UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for VTCC... Searching the city database file for: VTCC ... Date:1200Z 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 35 SFC 970 314 35.4 17.4 35 18.0 22.6 0 0 311.2 313.7 296.8 351.1 12.99 2 925 742 32.2 14.2 34 18.0 19.9 210 7 312.2 314.3 295.8 346.3 11.07 3 850 1494 25.6 11.6 42 14.0 16.3 230 12 313.0 314.9 295.4 344.3 10.15 4 700 3159 10.8 4.8 66 6.0 7.2 290 9 314.4 315.9 294.0 338.6 7.73 5 694 3231 10.2 4.2 66 6.0 6.7 293 9 314.6 316.0 293.8 338.0 7.47 6 613 4251 4.6 -6.4 45 11.0 -0.7 286 9 319.5 320.2 292.3 332.1 3.86 7 589 4577 4.8 -16.2 20 21.0 -3.5 302 8 323.4 323.7 291.6 329.6 1.83 8 568 4872 3.2 -16.8 21 20.0 -4.6 319 7 324.9 325.2 292.0 331.1 1.81 9 500 5890 -4.5 -26.5 16 22.0 -10.9 335 14 327.6 327.7 291.9 330.7 0.88 10 492 6017 -5.5 -22.5 25 17.0 -10.9 335 15 327.8 328.1 292.3 332.4 1.28 11 415 7338 -11.7 -48.7 3 37.0 -17.6 319 17 336.2 336.2 293.5 336.7 0.11 12 412 7394 -11.7 -41.7 6 30.0 -17.4 318 17 336.9 337.0 293.8 337.9 0.24 13 400 7620 -13.7 -39.7 9 26.0 -18.7 315 17 337.2 337.2 293.9 338.4 0.30 14 337 8894 -24.1 -41.1 19 17.0 -26.6 289 10 339.9 340.0 294.6 341.2 0.31 15 304 9636 -29.9 -48.9 14 19.0 -31.8 298 8 341.9 342.0 294.9 342.5 0.15 16 300 9730 -30.5 -51.5 11 21.0 -32.4 300 8 342.4 342.4 295.0 342.9 0.11 17 250 11010 -39.5 -58.5 12 19.0 -40.5 345 18 347.3 347.4 296.1 347.6 0.06 18 200 12490 -51.3 -66.3 15 15.0 -51.7 275 5 351.5 351.5 297.0 351.6 0.03 19 175 13344 -58.3 -71.3 17 13.0 -58.5 320 6 353.7 353.7 297.4 353.8 0.01 20 150 14300 -64.3 -78.3 13 14.0 -64.4 55 9 359.3 359.3 298.5 359.3 0.01 21 122 15535 -73.7 -87.7 10 14.0 -73.7 127 12 364.0 364.0 299.5 364.0 0.00 22 108 16240 -77.1 -89.1 13 12.0 -77.1 160 10 370.5 370.5 300.7 370.5 0.00 23 100 16680 -78.7 -92.7 8 14.0 -78.7 160 14 375.7 375.7 301.5 375.7 0.00 24 88 17402 -82.5 -93.5 13 11.0 -82.5 295 2 382.0 382.0 302.6 382.0 0.00 25 77 18157 -78.3 -93.3 7 15.0 -78.3 12 17 405.7 405.7 306.0 405.7 0.00 26 70 18700 -79.3 -94.3 7 15.0 -79.3 50 18 414.7 414.7 307.1 414.7 0.00 27 68 18865 -79.5 -94.5 7 15.0 -79.6 70 17 417.8 417.8 307.4 417.8 0.00 28 50 20660 -68.5 -88.5 4 20.0 -68.7 185 11 482.1 482.1 313.6 482.1 0.00 29 49 20782 -67.1 -87.1 4 20.0 -67.3 187 11 488.2 488.2 314.1 488.2 0.00 30 34 23029 -60.9 -83.9 3 23.0 -61.6 36 10 558.3 558.3 318.5 558.3 0.01 31 30 23820 -55.1 -81.1 3 26.0 -56.6 60 8 594.4 594.4 320.3 594.6 0.02 32 29 24036 -55.3 -81.3 3 26.0 -56.9 599.7 599.7 320.6 599.8 0.02 TRP 88 17402 -82.5 -93.5 13 11.0 -82.5 295 2 382.0 382.0 302.6 382.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5855.00 m Freezing level: 539.74 mb = 5294.78 m = 17371.11 ft Wetbulb zero: 620.50 mb = 4151.30 m = 13619.59 ft Precipitable water: 1.38 inches Sfc-500 mean rel hum: 41.02 % Est. max temperature: 37.43 C = 99.37 F Sfc-Lift cond lev (LCL): 748.76 mb = 2581.50 m = 8469.38 ft T: 15.93 C 700-500 lapse rate: 5.60 C/km ThetaE index: 21.42 C Layer 925.0- 568.0 mb Conv cond level (CCL): 692.73 mb = 3245.60 m = 10648.15 ft Mean mixing ratio: 11.30 g/kg Conv temperature: 38.75 C = 101.75 F Cap Strength: 1.94 C Lifted Index: -0.48 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.46 C Lifted Index @700 mb: 1.05 C Showalter Index: 0.58 C Risk: Thunderstorms probable Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 30.10 C Cross Totals Index: 16.10 C K Index: 35.70 Risk: > 80 % chance of thunderstorms Sweat Index: 177.20 