UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for VTCC... Searching the city database file for: VTCC ... Date:0000Z 7 DEC 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 147 SFC 981 314 20.8 14.8 69 6.0 16.9 0 0 295.6 297.5 290.8 326.8 10.85 2 930 775 21.4 15.4 69 6.0 17.4 335 1 300.7 302.9 293.3 335.7 11.91 3 925 822 21.0 15.0 69 6.0 17.0 340 1 300.8 302.9 293.1 335.1 11.67 4 850 1550 17.2 11.2 68 6.0 13.4 285 6 304.2 306.0 292.7 333.7 9.88 5 735 2773 8.8 1.8 61 7.0 5.0 340 13 307.9 309.0 290.6 326.1 5.94 6 726 2875 8.8 -0.2 53 9.0 4.1 341 13 309.0 310.0 290.3 325.1 5.20 7 712 3037 11.4 -21.6 8 33.0 -0.2 343 13 313.6 313.8 287.7 316.8 0.95 8 707 3096 11.2 -24.8 6 36.0 -0.6 344 13 314.0 314.1 287.6 316.5 0.72 9 700 3179 11.0 -18.0 11 29.0 0.1 345 13 314.7 314.9 288.5 319.1 1.32 10 698 3203 10.8 -19.2 10 30.0 -0.2 343 13 314.7 314.9 288.3 318.7 1.20 11 574 4802 0.8 -21.2 17 22.0 -6.6 354 6 321.1 321.3 290.3 325.3 1.23 12 533 5395 -1.3 -39.3 4 38.0 -9.8 358 8 325.5 325.5 290.7 326.4 0.24 13 500 5900 -5.3 -40.3 4 35.0 -12.5 355 12 326.6 326.6 291.0 327.4 0.23 14 490 6058 -6.7 -41.7 4 35.0 -13.5 359 11 326.8 326.8 291.0 327.5 0.20 15 434 6998 -10.1 -34.1 12 24.0 -15.6 334 15 334.0 334.1 293.3 335.8 0.49 16 400 7620 -15.1 -34.1 18 19.0 -19.2 315 18 335.4 335.5 293.7 337.4 0.53 17 300 9730 -31.3 -48.3 17 17.0 -33.0 270 23 341.3 341.3 294.8 341.9 0.16 18 264 10620 -39.7 -50.7 30 11.0 -40.5 284 25 341.7 341.7 294.8 342.2 0.14 19 250 10990 -42.5 -57.5 18 15.0 -43.2 280 26 342.9 342.9 295.1 343.2 0.06 20 202 12386 -53.3 -66.3 19 13.0 -53.6 261 34 347.4 347.4 296.1 347.5 0.03 21 200 12450 -53.9 -64.9 25 11.0 -54.1 260 35 347.4 347.4 296.1 347.5 0.03 22 181 13086 -59.3 -64.3 52 5.0 -59.4 260 39 348.7 348.7 296.4 348.8 0.04 23 150 14240 -68.9 -74.9 42 6.0 -68.9 255 49 351.4 351.4 297.0 351.4 0.01 24 149 14280 -69.3 -75.3 41 6.0 -69.4 254 49 351.4 351.4 297.0 351.4 0.01 25 123 15410 -74.3 -85.3 17 11.0 -74.3 229 35 362.1 362.1 299.1 362.1 0.00 26 122 15457 -74.5 -84.5 20 10.0 -74.5 231 35 362.6 362.6 299.2 362.6 0.00 27 107 16209 -80.3 -88.3 25 8.0 -80.3 252 25 365.4 365.4 299.7 365.4 0.00 28 100 16590 -81.3 -89.3 25 8.0 -81.3 260 20 370.6 370.6 300.7 370.7 0.00 29 88 17302 -84.1 -92.1 23 8.0 -84.1 190 9 378.8 378.8 302.1 378.8 0.00 30 70 18580 -80.7 -89.7 21 9.0 -80.7 70 5 411.7 411.7 306.7 411.7 0.00 31 68 18743 -80.1 -88.1 25 8.0 -80.1 74 8 416.5 416.5 307.3 416.5 0.00 32 67 18827 -80.5 -89.5 21 9.0 -80.5 76 9 417.4 417.4 307.4 417.4 0.00 33 59 19561 -70.7 -85.7 9 15.0 -70.8 94 20 454.8 454.8 311.3 454.9 0.00 34 52 20313 -68.5 -85.5 7 17.0 -68.7 110 23 476.7 476.7 313.2 476.7 0.01 35 50 20550 -64.9 -83.9 6 19.0 -65.2 115 22 490.5 490.5 314.2 490.6 0.01 36 49 20673 -64.5 -83.5 6 19.0 -64.8 113 22 494.3 494.3 314.5 494.4 0.01 37 42 21618 -63.3 -84.3 4 21.0 -63.7 519.6 519.6 316.3 519.6 0.01 TRP 88 17302 -84.1 -92.1 23 8.0 -84.1 190 9 378.8 378.8 302.1 378.