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 X1977... Searching the city database file for: X1977 ... Date:1200Z 1 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 1009 89 -7.5 -15.5 53 8.0 -9.4 70 3 265.0 265.2 263.3 268.1 1.13 1 1000 159 -4.9 -13.9 49 9.0 -7.2 65 3 268.2 268.5 265.9 271.9 1.30 2 998 175 -4.9 -13.9 49 9.0 -7.2 62 3 268.4 268.6 266.0 272.0 1.31 3 944 611 -6.5 -17.5 41 11.0 -9.1 351 10 271.1 271.3 267.4 274.0 1.02 4 925 769 -8.5 -19.5 41 11.0 -10.9 325 13 270.6 270.8 266.8 273.1 0.88 5 890 1067 -10.9 -21.9 40 11.0 -13.0 314 13 271.1 271.3 266.9 273.3 0.74 6 855 1376 -9.9 -27.9 21 18.0 -13.0 302 13 275.3 275.4 269.1 276.7 0.45 7 850 1421 -9.9 -27.9 21 18.0 -13.0 300 13 275.8 275.9 269.4 277.1 0.45 8 806 1828 -13.5 -39.5 9 26.0 -16.5 290 18 276.2 276.2 269.1 276.7 0.15 9 721 2662 -20.7 -42.7 12 22.0 -22.6 270 30 277.2 277.2 269.7 277.6 0.12 10 700 2880 -22.5 -38.5 22 16.0 -24.0 265 33 277.6 277.6 270.0 278.2 0.20 11 629 3654 -29.7 -35.7 56 6.0 -30.2 263 46 278.0 278.0 270.5 278.9 0.29 12 624 3711 -29.1 -35.1 56 6.0 -29.6 263 47 279.3 279.3 271.3 280.3 0.31 13 611 3862 -29.5 -35.5 56 6.0 -30.0 263 49 280.5 280.6 272.0 281.5 0.30 14 597 4028 -28.1 -36.1 46 8.0 -28.9 263 52 284.0 284.1 274.0 284.9 0.29 15 500 5290 -32.3 -38.3 55 6.0 -32.8 260 73 293.7 293.7 278.9 294.6 0.28 16 479 5592 -33.5 -38.5 61 5.0 -33.9 260 77 295.8 295.9 279.9 296.8 0.29 17 400 6830 -43.1 -48.0 58 4.9 -43.3 260 95 299.0 299.0 281.1 299.4 0.12 18 393 6949 -44.3 -49.1 59 4.8 -44.5 260 96 298.9 298.9 281.0 299.3 0.11 19 310 8516 -50.3 -57.3 43 7.0 -50.5 260 112 311.5 311.5 285.9 311.7 0.05 20 300 8730 -50.1 -58.1 38 8.0 -50.3 255 112 314.7 314.7 287.1 314.9 0.05 21 298 8774 -50.2 -58.2 38 8.0 -50.4 255 114 315.2 315.2 287.2 315.4 0.05 22 250 9920 -52.3 -61.3 33 9.0 -52.5 255 97 328.3 328.3 291.3 328.5 0.04 23 200 11350 -54.9 -64.9 28 10.0 -55.1 245 89 345.8 345.8 295.7 346.0 0.03 24 190 11678 -55.9 -66.9 24 11.0 -56.1 247 91 349.3 349.3 296.5 349.4 0.02 25 182 11955 -53.1 -64.1 25 11.0 -53.4 248 94 358.2 358.2 298.4 358.4 0.04 26 150 13200 -55.1 -67.1 21 12.0 -55.4 255 103 375.1 375.1 301.5 375.3 0.03 27 120 14626 -53.7 -67.7 16 14.0 -54.1 255 93 402.4 402.4 305.6 402.6 0.04 28 100 15790 -55.5 -70.5 14 15.0 -55.9 255 85 420.5 420.5 307.8 420.6 0.03 29 85 16822 -56.3 -72.3 12 16.0 -56.8 255 85 438.9 438.9 309.8 439.0 0.03 30 79 17282 -59.5 -74.5 13 15.0 -59.9 255 85 441.6 441.6 310.0 441.7 0.02 31 70 18040 -58.1 -74.1 11 16.0 -58.6 255 85 460.1 460.1 311.8 460.2 0.02 32 50 20160 -57.7 -74.7 10 17.0 -58.4 255 68 507.5 507.5 315.5 507.7 0.03 33 38 21887 -58.5 -75.5 9 17.0 -59.3 247 74 546.9 546.9 317.9 547.1 0.04 34 35 22410 -53.9 -71.9 9 18.0 -55.4 245 76 571.9 571.9 319.3 572.4 0.07 35 32 22984 -54.7 -72.7 9 18.0 -56.1 242 78 584.6 584.7 319.9 585.1 0.06 36 30 23400 -50.9 -69.9 9 19.0 -53.1 240 79 605.9 605.9 320.9 606.7 0.10 37 24 24870 -46.3 -66.3 9 20.0 -50.1 234 79 659.2 659.3 323.1 660.9 0.21 38 20 26080 -47.5 -68.5 7 21.0 -51.4 230 79 690.8 690.9 324.2 692.4 0.19 39 10 30690 -44.7 -67.7 6 23.0 -52.0 852.7 852.9 328.5 857.2 0.42 TRP 310 8516 -50.3 -57.3 43 7.0 -50.5 260 112 311.5 311.5 285.9 311.7 0.05 WND 298 8774 -50.2 -58.2 38 8.0 -50.4 255 114 315.2 315.2 287.2 315.4 0.05 Sounding variables and indices 1000-500 mb thick: 5131.