UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for VTUU... Searching the city database file for: VTUU ... Date:0000Z 23 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 99 170 2 SFC 997 127 26.4 22.3 78 4.1 23.5 170 2 299.8 303.0 296.7 350.3 17.25 2 978 297 25.6 18.6 65 7.0 20.7 294 9 300.7 303.2 294.7 341.5 13.92 3 944 609 26.8 16.8 54 10.0 19.9 245 13 304.9 307.3 295.1 343.3 12.85 4 942 627 26.8 16.8 54 10.0 19.9 245 13 305.1 307.5 295.2 343.6 12.88 5 925 788 25.6 16.6 58 9.0 19.4 240 12 305.5 307.9 295.3 344.3 12.95 6 850 1526 20.6 12.6 60 8.0 15.3 265 8 307.7 309.8 294.4 340.6 10.85 7 766 2415 13.8 7.8 67 6.0 10.1 315 4 309.7 311.3 293.4 336.3 8.70 8 745 2649 12.4 6.4 67 6.0 8.8 231 2 310.6 312.2 293.2 335.6 8.12 9 700 3172 11.4 0.4 47 11.0 5.4 250 1 315.1 316.2 292.5 332.9 5.63 10 688 3316 11.0 -3.0 37 14.0 3.8 246 2 316.2 317.1 291.9 330.5 4.46 11 593 4539 3.2 -16.8 21 20.0 -4.4 162 6 320.9 321.2 290.8 326.8 1.73 12 558 5029 -0.9 -10.9 47 10.0 -5.2 136 9 321.7 322.3 292.2 331.6 2.98 13 545 5217 -2.5 -13.5 43 11.0 -6.9 137 10 322.0 322.4 291.8 330.3 2.48 14 541 5276 -2.3 -18.3 28 16.0 -8.0 137 10 322.9 323.2 291.3 328.6 1.67 15 536 5349 -2.9 -11.9 50 9.0 -6.7 137 10 323.0 323.6 292.4 332.6 2.87 16 524 5529 -2.9 -18.9 28 16.0 -8.5 138 11 325.1 325.4 291.9 330.8 1.64 17 500 5900 -4.1 -18.1 33 14.0 -9.2 140 12 328.0 328.4 292.9 334.4 1.84 18 494 5995 -4.3 -17.3 36 13.0 -9.1 140 11 328.9 329.3 293.3 335.9 1.99 19 486 6123 -4.5 -29.5 12 25.0 -11.3 140 10 330.2 330.4 292.4 332.7 0.68 20 474 6319 -5.9 -19.9 32 14.0 -10.8 141 10 330.9 331.2 293.5 336.7 1.66 21 472 6352 -5.9 -21.9 27 16.0 -11.2 142 10 331.3 331.5 293.4 336.3 1.40 22 400 7620 -15.7 -30.7 26 15.0 -19.2 150 7 334.6 334.7 293.7 337.3 0.74 23 395 7715 -16.5 -29.5 32 13.0 -19.6 149 7 334.7 334.9 293.8 337.9 0.84 24 377 8064 -17.9 -41.9 10 24.0 -21.8 147 7 337.4 337.4 293.9 338.4 0.26 25 352 8573 -22.3 -36.3 27 14.0 -24.8 144 6 338.1 338.2 294.3 340.0 0.49 26 300 9730 -29.9 -49.9 13 20.0 -31.9 190 6 343.2 343.3 295.2 343.8 0.13 27 287 10044 -32.5 -52.5 12 20.0 -34.1 223 5 343.9 343.9 295.4 344.3 0.10 28 259 10758 -38.7 -47.7 38 9.0 -39.4 290 5 345.0 345.1 295.7 345.8 0.20 29 250 11000 -40.5 -51.5 30 11.0 -41.2 290 6 345.9 345.9 295.8 346.4 0.13 30 244 11165 -41.9 -58.9 14 17.0 -42.7 304 6 346.2 346.2 295.8 346.4 0.06 31 228 11620 -46.1 -62.1 15 16.0 -46.7 341 5 346.5 346.5 295.9 346.7 0.04 32 221 