UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for VGTJ... Searching the city database file for: VGTJ ... Date:1200Z 20 APR 25 Station: VGTJ WMO ident: 41923 Latitude: 23.77 Longitude: 90.38 Elevation: 9.00 ------------------------------------------------------------------------------- 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 1003 9 33.0 23.0 56 10.0 25.6 0 0 305.9 309.2 298.6 359.6 17.91 1 1000 40 32.0 24.0 63 8.0 26.0 175 6 305.1 308.7 299.2 362.4 19.11 2 987 158 30.4 23.4 66 7.0 25.2 183 5 304.7 308.2 298.8 360.5 18.66 3 925 736 25.6 21.8 80 3.8 22.8 225 3 305.5 308.8 298.6 359.6 18.05 4 888 1094 22.6 19.8 84 2.8 20.6 244 9 306.0 309.1 297.8 355.7 16.59 5 864 1333 21.2 18.0 82 3.2 18.9 257 13 306.9 309.8 297.2 352.7 15.20 6 850 1475 20.6 16.0 75 4.6 17.4 265 15 307.7 310.3 296.4 348.7 13.58 7 786 2147 16.2 10.2 68 6.0 12.4 283 25 310.0 311.9 294.4 340.5 9.99 8 746 2591 15.2 0.2 36 15.0 7.0 295 32 313.6 314.6 291.7 330.0 5.21 9 726 2821 13.4 -2.6 33 16.0 5.1 302 36 314.0 314.9 291.1 327.9 4.35 10 700 3127 10.8 -2.2 40 13.0 4.0 310 41 314.4 315.3 291.5 329.2 4.65 11 656 3661 5.8 -4.2 49 10.0 0.8 311 41 314.7 315.5 291.2 328.3 4.27 12 651 3724 5.2 -5.8 45 11.0 -0.0 311 41 314.7 315.4 290.8 326.9 3.81 13 632 3965 6.4 -34.6 3 41.0 -4.4 312 42 318.8 318.8 288.7 319.9 0.32 14 620 4122 7.2 -28.8 6 36.0 -3.7 312 42 321.4 321.5 289.8 323.5 0.57 15 545 5167 0.6 -33.4 6 34.0 -8.2 314 42 325.6 325.7 290.9 327.2 0.42 16 500 5850 -5.3 -35.3 7 30.0 -12.2 315 43 326.6 326.7 291.2 328.0 0.38 17 455 6581 -12.3 -37.3 10 25.0 -17.1 312 51 326.7 326.8 291.2 328.0 0.34 18 445 6750 -12.5 -42.5 6 30.0 -17.6 312 53 328.6 328.6 291.5 329.4 0.20 19 440 6837 -9.1 -56.1 1 47.0 -15.8 312 53 333.9 333.9 292.8 334.1 0.04 20 421 7178 -10.1 -53.1 2 43.0 -16.6 310 57 336.9 336.9 293.6 337.2 0.07 21 416 7270 -10.8 -53.1 2 42.3 -17.1 310 58 337.1 337.1 293.7 337.4 0.07 22 400 7570 -13.3 -53.3 2 40.0 -18.8 310 55 337.7 337.7 293.8 338.0 0.07 23 300 9700 -27.9 -62.9 2 35.0 -30.5 270 34 346.1 346.1 295.8 346.2 0.03 24 250 10980 -38.1 -67.1 3 29.0 -39.4 265 37 349.4 349.4 296.5 349.5 0.02 25 201 12438 -50.3 -69.3 9 19.0 -50.7 255 37 352.6 352.6 297.2 352.7 0.02 26 200 12470 -50.3 -69.3 9 19.0 -50.7 255 37 353.1 353.1 297.3 353.2 0.02 27 150 14300 -63.1 -77.1 13 14.0 -63.2 260 33 361.4 361.4 299.0 361.4 0.01 28 121 15594 -72.1 -84.1 15 12.0 -72.2 367.8 367.8 300.2 367.8 0.00 TRP WND 416 7270 -10.8 -53.1 2 42.3 -17.1 310 58 337.1 337.1 293.7 337.4 0.07 Sounding variables and indices 1000-500 mb thick: 5810.00 m Freezing level: 540.42 mb = 5236.71 m = 17180.59 ft Wetbulb zero: 651.22 mb = 3720.96 m = 12207.74 ft Precipitable water: 1.68 inches Sfc-500 mean rel hum: 40.99 % Est. max temperature: 34.67 C = 94.40 F Sfc-Lift cond lev (LCL): 868.76 mb = 1285.33 m = 