UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101312.upa.cvt Date: 1200Z 13 OCT 25 Searching for U8661... Searching the city database file for: U8661 ... Date:1200Z 13 OCT 25 Station: U8661 WMO ident: 28661 Latitude: 55.47 Longitude: 65.40 ------------------------------------------------------------------------------- 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 1023 75 2.6 -8.4 44 11.0 -1.1 90 5 274.0 274.3 270.8 279.5 1.98 1 1000 258 0.2 -10.8 43 11.0 -3.2 115 15 273.4 273.6 269.9 278.0 1.67 2 925 876 -5.7 -13.7 53 8.0 -7.9 145 15 273.5 273.7 269.6 277.5 1.43 3 909 1012 -7.3 -14.3 57 7.0 -9.1 151 15 273.2 273.4 269.4 277.1 1.39 4 905 1047 -7.1 -14.1 57 7.0 -8.9 153 15 273.8 274.0 269.8 277.8 1.42 5 891 1169 -4.3 -13.3 49 9.0 -6.9 158 15 277.9 278.1 272.5 282.3 1.54 6 850 1540 -4.3 -26.3 16 22.0 -8.9 175 15 281.6 281.7 273.1 283.3 0.52 7 830 1727 -4.1 -30.1 11 26.0 -9.1 173 14 283.8 283.8 274.0 285.0 0.38 8 815 1871 -4.1 -28.1 13 24.0 -9.1 171 14 285.3 285.3 274.9 286.7 0.46 9 753 2492 -6.1 -32.1 11 26.0 -10.9 163 11 289.6 289.7 277.0 290.7 0.34 10 700 3059 -9.7 -32.7 13 23.0 -13.7 155 9 291.7 291.8 278.1 292.9 0.35 11 507 5479 -24.1 -50.1 7 26.0 -26.2 304 9 302.5 302.5 282.5 302.7 0.08 12 500 5580 -24.5 -49.5 8 25.0 -26.6 310 9 303.2 303.2 282.8 303.5 0.08 13 400 7170 -36.5 -57.5 10 21.0 -37.4 285 9 307.6 307.6 284.4 307.7 0.04 14 342 8235 -44.7 -62.7 12 18.0 -45.2 280 9 310.5 310.5 285.5 310.6 0.02 15 300 9100 -50.5 -65.5 15 15.0 -50.8 275 9 314.2 314.2 286.8 314.2 0.02 16 253 10194 -57.3 -70.3 18 13.0 -57.5 310 13 319.8 319.8 288.7 319.8 0.01 17 250 10270 -56.9 -69.9 18 13.0 -57.1 305 13 321.5 321.5 289.2 321.5 0.01 18 248 10321 -56.3 -69.3 18 13.0 -56.5 304 13 323.1 323.1 289.7 323.2 0.01 19 216 11199 -55.9 -67.9 21 12.0 -56.1 295 21 336.7 336.8 293.5 336.8 0.02 20 211 11348 -54.9 -66.9 21 12.0 -55.1 294 22 340.6 340.6 294.5 340.7 0.02 21 200 11690 -54.7 -66.7 21 12.0 -54.9 290 25 346.1 346.1 295.8 346.2 0.02 22 150 13520 -55.5 -69.5 16 14.0 -55.8 300 31 374.5 374.5 301.4 374.6 0.02 23 103 15895 -58.3 -75.3 10 17.0 -58.6 300 31 411.6 411.6 306.7 411.7 0.01 24 101 16018 -58.7 -75.7 9 17.0 -59.0 300 31 413.1 413.1 306.9 413.2 0.01 25 100 16080 -58.3 -75.3 10 17.0 -58.6 300 31 415.1 415.1 307.2 415.2 0.01 26 89 16814 -59.5 -76.5 9 17.0 -59.8 297 30 426.8 426.8 308.5 426.8 0.01 27 70 18320 -59.7 -77.7 8 18.0 -60.1 290 29 456.7 456.7 311.5 456.7 0.01 28 50 20420 -59.9 -78.9 7 19.0 -60.4 295 29 502.3 502.3 315.1 502.4 0.02 29 38 22129 -60.7 -79.7 6 19.0 -61.3 295 30 541.3 541.3 317.6 541.4 0.02 30 30 23610 -57.5 -77.5 6 20.0 -58.6 295 31 587.9 587.9 320.0 588.1 0.03 31 20 26160 -57.1 -77.1 6 20.0 -58.8 300 21 661.4 661.4 323.1 661.8 0.05 32 19 26486 -55.9 -76.9 6 21.0 -57.9 674.9 674.9 323.6 675.4 0.06 33 13 28926 -51.3 -73.3 6 22.0 -55.3 768.2 768.3 326.5 769.6 0.15 34 12 29444 -52.9 -74.9 5 22.0 -56.6 780.3 780.4 326.8 781.5 0.12 35 11 30009 -49.9 -72.9 5 23.0 -54.9 810.9 811.0 327.5 812.7 0.18 TRP 253 10194 -57.3 -70.3 18 13.0 -57.5 310 13 319.8 319.8 288.7 319.