UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for VTCC... Searching the city database file for: VTCC ... Date:0000Z 20 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 97 SFC 976 314 25.0 16.0 57 9.0 18.9 0 0 300.2 302.4 293.0 334.8 11.79 2 942 623 25.0 15.0 54 10.0 18.3 230 5 303.3 305.4 293.6 337.3 11.45 3 925 781 23.8 14.8 57 9.0 17.8 225 6 303.6 305.8 293.8 337.9 11.52 4 881 1207 22.4 12.4 53 10.0 15.8 312 3 306.5 308.4 293.7 337.6 10.32 5 850 1518 20.2 11.2 56 9.0 14.4 310 3 307.3 309.2 293.6 337.2 9.88 6 819 1837 18.2 8.2 52 10.0 12.0 200 10 308.5 310.0 292.8 334.0 8.36 7 785 2199 14.8 8.8 67 6.0 11.1 186 12 308.6 310.3 293.4 336.3 9.09 8 755 2527 12.8 7.8 72 5.0 9.7 195 11 309.9 311.5 293.6 336.9 8.83 9 707 3077 10.2 -4.8 34 15.0 2.8 214 14 312.9 313.6 290.2 324.9 3.78 10 700 3160 9.6 -4.4 37 14.0 2.7 215 14 313.1 313.9 290.5 325.7 3.94 11 679 3412 8.8 -7.2 31 16.0 1.3 225 16 315.0 315.6 290.5 325.5 3.28 12 641 3886 5.8 -11.2 28 17.0 -1.4 237 21 316.8 317.3 290.3 325.1 2.53 13 613 4249 2.4 -4.6 60 7.0 -1.0 240 24 316.9 317.8 292.0 331.2 4.44 14 612 4262 2.4 -4.6 60 7.0 -1.0 240 24 317.1 318.0 292.1 331.4 4.44 15 564 4921 1.6 -27.4 9 29.0 -7.1 244 21 323.6 323.8 290.6 326.2 0.72 16 562 4950 1.4 -24.6 12 26.0 -6.8 244 21 323.7 323.9 290.9 327.0 0.93 17 501 5864 -4.7 -13.7 49 9.0 -8.3 225 20 327.1 327.6 293.3 336.2 2.65 18 500 5880 -4.7 -13.7 49 9.0 -8.3 225 20 327.3 327.8 293.4 336.4 2.65 19 486 6103 -4.9 -30.9 11 26.0 -11.8 240 27 329.7 329.9 292.2 331.9 0.60 20 430 7050 -11.9 -24.9 33 13.0 -15.6 249 28 332.6 332.8 293.5 336.8 1.18 21 413 7357 -12.9 -44.9 5 32.0 -18.3 253 28 335.1 335.2 293.3 335.8 0.17 22 400 7600 -14.5 -45.5 5 31.0 -19.5 255 28 336.1 336.2 293.5 336.8 0.16 23 379 8007 -16.5 -60.5 1 44.0 -21.3 254 30 338.7 338.7 294.0 338.9 0.03 24 376 8067 -16.9 -57.9 2 41.0 -21.6 254 30 339.0 339.0 294.1 339.1 0.04 25 304 9625 -28.9 -64.9 2 36.0 -31.3 273 30 343.3 343.4 295.1 343.4 0.02 26 300 9720 -29.7 -58.7 4 29.0 -31.9 275 30 343.5 343.5 295.2 343.7 0.05 27 284 10107 -32.9 -46.9 23 14.0 -34.3 277 27 344.4 344.4 295.6 345.2 0.20 28 281 10181 -33.7 -47.7 23 14.0 -35.0 277 27 344.3 344.3 295.5 345.0 0.18 29 269 10485 -34.9 -62.9 4 28.0 -36.5 279 24 346.8 346.8 296.0 347.0 0.03 30 263 10641 -35.9 -57.9 9 22.0 -37.3 280 23 347.6 347.6 296.1 347.9 0.06 31 250 10990 -38.7 -66.7 4 28.0 -39.9 285 27 348.5 348.5 296.3 348.6 0.02 32 200 12480 -51.9 -70.9 8 19.0 -52.2 260 29 350.6 350.6 296.8 350.6 0.01 33 194 12677 -53.5 -72.5 8 19.0 -53.8 259 29 351.1 351.1 296.9 351.1 0.01 34 182 13084 -56.9 -74.9 9 18.0 -57.1 258 29 352.0 352.0 297.1 352.1 0.01 35 169 13549 -61.1 -70.1 29 9.0 -61.2 256 29 352.6 352.6 297.2 352.7 0.02 36 155 14081 -65.1 -94.1 1 29.0 -65.2 233 19 354.6 354.6 297.6 354.6 0.00 37 150 14280 -66.9 -85.9 5 19.0 -67.0 220 14 354.8 354.8 297.7 354.8 0.00 38 143 14566 -69.3 -82.3 13 13.0 -69.4 258 13 355.5 355.5 297.8 355.6 0.00 39 135 14908 -70.7 -81.7 18 11.0 -70.8 303 11 359.0 359.0 298.5 359.0 0.00 40 107 16255 -78.5 -94.5 6 16.0 -78.5 48 6 368.9 368.9 300.4 368.9 0.00 41 100 16640 -78.7 -95.7 5 17.0 -78.7 60 7 375.7 375.7 301.5 375.7 0.00 42 10 29748 -78.9 -94.9 6 16.0 -79.1 725.0 725.0 325.2 725.