UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for VTSH... Searching the city database file for: VTSH ... Date:1200Z 26 APR 25 Station: VTSH WMO ident: 48568 Latitude: 7.20 Longitude: 100.60 Elevation: 5.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1008 5 28.0 23.3 76 4.7 24.6 270 4 300.5 303.8 297.4 353.8 18.15 1 1000 83 26.4 19.4 65 7.0 21.5 295 13 299.5 302.2 294.7 341.4 14.32 2 977 289 28.2 17.2 51 11.0 20.6 360 9 303.4 305.7 294.6 341.2 12.73 3 925 773 24.6 16.6 61 8.0 19.1 75 1 304.5 306.9 295.1 343.1 12.95 4 850 1510 20.8 12.8 60 8.0 15.5 0 0 307.9 310.0 294.6 341.2 10.99 5 700 3164 11.4 3.4 58 8.0 6.8 0 0 315.1 316.5 293.6 337.1 7.00 6 540 5273 -3.1 -7.9 69 4.8 -5.3 43 7 322.1 322.9 293.0 335.0 3.91 7 501 5864 -4.7 -18.7 33 14.0 -9.6 55 13 327.1 327.5 292.6 333.2 1.74 8 500 5880 -4.7 -18.7 33 14.0 -9.6 55 13 327.3 327.7 292.6 333.4 1.75 9 418 7274 -12.3 -23.3 39 11.0 -15.6 65 13 334.8 335.0 294.3 339.8 1.40 10 415 7329 -12.3 -35.3 13 23.0 -17.3 66 13 335.5 335.5 293.6 337.2 0.46 11 400 7610 -14.1 -32.1 20 18.0 -18.3 70 12 336.7 336.8 294.1 339.1 0.65 12 367 8257 -18.9 -26.9 49 8.0 -21.0 76 15 338.7 338.9 295.0 342.9 1.15 13 354 8525 -19.9 -41.9 12 22.0 -23.5 79 16 340.8 340.9 294.8 341.9 0.27 14 310 9495 -27.3 -38.3 34 11.0 -29.0 85 16 343.7 343.8 295.6 345.4 0.45 15 300 9730 -28.9 -44.9 20 16.0 -30.8 85 15 344.6 344.7 295.7 345.6 0.23 16 264 10626 -36.1 -58.1 9 22.0 -37.5 90 18 346.9 347.0 296.0 347.2 0.06 17 250 11000 -39.1 -58.1 12 19.0 -40.2 95 18 347.9 347.9 296.3 348.2 0.06 18 215 12016 -47.7 -53.7 50 6.0 -48.0 103 18 349.9 349.9 296.7 350.4 0.12 19 200 12490 -51.1 -57.1 49 6.0 -51.3 125 16 351.8 351.9 297.1 352.2 0.08 20 150 14290 -67.5 -73.5 42 6.0 -67.5 120 21 353.8 353.8 297.4 353.9 0.01 21 144 14534 -69.9 -75.9 41 6.0 -69.9 114 18 353.8 353.8 297.4 353.8 0.01 22 102 16543 -78.7 -83.7 44 5.0 -78.7 373.5 373.6 301.2 373.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5797.00 m Freezing level: 574.21 mb = 4821.98 m = 15819.96 ft Wetbulb zero: 610.42 mb = 4276.78 m = 14031.26 ft Precipitable water: 1.80 inches Sfc-500 mean rel hum: 59.86 % Est. max temperature: 35.10 C = 95.19 F Sfc-Lift cond lev (LCL): 941.85 mb = 613.42 m = 2012.49 ft T: 25.79 C 700-500 lapse rate: 5.93 C/km ThetaE index: 12.59 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 726.22 mb = 2850.73 m = 9352.67 ft Mean mixing ratio: 13.23 g/kg Conv temperature: 41.33 C = 106.39 F Cap Strength: 4.83 C Lifted Index: 1.08 C Risk: Showers probable Lifted Index @300 mb: 3.72 C Lifted Index @700 mb: 2.94 C Showalter Index: 1.61 C Risk: Showers probable Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 25.50 C Cross Totals Index: 17.50 C K Index: 30.