UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101100.upa.cvt Date: 0000Z 11 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 11 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 1027 74 -4.9 -8.5 76 3.6 -6.0 30 1 266.2 266.5 265.7 271.5 1.96 1 1000 283 -5.1 -8.7 76 3.6 -6.2 35 3 268.0 268.4 267.0 273.4 1.98 2 936 801 -6.9 -10.3 77 3.4 -7.9 43 5 271.3 271.6 269.0 276.5 1.86 3 925 893 -7.7 -11.1 77 3.4 -8.7 45 5 271.4 271.7 268.9 276.3 1.77 4 850 1546 -12.1 -14.7 81 2.6 -12.8 50 7 273.5 273.7 269.6 277.5 1.44 5 828 1746 -14.1 -16.1 85 2.0 -14.6 51 9 273.4 273.6 269.4 277.1 1.31 6 820 1820 -13.3 -14.8 88 1.5 -13.7 52 10 275.0 275.3 270.7 279.2 1.48 7 801 1999 -11.5 -13.8 83 2.3 -12.1 53 11 278.8 279.1 273.2 283.5 1.64 8 700 3020 -17.5 -24.5 54 7.0 -18.7 60 21 283.1 283.2 274.2 285.4 0.75 9 644 3640 -19.9 -31.9 34 12.0 -21.5 65 23 287.2 287.3 275.9 288.5 0.41 10 566 4585 -26.1 -30.8 65 4.7 -26.7 73 27 290.7 290.8 277.9 292.4 0.52 11 500 5470 -31.9 -37.9 55 6.0 -32.4 80 31 294.1 294.2 279.1 295.1 0.29 12 400 7010 -42.9 -50.9 41 8.0 -43.2 80 36 299.2 299.2 281.1 299.6 0.09 13 345 7994 -49.5 -58.5 34 9.0 -49.7 80 39 303.2 303.2 282.7 303.4 0.04 14 300 8900 -54.3 -64.3 28 10.0 -54.5 80 42 308.8 308.8 284.9 308.9 0.02 15 274 9478 -56.5 -66.5 27 10.0 -56.6 80 42 313.7 313.7 286.6 313.8 0.02 16 250 10060 -55.9 -65.9 28 10.0 -56.1 75 38 323.0 323.0 289.7 323.0 0.02 17 200 11490 -52.9 -64.9 22 12.0 -53.2 50 35 349.0 349.0 296.4 349.1 0.03 18 172 12459 -52.3 -68.3 13 16.0 -52.7 40 31 365.4 365.4 299.7 365.5 0.02 19 150 13340 -52.7 -70.7 10 18.0 -53.1 30 27 379.3 379.3 302.1 379.4 0.02 20 100 15930 -57.7 -75.7 8 18.0 -58.0 10 17 416.2 416.2 307.3 416.3 0.01 21 99 15993 -57.7 -75.7 8 18.0 -58.0 10 17 417.4 417.4 307.4 417.5 0.01 22 70 18170 -59.5 -81.5 4 22.0 -59.9 360 15 457.1 457.1 311.5 457.1 0.01 23 50 20280 -61.3 -83.3 4 22.0 -61.8 360 15 499.0 499.0 314.9 499.1 0.01 24 44 21073 -61.7 -83.7 4 22.0 -62.2 355 14 516.6 516.6 316.1 516.7 0.01 25 30 23460 -59.3 -81.3 4 22.0 -60.3 340 13 583.0 583.0 319.8 583.1 0.02 26 20 26010 -56.7 -78.7 5 22.0 -58.5 330 11 662.6 662.6 323.2 662.9 0.04 27 19 26335 -56.5 -78.5 5 22.0 -58.4 673.0 673.0 323.6 673.4 0.04 TRP 274 9478 -56.5 -66.5 27 10.0 -56.6 80 42 313.7 313.7 286.6 313.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5187.