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5783.00 m Freezing level: 548.00 mb = 5159.61 m = 16927.64 ft Wetbulb zero: 660.94 mb = 3633.91 m = 11922.13 ft Precipitable water: 1.26 inches Sfc-500 mean rel hum: 44.92 % Est. max temperature: 32.92 C = 91.26 F Sfc-Lift cond lev (LCL): 855.43 mb = 1462.72 m = 4798.88 ft T: 20.59 C 700-500 lapse rate: 5.26 C/km ThetaE index: 11.99 C Layer 707.0- 700.0 mb Conv cond level (CCL): 710.19 mb = 3039.56 m = 9972.18 ft Mean mixing ratio: 11.21 g/kg Conv temperature: 37.37 C = 99.26 F Cap Strength: 4.46 C Lifted Index: 3.25 C Risk: None Lifted Index @300 mb: 6.08 C Lifted Index @700 mb: 2.84 C Showalter Index: 3.25 C Risk: None Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 24.90 C Cross Totals Index: 15.90 C K Index: 22.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 160.40 Risk: None Energy Index: -0.13 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.97 J/kg Max Up Vert Vel: 6.63 m/s Conv Inhibition (B-): 33524.25 J/kg Cap Strength: 4.46 C Lift Cond Lev (LCL): 804.13 mb = 1993.53 m = 6540.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 261 at 11 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 ---------------------------------------------------------- 0 976 314 0 0 -0.0 -0.0 | 81 11 -11.1 -1.8 1 943 610 230 5 3.8 3.2 | 101 7 -7.2 1.5 2 925 781 225 6 4.2 4.2 | 110 7 -6.8 2.5 3 911 914 345 2 0.5 -1.9 | 71 11 -10.5 -3.7 4 880 1219 310 3 2.3 -1.9 | 67 10 -8.8 -3.7 5 850 1518 310 3 2.3 -1.9 | 67 10 -8.8 -3.7 6 819 1829 200 10 3.4 9.4 | 135 11 -7.6 7.6 7 790 2134 185 12 1.0 12.0 | 136 14 -10.0 10.2 8 762 2438 190 10 1.7 9.8 | 131 12 -9.3 8.1 9 735 2743 210 13 6.5 11.3 | 154 11 -4.6 9.5 10 700 3160 215 14 8.0 11.5 | 163 10 -3.0 9.7 11 658 3658 235 19 15.6 10.9 | 206 10 4.5 9.1 12 610 4267 240 24 20.8 12.0 | 224 14 9.7 10.2 13 566 4877 245 21 19.0 8.9 | 228 11 8.0 7.1 14 500 5880 225 20 14.1 14.1 | 194 13 3.1 12.4 15 486 6096 240 27 23.4 13.5 | 226 17 12.3 11.7 16 400 7600 255 28 27.0 7.2 | 251 17 16.0 5.5 17 399 7620 250 29 27.3 9.9 | 243 18 16.2 8.2 18 324 9144 265 32 31.9 2.8 | 267 21 20.8 1.0 19 300 9720 275 30 29.9 -2.6 | 283 19 18.8 -4.4 20 262 10668 280 23 22.7 -4.0 | 296 13 11.6 -5.8 21 250 10990 285 27 26.1 -7.0 | 300 17 15.0 -8.7 22 209 12192 260 28 27.6 4.9 | 259 17 16.5 3.1 23 200 12480 260 29 28.6 5.0 | 259 18 17.5 3.3 24 164 13716 255 29 28.0 7.5 | 251 18 16.9 5.7 25 150 14280 220 14 9.0 10.7 | 167 9 -2.1 9.0 26 127 15240 350 9 1.6 -8.9 | 42 14 -9.5 -10.6 27 103 16459 60 5 -4.3 -2.5 | 75 16 -15.4 -4.3 28 100 16640 60 7 -6.1 -3.5 | 73 18 -17.1 -5.3 Wind Parameters Mean winds (0-6000m): 231.0 at 14.9 knts Storm direction: 261.0 at 11.2 knts Shear (0-3000m) pos: 1.1 neg: 2.5 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 94.3 deg Storm rel helicity (0-3000m) pos: 44.6 neg: -18.7 tot: 25.8 m^2/s^2 ave: 8.6 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.32 Bulk Shear: 16.63 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 ------------------------------------------------------------------------------- 500 229 4 95 8| 0.0 5.2 5.2| 9.0 -8.3 0.6 1.3 0.06| 11.2 0.6 1000 257 3 82 8| 2.1 2.6 4.7| 9.0 -15.0 -6.0 -6.0 -0.13| 9.3 -1.2 1500 253 4 85 7| 1.4 4.7 6.1| 20.2 -15.0 5.2 3.5 0.16| 10.8 1.8 2000 214 6 111 8| 1.1 3.7 4.8| 20.7 -17.5 3.2 1.6 0.13| 9.5 1.2 2500 208 7 119 9| 0.8 3.0 3.8| 35.3 -18.7 16.5 6.6 0.21| 8.8 1.9 3000 210 8 127 9| 1.1 2.5 3.6| 44.6 -18.7 25.8 8.6 0.27| 7.9 2.1 4000 223 11 152 7| 2.2 1.9 4.0| 70.7 -18.7 51.9 13.0 0.38| 7.3 2.8 5000 230 13 173 7| 1.6 1.7 3.3| 73.4 -27.6 45.9 9.2 0.31| 6.5 2.0 6000 231 15 184 8| 2.2 1.6 3.8|108.6 -38.2 70.4 11.7 0.33| 6.6 2.1 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20250420.00.gif