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 LK747... Searching the city database file for: LK747 ... Date:1200Z 18 APR 25 Station: LK747 WMO ident: 11747 Latitude: 49.45 Longitude: 17.13 ------------------------------------------------------------------------------- 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 76 SFC 984 214 17.8 12.8 73 5.0 14.7 150 19 292.3 294.0 288.5 319.3 9.47 2 925 737 11.8 9.9 88 1.9 10.7 160 25 291.4 292.8 287.1 315.0 8.30 3 912 855 10.6 9.1 90 1.5 9.7 160 25 291.3 292.7 286.8 314.0 7.97 4 850 1439 6.6 6.3 98 0.3 6.4 160 23 293.1 294.3 286.5 313.4 7.06 5 827 1664 5.4 4.6 95 0.8 5.0 161 23 294.1 295.3 286.3 312.8 6.44 6 782 2119 2.4 2.4 100 0.0 2.4 164 24 295.6 296.7 286.3 312.7 5.82 7 702 2984 -2.9 -3.2 98 0.3 -3.0 170 25 299.0 299.8 286.0 311.9 4.30 8 700 3007 -3.1 -3.7 96 0.6 -3.4 170 25 299.1 299.8 285.9 311.5 4.15 9 695 3064 -3.3 -5.1 87 1.8 -4.1 169 26 299.4 300.1 285.6 310.8 3.76 10 685 3179 -1.5 -13.5 39 12.0 -5.8 168 27 302.7 303.1 284.9 308.9 1.97 11 642 3694 -4.3 -16.3 39 12.0 -8.2 161 32 305.2 305.5 285.5 310.5 1.67 12 593 4314 -9.5 -18.5 48 9.0 -12.2 153 38 306.1 306.4 285.7 311.0 1.50 13 544 4975 -14.9 -16.2 90 1.3 -15.3 144 45 307.4 307.7 286.6 313.7 1.98 14 528 5201 -16.1 -21.0 66 4.9 -17.4 141 48 308.6 308.8 286.4 313.0 1.36 15 500 5610 -18.3 -19.1 93 0.8 -18.5 135 52 310.7 311.0 287.5 316.3 1.69 16 471 6053 -21.7 -21.7 100 0.0 -21.7 135 57 311.9 312.1 287.6 316.6 1.43 17 467 6116 -22.1 -22.3 98 0.2 -22.1 135 57 312.1 312.4 287.6 316.7 1.37 18 465 6147 -22.1 -26.3 69 4.2 -22.9 135 58 312.5 312.7 287.3 315.8 0.96 19 432 6685 -24.9 -32.9 47 8.0 -26.2 135 63 315.6 315.7 287.9 317.6 0.56 20 400 7240 -29.3 -35.3 56 6.0 -30.1 135 69 316.9 317.0 288.3 318.6 0.47 21 376 7678 -32.9 -35.7 76 2.8 -33.2 135 70 317.8 317.9 288.6 319.5 0.48 22 330 8580 -40.5 -48.5 42 8.0 -41.0 135 73 319.5 319.5 288.8 320.0 0.14 23 329 8601 -40.9 -46.9 52 6.0 -41.3 135 73 319.2 319.2 288.7 319.8 0.17 24 327 8642 -41.3 -50.3 37 9.0 -41.8 135 73 319.2 319.2 288.6 319.6 0.12 25 300 9220 -46.5 -53.5 45 7.0 -46.7 135 75 319.8 319.8 288.8 320.2 0.09 26 280 9673 -50.7 -54.3 65 3.6 -50.8 132 79 320.1 320.2 288.9 320.5 0.09 27 265 10028 -53.9 -58.3 58 4.4 -54.0 130 83 320.5 320.6 289.0 320.8 0.06 28 263 10077 -54.2 -58.5 59 4.3 -54.3 130 83 320.8 320.8 289.0 321.0 0.05 29 258 10200 -54.9 -58.9 61 4.0 -55.0 132 78 321.5 321.5 289.3 321.7 0.05 30 250 10400 -56.1 -63.1 41 7.0 -56.2 135 71 322.7 322.7 289.6 322.8 0.03 31 249 10425 -56.3 -65.3 31 9.0 -56.4 135 70 322.7 322.7 289.6 322.8 0.02 32 245 10528 -55.7 -73.7 9 18.0 -55.9 135 66 325.1 325.1 290.3 325.2 