UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103000.upa.cvt Date: 0000Z 30 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 30 OCT 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 1008 79 5.2 3.0 86 2.2 4.2 250 3 277.7 278.5 276.9 290.6 4.71 1 1000 144 5.0 2.8 86 2.2 4.0 255 5 278.1 278.9 277.2 291.0 4.68 2 925 766 1.2 -0.9 86 2.1 0.3 265 9 280.5 281.2 277.3 291.3 3.87 3 918 828 0.8 -1.3 86 2.1 -0.1 265 10 280.7 281.4 277.3 291.3 3.78 4 868 1284 2.0 -0.1 86 2.1 1.0 269 17 286.5 287.3 280.9 299.0 4.37 5 850 1455 1.4 -0.7 86 2.1 0.4 270 19 287.6 288.4 281.3 299.8 4.27 6 746 2498 -2.5 -4.5 86 2.0 -3.3 270 26 294.3 295.0 283.5 305.2 3.67 7 700 3000 -5.7 -7.7 86 2.0 -6.5 270 29 296.2 296.7 283.5 305.4 3.06 8 577 4486 -13.7 -16.2 81 2.5 -14.5 281 42 303.6 304.0 285.1 309.6 1.87 9 529 5135 -20.1 -29.1 45 9.0 -21.7 287 48 303.6 303.7 283.7 305.8 0.65 10 500 5550 -22.3 -29.3 53 7.0 -23.5 290 52 305.9 306.0 284.6 308.1 0.68 11 400 7150 -33.3 -37.8 64 4.5 -33.8 295 64 311.7 311.8 286.4 313.0 0.37 12 375 7603 -36.5 -40.4 67 3.9 -36.8 295 68 313.3 313.3 286.9 314.4 0.30 13 300 9120 -47.9 -51.8 64 3.9 -48.0 295 81 317.8 317.9 288.2 318.2 0.11 14 250 10290 -57.1 -61.0 61 3.9 -57.2 295 85 321.2 321.2 289.2 321.3 0.04 15 207 11462 -67.1 -70.9 58 3.8 -67.1 300 89 323.3 323.3 289.8 323.4 0.01 16 200 11670 -67.0 -70.8 58 3.8 -67.0 300 91 326.6 326.6 290.7 326.7 0.01 17 176 12444 -66.7 -70.5 59 3.8 -66.7 304 83 339.3 339.3 294.1 339.4 0.02 18 150 13420 -63.3 -67.1 60 3.8 -63.4 310 73 361.0 361.0 299.0 361.2 0.03 19 137 13977 -61.3 -65.1 61 3.8 -61.4 310 71 374.0 374.1 301.3 374.3 0.04 20 100 15930 -59.9 -64.3 56 4.4 -60.0 310 64 412.0 412.0 306.8 412.3 0.07 21 98 16056 -59.7 310 64 414.8 22 70 18130 -65.1 305 56 445.1 23 69 18218 -65.1 305 56 446.9 24 50 20180 -66.1 305 52 487.7 25 30 23260 -66.5 300 50 563.4 26 27 23897 -67.3 578.3 TRP 207 11462 -67.1 -70.9 58 3.8 -67.1 300 89 323.3 323.3 289.8 323.4 0.01 WND 200 11670 -67.0 -70.8 58 3.8 -67.0 300 91 326.6 326.6 290.7 326.7 0.01 Sounding variables and indices 1000-500 mb thick: 5406.00 m Freezing level: 812.67 mb = 1829.42 m = 6001.95 ft Wetbulb zero: 919.66 mb = 813.10 m = 2667.62 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 79.42 % Est. max temperature: 14.63 C = 58.33 F Sfc-Lift cond lev (LCL): 974.40 mb = 350.88 m = 1151.18 ft T: 3.74 C 700-500 lapse rate: 6.51 C/km ThetaE index: 0.01 C Layer 918.0- 868.0 mb Conv cond level (CCL): 743.30 mb = 2526.57 m = 8289.16 ft Mean mixing ratio: 4.23 g/kg Conv temperature: 21.93 C = 71.48 F Cap Strength: 12.65 C Lifted Index: 13.01 C Risk: None Lifted Index @300 mb: 18.94 C Lifted Index @700 mb: 9.10 C Showalter Index: 6.77 C Risk: None Total Totals Index: 45.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 21.60 C K Index: 21.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 90.00 Risk: None Energy Index: 1.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.42 J/kg Max Up Vert Vel: 4.10 m/s Conv Inhibition (B-): 35936.53 J/kg Cap Strength: 12.72 C Lift Cond Lev (LCL): 926.02 mb = 757.18 m = 2484.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 310 at 23 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 1008 79 250 3 2.8 1.0 | 137 22 -14.8 16.0 1 1000 144 255 5 4.8 1.3 | 142 21 -12.8 16.3 2 925 766 265 9 9.0 0.8 | 151 18 -8.7 15.8 3 850 1455 270 19 19.0 -0.0 | 185 15 1.4 15.0 4 700 3000 270 29 29.0 -0.0 | 217 19 11.4 15.0 5 500 5550 290 52 48.9 -17.8 | 275 31 31.2 -2.8 6 400 7150 295 64 58.0 -27.0 | 287 42 40.4 -12.1 7 300 9120 295 81 73.4 -34.2 | 289 59 55.8 -19.3 8 250 10290 295 85 77.0 -35.9 | 289 63 59.4 -20.9 9 207 11462 300 89 77.1 -44.5 | 296 66 59.4 -29.5 10 200 11670 300 91 78.8 -45.5 | 297 68 61.2 -30.5 11 150 13420 310 73 55.9 -46.9 | 310 50 38.3 -31.9 12 100 15930 310 64 49.0 -41.1 | 310 41 31.4 -26.2 13 70 18130 305 56 45.9 -32.1 | 301 33 28.2 -17.1 14 50 20180 305 52 42.6 -29.8 | 301 29 25.0 -14.9 15 30 23260 300 50 43.3 -25.0 | 291 28 25.7 -10.0 Wind Parameters Mean winds (0-6000m): 280.3 at 30.9 knts Storm direction: 310.3 at 23.1 knts Shear (0-3000m) pos: 3.5 neg: 1.1 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 82.3 deg Storm rel helicity (0-3000m) pos: 110.1 neg: 0.0 tot: 110.1 m^2/s^2 ave: 36.7 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 4.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.10 Bulk Shear: 84.61 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 ------------------------------------------------------------------------------- 500 259 6 144 20| 5.0 0.0 5.0| 21.4 0.0 21.4 42.8 0.80| 5.1 4.1 1000 263 8 149 19| 5.5 0.0 5.5| 44.7 0.0 44.7 44.7 0.84| 5.5 4.7 1500 267 11 157 17| 5.8 0.0 5.8| 69.9 0.0 69.9 46.6 0.89| 5.9 5.2 2000 268 14 165 16| 4.4 0.8 5.2| 82.7 0.0 82.7 41.3 0.90| 5.2 4.7 2500 269 16 173 15| 3.5 1.3 4.8| 95.5 0.0 95.5 38.2 0.90| 4.8 4.4 3000 269 18 181 15| 3.5 1.1 4.6|110.1 0.0 110.1 36.7 0.90| 4.6 4.2 4000 271 22 196 15| 3.8 0.8 4.7|161.7 0.0 161.7 40.4 0.91| 4.8 4.3 5000 276 26 215 15| 4.0 0.7 4.7|223.5 0.0 223.5 44.7 0.90| 4.9 4.4 6000 280 31 233 16| 4.1 0.6 4.7|278.9 0.0 278.9 46.5 0.86| 4.9 4.3 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251030.00.gif