UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for X1977... Searching the city database file for: X1977 ... Date:0000Z 12 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 1024 91 -14.7 -24.7 42 10.0 -16.1 90 3 256.7 256.8 255.5 258.1 0.50 1 1000 270 -14.9 -26.9 35 12.0 -16.5 60 5 258.2 258.3 256.6 259.4 0.42 2 997 293 -14.9 -26.9 35 12.0 -16.5 56 6 258.5 258.5 256.8 259.7 0.42 3 925 855 -18.5 -30.5 34 12.0 -19.8 325 29 260.4 260.4 258.2 261.3 0.33 4 923 871 -18.7 -30.7 34 12.0 -20.0 325 29 260.3 260.4 258.1 261.3 0.32 5 896 1092 -19.1 -31.1 34 12.0 -20.4 327 33 262.2 262.2 259.5 263.1 0.32 6 875 1269 -17.7 -29.7 34 12.0 -19.2 328 36 265.4 265.5 262.1 266.5 0.37 7 850 1485 -19.1 -32.1 31 13.0 -20.5 330 40 266.1 266.2 262.5 267.0 0.30 8 768 2234 -23.3 -34.3 36 11.0 -24.4 327 40 269.4 269.5 264.8 270.3 0.27 9 700 2912 -23.3 -38.3 24 15.0 -24.7 325 40 276.7 276.7 269.5 277.3 0.20 10 698 2933 -23.3 -39.3 22 16.0 -24.8 325 40 276.9 276.9 269.6 277.5 0.18 11 642 3540 -25.7 -42.7 19 17.0 -27.1 321 46 280.9 280.9 271.9 281.3 0.14 12 558 4546 -29.7 -45.7 20 16.0 -30.8 315 56 287.7 287.7 275.6 288.0 0.11 13 500 5320 -34.3 -50.3 18 16.0 -35.1 310 64 291.2 291.2 277.4 291.5 0.08 14 432 6335 -38.9 -54.9 17 16.0 -39.5 307 76 297.8 297.8 280.4 298.0 0.05 15 400 6860 -42.7 -59.7 14 17.0 -43.2 305 83 299.5 299.5 281.1 299.6 0.03 16 386 7100 -44.3 -61.3 13 17.0 -44.7 304 83 300.5 300.5 281.5 300.6 0.03 17 352 7714 -46.9 -63.9 13 17.0 -47.3 303 84 305.0 305.0 283.4 305.1 0.02 18 342 7904 -48.9 -65.9 12 17.0 -49.2 302 84 304.8 304.8 283.3 304.9 0.02 19 300 8760 -51.5 -68.5 11 17.0 -51.7 300 85 312.8 312.8 286.3 312.8 0.01 20 252 9879 -55.5 -72.5 10 17.0 -55.7 300 103 322.8 322.8 289.6 322.9 0.01 21 250 9930 -55.1 -72.1 10 17.0 -55.3 300 103 324.1 324.2 290.0 324.2 0.01 22 227 10545 -55.3 -72.3 10 17.0 -55.5 296 102 332.9 332.9 292.5 333.0 0.01 23 221 10717 -52.7 -69.7 11 17.0 -53.0 294 102 339.5 339.5 294.2 339.5 0.01 24 200 11360 -53.1 -70.1 11 17.0 -53.4 290 101 348.7 348.7 296.4 348.7 0.02 25 180 12036 -55.5 -72.5 10 17.0 -55.8 290 103 355.4 355.4 297.8 355.5 0.01 26 158 12868 -55.5 -73.2 9 17.7 -55.8 290 106 368.9 368.9 300.4 369.0 0.01 27 150 13200 -55.5 -73.5 9 18.0 -55.8 290 103 374.5 374.5 301.4 374.5 0.01 28 102 15672 -53.3 -73.3 7 20.0 -53.9 285 92 422.3 422.3 308.0 422.4 0.02 29 100 15800 -52.3 -72.3 7 20.0 -53.0 285 91 426.7 426.7 308.5 426.8 0.02 30 98 15931 -52.1 -72.1 7 20.0 -52.8 284 89 429.5 429.5 308.8 429.7 0.02 31 75 17691 -45.1 -68.1 6 23.0 -46.9 265 68 478.4 478.4 313.4 478.7 0.05 32 70 18150 -46.7 -69.7 6 23.0 -48.4 260 62 484.5 484.5 313.8 484.8 0.05 33 63 18844 -48.5 -71.5 5 23.0 -50.1 263 55 495.3 495.3 314.7 495.6 0.04 34 57 19506 -45.1 -69.1 5 24.0 -47.4 266 49 517.4 517.4 316.2 517.8 0.06 35 50 20370 -49.7 -73.7 4 24.0 -51.4 270 40 526.4 526.4 316.7 526.6 0.04 36 43 21349 -54.5 -77.5 4 23.0 -55.7 255 34 537.7 537.8 317.4 537.9 0.02 37 37 22329 -47.7 -71.7 5 24.0 -50.3 241 29 578.8 578.8 319.6 579.3 0.06 38 32 23281 -51.9 -74.9 5 23.0 -53.9 226 23 592.1 592.1 320.3 592.5 0.05 39 31 23487 -52.3 -76.3 4 24.0 -54.2 223 22 596.4 596.5 320.5 596.7 0.04 40 30 23700 -51.1 -75.1 4 24.0 -53.4 220 21 605.3 605.4 320.9 605.7 0.05 41 28 24148 -49.7 -73.7 4 24.0 -52.4 200 18 621.3 621.3 321.6 621.8 0.06 42 20 26310 -55.7 -78.7 4 23.0 -57.7 100 3 665.7 665.7 323.3 666.0 0.04 43 18 26978 -58.3 -81.3 4 23.0 -60.0 79 4 677.8 677.9 323.7 678.1 0.03 44 16 27725 -56.3 -79.3 4 23.0 -58.5 57 5 707.6 707.6 324.7 708.0 0.05 45 14 28572 -57.5 -80.5 4 23.0 -59.7 31 6 731.1 731.1 325.4 731.4 0.04 46 11 30101 -56.5 -79.5 4 23.0 -59.4 344 8 786.9 786.9 326.9 787.5 0.07 47 10 30710 -53.9 -77.9 4 24.0 -57.8 325 9 818.4 818.4 327.7 819.3 0.09 48 9.6 30974 -51.5 -75.5 4 24.0 -56.3 837.0 837.1 328.1 838.5 0.14 TRP 252 9879 -55.5 -72.5 10 17.0 -55.7 300 103 322.8 322.8 289.6 322.9 0.01 WND 158 12868 -55.5 -73.2 9 17.7 -55.8 290 106 368.9 368.9 300.4 369.0 0.01 Sounding variables and indices 1000-500 mb thick: 5050.