UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011512.upa.cvt Date: 1200Z 15 JAN 26 Searching for LK747... Searching the city database file for: LK747 ... Date:1200Z 15 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 ------------------------------------------------------------------------------- 0 1000 177 90 1 SFC 995 217 -0.3 -1.1 94 0.8 -0.6 90 1 273.2 273.8 272.8 282.8 3.54 2 970 420 -2.1 -2.2 99 0.1 -2.1 135 6 273.4 274.0 272.6 282.5 3.35 3 941 663 1.4 1.0 97 0.4 1.2 189 12 279.4 280.1 277.4 291.4 4.37 4 936 706 3.4 3.2 99 0.2 3.3 199 13 281.8 282.7 279.6 296.1 5.14 5 925 802 3.6 2.2 91 1.4 2.9 220 15 283.0 283.8 279.8 296.5 4.85 6 922 828 4.0 2.4 89 1.6 3.2 222 15 283.7 284.5 280.2 297.5 4.93 7 891 1106 3.4 1.4 87 2.0 2.5 240 13 285.8 286.7 281.0 299.3 4.75 8 869 1309 2.8 2.0 94 0.8 2.4 253 12 287.3 288.1 282.0 301.7 5.09 9 850 1488 1.4 1.4 100 0.0 1.4 265 11 287.6 288.5 282.1 301.8 4.98 10 700 3026 -7.5 -8.6 92 1.1 -7.9 275 17 294.2 294.7 282.5 302.7 2.85 11 638 3742 -11.5 -13.5 85 2.0 -12.1 275 19 297.5 297.9 283.0 304.0 2.11 12 582 4438 -16.7 -17.6 93 0.9 -16.9 275 20 299.4 299.7 283.2 304.6 1.65 13 500 5560 -24.7 -27.5 77 2.8 -25.2 275 23 302.9 303.1 283.6 305.6 0.80 14 499 5575 -24.9 -27.9 76 3.0 -25.4 275 23 302.9 303.0 283.5 305.4 0.77 15 438 6512 -31.9 -33.8 83 1.9 -32.1 263 24 305.5 305.6 284.2 307.2 0.50 16 400 7150 -36.1 -38.5 78 2.4 -36.3 255 25 308.1 308.1 285.1 309.3 0.34 17 381 7486 -38.3 -41.5 72 3.2 -38.5 253 29 309.5 309.5 285.5 310.4 0.26 18 339 8278 -45.5 -50.0 60 4.5 -45.7 249 39 310.2 310.2 285.5 310.6 0.12 19 336 8337 -46.1 -48.7 75 2.6 -46.2 249 40 310.2 310.2 285.5 310.7 0.14 20 300 9080 -52.7 -56.7 62 4.0 -52.8 245 50 311.1 311.1 285.8 311.3 0.06 21 296 9166 -53.5 -57.1 65 3.6 -53.6 245 52 311.1 311.1 285.8 311.3 0.06 22 284 9429 -55.1 -59.8 56 4.7 -55.2 247 57 312.5 312.5 286.3 312.7 0.04 23 278 9564 -55.7 -66.7 24 11.0 -55.8 248 60 313.6 313.6 286.6 313.7 0.02 24 270 9748 -56.9 -61.0 60 4.1 -57.0 249 64 314.5 314.5 286.9 314.6 0.04 25 261 9961 -58.2 -64.0 47 5.8 -58.2 250 69 315.7 315.7 287.3 315.8 0.03 26 260 9985 -58.3 -64.3 46 6.0 -58.4 251 69 315.8 315.8 287.4 315.9 0.03 27 252 10180 -58.5 -68.5 27 10.0 -58.6 258 68 318.4 318.4 288.2 318.4 0.01 28 250 10230 -58.7 -68.7 26 10.0 -58.8 260 68 318.8 318.8 288.3 318.9 0.01 29 231 10726 -61.1 -73.1 19 12.0 -61.2 255 48 322.4 322.4 289.5 322.5 0.01 30 203 11536 -58.5 -80.5 4 22.0 -58.7 259 35 338.7 338.7 294.0 338.7 0.00 31 200 11630 -58.5 -80.5 4 22.0 -58.7 260 33 340.1 340.1 294.3 340.1 0.00 32 178 12366 -55.9 -82.9 2 27.0 -56.2 266 34 355.9 355.9 297.9 355.9 0.00 33 150 13450 -57.3 -84.3 2 27.0 -57.6 275 36 371.4 371.4 300.8 371.4 0.00 34 100 16000 -58.5 -86.5 2 28.0 -58.9 290 21 414.7 414.7 307.1 414.7 0.00 35 70 18240 -60.3 -87.3 2 27.0 -60.7 280 23 455.4 455.4 311.4 455.4 0.00 36 50 20330 -62.5 -89.5 1 27.0 -62.9 275 27 496.2 496.2 314.7 496.2 0.00 37 46 20843 -63.1 -90.1 1 27.0 -63.5 278 28 506.7 506.7 315.4 506.7 0.00 38 42 21406 -59.9 -89.9 1 30.0 -60.6 282 28 528.0 528.0 316.8 528.0 0.00 39 31 23305 -59.1 -90.1 1 31.0 -60.1 294 31 578.1 578.1 319.6 578.1 0.00 40 30 23510 -59.3 -90.3 1 31.0 -60.3 295 31 583.0 583.0 319.8 583.0 0.00 41 26 24407 -58.9 -90.9 1 32.0 -60.1 286 32 608.5 608.5 321.0 608.5 0.00 42 21 25766 -53.1 -89.1 0 36.0 -55.6 273 35 664.3 664.3 323.2 664.3 0.01 43 20 26080 -53.1 -89.1 0 36.0 -55.8 270 35 673.6 673.6 323.6 673.7 0.01 44 15 27941 -53.7 -89.7 0 36.0 -56.8 274 53 729.4 729.4 325.3 729.5 0.01 45 10 30580 -49.7 -87.7 0 38.0 -55.4 280 79 834.0 834.0 328.0 834.2 0.02 46 9.6 30848 -48.3 -87.3 0 39.0 -54.6 849.1 849.1 328.4 