UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:0000Z 27 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 92 SFC 989 181 24.2 21.5 85 2.7 22.3 0 0 298.3 301.3 295.8 346.4 16.54 2 971 345 23.4 20.9 86 2.5 21.6 308 3 299.1 302.0 295.8 346.4 16.23 3 925 777 24.8 18.8 69 6.0 20.6 215 13 304.7 307.4 296.4 349.2 14.93 4 897 1047 24.8 12.8 47 12.0 16.9 199 12 307.4 309.3 294.0 338.8 10.41 5 850 1517 22.0 13.0 57 9.0 16.0 160 10 309.2 311.3 295.1 343.1 11.14 6 700 3173 10.6 7.2 79 3.4 8.5 95 10 314.2 316.0 295.0 342.7 9.15 7 630 4042 4.6 3.2 91 1.4 3.8 93 11 317.0 318.5 294.6 341.2 7.67 8 577 4752 0.0 -1.4 90 1.4 -0.7 95 16 319.7 320.8 294.0 338.9 6.00 9 527 5475 -2.9 -18.9 28 16.0 -8.5 105 15 324.6 324.9 291.7 330.2 1.63 10 516 5642 -4.1 -21.1 25 17.0 -9.7 109 14 325.1 325.4 291.7 329.9 1.38 11 503 5843 -5.3 -20.3 30 15.0 -10.3 114 13 326.0 326.3 292.0 331.3 1.51 12 500 5890 -5.5 -15.5 45 10.0 -9.3 115 13 326.3 326.8 292.9 334.2 2.29 13 491 6033 -6.5 -10.1 76 3.6 -8.1 115 13 326.8 327.5 294.1 339.0 3.62 14 470 6374 -8.9 -13.5 69 4.6 -10.7 119 12 327.9 328.5 293.7 337.7 2.87 15 466 6440 -9.1 -15.1 62 6.0 -11.4 121 11 328.5 329.0 293.6 337.2 2.54 16 461 6524 -9.3 -12.2 79 2.9 -10.5 122 11 329.3 329.9 294.4 340.4 3.25 17 400 7610 -15.9 -16.9 92 1.0 -16.3 140 6 334.3 334.8 295.1 343.3 2.55 18 367 8253 -19.7 -20.3 95 0.6 -19.9 121 7 337.6 338.0 295.5 345.0 2.08 19 339 8838 -23.1 -26.3 75 3.2 -23.9 98 8 340.7 341.0 295.6 345.6 1.32 20 300 9720 -29.7 -32.0 80 2.3 -30.1 110 3 343.5 343.7 295.9 346.8 0.87 21 268 10518 -35.3 -40.3 60 5.0 -35.9 239 5 346.6 346.7 296.3 348.3 0.43 22 258 10783 -37.7 -43.7 53 6.0 -38.3 267 5 346.9 346.9 296.2 348.1 0.31 23 250 11000 -39.3 -45.3 53 6.0 -39.8 270 5 347.6 347.7 296.4 348.7 0.27 24 203 12384 -51.3 -57.3 49 6.0 -51.5 263 8 350.0 350.1 296.7 350.4 0.08 25 200 12480 -51.9 -56.9 55 5.0 -52.1 275 8 350.6 350.6 296.8 351.0 0.09 26 177 13261 -58.1 -66.1 35 8.0 -58.2 284 9 352.9 352.9 297.3 353.0 0.03 27 157 14003 -65.1 -67.0 77 1.9 -65.1 302 9 353.3 353.3 297.4 353.4 0.03 28 150 14280 -67.1 -69.0 77 1.9 -67.1 315 8 354.5 354.5 297.6 354.6 0.02 29 136 14864 -71.5 -76.4 48 4.9 -71.5 333 8 356.8 356.8 298.1 356.8 0.01 30 127 15264 -74.5 -77.2 66 2.7 -74.5 345 8 358.4 358.4 298.4 358.5 0.01 31 103 16455 -82.9 -86.1 57 3.2 -82.9 120 4 364.5 364.5 299.5 364.5 0.00 32 100 16620 -82.7 -86.1 56 3.4 -82.7 120 8 367.9 367.9 300.2 368.0 0.00 33 80 17877 -80.3 -88.3 25 8.0 -80.3 249 7 397.1 397.1 304.8 397.1 0.00 34 77 18095 -77.3 -86.3 22 9.0 -77.3 271 7 407.7 407.7 306.2 407.8 0.00 35 70 18640 -79.7 -88.7 21 9.0 -79.7 325 