UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 26 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 1000 75 8.0 1.0 61 7.0 4.8 210 3 281.1 281.9 277.9 292.6 4.11 1 939 593 8.8 2.8 66 6.0 5.8 254 18 287.1 287.9 281.8 301.2 4.98 2 925 717 8.0 5.9 87 2.1 6.9 265 21 287.5 288.6 283.5 305.3 6.30 3 894 999 6.0 6.0 100 0.0 6.0 267 26 288.2 289.4 284.1 306.8 6.57 4 850 1413 4.8 4.8 100 0.0 4.8 270 33 291.2 292.3 285.1 309.4 6.35 5 742 2514 -0.5 -0.5 100 0.0 -0.5 263 46 296.9 297.8 285.9 311.6 4.97 6 700 2978 -3.7 -4.5 94 0.8 -4.0 260 52 298.4 299.1 285.4 310.1 3.91 7 656 3488 -6.7 -7.5 94 0.8 -7.0 262 50 300.6 301.2 285.6 310.7 3.32 8 508 5442 -18.5 -19.6 91 1.1 -18.8 270 42 309.1 309.4 286.8 314.3 1.59 9 500 5560 -19.9 -21.2 89 1.3 -20.2 270 42 308.8 309.0 286.5 313.4 1.41 10 458 6205 -24.1 -26.6 80 2.5 -24.6 274 43 311.4 311.6 286.9 314.6 0.95 11 429 6676 -29.9 -32.6 77 2.7 -30.3 277 43 309.9 310.0 286.0 311.8 0.58 12 400 7170 -33.7 -36.5 76 2.8 -34.0 280 44 311.2 311.3 286.3 312.7 0.42 13 369 7728 -38.1 -41.3 72 3.2 -38.4 283 46 312.6 312.7 286.6 313.6 0.28 14 326 8563 -46.5 -51.0 60 4.5 -46.7 287 50 312.3 312.3 286.3 312.7 0.11 15 300 9110 -49.3 -54.3 56 5.0 -49.4 290 52 315.9 315.9 287.5 316.2 0.08 16 262 9984 -55.9 -61.9 47 6.0 -56.0 297 56 318.7 318.7 288.3 318.8 0.04 17 250 10280 -58.3 -64.3 46 6.0 -58.4 300 58 319.4 319.4 288.6 319.5 0.03 18 232 10753 -62.4 -69.0 41 6.6 -62.4 305 60 320.1 320.1 288.8 320.1 0.02 19 220 11084 -65.3 -72.3 37 7.0 -65.4 300 54 320.5 320.5 288.9 320.5 0.01 20 200 11680 -60.3 -67.3 39 7.0 -60.4 295 48 337.3 337.3 293.7 337.4 0.02 21 188 12070 -56.1 -63.1 41 7.0 -56.2 350.1 350.1 296.7 350.2 0.04 TRP 220 11084 -65.3 -72.3 37 7.0 -65.4 300 54 320.5 320.5 288.9 320.5 0.01 WND 232 10753 -62.4 -69.0 41 6.6 -62.4 305 60 320.1 320.1 288.8 320.1 0.02 Sounding variables and indices 1000-500 mb thick: 5485.02 m Freezing level: 752.19 mb = 2409.71 m = 7905.77 ft Wetbulb zero: 752.28 mb = 2402.09 m = 7880.77 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 92.07 % Est. max temperature: 18.02 C = 64.44 F Sfc-Lift cond lev (LCL): 898.41 mb = 957.96 m = 3142.87 ft T: 6.29 C 700-500 lapse rate: 6.27 C/km ThetaE index: 1.52 C Layer 700.0- 656.0 mb Conv cond level (CCL): 758.66 mb = 2333.66 m = 7656.27 ft Mean mixing ratio: 5.19 g/kg Conv temperature: 22.85 C = 73.12 F Cap Strength: 9.43 C Lifted Index: 8.97 C Risk: None Lifted Index @300 mb: 11.27 C Lifted Index @700 mb: 5.66 C Showalter Index: 2.81 C Risk: Showers probable Total Totals Index: 49.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 24.70 C K Index: 28.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 173.60 Risk: None Energy Index: 0.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.67 J/kg Max Up Vert Vel: 7.17 m/s Conv Inhibition (B-): 4332.22 J/kg Cap Strength: 9.23 C Lift Cond Lev (LCL): 884.25 mb = 1088.59 m = 3571.43 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 295 at 30 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 1000 75 210 3 1.5 2.6 | 121 30 -25.4 15.2 1 925 717 265 21 20.9 1.8 | 157 16 -6.0 14.4 2 850 1413 270 33 33.0 -0.0 | 206 14 6.1 12.6 3 700 2978 260 52 51.2 9.0 | 228 33 24.3 21.6 4 500 5560 270 42 42.0 -0.0 | 230 20 15.1 12.6 5 400 7170 280 44 43.3 -7.6 | 253 17 16.4 5.0 6 300 9110 290 52 48.9 -17.8 | 283 23 21.9 -5.2 7 250 10280 300 58 50.2 -29.0 | 305 29 23.3 -16.4 8 232 10753 305 60 49.1 -34.4 | 314 31 22.2 -21.8 9 220 11084 300 54 46.8 -27.0 | 306 25 19.9 -14.4 10 200 11680 295 48 43.5 -20.3 | 295 18 16.6 -7.7 Wind Parameters Mean winds (0-6000m): 265.1 at 39.6 knts Storm direction: 295.1 at 29.7 knts Shear (0-3000m) pos: 5.7 neg: 3.1 tot: 8.8 10-3/s Storm rel Dir Shear (0-3000m): 107.6 deg Storm rel helicity (0-3000m) pos: 187.6 neg: 0.0 tot: 187.6 m^2/s^2 ave: 62.5 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 9.4 stream: 6.0 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.22 Bulk Shear: 117.34 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 ------------------------------------------------------------------------------- 500 258 10 130 23| 15.4 0.0 15.4| 88.9 0.0 88.9 177.8 0.79| 16.5 13.1 1000 263 16 144 18| 13.2 0.0 13.2|125.0 0.0 125.0 125.0 0.77| 14.3 11.0 1500 266 21 158 15| 11.5 0.0 11.5|152.1 0.0 152.1 101.4 0.80| 12.3 9.9 2000 267 25 174 14| 8.6 1.7 10.3|167.7 0.0 167.7 83.8 0.76| 10.9 8.3 2500 266 29 188 15| 6.9 2.7 9.6|180.1 0.0 180.1 72.0 0.70| 10.1 7.0 3000 264 33 200 17| 5.7 3.1 8.8|187.6 0.0 187.6 62.5 0.64| 9.4 6.0 4000 263 37 210 19| 3.9 2.3 6.2|193.1 0.0 193.1 48.3 0.60| 7.7 4.6 5000 264 39 215 20| 2.9 1.8 4.7|194.6 0.0 194.6 38.9 0.56| 6.7 3.7 6000 265 40 218 20| 2.4 1.5 4.0|205.9 -0.3 205.6 34.3 0.55| 6.0 3.3 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20250426.00.gif