Risk: None Energy Index: -2.53 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 50.02 J/kg Max Up Vert Vel: 10.00 m/s Conv Inhibition (B-): 159.16 J/kg Cap Strength: 1.94 C Lift Cond Lev (LCL): 716.60 mb = 2958.01 m = 9704.65 ft Lev Free Conv (LFC): 511.60 mb = 5706.82 m = 18722.93 ft Equ Level (EL): 451.60 mb = 6682.22 m = 21923.02 ft B at Equ Level: 17.82 J/kg Max Parcel Lev (MPL): 411.60 mb = 7401.53 m = 24282.93 ft Wind level data Storm motion: 319 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 ---------------------------------------------------------- 0 970 314 0 0 -0.0 -0.0 | 139 7 -4.5 5.2 1 939 610 215 8 4.6 6.6 | 180 12 0.1 11.7 2 925 742 210 7 3.5 6.1 | 175 11 -1.0 11.2 3 907 914 225 10 7.1 7.1 | 192 13 2.5 12.2 4 877 1219 230 12 9.2 7.7 | 200 14 4.7 12.9 5 850 1494 230 12 9.2 7.7 | 200 14 4.7 12.9 6 817 1829 250 10 9.4 3.4 | 210 10 4.9 8.6 7 789 2134 265 10 10.0 0.9 | 222 8 5.4 6.0 8 761 2438 280 6 5.9 -1.0 | 198 4 1.4 4.1 9 735 2743 285 7 6.8 -1.8 | 214 4 2.2 3.4 10 700 3159 290 9 8.5 -3.1 | 242 4 3.9 2.1 11 658 3658 310 6 4.6 -3.9 | 183 1 0.1 1.3 12 611 4267 285 9 8.7 -2.3 | 236 5 4.2 2.8 13 566 4877 320 7 4.5 -5.4 | 9 0 -0.0 -0.2 14 500 5890 335 14 5.9 -12.7 | 350 8 1.4 -7.5 15 487 6096 335 15 6.3 -13.6 | 348 9 1.8 -8.4 16 400 7620 315 17 12.0 -12.0 | 312 10 7.5 -6.9 17 400 7620 305 16 13.1 -9.2 | 295 9 8.6 -4.0 18 325 9144 285 9 8.7 -2.3 | 236 5 4.2 2.8 19 300 9730 300 8 6.9 -4.0 | 244 3 2.4 1.2 20 262 10668 345 14 3.6 -13.5 | 6 8 -0.9 -8.4 21 250 11010 345 18 4.7 -17.4 | 359 12 0.1 -12.2 22 209 12192 280 8 7.9 -1.4 | 222 5 3.3 3.8 23 200 12490 275 5 5.0 -0.4 | 185 5 0.5 4.7 24 165 13716 340 7 2.4 -6.6 | 57 3 -2.1 -1.4 25 150 14300 55 9 -7.4 -5.2 | 90 12 -11.9 0.0 26 128 15240 115 13 -11.8 5.5 | 123 19 -16.3 10.7 27 104 16459 170 9 -1.6 8.9 | 157 15 -6.1 14.0 28 100 16680 160 14 -4.8 13.2 | 153 21 -9.3 18.3 29 88 17402 295 2 1.8 -0.8 | 148 5 -2.7 4.3 30 75 18288 25 20 -8.5 -18.1 | 45 18 -13.0 -13.0 31 70 18700 50 18 -13.8 -11.6 | 71 19 -18.3 -6.4 32 58 19812 180 13 0.0 13.0 | 166 19 -4.5 18.2 33 50 20660 185 11 1.0 11.0 | 168 17 -3.6 16.1 34 45 21336 195 12 3.1 11.6 | 175 17 -1.4 16.8 35 35 22860 30 11 -5.5 -9.5 | 67 11 -10.0 -4.4 36 30 23820 60 8 -6.9 -4.0 | 96 12 -11.5 1.2 Wind Parameters Mean winds (0-6000m): 288.8 at 9.2 knts Storm direction: 318.8 at 6.9 knts Shear (0-3000m) pos: 1.8 neg: 1.4 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 100.5 deg Storm rel helicity (0-3000m) pos: 36.0 neg: -8.0 tot: 28.0 m^2/s^2 ave: 9.3 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 2.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 4.31 Bulk Shear: 11.61 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 ------------------------------------------------------------------------------- 500 214 5 171 10| 0.0 8.5 8.5| 8.9 -5.1 3.8 7.6 0.24| 15.5 3.6 1000 223 8 185 11| 2.3 4.2 6.5| 22.2 -5.1 17.1 17.1 0.39| 10.0 3.9 1500 228 9 192 12| 1.9 2.8 4.7| 28.3 -5.1 23.2 15.5 0.40| 8.1 3.2 2000 237 9 198 11| 2.0 2.1 4.1| 32.9 -6.6 26.3 13.2 0.36| 7.5 2.7 2500 243 9 200 10| 1.8 1.7 3.5| 34.2 -7.9 26.3 10.5 0.33| 6.6 2.2 3000 251 9 205 9| 1.8 1.4 3.2| 36.0 -8.0 28.0 9.3 0.35| 6.0 2.1 4000 262 8 210 7| 1.3 1.4 2.7| 37.0 -8.7 28.2 7.1 0.30| 5.3 1.6 5000 272 8 218 6| 1.7 1.1 2.8| 37.9 -8.8 29.1 5.8 0.29| 5.0 1.4 6000 289 9 242 5| 1.7 0.9 2.6| 38.9 -11.0 27.8 4.6 0.25| 4.7 1.2 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20250423.12.gif