UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for X1873... Searching the city database file for: X1873 ... Date:1200Z 1 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 1004 103 -12.7 -16.9 71 4.2 -13.5 250 5 260.2 260.3 259.4 262.9 1.01 1 1000 134 -11.7 -15.0 76 3.3 -12.4 245 7 261.5 261.6 260.7 264.7 1.19 2 974 337 -9.3 -12.9 75 3.6 -10.2 255 12 265.8 266.1 264.5 269.8 1.45 3 925 734 -11.5 -18.5 56 7.0 -12.9 275 21 267.5 267.7 264.8 270.2 0.96 4 850 1377 -14.9 -23.9 46 9.0 -16.4 285 23 270.5 270.6 266.3 272.4 0.65 5 797 1862 -17.3 -27.3 41 10.0 -18.8 288 25 273.0 273.1 267.7 274.5 0.51 6 771 2111 -16.9 -26.9 42 10.0 -18.4 290 26 276.0 276.1 269.7 277.7 0.55 7 700 2832 -19.7 -32.7 31 13.0 -21.4 295 29 280.7 280.7 272.2 281.8 0.35 8 645 3437 -21.5 -37.5 22 16.0 -23.2 295 30 285.3 285.3 274.6 286.0 0.24 9 623 3692 -23.1 -39.1 22 16.0 -24.7 295 31 286.3 286.3 275.1 287.0 0.21 10 506 5195 -29.9 -44.9 22 15.0 -31.0 295 35 295.6 295.6 279.6 296.1 0.14 11 500 5280 -30.5 -45.5 22 15.0 -31.6 295 35 295.9 295.9 279.7 296.3 0.13 12 425 6414 -37.3 -49.3 28 12.0 -37.9 288 36 301.2 301.3 282.0 301.6 0.10 13 400 6830 -38.5 -50.5 27 12.0 -39.1 285 36 305.0 305.0 283.5 305.3 0.09 14 378 7217 -40.1 -51.1 30 11.0 -40.6 275 36 307.8 307.8 284.6 308.2 0.09 15 300 8790 -41.5 -53.5 26 12.0 -42.1 270 56 326.9 326.9 290.9 327.2 0.09 16 279 9282 -42.3 -54.3 26 12.0 -42.9 270 61 332.6 332.6 292.5 332.9 0.09 17 250 10020 -44.7 -56.7 25 12.0 -45.2 270 69 339.6 339.6 294.3 339.9 0.07 18 200 11510 -47.3 -60.3 21 13.0 -47.8 265 77 357.9 357.9 298.3 358.1 0.06 19 158 13052 -49.9 -62.9 20 13.0 -50.4 265 91 378.4 378.4 302.0 378.6 0.05 20 150 13390 -50.5 -63.5 20 13.0 -51.0 265 91 383.1 383.1 302.8 383.3 0.05 21 124 14646 -51.5 -64.5 20 13.0 -52.0 267 89 402.7 402.7 305.6 402.9 0.05 22 100 16060 -51.3 -64.3 20 13.0 -52.0 270 87 428.6 428.6 308.7 429.0 0.07 23 85 17076 -59.5 -75.5 11 16.0 -59.8 259 79 432.4 432.4 309.1 432.5 0.02 24 70 18280 -55.9 -73.9 9 18.0 -56.5 245 69 464.8 464.8 312.2 464.9 0.02 25 68 18464 -55.3 -73.3 9 18.0 -56.0 245 68 470.0 470.0 312.7 470.1 0.03 26 50 20420 -55.7 -73.7 9 18.0 -56.6 240 52 512.2 512.2 315.8 512.4 0.04 27 49 20549 -55.5 -73.5 9 18.0 -56.4 240 53 515.7 515.7 316.0 515.9 0.04 28 42 21525 -60.3 -77.3 9 17.0 -60.9 242 65 527.0 527.0 316.8 527.2 0.02 29 38 22152 -60.3 -78.3 8 18.0 -61.0 243 72 542.3 542.3 317.6 542.5 0.02 30 31 23470 -45.3 -65.3 9 20.0 -48.7 245 87 615.3 615.4 321.3 616.8 0.19 31 30 23690 -44.5 -64.5 9 20.0 -48.2 245 89 623.3 623.4 321.7 625.0 0.22 32 28 24153 -41.7 -61.7 10 20.0 -46.4 244 87 643.5 643.7 322.6 646.2 0.34 33 24 25193 -42.1 -63.1 8 21.0 -47.2 242 83 671.4 671.5 323.6 674.1 0.33 34 20 26410 -46.9 -67.9 7 21.0 -51.0 240 79 692.6 692.7 324.3 694.4 0.21 35 18 27115 -42.3 -64.3 7 22.0 -48.4 728.3 728.5 325.4 731.7 0.37 36 16 27911 -42.5 -64.5 7 22.0 -48.9 752.6 752.8 326.1 756.5 0.41 37 15 28352 -37.5 -60.5 7 23.0 -46.3 783.3 783.6 327.0 790.5 0.74 38 13 29335 -39.9 -62.9 7 23.0 -48.2 807.7 808.0 327.6 814.0 0.62 39 12 29877 -43.9 -65.9 7 22.0 -50.8 812.2 812.4 327.7 816.8 0.45 40 11 30463 -42.7 -65.7 6 23.0 -50.5 837.0 837.3 328.2 842.3 0.51 TRP 378 7217 -40.1 -51.1 30 11.0 -40.6 275 36 307.8 307.8 284.6 308.2 0.09 WND 158 13052 -49.9 -62.9 20 13.0 -50.4 265 91 378.4 378.4 302.0 378.6 0.05 Sounding variables and indices 1000-500 mb thick: 5146.