UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for OISS... Searching the city database file for: OISS ... Date:0000Z 21 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 102 1 920 -10431 SFC 851 1491 14.4 -3.6 29 18.0 5.8 0 0 301.1 301.8 285.9 311.6 3.44 3 850 1496 14.6 -3.4 29 18.0 5.9 325 2 301.4 302.1 286.1 312.1 3.50 4 828 1718 16.8 -5.2 22 22.0 6.2 322 3 306.0 306.6 287.3 315.8 3.13 5 700 3122 7.0 -28.0 6 35.0 -3.1 300 9 310.2 310.3 286.1 312.1 0.55 6 527 5392 -6.3 -54.3 1 48.0 -13.2 304 24 320.5 320.5 288.9 320.7 0.05 7 500 5800 -9.5 -51.5 2 42.0 -15.4 305 27 321.5 321.5 289.3 321.7 0.07 8 400 7480 -24.7 -47.7 10 23.0 -27.1 285 31 322.9 322.9 289.8 323.4 0.13 9 300 9500 -41.5 -61.5 10 20.0 -42.2 280 39 326.9 326.9 290.9 327.0 0.03 10 262 10410 -46.7 -66.0 9 19.2 -47.2 280 77 332.1 332.1 292.3 332.2 0.02 11 253 10641 -48.1 -67.1 9 19.0 -48.6 280 68 333.4 333.4 292.7 333.5 0.02 12 250 10720 -47.7 -66.7 9 19.0 -48.1 280 68 335.2 335.2 293.1 335.2 0.02 13 237 11075 -45.1 -64.1 10 19.0 -45.7 276 65 344.2 344.2 295.4 344.4 0.03 14 223 11481 -46.3 -58.3 24 12.0 -46.8 272 61 348.4 348.5 296.4 348.7 0.07 15 200 12200 -49.3 -68.3 9 19.0 -49.8 265 55 354.7 354.7 297.7 354.8 0.02 16 150 14040 -60.5 -78.5 8 18.0 -60.7 265 51 365.9 365.9 299.8 365.9 0.01 17 129 14971 -64.3 -82.3 7 18.0 -64.4 375.2 375.2 301.5 375.2 0.00 18 121 15362 -64.5 381.7 TRP 253 10641 -48.1 -67.1 9 19.0 -48.6 280 68 333.4 333.4 292.7 333.5 0.02 WND 262 10410 -46.7 -66.0 9 19.2 -47.2 280 77 332.1 332.1 292.3 332.2 0.02 Sounding variables and indices 1000-500 mb thick: 5698.00 m Freezing level: 608.95 mb = 4316.75 m = 14162.41 ft Wetbulb zero: 742.40 mb = 2630.45 m = 8629.98 ft Precipitable water: 0.15 inches Sfc-500 mean rel hum: 7.74 % Est. max temperature: 23.06 C = 73.51 F Sfc-Lift cond lev (LCL): 647.60 mb = 3744.18 m = 12283.91 ft T: 3.35 C 700-500 lapse rate: 6.16 C/km ThetaE index: 3.70 C Layer 700.0- 527.0 mb Conv cond level (CCL): 454.30 mb = 6521.69 m = 21396.35 ft Mean mixing ratio: 2.41 g/kg Conv temperature: 34.53 C = 94.16 F Cap Strength: 10.53 C Lifted Index: 10.28 C Risk: None Lifted Index @300 mb: 9.34 C Lifted Index @700 mb: 3.40 C Showalter Index: 11.52 C Risk: None Total Totals Index: 30.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 6.10 C K Index: -14.30 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 2.20 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.53 J/kg Max Up Vert Vel: 6.41 m/s Conv Inhibition (B-): 7764.40 J/kg Cap Strength: 10.48 C Lift Cond Lev (LCL): 560.08 mb = 4905.27 m = 16093.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 329 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 ---------------------------------------------------------- 0 851 1491 0 0 -0.0 -0.0 | 149 14 -6.9 11.6 1 850 1496 325 2 1.1 -1.6 | 150 12 -5.8 10.0 2 700 3122 300 9 7.8 -4.5 | 187 7 0.9 7.1 3 500 5800 305 27 22.1 -15.5 | 284 16 15.2 -3.9 4 400 7480 285 31 29.9 -8.0 | 261 23 23.0 3.6 5 300 9500 280 39 38.4 -6.8 | 261 32 31.5 4.9 6 262 10410 280 77 75.8 -13.4 | 271 69 68.9 -1.7 7 253 10641 280 68 67.0 -11.8 | 270 60 60.1 -0.2 8 250 10720 280 68 67.0 -11.8 | 270 60 60.1 -0.2 9 200 12200 265 55 54.8 4.8 | 251 51 47.9 16.4 10 150 14040 265 51 50.8 4.4 | 250 47 43.9 16.1 Wind Parameters Mean winds (0-6000m): 299.3 at 18.0 knts Storm direction: 329.3 at 13.5 knts Shear (0-3000m) pos: 1.2 neg: 2.0 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 108.4 deg Storm rel helicity (0-3000m) pos: 27.6 neg: 0.0 tot: 27.6 m^2/s^2 ave: 9.2 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.67 Bulk Shear: 30.74 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 ------------------------------------------------------------------------------- 500 320 3 152 11| 0.0 4.2 4.2| 2.7 0.0 2.7 5.5 0.23| 4.3 1.0 1000 313 4 156 10| 0.0 3.2 3.2| 6.3 0.0 6.3 6.3 0.39| 3.3 1.3 1500 306 5 162 9| 0.0 2.9 2.9| 10.6 0.0 10.6 7.1 0.54| 3.0 1.6 2000 303 6 169 8| 0.0 3.0 3.0| 16.1 0.0 16.1 8.0 0.65| 3.1 2.0 2500 303 8 176 8| 0.7 2.4 3.1| 21.8 0.0 21.8 8.7 0.72| 3.1 2.3 3000 303 9 186 7| 1.2 2.0 3.1| 27.6 0.0 27.6 9.2 0.75| 3.2 2.4 4000 303 12 215 6| 1.7 1.5 3.2| 39.9 0.0 39.9 10.0 0.71| 3.3 2.3 5000 303 15 242 7| 1.4 1.6 3.0| 43.8 -13.9 29.9 6.0 0.51| 3.3 1.7 6000 299 18 252 9| 1.2 1.7 2.8| 43.8 -39.9 3.9 0.6 0.30| 3.3 1.0 Wrote GIF file: /home/apache/climate/data/raob//OISS/skewt/OISS.skewt.20250421.00.gif