UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for X1977... Searching the city database file for: X1977 ... Date:1200Z 18 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 85 90 1 SFC 999 93 4.6 3.2 91 1.4 3.9 90 1 277.8 278.6 277.2 291.0 4.82 2 980 251 7.6 6.1 90 1.5 6.8 59 4 282.4 283.4 280.9 299.0 6.03 3 969 344 8.0 5.7 85 2.3 6.8 40 7 283.7 284.7 281.4 300.2 5.93 4 935 638 7.4 2.4 71 5.0 5.0 342 13 286.0 286.8 281.2 299.7 4.86 5 925 727 6.8 0.8 66 6.0 4.0 325 15 286.3 287.0 280.8 298.7 4.38 6 885 1088 3.0 -3.0 65 6.0 0.5 322 19 286.0 286.6 279.5 295.9 3.46 7 850 1414 1.0 -4.0 69 5.0 -1.0 320 23 287.2 287.8 279.9 296.8 3.34 8 795 1947 -2.9 -8.9 63 6.0 -5.0 318 24 288.6 289.0 279.4 295.8 2.45 9 745 2458 -6.9 -16.9 45 10.0 -9.7 317 26 289.6 289.9 278.5 293.8 1.36 10 735 2564 -5.1 -17.1 38 12.0 -8.6 316 26 292.7 293.0 280.0 296.9 1.36 11 706 2878 -7.1 -32.1 12 25.0 -11.9 315 27 293.9 294.0 279.1 295.1 0.37 12 703 2912 -6.7 -32.7 11 26.0 -11.6 315 27 294.7 294.8 279.5 295.9 0.35 13 700 2945 -6.5 -31.5 12 25.0 -11.4 315 27 295.3 295.4 279.8 296.6 0.39 14 528 5096 -17.9 -46.9 6 29.0 -21.1 290 56 306.4 306.4 284.1 306.8 0.11 15 500 5500 -20.9 -48.9 6 28.0 -23.7 285 62 307.6 307.6 284.5 307.9 0.09 16 413 6892 -30.1 -55.1 7 25.0 -31.7 294 57 313.0 313.0 286.5 313.2 0.05 17 400 7120 -31.3 -55.3 8 24.0 -32.7 295 56 314.3 314.3 286.9 314.5 0.05 18 366 7745 -33.5 -57.5 7 24.0 -34.8 297 74 319.5 319.5 288.6 319.6 0.04 19 340 8256 -37.9 -59.9 8 22.0 -38.8 298 89 320.3 320.3 288.9 320.4 0.04 20 310 8888 -40.5 -61.5 9 21.0 -41.3 299 107 325.2 325.2 290.4 325.3 0.03 21 300 9110 -42.7 -63.7 8 21.0 -43.3 300 114 325.2 325.2 290.3 325.3 0.02 22 273 9741 -47.0 -65.7 10 18.7 -47.4 300 130 327.8 327.8 291.1 327.9 0.02 23 255 10191 -50.1 -67.1 12 17.0 -50.4 300 113 329.7 329.7 291.6 329.8 0.02 24 250 10320 -50.9 -67.9 12 17.0 -51.2 300 108 330.4 330.4 291.9 330.5 0.02 25 231 10831 -53.3 -69.3 13 16.0 -53.5 300 83 334.3 334.3 292.9 334.4 0.01 26 212 11383 -53.3 -69.3 13 16.0 -53.6 297 68 342.6 342.6 295.0 342.7 0.02 27 202 11695 -51.5 -68.5 11 17.0 -51.9 295 60 350.2 350.2 296.7 350.3 0.02 28 200 11760 -51.7 -68.7 11 17.0 -52.1 295 58 350.9 350.9 296.8 351.0 0.02 29 180 12438 -54.7 -71.7 11 17.0 -55.0 290 54 356.7 356.7 298.1 356.8 0.01 30 167 12922 -50.1 -68.1 10 18.0 -50.6 286 52 372.1 372.1 300.9 372.3 0.02 31 150 13620 -51.3 -69.3 10 18.0 -51.8 280 48 