UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041600.upa.cvt Date: 0000Z 16 APR 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 16 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 1006 78 1.2 -8.8 47 10.0 -2.1 240 5 273.9 274.2 270.7 279.3 1.95 1 1000 126 1.0 -9.0 47 10.0 -2.3 245 5 274.1 274.5 270.9 279.6 1.93 2 925 738 -1.3 -12.3 43 11.0 -4.7 255 9 278.0 278.3 272.6 282.6 1.60 3 890 1049 -2.5 -14.5 39 12.0 -6.0 260 11 279.8 280.1 273.4 283.9 1.39 4 850 1418 -4.7 -13.7 49 9.0 -7.3 265 13 281.2 281.5 274.4 285.8 1.56 5 754 2353 -10.5 -10.5 100 0.0 -10.5 274 19 284.7 285.1 277.3 291.4 2.28 6 719 2720 -10.5 -10.5 100 0.0 -10.5 278 22 288.6 289.1 279.4 295.7 2.39 7 700 2926 -11.5 -12.4 93 0.9 -11.8 280 23 289.7 290.1 279.6 296.0 2.11 8 624 3796 -17.1 -18.6 88 1.5 -17.4 285 26 293.0 293.3 280.1 297.4 1.41 9 561 4590 -18.9 -21.2 82 2.3 -19.4 290 30 300.0 300.2 283.0 304.0 1.25 10 500 5440 -22.9 -26.7 71 3.8 -23.6 295 33 305.1 305.3 284.5 308.0 0.86 11 469 5907 -25.1 -29.3 68 4.2 -25.8 295 34 308.0 308.2 285.5 310.5 0.72 12 405 6953 -34.3 -39.2 61 4.9 -34.8 295 35 309.3 309.4 285.5 310.4 0.32 13 400 7040 -34.7 -39.6 61 4.9 -35.1 295 35 309.9 309.9 285.7 311.0 0.31 14 300 9010 -43.5 -48.5 58 5.0 -43.7 290 35 324.0 324.1 290.2 324.6 0.16 15 250 10220 -48.7 -54.7 50 6.0 -48.9 285 35 333.7 333.7 292.8 334.0 0.09 16 241 10460 -49.5 -55.5 49 6.0 -49.7 284 35 336.0 336.0 293.4 336.3 0.09 17 200 11660 -57.3 -64.3 41 7.0 -57.4 280 33 342.0 342.0 294.8 342.2 0.03 18 188 12052 -59.5 -66.5 40 7.0 -59.6 280 33 344.6 344.6 295.4 344.7 0.03 19 164 12913 -59.1 -66.1 40 7.0 -59.2 280 33 359.0 359.0 298.5 359.1 0.03 20 150 13480 -55.3 -63.3 36 8.0 -55.5 280 33 374.8 374.8 301.4 375.0 0.05 21 138 14013 -52.5 -61.5 33 9.0 -52.8 280 33 388.8 388.8 303.6 389.1 0.07 22 100 16100 -50.1 -67.1 12 17.0 -50.9 280 31 430.9 430.9 309.0 431.2 0.05 23 99 16166 -50.1 -67.1 12 17.0 -50.9 432.2 432.2 309.1 432.4 0.05 24 88 16932 -51.7 -68.7 11 17.0 -52.5 443.8 443.8 310.3 444.0 0.04 TRP 188 12052 -59.5 -66.5 40 7.0 -59.6 280 33 344.6 344.6 295.4 344.7 0.03 WND Sounding variables and indices 1000-500 mb thick: 5314.00 m Freezing level: 967.39 mb = 392.09 m = 1286.36 ft Wetbulb zero: Below ground Precipitable water: 0.38 inches Sfc-500 mean rel hum: 74.33 % Est. max temperature: 8.34 C = 47.01 F Sfc-Lift cond lev (LCL): 860.41 mb = 1320.38 m = 4331.89 ft T: -4.12 C 700-500 lapse rate: 4.53 C/km Conv cond level (CCL): 639.88 mb = 3605.84 m = 11830.03 ft Mean mixing ratio: 1.73 g/kg Conv temperature: 19.67 C = 67.40 F Cap Strength: 16.65 C Lifted Index: 19.97 C Risk: None Lifted Index @300 mb: 30.28 C Lifted Index @700 mb: 10.16 C Showalter Index: 16.51 C Risk: None Total Totals Index: 27.40 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: 9.20 C K Index: 3.60 Risk: None Sweat Index: 59.00 Risk: None Energy Index: 4.60 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.44 J/kg Max Up Vert Vel: 4.99 m/s Conv Inhibition (B-): 23754.52 J/kg Cap Strength: 19.49 C Lift Cond Lev (LCL): 808.36 mb = 1809.86 m = 5937.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 314 at 16 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 1006 78 240 5 4.3 2.5 | 152 16 -7.5 14.0 1 1000 126 245 5 4.5 2.1 | 152 15 -7.3 13.6 2 925 738 255 9 8.7 2.3 | 167 14 -3.1 13.8 3 850 1418 265 13 13.0 1.1 | 185 13 1.1 12.6 4 700 2926 280 23 22.7 -4.0 | 235 13 10.8 7.5 5 500 5440 295 33 29.9 -13.9 | 278 18 18.1 -2.4 6 400 7040 295 35 31.7 -14.8 | 279 20 19.9 -3.3 7 300 9010 290 35 32.9 -12.0 | 271 21 21.1 -0.5 8 250 10220 285 35 33.8 -9.1 | 264 22 22.0 2.4 9 200 11660 280 33 32.5 -5.7 | 254 21 20.7 5.8 10 188 12052 280 33 32.5 -5.7 | 254 21 20.7 5.8 11 150 13480 280 33 32.5 -5.7 | 254 21 20.7 5.8 12 100 16100 280 31 30.5 -5.4 | 252 20 18.7 6.1 Wind Parameters Mean winds (0-6000m): 284.3 at 22.0 knts Storm direction: 314.3 at 16.5 knts Shear (0-3000m) pos: 3.4 neg: 0.0 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 86.3 deg Storm rel helicity (0-3000m) pos: 69.5 neg: 0.0 tot: 69.5 m^2/s^2 ave: 23.2 10^-3 m/s^2 rel: 0.96 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.32 Bulk Shear: 39.16 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 ------------------------------------------------------------------------------- 500 249 6 157 15| 3.3 0.0 3.3| 11.7 0.0 11.7 23.3 0.88| 3.4 3.0 1000 254 8 163 14| 3.4 0.0 3.4| 23.2 0.0 23.2 23.2 0.91| 3.4 3.1 1500 258 9 169 14| 3.4 0.0 3.4| 34.3 0.0 34.3 22.9 0.93| 3.4 3.2 2000 262 11 176 13| 3.4 0.0 3.4| 46.0 0.0 46.0 23.0 0.95| 3.5 3.3 2500 266 13 184 12| 3.5 0.0 3.5| 58.2 0.0 58.2 23.3 0.96| 3.6 3.4 3000 270 14 192 12| 3.4 0.0 3.4| 69.5 0.0 69.5 23.2 0.96| 3.5 3.4 4000 275 17 207 11| 3.1 0.0 3.1| 86.3 0.0 86.3 21.6 0.96| 3.3 3.1 5000 280 20 223 11| 3.0 0.0 3.0|105.4 0.0 105.4 21.1 0.94| 3.1 3.0 6000 284 22 237 11| 2.6 0.1 2.7|114.1 0.0 114.1 19.0 0.92| 2.8 2.6 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20250416.00.gif