UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042500.upa.cvt Date: 0000Z 25 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 25 APR 25 Station: VVTS WMO ident: 48900 Latitude: 10.82 Longitude: 106.67 Elevation: 19.00 ------------------------------------------------------------------------------- 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 1011 19 27.6 24.7 84 2.9 25.4 0 0 299.8 303.4 298.2 357.7 19.73 1 1000 95 26.8 24.7 88 2.1 25.3 145 1 300.0 303.6 298.4 358.5 19.96 2 925 782 22.0 21.6 98 0.4 21.7 225 7 301.8 305.1 297.6 354.4 17.83 3 916 867 22.2 17.4 74 4.8 18.9 228 7 302.9 305.4 295.2 343.6 13.78 4 904 982 21.2 19.5 90 1.7 20.0 232 7 303.0 305.9 296.7 350.3 15.98 5 893 1089 21.6 15.6 69 6.0 17.5 235 7 304.4 306.8 294.8 341.9 12.58 6 887 1147 21.4 16.4 73 5.0 17.9 237 7 304.8 307.3 295.4 344.7 13.34 7 862 1395 19.6 16.7 83 2.9 17.6 246 7 305.5 308.1 296.0 347.4 14.01 8 850 1516 19.2 15.2 78 4.0 16.5 250 7 306.3 308.7 295.5 345.0 12.89 9 728 2834 11.4 7.6 77 3.8 9.0 230 4 311.6 313.3 294.2 339.4 9.04 10 700 3162 10.2 -0.8 46 11.0 4.4 225 3 313.8 314.8 291.7 330.1 5.16 11 696 3210 10.2 -2.8 40 13.0 3.5 223 3 314.3 315.2 291.3 328.5 4.47 12 689 3294 9.2 6.2 81 3.0 7.4 218 3 314.1 315.8 294.6 341.1 8.67 13 613 4256 3.4 1.4 87 2.0 2.2 170 4 318.1 319.4 294.3 340.1 6.93 14 545 5204 -1.5 -3.8 84 2.3 -2.7 121 4 323.1 324.2 294.4 340.5 5.31 15 539 5293 -1.7 -7.7 64 6.0 -4.5 116 5 323.9 324.7 293.6 337.1 3.98 16 521 5564 -2.7 -7.7 68 5.0 -5.0 102 5 325.9 326.7 294.2 339.6 4.12 17 500 5890 -4.3 -12.3 54 8.0 -7.7 85 5 327.8 328.4 293.8 337.9 2.98 18 494 5985 -4.9 -14.9 45 10.0 -8.8 85 5 328.2 328.7 293.4 336.6 2.43 19 480 6210 -6.7 -11.7 68 5.0 -8.8 84 6 328.7 329.3 294.3 339.7 3.25 20 477 6259 -6.9 -19.9 35 13.0 -11.3 84 7 329.0 329.4 293.0 334.8 1.65 21 473 6325 -6.9 -20.9 32 14.0 -11.6 84 7 329.8 330.1 293.1 335.2 1.53 22 472 6341 -7.1 -16.1 49 9.0 -10.5 84 7 329.8 330.2 293.7 337.8 2.31 23 469 6391 -7.1 -23.1 27 16.0 -12.1 84 7 330.4 330.6 293.0 334.9 1.27 24 454 6643 -9.3 -20.3 40 11.0 -12.9 83 8 330.7 331.0 293.4 336.6 1.68 25 443 6832 -11.1 -12.5 89 1.4 -11.7 82 9 330.8 331.4 294.8 342.1 3.31 26 435 6972 -11.7 -19.7 51 8.0 -14.3 82 10 331.7 332.1 293.9 338.2 1.84 27 429 7078 -12.5 -15.3 80 2.8 -13.6 82 10 332.0 332.6 294.7 341.4 2.71 28 426 7132 -12.7 -17.6 67 4.9 -14.5 81 11 332.4 332.9 294.4 340.3 2.25 29 424 7168 -12.5 -28.5 25 16.0 -16.6 81 11 333.1 333.3 293.4 336.3 0.86 30 401 7591 -15.3 -22.3 55 7.0 -17.4 80 13 334.9 335.2 294.4 340.6 