4216.92 ft T: 21.48 C 700-500 lapse rate: 5.91 C/km ThetaE index: 34.54 C Layer 987.0- 700.0 mb Conv cond level (CCL): 851.09 mb = 1463.83 m = 4802.55 ft Mean mixing ratio: 18.26 g/kg Conv temperature: 34.78 C = 94.60 F Cap Strength: 0.98 C Lifted Index: -5.67 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -4.60 C Lifted Index @700 mb: -2.34 C Showalter Index: -1.89 C Risk: Thunderstorms probable Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 21.30 C K Index: 28.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 265.00 Risk: None Energy Index: -3.93 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1749.56 J/kg Max Up Vert Vel: 59.15 m/s Conv Inhibition (B-): 18.06 J/kg Cap Strength: 0.98 C Lift Cond Lev (LCL): 881.64 mb = 1157.06 m = 3796.08 ft Lev Free Conv (LFC): 826.64 mb = 1714.21 m = 5623.97 ft Equ Level (EL): 156.64 mb = 14024.47 m = 46011.50 ft B at Equ Level: 1744.33 J/kg Wind level data Storm motion: 337 at 23 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 1003 9 0 0 -0.0 -0.0 | 157 23 -9.0 20.7 1 1000 40 175 6 -0.5 6.0 | 160 28 -9.5 26.7 2 925 736 225 3 2.1 2.1 | 163 24 -6.8 22.8 3 850 1475 265 15 14.9 1.3 | 195 23 6.0 22.0 4 700 3127 310 41 31.4 -26.4 | 284 23 22.5 -5.6 5 500 5850 315 43 30.4 -30.4 | 294 24 21.5 -9.7 6 416 7270 310 58 44.4 -37.3 | 295 39 35.5 -16.6 7 400 7570 310 55 42.1 -35.4 | 294 36 33.2 -14.6 8 300 9700 270 34 34.0 -0.0 | 230 33 25.0 20.7 9 250 10980 265 37 36.9 3.2 | 229 37 27.9 23.9 10 200 12470 255 37 35.7 9.6 | 221 40 26.8 30.3 11 150 14300 260 33 32.5 5.7 | 222 35 23.5 26.4 Wind Parameters Mean winds (0-6000m): 306.6 at 30.1 knts Storm direction: 336.6 at 22.6 knts Shear (0-3000m) pos: 6.8 neg: 0.7 tot: 7.5 10-3/s Storm rel Dir Shear (0-3000m): 120.3 deg Storm rel helicity (0-3000m) pos: 288.9 neg: -0.8 tot: 288.1 m^2/s^2 ave: 96.0 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 9.4 stream: 8.2 10^-3/s Energy-Hel index: 1.80 Bulk Rich Number: 12.35 Bulk Shear: 141.67 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 ------------------------------------------------------------------------------- 500 188 5 162 27| 0.0 4.1 4.1| 21.9 0.0 21.9 43.7 0.37| 8.9 3.3 1000 205 5 164 26| 2.3 2.0 4.4| 50.9 -0.8 50.1 50.1 0.53| 7.4 3.9 1500 241 7 173 24| 4.7 1.4 6.1|110.6 -0.8 109.7 73.1 0.71| 8.3 5.8 2000 258 10 182 23| 5.8 1.0 6.8|164.4 -0.8 163.6 81.8 0.79| 8.6 6.7 2500 273 14 193 21| 6.4 0.8 7.2|222.8 -0.8 222.0 88.8 0.84| 8.9 7.5 3000 287 17 206 17| 6.8 0.7 7.5|288.9 -0.8 288.1 96.0 0.87| 9.4 8.2 4000 299 23 230 15| 5.5 0.5 6.0|314.3 -0.8 313.5 78.4 0.88| 7.6 6.7 5000 304 27 247 15| 4.5 0.4 4.9|323.7 -0.8 322.9 64.6 0.88| 6.3 5.5 6000 307 30 260 15| 3.9 0.3 4.3|332.9 -0.8 332.1 55.3 0.86| 5.5 4.7 Wrote GIF file: /home/apache/climate/data/raob//VGTJ/skewt/VGTJ.skewt.20250420.12.gif