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 26.69 % Est. max temperature: -5.92 C = 21.34 F Sfc-Lift cond lev (LCL): 869.72 mb = 1313.97 m = 4310.89 ft T: -17.99 C 700-500 lapse rate: 4.57 C/km ThetaE index: 0.06 C Layer 923.0- 896.0 mb Conv cond level (CCL): 487.52 mb = 5495.59 m = 18029.94 ft Mean mixing ratio: 0.40 g/kg Conv temperature: 21.19 C = 70.15 F Cap Strength: 23.48 C Lifted Index: 25.62 C Risk: None Lifted Index @300 mb: 37.31 C Lifted Index @700 mb: 15.50 C Showalter Index: 19.94 C Risk: None Total Totals Index: 17.40 C Risk: None Vertical Totals Index: 15.20 C Cross Totals Index: 2.20 C K Index: -31.90 Risk: None Sweat Index: 144.00 Risk: None Energy Index: 5.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.66 J/kg Max Up Vert Vel: 4.62 m/s Conv Inhibition (B-): 78011.63 J/kg Cap Strength: 25.47 C Lift Cond Lev (LCL): 803.07 mb = 1904.11 m = 6247.02 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 349 at 34 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 1024 91 90 3 -3.0 0.0 | 164 34 -9.7 32.9 1 1000 270 60 5 -4.3 -2.5 | 160 32 -11.0 30.4 2 925 855 325 29 16.6 -23.8 | 227 14 10.0 9.2 3 850 1485 330 40 20.0 -34.6 | 277 13 13.3 -1.7 4 700 2912 325 40 22.9 -32.8 | 269 16 16.3 0.2 5 500 5320 310 64 49.0 -41.1 | 281 43 42.3 -8.2 6 400 6860 305 83 68.0 -47.6 | 283 63 61.3 -14.7 7 300 8760 300 85 73.6 -42.5 | 278 68 66.9 -9.6 8 252 9879 300 103 89.2 -51.5 | 283 85 82.5 -18.6 9 250 9930 300 103 89.2 -51.5 | 283 85 82.5 -18.6 10 200 11360 290 101 94.9 -34.5 | 271 88 88.2 -1.6 11 158 12868 290 106 99.6 -36.3 | 272 93 92.9 -3.3 12 150 13200 290 103 96.8 -35.2 | 271 90 90.1 -2.3 13 100 15800 285 91 87.9 -23.6 | 263 82 81.2 9.4 14 70 18150 260 62 61.1 10.8 | 231 70 54.4 43.7 15 50 20370 270 40 40.0 -0.0 | 225 47 33.3 32.9 16 30 23700 220 21 13.5 16.1 | 188 49 6.8 49.0 17 20 26310 100 3 -3.0 0.5 | 164 35 -9.6 33.5 18 10 30710 325 9 5.2 -7.4 | 177 26 -1.5 25.6 Wind Parameters Mean winds (0-6000m): 318.5 at 44.8 knts Storm direction: 348.5 at 33.6 knts Shear (0-3000m) pos: 1.2 neg: 6.4 tot: 7.6 10-3/s Storm rel Dir Shear (0-3000m): 109.0 deg Storm rel helicity (0-3000m) pos: 88.0 neg: -71.9 tot: 16.1 m^2/s^2 ave: 5.4 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 3.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.05 Bulk Shear: 236.94 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 27 9 157 27| 0.0 18.5 18.5| 0.3 -64.1 -63.7 -127.5 -0.40| 20.3 -8.2 1000 333 18 185 17| 0.0 17.9 17.9| 60.1 -64.1 -4.0 -4.0 0.27| 23.0 6.2 1500 331 24 204 13| 2.4 11.9 14.4| 83.8 -64.6 19.2 12.8 0.36| 17.8 6.5 2000 330 28 221 11| 1.8 9.0 10.8| 83.8 -67.3 16.5 8.2 0.34| 13.7 4.7 2500 329 31 234 11| 1.5 7.2 8.7| 83.8 -70.1 13.7 5.5 0.32| 11.2 3.6 3000 328 32 242 12| 1.2 6.4 7.6| 88.0 -71.9 16.1 5.4 0.32| 9.8 3.1 4000 326 36 256 14| 0.9 6.1 7.0|106.1 -71.9 34.2 8.5 0.31| 8.8 2.7 5000 322 40 266 18| 0.7 6.0 6.7|109.7 -73.4 36.3 7.3 0.27| 8.2 2.2 6000 319 45 272 23| 0.6 6.0 6.6|129.2 -75.6 53.6 8.9 0.25| 8.0 2.0 Wrote GIF file: /home/apache/climate/data/raob//X1977/skewt/X1977.skewt.20251212.00.gif