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 166.60 Risk: None Energy Index: -1.47 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.84 J/kg Max Up Vert Vel: 7.85 m/s Conv Inhibition (B-): 377.82 J/kg Cap Strength: 4.83 C Lift Cond Lev (LCL): 841.54 mb = 1595.21 m = 5233.56 ft Lev Free Conv (LFC): 566.54 mb = 4882.95 m = 16019.98 ft Equ Level (EL): 516.54 mb = 5623.27 m = 18448.83 ft B at Equ Level: 29.52 J/kg Max Parcel Lev (MPL): 466.54 mb = 6418.85 m = 21058.97 ft Wind level data Storm motion: 58 at 3 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 1008 5 270 4 4.0 -0.0 | 257 7 6.3 1.5 1 1000 83 295 13 11.8 -5.5 | 286 15 14.1 -4.0 2 975 305 5 9 -0.8 -9.0 | 348 8 1.5 -7.5 3 942 610 35 2 -1.1 -1.6 | 278 1 1.2 -0.2 4 925 773 75 1 -1.0 -0.3 | 228 2 1.4 1.2 5 910 914 105 2 -1.9 0.5 | 191 2 0.4 2.0 6 879 1219 115 2 -1.8 0.8 | 193 2 0.5 2.3 7 850 1510 0 0 -0.0 -0.0 | 238 3 2.3 1.5 8 819 1829 0 0 -0.0 -0.0 | 238 3 2.3 1.5 9 790 2134 190 1 0.2 1.0 | 225 4 2.5 2.5 10 762 2438 360 1 -0.0 -1.0 | 258 2 2.3 0.5 11 735 2743 330 2 1.0 -1.7 | 274 3 3.3 -0.3 12 700 3164 0 0 -0.0 -0.0 | 238 3 2.3 1.5 13 658 3658 350 1 0.2 -1.0 | 259 3 2.5 0.5 14 611 4267 345 4 1.0 -3.9 | 305 4 3.4 -2.4 15 566 4877 35 4 -2.3 -3.3 | 359 2 0.0 -1.8 16 500 5880 55 13 -10.6 -7.5 | 54 10 -8.3 -6.0 17 486 6096 50 15 -11.5 -9.6 | 48 12 -9.2 -8.2 18 400 7610 70 12 -11.3 -4.1 | 74 9 -8.9 -2.6 19 399 7620 70 13 -12.2 -4.4 | 73 10 -9.9 -3.0 20 325 9144 85 18 -17.9 -1.6 | 90 16 -15.6 -0.1 21 300 9730 85 15 -14.9 -1.3 | 91 13 -12.6 0.2 22 262 10668 90 18 -18.0 0.0 | 95 16 -15.7 1.5 23 250 11000 95 18 -17.9 1.6 | 101 16 -15.6 3.0 24 209 12192 105 18 -17.4 4.7 | 112 16 -15.1 6.1 25 200 12490 125 16 -13.1 9.2 | 135 15 -10.8 10.7 26 164 13716 130 26 -19.9 16.7 | 136 25 -17.6 18.2 27 150 14290 120 21 -18.2 10.5 | 127 20 -15.9 12.0 28 128 15240 95 9 -9.0 0.8 | 109 7 -6.6 2.3 29 104 16459 330 13 6.5 -11.3 | 318 13 8.8 -9.8 Wind Parameters Mean winds (0-6000m): 27.6 at 3.7 knts Storm direction: 57.6 at 2.8 knts Shear (0-3000m) pos: 1.1 neg: 0.4 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): -3.4 deg Storm rel helicity (0-3000m) pos: 46.9 neg: -3.4 tot: 43.5 m^2/s^2 ave: 14.5 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 4.32 Bulk Shear: 7.15 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 ------------------------------------------------------------------------------- 500 334 9 316 9| 7.3 0.0 7.3| 43.8 -0.2 43.6 87.2 0.63| 28.1 17.6 1000 345 5 315 5| 3.1 0.0 3.1| 43.8 -1.9 42.0 42.0 0.39| 16.8 6.5 1500 355 4 314 4| 2.0 0.7 2.7| 44.6 -2.0 42.6 28.4 0.40| 12.2 4.8 2000 355 3 301 3| 1.5 0.7 2.2| 44.8 -2.1 42.8 21.4 0.39| 9.4 3.7 2500 354 3 293 3| 1.3 0.5 1.8| 46.6 -2.7 43.9 17.5 0.39| 8.2 3.2 3000 351 2 289 3| 1.1 0.4 1.5| 46.9 -3.4 43.5 14.5 0.36| 7.2 2.6 4000 350 2 281 3| 0.8 0.5 1.3| 48.7 -3.9 44.8 11.2 0.37| 5.8 2.2 5000 358 2 291 3| 1.1 0.4 1.4| 51.9 -3.9 48.0 9.6 0.41| 5.2 2.2 6000 28 4 341 2| 1.7 0.3 2.0| 57.8 -5.4 52.3 8.7 0.40| 5.2 2.1 Wrote GIF file: /home/apache/climate/data/raob//VTSH/skewt/VTSH.skewt.20250426.12.gif