UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011800.upa.cvt Date: 0000Z 18 JAN 26 Searching for LK747... Searching the city database file for: LK747 ... Date:0000Z 18 JAN 26 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 ------------------------------------------------------------------------------- SFC 1005 217 -3.3 -3.3 100 0.0 -3.3 0 0 269.5 270.0 269.6 277.5 2.98 1 1004 225 -1.1 -1.1 100 0.0 -1.1 0 0 271.7 272.3 271.8 281.2 3.51 2 1000 257 0.8 -0.4 92 1.2 0.3 0 0 274.0 274.6 273.5 284.0 3.71 3 991 330 2.4 -0.6 81 3.0 1.1 19 3 276.3 276.9 274.8 286.4 3.69 4 925 883 -0.5 -7.5 59 7.0 -3.0 160 25 278.8 279.2 274.2 285.4 2.35 5 922 909 -0.5 -6.5 64 6.0 -2.7 159 25 279.1 279.5 274.7 286.2 2.54 6 913 988 -0.3 -16.3 29 16.0 -4.8 157 24 280.0 280.2 273.2 283.5 1.17 7 907 1040 -0.7 -6.7 64 6.0 -2.9 155 24 280.2 280.6 275.3 287.4 2.55 8 905 1058 -0.3 -11.3 43 11.0 -3.8 155 23 280.8 281.1 274.5 285.9 1.78 9 902 1085 0.0 -4.2 73 4.2 -1.6 154 23 281.3 281.9 276.7 290.1 3.10 10 897 1129 1.0 -3.7 71 4.7 -0.9 153 23 282.8 283.4 277.6 292.0 3.24 11 878 1301 -0.5 -3.9 78 3.4 -1.9 148 21 283.0 283.5 277.7 292.2 3.26 12 850 1560 -1.3 -5.8 71 4.5 -3.0 140 19 284.8 285.3 278.2 293.2 2.91 13 840 1654 -1.9 -6.3 72 4.4 -3.6 140 20 285.1 285.6 278.3 293.3 2.84 14 822 1827 -1.1 -27.1 12 26.0 -7.0 141 21 287.7 287.8 276.3 289.3 0.50 15 818 1865 -0.9 -22.9 17 22.0 -6.5 141 21 288.4 288.5 277.0 290.7 0.74 16 708 3008 -5.3 -31.3 11 26.0 -10.6 145 28 295.7 295.7 280.0 297.0 0.39 17 700 3097 -5.9 -31.9 11 26.0 -11.1 145 29 296.0 296.0 280.1 297.2 0.38 18 639 3805 -10.3 -49.3 2 39.0 -15.0 140 27 298.8 298.8 280.9 299.0 0.07 19 500 5640 -25.7 -46.7 12 21.0 -27.5 125 23 301.7 301.7 282.2 302.1 0.11 20 451 6376 -32.1 -50.1 15 18.0 -33.2 109 24 302.7 302.7 282.6 303.0 0.09 21 406 7108 -37.7 -59.7 8 22.0 -38.5 92 25 304.7 304.7 283.3 304.8 0.03 22 400 7210 -38.1 -56.1 13 18.0 -38.8 90 25 305.5 305.5 283.7 305.7 0.05 23 331 8480 -49.9 -55.9 49 6.0 -50.1 93 29 306.3 306.3 284.0 306.5 0.06 24 316 8783 -50.9 -67.9 12 17.0 -51.1 94 30 309.0 309.0 284.9 309.0 0.01 25 301 9098 -52.3 -69.3 11 17.0 -52.5 95 31 311.3 311.3 285.8 311.4 0.01 26 300 9120 -52.3 -69.3 11 17.0 -52.5 95 31 311.6 311.6 285.9 311.7 0.01 27 250 10280 -59.1 -72.1 17 13.0 -59.2 80 29 318.2 318.2 288.2 318.2 0.01 28 232 10747 -61.3 -73.3 19 12.0 -61.4 95 29 321.7 321.7 289.3 321.8 0.01 29 200 11670 -61.3 -79.3 7 18.0 -61.4 60 19 335.7 335.7 293.2 335.7 0.00 30 180 12323 -62.3 -82.3 