UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for OISS... Searching the city database file for: OISS ... Date:0000Z 19 APR 25 Station: OISS WMO ident: 40848 Latitude: 29.53 Longitude: 52.58 Elevation: 1491.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 89 1 920 1597 2 850 1167 300 4 SFC 849 1491 12.2 -9.8 20 22.0 3.1 300 4 299.0 299.4 283.7 305.6 2.14 4 838 1600 15.4 -7.6 20 23.0 5.1 299 5 303.5 304.0 285.9 311.5 2.57 5 832 1660 15.2 -8.8 18 24.0 4.6 298 5 303.9 304.4 285.8 311.3 2.36 6 795 2042 13.6 -15.4 12 29.0 2.4 295 9 306.2 306.5 285.7 310.9 1.45 7 747 2558 9.0 -18.0 13 27.0 -0.6 290 13 306.7 306.9 285.6 310.8 1.24 8 700 3090 6.4 285 18 309.6 9 670 3448 4.2 284 21 311.0 10 500 5760 -11.5 -54.5 1 43.0 -16.9 280 39 319.0 319.0 288.5 319.2 0.05 11 400 7430 -24.1 -41.1 19 17.0 -26.3 270 56 323.7 323.7 290.2 324.7 0.26 12 368 8031 -29.3 -39.3 37 10.0 -30.5 269 62 324.6 324.6 290.5 325.8 0.34 13 300 9460 -38.3 -58.3 10 20.0 -39.3 265 78 331.4 331.4 292.2 331.6 0.05 14 287 9763 -39.9 -60.9 9 21.0 -40.8 265 82 333.3 333.3 292.6 333.5 0.04 15 281 9908 -39.7 -60.7 9 21.0 -40.6 265 83 335.6 335.6 293.3 335.8 0.04 16 260 10435 -42.3 -65.3 6 23.0 -43.1 265 90 339.3 339.4 294.2 339.4 0.02 17 250 10700 -42.1 -66.1 6 24.0 -42.9 265 93 343.5 343.5 295.2 343.6 0.02 18 247 10782 -41.9 -66.9 5 25.0 -42.8 265 94 345.0 345.0 295.5 345.0 0.02 19 200 12190 -47.7 -78.7 2 31.0 -48.3 260 103 357.2 357.2 298.1 357.3 0.00 20 187 12634 -51.4 -81.9 1 30.5 -51.8 260 110 358.2 358.2 298.4 358.2 0.00 21 155 13833 -61.7 -90.7 1 29.0 -61.9 256 94 360.4 360.4 298.8 360.4 0.00 22 153 13915 -57.9 -87.9 1 30.0 -58.2 255 93 368.2 368.2 300.2 368.2 0.00 23 150 14040 -58.9 -88.9 1 30.0 -59.1 255 91 368.6 368.6 300.3 368.6 0.00 24 137 14605 -62.1 -91.1 1 29.0 -62.3 255 88 372.6 372.6 301.0 372.6 0.00 25 136 14650 -60.7 -89.7 1 29.0 -60.9 255 88 375.9 375.9 301.6 375.9 0.00 26 135 14696 -59.7 -89.7 1 30.0 -59.9 255 88 378.5 378.5 302.0 378.5 0.00 27 131 14883 -62.3 -91.3 1 29.0 -62.5 255 87 377.1 377.1 301.8 377.1 0.00 28 102 16393 -71.9 -97.9 1 26.0 -71.9 255 80 386.6 386.6 303.3 386.6 0.00 29 100 16510 -71.9 -97.9 1 26.0 -72.0 255 79 388.8 388.8 303.6 388.8 0.00 30 83 17606 -72.9 -98.9 1 26.0 -73.0 255 71 408.1 408.1 306.3 408.1 0.00 31 80 17821 -73.7 -99.7 1 26.0 -73.7 255 70 410.7 410.7 306.6 410.7 0.00 32 78 17969 -74.1 -100.1 1 26.0 -74.2 255 69 412.9 412.9 306.9 412.9 0.00 33 70 18604 -71.5 -97.5 1 26.0 -71.6 255 64 431.4 431.4 309.0 431.4 0.00 34 50 20614 -66.9 -94.9 1 28.0 -67.1 255 49 485.8 485.8 313.9 485.8 0.00 35 30 23838 -48.5 -81.5 1 33.0 -51.4 260 8 612.4 612.4 321.2 612.5 0.02 TRP 80 17821 -73.7 -99.7 1 26.0 -73.7 255 70 410.7 410.7 306.6 410.7 0.00 WND 187 12634 -51.4 -81.9 1 30.5 -51.8 260 110 358.2 358.2 298.4 358.2 0.00 Sounding variables