UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 30 APR 25 Station: U9231 WMO ident: 29231 Latitude: 58.30 Longitude: 82.88 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1013 77 9.8 -4.2 37 14.0 4.0 260 5 281.9 282.4 276.5 289.8 2.76 1 1000 184 9.4 -3.6 40 13.0 3.9 265 7 282.5 283.1 277.1 290.9 2.92 2 925 822 3.4 -9.6 38 13.0 -1.2 270 13 282.8 283.1 275.9 288.6 1.99 3 850 1500 -3.1 -11.1 54 8.0 -5.7 275 19 282.9 283.2 275.9 288.5 1.92 4 719 2797 -14.1 -20.1 60 6.0 -15.4 284 31 284.7 284.9 275.6 287.9 1.08 5 700 3000 -14.9 -23.9 46 9.0 -16.7 285 33 286.0 286.1 275.9 288.4 0.79 6 674 3285 -15.5 -23.5 50 8.0 -17.1 285 35 288.4 288.6 277.2 291.1 0.85 7 515 5268 -26.5 -35.5 42 9.0 -27.6 285 47 298.2 298.3 281.1 299.4 0.36 8 500 5480 -28.3 -36.3 46 8.0 -29.2 285 48 298.5 298.6 281.2 299.7 0.34 9 442 6351 -35.1 -41.1 54 6.0 -35.5 282 49 300.7 300.7 282.0 301.5 0.24 10 400 7040 -39.1 -49.1 34 10.0 -39.6 280 50 304.2 304.2 283.2 304.6 0.11 11 390 7214 -40.1 -51.1 30 11.0 -40.6 279 50 305.1 305.1 283.5 305.4 0.09 12 331 8312 -51.1 -62.1 26 11.0 -51.3 276 53 304.6 304.6 283.3 304.7 0.03 13 311 8717 -53.3 -64.3 25 11.0 -53.5 275 54 307.0 307.0 284.2 307.1 0.02 14 300 8950 -53.1 -64.1 25 11.0 -53.3 275 54 310.5 310.5 285.5 310.6 0.02 15 250 10130 -49.5 -64.5 16 15.0 -49.8 275 52 332.5 332.5 292.4 332.6 0.03 16 200 11600 -47.7 -69.7 6 22.0 -48.3 265 44 357.2 357.2 298.2 357.3 0.02 17 180 12298 -44.9 -68.9 5 24.0 -45.8 265 41 372.7 372.7 301.1 372.8 0.02 18 150 13510 -46.7 -70.7 5 24.0 -47.6 265 36 389.6 389.6 303.8 389.7 0.02 19 100 16200 -47.1 -71.1 5 24.0 -48.3 250 27 436.7 436.7 309.6 436.9 0.03 20 92 16750 -48.1 -72.1 5 24.0 -49.3 254 25 445.3 445.3 310.4 445.4 0.02 21 85 17268 -50.9 -72.9 6 22.0 -51.8 257 23 449.8 449.8 310.8 449.9 0.02 22 70 18530 -51.3 -73.3 6 22.0 -52.4 265 19 474.6 474.6 313.0 474.8 0.03 23 50 20710 -53.9 -75.9 5 22.0 -55.0 275 11 516.5 516.5 316.1 516.6 0.03 24 47 21107 -54.5 -77.5 4 23.0 -55.6 524.2 524.2 316.6 524.4 0.02 25 30 24003 -51.3 -73.3 6 22.0 -53.5 604.8 604.8 320.9 605.3 0.06 TRP 311 8717 -53.3 -64.3 25 11.0 -53.5 275 54 307.0 307.0 284.2 307.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5296.00 m Freezing level: 885.77 mb = 1176.65 m = 3860.34 ft Wetbulb zero: 942.28 mb = 670.52 m = 2199.83 ft Precipitable water: 0.30 inches Sfc-500 mean rel hum: 48.17 % Est. max temperature: 10.79 C = 51.42 F Sfc-Lift cond lev (LCL): 817.49 mb = 1802.17 m = 5912.56 ft T: -5.66 C 700-500 lapse rate: 5.40 C/km ThetaE index: 2.95 C Layer 925.0- 700.0 mb Conv