UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for VTCC... Searching the city database file for: VTCC ... Date:1200Z 28 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 62 SFC 972 314 30.8 16.8 43 14.0 21.1 0 0 306.4 308.8 295.3 343.9 12.47 2 925 758 27.8 14.8 45 13.0 18.9 185 2 307.7 309.9 294.9 342.6 11.52 3 850 1501 22.8 10.8 47 12.0 15.0 210 13 310.0 311.8 294.2 339.4 9.61 4 700 3160 11.2 1.2 50 10.0 5.6 205 7 314.9 316.0 292.7 333.7 5.97 5 587 4604 0.8 -8.2 51 9.0 -3.3 220 2 319.0 319.7 291.9 330.5 3.51 6 566 4897 -1.1 -10.1 50 9.0 -5.0 210 3 320.1 320.8 291.9 330.5 3.13 7 554 5068 -1.9 -15.9 33 14.0 -7.1 220 4 321.2 321.6 291.1 327.9 2.00 8 533 5375 -3.5 -12.5 50 9.0 -7.2 237 5 322.8 323.4 292.3 332.0 2.75 9 521 5555 -3.5 -22.5 21 19.0 -9.6 247 6 324.9 325.2 291.5 329.2 1.21 10 517 5616 -3.7 -14.7 42 11.0 -8.0 250 6 325.4 325.9 292.6 333.5 2.36 11 500 5880 -5.3 -17.3 38 12.0 -9.6 265 7 326.6 327.0 292.6 333.4 1.97 12 494 5974 -5.7 -14.7 49 9.0 -9.2 267 8 327.2 327.7 293.2 335.7 2.48 13 478 6231 -6.9 -16.9 45 10.0 -10.6 268 10 328.8 329.3 293.4 336.2 2.13 14 469 6379 -6.3 -19.3 35 13.0 -10.9 265 11 331.4 331.7 293.7 337.6 1.77 15 441 6855 -9.5 -42.5 5 33.0 -15.7 258 12 333.2 333.3 292.8 334.0 0.21 16 418 7266 -12.3 -26.3 30 14.0 -16.2 251 13 334.8 335.0 294.0 338.7 1.07 17 402 7562 -13.7 -39.7 9 26.0 -18.7 246 14 336.7 336.8 293.8 337.9 0.30 18 400 7600 -14.1 -28.1 30 14.0 -17.8 245 14 336.7 336.9 294.4 340.2 0.95 19 397 7657 -14.9 -23.9 46 9.0 -17.6 250 19 336.3 336.6 294.7 341.4 1.40 20 382 7948 -16.5 -26.5 42 10.0 -19.2 250 19 338.0 338.2 294.8 342.2 1.15 21 376 8067 -16.7 -34.7 19 18.0 -20.5 250 19 339.2 339.3 294.6 341.3 0.53 22 361 8372 -19.5 -29.5 41 10.0 -21.8 250 19 339.5 339.6 295.0 342.9 0.92 23 349 8623 -20.1 -32.1 33 12.0 -22.7 250 20 341.9 342.1 295.4 344.8 0.74 24 337 8882 -21.7 -54.7 3 33.0 -25.4 250 20 343.2 343.2 295.1 343.5 0.07 25 334 8948 -21.9 -53.9 4 32.0 -25.5 250 20 343.8 343.8 295.3 344.1 0.07 26 300 9730 -28.1 -47.1 15 19.0 -30.3 255 21 345.8 345.8 295.8 346.5 0.18 27 250 11000 -39.1 -57.1 13 18.0 -40.1 250 21 347.9 347.9 296.3 348.2 0.07 28 200 12490 -51.5 -60.5 33 9.0 -51.8 255 25 351.2 351.2 297.0 351.5 0.06 29 174 13378 -58.9 -66.9 35 8.0 -59.0 255 26 353.3 353.3 297.4 353.4 0.03 30 161 13860 -63.9 -72.9 28 9.0 -64.0 252 28 352.8 352.8 297.3 352.8 0.01 31 150 14290 -66.9 -76.9 23 10.0 -67.0 240 33 354.8 354.8 297.7 354.9 0.01 32 103 16475 -82.5 -91.5 20 9.0 -82.5 270 19 365.2 365.2 299.7 365.2 0.00 33 100 16640 -81.5 -90.5 