UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for VTCC... Searching the city database file for: VTCC ... Date:0000Z 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 90 SFC 975 314 27.6 17.6 54 10.0 20.7 0 0 302.9 305.4 294.7 341.7 13.09 2 925 780 26.6 15.6 51 11.0 19.1 220 8 306.5 308.8 295.0 343.0 12.14 3 878 1240 24.8 13.8 50 11.0 17.4 205 10 309.2 311.4 295.3 343.8 11.37 4 850 1524 22.6 13.6 57 9.0 16.5 205 10 309.8 312.0 295.6 345.2 11.60 5 725 2884 12.2 6.2 67 6.0 8.6 112 5 312.8 314.4 293.9 338.4 8.23 6 700 3178 11.0 1.0 50 10.0 5.5 115 5 314.7 315.8 292.6 333.2 5.89 7 633 4008 4.6 -8.4 38 13.0 -1.3 255 12 316.6 317.2 290.9 327.0 3.20 8 625 4112 4.0 -8.0 41 12.0 -1.5 272 14 317.0 317.7 291.1 327.9 3.35 9 607 4350 4.8 -24.2 10 29.0 -4.6 301 16 320.6 320.8 289.9 323.7 0.89 10 557 5048 1.4 -32.6 6 34.0 -7.7 305 13 324.6 324.7 290.6 326.2 0.44 11 537 5342 0.2 -29.8 8 30.0 -8.3 305 12 326.5 326.7 291.3 328.7 0.60 12 500 5910 -4.5 -33.5 8 29.0 -11.6 305 9 327.6 327.6 291.5 329.2 0.45 13 420 7244 -16.3 -42.3 9 26.0 -20.4 303 12 329.2 329.2 291.7 330.0 0.22 14 404 7535 -15.7 -42.7 8 27.0 -20.1 304 13 333.6 333.7 292.9 334.5 0.22 15 400 7610 -16.3 -42.3 9 26.0 -20.6 305 13 333.8 333.9 293.0 334.7 0.23 16 363 8334 -21.7 -55.7 3 34.0 -25.2 267 12 336.0 336.0 293.4 336.2 0.06 17 321 9234 -26.1 -57.1 4 31.0 -28.9 236 9 341.9 341.9 294.8 342.1 0.05 18 300 9720 -30.3 -59.3 4 29.0 -32.4 240 9 342.7 342.7 295.0 342.9 0.04 19 250 10990 -40.9 -63.9 7 23.0 -41.8 260 9 345.3 345.3 295.6 345.4 0.03 20 232 11494 -45.1 -62.1 13 17.0 -45.7 256 9 346.3 346.3 295.8 346.5 0.04 21 200 12470 -52.9 -70.9 10 18.0 -53.2 250 8 349.0 349.0 296.4 349.1 0.01 22 160 13868 -64.1 -77.1 15 13.0 -64.2 235 16 353.1 353.1 297.3 353.1 0.01 23 150 14260 -66.3 -80.3 12 14.0 -66.4 250 13 355.9 355.9 297.9 355.9 0.00 24 105 16353 -78.7 -92.7 8 14.0 -78.7 302 11 370.5 370.5 300.7 370.5 0.00 25 100 16630 -79.3 -93.3 8 14.0 -79.3 310 10 374.5 374.5 301.4 374.5 0.00 26 82 17742 -84.3 -97.3 8 13.0 -84.3 135 10 386.2 386.2 303.2 386.2 0.00 27 70 18630 -78.5 -95.5 5 17.0 -78.6 175 9 416.4 416.4 307.3 416.4 0.00 28 66 18970 -75.1 -94.1 4 19.0 -75.2 197 8 430.9 430.9 308.9 430.9 0.00 29 55 20034 -73.7 -92.7 4 19.0 -73.8 251 6 457.2 457.2 311.5 457.2 0.00 30 54 20143 -68.9 -88.9 4 20.0 -69.1 252 7 470.6 470.7 312.7 470.7 0.00 31 51 20489 -64.9 -87.9 3 23.0 -65.2 254 8 487.8 487.8 314.1 487.8 