UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:0000Z 17 APR 25 Station: VTUN WMO ident: 48431 Latitude: 14.97 Longitude: 102.83 Elevation: 181.00 ------------------------------------------------------------------------------- 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 66 SFC 986 181 25.0 22.9 88 2.1 23.5 210 2 299.4 302.7 297.1 352.3 18.11 2 956 458 25.8 21.1 75 4.7 22.4 233 11 302.8 305.9 297.1 352.3 16.70 3 925 753 24.6 20.2 77 4.4 21.5 245 14 304.5 307.5 297.3 353.1 16.32 4 857 1421 22.2 13.2 57 9.0 16.2 214 8 308.7 310.8 295.0 342.7 11.20 5 850 1492 21.8 12.8 57 9.0 15.8 210 7 309.0 311.1 294.9 342.4 10.99 6 737 2714 13.2 8.6 74 4.6 10.3 207 4 312.5 314.3 294.8 342.0 9.56 7 700 3147 11.2 6.6 73 4.6 8.4 225 4 314.9 316.6 294.8 342.3 8.77 8 620 4151 5.0 2.3 83 2.7 3.4 223 10 318.9 320.3 294.8 342.2 7.31 9 591 4541 3.0 -4.0 60 7.0 -0.6 225 12 321.0 321.9 293.5 336.6 4.82 10 579 4707 1.8 -0.5 85 2.3 0.5 231 12 321.5 322.7 294.8 342.1 6.39 11 566 4891 1.4 -4.6 64 6.0 -1.6 240 12 323.1 324.0 294.0 338.9 4.81 12 532 5387 -2.1 -4.0 87 1.9 -3.1 211 10 324.7 325.7 294.8 342.3 5.36 13 527 5463 -2.3 -4.9 82 2.6 -3.6 207 10 325.3 326.3 294.8 342.0 5.05 14 525 5493 -2.1 -10.1 54 8.0 -5.7 205 10 325.9 326.6 293.6 337.3 3.38 15 522 5539 -1.9 -7.9 63 6.0 -4.7 206 10 326.7 327.5 294.4 340.2 4.04 16 511 5708 -3.3 -5.9 82 2.6 -4.6 211 11 327.0 327.9 295.0 343.0 4.82 17 500 5880 -4.7 -6.5 87 1.8 -5.6 215 12 327.3 328.2 295.0 343.0 4.71 18 481 6183 -6.5 -7.7 91 1.2 -7.1 221 12 328.7 329.6 295.2 343.7 4.46 19 400 7600 -15.1 -16.6 88 1.5 -15.6 245 7 335.4 335.9 295.4 344.5 2.61 20 383 7928 -16.9 -19.5 80 2.6 -17.7 241 7 337.2 337.6 295.4 344.8 2.13 21 357 8453 -21.1 -22.2 91 1.1 -21.4 234 6 338.4 338.8 295.5 344.9 1.81 22 325 9143 -25.1 -29.3 68 4.2 -26.1 225 5 342.1 342.3 295.7 346.0 1.04 23 300 9720 -29.9 -33.5 71 3.6 -30.5 215 7 343.2 343.4 295.8 346.1 0.75 24 291 9936 -31.5 -36.4 62 4.9 -32.3 214 9 344.0 344.1 295.8 346.2 0.58 25 250 10990 -40.1 -42.8 75 2.7 -40.4 220 13 346.4 346.5 296.1 347.9 0.35 26 242 11211 -42.1 -43.6 85 1.5 -42.2 221 14 346.7 346.8 296.2 348.0 0.33 27 238 11323 -42.7 -47.7 58 5.0 -43.0 221 15 347.4 347.5 296.3 348.3 0.22 28 215 11999 -48.9 -51.0 79 2.1 -49.0 224 19 348.1 348.1 296.4 348.7 0.16 29 212 12091 -49.7 -53.5 64 3.8 -49.8 225 19 348.2 348.2 296.4 348.7 0.12 30 209 12184 -50.3 -61.3 26 11.0 -50.6 225 20 348.7 348.7 296.4 348.9 0.05 31 203 12374 -51.8 -59.1 41 7.3 -52.0 225 66 349.3 349.3 296.5 349.5 0.07 32 201 12438 -52.3 -58.3 48 6.0 -52.5 225 65 349.4 349.5 296.6 349.8 0.07 33 200 12470 -52.7 -59.7 42 7.0 -52.9 225 64 349.3 349.3 296.5 349.6 0.06 34 187 12900 -56.7 -66.7 27 10.0 -56.9 217 50 349.6 349.6 296.5 349.7 0.03 35 181 13105 -58.3 -59.9 82 1.6 -58.3 213 43 350.3 