20 9.0 -81.5 270 14 370.3 370.3 300.6 370.3 0.00 34 87 17418 -83.9 -93.9 16 10.0 -83.9 270 17 380.5 380.5 302.3 380.5 0.00 35 74 18317 -83.7 -94.7 13 11.0 -83.7 318 7 398.9 398.9 305.0 398.9 0.00 36 70 18630 -78.3 -93.3 7 15.0 -78.3 295 4 416.9 416.9 307.3 416.9 0.00 37 69 18712 -76.9 -91.9 7 15.0 -76.9 302 4 421.6 421.6 307.9 421.6 0.00 38 55 20036 -70.7 -88.7 5 18.0 -70.8 8 5 464.1 464.1 312.1 464.1 0.00 39 51 20489 -65.3 -86.3 4 21.0 -65.6 318 6 486.8 486.8 314.0 486.9 0.00 40 50 20610 -65.1 -86.1 4 21.0 -65.4 305 6 490.1 490.1 314.2 490.1 0.00 41 36 22648 -57.3 -83.3 2 26.0 -58.3 129 7 558.5 558.5 318.6 558.6 0.01 42 30 23800 -57.1 -82.1 3 25.0 -58.3 35 4 589.0 589.0 320.1 589.1 0.02 43 29 24015 -56.9 -82.9 2 26.0 -58.2 595.3 595.3 320.4 595.4 0.01 TRP 87 17418 -83.9 -93.9 16 10.0 -83.9 270 17 380.5 380.5 302.3 380.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5818.00 m Freezing level: 578.16 mb = 4727.50 m = 15509.98 ft Wetbulb zero: 628.38 mb = 4045.55 m = 13272.64 ft Precipitable water: 1.38 inches Sfc-500 mean rel hum: 46.77 % Est. max temperature: 35.23 C = 95.42 F Sfc-Lift cond lev (LCL): 793.42 mb = 2089.63 m = 6855.65 ft T: 18.68 C 700-500 lapse rate: 6.07 C/km ThetaE index: 16.01 C Layer 925.0- 533.0 mb Conv cond level (CCL): 686.76 mb = 3316.70 m = 10881.42 ft Mean mixing ratio: 11.37 g/kg Conv temperature: 39.66 C = 103.39 F Cap Strength: 4.59 C Lifted Index: 0.54 C Risk: Showers probable Lifted Index @300 mb: 4.63 C Lifted Index @700 mb: 2.80 C Showalter Index: 1.71 C Risk: Showers probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.10 C Cross Totals Index: 16.10 C K Index: 28.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 162.60 Risk: None Energy Index: -1.11 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.28 J/kg Max Up Vert Vel: 7.65 m/s Conv Inhibition (B-): 279.15 J/kg Cap Strength: 4.59 C Lift Cond Lev (LCL): 761.54 mb = 2440.01 m = 8005.17 ft Lev Free Conv (LFC): 596.54 mb = 4472.19 m = 14672.35 ft Equ Level (EL): 526.54 mb = 5471.35 m = 17950.42 ft B at Equ Level: 29.15 J/kg Max Parcel Lev (MPL): 466.54 mb = 6419.46 m = 21060.97 ft Wind level data Storm motion: 254 at 4 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 ---------------------------------------------------------- 0 972 314 0 0 -0.0 -0.0 | 74 4 -4.3 -1.2 1 940 610 210 2 1.0 1.7 | 99 3 -3.3 0.5 2 925 758 185 2 0.2 2.0 | 100 4 -4.1 0.7 3 909 914 215 7 4.0 5.7 | 177 4 -0.2 4.5 4 878 1219 210 13 6.5 11.3 | 193 10 2.2 10.0 5 850 1501 210 13 6.5 11.3 | 193 10 