0.00 32 50 20610 -65.5 -88.5 3 23.0 -65.8 255 9 489.1 489.1 314.1 489.1 0.00 33 38 22303 -61.9 -87.9 2 26.0 -62.5 75 17 538.2 538.2 317.4 538.3 0.00 34 31 23597 -51.9 -81.9 2 30.0 -54.0 107 20 597.5 597.5 320.5 597.6 0.02 35 30 23810 -53.3 -83.3 1 30.0 -55.2 105 20 599.3 599.3 320.6 599.4 0.01 36 28 24254 -53.5 -83.5 1 30.0 -55.5 110 21 610.7 610.7 321.1 610.8 0.01 37 23 25528 -50.5 -82.5 1 32.0 -53.5 654.9 654.9 322.9 655.0 0.02 TRP 82 17742 -84.3 -97.3 8 13.0 -84.3 135 10 386.2 386.2 303.2 386.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5820.00 m Freezing level: 535.43 mb = 5366.12 m = 17605.15 ft Wetbulb zero: 645.62 mb = 3845.49 m = 12616.27 ft Precipitable water: 1.34 inches Sfc-500 mean rel hum: 39.32 % Est. max temperature: 35.03 C = 95.05 F Sfc-Lift cond lev (LCL): 842.83 mb = 1596.42 m = 5237.54 ft T: 22.05 C 700-500 lapse rate: 5.67 C/km ThetaE index: 18.20 C Layer 725.0- 625.0 mb Conv cond level (CCL): 713.28 mb = 3020.56 m = 9909.84 ft Mean mixing ratio: 12.16 g/kg Conv temperature: 38.27 C = 100.89 F Cap Strength: 4.56 C Lifted Index: 1.11 C Risk: Showers probable Lifted Index @300 mb: 2.02 C Lifted Index @700 mb: 2.43 C Showalter Index: 0.23 C Risk: Thunderstorms probable Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.10 C Cross Totals Index: 18.10 C K Index: 30.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 192.20 Risk: None Energy Index: -2.96 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 83.59 J/kg Max Up Vert Vel: 12.93 m/s Conv Inhibition (B-): 405.83 J/kg Cap Strength: 4.56 C Lift Cond Lev (LCL): 789.50 mb = 2155.31 m = 7071.16 ft Lev Free Conv (LFC): 474.50 mb = 6310.60 m = 20703.83 ft Equ Level (EL): 394.50 mb = 7713.28 m = 25305.72 ft B at Equ Level: 81.46 J/kg Max Parcel Lev (MPL): 294.50 mb = 9848.86 m = 32312.15 ft Wind level data Storm motion: 294 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 | 114 7 -6.3 2.8 1 943 610 225 8 5.7 5.7 | 176 9 -0.6 8.5 2 925 780 220 8 5.1 6.1 | 173 9 -1.1 9.0 3 911 914 230 8 6.1 5.1 | 179 8 -0.2 8.0 4 880 1219 205 10 4.2 9.1 | 170 12 -2.1 11.9 5 850 1524 205 10 4.2 9.1 | 170 12 -2.1 11.9 6 820 1829 215 8 4.6 6.6 | 170 10 -1.7 9.4 7 791 2134 190 7 1.2 6.9 | 152 11 -5.1 9.7 8 763 2438 190 4 0.7 3.9 | 140 9 -5.6 6.8 9 737 2743 110 5 -4.7 1.7 | 112 12 -11.0 4.5 10 700 3178 115 5 -4.5 2.1 | 115 12 -10.8 4.9 11 660 3658 200 8 2.7 7.5 | 161 11 -3.6 10.3 12 612 