UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for X1977... Searching the city database file for: X1977 ... Date:1200Z 27 APR 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 ------------------------------------------------------------------------------- 0 1000 81 180 1 SFC 999 89 9.0 3.0 66 6.0 6.1 180 1 282.2 283.0 279.3 295.5 4.75 2 966 367 9.4 3.4 66 6.0 6.4 213 4 285.4 286.2 281.1 299.6 5.05 3 942 576 8.8 1.8 61 7.0 5.4 237 7 286.8 287.6 281.3 300.0 4.62 4 925 726 7.6 0.6 61 7.0 4.3 255 9 287.1 287.8 281.1 299.4 4.32 5 850 1417 2.6 -2.4 70 5.0 0.4 320 9 288.9 289.5 281.2 299.8 3.77 6 749 2424 -5.7 -8.7 79 3.0 -6.8 307 17 290.5 291.0 280.6 298.3 2.64 7 700 2952 -8.7 -11.9 78 3.2 -9.8 300 21 292.9 293.2 281.1 299.5 2.19 8 641 3628 -13.3 -15.9 81 2.6 -14.0 283 23 295.1 295.4 281.5 300.4 1.73 9 610 4004 -14.3 -16.3 85 2.0 -14.9 273 24 298.2 298.5 282.8 303.6 1.75 10 605 4067 -14.7 -16.8 84 2.1 -15.3 272 24 298.4 298.7 282.9 303.7 1.70 11 500 5480 -25.1 -28.1 76 3.0 -25.6 235 29 302.4 302.6 283.4 304.9 0.76 12 400 7060 -36.7 -39.6 74 2.9 -37.0 260 50 307.3 307.3 284.7 308.4 0.31 13 359 7804 -41.9 -44.8 73 2.9 -42.1 260 62 310.0 310.0 285.5 310.7 0.20 14 313 8721 -49.7 -53.0 68 3.3 -49.8 260 76 311.5 311.5 286.0 311.8 0.09 15 300 9000 -49.5 -52.8 68 3.3 -49.6 260 81 315.6 315.6 287.4 315.9 0.10 16 296 9088 -49.5 -52.8 68 3.3 -49.6 260 82 316.8 316.8 287.8 317.2 0.10 17 276 9542 -51.9 -55.0 69 3.1 -52.0 260 89 319.7 319.7 288.8 320.0 0.08 18 270 9684 -52.0 -55.2 68 3.2 -52.1 260 91 321.6 321.6 289.3 321.9 0.08 19 250 10180 -52.3 -55.8 66 3.5 -52.4 260 85 328.3 328.3 291.3 328.6 0.08 20 219 11032 -52.9 -56.9 62 4.0 -53.0 260 77 340.1 340.1 294.4 340.4 0.08 21 200 11620 -49.1 -53.5 60 4.4 -49.3 260 71 355.0 355.0 297.8 355.6 0.13 22 194 11822 -47.9 -52.4 60 4.5 -48.1 261 69 360.0 360.1 298.8 360.7 0.15 23 151 13457 -54.9 -59.9 54 5.0 -55.1 265 54 374.8 374.8 301.5 375.1 0.08 24 150 13500 -53.9 -58.9 54 5.0 -54.1 265 54 377.2 377.2 301.9 377.6 0.09 25 108 15614 -52.3 -59.3 43 7.0 -52.7 277 51 417.4 417.4 307.5 418.0 0.12 26 100 16110 -52.9 -59.9 42 7.0 -53.3 280 50 425.5 425.5 308.4 426.1 0.12 27 87 17004 -53.7 -61.7 37 8.0 -54.1 272 44 441.2 441.2 310.1 441.8 0.11 28 75 17945 -58.5 -67.5 30 9.0 -58.8 264 38 450.3 450.3 310.9 450.6 0.06 29 70 18380 -56.5 -65.5 31 9.0 -56.9 260 35 463.5 463.5 312.1 464.0 0.08 30 63 19055 -51.9 -61.9 29 10.0 -52.7 263 27 487.8 487.9 314.1 488.7 0.15 31 56 19810 -56.7 -66.7 27 10.0 -57.3 267 19 493.6 493.6 314.5 494.1 0.09 32 50 20530 -55.5 -66.5 24 11.0 -56.2 270 11 512.7 512.7 315.9 513.3 0.10 33 47 20922 -57.5 -68.5 23 11.0 -58.1 269 11 517.0 517.1 316.1 517.6 0.08 34 38 22278 -52.1 -64.1 22 12.0 -53.5 267 10 563.2 563.3 318.9 564.5 0.18 35 30 23800 -53.9 -66.9 19 13.0 -55.4 265 9 597.7 597.8 320.6 598.9 0.16 36 20 26400 -54.7 -69.7 14 15.0 -56.6 150 3 668.7 668.8 323.4 670.1 0.16 37 16 27853 -46.9 -63.9 13 17.0 -51.4 738.3 738.5 325.7 742.3 0.44 38 11 30343 -45.7 -63.7 11 18.0 -51.8 826.1 826.5 328.0 833.0 0.66 TRP 276 9542 -51.9 -55.0 69 3.1 -52.0 260 89 319.7 319.7 288.8 320.0 0.08 WND 270 9684 -52.0 -55.2 68 3.2 -52.1 260 91 321.6 321.6 289.3 321.9 0.08 Sounding variables and indices 1000-500 mb thick: 5399.00 