cond level (CCL): 773.75 mb = 2228.33 m = 7310.70 ft Mean mixing ratio: 2.45 g/kg Conv temperature: 11.86 C = 53.34 F Cap Strength: 8.11 C Lifted Index: 8.18 C Risk: None Lifted Index @300 mb: 14.82 C Lifted Index @700 mb: 0.96 C Showalter Index: 9.06 C Risk: None Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 25.20 C Cross Totals Index: 17.20 C K Index: 5.10 Risk: None Sweat Index: 86.00 Risk: None Energy Index: 2.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.49 J/kg Max Up Vert Vel: 1.73 m/s Conv Inhibition (B-): 40519.36 J/kg Cap Strength: 8.15 C Lift Cond Lev (LCL): 788.96 mb = 2077.49 m = 6815.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 313 at 24 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 1013 77 260 5 4.9 0.9 | 144 21 -12.4 16.9 1 1000 184 265 7 7.0 0.6 | 148 20 -10.3 16.7 2 925 822 270 13 13.0 -0.0 | 165 17 -4.3 16.1 3 850 1500 275 19 18.9 -1.7 | 186 14 1.6 14.4 4 700 3000 285 33 31.9 -8.5 | 243 16 14.6 7.5 5 500 5480 285 48 46.4 -12.4 | 263 29 29.1 3.6 6 400 7040 280 50 49.2 -8.7 | 257 33 31.9 7.4 7 311 8717 275 54 53.8 -4.7 | 253 38 36.5 11.4 8 300 8950 275 54 53.8 -4.7 | 253 38 36.5 11.4 9 250 10130 275 52 51.8 -4.5 | 252 36 34.5 11.5 10 200 11600 265 44 43.8 3.8 | 233 33 26.5 19.9 11 150 13510 265 36 35.9 3.1 | 224 27 18.6 19.2 12 100 16200 250 27 25.4 9.2 | 198 27 8.1 25.3 13 70 18530 265 19 18.9 1.7 | 185 18 1.6 17.7 14 50 20710 275 11 11.0 -1.0 | 157 16 -6.4 15.1 Wind Parameters Mean winds (0-6000m): 282.9 at 31.5 knts Storm direction: 312.9 at 23.6 knts Shear (0-3000m) pos: 5.0 neg: 0.0 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 99.9 deg Storm rel helicity (0-3000m) pos: 114.0 neg: 0.0 tot: 114.0 m^2/s^2 ave: 38.0 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 4.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 74.37 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 8 151 19| 6.0 0.0 6.0| 24.1 0.0 24.1 48.2 0.82| 6.0 4.9 1000 269 11 158 18| 5.4 0.0 5.4| 42.5 0.0 42.5 42.5 0.86| 5.4 4.6 1500 271 13 164 16| 5.1 0.0 5.1| 59.9 0.0 59.9 39.9 0.89| 5.2 4.6 2000 273 15 172 15| 5.1 0.0 5.1| 77.9 0.0 77.9 38.9 0.91| 5.1 4.7 2500 276 18 181 14| 5.0 0.0 5.0| 96.3 0.0 96.3 38.5 0.93| 5.1 4.7 3000 278 20 190 13| 5.0 0.0 5.0|114.0 0.0 114.0 38.0 0.92| 5.1 4.7 4000 281 24 209 13| 3.7 0.8 4.5|131.6 0.0 131.6 32.9 0.87| 4.6 4.0 5000 282 28 225 14| 3.0 1.2 4.2|149.3 0.0 149.3 29.9 0.81| 4.3 3.4 6000 283 31 236 16| 2.5 1.3 3.8|156.3 -9.5 146.9 24.5 0.73| 3.9 2.9 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20250430.12.gif