11827 -47.3 -55.3 39 8.0 -47.7 359 5 347.8 347.8 296.3 348.2 0.10 33 200 12480 -52.7 -62.7 29 10.0 -52.9 35 9 349.3 349.3 296.5 349.5 0.04 34 150 14270 -68.1 -80.1 16 12.0 -68.2 35 5 352.8 352.8 297.3 352.8 0.00 35 146 14432 -69.7 -81.7 16 12.0 -69.8 42 7 352.7 352.7 297.2 352.8 0.00 36 128 15211 -72.1 -85.1 13 13.0 -72.2 73 15 361.9 361.9 299.1 362.0 0.00 37 122 15492 -74.5 -87.5 12 13.0 -74.5 75 17 362.6 362.6 299.2 362.6 0.00 38 117 15736 -73.9 -88.9 8 15.0 -73.9 75 19 368.0 368.0 300.2 368.0 0.00 39 108 16199 -77.5 -90.5 11 13.0 -77.5 75 22 369.8 369.8 300.5 369.8 0.00 40 103 16471 -76.9 -90.9 9 14.0 -76.9 75 24 376.0 376.0 301.6 376.0 0.00 41 100 16640 -78.9 -91.9 10 13.0 -78.9 85 27 375.3 375.3 301.5 375.3 0.00 42 89 17298 -81.7 -92.7 14 11.0 -81.7 382.4 382.4 302.6 382.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5801.00 m Freezing level: 565.68 mb = 4921.62 m = 16146.85 ft Wetbulb zero: 644.03 mb = 3859.92 m = 12663.64 ft Precipitable water: 1.55 inches Sfc-500 mean rel hum: 47.45 % Est. max temperature: 34.38 C = 93.89 F Sfc-Lift cond lev (LCL): 939.51 mb = 650.74 m = 2134.96 ft T: 26.63 C 700-500 lapse rate: 5.68 C/km ThetaE index: 17.48 C Layer 850.0- 558.0 mb Conv cond level (CCL): 772.89 mb = 2338.76 m = 7673.02 ft Mean mixing ratio: 13.45 g/kg Conv temperature: 36.11 C = 97.00 F Cap Strength: 4.06 C Lifted Index: 1.21 C Risk: Showers probable Lifted Index @300 mb: 2.01 C Lifted Index @700 mb: 2.59 C Showalter Index: 2.44 C Risk: Showers probable Total Totals Index: 41.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 16.70 C K Index: 26.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 179.20 Risk: None Energy Index: -1.13 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.19 J/kg Max Up Vert Vel: 8.74 m/s Conv Inhibition (B-): 313.31 J/kg Cap Strength: 4.06 C Lift Cond Lev (LCL): 839.02 mb = 1637.10 m = 5371.00 ft Lev Free Conv (LFC): 564.02 mb = 4942.72 m = 16216.07 ft Equ Level (EL): 524.02 mb = 5528.59 m = 18138.21 ft B at Equ Level: 37.20 J/kg Max Parcel Lev (MPL): 474.02 mb = 6318.23 m = 20728.86 ft Wind level data Storm motion: 230 at 5 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 ---------------------------------------------------------- 0 997 127 170 2 -0.3 2.0 | 73 4 -4.2 -1.3 1 977 305 300 9 7.8 -4.5 | 333 9 4.0 -7.7 2 944 610 245 13 11.8 5.5 | 254 8 7.9 2.3 3 925 788 240 12 10.4 6.0 | 247 7 6.6 2.8 4 912 914 