UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for VTCC... Searching the city database file for: VTCC ... Date:1200Z 25 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 46 SFC 971 314 35.6 16.6 32 19.0 22.3 0 0 311.4 313.7 296.4 349.2 12.33 2 925 753 32.6 12.6 30 20.0 19.2 225 3 312.6 314.5 295.1 343.4 9.96 3 850 1507 27.4 1.4 19 26.0 12.5 225 5 314.8 315.8 291.9 330.7 4.98 4 848 1528 27.2 1.2 18 26.0 12.3 229 5 314.9 315.8 291.9 330.5 4.92 5 844 1570 26.8 0.8 18 26.0 12.0 236 5 314.9 315.8 291.7 330.1 4.80 6 800 2038 21.4 9.4 46 12.0 13.7 275 5 314.0 315.7 295.0 342.9 9.30 7 744 2661 17.2 -0.8 29 18.0 7.4 307 4 316.0 316.9 292.1 331.5 4.85 8 741 2696 16.8 -2.2 27 19.0 6.7 314 5 315.9 316.7 291.7 330.0 4.39 9 700 3177 12.0 2.0 50 10.0 6.3 330 4 315.8 317.0 293.3 335.8 6.33 10 646 3842 6.0 1.0 70 5.0 3.2 303 10 316.3 317.5 293.4 336.5 6.38 11 635 3982 5.2 0.6 72 4.6 2.7 297 11 317.0 318.2 293.6 337.0 6.31 12 561 4983 -1.1 -5.3 73 4.2 -3.1 288 12 321.0 321.9 293.3 335.9 4.60 13 559 5011 -1.3 -5.4 74 4.1 -3.3 289 12 321.0 321.9 293.3 336.0 4.58 14 552 5111 -4.3 -8.5 72 4.2 -6.1 292 12 318.7 319.4 291.9 330.5 3.65 15 547 5183 -3.1 -8.1 68 5.0 -5.4 294 12 320.9 321.6 292.6 333.4 3.80 16 544 5227 -1.3 -19.3 24 18.0 -7.6 295 12 323.6 323.9 291.4 328.8 1.53 17 541 5271 -0.3 -21.3 19 21.0 -7.4 296 12 325.3 325.5 291.6 329.8 1.29 18 537 5331 0.8 -21.2 17 22.0 -6.9 298 12 327.3 327.5 292.2 331.9 1.31 19 513 5696 -1.9 -33.9 7 32.0 -10.0 309 12 328.3 328.4 291.7 329.9 0.42 20 500 5900 -3.7 -33.7 8 30.0 -11.2 315 12 328.5 328.6 291.7 330.2 0.44 21 453 6671 -10.9 -29.9 19 19.0 -15.6 296 15 328.9 329.0 292.1 331.5 0.71 22 429 7088 -12.9 -40.9 8 28.0 -18.0 283 16 331.5 331.6 292.4 332.5 0.25 23 414 7359 -14.5 -27.5 32 13.0 -17.9 274 16 332.9 333.0 293.4 336.4 0.97 24 405 7526 -14.7 -45.7 5 31.0 -19.6 268 16 334.7 334.7 293.2 335.3 0.16 25 400 7620 -15.1 -48.1 4 33.0 -20.0 265 16 335.4 335.4 293.3 335.9 0.12 26 388 7849 -16.5 -49.5 4 33.0 -21.1 270 15 336.5 336.5 293.6 336.9 0.11 27 364 8324 -20.1 -34.1 28 14.0 -22.9 281 11 337.9 338.0 294.3 340.1 0.59 28 362 8365 -19.9 -27.9 49 8.0 -21.9 282 11 338.7 338.9 295.0 342.6 1.06 29 350 8614 -20.7 -35.7 25 15.0 -23.6 287 9 340.9 341.0 295.0 342.9 0.52 30 336 8913 -23.1 -53.1 5 30.0 -26.4 294 6 341.6 341.6 294.8 341.9 0.08 31 300 9730 -29.9 -57.9 5 28.0 -32.0 300 3 343.2 343.2 295.1 343.5 0.05 32 278 10267 -34.9 -58.9 7 24.0 -36.4 292 6 343.6 343.6 295.2 343.8 0.05 33 273 10394 -36.1 -48.1 28 12.0 -37.1 289 7 343.6 343.7 295.4 344.4 0.18 34 270 10470 -36.3 -45.3 39 9.0 -37.2 288 8 344.4 344.5 295.6 345.4 0.25 35 261 10705 -37.9 -58.9 9 21.0 -39.1 284 9 345.4 345.4 295.7 345.7 0.05 36 251 10973 -40.5 -63.5 7 23.0 -41.5 276 7 345.5 345.5 295.7 345.6 0.03 37 250 11000 -40.7 -62.7 8 22.0 -41.6 275 7 345.6 345.6 295.7 345.7 0.03 38 202 12416 -51.9 -61.9 29 10.0 -52.2 303 8 349.6 349.6 296.6 349.8 0.05 39 200 12480 -52.1 -63.1 25 11.0 -52.4 305 8 350.3 350.3 296.7 350.4 0.04 40 189 12844 -54.9 -72.9 9 18.0 -55.2 348 8 351.5 351.5 297.0 351.5 0.01 41 163 13772 -62.5 -76.5 14 14.0 -62.6 97 8 353.9 353.9 297.5 353.9 0.01 42 150 14280 -66.1 -79.1 15 13.0 -66.2 125 7 356.2 356.2 298.0 356.2 0.01 43 135 14914 -70.3 -83.3 13 13.0 -70.4 190 8 359.7 359.7 298.7 359.7 0.00 44 120 15609 -73.5 -87.5 10 14.0 -73.5 219 9 366.1 366.1 299.9 366.1 0.00 45 114 15911 -72.7 -86.7 10 14.0 -72.8 214 10 373.0 373.0 301.1 373.0 0.00 46 100 16670 -78.5 -90.5 12 12.0 -78.5 210 9 376.1 376.1 301.6 376.1 0.00 47 80 17927 -83.5 -94.5 13 11.0 -83.5 10 10 390.5 390.5 303.9 390.5 0.00 48 73 18436 -83.9 -94.9 13 11.0 -83.9 36 4 400.1 400.1 305.2 400.1 0.00 49 70 18670 -81.5 -93.5 11 12.0 -81.5 30 4 410.0 410.0 306.5 410.0 0.00 50 60 19555 -72.3 -89.3 6 17.0 -72.4 279 9 449.1 449.1 310.8 449.1 0.00 51 54 20177 -71.1 -88.1 6 17.0 -71.2 327 11 465.6 465.6 312.3 465.6 0.00 52 51 20519 -65.3 -84.3 6 19.0 -65.6 36 12 486.8 486.8 314.0 486.9 0.01 53 50 20640 -64.9 -84.9 5 20.0 -65.2 60 12 490.5 490.5 314.2 490.6 0.01 54 44 21418 -66.3 -86.3 4 20.0 -66.6 85 8 505.4 505.4 315.3 505.4 0.01 55 38 22325 -57.7 -80.7 4 23.0 -58.6 88 11 548.9 548.9 318.1 549.0 0.02 56 31 23604 -59.9 -81.9 4 22.0 -60.8 102 11 575.9 575.9 319.5 576.0 0.02 57 30 23810 -57.1 -80.1 4 23.0 -58.3 105 11 589.0 589.0 320.1 589.1 0.02 58 27 24485 -51.5 -76.5 3 25.0 -53.9 89 15 622.7 622.7 321.6 623.1 0.04 TRP 80 17927 -83.5 -94.5 13 11.0 -83.5 10 10 390.5 390.5 303.9 390.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5854.00 m Freezing level: 573.92 mb = 4808.20 m = 15774.76 ft Freezing level: 539.91 mb = 5287.46 m = 17347.08 ft Freezing level: 529.89 mb = 5439.10 m = 17844.59 ft Wetbulb zero: 601.11 mb = 4425.22 m = 14518.25 ft Precipitable water: 1.21 inches Sfc-500 mean rel hum: 43.08 % Est. max temperature: 38.62 C = 101.52 F Sfc-Lift cond lev (LCL): 738.78 mb = 2721.24 m = 8927.85 ft T: 16.55 C 700-500 lapse rate: 5.77 C/km ThetaE index: 19.03 C Layer 925.0- 800.0 mb Conv cond level (CCL): 650.96 mb = 3778.51 m = 12396.53 ft Mean mixing ratio: 9.42 g/kg Conv temperature: 40.46 C = 104.83 F Cap Strength: 3.59 C Lifted Index: 2.29 C Risk: None Lifted Index @300 mb: 3.01 C Lifted Index @700 mb: 2.69 C Showalter Index: 7.24 C Risk: None Total Totals Index: 36.20 C Risk: None Vertical Totals Index: 31.10 C Cross Totals Index: 5.10 C K Index: 22.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 38.80 Risk: None Energy Index: 0.