2.2 10.0 6 818 1829 215 10 5.7 8.2 | 192 7 1.5 6.9 7 789 2134 205 6 2.5 5.4 | 158 5 -1.7 4.2 8 762 2438 205 6 2.5 5.4 | 158 5 -1.7 4.2 9 735 2743 205 6 2.5 5.4 | 158 5 -1.7 4.2 10 700 3160 205 7 3.0 6.3 | 166 5 -1.3 5.1 11 658 3658 240 5 4.3 2.5 | 183 1 0.1 1.3 12 610 4267 230 1 0.8 0.6 | 80 4 -3.5 -0.6 13 566 4877 210 3 1.5 2.6 | 116 3 -2.8 1.4 14 500 5880 265 7 7.0 0.6 | 283 3 2.7 -0.6 15 486 6096 270 10 10.0 -0.0 | 282 6 5.7 -1.2 16 400 7600 245 14 12.7 5.9 | 241 10 8.4 4.7 17 399 7620 250 19 17.9 6.5 | 249 15 13.6 5.3 18 325 9144 250 20 18.8 6.8 | 249 16 14.5 5.6 19 300 9730 255 21 20.3 5.4 | 255 17 16.0 4.2 20 262 10668 255 20 19.3 5.2 | 255 16 15.1 3.9 21 250 11000 250 21 19.7 7.2 | 249 17 15.5 5.9 22 209 12192 255 22 21.3 5.7 | 255 18 17.0 4.5 23 200 12490 255 25 24.1 6.5 | 255 21 19.9 5.2 24 164 13716 255 26 25.1 6.7 | 255 22 20.9 5.5 25 150 14290 240 33 28.6 16.5 | 238 29 24.3 15.3 26 127 15240 220 29 18.6 22.2 | 214 25 14.4 21.0 27 103 16459 270 19 19.0 -0.0 | 275 15 14.7 -1.2 28 100 16640 270 14 14.0 -0.0 | 277 10 9.7 -1.2 29 87 17418 270 17 17.0 -0.0 | 276 13 12.7 -1.2 30 74 18288 320 7 4.5 -5.4 | 358 7 0.2 -6.6 31 70 18630 295 4 3.6 -1.7 | 12 3 -0.6 -2.9 32 57 19812 35 4 -2.3 -3.3 | 55 8 -6.6 -4.5 33 50 20610 305 6 4.9 -3.4 | 352 5 0.7 -4.7 34 45 21336 90 10 -10.0 0.0 | 85 14 -14.3 -1.2 35 35 22860 135 6 -4.2 4.2 | 109 9 -8.5 3.0 36 30 23800 35 4 -2.3 -3.3 | 55 8 -6.6 -4.5 Wind Parameters Mean winds (0-6000m): 223.7 at 5.9 knts Storm direction: 253.7 at 4.4 knts Shear (0-3000m) pos: 1.2 neg: 0.4 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 98.6 deg Storm rel helicity (0-3000m) pos: 11.9 neg: -6.0 tot: 5.9 m^2/s^2 ave: 2.0 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 10.65 Bulk Shear: 2.75 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 ------------------------------------------------------------------------------- 500 201 2 93 4| 0.0 3.9 3.9| 3.5 -0.7 2.9 5.7 0.57| 5.8 3.3 1000 210 6 158 4| 4.8 1.9 6.8| 10.3 -0.7 9.6 9.6 0.56| 8.0 4.5 1500 211 8 177 5| 2.3 1.3 3.6| 10.4 -0.9 9.5 6.3 0.47| 6.4 3.0 2000 210 8 176 5| 1.7 0.6 2.3| 10.4 -6.0 4.4 2.2 0.23| 5.9 1.4 2500 210 7 173 5| 1.4 0.5 1.9| 10.5 -6.0 4.5 1.8 0.23| 4.7 1.1 3000 209 7 172 5| 1.2 0.4 1.6| 11.9 -6.0 5.9 2.0 0.26| 4.3 1.1 4000 212 6 168 4| 0.7 0.6 1.3| 12.3 -7.3 5.0 1.3 0.13| 4.1 0.5 5000 213 6 161 4| 0.8 0.4 1.3| 14.9 -7.3 7.6 1.5 0.22| 3.7 0.8 6000 224 6 177 3| 1.2 0.4 1.6| 16.4 -8.4 7.9 1.3 0.24| 3.8 0.9 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20250428.12.gif