UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121312.upa.cvt Date: 1200Z 13 DEC 25 Searching for X1873... Searching the city database file for: X1873 ... Date:1200Z 13 DEC 25 Station: X1873 WMO ident: 31873 Latitude: 45.87 Longitude: 133.73 ------------------------------------------------------------------------------- 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 1008 105 -16.3 -22.3 60 6.0 -17.2 0 0 256.3 256.4 255.5 258.0 0.63 1 1000 166 -10.9 -16.9 61 6.0 -12.1 315 1 262.2 262.4 261.0 265.0 1.02 2 996 197 -10.9 -16.9 61 6.0 -12.1 314 2 262.6 262.7 261.3 265.3 1.02 3 925 762 -12.9 -24.9 36 12.0 -14.9 290 17 266.1 266.2 263.0 267.7 0.55 4 883 1115 -14.1 -28.1 30 14.0 -16.2 276 19 268.4 268.5 264.4 269.7 0.43 5 850 1403 -16.3 -30.3 29 14.0 -18.1 265 21 269.1 269.1 264.7 270.1 0.36 6 843 1465 -16.7 -30.7 29 14.0 -18.5 265 22 269.3 269.3 264.8 270.3 0.35 7 804 1822 -15.1 -26.1 39 11.0 -16.9 262 24 274.7 274.8 268.9 276.3 0.57 8 700 2861 -18.7 -37.7 17 19.0 -20.8 255 33 281.8 281.8 272.6 282.5 0.21 9 660 3297 -20.9 -42.9 12 22.0 -22.9 255 34 284.1 284.1 273.8 284.5 0.13 10 622 3732 -23.5 -46.5 10 23.0 -25.3 255 34 286.0 286.0 274.7 286.3 0.09 11 566 4414 -28.7 -37.7 42 9.0 -29.5 255 35 287.7 287.7 275.9 288.5 0.26 12 500 5290 -34.5 -41.5 49 7.0 -35.0 255 36 291.0 291.0 277.5 291.6 0.20 13 497 5332 -35.1 -42.1 49 7.0 -35.5 255 36 290.7 290.8 277.3 291.4 0.19 14 458 5899 -37.3 -43.3 54 6.0 -37.7 255 39 294.9 294.9 279.3 295.5 0.18 15 445 6097 -38.3 -44.3 53 6.0 -38.7 255 40 296.0 296.1 279.8 296.6 0.17 16 400 6820 -44.9 -50.9 51 6.0 -45.1 255 44 296.6 296.7 280.0 297.0 0.09 17 336 7959 -54.5 -59.5 54 5.0 -54.6 255 48 298.7 298.7 280.8 298.8 0.04 18 314 8390 -56.7 -62.7 47 6.0 -56.8 255 50 301.5 301.5 282.0 301.6 0.03 19 304 8596 -55.1 -60.1 54 5.0 -55.2 259 51 306.5 306.5 284.1 306.7 0.04 20 300 8680 -55.3 -61.3 47 6.0 -55.4 260 52 307.4 307.4 284.4 307.5 0.03 21 250 9840 -57.7 -63.7 46 6.0 -57.8 255 75 320.3 320.3 288.9 320.4 0.03 22 248 9890 -57.4 -63.4 46 6.0 -57.5 255 77 321.5 321.5 289.2 321.6 0.03 23 234 10257 -55.3 -61.3 47 6.0 -55.4 255 75 330.0 330.0 291.7 330.2 0.04 24 201 11219 -57.1 -63.1 46 6.0 -57.2 255 71 341.9 341.9 294.8 342.0 0.04 25 200 11250 -57.1 -63.1 46 6.0 -57.2 255 71 342.3 342.3 294.9 342.5 0.04 26 185 11746 -54.3 -61.3 42 7.0 -54.5 255 72 354.6 354.6 297.7 354.8 0.05 27 150 13090 -54.5 -62.5 37 8.0 -54.8 255 73 376.2 376.2 301.6 376.4 0.06 28 126 14203 -54.9 -63.9 32 9.0 -55.2 255 68 394.7 394.7 304.5 395.0 0.06 29 107 15259 -49.5 -60.5 26 11.0 -50.2 255 64 423.8 423.8 308.2 424.3 0.10 30 100 15700 -50.9 -61.9 26 11.0 -51.5 255 62 429.4 429.4 308.8 429.9 0.09 31 85 16758 -52.3 -64.3 22 12.0 -52.9 250 62 447.0 447.0 310.6 447.4 0.08 32 74 17664 -48.5 -62.5 18 14.0 -49.7 247 62 473.0 473.1 313.0 473.7 0.12 33 70 18030 -48.9 -62.9 18 14.0 -50.1 245 62 479.8 479.8 313.5 480.5 0.12 34 67 18319 -49.3 -63.3 18 14.0 -50.5 243 59 485.0 485.0 313.9 485.6 0.11 35 60 19054 -44.1 -60.1 15 16.0 -46.2 238 52 512.1 512.2 315.9 513.4 0.19 36 50 20270 -48.5 -65.5 12 17.0 -50.3 230 40 529.2 529.2 316.9 529.9 0.11 37 45 20963 -48.1 -66.1 11 18.0 -50.1 229 36 546.3 546.4 317.9 547.1 0.12 38 38 22062 -53.3 -71.3 9 18.0 -54.7 227 29 560.2 560.2 318.7 560.6 0.07 39 35 22597 -48.5 -67.5 9 19.0 -50.9 227 25 586.0 586.1 320.0 586.9 0.12 40 31 23387 -52.5 -70.5 10 18.0 -54.3 225 20 595.9 595.9 320.5 596.6 0.09 41 30 23600 -50.7 -69.7 9 19.0 -52.9 225 19 606.4 606.5 320.9 607.2 0.11 42 29 23822 -49.1 -69.1 8 20.0 -51.7 616.7 616.8 321.4 617.7 0.12 43 26 24531 -53.7 -72.7 8 19.0 -55.6 623.2 623.3 321.6 623.8 0.08 44 21 25897 -55.9 -74.9 8 19.0 -57.7 655.9 655.9 322.9 656.4 0.07 TRP 314 8390 -56.7 -62.7 47 6.0 -56.8 255 50 301.5 301.5 282.0 301.6 0.03 WND 248 9890 -57.4 -63.4 46 6.0 -57.5 255 77 321.5 321.5 289.2 321.6 0.03 Sounding variables and indices 1000-500 mb thick: 5124.