UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for X1977... Searching the city database file for: X1977 ... Date:1200Z 9 DEC 25 Station: X1977 WMO ident: 31977 Latitude: 43.27 Longitude: 132.05 ------------------------------------------------------------------------------- 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 1015 84 -7.1 -19.1 38 12.0 -9.6 45 5 264.9 265.1 262.7 267.2 0.83 1 1009 130 -6.3 -17.3 41 11.0 -8.8 41 7 266.2 266.3 263.9 268.9 0.97 2 1000 200 -6.3 -18.3 38 12.0 -8.9 35 9 266.9 267.0 264.2 269.4 0.90 3 925 810 -10.5 -22.5 37 12.0 -12.8 340 19 268.6 268.7 265.0 270.5 0.68 4 850 1454 -15.3 -22.3 55 7.0 -16.5 310 21 270.1 270.2 266.2 272.3 0.75 5 801 1899 -19.1 -23.9 66 4.8 -19.8 308 26 270.7 270.8 266.5 272.7 0.69 6 778 2115 -20.7 -26.7 59 6.0 -21.5 308 28 271.2 271.3 266.6 272.9 0.55 7 768 2211 -19.5 -27.5 49 8.0 -20.6 307 29 273.5 273.6 268.1 275.1 0.52 8 733 2556 -21.3 -33.3 33 12.0 -22.7 306 32 275.2 275.3 268.8 276.2 0.31 9 719 2698 -22.1 -35.1 30 13.0 -23.5 306 34 275.9 275.9 269.1 276.7 0.27 10 714 2749 -21.5 -34.5 30 13.0 -22.9 306 34 277.1 277.2 269.9 278.0 0.29 11 700 2895 -22.3 -36.3 27 14.0 -23.7 305 36 277.8 277.8 270.2 278.6 0.24 12 696 2937 -22.5 -36.5 27 14.0 -23.9 305 37 278.0 278.1 270.4 278.8 0.24 13 687 3033 -21.9 -36.9 24 15.0 -23.5 304 38 279.7 279.8 271.4 280.5 0.23 14 604 3975 -25.3 -47.3 11 22.0 -26.9 301 54 286.3 286.3 274.9 286.6 0.09 15 592 4120 -25.7 -46.7 12 21.0 -27.3 300 56 287.5 287.5 275.5 287.8 0.10 16 546 4702 -29.9 -45.9 20 16.0 -31.0 298 66 289.2 289.2 276.5 289.6 0.11 17 513 5147 -29.3 -43.3 25 14.0 -30.4 296 74 295.1 295.2 279.4 295.7 0.16 18 500 5330 -30.3 -44.3 24 14.0 -31.4 295 77 296.1 296.1 279.8 296.6 0.15 19 412 6686 -37.1 -50.1 25 13.0 -37.8 291 86 304.2 304.2 283.2 304.5 0.09 20 400 6890 -38.7 -51.7 24 13.0 -39.3 290 87 304.7 304.7 283.4 305.0 0.08 21 371 7400 -43.3 -55.3 25 12.0 -43.7 290 91 305.2 305.2 283.5 305.4 0.06 22 336 8060 -47.3 -58.5 27 11.2 -47.6 290 97 308.5 308.5 284.8 308.7 0.04 23 328 8219 -48.3 -59.3 27 11.0 -48.6 289 97 309.3 309.3 285.1 309.4 0.04 24 305 8693 -51.5 -62.5 26 11.0 -51.7 286 95 311.3 311.3 285.8 311.4 0.03 25 300 8800 -51.7 -62.7 26 11.0 -51.9 285 95 312.5 312.5 286.2 312.6 0.03 26 281 9224 -52.5 -63.5 25 11.0 -52.7 283 93 317.2 317.2 287.9 317.3 0.03 27 274 9386 -55.1 -65.1 28 10.0 -55.2 283 92 315.8 315.8 287.3 315.8 0.02 28 250 9970 -56.7 -67.7 24 11.0 -56.8 280 89 321.8 321.8 289.3 321.8 