16 413.9 413.9 307.0 413.9 0.00 36 67 18888 -80.7 -88.7 25 8.0 -80.7 310 13 416.9 416.9 307.3 416.9 0.00 37 61 19422 -78.5 -90.5 12 12.0 -78.6 277 6 433.2 433.2 309.1 433.2 0.00 38 59 19615 -72.7 -88.7 7 16.0 -72.8 265 4 450.3 450.3 310.9 450.4 0.00 39 55 20033 -67.5 -89.5 3 22.0 -67.7 299 2 471.4 471.4 312.8 471.4 0.00 40 50 20610 -66.5 -89.5 3 23.0 -66.8 40 3 486.8 486.8 314.0 486.8 0.00 41 43 21527 -64.5 -89.5 2 25.0 -64.9 132 6 513.2 513.2 315.8 513.2 0.00 42 37 22465 -55.7 -85.7 1 30.0 -56.9 98 5 558.3 558.3 318.5 558.3 0.01 43 30 23800 -56.1 -86.1 1 30.0 -57.5 75 7 591.7 591.7 320.2 591.8 0.01 44 23 25495 -54.7 -85.7 1 31.0 -56.8 86 15 642.5 642.5 322.4 642.6 0.01 TRP 103 16455 -82.9 -86.1 57 3.2 -82.9 120 4 364.5 364.5 299.5 364.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5798.00 m Freezing level: 577.00 mb = 4752.15 m = 15590.87 ft Wetbulb zero: 585.72 mb = 4630.92 m = 15193.12 ft Precipitable water: 2.01 inches Sfc-500 mean rel hum: 68.73 % Est. max temperature: 35.41 C = 95.75 F Sfc-Lift cond lev (LCL): 951.13 mb = 528.85 m = 1735.06 ft T: 24.00 C 700-500 lapse rate: 5.93 C/km ThetaE index: 13.19 C Layer 700.0- 503.0 mb Conv cond level (CCL): 756.25 mb = 2513.76 m = 8247.14 ft Mean mixing ratio: 14.45 g/kg Conv temperature: 38.13 C = 100.63 F Cap Strength: 5.50 C Lifted Index: -1.01 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.98 C Lifted Index @700 mb: 1.21 C Showalter Index: 0.05 C Risk: Thunderstorms probable Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.50 C Cross Totals Index: 18.50 C K Index: 37.10 Risk: > 80 % chance of thunderstorms Sweat Index: 189.00 Risk: None Energy Index: -1.71 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 207.62 J/kg Max Up Vert Vel: 20.38 m/s Conv Inhibition (B-): 293.74 J/kg Cap Strength: 5.50 C Lift Cond Lev (LCL): 861.72 mb = 1397.37 m = 4584.49 ft Lev Free Conv (LFC): 646.72 mb = 3825.61 m = 12551.06 ft Equ Level (EL): 356.72 mb = 8462.40 m = 27763.46 ft B at Equ Level: 206.87 J/kg Max Parcel Lev (MPL): 216.72 mb = 11949.21 m = 39202.97 ft Wind level data Storm motion: 150 at 9 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 ---------------------------------------------------------- 0 989 181 0 0 -0.0 -0.0 | 330 9 4.5 -7.7 1 943 610 225 9 6.4 6.4 | 277 11 10.9 -1.4 2 925 777 215 13 7.5 10.6 | 256 12 12.0 2.9 3 911 914 210 12 6.0 10.4 | 256 11 10.5 2.7 4 850 1517 160 10 -3.4 9.4 | 213 2 1.1 1.7 5 849 1524 160 9 -3.1 8.5 | 243 2 1.4 0.7 6 791 2134 135 15 -10.6 10.6 | 115 7 -6.1 2.9 7 710 3048 105 10 -9.7 2.6 | 45 7 -5.1 -5.1 8 700 3173 95 10 -10.0 0.9 | 38 9 -5.5 -6.9 9 659 3658 95 8 -8.0 0.7 | 26 8 -3.5 -7.0 10 589 4572 90 16 -16.0 0.0 | 56 14 -11.5 -7.7 11 567 4877 100 16 -15.8 2.8 | 66 12 -11.2 -5.0 12 526 5486 105 15 -14.5 3.9 | 69 11 -10.0 -3.8 13 500 5890 115 13 -11.8 5.5 | 73 8 -7.3 -2.2 14 487 6096 115 13 -11.8 5.5 | 73 8 -7.3 -2.2 15 400 7610 140 6 -3.9 4.6 | 348 3 0.7 -3.1 16 399 7620 145 7 -4.0 5.7 | 346 2 0.5 -2.0 17 325 9144 85 8 -8.0 -0.7 | 22 9 -3.5 -8.4 18 300 9720 110 3 -2.8 1.0 | 346 7 1.7 -6.7 19 262 10668 265 5 5.0 0.4 | 308 12 9.5 -7.3 20 250 11000 270 5 5.0 -0.0 | 309 12 9.5 -7.7 21 209 12192 240 7 6.1 3.5 | 292 11 10.6 -4.2 22 200 12480 275 8 8.0 -0.7 | 304 15 12.5 -8.4 23 164 13716 290 9 8.5 -3.1 | 310 17 13.0 -10.8 24 150 14280 315 8 5.7 -5.7 | 323 17 10.2 -13.4 25 127 15240 345 8 2.1 -7.7 | 337 17 6.6 -15.5 26 103 16455 120 4 -3.5 2.0 | 350 6 1.0 -5.7 27 103 16459 115 2 -1.8 0.8 | 339 7 2.7 -6.9 28 100 16620 120 8 -6.9 4.0 | 33 4 -2.4 -3.7 29 74 18288 290 7 6.6 -2.4 | 312 15 11.1 -10.1 30 70 18640 325 16 9.2 -13.1 | 327 25 13.7 -20.8 31 57 19812 255 2 1.9 0.5 | 318 10 6.4 -7.2 32 50 20610 40 3 -1.9 -2.3 | 346 10 2.6 -10.0 33 45 21336 140 6 -3.9 4.6 | 348 3 0.7 -3.1 34 35 22860 85 5 -5.0 -0.4 | 3 8 -0.5 -8.2 35 30 23800 75 7 -6.8 -1.8 | 13 10 -2.3 -9.5 36 26 24384 80 10 -9.8 -1.7 | 29 11 -5.3 -9.5 37 19 25603 95 23 -22.9 2.0 | 73 19 -18.4 -5.7 Wind Parameters Mean winds (0-6000m): 119.7 at 11.9 knts Storm direction: 149.7 at 8.9 knts Shear (0-3000m) pos: 0.0 neg: 1.7 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 68.6 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -77.1 tot: -77.1 m^2/s^2 ave: -25.7 10^-3 m/s^2 rel: -0.70 Storm rel vorticity (0-3000m) horiz: 8.1 stream: -5.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.78 Bulk Shear: 26.70 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 ------------------------------------------------------------------------------- 500 224 5 296 9| 0.0 11.0 11.0| 0.0 -41.6 -41.6 -83.3 -0.82| 16.4-13.5 1000 212 9 273 9| 0.0 5.7 5.7| 0.0 -54.8 -54.8 -54.8 -0.73| 12.6 -9.2 1500 197 9 262 7| 0.0 3.6 3.6| 0.0 -57.4 -57.4 -38.3 -0.66| 10.8 -7.2 2000 178 10 240 5| 0.0 3.8 3.8| 0.0 -61.6 -61.6 -30.8 -0.65| 9.7 -6.4 2500 164 11 210 3| 0.0 2.5 2.5| 0.0 -69.6 -69.6 -27.8 -0.69| 8.8 -6.0 3000 154 11 174 2| 0.0 1.7 1.7| 0.0 -77.1 -77.1 -25.7 -0.70| 8.1 -5.7 4000 138 10 90 3| 0.0 1.6 1.6| 7.9 -80.5 -72.6 -18.1 -0.59| 6.9 -4.1 5000 123 11 74 5| 0.4 1.3 1.7| 22.3 -80.5 -58.2 -11.6 -0.45| 6.2 -2.8 6000 120 12 73 6| 0.5 1.1 1.5| 24.7 -80.6 -55.9 -9.3 -0.41| 5.6 -2.3 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20250427.00.gif