381.7 381.7 302.5 381.8 0.02 32 136 14256 -51.3 -69.3 10 18.0 -51.8 278 44 392.5 392.5 304.2 392.6 0.02 33 117 15221 -56.3 -74.3 9 18.0 -56.7 274 39 400.6 400.6 305.3 400.6 0.01 34 105 15908 -56.1 -75.1 8 19.0 -56.5 271 35 413.5 413.5 306.9 413.6 0.01 35 100 16220 -52.9 -72.9 7 20.0 -53.5 270 33 425.5 425.5 308.3 425.6 0.02 36 78 17801 -59.7 -78.7 7 19.0 -60.1 273 25 442.7 442.8 310.1 442.8 0.01 37 70 18480 -58.7 -78.7 6 20.0 -59.2 275 21 458.8 458.8 311.7 458.9 0.01 38 53 20223 -59.1 -79.1 6 20.0 -59.7 287 13 495.9 495.9 314.7 496.0 0.01 39 50 20590 -55.9 -76.9 6 21.0 -56.8 290 11 511.7 511.8 315.8 511.9 0.02 40 45 21254 -59.1 -79.1 6 20.0 -59.7 286 13 519.6 519.6 316.3 519.7 0.02 41 38 22324 -54.3 -75.3 6 21.0 -55.6 279 15 557.6 557.6 318.5 557.9 0.04 42 30 23830 -56.5 -77.5 5 21.0 -57.8 270 19 590.6 590.6 320.2 590.8 0.03 43 29 24045 -56.7 -77.7 5 21.0 -58.0 270 19 595.8 595.8 320.5 596.1 0.03 44 25 24992 -53.1 -75.1 5 22.0 -55.2 270 21 632.0 632.0 322.0 632.4 0.06 45 21 26109 -55.1 -77.1 5 22.0 -57.1 270 23 658.3 658.3 323.0 658.7 0.05 46 20 26420 -54.9 -76.9 5 22.0 -57.1 270 23 668.1 668.2 323.4 668.6 0.05 47 13 29187 -53.7 -76.7 4 23.0 -57.0 289 21 759.9 759.9 326.2 760.7 0.09 48 12 29708 -48.3 -72.3 5 24.0 -53.6 292 20 796.6 796.7 327.2 798.4 0.18 49 10 30910 -48.5 -72.5 5 24.0 -54.4 300 19 838.5 838.6 328.2 840.7 0.21 50 9.6 31180 -46.9 -71.9 4 25.0 -53.6 854.4 854.5 328.5 857.0 0.24 TRP 231 10831 -53.3 -69.3 13 16.0 -53.5 300 83 334.3 334.3 292.9 334.4 0.01 WND 273 9741 -47.0 -65.7 10 18.7 -47.4 300 130 327.8 327.8 291.1 327.9 0.02 Sounding variables and indices 1000-500 mb thick: 5415.00 m Freezing level: 835.90 mb = 1550.76 m = 5087.73 ft Wetbulb zero: 873.78 mb = 1191.09 m = 3907.74 ft Precipitable water: 0.41 inches Sfc-500 mean rel hum: 35.05 % Est. max temperature: 13.99 C = 57.17 F Sfc-Lift cond lev (LCL): 977.61 mb = 270.85 m = 888.60 ft T: 7.69 C 700-500 lapse rate: 5.64 C/km ThetaE index: 4.28 C Layer 935.0- 850.0 mb Conv cond level (CCL): 862.30 mb = 1297.87 m = 4258.07 ft Mean mixing ratio: 5.03 g/kg Conv temperature: 13.53 C = 56.35 F Cap Strength: 8.86 C Lifted Index: 9.20 C Risk: None Lifted Index @300 mb: 19.10 C Lifted Index @700 mb: 3.85 C Showalter Index: 10.31 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 16.90 C K Index: -7.10 Risk: None Sweat Index: 108.00 Risk: None Energy Index: 2.