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.72 J/kg Max Up Vert Vel: 6.74 m/s Conv Inhibition (B-): 205.81 J/kg Cap Strength: 3.45 C Lift Cond Lev (LCL): 682.50 mb = 3386.67 m = 11111.00 ft Lev Free Conv (LFC): 577.50 mb = 4748.84 m = 15580.00 ft Equ Level (EL): 537.50 mb = 5323.30 m = 17464.69 ft B at Equ Level: 8.64 J/kg Max Parcel Lev (MPL): 527.50 mb = 5473.52 m = 17957.52 ft Wind level data Storm motion: 324 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 ---------------------------------------------------------- 0 971 314 0 0 -0.0 -0.0 | 144 6 -3.5 4.8 1 940 610 225 3 2.1 2.1 | 169 7 -1.4 6.9 2 925 753 225 3 2.1 2.1 | 169 7 -1.4 6.9 3 908 914 225 3 2.1 2.1 | 169 7 -1.4 6.9 4 878 1219 225 5 3.5 3.5 | 180 8 0.0 8.3 5 850 1507 225 5 3.5 3.5 | 180 8 0.0 8.3 6 819 1829 285 5 4.8 -1.3 | 201 4 1.3 3.5 7 790 2134 270 5 5.0 -0.0 | 197 5 1.5 4.8 8 763 2438 265 3 3.0 0.3 | 174 5 -0.5 5.0 9 736 2743 325 5 2.9 -4.1 | 136 1 -0.7 0.7 10 700 3177 330 4 2.0 -3.5 | 131 2 -1.5 1.3 11 660 3658 310 10 7.7 -6.4 | 292 4 4.1 -1.7 12 612 4267 285 11 10.6 -2.8 | 255 7 7.1 1.9 13 567 4877 285 12 11.6 -3.1 | 258 8 8.1 1.7 14 500 5900 315 12 8.5 -8.5 | 307 6 5.0 -3.7 15 487 6096 315 15 10.6 -10.6 | 310 9 7.1 -5.8 16 400 7620 265 16 15.9 1.4 | 244 14 12.4 6.2 17 400 7620 265 17 16.9 1.5 | 245 15 13.4 6.2 18 325 9144 300 4 3.5 -2.0 | 179 3 -0.1 2.8 19 300 9730 300 3 2.6 -1.5 | 164 3 -0.9 3.3 20 262 10668 285 9 8.7 -2.3 | 245 6 5.2 2.4 21 250 11000 275 7 7.0 -0.6 | 220 5 3.5 4.2 22 209 12192 295 7 6.3 -3.0 | 237 3 2.8 1.8 23 200 12480 305 8 6.6 -4.6 | 267 3 3.0 0.2 24 164 13716 95 8 -8.0 0.7 | 115 13 -11.5 5.5 25 150 14280 125 7 -5.7 4.0 | 133 13 -9.3 8.8 26 127 15240 225 9 6.4 6.4 | 194 11 2.8 11.1 27 104 16459 205 10 4.2 9.1 | 183 14 0.7 13.8 28 100 16670 210 9 4.5 7.8 | 184 13 1.0 12.6 29 80 17927 10 10 -1.7 -9.8 | 46 7 -5.3 -5.1 30 75 18288 40 4 -2.6 -3.1 | 106 6 -6.1 1.7 31 70 18670 30 4 -2.0 -3.5 | 103 6 -5.5 1.3 32 58 19812 250 10 9.4 3.4 | 216 10 5.9 8.2 33 50 20640 60 12 -10.4 -6.0 | 85 14 -13.9 -1.2 34 45 21336 85 8 -8.0 -0.7 | 109 12 -11.5 4.1 35 35 22860 90 12 -12.0 0.0 | 107 16 -15.5 4.8 36 30 23810 105 11 -10.6 2.8 | 118 16 -14.1 7.6 37 26 24384 85 16 -15.9 -1.4 | 100 20 -19.5 3.4 Wind Parameters Mean winds (0-6000m): 293.5 at 7.9 knts Storm direction: 323.5 at 5.9 knts Shear (0-3000m) pos: 1.5 neg: 0.9 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): -19.4 deg Storm rel helicity (0-3000m) pos: 10.6 neg: -3.2 tot: 7.4 m^2/s^2 ave: 2.5 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.14 Bulk Shear: 7.23 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 ------------------------------------------------------------------------------- 500 225 2 162 7| 0.0 3.1 3.1| 3.1 0.0 3.1 6.3 0.50| 4.7 2.4 1000 225 3 169 7| 0.0 2.6 2.6| 6.2 0.0 6.2 6.2 0.58| 3.4 2.0 1500 232 4 175 7| 1.6 1.7 3.4| 10.2 0.0 10.2 6.8 0.53| 4.0 2.1 2000 245 4 181 6| 1.2 1.4 2.6| 10.2 -1.9 8.3 4.2 0.34| 3.5 1.2 2500 255 4 183 6| 1.8 1.1 2.9| 10.6 -3.2 7.4 3.0 0.17| 3.9 0.7 3000 269 4 187 5| 1.5 0.9 2.4| 10.6 -3.2 7.4 2.5 0.14| 3.7 0.5 4000 286 6 209 4| 1.1 1.5 2.7| 10.6 -9.1 1.5 0.4 0.03| 4.1 0.1 5000 287 7 227 4| 1.2 1.3 2.5| 16.5 -9.1 7.4 1.5 0.11| 3.6 0.4 6000 294 8 247 4| 1.2 1.3 2.5| 23.0 -13.4 9.6 1.6 0.13| 3.7 0.5 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20250425.12.gif