m Freezing level: 818.36 mb = 1732.58 m = 5684.24 ft Wetbulb zero: 843.97 mb = 1473.65 m = 4834.76 ft Precipitable water: 0.60 inches Sfc-500 mean rel hum: 75.43 % Est. max temperature: 15.65 C = 60.18 F Sfc-Lift cond lev (LCL): 911.62 mb = 845.04 m = 2772.42 ft T: 6.74 C 700-500 lapse rate: 6.49 C/km ThetaE index: 1.46 C Layer 749.0- 700.0 mb Conv cond level (CCL): 814.29 mb = 1758.76 m = 5770.16 ft Mean mixing ratio: 4.63 g/kg Conv temperature: 16.22 C = 61.19 F Cap Strength: 3.53 C Lifted Index: 4.59 C Risk: None Lifted Index @300 mb: 11.89 C Lifted Index @700 mb: 1.33 C Showalter Index: 4.00 C Risk: None Total Totals Index: 50.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 22.70 C K Index: 22.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 75.00 Risk: None Energy Index: 1.03 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.87 J/kg Max Up Vert Vel: 6.30 m/s Conv Inhibition (B-): 53560.55 J/kg Cap Strength: 4.47 C Lift Cond Lev (LCL): 858.66 mb = 1334.21 m = 4377.27 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 297 at 15 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 ---------------------------------------------------------- 0 999 89 180 1 0.0 1.0 | 121 15 -13.0 7.7 1 925 726 255 9 8.7 2.3 | 154 10 -4.3 9.1 2 850 1417 320 9 5.8 -6.9 | 89 7 -7.3 -0.1 3 700 2952 300 21 18.2 -10.5 | 306 6 5.1 -3.8 4 500 5480 235 29 23.8 16.6 | 205 26 10.7 23.4 5 400 7060 260 50 49.2 8.7 | 247 39 36.2 15.4 6 300 9000 260 81 79.8 14.1 | 253 70 66.7 20.8 7 276 9542 260 89 87.6 15.5 | 253 78 74.6 22.2 8 270 9684 260 91 89.6 15.8 | 254 80 76.6 22.5 9 250 10180 260 85 83.7 14.8 | 253 74 70.7 21.5 10 200 11620 260 71 69.9 12.3 | 251 60 56.9 19.1 11 150 13500 265 54 53.8 4.7 | 254 42 40.8 11.5 12 100 16110 280 50 49.2 -8.7 | 273 36 36.2 -1.9 13 70 18380 260 35 34.5 6.1 | 239 25 21.4 12.8 14 50 20530 270 11 11.0 -0.0 | 163 7 -2.0 6.7 15 30 23800 265 9 9.0 0.8 | 152 9 -4.1 7.5 16 20 26400 150 3 -1.5 2.6 | 123 17 -14.5 9.3 Wind Parameters Mean winds (0-6000m): 267.4 at 19.6 knts Storm direction: 297.4 at 14.7 knts Shear (0-3000m) pos: 1.9 neg: 2.1 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 173.8 deg Storm rel helicity (0-3000m) pos: 29.7 neg: -26.6 tot: 3.1 m^2/s^2 ave: 1.0 10^-3 m/s^2 rel: -0.32 Storm rel vorticity (0-3000m) horiz: 6.0 stream: -1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.61 Bulk Shear: 32.66 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 ------------------------------------------------------------------------------- 500 250 4 132 12| 7.0 0.0 7.0| 26.0 0.0 26.0 52.1 0.87| 7.9 6.9 1000 261 6 139 10| 4.8 0.0 4.8| 29.7 -5.3 24.4 24.4 0.32| 8.1 2.6 1500 281 7 133 8| 3.8 0.0 3.8| 29.7 -13.7 16.0 10.7 -0.00| 7.4 -0.0 2000 294 9 122 6| 2.9 1.1 3.9| 29.7 -17.5 12.1 6.1 -0.13| 6.7 -0.8 2500 298 10 115 5| 2.3 1.7 4.0| 29.7 -21.2 8.4 3.4 -0.24| 6.2 -1.5 3000 298 12 114 3| 1.9 2.1 4.0| 29.7 -26.6 3.1 1.0 -0.32| 6.0 -1.9 4000 292 15 201 1| 1.4 2.5 3.9| 29.7 -48.1 -18.4 -4.6 -0.43| 5.9 -2.5 5000 280 17 224 5| 1.1 2.7 3.9| 29.7 -86.9 -57.3 -11.5 -0.48| 5.9 -2.9 6000 267 20 220 10| 1.5 2.6 4.1| 92.5-109.0 -16.5 -2.8 -0.32| 6.2 -2.0 Wrote GIF file: /home/apache/climate/data/raob//X1977/skewt/X1977.skewt.20250427.12.gif