0.02 29 240 10228 -58.1 -69.1 23 11.0 -58.2 280 89 323.4 323.4 289.8 323.5 0.01 30 212 11016 -54.5 -65.5 25 11.0 -54.7 280 84 340.7 340.7 294.5 340.9 0.03 31 200 11390 -54.1 -65.1 25 11.0 -54.4 280 81 347.1 347.1 296.0 347.2 0.03 32 150 13240 -51.3 -65.3 17 14.0 -51.8 280 73 381.7 381.7 302.5 381.9 0.04 33 132 14072 -49.9 -64.9 16 15.0 -50.5 280 68 398.4 398.4 305.0 398.6 0.05 34 100 15880 -51.1 -68.1 11 17.0 -51.8 280 58 429.0 429.0 308.7 429.2 0.04 35 79 17416 -50.7 -69.7 9 19.0 -51.7 273 53 459.7 459.7 311.8 460.0 0.04 36 70 18200 -53.7 -72.7 8 19.0 -54.5 270 50 469.5 469.5 312.6 469.7 0.03 37 66 18576 -54.5 -73.5 8 19.0 -55.3 268 49 475.7 475.7 313.1 475.9 0.03 38 56 19627 -53.3 -73.3 7 20.0 -54.4 263 45 501.4 501.4 315.1 501.6 0.03 39 50 20350 -55.5 -75.5 7 20.0 -56.4 260 42 512.7 512.7 315.8 512.9 0.03 40 42 21458 -58.3 -78.3 6 20.0 -59.1 263 38 532.0 532.0 317.1 532.1 0.02 41 34 22816 -50.3 -71.3 7 21.0 -52.4 268 34 586.2 586.2 320.0 586.7 0.07 42 30 23630 -52.7 -73.7 6 21.0 -54.6 270 31 601.0 601.0 320.7 601.4 0.06 43 29 23848 -53.7 -74.7 6 21.0 -55.5 270 31 604.1 604.1 320.8 604.5 0.05 44 21 25957 -46.1 -69.1 6 23.0 -50.4 274 27 685.4 685.5 324.0 686.8 0.17 45 20 26280 -47.7 -69.7 6 22.0 -51.7 275 27 690.2 690.2 324.1 691.5 0.16 46 19 26615 -47.5 -69.5 6 22.0 -51.7 701.0 701.1 324.5 702.5 0.17 47 16 27713 -57.9 -78.9 5 21.0 -59.8 702.4 702.4 324.5 702.8 0.05 48 15 28116 -57.7 -78.7 5 21.0 -59.7 716.1 716.1 325.0 716.6 0.05 49 14 28551 -53.5 -75.5 5 22.0 -56.6 744.6 744.7 325.8 745.5 0.10 50 11 30087 -54.7 -76.7 5 22.0 -58.1 793.4 793.5 327.1 794.4 0.10 51 11 30087 -53.9 -75.9 5 22.0 -57.5 796.3 796.4 327.2 797.5 0.12 52 10 30700 -50.3 -73.3 5 23.0 -55.4 831.8 831.9 328.0 833.7 0.19 TRP 240 10228 -58.1 -69.1 23 11.0 -58.2 280 89 323.4 323.4 289.8 323.5 0.01 WND 336 8060 -47.3 -58.5 27 11.2 -47.6 290 97 308.5 308.5 284.8 308.7 0.04 Sounding variables and indices 1000-500 mb thick: 5130.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 32.55 % Est. max temperature: -2.19 C = 28.05 F Sfc-Lift cond lev (LCL): 837.58 mb = 1564.33 m = 5132.25 ft T: -16.24 C 700-500 lapse rate: 3.29 C/km Conv cond level (CCL): 594.25 mb = 4092.78 m = 13427.58 ft Mean mixing ratio: 0.80 g/kg Conv temperature: 15.32 C = 59.58 F Cap Strength: 21.07 C Lifted Index: 21.71 C Risk: None Lifted Index @300 mb: 30.19 C Lifted Index @700 mb: 8.32 C Showalter Index: 19.72 C Risk: None Total Totals Index: 23.00 C Risk: None Vertical Totals Index: 15.00 C Cross Totals Index: 8.00 C K Index: -21.30 Risk: None Sweat Index: 119.00 Risk: None Energy Index: 5.