230 12 9.2 7.7 | 230 7 5.4 4.5 5 880 1219 245 11 10.0 4.6 | 257 6 6.1 1.4 6 850 1526 265 8 8.0 0.7 | 301 5 4.1 -2.5 7 820 1829 290 4 3.8 -1.4 | 1 5 -0.1 -4.6 8 791 2134 315 4 2.8 -2.8 | 9 6 -1.0 -6.1 9 763 2438 315 4 2.8 -2.8 | 9 6 -1.0 -6.1 10 736 2743 190 1 0.2 1.0 | 59 4 -3.7 -2.2 11 700 3172 250 1 0.9 0.3 | 45 4 -2.9 -2.9 12 659 3658 235 3 2.5 1.7 | 42 2 -1.4 -1.5 13 612 4267 180 4 0.0 4.0 | 101 4 -3.8 0.8 14 567 4877 135 9 -6.4 6.4 | 107 11 -10.2 3.1 15 500 5900 140 12 -7.7 9.2 | 117 13 -11.6 6.0 16 487 6096 140 10 -6.4 7.7 | 113 11 -10.3 4.4 17 400 7620 150 7 -3.5 6.1 | 111 8 -7.3 2.8 18 400 7620 150 7 -3.5 6.1 | 111 8 -7.3 2.8 19 325 9144 140 6 -3.9 4.6 | 100 8 -7.7 1.4 20 300 9730 190 6 1.0 5.9 | 134 4 -2.8 2.7 21 262 10668 290 4 3.8 -1.4 | 1 5 -0.1 -4.6 22 250 11000 290 6 5.6 -2.1 | 341 6 1.8 -5.3 23 209 12192 30 4 -2.0 -3.5 | 41 9 -5.8 -6.7 24 200 12480 35 9 -5.2 -7.4 | 40 14 -9.0 -10.6 25 164 13716 45 6 -4.2 -4.2 | 47 11 -8.1 -7.5 26 150 14270 35 5 -2.9 -4.1 | 42 10 -6.7 -7.3 27 127 15240 75 15 -14.5 -3.9 | 69 20 -18.3 -7.1 28 103 16459 75 24 -23.2 -6.2 | 71 29 -27.0 -9.4 29 100 16640 85 27 -26.9 -2.4 | 80 31 -30.7 -5.6 Wind Parameters Mean winds (0-6000m): 199.9 at 6.7 knts Storm direction: 229.9 at 5.0 knts Shear (0-3000m) pos: 1.2 neg: 0.8 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): -26.7 deg Storm rel helicity (0-3000m) pos: 22.8 neg: -29.7 tot: -6.9 m^2/s^2 ave: -2.3 10^-3 m/s^2 rel: -0.05 Storm rel vorticity (0-3000m) horiz: 8.7 stream: -0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.38 Bulk Shear: 11.32 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 ------------------------------------------------------------------------------- 500 270 9 301 6| 12.9 0.0 12.9| 2.2 -23.4 -21.2 -42.4 -0.56| 27.1-15.1 1000 250 11 266 6| 6.4 0.9 7.4| 5.8 -28.7 -23.0 -23.0 -0.49| 16.3 -8.0 1500 251 10 269 6| 3.1 0.6 3.8| 15.4 -28.7 -13.3 -8.9 -0.22| 13.3 -3.0 2000 256 9 284 5| 1.8 0.5 2.3| 20.2 -28.7 -8.5 -4.3 -0.11| 11.2 -1.2 2500 261 8 298 4| 1.4 1.0 2.4| 22.0 -28.7 -6.7 -2.7 -0.05| 9.9 -0.5 3000 260 7 309 3| 1.2 0.8 2.0| 22.8 -29.7 -6.9 -2.3 -0.05| 8.7 -0.5 4000 256 6 320 2| 0.9 1.0 1.9| 24.0 -30.0 -6.0 -1.5 -0.02| 7.1 -0.1 5000 235 6 264 1| 0.7 1.5 2.2| 26.6 -32.3 -5.7 -1.1 -0.00| 6.6 -0.0 6000 200 7 153 3| 0.6 1.3 1.8| 31.3 -34.6 -3.3 -0.5 0.01| 5.8 0.0 Wrote GIF file: /home/apache/climate/data/raob//VTUU/skewt/VTUU.skewt.20250423.00.gif