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5322.00 m Freezing level: 997.46 mb = 278.95 m = 915.18 ft Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 19.79 % Est. max temperature: 8.17 C = 46.71 F Sfc-Lift cond lev (LCL): 861.85 mb = 1430.94 m = 4694.62 ft T: -4.30 C 700-500 lapse rate: 5.87 C/km ThetaE index: 2.35 C Layer 1000.0- 905.0 mb Conv cond level (CCL): 583.14 mb = 4429.09 m = 14530.96 ft Mean mixing ratio: 1.61 g/kg Conv temperature: 26.67 C = 80.00 F Cap Strength: 20.53 C Lifted Index: 21.01 C Risk: None Lifted Index @300 mb: 25.65 C Lifted Index @700 mb: 14.48 C Showalter Index: 16.85 C Risk: None Total Totals Index: 18.40 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: -1.80 C K Index: -29.10 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 4.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.83 J/kg Max Up Vert Vel: 1.92 m/s Conv Inhibition (B-): 67863.18 J/kg Cap Strength: 20.73 C Lift Cond Lev (LCL): 833.41 mb = 1695.17 m = 5561.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 197 at 8 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 1023 75 90 5 -5.0 0.0 | 43 11 -7.4 -7.9 1 1000 258 115 15 -13.6 6.3 | 84 16 -16.0 -1.6 2 925 876 145 15 -8.6 12.3 | 112 12 -11.0 4.4 3 850 1540 175 15 -1.3 14.9 | 152 8 -3.7 7.0 4 700 3059 155 9 -3.8 8.2 | 92 6 -6.2 0.2 5 500 5580 310 9 6.9 -5.8 | 342 14 4.5 -13.7 6 400 7170 285 9 8.7 -2.3 | 328 12 6.3 -10.3 7 300 9100 275 9 9.0 -0.8 | 323 11 6.6 -8.7 8 253 10194 310 13 10.0 -8.4 | 335 18 7.6 -16.3 9 250 10270 305 13 10.6 -7.5 | 332 17 8.3 -15.4 10 200 11690 290 25 23.5 -8.6 | 308 27 21.1 -16.5 11 150 13520 300 31 26.8 -15.5 | 314 34 24.5 -23.4 12 100 16080 300 31 26.8 -15.5 | 314 34 24.5 -23.4 13 70 18320 290 29 27.3 -9.9 | 306 31 24.9 -17.8 14 50 20420 295 29 26.3 -12.3 | 310 31 23.9 -20.2 15 30 23610 295 31 28.1 -13.1 | 309 33 25.7 -21.0 16 20 26160 300 21 18.2 -10.5 | 319 24 15.8 -18.4 Wind Parameters Mean winds (0-6000m): 166.7 at 11.0 knts Storm direction: 196.7 at 8.3 knts Shear (0-3000m) pos: 2.6 neg: 1.2 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 49.9 deg Storm rel helicity (0-3000m) pos: 74.7 neg: -12.1 tot: 62.6 m^2/s^2 ave: 20.9 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.14 Bulk Shear: 13.23 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 ------------------------------------------------------------------------------- 500 119 13 84 14| 12.0 0.0 12.0| 46.7 0.0 46.7 93.4 0.88| 15.3 13.4 1000 131 14 96 13| 7.0 0.0 7.0| 63.4 0.0 63.4 63.4 0.87| 10.8 9.4 1500 143 14 108 12| 5.2 0.0 5.2| 74.7 0.0 74.7 49.8 0.87| 9.1 7.8 2000 150 14 115 10| 3.9 0.7 4.6| 74.7 -4.6 70.2 35.1 0.71| 7.5 5.3 2500 153 14 117 10| 3.1 1.0 4.1| 74.7 -8.6 66.1 26.4 0.58| 6.5 3.7 3000 155 13 116 9| 2.6 1.2 3.8| 74.7 -12.1 62.6 20.9 0.48| 5.8 2.8 4000 160 12 118 7| 2.4 0.9 3.3| 77.8 -12.1 65.7 16.4 0.49| 5.6 2.8 5000 165 11 121 6| 1.7 0.7 2.5| 88.3 -12.1 76.1 15.2 0.50| 5.5 2.7 6000 167 11 120 6| 1.2 0.5 1.7|101.1 -15.8 85.4 14.2 0.50| 5.1 2.5 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251013.12.gif