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.25 J/kg Max Up Vert Vel: 3.54 m/s Conv Inhibition (B-): 66851.55 J/kg Cap Strength: 21.35 C Lift Cond Lev (LCL): 797.39 mb = 1932.42 m = 6339.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 331 at 33 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 1015 84 45 5 -3.5 -3.5 | 143 32 -19.3 25.3 1 1000 200 35 9 -5.2 -7.4 | 136 30 -21.0 21.5 2 925 810 340 19 6.5 -17.9 | 140 14 -9.3 11.0 3 850 1454 310 21 16.1 -13.5 | 181 15 0.3 15.3 4 700 2895 305 36 29.5 -20.6 | 239 16 13.7 8.2 5 500 5330 295 77 69.8 -32.5 | 274 54 54.0 -3.7 6 400 6890 290 87 81.8 -29.8 | 271 66 66.0 -0.9 7 336 8060 290 97 91.2 -33.2 | 273 75 75.4 -4.3 8 300 8800 285 95 91.8 -24.6 | 267 76 76.0 4.3 9 250 9970 280 89 87.6 -15.5 | 259 73 71.9 13.4 10 240 10228 280 89 87.6 -15.5 | 259 73 71.9 13.4 11 200 11390 280 81 79.8 -14.1 | 257 66 64.0 14.8 12 150 13240 280 73 71.9 -12.7 | 254 58 56.1 16.2 13 100 15880 280 58 57.1 -10.1 | 246 45 41.3 18.8 14 70 18200 270 50 50.0 -0.0 | 230 45 34.2 28.8 15 50 20350 260 42 41.4 7.3 | 215 44 25.6 36.1 16 30 23630 270 31 31.0 -0.0 | 208 33 15.2 28.8 17 20 26280 275 27 26.9 -2.4 | 203 29 11.1 26.5 Wind Parameters Mean winds (0-6000m): 301.3 at 43.8 knts Storm direction: 331.3 at 32.9 knts Shear (0-3000m) pos: 0.0 neg: 6.9 tot: 6.9 10-3/s Storm rel Dir Shear (0-3000m): 105.1 deg Storm rel helicity (0-3000m) pos: 112.6 neg: -48.9 tot: 63.7 m^2/s^2 ave: 21.2 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 4.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 238.83 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 17 11 134 26| 0.0 12.6 12.6| 0.0 -48.9 -48.9 -97.7 -0.45| 14.2 -6.4 1000 350 15 137 20| 0.0 10.0 10.0| 27.2 -48.9 -21.7 -21.7 0.03| 13.0 0.3 1500 335 17 147 16| 0.0 8.0 8.0| 52.8 -48.9 3.9 2.6 0.23| 11.2 2.6 2000 326 19 159 14| 0.0 7.4 7.4| 71.2 -48.9 22.4 11.2 0.33| 9.8 3.2 2500 320 21 171 13| 0.0 7.0 7.0| 89.8 -48.9 41.0 16.4 0.41| 8.9 3.7 3000 316 24 183 12| 0.0 6.9 6.9|112.6 -48.9 63.7 21.2 0.47| 8.5 4.0 4000 310 29 214 12| 0.0 7.4 7.4|166.4 -48.9 117.5 29.4 0.47| 8.6 4.1 5000 305 37 241 16| 0.0 7.7 7.7|201.1 -48.9 152.2 30.4 0.41| 8.7 3.6 6000 301 44 254 23| 0.0 7.2 7.2|204.6 -69.9 134.8 22.5 0.36| 8.1 2.9 Wrote GIF file: /home/apache/climate/data/raob//X1977/skewt/X1977.skewt.20251209.12.gif