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 31.68 % Est. max temperature: -3.62 C = 25.48 F Sfc-Lift cond lev (LCL): 913.77 mb = 854.90 m = 2804.77 ft T: -13.22 C 700-500 lapse rate: 6.50 C/km Conv cond level (CCL): 590.17 mb = 4111.73 m = 13489.76 ft Mean mixing ratio: 0.75 g/kg Conv temperature: 14.43 C = 57.97 F Cap Strength: 18.33 C Lifted Index: 20.29 C Risk: None Lifted Index @300 mb: 29.06 C Lifted Index @700 mb: 14.77 C Showalter Index: 17.28 C Risk: None Total Totals Index: 22.40 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: 4.20 C K Index: -31.10 Risk: None Sweat Index: 78.00 Risk: None Energy Index: 4.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.64 J/kg Max Up Vert Vel: 5.22 m/s Conv Inhibition (B-): 54975.39 J/kg Cap Strength: 20.01 C Lift Cond Lev (LCL): 829.85 mb = 1583.50 m = 5195.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 288 at 22 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 1008 105 0 0 -0.0 -0.0 | 108 22 -20.5 6.8 1 1000 166 315 1 0.7 -0.7 | 107 21 -19.8 6.1 2 925 762 290 17 16.0 -5.8 | 102 5 -4.6 1.0 3 850 1403 265 21 20.9 1.8 | 183 9 0.4 8.6 4 700 2861 255 33 31.9 8.5 | 217 19 11.3 15.3 5 500 5290 255 36 34.8 9.3 | 221 22 14.2 16.1 6 400 6820 255 44 42.5 11.4 | 230 29 22.0 18.2 7 314 8390 255 50 48.3 12.9 | 235 34 27.8 19.7 8 300 8680 260 52 51.2 9.0 | 243 35 30.7 15.8 9 250 9840 255 75 72.4 19.4 | 243 58 51.9 26.2 10 248 9890 255 77 74.4 19.9 | 244 60 53.9 26.7 11 200 11250 255 71 68.6 18.4 | 242 54 48.1 25.2 12 150 13090 255 73 70.5 18.9 | 243 56 50.0 25.7 13 100 15700 255 62 59.9 16.0 | 240 46 39.4 22.8 14 70 18030 245 62 56.2 26.2 | 227 49 35.7 33.0 15 50 20270 230 40 30.6 25.7 | 197 34 10.1 32.5 16 30 23600 225 19 13.4 13.4 | 161 21 -7.1 20.2 Wind Parameters Mean winds (0-6000m): 258.3 at 28.8 knts Storm direction: 288.3 at 21.6 knts Shear (0-3000m) pos: 0.0 neg: 5.7 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 108.8 deg Storm rel helicity (0-3000m) pos: 32.6 neg: -15.3 tot: 17.2 m^2/s^2 ave: 5.7 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.17 Bulk Shear: 79.04 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 ------------------------------------------------------------------------------- 500 298 6 105 16| 0.0 13.2 13.2| 0.0 -15.3 -15.3 -30.7 -0.26| 13.4 -3.5 1000 287 12 110 10| 0.0 9.8 9.8| 6.0 -15.3 -9.4 -9.4 0.08| 11.4 0.9 1500 278 15 129 8| 0.0 7.8 7.8| 13.3 -15.3 -2.1 -1.4 0.19| 9.8 1.9 2000 272 17 151 7| 0.0 6.9 6.9| 21.6 -15.3 6.3 3.1 0.25| 8.4 2.1 2500 267 20 172 8| 0.0 6.4 6.4| 28.7 -15.3 13.4 5.3 0.27| 7.7 2.1 3000 264 22 186 9| 0.0 5.7 5.7| 32.6 -15.3 17.2 5.7 0.27| 6.8 1.9 4000 261 25 200 11| 0.0 4.4 4.4| 36.5 -15.3 21.1 5.3 0.28| 5.3 1.5 5000 259 27 207 13| 0.0 3.7 3.7| 40.3 -15.3 25.0 5.0 0.29| 4.4 1.3 6000 258 29 211 15| 0.0 3.5 3.5| 54.4 -15.3 39.1 6.5 0.31| 4.0 1.3 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20251213.12.gif