UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 1 DEC 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 1016 72 1.8 0.2 89 1.6 1.1 210 3 273.7 274.3 273.5 284.0 3.81 1 1000 200 1.6 -0.4 87 2.0 0.8 245 11 274.8 275.4 273.9 284.8 3.71 2 974 412 1.2 -0.9 86 2.1 0.3 260 15 276.4 277.0 274.8 286.5 3.67 3 925 825 -1.9 -3.9 86 2.0 -2.7 290 23 277.4 277.9 274.5 285.9 3.09 4 886 1166 -4.9 -6.1 91 1.2 -5.3 285 22 277.7 278.2 274.2 285.3 2.73 5 882 1202 -4.5 -5.7 91 1.2 -4.9 284 22 278.5 279.0 274.8 286.4 2.83 6 854 1459 1.6 -7.4 51 9.0 -1.8 281 21 287.4 287.9 279.0 294.9 2.56 7 850 1497 1.4 -8.6 47 10.0 -2.3 280 21 287.6 288.0 278.9 294.5 2.35 8 830 1689 1.6 -14.4 29 16.0 -3.6 278 21 289.8 290.1 278.8 294.4 1.51 9 817 1816 1.8 -18.2 21 20.0 -4.2 277 22 291.3 291.5 279.0 294.8 1.11 10 700 3045 -5.9 -17.9 38 12.0 -9.4 265 25 296.0 296.2 281.4 300.1 1.33 11 578 4519 -14.9 -27.9 32 13.0 -17.5 254 25 302.1 302.2 283.1 304.3 0.67 12 560 4758 -16.5 -28.5 35 12.0 -18.8 252 25 302.9 303.1 283.4 305.1 0.65 13 500 5600 -22.5 -37.5 24 15.0 -24.5 245 25 305.6 305.7 284.1 306.7 0.30 14 416 6916 -32.9 -45.9 26 13.0 -33.8 241 30 308.7 308.8 285.1 309.3 0.15 15 400 7190 -35.3 -48.3 25 13.0 -36.1 240 31 309.1 309.1 285.1 309.6 0.12 16 300 9140 -49.5 -59.5 30 10.0 -49.7 235 33 315.6 315.6 287.3 315.7 0.04 17 250 10310 -57.9 -65.9 35 8.0 -58.0 235 38 320.0 320.0 288.8 320.1 0.02 18 234 10724 -61.1 -68.1 39 7.0 -61.2 234 39 321.2 321.3 289.2 321.3 0.02 19 200 11690 -65.5 -72.5 37 7.0 -65.5 230 42 329.0 329.0 291.5 329.1 0.01 20 185 12161 -67.9 -73.9 42 6.0 -67.9 235 38 332.6 332.6 292.4 332.6 0.01 21 181 12292 -66.7 -72.7 42 6.0 -66.7 238 37 336.6 336.6 293.5 336.7 0.01 22 162 12968 -62.9 -68.9 44 6.0 -63.0 254 32 353.8 353.9 297.5 353.9 0.02 23 150 13440 -63.7 -69.7 44 6.0 -63.8 265 29 360.3 360.3 298.8 360.4 0.02 24 100 15910 -66.5 -73.5 37 7.0 -66.6 260 31 399.2 399.2 305.1 399.3 0.02 25 97 16094 -66.5 -73.5 37 7.0 -66.6 402.7 402.7 305.6 402.8 0.02 26 95 16221 -66.3 -73.3 37 7.0 -66.4 405.5 405.5 305.9 405.6 0.02 TRP 185 12161 -67.9 -73.9 42 6.0 -67.9 235 38 332.6 332.6 292.4 332.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5400.00 m Freezing level: 955.03 mb = 571.93 m = 1876.38 ft Freezing level: 861.34 mb = 1391.65 m = 4565.74 ft Freezing level: 789.65 mb = 2103.37 m = 6900.73 ft Wetbulb zero: 968.87 mb = 454.32 m = 1490.53 ft Precipitable water: 0.37 inches Sfc-500 mean rel hum: 44.95 % Est. max temperature: 11.68 C = 53.03 F Sfc-Lift cond lev (LCL): 990.96 mb = 273.08 m = 895.91 ft T: 1.46 C 700-500 lapse rate: 6.50 C/km ThetaE index: 1.17 C Layer 925.0- 882.0 mb Conv cond level (CCL): 918.30 mb = 882.60 m = 2895.64 ft Mean mixing ratio: 3.49 g/kg Conv temperature: 5.53 C = 41.96 F Cap Strength: 15.77 C Lifted Index: 16.91 C Risk: None Lifted Index @300 mb: 21.14 C Lifted Index @700 mb: 12.60 C Showalter Index: 10.41 C Risk: None Total Totals Index: 37.