UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101400.upa.cvt Date: 0000Z 14 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 14 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 1030 78 -11.9 -13.0 92 1.1 -12.2 360 1 259.1 259.3 259.2 262.7 1.36 1 1000 306 -7.5 -9.1 88 1.6 -7.9 15 3 265.6 266.0 265.2 270.8 1.92 2 978 480 -4.3 -6.7 83 2.4 -5.1 16 4 270.6 271.0 269.3 277.0 2.36 3 925 914 -8.3 -12.0 75 3.7 -9.3 20 7 270.8 271.1 268.2 275.4 1.64 4 919 964 -8.7 -12.4 75 3.7 -9.7 22 8 270.9 271.2 268.2 275.4 1.60 5 882 1281 -8.3 -13.3 67 5.0 -9.6 31 12 274.5 274.8 270.5 278.9 1.55 6 850 1566 -8.7 -14.7 62 6.0 -10.3 40 15 277.0 277.3 271.8 281.2 1.44 7 745 2579 -14.3 -23.3 46 9.0 -16.0 57 25 281.6 281.7 273.4 284.0 0.78 8 700 3050 -17.1 -27.1 42 10.0 -18.8 65 29 283.5 283.7 274.2 285.4 0.59 9 626 3881 -18.9 -32.9 28 14.0 -20.9 60 33 290.7 290.8 277.6 291.9 0.38 10 610 4072 -19.3 -33.3 28 14.0 -21.3 59 33 292.4 292.5 278.4 293.6 0.38 11 545 4899 -23.5 -37.5 26 14.0 -25.1 54 37 297.0 297.0 280.4 297.9 0.28 12 521 5225 -26.5 -39.5 28 13.0 -27.8 52 39 297.2 297.3 280.4 298.0 0.24 13 500 5520 -28.9 -41.9 27 13.0 -30.0 50 40 297.8 297.8 280.7 298.5 0.19 14 400 7040 -41.7 -54.7 23 13.0 -42.2 45 44 300.8 300.8 281.8 301.0 0.06 15 321 8493 -53.7 -65.7 22 12.0 -53.9 303.7 303.7 282.9 303.8 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 5214.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 47.96 % Est. max temperature: 3.87 C = 38.96 F Sfc-Lift cond lev (LCL): 1011.74 mb = 215.91 m = 708.35 ft T: -9.24 C 700-500 lapse rate: 4.78 C/km ThetaE index: 1.63 C Layer 925.0- 882.0 mb Conv cond level (CCL): 787.25 mb = 2155.28 m = 7071.05 ft Mean mixing ratio: 1.94 g/kg Conv temperature: 8.91 C = 48.04 F Cap Strength: 20.54 C Lifted Index: 20.59 C Risk: None Lifted Index @700 mb: 11.01 C Showalter Index: 14.09 C Risk: None Total Totals Index: 34.40 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 14.20 C K Index: -4.50 Risk: None Sweat Index: 70.00 Risk: None Energy Index: 3.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 45.79 J/kg Max Up Vert Vel: 9.57 m/s Conv Inhibition (B-): 4964.68 J/kg Cap Strength: 20.51 C Lift Cond Lev (LCL): 945.85 mb = 740.27 m = 2428.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 83 at 19 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 1030 78 360 1 -0.0 -1.0 | 266 19 19.0 1.2 1 1000 306 15 3 -0.8 -2.9 | 272 18 18.2 -0.7 2 925 914 20 7 -2.4 -6.6 | 285 17 16.6 -4.4 3 850 1566 40 15 -9.6 -11.5 | 315 13 9.3 -9.3 4 700 3050 65 29 -26.3 -12.3 | 36 12 -7.3 -10.1 5 500 5520 50 40 -30.6 -25.7 | 26 26 -11.7 -23.5 6 400 7040 45 44 -31.1 -31.1 | 23 31 -12.1 -28.9 Wind Parameters Mean winds (0-6000m): 53.4 at 25.5 knts Storm direction: 83.4 at 19.1 knts Shear (0-3000m) pos: 4.9 neg: 0.0 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 129.5 deg Storm rel helicity (0-3000m) pos: 111.5 neg: 0.0 tot: 111.5 m^2/s^2 ave: 37.2 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 5.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.64 Bulk Shear: 71.27 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 15 3 272 18| 4.0 0.0 4.0| 17.6 0.0 17.6 35.2 0.94| 4.0 3.7 1000 19 5 278 18| 4.2 0.0 4.2| 36.2 0.0 36.2 36.2 0.94| 4.2 4.0 1500 29 7 285 16| 4.9 0.0 4.9| 60.0 0.0 60.0 40.0 0.92| 5.2 4.8 2000 36 10 293 14| 4.9 0.0 4.9| 76.9 0.0 76.9 38.4 0.93| 5.3 4.9 2500 43 12 302 13| 4.9 0.0 4.9| 94.0 0.0 94.0 37.6 0.94| 5.4 5.1 3000 50 15 313 11| 4.9 0.0 4.9|111.5 0.0 111.5 37.2 0.95| 5.5 5.2 4000 55 19 337 9| 3.7 0.7 4.4|111.5 -3.7 107.8 27.0 0.78| 4.8 3.8 5000 55 22 356 11| 3.0 1.2 4.1|111.5 -12.3 99.3 19.9 0.64| 4.5 2.9 6000 53 25 6 13| 2.5 1.4 3.8|111.5 -22.4 89.1 14.8 0.55| 4.1 2.3 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251014.00.gif