849.3 0.02 47 8.0 32072 -39.5 -80.5 0 41.0 -51.1 929.6 929.6 330.0 930.4 0.08 TRP 231 10726 -61.1 -73.1 19 12.0 -61.2 255 48 322.4 322.4 289.5 322.5 0.01 WND 261 9961 -58.2 -64.0 47 5.8 -58.2 250 69 315.7 315.7 287.3 315.8 0.03 Sounding variables and indices 1000-500 mb thick: 5383.00 m Freezing level: Surface below freezing Freezing level: 952.60 mb = 565.86 m = 1856.46 ft Freezing level: 826.40 mb = 1729.93 m = 5675.56 ft Wetbulb zero: Below ground Precipitable water: 0.67 inches Sfc-500 mean rel hum: 91.14 % Est. max temperature: 14.25 C = 57.65 F Sfc-Lift cond lev (LCL): 982.62 mb = 317.01 m = 1040.06 ft T: -1.19 C 700-500 lapse rate: 6.79 C/km ThetaE index: 0.32 C Layer 970.0- 941.0 mb Conv cond level (CCL): 995.00 mb = 217.12 m = 712.33 ft Mean mixing ratio: 4.24 g/kg Conv temperature: 1.36 C = 34.45 F Cap Strength: 9.47 C Lifted Index: 10.96 C Risk: None Lifted Index @300 mb: 14.43 C Lifted Index @700 mb: 7.60 C Showalter Index: 3.02 C Risk: None Total Totals Index: 52.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 26.10 C K Index: 26.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 125.80 Risk: None Energy Index: 0.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 64.72 J/kg Max Up Vert Vel: 11.38 m/s Conv Inhibition (B-): 61566.12 J/kg Cap Strength: 10.86 C Lift Cond Lev (LCL): 933.47 mb = 728.03 m = 2388.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 299 at 13 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 ---------------------------------------------------------- 0 995 217 90 1 -1.0 0.0 | 117 14 -12.2 6.1 1 925 802 220 15 9.6 11.5 | 175 18 -1.5 17.6 2 850 1488 265 11 11.0 1.0 | 178 7 -0.2 7.1 3 700 3026 275 17 16.9 -1.5 | 231 7 5.8 4.6 4 500 5560 275 23 22.9 -2.0 | 251 12 11.7 4.1 5 400 7150 255 25 24.1 6.5 | 226 18 13.0 12.6 6 300 9080 245 50 45.3 21.1 | 231 44 34.1 27.3 7 261 9961 250 69 64.8 23.6 | 241 61 53.7 29.7 8 250 10230 260 68 67.0 11.8 | 252 59 55.8 17.9 9 231 10726 255 48 46.4 12.4 | 242 40 35.2 18.5 10 200 11630 260 33 32.5 5.7 | 241 24 21.3 11.9 11 150 13450 275 36 35.9 -3.1 | 263 25 24.7 3.0 12 100 16000 290 21 19.7 -7.2 | 277 9 8.6 -1.1 13 70 18240 280 23 22.7 -4.0 | 260 12 11.5 2.1 14 50 20330 275 27 26.9 -2.4 | 257 16 15.7 3.8 15 30 23510 295 31 28.1 -13.1 | 292 18 16.9 -7.0 16 20 26080 270 35 35.0 -0.0 | 256 25 23.8 6.1 17 10 30580 280 79 77.8 -13.7 | 277 67 66.6 -7.6 Wind Parameters Mean winds (0-6000m): 268.7 at 17.0 knts Storm direction: 298.7 at 12.7 knts Shear (0-3000m) pos: 3.2 neg: 0.0 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 116.8 deg Storm rel helicity (0-3000m) pos: 116.5 neg: -1.0 tot: 115.6 m^2/s^2 ave: 38.5 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 4.7 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 2.67 Bulk Shear: 24.26 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 ------------------------------------------------------------------------------- 500 219 7 149 13| 13.7 0.0 13.7| 74.4 0.0 74.4 148.7 0.79| 19.0 15.1 1000 226 10 164 14| 6.9 0.0 6.9|104.5 0.0 104.5 104.5 0.70| 15.6 10.9 1500 237 11 170 12| 4.4 0.0 4.4|106.0 -1.0 105.0 70.0 0.62| 12.1 7.4 2000 246 11 176 11| 3.8 0.0 3.8|109.7 -1.0 108.7 54.4 0.64| 9.6 6.1 2500 253 12 182 10| 3.5 0.0 3.5|113.5 -1.0 112.6 45.0 0.66| 8.1 5.3 3000 259 13 189 9| 3.2 0.0 3.2|116.5 -1.0 115.6 38.5 0.67| 7.1 4.7 4000 264 14 202 8| 2.4 0.3 2.7|119.8 -1.0 118.8 29.7 0.66| 5.6 3.7 5000 268 16 213 8| 1.9 0.5 2.4|123.0 -1.0 122.0 24.4 0.65| 4.7 3.1 6000 269 17 222 9| 1.6 0.6 2.2|123.9 -10.4 113.6 18.9 0.55| 4.3 2.4 Wrote GIF file: /home/apache/climate/data/raob//LK747/skewt/LK747.skewt.20260115.12.gif