UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for OISS... Searching the city database file for: OISS ... Date:0000Z 18 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 117 1 920 -10509 SFC 850 1491 8.6 -6.4 34 15.0 2.2 250 4 295.2 295.7 282.8 303.5 2.78 3 839 1599 12.6 -8.4 22 21.0 3.6 253 4 300.5 300.9 284.5 307.9 2.41 4 831 1679 13.4 -10.6 18 24.0 3.4 255 5 302.1 302.5 284.8 308.6 2.05 5 809 1902 11.6 -13.4 16 25.0 1.9 260 6 302.5 302.9 284.5 307.9 1.68 6 795 2047 10.6 -13.4 17 24.0 1.3 264 6 303.0 303.3 284.7 308.4 1.71 7 714 2928 5.0 -25.0 9 30.0 -3.8 286 9 306.3 306.4 284.8 308.6 0.70 8 700 3089 5.2 -27.8 7 33.0 -4.0 290 10 308.2 308.3 285.4 310.1 0.56 9 657 3603 2.2 -24.8 11 27.0 -5.7 287 17 310.5 310.6 286.4 313.1 0.78 10 579 4611 -3.3 282 31 315.5 11 542 5129 -7.5 -29.5 15 22.0 -12.8 279 38 316.5 316.6 288.3 318.7 0.61 12 500 5750 -12.9 -34.9 14 22.0 -17.1 275 47 317.3 317.4 288.3 318.7 0.39 13 400 7410 -26.1 -54.1 5 28.0 -28.4 260 50 321.1 321.1 289.2 321.3 0.06 14 300 9430 -37.9 -68.9 2 31.0 -39.0 260 65 332.0 332.0 292.3 332.0 0.01 15 299 9453 -38.3 -69.3 2 31.0 -39.4 260 65 331.7 331.7 292.2 331.7 0.01 16 292 9617 -37.3 -71.3 2 34.0 -38.5 260 67 335.4 335.4 293.2 335.4 0.01 17 282 9858 -37.5 -73.5 1 36.0 -38.8 260 70 338.5 338.5 293.9 338.5 0.01 18 271 10133 -36.9 -72.9 1 36.0 -38.2 260 73 343.2 343.2 295.1 343.2 0.01 19 250 10690 -38.7 -73.7 1 35.0 -39.9 260 79 348.5 348.5 296.3 348.6 0.01 20 227 11350 -42.3 -76.5 1 34.1 -43.3 255 91 352.7 352.7 297.2 352.8 0.01 21 200 12200 -47.1 -80.1 1 33.0 -47.8 265 78 358.2 358.2 298.4 358.2 0.00 22 154 13893 -56.3 -84.3 2 28.0 -56.6 265 65 370.3 370.3 300.6 370.3 0.00 23 153 13934 -55.3 -86.3 1 31.0 -55.6 265 65 372.7 372.7 301.0 372.7 0.00 24 152 13976 -55.5 -86.5 1 31.0 -55.8 265 65 373.0 373.0 301.1 373.0 0.00 25 150 14060 -56.3 -87.3 1 31.0 -56.6 265 64 373.1 373.1 301.1 373.1 0.00 26 103 16364 -71.5 -97.5 1 26.0 -71.6 265 55 386.3 386.3 303.2 386.3 0.00 27 100 16539 -71.5 -97.5 1 26.0 -71.6 265 54 389.6 389.6 303.8 389.6 0.00 28 91 17113 -58.7 425.6 TRP WND 227 11350 -42.3 -76.5 1 34.1 -43.3 255 91 352.7 352.7 297.2 352.8 0.01 Sounding variables and indices 1000-500 mb thick: 5633.00 m Freezing level: 625.80 mb = 4006.24 m = 13143.68 ft Wetbulb zero: 774.20 mb = 2264.49 m = 7429.33 ft Precipitable water: 0.15 inches Sfc-500 mean rel hum: 13.73 % Est. max temperature: 21.09 C = 69.97 F Sfc-Lift cond lev (LCL): 674.92 mb = 3384.68 m = 11104.45 ft T: 3.47 C 700-500 lapse rate: 6.80 C/km ThetaE index: 0.68 C Layer 809.0- 795.0 mb Conv cond level (CCL): 440.97 mb = 6684.64 m = 21930.98 ft Mean mixing ratio: 1.72 g/kg Conv temperature: 31.87 C = 89.36 F Cap Strength: 11.51 C Lifted Index: 10.66 C Risk: None Lifted Index @300 mb: 17.16 C Lifted Index @700 mb: 5.12 C Showalter Index: 13.62 C Risk: None Total Totals Index: 28.00 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 6.50 C K Index: -17.90 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 3.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.90 J/kg Max Up Vert Vel: 6.62 m/s Conv Inhibition (B-): 14409.80 J/kg Cap Strength: 11.51 C Lift Cond Lev (LCL): 553.39 mb = 4965.97 m = 16292.35 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 302 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 ---------------------------------------------------------- 0 850 1491 250 4 3.8 1.4 | 132 20 -14.7 13.0 1 700 3089 290 10 9.4 -3.4 | 132 12 -9.1 8.3 2 500 5750 275 47 46.8 -4.1 | 255 29 28.3 7.6 3 400 7410 260 50 49.2 8.7 | 236 37 30.7 20.4 4 300 9430 260 65 64.0 11.3 | 243 51 45.5 23.0 5 250 10690 260 79 77.8 13.7 | 247 65 59.3 25.4 6 227 11350 255 91 87.9 23.6 | 243 78 69.4 35.2 7 200 12200 265 78 77.7 6.8 | 253 62 59.2 18.5 8 150 14060 265 64 63.8 5.6 | 249 48 45.3 17.3 9 100 15797 265 54 53.8 4.7 | 245 39 35.3 16.4 Wind Parameters Mean winds (0-6000m): 272.3 at 29.2 knts Storm direction: 302.3 at 21.9 knts Shear (0-3000m) pos: 2.2 neg: 2.4 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 110.5 deg Storm rel helicity (0-3000m) pos: 37.5 neg: -2.7 tot: 34.8 m^2/s^2 ave: 11.6 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.28 Bulk Shear: 79.02 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 ------------------------------------------------------------------------------- 500 274 5 129 18| 2.2 0.0 2.2| 4.9 0.0 4.9 9.7 0.45| 2.2 1.0 1000 274 6 132 17| 2.3 0.0 2.3| 6.3 0.0 6.3 6.3 0.29| 2.3 0.7 1500 278 7 132 16| 2.4 0.0 2.4| 6.3 -2.0 4.4 2.9 0.10| 2.5 0.3 2000 282 8 133 15| 3.3 0.0 3.3| 14.9 -2.7 12.2 6.1 0.29| 3.4 1.0 2500 283 10 137 13| 2.6 1.4 4.0| 26.4 -2.7 23.7 9.5 0.51| 4.2 2.2 3000 283 13 146 11| 2.2 2.4 4.6| 37.5 -2.7 34.8 11.6 0.56| 4.7 2.6 4000 279 19 181 9| 1.6 3.6 5.3| 53.0 -2.7 50.2 12.6 0.45| 5.4 2.4 5000 276 25 214 11| 1.3 3.5 4.8| 54.3 -41.0 13.2 2.6 0.28| 5.3 1.5 6000 272 29 225 15| 1.1 3.2 4.3| 55.4 -94.2 -38.9 -6.5 0.15| 5.1 0.7 Wrote GIF file: /home/apache/climate/data/raob//OISS/skewt/OISS.skewt.20250418.00.gif