UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for VTUU... Searching the city database file for: VTUU ... Date:1200Z 18 APR 25 Station: VTUU WMO ident: 48407 Latitude: 15.25 Longitude: 104.87 Elevation: 127.00 ------------------------------------------------------------------------------- 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 46 170 2 SFC 992 127 34.0 21.0 47 13.0 24.5 170 2 307.9 310.9 298.0 356.2 15.98 2 925 746 28.2 17.2 51 11.0 20.5 185 17 308.1 310.7 296.4 348.9 13.47 3 850 1490 22.2 14.2 60 8.0 16.8 220 10 309.4 311.7 295.8 346.1 12.07 4 798 2035 17.4 11.4 68 6.0 13.5 248 9 309.9 311.9 294.9 342.5 10.67 5 783 2197 16.2 10.2 68 6.0 12.3 249 8 310.3 312.2 294.6 341.0 10.03 6 700 3144 11.8 2.8 54 9.0 6.6 225 5 315.6 316.8 293.5 336.7 6.70 7 686 3313 11.2 0.2 47 11.0 5.1 203 7 316.7 317.8 293.0 334.7 5.67 8 684 3337 11.2 0.2 47 11.0 5.1 199 7 317.0 318.1 293.1 335.1 5.68 9 620 4147 4.2 -1.8 65 6.0 1.0 170 9 318.0 319.0 293.2 335.3 5.41 10 605 4345 2.8 -4.2 60 7.0 -0.7 175 10 318.6 319.5 292.7 333.6 4.63 11 553 5070 0.4 -9.6 47 10.0 -4.1 177 15 324.1 324.7 293.1 335.2 3.34 12 500 5870 -5.1 -12.1 58 7.0 -8.0 185 15 326.8 327.4 293.6 337.1 3.02 13 486 6093 -6.5 -13.5 58 7.0 -9.3 180 16 327.8 328.3 293.6 337.2 2.78 14 452 6660 -8.5 -18.5 44 10.0 -12.1 193 15 332.1 332.5 294.1 339.0 1.97 15 401 7581 -14.3 -22.3 51 8.0 -16.8 215 13 336.2 336.5 294.8 341.9 1.59 16 400 7600 -14.1 -24.1 42 10.0 -17.0 215 13 336.7 336.9 294.7 341.6 1.36 17 344 8726 -20.9 -35.9 25 15.0 -23.8 258 13 342.3 342.4 295.3 344.3 0.52 18 321 9232 -24.9 -42.9 17 18.0 -27.5 276 13 343.6 343.6 295.4 344.7 0.27 19 300 9720 -28.3 -45.3 18 17.0 -30.4 280 10 345.5 345.5 295.8 346.4 0.22 20 250 11000 -38.7 -52.7 21 14.0 -39.6 260 12 348.5 348.6 296.4 349.0 0.12 21 233 11479 -42.9 -52.9 33 10.0 -43.5 252 12 349.2 349.3 296.6 349.8 0.12 22 200 12490 -51.5 -63.5 23 12.0 -51.8 260 8 351.2 351.2 296.9 351.4 0.04 23 150 14290 -66.7 -80.7 12 14.0 -66.8 330 4 355.2 355.2 297.7 355.2 0.00 24 133 15006 -73.5 -82.5 24 9.0 -73.5 267 4 355.5 355.5 297.8 355.5 0.00 25 111 16046 -80.3 -89.3 21 9.0 -80.3 340 5 361.6 361.6 299.0 361.6 0.00 26 100 16630 -83.9 -92.9 19 9.0 -83.9 360 7 365.6 365.6 299.8 365.6 0.00 27 91 17158 -80.3 -92.3 12 12.0 -80.3 382.8 382.8 302.7 382.8 0.00 TRP 111 16046 -80.3 -89.3 21 9.0 -80.3 340 5 361.6 361.6 299.0 361.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5824.00 m Freezing level: 549.15 mb = 5127.93 m = 16823.72 ft Wetbulb zero: 610.93 mb = 4266.21 m = 13996.58 ft Precipitable water: 1.81 inches Sfc-500 mean rel hum: 56.26 % Est. max temperature: 35.62 C = 96.12 F Sfc-Lift cond lev (LCL): 822.92 mb = 1769.35 m = 5804.88 ft T: 19.74 C 700-500 lapse rate: 6.20 C/km ThetaE index: 21.41 C Layer 925.0- 684.0 mb Conv cond level (CCL): 757.06 mb = 2481.51 m = 8141.34 ft Mean mixing ratio: 14.19 g/kg Conv temperature: 38.02 C = 100.44 F Cap Strength: 1.67 C Lifted Index: -2.54 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.52 C Lifted Index @700 mb: 0.91 C Showalter Index: -0.73 C Risk: Thunderstorms probable Total Totals Index: 46.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 19.30 C K Index: 32.