UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011812.upa.cvt Date: 1200Z 18 JAN 26 Searching for U4947... Searching the city database file for: U4947 ... Date:1200Z 18 JAN 26 Station: U4947 WMO ident: 24947 ------------------------------------------------------------------------------- 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 1025 137 -26.9 -32.9 57 6.0 -27.3 265 1 244.5 244.6 244.2 245.2 0.23 1 1000 314 -28.9 -33.9 62 5.0 -29.2 265 3 244.2 244.3 243.9 244.8 0.22 2 954 649 -31.3 -36.3 61 5.0 -31.6 304 5 245.1 245.2 244.6 245.6 0.18 3 946 709 -30.5 -35.5 62 5.0 -30.8 311 6 246.5 246.6 246.0 247.1 0.20 4 944 724 -28.5 -33.5 62 5.0 -28.8 313 6 248.7 248.8 248.0 249.4 0.24 5 928 847 -24.7 -29.6 64 4.9 -25.2 327 7 253.8 253.9 252.8 254.8 0.35 6 925 871 -24.7 -29.5 64 4.8 -25.1 330 7 254.1 254.1 253.0 255.0 0.36 7 918 927 -24.7 -29.2 66 4.5 -25.1 334 8 254.6 254.7 253.5 255.6 0.37 8 905 1032 -21.7 -25.6 71 3.9 -22.2 343 10 258.7 258.8 257.2 260.2 0.53 9 870 1326 -20.3 -23.4 76 3.1 -20.7 6 16 263.1 263.2 261.0 265.0 0.67 10 859 1422 -20.7 -23.7 77 3.0 -21.1 14 18 263.7 263.8 261.4 265.5 0.66 11 850 1500 -21.7 -24.7 77 3.0 -22.1 20 19 263.4 263.5 261.1 265.1 0.61 12 800 1941 -25.7 -28.9 74 3.2 -26.1 29 15 263.8 263.8 261.0 265.0 0.44 13 788 2050 -23.1 -26.3 75 3.2 -23.5 32 14 267.7 267.8 264.1 269.3 0.57 14 700 2908 -26.1 -29.8 71 3.7 -26.5 50 7 273.6 273.7 268.0 275.0 0.46 15 666 3266 -28.3 -32.1 70 3.8 -28.7 55 7 275.0 275.1 268.8 276.2 0.39 16 500 5250 -45.1 -49.2 63 4.1 -45.2 85 9 278.1 278.1 270.1 278.3 0.09 17 440 6088 -51.5 -55.6 61 4.1 -51.6 102 15 280.3 280.3 271.4 280.5 0.05 18 400 6700 -54.7 -58.9 60 4.2 -54.8 115 19 283.9 283.9 273.5 284.0 0.03 19 364 7300 -58.1 -62.4 58 4.3 -58.2 117 20 287.1 287.1 275.2 287.2 0.02 20 301 8489 -61.7 -65.8 58 4.1 -61.7 120 21 298.1 298.1 280.5 298.2 0.02 21 300 8510 -61.9 -66.0 58 4.1 -61.9 120 21 298.1 298.1 280.5 298.2 0.02 22 266 9254 -59.5 -63.8 57 4.3 -59.6 133 22 312.0 312.0 286.1 312.1 0.03 23 250 9640 -59.7 -63.9 58 4.2 -59.7 140 23 317.3 317.3 287.9 317.4 0.03 24 200 11040 -58.7 -63.3 55 4.6 -58.8 140 23 339.8 339.8 294.3 340.0 0.04 25 150 12860 -56.9 -62.9 47 6.0 -57.1 150 29 372.0 372.1 300.9 372.3 0.05 26 100 15420 -57.9 -65.9 35 8.0 -58.2 165 36 415.9 415.9 307.3 416.1 0.05 27 86 16371 -57.7 -65.7 35 8.0 -58.0 171 43 434.6 434.6 309.4 434.9 0.06 28 82 16673 -55.3 -64.3 32 9.0 -55.7 173 45 445.5 445.5 310.4 445.9 0.08 29 70 17680 -56.5 -66.5 27 10.0 -57.0 180 52 463.5 463.5 312.1 463.9 0.07 30 58 18865 -60.3 -70.3 26 10.0 -60.7 180 65 480.5 480.6 313.5 480.8 0.05 31 50 19800 -56.3 -67.3 24 11.0 -57.0 180 75 510.8 510.8 315.7 511.4 0.09 32 49 19928 -56.1 -67.1 24 11.0 -56.8 180 76 514.2 514.3 315.9 514.8 0.09 33 43 20748 -60.7 -71.7 22 11.0 -61.2 180 80 522.5 522.5 316.5 522.9 0.06 34 41 21046 -57.1 -69.1 20 12.0 -57.9 180 81 538.6 538.7 317.5 539.2 0.08 35 30 23000 -61.5 -73.5 19 12.0 -62.1 180 91 577.0 577.0 319.5 577.4 0.06 36 29 23211 -61.5 -73.5 19 12.0 -62.1 180 92 582.6 582.6 319.8 583.1 0.06 37 26 23890 -60.9 -73.9 16 13.0 -61.7 180 96 602.8 602.8 320.7 603.3 0.07 38 25 24136 -57.3 -70.3 18 13.0 -58.5 180 97 619.9 620.0 321.5 620.8 0.12 39 23 24661 -59.5 -72.5 17 13.0 -60.5 180 100 628.4 628.5 321.9 629.1 0.09 40 20 25540 -57.9 -70.9 17 13.0 -59.3 180 104 658.9 659.0 323.0 660.0 0.13 41 16 26956 -55.1 -69.1 16 14.0 -57.3 711.5 711.6 324.8 713.4 0.22 42 12 28788 -56.5 -70.5 16 14.0 -58.9 767.6 767.7 326.5 769.8 0.24 TRP 301 8489 -61.7 -65.8 58 4.1 -61.7 120 21 298.1 298.1 280.5 298.