UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051100.upa.cvt Date: 0000Z 11 MAY 25 Searching for VT453... Searching the city database file for: VT453 ... Date:0000Z 11 MAY 25 Station: VT453 WMO ident: 48453 Latitude: 13.67 Longitude: 100.61 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1005 19 25.2 22.5 85 2.7 23.3 0 0 297.9 301.1 296.3 348.2 17.32 1 958 437 23.6 23.6 100 0.0 23.6 182 3 300.4 304.0 298.2 357.7 19.49 2 937 630 22.4 21.0 92 1.4 21.4 236 6 301.1 304.2 296.8 350.9 16.94 3 925 742 23.4 20.2 82 3.2 21.1 255 8 303.2 306.3 297.0 351.6 16.32 4 921 780 24.0 19.9 78 4.1 21.1 257 8 304.2 307.2 297.1 352.1 16.08 5 897 1011 23.0 18.8 77 4.2 20.0 268 10 305.5 308.4 297.0 351.6 15.40 6 850 1480 20.4 17.2 82 3.2 18.2 285 10 307.5 310.3 297.0 351.8 14.68 7 769 2339 14.4 13.8 96 0.6 14.0 306 9 310.0 312.4 296.5 349.7 13.01 8 700 3132 10.6 8.4 86 2.2 9.2 350 8 314.2 316.1 295.6 345.1 9.94 9 670 3497 9.6 2.6 62 7.0 5.6 353 13 317.1 318.4 294.1 339.0 6.91 10 655 3685 8.8 2.8 66 6.0 5.3 355 15 318.2 319.6 294.6 341.0 7.17 11 625 4072 5.8 1.4 73 4.4 3.3 2 17 319.1 320.4 294.5 340.8 6.79 12 606 4325 5.4 -1.6 61 7.0 1.6 6 19 321.5 322.6 294.3 339.7 5.62 13 518 5590 -3.5 -3.7 99 0.2 -3.6 4 18 325.5 326.6 295.3 344.0 5.63 14 507 5760 -3.5 -4.8 91 1.3 -4.1 1 17 327.5 328.5 295.5 345.0 5.29 15 500 5870 -3.9 -4.6 95 0.7 -4.3 360 16 328.3 329.4 295.8 346.4 5.45 16 479 6208 -6.1 -6.1 100 0.0 -6.1 0 14 329.6 330.6 295.9 346.6 5.07 17 400 7600 -14.3 -16.2 85 1.9 -15.0 5 17 336.4 337.0 295.7 345.9 2.70 18 379 8007 -16.7 -19.5 79 2.8 -17.6 338.5 338.9 295.8 346.2 2.15 TRP WND Sounding variables and indices 1000-500 mb thick: 5807.16 m Freezing level: 552.61 mb = 5092.41 m = 16707.18 ft Wetbulb zero: 578.63 mb = 4697.62 m = 15411.94 ft Precipitable water: 2.46 inches Sfc-500 mean rel hum: 82.59 % Est. max temperature: 34.59 C = 94.25 F Sfc-Lift cond lev (LCL): 966.62 mb = 359.21 m = 1178.51 ft T: 23.90 C 700-500 lapse rate: 5.30 C/km ThetaE index: 12.86 C Layer 769.0- 655.0 mb Conv cond level (CCL): 843.67 mb = 1544.12 m = 5065.96 ft Mean mixing ratio: 17.63 g/kg Conv temperature: 34.99 C = 94.99 F Cap Strength: 2.77 C Lifted Index: -1.99 C Risk: Thunderstorms probable Lifted Index @700 mb: -0.79 C Showalter Index: -1.58 C Risk: Thunderstorms probable Total Totals Index: 45.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 21.10 C K Index: 39.30 Risk: > 80 % chance of thunderstorms Sweat Index: 242.40 Risk: None Energy Index: -1.13 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 342.82 J/kg Max Up Vert Vel: 26.18 m/s Conv Inhibition (B-): 87.44 J/kg Cap Strength: 2.74 C Lift Cond Lev (LCL): 928.89 mb = 705.52 m = 2314.67 ft Lev Free Conv (LFC): 773.89 mb = 2284.95 m = 7496.45 ft Wind level data Storm motion: 12 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 1005 19 0 0 -0.0 -0.0 | 192 9 2.0 9.1 1 1000 0 250 9 8.5 3.1 | 221 16 10.4 12.2 2 968 305 155 2 -0.8 1.8 | 186 11 1.1 10.9 3 938 610 235 6 4.9 3.4 | 209 14 6.9 12.6 4 925 742 255 8 7.7 2.1 | 221 15 9.7 11.2 5 907 914 265 10 10.0 0.9 | 230 16 11.9 10.0 6 850 1480 285 10 9.7 -2.6 | 241 13 11.6 6.5 7 846 1524 285 10 9.7 -2.6 | 241 13 11.6 6.5 8 787 2134 295 9 8.2 -3.8 | 242 11 10.1 5.3 9 707 3048 345 8 2.1 -7.7 | 251 4 4.1 1.4 10 700 3132 350 8 1.4 -7.9 | 250 4 3.4 1.3 11 656 3658 355 15 1.3 -14.9 | 330 7 3.3 -5.8 12 586 4572 10 20 -3.5 -19.7 | 8 11 -1.5 -10.6 13 565 4877 360 19 -0.0 -19.0 | 349 10 2.0 -9.9 14 524 5486 5 18 -1.6 -17.9 | 357 9 0.4 -8.8 15 500 5870 360 16 -0.0 -16.0 | 344 7 2.0 -6.9 16 486 6096 360 14 -0.0 -14.0 | 338 5 2.0 -4.9 17 400 7600 5 17 -1.5 -16.9 | 356 8 0.5 -7.8 18 399 7620 10 17 -3.0 -16.7 | 7 8 -1.0 -7.6 Wind Parameters Mean winds (0-6000m): 342.3 at 12.5 knts Storm direction: 12.3 at 9.4 knts Shear (0-3000m) pos: 2.0 neg: 0.9 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 34.5 deg Storm rel helicity (0-3000m) pos: 56.5 neg: -31.4 tot: 25.1 m^2/s^2 ave: 8.4 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 1.3 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 10.94 Bulk Shear: 31.33 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 ------------------------------------------------------------------------------- 500 219 4 201 14| 0.0 5.4 5.4| 9.7 -31.2 -21.5 -43.0 -0.36| 14.7 -5.3 1000 246 6 214 14| 4.3 2.7 7.0| 42.9 -31.2 11.7 11.7 0.15| 11.9 1.8 1500 261 8 223 14| 3.4 1.8 5.1| 51.1 -31.2 19.9 13.3 0.21| 8.9 1.9 2000 270 8 228 14| 2.5 1.3 3.8| 52.2 -31.2 20.9 10.5 0.21| 7.1 1.5 2500 278 8 232 13| 2.2 1.1 3.3| 55.7 -31.2 24.5 9.8 0.23| 6.4 1.5 3000 286 8 235 12| 2.0 0.9 2.9| 56.5 -31.4 25.1 8.4 0.21| 6.0 1.3 4000 312 9 253 9| 2.7 0.7 3.4| 67.4 -31.5 35.9 9.0 0.34| 5.9 2.0 5000 334 11 279 7| 2.5 0.3 2.8| 75.2 -39.8 35.3 7.1 0.29| 5.4 1.6 6000 342 12 295 6| 2.0 0.4 2.4| 77.5 -44.1 33.4 5.6 0.25| 5.0 1.2 Wrote GIF file: /home/apache/climate/data/raob//VT453/skewt/VT453.skewt.20250511.00.gif