4267 300 16 13.9 -8.0 | 304 9 7.6 -5.2 13 568 4877 305 14 11.5 -8.0 | 315 7 5.2 -5.2 14 500 5910 305 9 7.4 -5.2 | 335 3 1.1 -2.3 15 488 6096 295 9 8.2 -3.8 | 297 2 1.9 -1.0 16 400 7610 305 13 10.6 -7.5 | 317 6 4.4 -4.6 17 399 7620 295 14 12.7 -5.9 | 296 7 6.4 -3.1 18 325 9144 235 9 7.4 5.2 | 188 8 1.1 8.0 19 300 9720 240 9 7.8 4.5 | 192 7 1.5 7.3 20 262 10668 265 12 12.0 1.0 | 236 7 5.7 3.9 21 250 10990 260 9 8.9 1.6 | 210 5 2.6 4.4 22 209 12192 250 10 9.4 3.4 | 206 7 3.1 6.3 23 200 12470 250 8 7.5 2.7 | 192 6 1.2 5.6 24 164 13716 230 17 13.0 10.9 | 206 15 6.7 13.8 25 150 14260 250 13 12.2 4.4 | 219 9 5.9 7.3 26 127 15240 275 14 13.9 -1.2 | 258 8 7.7 1.6 27 103 16459 305 11 9.0 -6.3 | 322 4 2.7 -3.5 28 100 16630 310 10 7.7 -6.4 | 339 4 1.4 -3.6 29 82 17742 135 10 -7.1 7.1 | 127 17 -13.4 9.9 30 74 18288 185 12 1.0 12.0 | 160 16 -5.2 14.8 31 70 18630 175 9 -0.8 9.0 | 149 14 -7.1 11.8 32 57 19812 250 5 4.7 1.7 | 161 5 -1.6 4.5 33 50 20610 255 9 8.7 2.3 | 205 6 2.4 5.2 34 45 21336 360 14 -0.0 -14.0 | 29 13 -6.3 -11.2 35 35 22860 115 19 -17.2 8.0 | 115 26 -23.5 10.9 36 30 23810 105 20 -19.3 5.2 | 107 27 -25.6 8.0 37 26 24384 115 21 -19.0 8.9 | 115 28 -25.3 11.7 Wind Parameters Mean winds (0-6000m): 264.2 at 9.2 knts Storm direction: 294.2 at 6.9 knts Shear (0-3000m) pos: 0.2 neg: 1.1 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 11.4 deg Storm rel helicity (0-3000m) pos: 15.2 neg: -35.5 tot: -20.3 m^2/s^2 ave: -6.8 10^-3 m/s^2 rel: -0.13 Storm rel vorticity (0-3000m) horiz: 6.2 stream: -0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 16.67 Bulk Shear: 5.01 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 ------------------------------------------------------------------------------- 500 223 6 161 7| 0.0 8.2 8.2| 4.8 -2.3 2.5 4.9 0.30| 13.4 4.0 1000 219 7 169 9| 0.0 5.1 5.1| 6.3 -6.6 -0.3 -0.3 0.16| 9.5 1.5 1500 214 8 169 10| 0.8 3.4 4.3| 6.4 -6.8 -0.4 -0.3 0.14| 7.2 1.0 2000 211 8 166 10| 0.6 1.9 2.6| 6.4 -18.5 -12.0 -6.0 -0.05| 6.7 -0.3 2500 205 7 161 10| 0.5 1.3 1.8| 6.4 -35.5 -29.1 -11.6 -0.22| 6.8 -1.5 3000 196 7 155 10| 0.2 1.1 1.3| 15.2 -35.5 -20.3 -6.8 -0.13| 6.2 -0.8 4000 212 8 167 10| 2.9 0.8 3.7| 89.3 -35.5 53.7 13.4 0.37| 8.5 3.2 5000 249 9 199 6| 1.9 0.7 2.6| 93.1 -35.5 57.5 11.5 0.38| 7.3 2.7 6000 264 9 217 5| 1.6 0.8 2.4| 94.1 -36.4 57.7 9.6 0.35| 6.5 2.3 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20250426.00.gif