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 36.43 % Est. max temperature: -2.47 C = 27.55 F Sfc-Lift cond lev (LCL): 937.98 mb = 626.71 m = 2056.10 ft T: -10.91 C 700-500 lapse rate: 4.41 C/km ThetaE index: 0.00 C Layer 1004.0--1821066112.0 mb Conv cond level (CCL): 708.60 mb = 2740.85 m = 8992.19 ft Mean mixing ratio: 1.17 g/kg Conv temperature: 7.25 C = 45.05 F Cap Strength: 21.88 C Lifted Index: 22.01 C Risk: None Lifted Index @300 mb: 40.86 C Lifted Index @700 mb: 11.45 C Showalter Index: 19.40 C Risk: None Total Totals Index: 22.20 C Risk: None Vertical Totals Index: 15.60 C Cross Totals Index: 6.60 C K Index: -21.30 Risk: None Sweat Index: 81.00 Risk: None Energy Index: 5.05 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.60 J/kg Max Up Vert Vel: 6.87 m/s Conv Inhibition (B-): 67735.62 J/kg Cap Strength: 21.70 C Lift Cond Lev (LCL): 878.75 mb = 1124.09 m = 3687.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 321 at 21 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 1004 103 250 5 4.7 1.7 | 155 20 -8.6 18.1 1 1000 134 245 7 6.3 3.0 | 160 21 -6.9 19.4 2 925 734 275 21 20.9 -1.8 | 208 16 7.7 14.6 3 850 1377 285 23 22.2 -6.0 | 221 14 9.0 10.4 4 700 2832 295 29 26.3 -12.3 | 252 14 13.0 4.1 5 500 5280 295 35 31.7 -14.8 | 265 19 18.5 1.6 6 400 6830 285 36 34.8 -9.3 | 252 23 21.5 7.1 7 378 7217 275 36 35.9 -3.1 | 240 26 22.6 13.3 8 300 8790 270 56 56.0 -0.0 | 249 46 42.7 16.4 9 250 10020 270 69 69.0 -0.0 | 254 58 55.7 16.4 10 200 11510 265 77 76.7 6.7 | 250 68 63.5 23.1 11 158 13052 265 91 90.7 7.9 | 253 81 77.4 24.3 12 150 13390 265 91 90.7 7.9 | 253 81 77.4 24.3 13 100 16060 270 87 87.0 -0.0 | 257 76 73.7 16.4 14 70 18280 245 69 62.5 29.2 | 227 67 49.3 45.6 15 50 20420 240 52 45.0 26.0 | 217 53 31.8 42.4 16 30 23690 245 89 80.7 37.6 | 231 86 67.4 54.0 17 20 26410 240 79 68.4 39.5 | 225 79 55.2 55.9 Wind Parameters Mean winds (0-6000m): 291.1 at 28.1 knts Storm direction: 321.1 at 21.1 knts Shear (0-3000m) pos: 4.5 neg: 0.0 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 99.5 deg Storm rel helicity (0-3000m) pos: 127.9 neg: 0.0 tot: 127.9 m^2/s^2 ave: 42.6 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 4.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.52 Bulk Shear: 45.70 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 ------------------------------------------------------------------------------- 500 261 12 176 18| 13.7 0.0 13.7| 69.6 0.0 69.6 139.3 0.97| 14.5 14.1 1000 272 17 192 16| 9.3 0.0 9.3| 93.7 0.0 93.7 93.7 0.95| 10.4 9.9 1500 277 19 201 15| 6.9 0.0 6.9|103.4 0.0 103.4 68.9 0.94| 8.0 7.5 2000 281 20 208 14| 5.8 0.0 5.8|112.5 0.0 112.5 56.3 0.94| 6.6 6.3 2500 284 22 215 14| 5.1 0.0 5.1|121.9 0.0 121.9 48.7 0.95| 5.9 5.6 3000 286 23 221 13| 4.5 0.0 4.5|127.9 0.0 127.9 42.6 0.95| 5.2 4.9 4000 289 25 231 13| 3.4 0.3 3.7|133.9 0.0 133.9 33.5 0.92| 4.2 3.9 5000 291 27 239 14| 2.7 0.5 3.2|139.9 0.0 139.9 28.0 0.89| 3.6 3.2 6000 291 28 244 14| 2.3 0.6 2.8|140.6 -12.7 127.8 21.3 0.75| 3.3 2.5 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20251201.12.gif