 8.9 6 819 1829 190 8 1.4 7.9 | 160 11 -3.8 10.2 7 790 2134 210 8 4.0 6.9 | 173 9 -1.1 9.2 8 763 2438 230 5 3.8 3.2 | 167 6 -1.3 5.5 9 736 2743 270 5 5.0 -0.0 | 176 2 -0.1 2.3 10 700 3175 280 7 6.9 -1.2 | 239 2 1.7 1.1 11 660 3658 300 10 8.7 -5.0 | 308 4 3.5 -2.7 12 612 4267 305 6 4.9 -3.4 | 11 1 -0.2 -1.2 13 567 4877 290 12 11.3 -4.1 | 287 6 6.1 -1.8 14 500 5900 280 7 6.9 -1.2 | 239 2 1.7 1.1 15 487 6096 250 5 4.7 1.7 | 174 4 -0.4 4.0 16 400 7620 315 11 7.8 -7.8 | 334 6 2.6 -5.5 17 400 7620 305 15 12.3 -8.6 | 312 10 7.1 -6.3 18 325 9144 240 18 15.6 9.0 | 223 15 10.4 11.3 19 300 9720 225 15 10.6 10.6 | 203 14 5.5 12.9 20 262 10668 235 14 11.5 8.0 | 212 12 6.3 10.3 21 250 10990 240 14 12.1 7.0 | 217 12 7.0 9.3 22 209 12192 250 25 23.5 8.6 | 239 21 18.3 10.8 23 200 12480 255 30 29.0 7.8 | 247 26 23.8 10.0 24 164 13716 260 21 20.7 3.6 | 249 17 15.5 5.9 25 150 14290 265 23 22.9 2.0 | 256 18 17.8 4.3 26 127 15240 260 13 12.8 2.3 | 239 9 7.7 4.5 27 103 16459 215 7 4.0 5.7 | 172 8 -1.1 8.0 28 100 16650 195 9 2.3 8.7 | 166 11 -2.8 11.0 29 89 17298 175 19 -1.7 18.9 | 162 22 -6.8 21.2 30 75 18288 15 11 -2.8 -10.6 | 44 12 -8.0 -8.3 31 70 18660 30 6 -3.0 -5.2 | 70 9 -8.1 -2.9 32 57 19812 220 10 6.4 7.7 | 187 10 1.3 9.9 33 50 20620 330 4 2.0 -3.5 | 69 3 -3.1 -1.2 34 45 21336 100 14 -13.8 2.4 | 104 20 -18.9 4.7 35 35 22860 80 4 -3.9 -0.7 | 100 9 -9.1 1.6 36 30 23800 70 5 -4.7 -1.7 | 93 10 -9.8 0.6 37 26 24384 65 12 -10.9 -5.1 | 80 16 -16.0 -2.8 Wind Parameters Mean winds (0-6000m): 263.9 at 7.5 knts Storm direction: 293.9 at 5.6 knts Shear (0-3000m) pos: 2.1 neg: 1.1 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 152.6 deg Storm rel helicity (0-3000m) pos: 18.2 neg: -17.9 tot: 0.3 m^2/s^2 ave: 0.1 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 1.0 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 49.24 Bulk Shear: 7.39 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 ------------------------------------------------------------------------------- 500 194 5 152 8| 0.0 5.2 5.2| 3.1 -15.5 -12.5 -24.9 -0.11| 21.0 -2.4 1000 197 6 157 9| 1.4 2.6 4.0| 9.5 -15.5 -6.0 -6.0 0.02| 11.9 0.2 1500 197 6 159 9| 0.9 2.2 3.1| 9.5 -16.9 -7.3 -4.9 -0.00| 8.5 -0.0 2000 199 7 161 9| 1.4 1.6 3.0| 15.7 -17.2 -1.5 -0.8 0.07| 7.6 0.5 2500 206 6 164 8| 1.8 1.3 3.2| 16.6 -17.9 -1.3 -0.5 0.08| 7.2 0.5 3000 217 6 170 8| 2.1 1.1 3.1| 18.2 -17.9 0.3 0.1 0.15| 6.5 1.0 4000 244 7 191 5| 1.5 0.8 2.3| 21.5 -18.0 3.5 0.9 0.22| 5.7 1.2 5000 260 8 213 4| 1.2 0.8 2.0| 21.5 -22.2 -0.7 -0.1 0.10| 5.4 0.6 6000 264 8 217 4| 1.0 0.9 2.0| 22.4 -25.9 -3.5 -0.6 0.03| 5.2 0.1 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20250426.12.gif