UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 28 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 72 16.8 5.8 48 11.0 10.8 110 7 290.0 291.0 284.0 306.5 5.78 1 925 729 12.0 4.0 58 8.0 7.8 120 17 291.6 292.6 284.4 307.5 5.51 2 868 1259 8.4 4.6 77 3.8 6.4 158 22 293.2 294.3 285.7 310.9 6.13 3 850 1432 8.0 3.5 73 4.5 5.6 170 23 294.5 295.6 285.8 311.4 5.79 4 843 1500 7.8 3.3 73 4.5 5.5 170 24 295.0 296.0 285.9 311.8 5.76 5 700 3007 -1.7 -3.3 89 1.6 -2.4 180 36 300.6 301.4 286.6 313.5 4.28 6 687 3155 -2.7 -4.2 89 1.5 -3.4 179 36 301.1 301.9 286.5 313.5 4.08 7 656 3519 -4.9 -7.9 79 3.0 -6.1 175 35 302.6 303.2 286.2 312.5 3.21 8 578 4503 -8.9 -30.9 15 22.0 -13.6 166 34 309.1 309.2 285.6 310.8 0.50 9 534 5108 -15.1 -40.1 10 25.0 -18.8 160 34 308.8 308.8 285.1 309.5 0.22 10 500 5600 -18.9 -43.9 9 25.0 -22.0 155 33 310.0 310.0 285.5 310.6 0.16 11 453 6327 -24.5 -40.5 21 16.0 -26.4 162 31 311.8 311.9 286.3 312.7 0.25 12 400 7220 -31.9 -35.5 70 3.6 -32.3 170 29 313.5 313.6 287.1 315.2 0.46 13 370 7767 -36.3 -39.9 69 3.6 -36.6 184 28 314.8 314.8 287.4 315.9 0.32 14 325 8655 -42.7 -48.7 52 6.0 -43.0 206 26 317.8 317.8 288.2 318.3 0.14 15 300 9190 -47.7 -55.7 39 8.0 -48.0 220 25 318.1 318.1 288.2 318.4 0.07 16 294 9324 -49.5 -57.5 39 8.0 -49.7 226 25 317.4 317.4 287.9 317.6 0.05 17 251 10345 -60.3 -71.3 22 11.0 -60.4 275 25 316.1 316.1 287.5 316.1 0.01 18 250 10370 -59.9 -71.9 19 12.0 -60.0 275 25 317.0 317.0 287.8 317.1 0.01 19 233 10814 -54.9 -68.9 16 14.0 -55.1 280 26 331.0 331.1 292.0 331.1 0.02 20 200 11790 -54.1 -74.1 7 20.0 -54.4 290 27 347.1 347.1 296.0 347.1 0.01 21 159 13267 -52.5 -74.5 5 22.0 -52.9 373.3 373.3 301.2 373.4 0.01 TRP 251 10345 -60.3 -71.3 22 11.0 -60.4 275 25 316.1 316.1 287.5 316.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5527.64 m Freezing level: 725.59 mb = 2737.37 m = 8980.75 ft Wetbulb zero: 744.13 mb = 2511.42 m = 8239.48 ft Precipitable water: 0.80 inches Sfc-500 mean rel hum: 56.00 % Est. max temperature: 21.38 C = 70.48 F Sfc-Lift cond lev (LCL): 847.96 mb = 1451.79 m = 4763.02 ft T: 7.94 C 700-500 lapse rate: 6.63 C/km Conv cond level (CCL): 740.92 mb = 2546.52 m = 8354.61 ft Mean mixing ratio: 5.65 g/kg Conv temperature: 25.77 C = 78.39 F Cap Strength: 6.78 C Lifted Index: 5.16 C Risk: None Lifted Index @300 mb: 7.89 C Lifted Index @700 mb: 3.79 C Showalter Index: 2.53 C Risk: Showers probable Total Totals Index: 49.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 22.40 C K Index: 28.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 127.00 Risk: None Energy Index: -0.11 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.89 J/kg Max Up Vert Vel: 3.71 m/s Conv Inhibition (B-): 5221.84 J/kg Cap Strength: 6.71 C Lift Cond Lev (LCL): 829.80 mb = 1628.11 m = 5341.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 196 at 22 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 72 110 7 -6.6 2.4 | 34 22 -12.5 -18.6 1 925 729 120 17 -14.7 8.5 | 59 24 -20.7 -12.5 2 850 1432 170 23 -4.0 22.7 | 99 10 -10.0 1.7 3 700 3007 180 36 0.0 36.0 | 158 16 -6.0 15.0 4 500 5600 155 33 -13.9 29.9 | 114 22 -19.9 8.9 5 400 7220 170 29 -5.0 28.6 | 125 13 -11.0 7.6 6 300 9190 220 25 16.1 19.2 | 280 10 10.1 -1.8 7 251 10345 275 25 24.9 -2.2 | 321 30 18.9 -23.2 8 250 10370 275 25 24.9 -2.2 | 321 30 18.9 -23.2 9 200 11790 290 27 25.4 -9.2 | 327 36 19.4 -30.2 Wind Parameters Mean winds (0-6000m): 165.9 at 29.1 knts Storm direction: 195.9 at 21.8 knts Shear (0-3000m) pos: 5.8 neg: 0.0 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 122.9 deg Storm rel helicity (0-3000m) pos: 156.1 neg: -0.7 tot: 155.5 m^2/s^2 ave: 51.8 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 5.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.09 Bulk Shear: 73.65 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 ------------------------------------------------------------------------------- 500 116 11 44 23| 8.0 0.0 8.0| 46.5 0.0 46.5 93.1 0.99| 8.0 7.9 1000 124 14 54 22| 7.6 0.0 7.6| 94.9 0.0 94.9 94.9 0.87| 9.5 8.2 1500 141 17 65 18| 7.4 0.0 7.4|120.6 0.0 120.6 80.4 0.78| 10.1 7.9 2000 153 19 75 15| 6.7 0.0 6.7|132.5 0.0 132.5 66.2 0.81| 8.7 7.0 2500 160 21 86 13| 6.3 0.0 6.3|145.1 0.0 145.1 58.1 0.81| 7.9 6.4 3000 165 24 99 12| 5.8 0.0 5.8|156.1 -0.7 155.5 51.8 0.80| 7.3 5.8 4000 169 27 114 12| 4.4 0.8 5.2|156.1 -26.8 129.3 32.3 0.58| 6.2 3.6 5000 168 28 119 14| 3.5 1.2 4.7|156.1 -53.8 102.3 20.5 0.42| 5.6 2.3 6000 166 29 119 15| 3.0 1.3 4.2|161.2 -67.9 93.3 15.6 0.35| 5.1 1.8 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20250428.12.gif