350.3 296.8 350.6 0.07 36 174 13352 -60.5 -63.8 65 3.3 -60.6 208 35 350.6 350.7 296.8 350.8 0.04 37 172 13424 -61.1 -67.1 45 6.0 -61.2 206 32 350.8 350.8 296.8 350.9 0.03 38 150 14260 -67.7 -74.7 36 7.0 -67.8 215 26 353.5 353.5 297.4 353.5 0.01 39 135 14890 -71.7 -82.7 18 11.0 -71.8 212 21 357.2 357.2 298.1 357.2 0.00 40 104 16398 -80.9 -85.3 47 4.4 -80.9 215 34 367.3 367.3 300.1 367.3 0.00 41 100 16620 -80.3 -86.3 36 6.0 -80.3 215 45 372.6 372.6 301.0 372.6 0.00 42 78 18014 -82.7 -88.7 35 6.0 -82.7 161 18 395.0 395.0 304.5 395.0 0.00 43 70 18620 -80.9 -90.9 17 10.0 -80.9 225 51 411.3 411.3 306.7 411.3 0.00 44 58 19703 -71.1 -91.1 4 20.0 -71.2 225 20 456.2 456.2 311.4 456.2 0.00 45 50 20590 -66.3 -90.3 2 24.0 -66.5 270 22 487.2 487.2 314.0 487.3 0.00 46 47 20966 -65.7 -89.7 2 24.0 -66.0 278 20 497.4 497.4 314.8 497.4 0.00 47 30 23750 -57.3 -87.3 1 30.0 -58.5 190 37 588.4 588.4 320.0 588.5 0.01 48 25 24912 -53.7 -85.7 1 32.0 -55.8 200 62 630.3 630.3 321.9 630.3 0.01 TRP 104 16398 -80.9 -85.3 47 4.4 -80.9 215 34 367.3 367.3 300.1 367.3 0.00 WND 203 12374 -51.8 -59.1 41 7.3 -52.0 225 66 349.3 349.3 296.5 349.5 0.07 Sounding variables and indices 1000-500 mb thick: 5814.00 m Freezing level: 552.40 mb = 5089.39 m = 16697.26 ft Wetbulb zero: 595.12 mb = 4484.51 m = 14712.77 ft Precipitable water: 2.13 inches Sfc-500 mean rel hum: 72.41 % Est. max temperature: 35.01 C = 95.01 F Sfc-Lift cond lev (LCL): 956.69 mb = 451.51 m = 1481.32 ft T: 25.78 C 700-500 lapse rate: 5.82 C/km ThetaE index: 11.11 C Layer 857.0- 700.0 mb Conv cond level (CCL): 791.18 mb = 2106.29 m = 6910.31 ft Mean mixing ratio: 16.07 g/kg Conv temperature: 36.36 C = 97.45 F Cap Strength: 3.78 C Lifted Index: -2.32 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.32 C Lifted Index @700 mb: 0.19 C Showalter Index: 1.11 C Risk: Showers probable Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.50 C Cross Totals Index: 17.50 C K Index: 34.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 179.60 Risk: None Energy Index: 0.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 753.88 J/kg Max Up Vert Vel: 38.83 m/s Conv Inhibition (B-): 151.31 J/kg Cap Strength: 3.76 C Lift Cond Lev (LCL): 874.08 mb = 1248.11 m = 4094.78 ft Lev Free Conv (LFC): 689.08 mb = 3277.06 m = 10751.38 ft Equ Level (EL): 159.08 mb = 13901.01 m = 45606.45 ft B at Equ Level: 743.59 J/kg Max Parcel Lev (MPL): 99.08 mb = 16671.92 m = 54697.25 ft Wind level data Storm motion: 253 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 ---------------------------------------------------------- 0 986 181 210 2 1.0 1.7 | 89 5 -5.1 -0.1 1 940 610 245 16 14.5 6.8 | 240 10 8.4 4.9 2 925 753 245 14 12.7 5.9 | 238 8 6.6 4.1 3 908 914 245 12 10.9 5.1 | 236 6 4.8 3.2 4 850 1492 210 7 3.5 