UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for X1873... Searching the city database file for: X1873 ... Date:0000Z 27 APR 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 ------------------------------------------------------------------------------- 0 1000 72 90 3 SFC 996 104 4.4 0.9 78 3.5 2.8 90 3 277.9 278.6 276.2 289.1 4.09 2 925 701 2.2 -2.7 70 4.9 0.2 10 1 281.6 282.1 277.2 291.1 3.38 3 906 869 1.6 -4.4 64 6.0 -0.8 350 1 282.6 283.1 277.3 291.3 3.04 4 893 986 0.6 -7.4 55 8.0 -2.3 337 2 282.8 283.2 276.6 289.8 2.45 5 850 1381 -2.1 -9.1 59 7.0 -4.5 290 3 283.9 284.3 276.9 290.5 2.25 6 826 1608 -4.3 -9.2 69 4.9 -6.0 293 6 284.0 284.4 277.0 290.6 2.30 7 779 2068 -5.5 -10.5 68 5.0 -7.2 299 13 287.5 287.9 278.6 293.9 2.20 8 700 2896 -12.3 -15.9 74 3.6 -13.3 310 25 288.9 289.1 278.4 293.6 1.58 9 694 2962 -12.9 -16.4 75 3.5 -13.8 309 25 288.9 289.2 278.4 293.5 1.53 10 686 3050 -12.7 -16.1 76 3.4 -13.6 307 25 290.1 290.4 279.0 294.9 1.58 11 666 3276 -10.7 -17.7 56 7.0 -12.6 303 26 294.8 295.1 281.0 299.2 1.43 12 664 3299 -10.5 -17.5 56 7.0 -12.4 302 26 295.3 295.5 281.3 299.8 1.46 13 603 4035 -13.3 -18.3 66 5.0 -14.6 288 29 300.3 300.6 283.4 305.0 1.50 14 500 5430 -23.7 -29.7 58 6.0 -24.6 260 33 304.1 304.3 283.9 306.3 0.65 15 479 5743 -26.1 -32.1 57 6.0 -26.9 263 35 304.9 305.0 284.1 306.8 0.54 16 400 7020 -37.1 -47.1 35 10.0 -37.7 275 42 306.8 306.8 284.3 307.3 0.14 17 340 8119 -46.3 -58.3 24 12.0 -46.6 275 49 308.8 308.8 284.9 309.0 0.04 18 300 8940 -51.1 -63.1 23 12.0 -51.3 275 54 313.3 313.3 286.5 313.4 0.03 19 278 9434 -53.5 -65.5 22 12.0 -53.7 270 58 316.8 316.8 287.7 316.8 0.02 20 270 9623 -52.3 -64.3 22 12.0 -52.5 270 60 321.2 321.2 289.1 321.3 0.02 21 260 9867 -53.3 -65.3 22 12.0 -53.5 270 62 323.2 323.2 289.8 323.3 0.02 22 250 10120 -54.3 -66.3 22 12.0 -54.5 270 60 325.3 325.3 290.4 325.4 0.02 23 200 11560 -50.7 -65.7 15 15.0 -51.1 275 48 352.5 352.5 297.2 352.6 0.03 24 196 11692 -49.9 -64.9 16 15.0 -50.3 275 47 355.8 355.8 297.9 355.9 0.03 25 160 13012 -53.1 -70.1 11 17.0 -53.5 279 42 371.7 371.7 300.9 371.7 0.02 26 150 13430 -51.5 -69.5 10 18.0 -52.0 280 40 381.3 381.3 302.5 381.4 0.02 27 146 13607 -48.3 -67.3 9 19.0 -49.0 279 39 389.8 389.8 303.8 390.0 0.03 28 128 14468 -51.3 -70.3 9 19.0 -51.9 276 34 399.4 399.4 305.2 399.5 0.02 29 122 14781 -48.9 -68.9 8 20.0 -49.7 275 32 409.3 409.3 306.5 409.4 0.03 30 101 16006 -54.7 -74.7 7 20.0 -55.2 270 25 420.8 420.8 307.8 420.9 0.02 31 100 16070 -54.3 -74.3 7 20.0 -54.8 270 25 422.8 422.8 308.0 422.9 0.02 32 80 17502 -52.7 -73.7 6 21.0 -53.5 261 25 454.0 454.0 311.3 454.1 0.02 33 70 18360 -53.7 -74.7 6 21.0 -54.5 255 25 469.5 469.5 312.6 469.6 0.02 34 65 18834 -55.1 -76.1 6 21.0 -55.9 257 21 476.5 476.5 313.2 476.6 0.02 35 62 19138 -52.1 -74.1 5 22.0 -53.2 259 19 489.6 489.6 314.2 489.8 0.03 36 50 20520 -55.3 -77.3 5 22.0 -56.2 265 9 513.2 513.2 315.9 513.3 0.02 37 48 20781 -56.3 -78.3 5 22.0 -57.2 259 9 516.8 516.8 316.1 516.9 0.02 38 42 21639 -52.3 -74.3 5 22.0 -53.8 239 8 546.8 546.8 317.9 547.1 0.04 39 33 23189 -55.9 -77.9 5 22.0 -57.2 204 7 576.3 576.3 319.5 576.5 0.03 40 30 23800 -53.3 -76.3 4 23.0 -55.1 190 7 599.3 599.3 320.6 599.6 0.04 41 29 24017 -53.1 -76.1 4 23.0 -55.0 201 7 605.7 605.7 320.9 606.0 0.04 42 25 24965 -55.1 -78.1 4 23.0 -56.9 248 6 626.2 626.3 321.7 626.5 0.04 43 23 25503 -49.5 -73.5 4 24.0 -52.7 275 6 657.8 657.9 323.0 658.5 0.08 44 20 26410 -51.9 -75.9 4 24.0 -54.8 320 5 677.3 677.3 323.7 677.8 0.06 