5 20.0 -62.4 20 14 344.3 344.3 295.4 344.3 0.00 31 150 13460 -58.7 -84.7 2 26.0 -58.9 310 5 368.9 368.9 300.4 369.0 0.00 32 132 14259 -58.5 -85.5 2 27.0 -58.7 297 9 383.0 383.0 302.8 383.1 0.00 33 100 15990 -60.5 -86.5 2 26.0 -60.8 270 19 410.8 410.8 306.6 410.8 0.00 34 75 17775 -60.7 -87.7 2 27.0 -61.0 262 32 445.6 445.6 310.4 445.7 0.00 35 71 18113 -63.3 -88.3 2 25.0 -63.6 260 34 447.1 447.1 310.6 447.2 0.00 36 70 18200 -60.7 -88.7 1 28.0 -61.1 260 35 454.5 454.5 311.3 454.5 0.00 37 69 18290 -59.3 -87.3 1 28.0 -59.7 259 35 459.4 459.4 311.7 459.4 0.00 38 66 18570 -59.1 -87.1 1 28.0 -59.6 257 34 465.7 465.7 312.3 465.7 0.00 39 58 19374 -63.3 -89.3 2 26.0 -63.6 249 31 473.8 473.8 313.0 473.8 0.00 40 50 20290 -62.9 -88.9 2 26.0 -63.3 240 27 495.3 495.3 314.6 495.3 0.00 41 43 21213 -64.9 -89.9 2 25.0 -65.3 241 33 512.2 512.2 315.8 512.2 0.00 42 31 23235 -59.1 -89.1 1 30.0 -60.1 245 47 578.1 578.1 319.6 578.1 0.00 43 30 23440 -59.7 -88.7 1 29.0 -60.6 245 48 581.9 581.9 319.8 581.9 0.00 44 27 24097 -60.1 -89.1 1 29.0 -61.1 248 52 598.6 598.6 320.6 598.6 0.01 45 23 25103 -57.3 -88.3 1 31.0 -58.9 252 58 634.9 634.9 322.1 634.9 0.01 46 22 25387 -53.7 -87.7 1 34.0 -56.1 253 60 653.7 653.7 322.8 653.8 0.01 47 20 26000 -52.7 -86.7 1 34.0 -55.5 255 64 674.9 674.9 323.6 674.9 0.01 48 19 26333 -50.1 -86.1 1 36.0 -53.7 692.9 692.9 324.2 693.0 0.01 49 14 28343 -46.9 -83.9 1 37.0 -52.5 767.0 767.0 326.4 767.2 0.02 50 11 29936 -48.3 -86.3 0 38.0 -54.2 816.7 816.7 327.7 816.9 0.02 TRP 232 10747 -61.3 -73.3 19 12.0 -61.4 95 29 321.7 321.7 289.3 321.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5383.00 m Freezing level: Surface below freezing Freezing level: 1001.68 mb = 243.59 m = 799.18 ft Freezing level: 936.38 mb = 787.61 m = 2583.99 ft Freezing level: 902.00 mb = 1084.58 m = 3558.28 ft Freezing level: 884.33 mb = 1243.76 m = 4080.52 ft Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 25.94 % Est. max temperature: 11.71 C = 53.09 F Sfc-Lift cond lev (LCL): 1004.78 mb = 219.03 m = 718.60 ft T: -2.81 C 700-500 lapse rate: 7.79 C/km ThetaE index: 3.96 C Layer 822.0- 818.0 mb Conv cond level (CCL): 651.15 mb = 3659.05 m = 12004.62 ft Mean mixing ratio: 2.88 g/kg Conv temperature: 25.47 C = 77.84 F Cap Strength: 13.88 C Lifted Index: 13.89 C Risk: None Lifted Index @300 mb: 18.52 C Lifted Index @700 mb: 12.71 C Showalter Index: 8.15 C Risk: None Total Totals Index: 44.