UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for VGTJ... Searching the city database file for: VGTJ ... Date:0000Z 18 OCT 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 1011 9 26.0 24.2 90 1.8 24.7 0 0 298.2 301.7 297.5 353.9 19.13 1 1005 61 27.8 23.3 77 4.5 24.5 0 3 300.5 303.9 297.5 354.0 18.21 2 1000 105 27.8 23.2 76 4.6 24.5 360 5 301.0 304.3 297.6 354.5 18.19 3 972 357 27.4 19.4 62 8.0 21.8 15 5 303.0 305.7 295.9 346.7 14.74 4 969 385 27.2 19.2 62 8.0 21.5 16 5 303.1 305.8 295.8 346.3 14.60 5 925 794 23.2 20.2 83 3.0 21.1 40 4 303.0 306.0 297.0 351.4 16.32 6 923 813 23.2 20.3 84 2.9 21.1 40 4 303.2 306.3 297.1 352.0 16.46 7 885 1179 20.6 17.4 82 3.2 18.4 48 5 304.2 306.8 295.9 346.7 14.27 8 850 1528 18.8 13.8 73 5.0 15.5 55 5 305.8 308.0 294.6 341.1 11.75 9 802 2025 15.4 11.6 78 3.8 12.9 39 6 307.3 309.4 294.3 339.9 10.76 10 789 2163 14.8 9.8 72 5.0 11.6 34 6 308.1 310.0 293.7 337.6 9.69 11 760 2480 13.8 5.8 58 8.0 9.0 23 6 310.4 311.8 292.7 333.9 7.63 12 750 2592 14.0 -1.0 36 15.0 6.1 20 6 311.8 312.7 290.7 326.7 4.74 13 749 2603 14.0 -1.0 36 15.0 6.1 19 6 311.9 312.8 290.8 326.8 4.75 14 700 3170 9.0 0.0 53 9.0 4.2 360 7 312.5 313.5 291.6 329.6 5.47 15 690 3289 8.0 0.0 57 8.0 3.7 357 7 312.6 313.7 291.7 330.0 5.55 16 689 3301 7.8 -0.2 57 8.0 3.5 357 7 312.5 313.6 291.6 329.7 5.48 17 687 3325 8.0 -5.0 39 13.0 1.7 357 7 313.0 313.7 290.3 325.2 3.84 18 650 3780 5.2 -9.8 33 15.0 -1.3 347 6 314.8 315.4 289.9 323.9 2.79 19 601 4415 0.4 -9.6 47 10.0 -3.9 333 5 316.4 317.0 290.7 326.4 3.07 20 600 4428 0.4 -8.6 51 9.0 -3.6 333 5 316.6 317.2 291.0 327.4 3.33 21 584 4645 0.0 -21.0 19 21.0 -7.0 328 5 318.6 318.8 289.6 322.8 1.23 22 564 4923 -1.7 -22.7 18 21.0 -8.3 321 4 319.8 320.0 289.8 323.5 1.09 23 549 5138 -1.5 317 4 322.5 24 539 5285 -1.3 -45.3 2 44.0 -9.9 313 4 324.4 324.4 290.2 324.9 0.12 25 500 5880 -5.1 -47.1 2 42.0 -12.6 300 3 326.8 326.8 290.9 327.3 0.11 26 406 7478 -15.5 -47.5 5 32.0 -20.2 272 16 333.4 333.4 292.8 333.9 0.13 27 400 7590 -15.5 -59.5 1 44.0 -20.4 270 17 334.8 334.8 293.0 335.0 0.03 28 362 8337 -19.1 -44.1 9 25.0 -22.9 261 21 339.7 339.8 294.4 340.6 0.21 29 300 9700 -30.9 -49.9 14 19.0 -32.7 245 28 341.8 341.9 294.9 342.4 0.13 30 289 9964 -33.3 -50.3 17 17.0 -34.8 246 29 342.1 342.1 295.0 342.6 0.13 31 250 10970 -39.9 -60.9 9 21.0 -40.9 250 31 346.7 346.8 296.0 346.9 0.04 