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 13.90 C K Index: 3.30 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 2.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.69 J/kg Max Up Vert Vel: 5.23 m/s Conv Inhibition (B-): 17290.73 J/kg Cap Strength: 16.82 C Lift Cond Lev (LCL): 935.47 mb = 734.98 m = 2411.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 293 at 17 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 1016 72 210 3 1.5 2.6 | 123 17 -14.4 9.3 1 1000 200 245 11 10.0 4.6 | 152 13 -6.0 11.4 2 925 825 290 23 21.6 -7.9 | 282 6 5.7 -1.2 3 850 1497 280 21 20.7 -3.6 | 237 6 4.7 3.1 4 700 3045 265 25 24.9 2.2 | 225 13 9.0 8.9 5 500 5600 245 25 22.7 10.6 | 201 19 6.7 17.3 6 400 7190 240 31 26.8 15.5 | 206 25 10.9 22.2 7 300 9140 235 33 27.0 18.9 | 203 28 11.1 25.6 8 250 10310 235 38 31.1 21.8 | 208 32 15.2 28.5 9 200 11690 230 42 32.2 27.0 | 206 37 16.2 33.7 10 185 12161 235 38 31.1 21.8 | 208 32 15.2 28.5 11 150 13440 265 29 28.9 2.5 | 235 16 13.0 9.2 12 100 15910 260 31 30.5 5.4 | 230 19 14.6 12.1 Wind Parameters Mean winds (0-6000m): 262.8 at 23.1 knts Storm direction: 292.8 at 17.3 knts Shear (0-3000m) pos: 3.7 neg: 1.6 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 102.1 deg Storm rel helicity (0-3000m) pos: 60.2 neg: -10.7 tot: 49.5 m^2/s^2 ave: 16.5 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.94 Bulk Shear: 14.64 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 ------------------------------------------------------------------------------- 500 258 13 159 10| 17.4 0.0 17.4| 49.6 0.0 49.6 99.2 0.82| 19.5 15.9 1000 278 17 193 4| 11.2 0.0 11.2| 60.2 -1.9 58.3 58.3 0.77| 14.5 11.2 1500 280 19 215 4| 7.5 1.0 8.4| 60.2 -5.9 54.3 36.2 0.61| 10.7 6.5 2000 279 19 221 5| 5.6 1.2 6.8| 60.2 -6.8 53.4 26.7 0.55| 8.6 4.8 2500 277 20 224 6| 4.5 1.4 5.9| 60.2 -8.3 51.8 20.7 0.50| 7.4 3.7 3000 275 21 225 7| 3.7 1.6 5.3| 60.2 -10.7 49.5 16.5 0.45| 6.5 2.9 4000 271 22 223 9| 2.8 1.6 4.4| 60.2 -20.0 40.1 10.0 0.35| 5.3 1.9 5000 267 23 220 10| 2.2 1.6 3.8| 60.2 -30.6 29.5 5.9 0.27| 4.6 1.2 6000 263 23 216 12| 1.9 1.6 3.4| 63.4 -36.5 26.9 4.5 0.24| 4.2 1.0 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251201.00.gif