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 64.38 % Est. max temperature: 1.66 C = 34.99 F Sfc-Lift cond lev (LCL): 970.09 mb = 520.77 m = 1708.53 ft T: -5.93 C 700-500 lapse rate: 5.88 C/km ThetaE index: 0.39 C Layer 828.0- 820.0 mb Conv cond level (CCL): 871.24 mb = 1355.40 m = 4446.78 ft Mean mixing ratio: 1.92 g/kg Conv temperature: 1.82 C = 35.27 F Cap Strength: 14.37 C Lifted Index: 16.42 C Risk: None Lifted Index @300 mb: 24.37 C Lifted Index @700 mb: 9.43 C Showalter Index: 13.96 C Risk: None Total Totals Index: 37.00 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 17.20 C K Index: -1.90 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 3.72 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.79 J/kg Max Up Vert Vel: 5.62 m/s Conv Inhibition (B-): 55248.74 J/kg Cap Strength: 16.35 C Lift Cond Lev (LCL): 922.38 mb = 914.90 m = 3001.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 99 at 14 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 1027 74 30 1 -0.5 -0.9 | 283 14 13.3 -3.1 1 1000 283 35 3 -1.7 -2.5 | 291 13 12.1 -4.7 2 925 893 45 5 -3.5 -3.5 | 299 12 10.3 -5.8 3 850 1546 50 7 -5.4 -4.5 | 309 11 8.4 -6.7 4 700 3020 60 21 -18.2 -10.5 | 19 13 -4.4 -12.7 5 500 5470 80 31 -30.5 -5.4 | 66 18 -16.7 -7.6 6 400 7010 80 36 -35.5 -6.3 | 69 23 -21.6 -8.5 7 300 8900 80 42 -41.4 -7.3 | 71 29 -27.6 -9.5 8 274 9478 80 42 -41.4 -7.3 | 71 29 -27.6 -9.5 9 250 10060 75 38 -36.7 -9.8 | 62 26 -22.9 -12.1 10 200 11490 50 35 -26.8 -22.5 | 28 28 -13.0 -24.7 11 150 13340 30 27 -13.5 -23.4 | 359 26 0.3 -25.6 12 100 15930 10 17 -3.0 -16.7 | 330 22 10.9 -19.0 13 70 18170 360 15 -0.0 -15.0 | 321 22 13.8 -17.2 14 50 20280 360 15 -0.0 -15.0 | 321 22 13.8 -17.2 15 30 23460 340 13 4.4 -12.2 | 308 23 18.3 -14.4 16 20 26010 330 11 5.5 -9.5 | 301 23 19.3 -11.8 Wind Parameters Mean winds (0-6000m): 69.2 at 18.7 knts Storm direction: 99.2 at 14.0 knts Shear (0-3000m) pos: 3.5 neg: 0.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 97.0 deg Storm rel helicity (0-3000m) pos: 58.1 neg: 0.0 tot: 58.1 m^2/s^2 ave: 19.4 10^-3 m/s^2 rel: 0.93 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.45 Bulk Shear: 35.26 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 37 3 290 13| 3.1 0.0 3.1| 9.5 0.0 9.5 19.0 0.91| 3.1 2.8 1000 42 4 294 12| 2.4 0.0 2.4| 13.9 0.0 13.9 13.9 0.88| 2.4 2.1 1500 45 5 298 12| 2.2 0.0 2.2| 18.6 0.0 18.6 12.4 0.88| 2.2 2.0 2000 48 6 303 11| 2.9 0.0 2.9| 31.5 0.0 31.5 15.8 0.93| 2.9 2.7 2500 51 8 311 11| 3.3 0.0 3.3| 44.7 0.0 44.7 17.9 0.94| 3.3 3.1 3000 55 10 322 10| 3.5 0.0 3.5| 58.1 0.0 58.1 19.4 0.93| 3.5 3.3 4000 59 13 343 9| 3.2 0.0 3.2| 77.0 0.0 77.0 19.2 0.93| 3.3 3.1 5000 65 16 4 9| 3.0 0.0 3.0| 99.0 0.0 99.0 19.8 0.93| 3.2 3.0 6000 69 19 22 10| 2.6 0.1 2.8|111.3 0.0 111.3 18.5 0.89| 3.1 2.7 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251011.00.gif