UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041823.upa.cvt Date: 2300Z 18 APR 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 18 APR 25 Station: BIKF WMO ident: 4018 Latitude: 63.97 Longitude: -22.60 Elevation: 52.00 ------------------------------------------------------------------------------- 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 1023 52 3.6 -1.0 72 4.6 1.7 165 4 275.0 275.5 273.7 284.4 3.47 1 1011 142 4.4 -1.6 65 6.0 1.9 168 8 276.7 277.2 274.5 285.9 3.36 2 1000 226 3.8 -1.2 70 5.0 1.7 170 11 277.0 277.5 274.9 286.6 3.50 3 925 853 -2.1 -3.9 87 1.8 -2.8 160 8 277.2 277.7 274.4 285.7 3.09 4 896 1105 -4.1 -6.1 86 2.0 -4.8 164 10 277.6 278.1 274.1 285.2 2.70 5 850 1519 -6.7 -10.6 74 3.9 -7.9 170 12 279.1 279.5 273.9 284.8 2.00 6 835 1658 -7.5 -14.5 57 7.0 -9.4 161 11 279.7 280.0 273.5 284.0 1.49 7 815 1846 -8.7 -12.7 73 4.0 -9.8 149 10 280.4 280.7 274.3 285.5 1.76 8 768 2303 -11.3 -22.3 40 11.0 -13.6 120 8 282.4 282.5 273.9 284.9 0.83 9 761 2374 -9.1 -38.1 7 29.0 -13.3 116 7 285.5 285.5 274.6 286.1 0.19 10 752 2466 -9.1 -40.1 6 31.0 -13.5 110 7 286.5 286.5 275.1 287.0 0.15 11 724 2759 -9.1 -41.1 5 32.0 -13.6 91 5 289.6 289.6 276.7 290.1 0.14 12 700 3019 -10.9 -33.9 13 23.0 -14.7 75 4 290.4 290.5 277.4 291.4 0.31 13 645 3641 -15.5 -28.5 32 13.0 -17.8 59 6 292.1 292.2 278.6 293.9 0.56 14 555 4754 -24.1 -40.1 21 16.0 -25.8 30 11 294.7 294.8 279.3 295.4 0.21 15 548 4847 -24.5 -36.5 32 12.0 -25.9 28 11 295.3 295.4 279.7 296.3 0.31 16 527 5130 -25.7 -42.7 19 17.0 -27.3 20 12 297.2 297.2 280.4 297.8 0.17 17 524 5172 -25.9 -35.9 39 10.0 -27.1 19 13 297.4 297.5 280.7 298.6 0.34 18 519 5241 -26.1 -43.1 19 17.0 -27.6 17 13 298.0 298.1 280.7 298.6 0.16 19 510 5367 -26.3 -35.3 42 9.0 -27.4 14 13 299.3 299.3 281.5 300.5 0.37 20 500 5510 -27.5 -36.5 42 9.0 -28.5 10 14 299.5 299.6 281.6 300.6 0.34 21 494 5597 -28.1 -37.1 42 9.0 -29.1 10 14 299.8 299.9 281.7 300.9 0.32 22 490 5656 -28.1 -48.1 13 20.0 -29.6 10 15 300.5 300.5 281.7 300.9 0.10 23 454 6202 -31.5 -48.5 17 17.0 -32.6 12 17 302.9 302.9 282.7 303.3 0.10 24 400 7090 -38.1 -50.1 27 12.0 -38.7 15 21 305.5 305.5 283.7 305.8 0.10 25 349 8011 -46.1 -52.1 51 6.0 -46.3 10 20 306.8 306.8 284.2 307.1 0.09 26 334 8301 -48.5 -55.5 44 7.0 -48.7 9 19 307.4 307.4 284.4 307.6 0.06 27 304 8914 -51.7 -63.7 22 12.0 -51.9 5 18 311.3 311.3 285.8 311.4 0.02 28 300 9000 -52.1 -62.1 29 10.0 -52.3 5 18 311.9 311.9 286.1 312.0 0.03 29 261 9895 -55.7 -63.7 36 8.0 -55.8 341 22 319.3 319.3 288.5 319.4 0.03 30 259 9945 -55.9 -65.9 28 10.0 -56.1 340 22 319.7 319.7 288.6 319.8 0.02 31 252 10119 -55.7 -71.7 12 16.0 -55.9 336 26 322.5 322.5 289.5 322.6 0.01 32 250 10170 -55.5 -72.5 10 17.0 -55.7 335 27 323.6 323.6 289.9 323.6 0.01 33 200 11600 -50.9 -79.9 2 29.0 -51.3 310 23 352.2 352.2 297.1 352.2 0.00 34 196 11732 -49.5 -79.5 2 30.0 -50.0 310 22 356.4 356.4 298.0 356.5 0.00 35 162 12977 -49.1 -83.1 1 34.0 -49.8 310 14 377.1 377.1 301.8 377.1 0.00 36 150 13480 -50.1 -83.1 1 33.0 -50.7 310 11 383.7 383.7 302.8 383.8 0.00 37 100 16140 -48.9 -83.9 1 35.0 -50.0 275 9 433.2 433.2 309.2 433.3 0.00 38 70 18470 -49.7 -84.7 1 35.0 -51.0 250 8 478.1 478.1 313.3 478.1 0.00 39 50 20670 -50.3 -85.3 1 35.0 -52.0 300 3 524.9 524.9 316.6 525.0 0.01 40 30 24010 -50.9 -85.9 1 35.0 -53.3 100 12 605.9 605.9 320.9 605.9 0.01 41 23 25745 -49.5 -86.5 1 37.0 -52.8 657.8 657.8 323.0 657.9 0.01 TRP 259 9945 -55.9 -65.9 28 10.0 -56.1 340 22 319.7 319.7 288.6 319.