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 205.40 Risk: None Energy Index: -1.76 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 365.41 J/kg Max Up Vert Vel: 27.03 m/s Conv Inhibition (B-): 94.11 J/kg Cap Strength: 1.67 C Lift Cond Lev (LCL): 797.80 mb = 2036.78 m = 6682.28 ft Lev Free Conv (LFC): 652.80 mb = 3721.75 m = 12210.31 ft Equ Level (EL): 212.80 mb = 12079.29 m = 39629.73 ft B at Equ Level: 362.55 J/kg Max Parcel Lev (MPL): 112.80 mb = 15952.98 m = 52338.53 ft Wind level data Storm motion: 222 at 8 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 ---------------------------------------------------------- 0 992 127 170 2 -0.3 2.0 | 55 7 -5.9 -4.1 1 972 305 185 10 0.9 10.0 | 130 6 -4.7 3.9 2 939 610 185 17 1.5 16.9 | 159 12 -4.1 10.9 3 925 746 185 17 1.5 16.9 | 159 12 -4.1 10.9 4 907 914 195 15 3.9 14.5 | 169 9 -1.7 8.4 5 877 1219 205 11 4.6 10.0 | 167 4 -0.9 3.9 6 850 1490 220 10 6.4 7.7 | 209 2 0.9 1.6 7 817 1829 245 10 9.1 4.2 | 298 4 3.5 -1.9 8 788 2134 250 8 7.5 2.7 | 330 4 2.0 -3.3 9 760 2438 245 8 7.3 3.4 | 328 3 1.7 -2.7 10 734 2743 265 6 6.0 0.5 | 356 6 0.4 -5.6 11 700 3144 225 5 3.5 3.5 | 38 3 -2.0 -2.5 12 657 3658 155 10 -4.2 9.1 | 107 10 -9.8 3.0 13 609 4267 175 9 -0.8 9.0 | 114 7 -6.3 2.9 14 565 4877 175 15 -1.3 14.9 | 142 11 -6.9 8.9 15 500 5870 185 15 1.3 14.9 | 154 10 -4.3 8.9 16 486 6096 180 16 0.0 16.0 | 151 11 -5.6 9.9 17 400 7600 215 13 7.5 10.6 | 203 5 1.9 4.6 18 399 7620 215 13 7.5 10.6 | 203 5 1.9 4.6 19 324 9144 275 13 13.0 -1.1 | 314 10 7.4 -7.2 20 300 9720 280 10 9.8 -1.7 | 331 9 4.3 -7.8 21 262 10668 265 10 10.0 0.9 | 320 7 4.4 -5.2 22 250 11000 260 12 11.8 2.1 | 303 7 6.3 -4.0 23 209 12192 240 11 9.5 5.5 | 278 4 4.0 -0.6 24 200 12490 260 8 7.9 1.4 | 334 5 2.3 -4.7 25 164 13716 255 11 10.6 2.8 | 303 6 5.1 -3.2 26 150 14290 330 4 2.0 -3.5 | 20 10 -3.6 -9.5 27 127 15240 245 4 3.6 1.7 | 24 5 -1.9 -4.4 28 111 16046 340 5 1.7 -4.7 | 20 11 -3.8 -10.8 29 103 16459 360 12 -0.0 -12.0 | 17 19 -5.6 -18.1 30 100 16630 360 7 -0.0 -7.0 | 23 14 -5.6 -13.1 Wind Parameters Mean winds (0-6000m): 192.4 at 11.0 knts Storm direction: 222.4 at 8.2 knts Shear (0-3000m) pos: 1.2 neg: 0.6 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): -19.4 deg Storm rel helicity (0-3000m) pos: 36.9 neg: -0.3 tot: 36.6 m^2/s^2 ave: 12.2 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 4.5 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 1204.47 Bulk Shear: 0.30 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 ------------------------------------------------------------------------------- 500 185 11 136 7| 15.5 0.0 15.5| 21.6 0.0 21.6 43.3 0.81| 15.8 12.7 1000 189 13 152 8| 5.4 0.0 5.4| 26.2 -0.1 26.2 26.2 0.64| 11.3 7.3 1500 196 12 159 6| 3.1 0.0 3.1| 28.4 -0.2 28.2 18.8 0.63| 9.6 6.0 2000 205 12 172 4| 2.0 0.0 2.0| 31.9 -0.2 31.7 15.8 0.66| 8.4 5.5 2500 212 11 182 3| 1.4 0.0 1.4| 33.3 -0.3 33.0 13.2 0.64| 7.3 4.7 3000 215 10 186 2| 1.2 0.6 1.8| 36.9 -0.3 36.6 12.2 0.65| 6.9 4.5 4000 205 10 149 3| 1.1 1.6 2.8| 42.4 -1.4 41.0 10.3 0.58| 6.8 4.0 5000 196 10 143 4| 1.1 1.3 2.4| 54.0 -1.4 52.6 10.5 0.60| 6.1 3.7 6000 192 11 145 6| 1.1 1.2 2.2| 58.3 -2.6 55.7 9.3 0.58| 5.4 3.2 Wrote GIF file: /home/apache/climate/data/raob//VTUU/skewt/VTUU.skewt.20250418.12.gif