45 18 27093 -52.3 -76.3 4 24.0 -55.3 696.8 696.8 324.3 697.3 0.07 46 11 30341 -44.1 -70.1 4 26.0 -51.5 831.9 832.1 328.1 834.8 0.27 47 10 30980 -44.5 -70.5 4 26.0 -52.1 853.4 853.6 328.5 856.5 0.28 48 9.6 31254 -44.3 -70.3 4 26.0 -52.1 864.2 864.4 328.8 867.5 0.31 TRP 278 9434 -53.5 -65.5 22 12.0 -53.7 270 58 316.8 316.8 287.7 316.8 0.02 WND 260 9867 -53.3 -65.3 22 12.0 -53.5 270 62 323.2 323.2 289.8 323.3 0.02 Sounding variables and indices 1000-500 mb thick: 5358.00 m Freezing level: 883.44 mb = 1073.43 m = 3521.73 ft Wetbulb zero: 921.27 mb = 733.70 m = 2407.12 ft Precipitable water: 0.43 inches Sfc-500 mean rel hum: 65.42 % Est. max temperature: 10.47 C = 50.85 F Sfc-Lift cond lev (LCL): 943.61 mb = 540.30 m = 1772.62 ft T: 2.79 C 700-500 lapse rate: 4.50 C/km ThetaE index: 1.47 C Layer 893.0- 850.0 mb Conv cond level (CCL): 834.62 mb = 1525.39 m = 5004.50 ft Mean mixing ratio: 3.54 g/kg Conv temperature: 10.48 C = 50.87 F Cap Strength: 10.94 C Lifted Index: 12.26 C Risk: None Lifted Index @300 mb: 16.32 C Lifted Index @700 mb: 3.03 C Showalter Index: 12.14 C Risk: None Total Totals Index: 36.20 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 14.60 C K Index: 8.90 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 3.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.62 J/kg Max Up Vert Vel: 5.77 m/s Conv Inhibition (B-): 57405.35 J/kg Cap Strength: 12.11 C Lift Cond Lev (LCL): 879.01 mb = 1112.06 m = 3648.46 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 313 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 ---------------------------------------------------------- 0 996 104 90 3 -3.0 0.0 | 126 18 -14.2 10.4 1 925 701 10 1 -0.2 -1.0 | 130 15 -11.4 9.4 2 850 1381 290 3 2.8 -1.0 | 138 13 -8.4 9.4 3 700 2896 310 25 19.2 -16.1 | 306 10 7.9 -5.7 4 500 5430 260 33 32.5 5.7 | 233 27 21.3 16.1 5 400 7020 275 42 41.8 -3.7 | 258 31 30.6 6.8 6 300 8940 275 54 53.8 -4.7 | 262 43 42.6 5.7 7 278 9434 270 58 58.0 -0.0 | 257 48 46.8 10.4 8 260 9867 270 62 62.0 -0.0 | 258 52 50.8 10.4 9 250 10120 270 60 60.0 -0.0 | 258 50 48.8 10.4 10 200 11560 275 48 47.8 -4.2 | 260 37 36.6 6.2 11 150 13430 280 40 39.4 -6.9 | 263 28 28.2 3.5 12 100 16070 270 25 25.0 -0.0 | 233 17 13.8 10.4 13 70 18360 255 25 24.1 6.5 | 217 21 12.9 16.9 14 50 20520 265 9 9.0 0.8 | 169 11 -2.3 11.2 15 30 23800 190 7 1.2 6.9 | 150 20 -10.0 17.3 16 20 26410 320 5 3.2 -3.8 | 129 10 -8.0 6.6 Wind Parameters Mean winds (0-6000m): 282.8 at 20.4 knts Storm direction: 312.8 at 15.3 knts Shear (0-3000m) pos: 2.5 neg: 2.4 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 169.6 deg Storm rel helicity (0-3000m) pos: 33.5 neg: -6.3 tot: 27.3 m^2/s^2 ave: 9.1 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.25 Bulk Shear: 66.51 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 79 2 127 17| 0.0 2.8 2.8| 3.2 -1.5 1.7 3.5 0.15| 3.1 0.5 1000 41 2 126 15| 0.0 2.4 2.4| 6.5 -1.8 4.6 4.6 0.24| 2.7 0.6 1500 327 2 130 13| 0.0 3.1 3.1| 15.8 -1.8 14.0 9.3 0.42| 3.4 1.4 2000 306 4 135 11| 1.9 2.3 4.2| 22.9 -1.8 21.0 10.5 0.49| 4.5 2.2 2500 307 7 137 9| 3.0 1.9 4.9| 29.2 -1.8 27.3 10.9 0.60| 5.1 3.1 3000 310 10 138 6| 2.5 2.4 4.9| 33.5 -6.3 27.3 9.1 0.49| 5.4 2.7 4000 303 14 191 3| 1.9 2.5 4.4| 33.5 -34.1 -0.5 -0.1 0.19| 5.3 1.0 5000 292 18 232 6| 1.5 2.7 4.3| 33.5 -76.9 -43.3 -8.7 -0.01| 5.4 -0.0 6000 283 20 236 10| 1.6 2.5 4.1| 69.4 -93.9 -24.5 -4.1 0.03| 5.2 0.2 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20250427.00.gif