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.40 C Cross Totals Index: 19.90 C K Index: -7.40 Risk: None Sweat Index: 61.00 Risk: None Energy Index: 1.98 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.92 J/kg Max Up Vert Vel: 5.28 m/s Conv Inhibition (B-): 51549.65 J/kg Cap Strength: 13.90 C Lift Cond Lev (LCL): 880.99 mb = 1273.71 m = 4178.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 169 at 17 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 1005 217 0 0 -0.0 -0.0 | 349 17 3.3 -17.1 1 1000 257 0 0 -0.0 -0.0 | 349 17 3.3 -17.1 2 925 883 160 25 -8.6 23.5 | 140 8 -5.2 6.4 3 850 1560 140 19 -12.2 14.6 | 74 9 -8.9 -2.6 4 700 3097 145 29 -16.6 23.8 | 116 15 -13.3 6.6 5 500 5640 125 23 -18.8 13.2 | 76 16 -15.5 -3.9 6 400 7210 90 25 -25.0 0.0 | 52 28 -21.7 -17.1 7 300 9120 95 31 -30.9 2.7 | 62 31 -27.6 -14.4 8 250 10280 80 29 -28.6 -5.0 | 49 34 -25.2 -22.2 9 232 10747 95 29 -28.9 2.5 | 60 29 -25.6 -14.6 10 200 11670 60 19 -16.5 -9.5 | 26 30 -13.1 -26.6 11 150 13460 310 5 3.8 -3.2 | 341 22 7.1 -20.4 12 100 15990 270 19 19.0 -0.0 | 308 28 22.3 -17.1 13 70 18200 260 35 34.5 6.1 | 286 39 37.8 -11.1 14 50 20290 240 27 23.4 13.5 | 278 27 26.7 -3.6 15 30 23440 245 48 43.5 20.3 | 266 47 46.8 3.1 16 20 26000 255 64 61.8 16.6 | 271 65 65.1 -0.6 Wind Parameters Mean winds (0-6000m): 139.1 at 23.3 knts Storm direction: 169.1 at 17.5 knts Shear (0-3000m) pos: 5.3 neg: 0.7 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 125.2 deg Storm rel helicity (0-3000m) pos: 187.5 neg: -20.3 tot: 167.2 m^2/s^2 ave: 55.7 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 10.9 stream: 6.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.43 Bulk Shear: 32.68 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 ------------------------------------------------------------------------------- 500 118 8 18 14| 18.9 0.0 18.9|123.0 0.0 123.0 246.0 0.86| 28.0 24.2 1000 158 16 44 4| 11.3 0.0 11.3|163.3 -9.3 154.0 154.0 0.70| 25.1 17.7 1500 153 17 68 5| 7.6 1.4 8.9|164.9 -18.5 146.4 97.6 0.57| 18.5 10.6 2000 149 18 77 6| 6.5 1.0 7.6|172.9 -18.5 154.4 77.2 0.59| 14.8 8.7 2500 148 20 86 7| 5.9 0.8 6.7|181.2 -18.5 162.7 65.1 0.60| 12.5 7.5 3000 147 21 94 8| 5.3 0.7 6.0|187.5 -20.3 167.2 55.7 0.59| 10.9 6.5 4000 145 23 98 10| 4.0 1.1 5.1|187.5 -37.9 149.7 37.4 0.49| 8.8 4.3 5000 142 23 97 11| 3.2 1.3 4.5|187.5 -54.7 132.9 26.6 0.40| 7.4 3.0 6000 139 23 92 12| 2.6 1.6 4.3|187.5 -76.1 111.5 18.6 0.31| 6.8 2.1 Wrote GIF file: /home/apache/climate/data/raob//LK747/skewt/LK747.skewt.20260118.00.gif