UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101500.upa.cvt Date: 0000Z 15 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 15 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 1034 77 -12.3 -13.5 91 1.2 -12.6 320 1 258.4 258.6 258.5 261.8 1.30 1 1000 335 -6.7 -8.6 86 1.9 -7.2 325 3 266.5 266.8 265.9 271.8 1.99 2 979 501 -3.7 -5.8 85 2.1 -4.4 335 4 271.1 271.5 269.9 278.0 2.53 3 925 948 -3.7 -6.9 78 3.2 -4.8 360 7 275.5 275.9 272.5 282.4 2.46 4 914 1042 -3.7 -7.3 76 3.6 -4.9 4 8 276.5 276.9 273.0 283.2 2.41 5 850 1613 -6.1 -11.1 68 5.0 -7.7 30 13 279.8 280.1 274.2 285.3 1.92 6 700 3113 -13.9 -23.9 43 10.0 -15.9 20 21 287.1 287.2 276.4 289.5 0.79 7 608 4171 -19.1 -33.1 28 14.0 -21.1 24 23 292.9 293.0 278.7 294.2 0.39 8 507 5500 -27.1 -34.1 51 7.0 -27.9 30 25 298.8 298.9 281.4 300.2 0.42 9 500 5600 -27.9 -33.9 56 6.0 -28.6 30 25 299.0 299.1 281.5 300.5 0.43 10 433 6613 -34.9 -38.6 69 3.7 -35.2 27 24 302.7 302.7 282.9 303.8 0.31 11 400 7160 -38.3 -42.6 64 4.3 -38.6 25 23 305.2 305.3 283.8 306.0 0.22 12 300 9080 -52.3 -58.3 48 6.0 -52.4 15 27 311.6 311.6 285.9 311.8 0.05 13 253 10156 -59.1 -65.1 46 6.0 -59.2 10 31 317.1 317.1 287.8 317.2 0.02 14 250 10230 -59.3 -65.3 46 6.0 -59.4 10 31 317.9 317.9 288.1 318.0 0.02 15 224 10924 -61.7 -67.7 45 6.0 -61.7 10 35 324.4 324.4 290.1 324.4 0.02 16 200 11640 -58.7 -64.7 46 6.0 -58.8 360 36 339.8 339.8 294.3 339.9 0.03 17 150 13430 -58.3 -65.3 40 7.0 -58.5 355 27 369.6 369.6 300.5 369.8 0.04 18 137 14001 -58.1 -66.1 35 8.0 -58.3 379.7 379.7 302.2 379.9 0.04 19 108 15486 -61.9 -76.9 12 15.0 -62.1 399.2 399.2 305.1 399.3 0.01 TRP 224 10924 -61.7 -67.7 45 6.0 -61.7 10 35 324.4 324.4 290.1 324.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5265.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 53.94 % Est. max temperature: 7.50 C = 45.50 F Sfc-Lift cond lev (LCL): 1014.03 mb = 227.42 m = 746.11 ft T: -9.03 C 700-500 lapse rate: 5.63 C/km ThetaE index: 0.00 C Layer 1034.0- 0.0 mb Conv cond level (CCL): 748.34 mb = 2597.10 m = 8520.57 ft Mean mixing ratio: 2.17 g/kg Conv temperature: 14.16 C = 57.50 F Cap Strength: 20.28 C Lifted Index: 20.36 C Risk: None Lifted Index @300 mb: 26.31 C Lifted Index @700 mb: 12.97 C Showalter Index: 11.92 C Risk: None Total Totals Index: 38.60 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 16.80 C K Index: 0.70 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 3.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 59.91 J/kg Max Up Vert Vel: 10.95 m/s Conv Inhibition (B-): 18341.42 J/kg Cap Strength: 20.35 C Lift Cond Lev (LCL): 954.02 mb = 704.75 m = 2312.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 54 at 13 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 1034 77 320 1 0.6 -0.8 | 238 13 11.3 7.0 1 1000 335 325 3 1.7 -2.5 | 247 13 12.4 5.3 2 925 948 360 7 -0.0 -7.0 | 266 11 10.7 0.8 3 850 1613 30 13 -6.5 -11.3 | 310 5 4.2 -3.5 4 700 3113 20 21 -7.2 -19.7 | 344 12 3.5 -12.0 5 500 5600 30 25 -12.5 -21.7 | 7 14 -1.8 -13.9 6 400 7160 25 23 -9.7 -20.8 | 356 13 1.0 -13.1 7 300 9080 15 27 -7.0 -26.1 | 349 19 3.7 -18.3 8 250 10230 10 31 -5.4 -30.5 | 347 23 5.3 -22.8 9 224 10924 10 35 -6.1 -34.5 | 350 27 4.6 -26.7 10 200 11640 360 36 -0.0 -36.0 | 339 30 10.7 -28.2 11 150 13430 355 27 2.4 -26.9 | 326 23 13.0 -19.1 Wind Parameters Mean winds (0-6000m): 24.0 at 17.6 knts Storm direction: 54.0 at 13.2 knts Shear (0-3000m) pos: 2.1 neg: 1.4 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 105.3 deg Storm rel helicity (0-3000m) pos: 42.4 neg: 0.0 tot: 42.4 m^2/s^2 ave: 14.1 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 2.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.75 Bulk Shear: 34.31 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 ------------------------------------------------------------------------------- 500 330 3 246 13| 3.8 0.0 3.8| 13.0 0.0 13.0 26.0 0.97| 3.9 3.8 1000 350 5 254 12| 3.9 0.0 3.9| 23.6 0.0 23.6 23.6 0.86| 4.3 3.7 1500 7 6 262 10| 4.2 0.0 4.2| 33.0 0.0 33.0 22.0 0.81| 5.0 4.0 2000 16 8 272 8| 3.2 0.7 3.9| 36.8 0.0 36.8 18.4 0.81| 4.5 3.6 2500 19 10 283 8| 2.5 1.2 3.7| 39.9 0.0 39.9 16.0 0.77| 4.2 3.2 3000 20 12 296 7| 2.1 1.4 3.6| 42.4 0.0 42.4 14.1 0.71| 4.0 2.8 4000 20 14 314 8| 1.8 1.1 2.9| 49.5 0.0 49.5 12.4 0.73| 3.3 2.4 5000 22 16 327 8| 1.7 0.9 2.5| 57.2 0.0 57.2 11.4 0.75| 2.9 2.1 6000 24 18 337 9| 1.5 0.7 2.2| 61.3 -2.9 58.4 9.7 0.71| 2.6 1.8 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251015.00.gif