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5753.00 m Freezing level: 558.38 mb = 5027.66 m = 16494.75 ft Wetbulb zero: 712.52 mb = 3030.93 m = 9943.88 ft Precipitable water: 1.08 inches Sfc-500 mean rel hum: 36.24 % Est. max temperature: 29.94 C = 85.90 F Sfc-Lift cond lev (LCL): 897.82 mb = 1078.79 m = 3539.30 ft T: 19.66 C 700-500 lapse rate: 5.99 C/km ThetaE index: 19.23 C Layer 925.0- 700.0 mb Conv cond level (CCL): 773.86 mb = 2339.44 m = 7675.24 ft Mean mixing ratio: 11.29 g/kg Conv temperature: 31.77 C = 89.19 F Cap Strength: 5.62 C Lifted Index: 4.52 C Risk: None Lifted Index @300 mb: 7.06 C Lifted Index @700 mb: 5.62 C Showalter Index: 4.23 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 16.50 C K Index: 4.70 Risk: None Sweat Index: 158.40 Risk: None Energy Index: -1.04 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.10 J/kg Max Up Vert Vel: 7.36 m/s Conv Inhibition (B-): 12491.85 J/kg Cap Strength: 5.56 C Lift Cond Lev (LCL): 851.02 mb = 1539.71 m = 5051.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 2 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 ---------------------------------------------------------- 0 981 314 0 0 -0.0 -0.0 | 182 6 0.3 6.1 1 948 610 315 2 1.4 -1.4 | 200 5 1.7 4.7 2 925 822 340 1 0.3 -0.9 | 187 5 0.6 5.2 3 915 914 215 3 1.7 2.5 | 193 9 2.0 8.6 4 883 1219 280 5 4.9 -0.9 | 225 7 5.2 5.3 5 850 1550 285 6 5.8 -1.6 | 233 8 6.1 4.6 6 822 1829 325 5 2.9 -4.1 | 237 4 3.1 2.0 7 793 2134 350 6 1.0 -5.9 | 260 1 1.3 0.2 8 765 2438 330 8 4.0 -6.9 | 281 4 4.3 -0.8 9 737 2743 340 13 4.4 -12.2 | 322 8 4.7 -6.1 10 700 3179 345 13 3.4 -12.6 | 331 7 3.6 -6.4 11 660 3658 295 12 10.9 -5.1 | 265 11 11.1 1.1 12 612 4267 320 10 6.4 -7.7 | 283 7 6.7 -1.5 13 567 4877 360 5 -0.0 -5.0 | 193 1 0.3 1.1 14 500 5900 355 12 1.0 -12.0 | 347 6 1.3 -5.8 15 487 6096 360 11 -0.0 -11.0 | 357 5 0.3 -4.9 16 400 7620 315 18 12.7 -12.7 | 297 15 13.0 -6.6 17 400 7620 320 21 13.5 -16.1 | 306 17 13.8 -10.0 18 325 9144 265 20 19.9 1.7 | 249 22 20.2 7.9 19 300 9730 270 23 23.0 -0.0 | 255 24 23.3 6.1 20 262 10668 285 25 24.1 -6.5 | 271 24 24.4 -0.3 21 250 10990 280 26 25.6 -4.5 | 266 26 25.9 1.6 22 208 12192 265 33 32.9 2.9 | 255 34 33.1 9.0 23 200 12450 260 35 34.5 6.1 | 251 37 34.7 12.2 24 163 13716 260 44 43.3 7.6 | 252 46 43.6 13.8 25 150 14240 255 49 47.3 12.7 | 248 51 47.6 18.8 26 126 15240 225 37 26.2 26.2 | 219 42 26.4 32.3 27 102 16459 260 22 21.7 3.8 | 246 24 21.9 10.0 28 100 16590 260 20 19.7 3.5 | 244 22 20.0 9.6 29 88 17302 190 9 1.6 8.9 | 187 15 1.8 15.0 30 74 18288 325 8 4.6 -6.6 | 275 5 4.8 -0.4 31 70 18580 70 5 -4.7 -1.7 | 135 6 -4.4 4.4 32 57 19812 100 24 -23.6 4.2 | 114 26 -23.4 10.3 33 50 20550 115 22 -19.9 9.3 | 128 25 -19.7 15.4 34 42 21336 100 18 -17.7 3.1 | 118 20 -17.5 9.3 Wind Parameters Mean winds (0-6000m): 332.4 at 8.2 knts Storm direction: 2.4 at 6.1 knts Shear (0-3000m) pos: 1.9 neg: 1.2 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 125.2 deg Storm rel helicity (0-3000m) pos: 25.7 neg: -7.4 tot: 18.3 m^2/s^2 ave: 6.1 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.16 Bulk Shear: 6.51 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 ------------------------------------------------------------------------------- 500 319 1 191 5| 0.0 1.1 1.1| 2.1 -1.4 0.7 1.4 0.14| 3.4 0.5 1000 277 3 205 6| 0.0 2.7 2.7| 14.2 -1.4 12.7 12.7 0.50| 6.2 3.1 1500 286 4 215 6| 1.3 1.8 3.1| 16.8 -1.5 15.3 10.2 0.45| 5.7 2.6 2000 307 4 224 5| 1.6 1.4 2.9| 17.8 -1.5 16.2 8.1 0.43| 5.4 2.3 2500 319 5 241 4| 2.3 1.1 3.4| 24.3 -1.5 22.7 9.1 0.48| 5.7 2.7 3000 327 7 262 4| 1.9 1.2 3.1| 25.7 -7.4 18.3 6.1 0.36| 5.4 1.9 4000 320 8 269 5| 1.8 1.5 3.3| 32.1 -24.5 7.6 1.9 0.16| 5.7 0.9 5000 325 8 272 5| 1.7 1.2 3.0| 32.8 -25.1 7.7 1.5 0.13| 5.5 0.7 6000 332 8 285 4| 1.4 1.0 2.5| 34.1 -26.7 7.4 1.2 0.12| 5.1 0.6 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20251207.00.gif