0.01 33 238 10712 -56.9 -70.9 15 14.0 -57.1 135 60 326.0 326.0 290.6 326.1 0.01 34 200 11830 -49.5 -80.5 1 31.0 -50.0 165 36 354.4 354.4 297.5 354.4 0.00 35 195 11996 -48.9 -80.9 1 32.0 -49.5 161 34 357.9 357.9 298.3 357.9 0.00 36 182 12446 -51.9 -81.9 2 30.0 -52.3 152 28 360.2 360.2 298.7 360.2 0.00 37 171 12850 -52.5 -83.5 1 31.0 -52.9 143 22 365.7 365.7 299.8 365.7 0.00 38 155 13486 -51.5 -83.5 1 32.0 -52.0 130 14 377.8 377.8 301.9 377.8 0.00 39 150 13700 -49.1 -84.1 1 35.0 -49.8 125 11 385.5 385.5 303.1 385.5 0.00 40 148 13788 -47.9 -82.9 1 35.0 -48.7 124 11 389.0 389.0 303.6 389.0 0.00 41 100 16320 -57.3 -86.3 1 29.0 -57.7 90 7 417.0 417.0 307.4 417.0 0.00 42 96 16578 -57.9 -86.9 1 29.0 -58.3 99 6 420.7 420.7 307.8 420.7 0.00 43 76 18064 -54.9 -86.9 1 32.0 -55.6 152 2 456.1 456.1 311.4 456.1 0.00 44 70 18590 -55.5 -86.5 1 31.0 -56.2 170 1 465.7 465.7 312.3 465.7 0.00 45 50 20720 -58.3 -88.3 1 30.0 -59.0 65 3 506.1 506.1 315.4 506.1 0.00 46 48 20975 -59.5 -88.5 1 29.0 -60.2 70 4 509.2 509.2 315.6 509.2 0.00 47 38 22450 -54.7 -87.7 1 33.0 -56.1 97 11 556.6 556.6 318.5 556.6 0.00 48 30 23960 -54.7 -87.7 1 33.0 -56.3 125 17 595.5 595.5 320.4 595.6 0.01 49 26 24877 -55.7 -87.7 1 32.0 -57.3 114 18 617.6 617.6 321.4 617.6 0.01 50 20 26560 -54.1 -87.1 1 33.0 -56.5 95 19 670.6 670.6 323.4 670.6 0.01 51 10 31070 -48.1 -85.1 1 37.0 -54.4 95 21 840.0 840.0 328.2 840.3 0.03 52 8.6 32070 -45.7 -84.7 0 39.0 -53.7 886.4 886.4 329.1 886.7 0.04 53 8.3 32305 -47.5 -85.5 1 38.0 -54.8 888.3 888.4 329.2 888.6 0.03 54 7.0 33449 -40.3 -81.3 0 41.0 -52.1 962.5 962.5 330.6 963.3 0.08 TRP 238 10712 -56.9 -70.9 15 14.0 -57.1 135 60 326.0 326.0 290.6 326.1 0.01 WND 263 10077 -54.2 -58.5 59 4.3 -54.3 130 83 320.8 320.8 289.0 321.0 0.05 Sounding variables and indices 1000-500 mb thick: 5534.00 m Freezing level: 745.77 mb = 2511.05 m = 8238.25 ft Wetbulb zero: 746.44 mb = 2492.36 m = 8176.93 ft Precipitable water: 0.97 inches Sfc-500 mean rel hum: 76.86 % Est. max temperature: 19.28 C = 66.70 F Sfc-Lift cond lev (LCL): 913.48 mb = 841.85 m = 2761.94 ft T: 10.74 C 700-500 lapse rate: 5.84 C/km ThetaE index: 10.38 C Layer 925.0- 642.0 mb Conv cond level (CCL): 898.44 mb = 979.61 m = 3213.91 ft Mean mixing ratio: 8.46 g/kg Conv temperature: 17.21 C = 62.97 F Cap Strength: 1.25 C Lifted Index: 0.49 C Risk: Showers probable Lifted Index @300 mb: 3.17 C Lifted Index @700 mb: -1.71 C Showalter Index: 1.95 C Risk: Showers probable Total Totals Index: 49.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 24.60 C K Index: 30.