UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for OISS... Searching the city database file for: OISS ... Date:0000Z 17 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 99 1 920 -10524 SFC 850 1491 13.2 -7.8 22 21.0 4.1 290 4 300.0 300.4 284.4 307.7 2.50 3 843 1560 15.8 -11.2 15 27.0 4.5 304 9 303.4 303.8 285.1 309.5 1.92 4 807 1928 14.2 -22.8 6 37.0 1.8 300 13 305.5 305.7 284.6 308.0 0.76 5 791 2096 13.4 -21.6 7 35.0 1.4 298 15 306.4 306.6 285.1 309.3 0.86 6 712 2969 8.6 287 26 310.5 7 700 3109 8.4 285 28 311.8 8 670 3469 6.4 -27.6 7 34.0 -3.6 282 31 313.5 313.6 287.3 315.5 0.59 9 641 3830 4.8 280 34 315.6 10 565 4843 -2.3 -24.3 17 22.0 -8.9 272 42 318.9 319.1 289.4 322.2 0.95 11 539 5215 -4.9 -34.9 7 30.0 -11.6 269 45 320.1 320.2 289.2 321.4 0.37 12 500 5800 -9.1 -25.1 26 16.0 -13.5 265 50 321.9 322.1 290.4 325.4 1.00 13 457 6487 -14.7 -25.7 39 11.0 -17.5 263 54 323.3 323.5 290.9 327.0 1.03 14 434 6876 -17.7 -31.7 28 14.0 -20.5 262 56 324.3 324.5 290.7 326.6 0.62 15 400 7480 -22.1 -31.1 44 9.0 -23.8 260 60 326.3 326.4 291.4 328.8 0.71 16 356 8327 -28.5 -35.5 51 7.0 -29.5 256 66 328.7 328.8 291.9 330.7 0.52 17 303 9461 -37.5 -48.5 31 11.0 -38.3 250 74 331.6 331.6 292.3 332.2 0.15 18 300 9530 -38.3 -49.3 31 11.0 -39.1 250 75 331.4 331.4 292.2 331.9 0.14 19 250 10760 -47.5 -55.5 39 8.0 -47.8 250 76 335.4 335.5 293.3 335.8 0.08 20 238 11086 -46.3 -56.3 31 10.0 -46.7 251 81 342.0 342.0 294.9 342.3 0.08 21 200 12230 -50.9 -69.9 9 19.0 -51.3 255 98 352.2 352.2 297.1 352.2 0.02 22 183 12804 -54.3 -74.3 7 20.0 -54.6 355.7 355.7 297.8 355.7 0.01 23 150 14055 -62.3 -84.3 4 22.0 -62.4 362.8 362.8 299.2 362.8 0.00 24 105 16200 -73.5 -94.5 3 21.0 -73.5 380.4 380.4 302.3 380.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5701.00 m Freezing level: 589.62 mb = 4514.86 m = 14812.34 ft Wetbulb zero: 756.76 mb = 2463.02 m = 8080.68 ft Precipitable water: 0.17 inches Sfc-500 mean rel hum: 13.18 % Est. max temperature: 24.48 C = 76.06 F Sfc-Lift cond lev (LCL): 617.00 mb = 4136.15 m = 13569.88 ft T: 2.65 C 700-500 lapse rate: 6.50 C/km ThetaE index: 1.45 C Layer 807.0- 791.0 mb Conv cond level (CCL): 361.33 mb = 8218.75 m = 26964.07 ft Mean mixing ratio: 1.09 g/kg Conv temperature: 40.35 C = 104.64 F Cap Strength: 13.51 C Lifted Index: 13.24 C Risk: None Lifted Index @300 mb: 15.82 C Lifted Index @700 mb: 5.41 C Showalter Index: 14.70 C Risk: None Total Totals Index: 23.60 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 1.30 C K Index: -19.92 Risk: None Sweat Index: 58.00 Risk: None Energy Index: 3.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.03 J/kg Max Up Vert Vel: 7.08 m/s Conv Inhibition (B-): 11437.99 J/kg Cap Strength: 12.00 C Lift Cond Lev (LCL): 485.44 mb = 6025.83 m = 19769.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 300 at 29 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 290 4 3.8 -1.4 | 122 25 -21.2 13.0 1 850 1490 305 8 6.6 -4.6 | 118 21 -18.4 9.8 2 700 3109 285 28 27.0 -7.2 | 197 7 2.1 7.1 3 500 5800 265 50 49.8 4.4 | 233 31 24.9 18.7 4 400 7480 260 60 59.1 10.4 | 234 42 34.2 24.8 5 300 9530 250 75 70.5 25.7 | 229 61 45.5 40.0 6 250 10760 250 76 71.4 26.0 | 229 62 46.5 40.4 7 200 12230 255 98 94.7 25.4 | 240 80 69.7 39.7 Wind Parameters Mean winds (0-6000m): 269.9 at 38.4 knts Storm direction: 299.9 at 28.8 knts Shear (0-3000m) pos: 0.0 neg: 5.6 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 114.0 deg Storm rel helicity (0-3000m) pos: 45.7 neg: 0.0 tot: 45.7 m^2/s^2 ave: 15.2 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 3.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.23 Bulk Shear: 108.83 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 ------------------------------------------------------------------------------- 500 288 10 126 19| 0.0 6.5 6.5| 3.9 0.0 3.9 7.8 0.14| 6.5 0.9 1000 291 14 128 15| 0.0 6.5 6.5| 12.9 0.0 12.9 12.9 0.31| 6.6 2.0 1500 290 17 134 12| 0.0 6.6 6.6| 24.6 0.0 24.6 16.4 0.51| 6.7 3.4 2000 288 20 144 10| 0.0 6.2 6.2| 33.3 0.0 33.3 16.7 0.58| 6.3 3.6 2500 286 23 159 9| 0.0 5.8 5.8| 40.3 0.0 40.3 16.1 0.57| 6.0 3.4 3000 283 25 176 9| 0.0 5.6 5.6| 45.7 0.0 45.7 15.2 0.53| 5.8 3.1 4000 278 30 204 11| 0.0 5.3 5.3| 49.0 -0.6 48.4 12.1 0.42| 5.6 2.4 5000 273 34 217 15| 0.0 5.0 5.0| 53.1 -2.6 50.5 10.1 0.36| 5.3 1.9 6000 270 38 223 20| 0.0 4.7 4.7| 54.5 -3.1 51.3 8.6 0.32| 5.0 1.6 Wrote GIF file: /home/apache/climate/data/raob//OISS/skewt/OISS.skewt.20250417.00.gif