1.59 31 400 7610 -15.5 -23.5 50 8.0 -17.9 80 13 334.8 335.1 294.3 340.0 1.44 32 392 7762 -16.5 -35.5 18 19.0 -20.3 77 13 335.5 335.6 293.6 337.3 0.47 33 379 8014 -17.9 -40.9 11 23.0 -21.8 72 12 336.9 336.9 293.8 338.0 0.28 34 350 8604 -21.7 -33.7 33 12.0 -24.1 59 10 339.5 339.6 294.8 341.9 0.63 35 346 8689 -21.9 -47.9 8 26.0 -25.2 57 10 340.4 340.4 294.6 340.9 0.14 36 332 8991 -24.5 -36.5 32 12.0 -26.6 51 9 340.8 340.9 295.0 342.8 0.51 37 329 9057 -24.7 -42.7 17 18.0 -27.2 49 9 341.4 341.5 294.9 342.5 0.27 38 320 9257 -26.5 -34.5 47 8.0 -27.9 45 8 341.7 341.8 295.3 344.1 0.64 39 317 9325 -27.1 -47.1 13 20.0 -29.4 44 8 341.8 341.8 294.9 342.5 0.17 40 315 9371 -27.3 -43.3 20 16.0 -29.4 43 8 342.1 342.2 295.1 343.2 0.26 41 314 9394 -27.5 -33.5 57 6.0 -28.6 42 8 342.1 342.3 295.5 344.9 0.72 42 312 9440 -27.7 -31.6 69 3.9 -28.5 41 8 342.5 342.7 295.7 345.8 0.87 43 300 9720 -29.9 -33.7 69 3.8 -30.6 35 7 343.2 343.4 295.7 346.1 0.74 44 251 10963 -39.7 -45.7 53 6.0 -40.2 6 5 346.6 346.7 296.1 347.7 0.25 45 250 10990 -39.9 -45.9 53 6.0 -40.4 5 5 346.7 346.8 296.1 347.8 0.25 46 213 12067 -48.1 -65.1 12 17.0 -48.6 59 9 350.2 350.2 296.7 350.4 0.03 47 202 12415 -51.1 -64.1 20 13.0 -51.4 77 11 350.8 350.9 296.8 351.0 0.03 48 200 12480 -51.7 -58.7 43 7.0 -52.0 80 11 350.9 350.9 296.9 351.2 0.07 49 190 12811 -54.5 -68.5 16 14.0 -54.8 81 12 351.6 351.6 297.0 351.7 0.02 50 178 13226 -58.3 -72.3 15 14.0 -58.5 82 13 352.0 352.0 297.1 352.0 0.01 51 164 13736 -63.1 -71.1 33 8.0 -63.2 83 14 352.3 352.3 297.1 352.3 0.02 52 150 14280 -67.3 -76.3 27 9.0 -67.4 85 15 354.2 354.2 297.5 354.2 0.01 53 126 15311 -76.1 -80.8 47 4.7 -76.1 82 17 356.3 356.3 298.0 356.4 0.00 54 123 15450 -76.7 -81.7 45 5.0 -76.7 82 18 357.7 357.7 298.2 357.7 0.00 55 111 16037 -79.5 -85.5 36 6.0 -79.5 80 19 363.1 363.1 299.3 363.1 0.00 56 100 16630 -79.3 -86.3 31 7.0 -79.3 70 23 374.5 374.5 301.4 374.5 0.00 TRP 111 16037 -79.5 -85.5 36 6.0 -79.5 80 19 363.1 363.1 299.3 363.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5795.00 m Freezing level: 565.82 mb = 4914.03 m = 16121.94 ft Wetbulb zero: 581.96 mb = 4674.98 m = 15337.68 ft Precipitable water: 2.27 inches Sfc-500 mean rel hum: 79.08 % Est. max temperature: 33.33 C = 91.99 F Sfc-Lift cond lev (LCL): 969.83 mb = 364.92 m = 1197.22 ft T: 24.91 C 700-500 lapse rate: 5.32 C/km ThetaE index: 18.86 C Layer 850.0- 689.0 mb Conv cond level (CCL): 928.66 mb = 747.18 m = 2451.36 ft Mean mixing ratio: 18.46 g/kg Conv temperature: 29.51 C = 85.12 F Cap Strength: 0.93 C Lifted Index: -3.21 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.37 C Lifted Index @700 mb: -1.83 C Showalter Index: 0.54 C Risk: Thunderstorms probable Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 19.50 C K Index: 27.