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 183.60 Risk: None Energy Index: 0.54 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 100.50 J/kg Max Up Vert Vel: 14.18 m/s Conv Inhibition (B-): 1.83 J/kg Cap Strength: 1.18 C Lift Cond Lev (LCL): 898.06 mb = 983.10 m = 3225.35 ft Lev Free Conv (LFC): 893.06 mb = 1029.38 m = 3377.19 ft Equ Level (EL): 683.06 mb = 3201.58 m = 10503.75 ft B at Equ Level: 82.71 J/kg Max Parcel Lev (MPL): 423.06 mb = 6836.13 m = 22427.97 ft Wind level data Storm motion: 179 at 25 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 ---------------------------------------------------------- 0 984 214 150 19 -9.5 16.5 | 47 13 -9.3 -8.7 1 925 737 160 25 -8.6 23.5 | 79 8 -8.3 -1.6 2 850 1439 160 23 -7.9 21.6 | 65 8 -7.6 -3.5 3 700 3007 170 25 -4.3 24.6 | 83 4 -4.1 -0.5 4 500 5610 135 52 -36.8 36.8 | 108 38 -36.5 11.7 5 400 7240 135 69 -48.8 48.8 | 116 54 -48.6 23.7 6 300 9220 135 75 -53.0 53.0 | 118 60 -52.8 27.9 7 263 10077 130 83 -63.6 53.4 | 114 69 -63.4 28.2 8 250 10400 135 71 -50.2 50.2 | 117 56 -50.0 25.1 9 238 10712 135 60 -42.4 42.4 | 112 46 -42.2 17.3 10 200 11830 165 36 -9.3 34.8 | 137 13 -9.1 9.7 11 150 13700 125 11 -9.0 6.3 | 25 21 -8.8 -18.8 12 100 16320 90 7 -7.0 0.0 | 15 26 -6.8 -25.1 13 70 18590 170 1 -0.2 1.0 | 360 24 0.1 -24.1 14 50 20720 65 3 -2.7 -1.3 | 5 26 -2.5 -26.4 15 30 23960 125 17 -13.9 9.8 | 42 21 -13.7 -15.4 16 20 26560 95 19 -18.9 1.7 | 39 30 -18.7 -23.5 17 10 31070 95 21 -20.9 1.8 | 42 31 -20.7 -23.3 Wind Parameters Mean winds (0-6000m): 149.5 at 33.5 knts Storm direction: 179.5 at 25.1 knts Shear (0-3000m) pos: 1.5 neg: 0.4 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 56.3 deg Storm rel helicity (0-3000m) pos: 20.3 neg: -3.8 tot: 16.5 m^2/s^2 ave: 5.5 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 2.7 stream: 1.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 5.31 Bulk Shear: 18.93 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 ------------------------------------------------------------------------------- 500 155 22 59 10| 7.0 0.0 7.0| 15.1 0.0 15.1 30.2 0.80| 7.0 5.6 1000 158 23 66 9| 3.1 0.0 3.1| 15.2 -2.5 12.7 12.7 0.54| 4.2 2.3 1500 159 23 67 9| 2.1 0.0 2.1| 15.7 -3.8 11.9 7.9 0.43| 3.3 1.4 2000 160 23 67 8| 1.9 0.0 1.9| 16.7 -3.8 12.9 6.5 0.42| 2.8 1.2 2500 161 23 69 8| 1.8 0.0 1.8| 17.6 -3.8 13.8 5.5 0.42| 2.6 1.1 3000 163 24 71 7| 1.5 0.4 2.0| 20.3 -3.8 16.5 5.5 0.46| 2.7 1.3 4000 162 26 86 8| 1.1 1.9 3.1| 25.2 -4.3 20.9 5.2 0.33| 3.7 1.2 5000 156 29 98 12| 0.9 2.9 3.8| 25.2 -25.2 -0.0 -0.0 0.15| 4.4 0.7 6000 149 33 103 17| 0.8 3.4 4.2| 54.3 -45.3 9.1 1.5 0.12| 4.8 0.6 Wrote GIF file: /home/apache/climate/data/raob//LK747/skewt/LK747.skewt.20250418.12.gif