and indices 1000-500 mb thick: 5671.00 m Freezing level: 624.52 mb = 4066.22 m = 13340.46 ft Wetbulb zero: 756.18 mb = 2456.60 m = 8059.63 ft Sfc-500 mean rel hum: 14.51 % Est. max temperature: 22.31 C = 72.15 F Sfc-Lift cond lev (LCL): 606.25 mb = 4237.63 m = 13902.82 ft T: -1.16 C 700-500 lapse rate: 6.70 C/km ThetaE index: 0.78 C Layer 832.0- 700.0 mb Conv cond level (CCL): 423.97 mb = 6994.37 m = 22947.12 ft Mean mixing ratio: 1.72 g/kg Conv temperature: 34.62 C = 94.32 F Cap Strength: 10.10 C Lifted Index: 10.34 C Risk: None Lifted Index @300 mb: 14.88 C Lifted Index @700 mb: 3.91 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.42 J/kg Max Up Vert Vel: 6.23 m/s Conv Inhibition (B-): 32716.66 J/kg Cap Strength: 10.33 C Lift Cond Lev (LCL): 533.20 mb = 5252.04 m = 17230.90 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 308 at 22 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 ---------------------------------------------------------- 0 849 1491 300 4 3.5 -2.0 | 130 18 -14.1 11.9 1 700 3090 285 18 17.4 -4.7 | 179 9 -0.2 9.3 2 500 5760 280 39 38.4 -6.8 | 251 22 20.8 7.2 3 400 7430 270 56 56.0 -0.0 | 250 41 38.4 13.9 4 300 9460 265 78 77.7 6.8 | 251 64 60.1 20.7 5 250 10700 265 93 92.6 8.1 | 254 78 75.1 22.1 6 200 12190 260 103 101.4 17.9 | 249 90 83.9 31.8 7 187 12634 260 110 108.3 19.1 | 250 97 90.8 33.1 8 150 14040 255 91 87.9 23.6 | 242 80 70.3 37.5 9 100 15797 255 79 76.3 20.4 | 240 68 58.7 34.4 10 70 17669 255 64 61.8 16.6 | 235 54 44.3 30.5 11 80 17821 255 70 67.6 18.1 | 237 59 50.0 32.1 12 50 19323 255 49 47.3 12.7 | 228 40 29.8 26.6 13 30 21639 260 8 7.9 1.4 | 148 18 -9.7 15.3 Wind Parameters Mean winds (0-6000m): 278.4 at 29.9 knts Storm direction: 308.4 at 22.4 knts Shear (0-3000m) pos: 0.0 neg: 4.3 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 104.1 deg Storm rel helicity (0-3000m) pos: 55.9 neg: 0.0 tot: 55.9 m^2/s^2 ave: 18.6 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.25 Bulk Shear: 77.78 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 ------------------------------------------------------------------------------- 500 285 6 136 17| 0.0 4.5 4.5| 7.0 0.0 7.0 13.9 0.37| 4.5 1.7 1000 288 8 139 15| 0.0 4.5 4.5| 16.4 0.0 16.4 16.4 0.51| 4.6 2.3 1500 288 11 145 13| 0.0 4.6 4.6| 27.3 0.0 27.3 18.2 0.64| 4.6 3.0 2000 287 13 152 12| 0.0 4.5 4.5| 37.2 0.0 37.2 18.6 0.73| 4.5 3.3 2500 286 15 161 11| 0.0 4.4 4.4| 46.6 0.0 46.6 18.6 0.76| 4.4 3.4 3000 285 17 172 10| 0.0 4.3 4.3| 55.9 0.0 55.9 18.6 0.76| 4.4 3.3 4000 283 21 197 10| 0.0 4.3 4.3| 73.4 0.0 73.4 18.3 0.70| 4.3 3.0 5000 281 25 218 11| 0.0 4.4 4.4| 80.1 -0.2 79.9 16.0 0.56| 4.5 2.5 6000 278 30 232 15| 0.0 4.6 4.6| 80.2 -10.4 69.7 11.6 0.43| 4.7 2.0 Wrote GIF file: /home/apache/climate/data/raob//OISS/skewt/OISS.skewt.20250419.00.gif