UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041911.upa.cvt Date: 1100Z 19 APR 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 19 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 1022 52 5.6 -2.4 56 8.0 2.3 145 14 277.0 277.5 274.4 285.7 3.13 1 1000 215 4.0 -2.0 65 6.0 1.5 150 19 277.1 277.7 274.7 286.3 3.30 2 957 570 0.4 -2.9 78 3.3 -0.9 147 19 277.0 277.6 274.5 285.9 3.22 3 925 842 -1.7 -6.7 69 5.0 -3.4 145 19 277.6 278.0 273.8 284.6 2.50 4 898 1077 -3.3 -9.3 63 6.0 -5.3 133 17 278.3 278.6 273.6 284.2 2.10 5 850 1507 -7.5 -11.1 75 3.6 -8.6 110 12 278.3 278.6 273.3 283.8 1.92 6 848 1525 -7.7 -11.2 76 3.5 -8.7 110 12 278.3 278.6 273.3 283.7 1.91 7 778 2191 -11.1 -20.1 47 9.0 -13.1 126 12 281.6 281.7 273.8 284.5 0.99 8 760 2372 -8.9 -37.9 8 29.0 -13.2 130 11 285.8 285.9 274.8 286.5 0.19 9 751 2464 -8.1 -35.1 9 27.0 -12.5 132 11 287.7 287.7 275.9 288.5 0.26 10 700 3007 -11.7 -26.7 28 15.0 -14.6 145 11 289.5 289.6 277.4 291.5 0.61 11 664 3410 -14.7 -27.7 32 13.0 -17.1 139 10 290.6 290.7 277.9 292.4 0.59 12 593 4258 -20.1 -35.1 25 15.0 -22.1 125 9 293.8 293.9 279.0 294.9 0.33 13 530 5086 -23.5 -50.5 6 27.0 -25.6 112 7 299.4 299.4 281.1 299.6 0.07 14 500 5510 -26.7 -46.7 13 20.0 -28.3 105 6 300.5 300.5 281.7 300.9 0.11 15 400 7080 -38.3 -49.3 31 11.0 -38.9 105 10 305.2 305.2 283.7 305.6 0.11 16 374 7537 -42.3 -49.3 46 7.0 -42.6 97 12 305.8 305.9 283.9 306.3 0.11 17 357 7849 -43.7 -53.7 32 10.0 -44.0 91 14 308.1 308.1 284.7 308.3 0.07 18 300 8990 -53.1 -60.1 42 7.0 -53.2 70 19 310.5 310.5 285.5 310.7 0.04 19 266 9758 -58.3 -61.9 63 3.6 -58.3 61 10 313.8 313.8 286.7 313.9 0.03 20 263 9830 -58.7 -63.2 56 4.5 -58.7 60 9 314.2 314.2 286.9 314.3 0.03 21 250 10150 -57.1 -75.1 8 18.0 -57.3 95 5 321.2 321.2 289.1 321.2 0.01 22 248 10201 -56.7 -75.7 7 19.0 -56.9 99 5 322.5 322.5 289.5 322.5 0.01 23 200 11580 -49.9 -79.9 2 30.0 -50.4 205 5 353.8 353.8 297.4 353.8 0.00 24 198 11646 -48.9 -79.9 2 31.0 -49.4 207 5 356.4 356.4 298.0 356.4 0.00 25 174 12495 -48.3 -81.3 1 33.0 -49.0 232 8 370.8 370.8 300.7 370.8 0.00 26 150 13470 -49.3 -82.3 1 33.0 -50.0 260 12 385.1 385.1 303.1 385.1 0.00 27 134 14208 -51.5 -83.5 1 32.0 -52.1 267 12 393.8 393.8 304.3 393.8 0.00 28 100 16120 -49.9 -82.9 1 33.0 -50.8 285 11 431.3 431.3 309.0 431.3 0.00 29 70 18450 -50.3 -83.3 1 33.0 -51.5 275 14 476.8 476.8 313.2 476.8 0.01 30 50 20650 -50.1 -84.1 1 34.0 -51.8 190 5 525.4 525.4 316.6 525.4 0.01 31 46 21195 -49.7 -83.7 1 34.0 -51.6 539.1 539.1 317.5 539.1 0.01 TRP 263 9830 -58.7 -63.2 56 4.5 -58.7 60 9 314.2 314.2 286.9 314.