UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for OISS... Searching the city database file for: OISS ... Date:0000Z 20 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 106 1 920 1605 2 850 1168 0 0 SFC 849 1491 9.6 -3.4 40 13.0 3.7 0 0 296.3 296.9 284.1 306.8 3.50 4 843 1550 15.0 -4.0 27 19.0 5.9 358 1 302.6 303.2 286.4 312.9 3.37 5 836 1620 15.4 -6.6 21 22.0 5.3 355 2 303.7 304.2 286.2 312.4 2.79 6 829 1691 14.8 -9.2 18 24.0 4.4 352 2 303.8 304.2 285.7 311.0 2.29 7 808 1907 15.4 -15.6 10 31.0 3.3 343 5 306.7 307.0 285.8 311.2 1.40 8 795 2044 14.8 -22.2 6 37.0 2.1 338 6 307.5 307.6 285.4 310.2 0.81 9 788 2118 14.4 -21.6 7 36.0 1.9 335 7 307.8 308.0 285.6 310.7 0.86 10 700 3102 7.6 -35.4 3 43.0 -3.2 295 19 310.9 311.0 286.0 311.9 0.27 11 604 4294 -0.9 288 19 314.5 12 500 5770 -11.3 -45.3 4 34.0 -16.5 280 20 319.3 319.3 288.6 319.8 0.13 13 470 6242 -15.7 -40.7 10 25.0 -19.6 283 23 319.5 319.5 288.9 320.4 0.23 14 439 6755 -19.7 -60.7 1 41.0 -23.2 286 27 320.7 320.7 289.0 320.8 0.02 15 400 7440 -25.1 -59.1 3 34.0 -27.6 290 32 322.4 322.4 289.5 322.5 0.03 16 300 9460 -39.9 -51.9 27 12.0 -40.6 270 83 329.1 329.1 291.6 329.5 0.11 17 275 10050 -44.9 -51.9 45 7.0 -45.2 270 91 330.2 330.2 291.9 330.6 0.12 18 267 10248 -45.3 -53.3 40 8.0 -45.7 270 94 332.4 332.4 292.4 332.8 0.10 19 264 10324 -45.0 -53.6 38 8.6 -45.4 270 95 333.9 333.9 292.9 334.3 0.10 20 252 10636 -43.9 -54.9 29 11.0 -44.5 270 90 340.0 340.0 294.4 340.4 0.09 21 250 10690 -43.9 -54.9 29 11.0 -44.5 270 89 340.8 340.8 294.6 341.2 0.09 22 200 12170 -50.1 -70.1 8 20.0 -50.5 260 78 353.4 353.4 297.4 353.5 0.02 23 150 14000 -60.9 -85.9 2 25.0 -61.1 255 78 365.2 365.2 299.7 365.2 0.00 24 102 16399 -60.7 -88.7 1 28.0 -61.0 408.1 408.1 306.3 408.1 0.00 25 100 16522 -60.7 -88.7 1 28.0 -61.0 410.4 410.4 306.6 410.5 0.00 26 89 17262 -52.3 441.1 TRP WND 264 10324 -45.0 -53.6 38 8.6 -45.4 270 95 333.9 333.9 292.9 334.3 0.10 Sounding variables and indices 1000-500 mb thick: 5664.00 m Freezing level: 614.16 mb = 4168.11 m = 13674.73 ft Wetbulb zero: 755.29 mb = 2470.56 m = 8105.43 ft Sfc-500 mean rel hum: 8.93 % Est. max temperature: 23.56 C = 74.42 F Sfc-Lift cond lev (LCL): 695.74 mb = 3151.30 m = 10338.79 ft T: 7.25 C 700-500 lapse rate: 7.08 C/km ThetaE index: 1.90 C Layer 836.0- 808.0 mb Conv cond level (CCL): 413.56 mb = 7194.39 m = 23603.36 ft Mean mixing ratio: 1.43 g/kg Conv temperature: 33.93 C = 93.07 F Cap Strength: 10.31 C Lifted Index: 10.36 C Risk: None Lifted Index @300 mb: 13.05 C Lifted Index @700 mb: 4.06 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.94 J/kg Max Up Vert Vel: 8.36 m/s Conv Inhibition (B-): 12446.42 J/kg Cap Strength: 10.31 C Lift Cond Lev (LCL): 506.88 mb = 5663.31 m = 18580.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 318 at 14 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 0 0 -0.0 -0.0 | 138 14 -9.5 10.6 1 700 3102 295 19 17.2 -8.0 | 252 8 7.7 2.5 2 500 5770 280 20 19.7 -3.5 | 235 12 10.1 7.1 3 400 7440 290 32 30.1 -10.9 | 271 21 20.5 -0.4 4 300 9460 270 83 83.0 -0.0 | 262 74 73.5 10.6 5 264 10324 270 95 95.0 -0.0 | 263 86 85.5 10.6 6 250 10690 270 89 89.0 -0.0 | 262 80 79.5 10.6 7 200 12170 260 78 76.8 13.5 | 250 71 67.3 24.1 8 150 14000 255 78 75.3 20.2 | 245 73 65.8 30.7 Wind Parameters Mean winds (0-6000m): 287.9 at 19.0 knts Storm direction: 317.9 at 14.2 knts Shear (0-3000m) pos: 0.0 neg: 3.3 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 104.4 deg Storm rel helicity (0-3000m) pos: 2.4 neg: -14.3 tot: -11.8 m^2/s^2 ave: -3.9 10^-3 m/s^2 rel: -0.02 Storm rel vorticity (0-3000m) horiz: 4.3 stream: -0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.88 Bulk Shear: 39.81 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 ------------------------------------------------------------------------------- 500 246 2 147 14| 0.0 6.1 6.1| 0.0 -9.3 -9.3 -18.7 -0.49| 6.2 -3.0 1000 279 6 157 10| 0.0 6.1 6.1| 0.5 -10.4 -9.9 -9.9 -0.23| 6.5 -1.5 1500 295 9 167 7| 0.0 6.1 6.1| 2.4 -10.4 -8.0 -5.3 0.05| 7.1 0.4 2000 295 11 186 6| 0.0 4.9 4.9| 2.4 -11.5 -9.1 -4.5 0.03| 6.0 0.2 2500 294 13 202 6| 0.0 4.0 4.0| 2.4 -12.8 -10.4 -4.2 0.00| 5.0 0.0 3000 293 14 213 6| 0.0 3.3 3.3| 2.4 -14.3 -11.8 -3.9 -0.02| 4.3 -0.1 4000 290 16 224 7| 0.0 2.6 2.6| 2.4 -17.5 -15.1 -3.8 -0.06| 3.5 -0.2 5000 288 17 230 8| 0.4 2.2 2.6| 18.5 -18.2 0.3 0.1 0.08| 3.4 0.3 6000 288 19 241 10| 1.1 1.9 2.9| 44.8 -18.2 26.6 4.4 0.19| 3.6 0.7 Wrote GIF file: /home/apache/climate/data/raob//OISS/skewt/OISS.skewt.20250420.00.gif