UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042400.upa.cvt Date: 0000Z 24 APR 25 Searching for OISS... Searching the city database file for: OISS ... Date:0000Z 24 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 84 1 920 -10352 SFC 852 1491 19.0 2.0 32 17.0 9.6 300 4 305.8 306.8 289.3 321.7 5.19 3 850 1508 19.4 2.4 32 17.0 9.9 310 5 306.5 307.5 289.6 322.9 5.35 4 840 1610 20.6 2.6 30 18.0 10.4 310 5 308.8 309.8 290.5 325.7 5.50 5 803 1997 19.0 -1.0 26 20.0 8.3 309 4 311.1 311.9 290.3 325.0 4.43 6 700 3154 9.6 -3.4 40 13.0 3.1 305 1 313.1 313.9 290.7 326.6 4.25 7 633 3977 2.2 -8.8 44 11.0 -2.6 315 5 313.8 314.4 289.9 323.8 3.10 8 564 4899 -3.9 -23.9 19 20.0 -9.8 327 11 317.2 317.4 288.9 320.6 0.98 9 559 4969 -3.5 -27.5 14 24.0 -10.0 328 11 318.4 318.6 289.0 321.0 0.72 10 500 5840 -10.5 -36.5 10 26.0 -15.6 340 16 320.2 320.3 289.2 321.5 0.34 11 474 6247 -13.3 -41.3 8 28.0 -17.9 332 17 321.7 321.7 289.5 322.5 0.22 12 400 7510 -23.7 -43.7 14 20.0 -26.1 305 21 324.2 324.2 290.3 324.9 0.20 13 339 8696 -34.5 -43.5 40 9.0 -35.3 293 23 325.2 325.2 290.6 326.1 0.24 14 300 9540 -41.3 -50.3 37 9.0 -41.8 285 24 327.2 327.2 291.0 327.7 0.13 15 250 10760 -47.1 -60.1 21 13.0 -47.5 275 38 336.0 336.1 293.4 336.2 0.05 16 246 10867 -47.3 -61.3 19 14.0 -47.7 275 38 337.3 337.3 293.7 337.5 0.04 17 200 12230 -50.5 -68.5 10 18.0 -50.9 270 43 352.8 352.8 297.3 352.9 0.02 18 155 13864 -58.5 -79.5 5 21.0 -58.7 266 49 365.8 365.8 299.8 365.9 0.00 19 150 14070 -59.5 265 50 367.6 20 149 14112 -59.7 367.9 TRP WND Sounding variables and indices 1000-500 mb thick: 5756.00 m Freezing level: 608.11 mb = 4309.85 m = 14139.76 ft Wetbulb zero: 663.85 mb = 3587.98 m = 11771.45 ft Precipitable water: 0.47 inches Sfc-500 mean rel hum: 29.16 % Est. max temperature: 25.91 C = 78.64 F Sfc-Lift cond lev (LCL): 660.43 mb = 3630.31 m = 11910.33 ft T: 5.32 C 700-500 lapse rate: 7.48 C/km ThetaE index: 0.77 C Layer 803.0- 700.0 mb Conv cond level (CCL): 541.71 mb = 5214.62 m = 17108.12 ft Mean mixing ratio: 4.71 g/kg Conv temperature: 31.54 C = 88.78 F Cap Strength: 4.45 C Lifted Index: 3.13 C Risk: None Lifted Index @300 mb: 2.10 C Lifted Index @700 mb: 2.36 C Showalter Index: 4.33 C Risk: None Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 29.90 C Cross Totals Index: 12.90 C K Index: 19.30 Risk: < 20 % chance of thunderstorms Sweat Index: 54.80 Risk: None Energy Index: -0.08 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.95 J/kg Max Up Vert Vel: 6.16 m/s Conv Inhibition (B-): 3203.14 J/kg Cap Strength: 4.39 C Lift Cond Lev (LCL): 606.89 mb = 4313.82 m = 14152.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 356 at 7 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 ---------------------------------------------------------- 0 852 1491 300 4 3.5 -2.0 | 209 6 3.0 5.5 1 850 1508 310 5 3.8 -3.2 | 218 5 3.3 4.3 2 700 3154 305 1 0.8 -0.6 | 183 7 0.3 6.9 3 500 5840 340 16 5.5 -15.0 | 327 9 5.0 -7.6 4 400 7510 305 21 17.2 -12.0 | 285 17 16.7 -4.6 5 300 9540 285 24 23.2 -6.2 | 267 23 22.7 1.3 6 250 10760 275 38 37.9 -3.3 | 264 38 37.4 4.2 7 200 12230 270 43 43.0 -0.0 | 260 43 42.5 7.5 8 150 14070 265 50 49.8 4.4 | 257 51 49.3 11.8 Wind Parameters Mean winds (0-6000m): 326.3 at 10.0 knts Storm direction: 356.3 at 7.5 knts Shear (0-3000m) pos: 1.2 neg: 0.4 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 52.2 deg Storm rel helicity (0-3000m) pos: 10.9 neg: -5.3 tot: 5.6 m^2/s^2 ave: 1.9 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 2.1 stream: 0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.10 Bulk Shear: 4.62 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 ------------------------------------------------------------------------------- 500 309 4 212 6| 0.6 0.0 0.6| 1.2 -1.4 -0.2 -0.5 -0.09| 2.1 -0.2 1000 309 4 206 6| 0.3 0.6 0.9| 1.2 -3.2 -2.0 -2.0 -0.40| 1.7 -0.7 1500 309 3 200 6| 0.2 0.8 1.0| 1.2 -5.0 -3.8 -2.5 -0.53| 1.5 -0.8 2000 309 3 197 6| 0.4 0.6 1.0| 3.6 -5.3 -1.7 -0.8 -0.17| 1.7 -0.3 2500 311 3 199 6| 0.9 0.5 1.4| 7.3 -5.3 2.0 0.8 0.16| 1.9 0.3 3000 315 4 204 5| 1.2 0.4 1.7| 10.9 -5.3 5.6 1.9 0.36| 2.1 0.8 4000 328 6 224 4| 1.7 0.3 2.0| 19.2 -5.3 13.9 3.5 0.53| 2.4 1.3 5000 333 8 261 3| 1.6 0.2 1.8| 22.4 -14.1 8.3 1.7 0.33| 2.6 0.8 6000 326 10 279 5| 1.3 0.8 2.2| 22.4 -36.3 -13.9 -2.3 0.07| 2.8 0.2 Wrote GIF file: /home/apache/climate/data/raob//OISS/skewt/OISS.skewt.20250424.00.gif