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 4936.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 68.81 % Est. max temperature: -8.81 C = 16.15 F Sfc-Lift cond lev (LCL): 926.42 mb = 859.81 m = 2820.85 ft T: -24.70 C 700-500 lapse rate: 8.11 C/km ThetaE index: 0.50 C Layer 850.0- 788.0 mb Conv cond level (CCL): 550.74 mb = 4581.20 m = 15030.01 ft Mean mixing ratio: 0.23 g/kg Conv temperature: 6.00 C = 42.80 F Cap Strength: 25.23 C Lifted Index: 25.66 C Risk: None Lifted Index @300 mb: 36.34 C Lifted Index @700 mb: 24.33 C Showalter Index: 10.72 C Risk: None Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 20.40 C K Index: -5.00 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 2.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.12 J/kg Max Up Vert Vel: 8.14 m/s Conv Inhibition (B-): 71525.81 J/kg Cap Strength: 25.70 C Lift Cond Lev (LCL): 896.00 mb = 1106.82 m = 3631.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 80 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 1025 137 265 1 1.0 0.1 | 261 8 8.2 1.3 1 1000 314 265 3 3.0 0.3 | 262 10 10.2 1.5 2 925 871 330 7 3.5 -6.1 | 294 12 10.8 -4.8 3 850 1500 20 19 -6.5 -17.9 | 357 17 0.8 -16.6 4 700 2908 50 7 -5.4 -4.5 | 330 4 1.9 -3.2 5 500 5250 85 9 -9.0 -0.8 | 106 2 -1.7 0.5 6 400 6700 115 19 -17.2 8.0 | 133 14 -10.0 9.3 7 301 8489 120 21 -18.2 10.5 | 137 16 -10.9 11.8 8 300 8510 120 21 -18.2 10.5 | 137 16 -10.9 11.8 9 250 9640 140 23 -14.8 17.6 | 158 20 -7.5 18.9 10 200 11040 140 23 -14.8 17.6 | 158 20 -7.5 18.9 11 150 12860 150 29 -14.5 25.1 | 165 27 -7.2 26.4 12 100 15420 165 36 -9.3 34.8 | 177 36 -2.1 36.0 13 70 17680 180 52 0.0 52.0 | 188 54 7.3 53.3 14 50 19800 180 75 0.0 75.0 | 185 77 7.3 76.3 15 30 23000 180 91 0.0 91.0 | 184 93 7.3 92.3 16 20 25540 180 104 0.0 104.0 | 184 106 7.3 105.3 Wind Parameters Mean winds (0-6000m): 50.1 at 9.8 knts Storm direction: 80.1 at 7.4 knts Shear (0-3000m) pos: 1.4 neg: 0.0 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 73.3 deg Storm rel helicity (0-3000m) pos: 85.1 neg: -4.0 tot: 81.1 m^2/s^2 ave: 27.0 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 3.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.70 Bulk Shear: 19.46 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 ------------------------------------------------------------------------------- 500 284 3 268 11| 4.7 0.0 4.7| 9.8 0.0 9.8 19.7 0.60| 5.7 3.4 1000 324 6 287 11| 6.2 0.0 6.2| 40.2 0.0 40.2 40.2 0.83| 7.7 6.4 1500 358 9 316 11| 6.3 0.0 6.3| 82.7 0.0 82.7 55.1 0.86| 9.1 7.9 2000 9 11 329 11| 3.7 0.0 3.7| 84.9 0.0 84.9 42.4 0.74| 8.2 6.1 2500 15 11 334 10| 2.1 0.0 2.1| 84.9 -2.1 82.8 33.1 0.61| 7.5 4.6 3000 18 10 335 10| 1.4 0.0 1.4| 85.1 -4.0 81.1 27.0 0.53| 6.8 3.6 4000 27 10 339 8| 1.2 0.0 1.2| 86.0 -4.0 82.0 20.5 0.54| 5.4 2.9 5000 37 9 346 6| 1.0 0.0 1.0| 86.8 -4.0 82.8 16.6 0.56| 4.5 2.5 6000 50 10 3 5| 1.4 0.0 1.4| 89.4 -4.0 85.3 14.2 0.51| 4.4 2.3 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20260118.12.gif