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 36.01 % Est. max temperature: 2.38 C = 36.28 F Sfc-Lift cond lev (LCL): 887.86 mb = 1085.36 m = 3560.85 ft T: -10.84 C 700-500 lapse rate: 4.07 C/km ThetaE index: 0.86 C Layer 925.0- 890.0 mb Conv cond level (CCL): 729.72 mb = 2572.42 m = 8439.61 ft Mean mixing ratio: 1.08 g/kg Conv temperature: 4.67 C = 40.40 F Cap Strength: 10.23 C Lifted Index: 17.25 C Risk: None Lifted Index @300 mb: 29.68 C Lifted Index @700 mb: 5.66 C Showalter Index: 13.85 C Risk: None Total Totals Index: 26.80 C Risk: None Vertical Totals Index: 22.40 C Cross Totals Index: 4.40 C K Index: -21.50 Risk: None Sweat Index: 99.00 Risk: None Energy Index: 3.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.68 J/kg Max Up Vert Vel: 4.62 m/s Conv Inhibition (B-): 68079.46 J/kg Cap Strength: 16.85 C Lift Cond Lev (LCL): 815.16 mb = 1741.13 m = 5712.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 295 at 30 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 1009 89 70 3 -2.8 -1.0 | 112 32 -30.1 11.9 1 1000 159 65 3 -2.7 -1.3 | 111 32 -30.0 11.6 2 925 769 325 13 7.5 -10.6 | 97 20 -19.8 2.3 3 850 1421 300 13 11.3 -6.5 | 112 17 -16.0 6.4 4 700 2880 265 33 32.9 2.9 | 199 17 5.6 15.8 5 500 5290 260 73 71.9 12.7 | 240 51 44.6 25.6 6 400 6830 260 95 93.6 16.5 | 246 73 66.3 29.4 7 310 8516 260 112 110.3 19.4 | 249 89 83.0 32.4 8 300 8730 255 112 108.2 29.0 | 243 91 80.9 41.9 9 298 8774 255 114 110.1 29.5 | 243 93 82.8 42.4 10 250 9920 255 97 93.7 25.1 | 240 77 66.4 38.0 11 200 11350 245 89 80.7 37.6 | 227 73 53.4 50.5 12 150 13200 255 103 99.5 26.7 | 241 82 72.2 39.6 13 100 15790 255 85 82.1 22.0 | 238 65 54.8 34.9 14 70 18040 255 85 82.1 22.0 | 238 65 54.8 34.9 15 50 20160 255 68 65.7 17.6 | 232 49 38.4 30.5 16 30 23400 240 79 68.4 39.5 | 218 67 41.1 52.4 17 20 26080 230 79 60.5 50.8 | 208 72 33.2 63.7 Wind Parameters Mean winds (0-6000m): 265.3 at 40.3 knts Storm direction: 295.3 at 30.2 knts Shear (0-3000m) pos: 0.0 neg: 6.8 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 97.3 deg Storm rel helicity (0-3000m) pos: 90.6 neg: -70.1 tot: 20.4 m^2/s^2 ave: 6.8 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 8.8 stream: 2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 238.56 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 13 6 104 29| 0.0 10.0 10.0| 0.0 -66.9 -66.9 -133.7 -0.75| 11.2 -8.4 1000 330 9 102 23| 0.0 7.5 7.5| 13.7 -70.1 -56.4 -56.4 -0.30| 10.4 -3.1 1500 318 11 104 21| 0.0 6.0 6.0| 29.7 -70.1 -40.4 -26.9 -0.10| 8.8 -0.9 2000 306 13 108 18| 0.0 6.4 6.4| 46.3 -70.1 -23.8 -11.9 0.09| 8.6 0.8 2500 294 15 117 15| 0.0 6.5 6.5| 66.9 -70.1 -3.2 -1.3 0.26| 8.7 2.2 3000 284 18 132 13| 0.0 6.8 6.8| 90.6 -70.1 20.4 6.8 0.32| 8.8 2.8 4000 274 25 167 12| 0.0 7.2 7.2|152.0 -70.1 81.9 20.5 0.38| 8.7 3.3 5000 268 33 201 15| 0.0 7.5 7.5|204.4 -70.1 134.2 26.8 0.37| 8.7 3.2 6000 265 40 218 21| 0.0 7.5 7.5|266.0 -70.1 195.9 32.6 0.36| 8.5 3.0 Wrote GIF file: /home/apache/climate/data/raob//X1977/skewt/X1977.skewt.20251201.12.gif