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5295.00 m Freezing level: 950.90 mb = 621.88 m = 2040.27 ft Wetbulb zero: 973.04 mb = 435.84 m = 1429.90 ft Precipitable water: 0.28 inches Sfc-500 mean rel hum: 38.36 % Est. max temperature: 6.88 C = 44.39 F Sfc-Lift cond lev (LCL): 903.33 mb = 1029.78 m = 3378.51 ft T: -2.98 C 700-500 lapse rate: 5.99 C/km ThetaE index: 2.55 C Layer 957.0- 778.0 mb Conv cond level (CCL): 883.75 mb = 1201.93 m = 3943.28 ft Mean mixing ratio: 3.09 g/kg Conv temperature: 6.88 C = 44.38 F Cap Strength: 12.28 C Lifted Index: 12.77 C Risk: None Lifted Index @300 mb: 17.60 C Lifted Index @700 mb: 6.80 C Showalter Index: 14.30 C Risk: None Total Totals Index: 34.80 C Risk: None Vertical Totals Index: 19.20 C Cross Totals Index: 15.60 C K Index: -6.90 Risk: None Sweat Index: 30.00 Risk: None Energy Index: 3.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.23 J/kg Max Up Vert Vel: 2.11 m/s Conv Inhibition (B-): 14.53 J/kg Cap Strength: 12.62 C Lift Cond Lev (LCL): 898.82 mb = 1069.41 m = 3508.51 ft Lev Free Conv (LFC): 853.82 mb = 1471.90 m = 4829.01 ft Equ Level (EL): 833.82 mb = 1655.74 m = 5432.16 ft B at Equ Level: 2.10 J/kg Max Parcel Lev (MPL): 813.82 mb = 1843.44 m = 6047.96 ft Wind level data Storm motion: 162 at 8 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 1022 52 145 14 -8.0 11.5 | 123 7 -5.5 3.5 1 1000 215 150 19 -9.5 16.5 | 141 11 -7.0 8.5 2 925 842 145 19 -10.9 15.6 | 132 11 -8.4 7.6 3 850 1507 110 12 -11.3 4.1 | 66 10 -8.7 -3.8 4 700 3007 145 11 -6.3 9.0 | 106 4 -3.8 1.1 5 500 5510 105 6 -5.8 1.6 | 27 7 -3.3 -6.4 6 400 7080 105 10 -9.7 2.6 | 53 9 -7.1 -5.3 7 300 8990 70 19 -17.9 -6.5 | 47 21 -15.3 -14.4 8 263 9830 60 9 -7.8 -4.5 | 23 13 -5.3 -12.4 9 250 10150 95 5 -5.0 0.4 | 18 8 -2.4 -7.5 10 200 11580 205 5 2.1 4.5 | 306 6 4.7 -3.4 11 150 13470 260 12 11.8 2.1 | 292 16 14.4 -5.8 12 100 16120 285 11 10.6 -2.8 | 309 17 13.2 -10.8 13 70 18450 275 14 13.9 -1.2 | 299 19 16.5 -9.1 14 50 20650 190 5 0.9 4.9 | 311 5 3.4 -3.0 Wind Parameters Mean winds (0-6000m): 132.2 at 11.1 knts Storm direction: 162.2 at 8.3 knts Shear (0-3000m) pos: 1.6 neg: 2.0 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): -19.1 deg Storm rel helicity (0-3000m) pos: 12.9 neg: -35.0 tot: -22.1 m^2/s^2 ave: -7.4 10^-3 m/s^2 rel: -0.25 Storm rel vorticity (0-3000m) horiz: 4.3 stream: -1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.26 Bulk Shear: 8.68 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 ------------------------------------------------------------------------------- 500 148 18 137 10| 5.2 0.0 5.2| 5.8 -2.3 3.5 7.0 0.30| 6.2 1.9 1000 146 18 133 11| 2.6 2.4 5.0| 5.8 -15.7 -9.9 -9.9 -0.27| 5.6 -1.5 1500 141 17 122 10| 1.7 4.0 5.8| 5.8 -35.0 -29.2 -19.5 -0.56| 6.3 -3.6 2000 136 16 112 9| 1.7 3.0 4.7| 9.0 -35.0 -26.0 -13.0 -0.43| 5.4 -2.3 2500 135 15 108 8| 1.7 2.4 4.1| 11.5 -35.0 -23.6 -9.4 -0.32| 4.8 -1.5 3000 135 14 106 8| 1.6 2.0 3.6| 12.9 -35.0 -22.1 -7.4 -0.25| 4.3 -1.1 4000 136 13 103 7| 1.2 1.9 3.2| 12.9 -38.7 -25.8 -6.5 -0.33| 3.7 -1.2 5000 134 12 95 6| 1.0 1.8 2.8| 12.9 -42.7 -29.8 -6.0 -0.38| 3.3 -1.3 6000 132 11 85 6| 0.8 1.6 2.4| 15.3 -44.4 -29.2 -4.9 -0.35| 2.9 -1.0 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20250419.11.gif