32 227 11625 -44.7 -63.7 10 19.0 -45.4 250 32 349.1 349.1 296.5 349.3 0.03 33 200 12460 -52.5 -63.5 25 11.0 -52.8 250 33 349.6 349.6 296.6 349.8 0.04 34 194 12656 -54.3 -65.3 25 11.0 -54.5 251 32 349.8 349.8 296.6 349.9 0.03 35 178 13203 -58.9 -70.9 20 12.0 -59.0 254 31 351.0 351.0 296.8 351.1 0.02 36 150 14260 -65.9 -78.9 15 13.0 -66.0 260 28 356.6 356.6 298.0 356.6 0.01 37 123 15440 -74.3 -98.3 1 24.0 -74.3 275 20 362.1 362.1 299.1 362.1 0.00 38 116 15779 -76.7 -93.7 5 17.0 -76.7 279 18 363.8 363.8 299.4 363.8 0.00 39 100 16630 -77.9 -90.9 10 13.0 -77.9 290 12 377.2 377.2 301.8 377.2 0.00 40 98 16745 -78.7 -90.7 12 12.0 -78.7 280 11 377.8 377.8 301.9 377.9 0.00 41 97 16804 -78.7 -89.7 15 11.0 -78.7 281 11 379.0 379.0 302.1 379.0 0.00 42 85 17554 -79.3 -93.3 8 14.0 -79.3 297 8 392.3 392.3 304.1 392.3 0.00 43 79 17975 -73.9 -89.9 7 16.0 -74.0 306 7 411.8 411.8 306.7 411.8 0.00 44 71 18597 -74.1 -94.1 3 20.0 -74.2 318 4 424.1 424.1 308.2 424.1 0.00 45 70 18680 -73.1 -91.1 5 18.0 -73.2 320 4 428.0 428.0 308.6 428.0 0.00 46 58 19796 -67.3 -95.3 1 28.0 -67.5 52 7 464.7 464.7 312.2 464.7 0.00 47 50 20690 -66.9 -83.9 7 17.0 -67.1 125 9 485.8 485.8 313.9 485.9 0.01 48 45 21329 -66.5 -88.5 3 22.0 -66.8 116 12 501.7 501.7 315.1 501.7 0.00 49 30 23850 -55.9 -85.9 1 30.0 -57.3 80 23 592.2 592.3 320.3 592.3 0.01 50 27 24525 -53.1 -79.1 3 26.0 -55.2 618.2 618.2 321.4 618.4 0.03 51 23 25558 -53.1 -83.1 1 30.0 -55.5 647.2 647.2 322.6 647.4 0.02 TRP 98 16745 -78.7 -90.7 12 12.0 -78.7 280 11 377.8 377.8 301.9 377.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5775.00 m Freezing level: 584.00 mb = 4644.95 m = 15239.14 ft Wetbulb zero: 666.13 mb = 3578.42 m = 11740.09 ft Precipitable water: 1.64 inches Sfc-500 mean rel hum: 49.88 % Est. max temperature: 33.12 C = 91.62 F Sfc-Lift cond lev (LCL): 985.34 mb = 236.15 m = 774.77 ft T: 27.59 C 700-500 lapse rate: 5.20 C/km ThetaE index: 25.37 C Layer 885.0- 749.0 mb Conv cond level (CCL): 847.56 mb = 1552.54 m = 5093.57 ft Mean mixing ratio: 16.13 g/kg Conv temperature: 33.72 C = 92.70 F Cap Strength: 1.53 C Lifted Index: -2.25 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.62 C Lifted Index @700 mb: -1.63 C Showalter Index: 1.27 C Risk: Showers probable Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 18.90 C K Index: 28.