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.05 J/kg Max Up Vert Vel: 7.35 m/s Conv Inhibition (B-): 59774.82 J/kg Cap Strength: 9.13 C Lift Cond Lev (LCL): 894.75 mb = 998.48 m = 3275.82 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 329 at 26 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 93 90 1 -1.0 0.0 | 148 27 -14.3 22.4 1 925 727 325 15 8.6 -12.3 | 155 11 -4.7 10.1 2 850 1414 320 23 14.8 -17.6 | 198 5 1.5 4.8 3 700 2945 315 27 19.1 -19.1 | 240 7 5.8 3.3 4 500 5500 285 62 59.9 -16.0 | 262 47 46.6 6.4 5 400 7120 295 56 50.8 -23.7 | 272 38 37.5 -1.2 6 300 9110 300 114 98.7 -57.0 | 292 92 85.5 -34.6 7 273 9741 300 130 112.6 -65.0 | 293 108 99.3 -42.6 8 250 10320 300 108 93.5 -54.0 | 291 86 80.3 -31.6 9 231 10831 300 83 71.9 -41.5 | 288 62 58.6 -19.1 10 200 11760 295 58 52.6 -24.5 | 273 39 39.3 -2.1 11 150 13620 280 48 47.3 -8.3 | 248 37 34.0 14.1 12 100 16220 270 33 33.0 -0.0 | 221 30 19.7 22.4 13 70 18480 275 21 20.9 -1.8 | 200 22 7.7 20.6 14 50 20590 290 11 10.3 -3.8 | 171 19 -2.9 18.7 15 30 23830 270 19 19.0 -0.0 | 194 23 5.7 22.4 16 20 26420 270 23 23.0 -0.0 | 203 24 9.7 22.4 17 10 30910 300 19 16.5 -9.5 | 194 13 3.2 12.9 Wind Parameters Mean winds (0-6000m): 299.4 at 34.7 knts Storm direction: 329.4 at 26.0 knts Shear (0-3000m) pos: 0.0 neg: 5.1 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 104.7 deg Storm rel helicity (0-3000m) pos: 38.7 neg: -51.4 tot: -12.7 m^2/s^2 ave: -4.2 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 1.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.24 Bulk Shear: 110.59 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 ------------------------------------------------------------------------------- 500 323 6 152 20| 0.0 12.6 12.6| 3.4 -51.4 -48.0 -96.0 -0.43| 16.5 -7.1 1000 326 11 152 15| 0.0 10.2 10.2| 25.0 -51.4 -26.4 -26.4 0.00| 13.9 0.1 1500 323 15 158 11| 0.0 8.3 8.3| 30.4 -51.4 -21.0 -14.0 0.12| 10.8 1.3 2000 321 17 164 9| 0.0 6.5 6.5| 32.4 -51.4 -19.0 -9.5 0.16| 8.5 1.3 2500 320 19 172 8| 0.0 5.5 5.5| 34.3 -51.4 -17.1 -6.8 0.19| 7.1 1.3 3000 319 20 180 7| 0.0 5.1 5.1| 38.7 -51.4 -12.7 -4.2 0.23| 6.5 1.5 4000 314 24 215 7| 0.0 5.6 5.6| 50.2 -51.4 -1.3 -0.3 0.23| 6.8 1.6 5000 306 29 244 12| 0.0 5.9 5.9| 50.2 -75.2 -25.1 -5.0 0.14| 7.2 1.0 6000 299 35 252 18| 0.3 5.4 5.7| 82.3-101.1 -18.8 -3.1 0.12| 7.0 0.9 Wrote GIF file: /home/apache/climate/data/raob//X1977/skewt/X1977.skewt.20250418.12.gif