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 201.40 Risk: None Energy Index: -1.38 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1581.72 J/kg Max Up Vert Vel: 56.24 m/s Conv Inhibition (B-): 11.82 J/kg Cap Strength: 0.92 C Lift Cond Lev (LCL): 938.51 mb = 654.20 m = 2146.31 ft Lev Free Conv (LFC): 833.51 mb = 1682.60 m = 5520.26 ft Equ Level (EL): 133.51 mb = 14968.21 m = 49107.69 ft B at Equ Level: 1578.32 J/kg Wind level data Storm motion: 247 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 1011 19 0 0 -0.0 -0.0 | 67 3 -3.2 -1.4 1 1000 95 145 1 -0.6 0.8 | 82 4 -3.7 -0.5 2 925 782 225 7 4.9 4.9 | 206 4 1.8 3.6 3 850 1516 250 7 6.6 2.4 | 253 4 3.4 1.0 4 700 3162 225 3 2.1 2.1 | 126 1 -1.0 0.8 5 500 5890 85 5 -5.0 -0.4 | 78 8 -8.1 -1.8 6 400 7610 80 13 -12.8 -2.3 | 77 16 -16.0 -3.6 7 300 9720 35 7 -4.0 -5.7 | 45 10 -7.2 -7.1 8 250 10990 5 5 -0.4 -5.0 | 30 7 -3.6 -6.3 9 200 12480 80 11 -10.8 -1.9 | 77 14 -14.0 -3.3 10 150 14280 85 15 -14.9 -1.3 | 82 18 -18.1 -2.7 11 111 16037 80 19 -18.7 -3.3 | 78 22 -21.9 -4.7 12 100 16630 70 23 -21.6 -7.9 | 70 26 -24.8 -9.2 Wind Parameters Mean winds (0-6000m): 216.8 at 4.6 knts Storm direction: 246.8 at 3.4 knts Shear (0-3000m) pos: 1.0 neg: 0.9 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 75.3 deg Storm rel helicity (0-3000m) pos: 12.1 neg: -1.5 tot: 10.6 m^2/s^2 ave: 3.5 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 1.6 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 1465.34 Bulk Shear: 1.08 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 ------------------------------------------------------------------------------- 500 185 2 109 3| 0.0 4.8 4.8| 5.4 0.0 5.4 10.9 0.99| 5.7 5.6 1000 221 4 171 2| 2.3 2.4 4.7| 10.2 0.0 10.2 10.2 0.99| 5.3 5.3 1500 231 5 204 2| 2.0 1.6 3.6| 12.1 0.0 12.1 8.1 0.99| 4.3 4.2 2000 235 6 217 2| 1.5 1.2 2.7| 12.1 -0.7 11.5 5.7 0.82| 3.6 2.9 2500 236 5 220 2| 1.2 1.0 2.2| 12.1 -1.2 11.0 4.4 0.68| 3.1 2.1 3000 237 5 218 2| 1.0 0.9 1.9| 12.1 -1.5 10.6 3.5 0.55| 2.9 1.6 4000 232 5 200 2| 0.7 1.0 1.8| 12.2 -1.9 10.2 2.6 0.44| 2.5 1.1 5000 222 5 177 2| 0.6 1.0 1.6| 12.2 -5.2 7.0 1.4 0.28| 2.4 0.7 6000 217 5 170 2| 0.5 1.0 1.5| 12.3 -11.8 0.4 0.1 0.11| 2.4 0.3 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250425.00.gif