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 178.60 Risk: None Energy Index: -2.57 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 753.75 J/kg Max Up Vert Vel: 38.83 m/s Conv Inhibition (B-): 43.04 J/kg Cap Strength: 1.53 C Lift Cond Lev (LCL): 890.37 mb = 1126.49 m = 3695.80 ft Lev Free Conv (LFC): 805.37 mb = 1988.86 m = 6525.05 ft Equ Level (EL): 765.37 mb = 2420.60 m = 7941.49 ft B at Equ Level: 14.66 J/kg Max Parcel Lev (MPL): 105.37 mb = 16330.04 m = 53575.60 ft Wind level data Storm motion: 36 at 4 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 9 0 0 -0.0 -0.0 | 216 4 2.2 3.1 1 1000 105 360 5 -0.0 -5.0 | 311 3 2.2 -1.9 2 925 794 40 4 -2.6 -3.1 | 96 0 -0.3 0.0 3 850 1528 55 5 -4.1 -2.9 | 97 2 -1.9 0.2 4 700 3170 360 7 -0.0 -7.0 | 330 4 2.2 -3.9 5 500 5880 300 3 2.6 -1.5 | 252 5 4.8 1.6 6 400 7590 270 17 17.0 -0.0 | 261 19 19.2 3.1 7 300 9700 245 28 25.4 11.8 | 242 31 27.6 14.9 8 250 10970 250 31 29.1 10.6 | 246 34 31.4 13.7 9 200 12460 250 33 31.0 11.3 | 247 36 33.2 14.4 10 150 14260 260 28 27.6 4.9 | 255 31 29.8 8.0 11 100 16630 290 12 11.3 -4.1 | 274 14 13.5 -1.0 12 98 16745 280 11 10.8 -1.9 | 265 13 13.1 1.2 13 70 18680 320 4 2.6 -3.1 | 270 5 4.8 0.0 14 50 20690 125 9 -7.4 5.2 | 148 10 -5.2 8.3 15 30 23850 80 23 -22.7 -4.0 | 88 20 -20.4 -0.9 Wind Parameters Mean winds (0-6000m): 5.6 at 5.1 knts Storm direction: 35.6 at 3.8 knts Shear (0-3000m) pos: 0.9 neg: 0.9 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 121.1 deg Storm rel helicity (0-3000m) pos: 3.5 neg: -2.9 tot: 0.6 m^2/s^2 ave: 0.2 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 2.7 stream: 0.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 7382.36 Bulk Shear: 0.10 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 10 4 307 2| 4.5 0.0 4.5| 3.3 0.0 3.3 6.6 0.83| 7.9 6.5 1000 22 4 322 1| 2.2 0.0 2.2| 3.4 -0.0 3.4 3.4 0.77| 4.8 3.7 1500 32 4 12 1| 1.7 0.0 1.7| 3.5 -0.0 3.5 2.3 0.70| 3.6 2.5 2000 37 5 42 1| 1.3 0.4 1.7| 3.5 -0.7 2.7 1.4 0.48| 3.1 1.5 2500 35 5 31 1| 1.0 0.7 1.7| 3.5 -1.6 1.8 0.7 0.30| 2.9 0.9 3000 29 5 11 1| 0.9 0.9 1.7| 3.5 -2.9 0.6 0.2 0.17| 2.7 0.5 4000 18 5 346 2| 0.6 0.8 1.5| 3.5 -6.3 -2.9 -0.7 -0.01| 2.4 -0.0 5000 10 5 330 3| 0.5 0.7 1.2| 3.5 -9.4 -6.0 -1.2 -0.12| 2.2 -0.3 6000 6 5 319 3| 0.4 0.7 1.1| 4.2 -11.6 -7.5 -1.2 -0.15| 2.1 -0.3 Wrote GIF file: /home/apache/climate/data/raob//VGTJ/skewt/VGTJ.skewt.20251018.00.gif