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5284.00 m Freezing level: 951.69 mb = 629.83 m = 2066.35 ft Wetbulb zero: 971.42 mb = 459.16 m = 1506.42 ft Precipitable water: 0.30 inches Sfc-500 mean rel hum: 42.67 % Est. max temperature: 7.04 C = 44.67 F Sfc-Lift cond lev (LCL): 952.72 mb = 615.56 m = 2019.53 ft T: 0.13 C 700-500 lapse rate: 6.66 C/km ThetaE index: 2.57 C Layer 925.0- 815.0 mb Conv cond level (CCL): 908.69 mb = 993.89 m = 3260.75 ft Mean mixing ratio: 3.32 g/kg Conv temperature: 6.09 C = 42.96 F Cap Strength: 11.65 C Lifted Index: 11.74 C Risk: None Lifted Index @300 mb: 18.37 C Lifted Index @700 mb: 7.39 C Showalter Index: 12.65 C Risk: None Total Totals Index: 37.70 C Risk: None Vertical Totals Index: 20.80 C Cross Totals Index: 16.90 C K Index: -12.80 Risk: None Sweat Index: 38.00 Risk: None Energy Index: 3.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.66 J/kg Max Up Vert Vel: 2.71 m/s Conv Inhibition (B-): 52306.87 J/kg Cap Strength: 11.71 C Lift Cond Lev (LCL): 916.08 mb = 929.71 m = 3050.18 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 100 at 7 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 1023 52 165 4 -1.0 3.9 | 246 6 5.9 2.6 1 1000 226 170 11 -1.9 10.8 | 208 11 5.0 9.6 2 925 853 160 8 -2.7 7.5 | 214 8 4.2 6.2 3 850 1519 170 12 -2.1 11.8 | 205 12 4.9 10.6 4 700 3019 75 4 -3.9 -1.0 | 307 4 3.1 -2.3 5 500 5510 10 14 -2.4 -13.8 | 343 16 4.5 -15.1 6 400 7090 15 21 -5.4 -20.3 | 356 22 1.5 -21.6 7 300 9000 5 18 -1.6 -17.9 | 344 20 5.4 -19.2 8 259 9945 340 22 7.5 -20.7 | 327 26 14.5 -21.9 9 250 10170 335 27 11.4 -24.5 | 324 32 18.4 -25.7 10 200 11600 310 23 17.6 -14.8 | 303 29 24.6 -16.1 11 150 13480 310 11 8.4 -7.1 | 298 17 15.4 -8.3 12 100 16140 275 9 9.0 -0.8 | 277 16 15.9 -2.1 13 70 18470 250 8 7.5 2.7 | 264 15 14.5 1.5 14 50 20670 300 3 2.6 -1.5 | 286 10 9.6 -2.8 15 30 24010 100 12 -11.8 2.1 | 100 5 -4.9 0.8 Wind Parameters Mean winds (0-6000m): 70.3 at 9.4 knts Storm direction: 100.3 at 7.1 knts Shear (0-3000m) pos: 0.5 neg: 1.4 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 62.5 deg Storm rel helicity (0-3000m) pos: 3.0 neg: -21.4 tot: -18.4 m^2/s^2 ave: -6.1 10^-3 m/s^2 rel: -0.21 Storm rel vorticity (0-3000m) horiz: 5.1 stream: -1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.14 Bulk Shear: 26.07 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 ------------------------------------------------------------------------------- 500 168 9 213 9| 0.0 5.6 5.6| 0.8 -11.1 -10.3 -20.7 -0.59| 8.9 -5.2 1000 165 9 212 9| 0.0 2.7 2.7| 2.1 -12.5 -10.4 -10.4 -0.44| 5.9 -2.6 1500 166 10 210 9| 1.0 1.8 2.7| 2.1 -15.3 -13.2 -8.8 -0.43| 5.0 -2.1 2000 163 10 207 9| 0.7 1.4 2.1| 2.1 -21.1 -18.9 -9.5 -0.41| 5.4 -2.2 2500 160 9 206 8| 0.6 1.5 2.1| 2.5 -21.3 -18.8 -7.5 -0.29| 5.3 -1.6 3000 160 9 210 8| 0.5 1.4 1.9| 3.0 -21.4 -18.4 -6.1 -0.21| 5.1 -1.1 4000 145 8 204 6| 0.4 1.7 2.1| 6.9 -21.4 -14.4 -3.6 -0.08| 4.4 -0.4 5000 118 8 169 3| 0.3 1.9 2.2| 7.3 -24.0 -16.8 -3.4 -0.09| 4.2 -0.4 6000 70 9 23 5| 0.1 1.8 1.9| 13.1 -29.1 -16.0 -2.7 -0.08| 4.0 -0.3 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20250418.23.gif