6.1 | 148 5 -2.6 4.2 5 847 1524 205 7 3.0 6.3 | 145 6 -3.2 4.5 6 788 2134 185 4 0.3 4.0 | 110 6 -5.8 2.1 7 708 3048 220 4 2.6 3.1 | 109 4 -3.6 1.2 8 700 3147 225 4 2.8 2.8 | 107 3 -3.3 1.0 9 657 3658 220 7 4.5 5.4 | 155 4 -1.6 3.5 10 587 4572 225 12 8.5 8.5 | 200 7 2.4 6.6 11 566 4877 240 12 10.4 6.0 | 226 6 4.3 4.2 12 525 5486 205 10 4.2 9.1 | 165 7 -1.9 7.2 13 500 5880 215 12 6.9 9.8 | 185 8 0.8 8.0 14 486 6096 220 12 7.7 9.2 | 192 8 1.6 7.4 15 400 7600 245 7 6.3 3.0 | 191 1 0.2 1.1 16 399 7620 245 8 7.3 3.4 | 216 2 1.1 1.5 17 324 9144 225 5 3.5 3.5 | 123 3 -2.6 1.7 18 300 9720 215 7 4.0 5.7 | 152 4 -2.1 3.9 19 262 10668 210 14 7.0 12.1 | 185 10 0.9 10.3 20 250 10990 220 13 8.4 10.0 | 195 8 2.2 8.1 21 209 12192 225 20 14.1 14.1 | 213 15 8.0 12.3 22 203 12374 225 66 46.7 46.7 | 222 60 40.5 44.8 23 200 12470 225 64 45.3 45.3 | 222 58 39.1 43.4 24 164 13716 200 22 7.5 20.7 | 184 19 1.4 18.8 25 150 14260 215 26 14.9 21.3 | 204 21 8.8 19.5 26 127 15240 210 18 9.0 15.6 | 192 14 2.9 13.7 27 104 16398 215 34 19.5 27.9 | 207 29 13.4 26.0 28 103 16459 190 8 1.4 7.9 | 142 8 -4.7 6.0 29 100 16620 215 45 25.8 36.9 | 209 40 19.7 35.0 30 74 18288 150 13 -6.5 11.3 | 127 16 -12.6 9.4 31 70 18620 225 51 36.1 36.1 | 221 45 29.9 34.2 32 57 19812 225 17 12.0 12.0 | 210 12 5.9 10.2 33 50 20590 270 22 22.0 -0.0 | 277 16 15.9 -1.8 34 44 21336 285 19 18.4 -4.9 | 299 14 12.2 -6.8 35 35 22860 340 35 12.0 -32.9 | 350 35 5.8 -34.7 36 30 23750 190 37 6.4 36.4 | 181 35 0.3 34.6 37 26 24384 195 64 16.6 61.8 | 190 61 10.4 60.0 38 22 24994 220 51 32.8 39.1 | 216 46 26.7 37.2 Wind Parameters Mean winds (0-6000m): 223.3 at 8.5 knts Storm direction: 253.3 at 6.4 knts Shear (0-3000m) pos: 2.7 neg: 2.3 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 21.1 deg Storm rel helicity (0-3000m) pos: 16.6 neg: -16.5 tot: 0.1 m^2/s^2 ave: 0.0 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 0.2 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 515.61 Bulk Shear: 1.46 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 ------------------------------------------------------------------------------- 500 242 10 223 4| 13.8 0.0 13.8| 16.3 0.0 16.3 32.6 0.86| 15.4 13.2 1000 242 11 227 5| 6.9 3.2 10.1| 16.3 -5.7 10.6 10.6 0.40| 11.2 4.5 1500 236 10 209 4| 4.6 3.9 8.5| 16.3 -12.3 4.0 2.7 0.14| 9.3 1.3 2000 230 9 188 4| 3.5 3.4 6.9| 16.3 -16.2 0.1 0.1 0.04| 7.6 0.3 2500 226 8 171 4| 3.0 2.7 5.7| 16.5 -16.2 0.3 0.1 0.04| 6.4 0.3 3000 225 7 161 3| 2.7 2.3 4.9| 16.6 -16.5 0.1 0.0 0.03| 5.5 0.2 4000 224 7 160 3| 2.3 1.5 3.8| 21.9 -16.5 5.4 1.4 0.16| 4.9 0.8 5000 226 8 174 4| 2.1 1.4 3.5| 29.2 -22.2 7.0 1.4 0.15| 4.8 0.7 6000 223 9 176 4| 1.9 1.3 3.3| 36.7 -27.9 8.8 1.5 0.14| 4.7 0.6 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20250417.00.gif