UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for OISS... Searching the city database file for: OISS ... Date:0000Z 22 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 116 1 920 -10145 SFC 854 1491 18.4 -5.6 19 24.0 7.0 340 2 305.0 305.6 286.8 314.2 2.94 3 850 1604 18.8 -5.2 19 24.0 7.2 265 18 305.8 306.4 287.2 315.4 3.05 4 700 3164 6.6 -2.4 53 9.0 2.1 270 23 309.8 310.7 290.0 324.1 4.58 5 653 3729 3.0 -4.0 60 7.0 -0.4 260 24 311.9 312.8 290.5 325.7 4.36 6 565 4882 -4.9 -25.9 18 21.0 -10.6 238 26 315.8 316.0 288.3 318.7 0.82 7 508 5708 -10.7 -19.7 48 9.0 -13.5 222 27 318.5 318.9 289.9 323.9 1.58 8 500 5830 -11.3 -21.3 43 10.0 -14.2 220 27 319.3 319.5 290.0 324.0 1.40 9 436 6865 -19.9 -33.9 28 14.0 -22.4 232 36 321.1 321.2 289.6 322.9 0.50 10 400 7500 -24.5 -28.9 67 4.4 -25.4 240 42 323.1 323.3 290.6 326.3 0.88 11 397 7555 -25.1 -29.4 67 4.3 -25.9 240 42 323.1 323.2 290.6 326.1 0.84 12 340 8664 -33.1 -42.1 40 9.0 -34.0 243 45 326.8 326.9 291.1 327.9 0.28 13 300 9530 -40.9 -45.9 58 5.0 -41.2 245 47 327.7 327.8 291.3 328.5 0.21 14 298 9575 -41.3 -46.3 58 5.0 -41.6 245 47 327.8 327.8 291.3 328.6 0.20 15 265 10361 -45.5 -51.5 51 6.0 -45.8 250 56 332.8 332.9 292.6 333.3 0.13 16 256 10591 -43.5 -50.5 46 7.0 -43.9 253 55 339.1 339.1 294.3 339.7 0.15 17 250 10750 -44.1 -53.1 36 9.0 -44.6 255 54 340.5 340.5 294.6 341.0 0.11 18 231 11279 -46.7 -58.7 24 12.0 -47.1 251 57 344.3 344.3 295.4 344.6 0.06 19 214 11789 -45.5 -60.5 17 15.0 -46.1 248 60 353.8 353.8 297.5 354.0 0.05 20 213 11820 -45.5 -60.5 17 15.0 -46.1 248 60 354.3 354.3 297.6 354.5 0.05 21 210 11915 -45.7 -56.7 28 11.0 -46.2 247 60 355.4 355.4 297.8 355.8 0.08 22 200 12240 -47.5 -59.5 24 12.0 -48.0 245 62 357.6 357.6 298.2 357.8 0.06 23 177 13038 -52.8 -66.5 17 13.8 -53.1 245 66 361.6 361.6 299.0 361.8 0.03 24 174 13148 -53.5 -67.5 17 14.0 -53.8 362.2 362.2 299.1 362.3 0.02 TRP 265 10361 -45.5 -51.5 51 6.0 -45.8 250 56 332.8 332.9 292.6 333.3 0.13 WND 177 13038 -52.8 -66.5 17 13.8 -53.1 245 66 361.6 361.6 299.0 361.8 0.03 Sounding variables and indices 1000-500 mb thick: 5714.00 m Freezing level: 619.58 mb = 4167.16 m = 13671.62 ft Wetbulb zero: 660.46 mb = 3636.96 m = 11932.12 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 38.76 % Est. max temperature: 22.87 C = 73.16 F Sfc-Lift cond lev (LCL): 594.63 mb = 4475.19 m = 14682.19 ft T: -2.11 C 700-500 lapse rate: 6.71 C/km Conv cond level (CCL): 513.96 mb = 5617.69 m = 18430.51 ft Mean mixing ratio: 3.47 g/kg Conv temperature: 31.06 C = 87.90 F Cap Strength: 6.32 C Lifted Index: 6.32 C Risk: None Lifted Index @300 mb: 7.42 C Lifted Index @700 mb: 2.50 C Showalter Index: 7.72 C Risk: None Total Totals Index: 36.20 C Risk: None Vertical Totals Index: 30.10 C Cross Totals Index: 6.10 C K Index: 15.90 Risk: < 20 % chance of thunderstorms Sweat Index: 63.00 Risk: None Energy Index: 1.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.81 J/kg Max Up Vert Vel: 3.41 m/s Conv Inhibition (B-): 4221.23 J/kg Cap Strength: 6.32 C Lift Cond Lev (LCL): 597.65 mb = 4434.88 m = 14549.96 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 274 at 20 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 ---------------------------------------------------------- 0 854 1491 340 2 0.7 -1.9 | 88 19 -19.2 -0.6 1 850 1604 265 18 17.9 1.6 | 146 3 -1.9 2.9 2 700 3164 270 23 23.0 -0.0 | 247 3 3.1 1.3 3 500 5830 220 27 17.4 20.7 | 174 22 -2.5 22.0 4 400 7500 240 42 36.4 21.0 | 217 28 16.5 22.3 5 300 9530 245 47 42.6 19.9 | 227 31 22.7 21.2 6 265 10361 250 56 52.6 19.2 | 238 39 32.8 20.5 7 250 10750 255 54 52.2 14.0 | 245 36 32.3 15.3 8 200 12240 245 62 56.2 26.2 | 233 46 36.3 27.5 Wind Parameters Mean winds (0-6000m): 243.8 at 26.5 knts Storm direction: 273.8 at 19.9 knts Shear (0-3000m) pos: 0.6 neg: 4.0 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 105.1 deg Storm rel helicity (0-3000m) pos: 7.6 neg: -10.9 tot: -3.3 m^2/s^2 ave: -1.1 10^-3 m/s^2 rel: 0.09 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.30 Bulk Shear: 19.28 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 ------------------------------------------------------------------------------- 500 266 18 141 3| 0.0 19.3 19.3| 5.3 0.0 5.3 10.5 0.27| 20.5 5.6 1000 267 19 160 3| 0.9 9.7 10.5| 6.3 0.0 6.3 6.3 0.33| 11.1 3.6 1500 268 20 182 2| 1.2 6.4 7.6| 7.4 0.0 7.4 4.9 0.37| 8.0 2.9 2000 268 21 201 2| 0.9 5.2 6.1| 7.6 -1.8 5.7 2.9 0.27| 6.8 1.9 2500 266 21 206 3| 0.7 4.4 5.1| 7.6 -5.6 1.9 0.8 0.17| 6.2 1.0 3000 263 22 205 4| 0.6 4.0 4.5| 7.6 -10.9 -3.3 -1.1 0.09| 5.9 0.5 4000 255 23 197 8| 0.4 3.4 3.8| 7.6 -28.7 -21.2 -5.3 -0.02| 5.5 -0.1 5000 247 24 192 11| 0.9 2.9 3.8| 49.1 -36.6 12.5 2.5 0.08| 5.4 0.4 6000 244 27 197 14| 1.8 2.4 4.2|125.5 -36.6 88.9 14.8 0.24| 5.5 1.3 Wrote GIF file: /home/apache/climate/data/raob//OISS/skewt/OISS.skewt.20250422.00.gif