UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011912.upa.cvt Date: 1200Z 19 JAN 26 Searching for U4947... Searching the city database file for: U4947 ... Date:1200Z 19 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 1027 135 -29.9 -34.1 67 4.2 -30.2 0 0 241.4 241.4 241.2 242.0 0.21 1 1000 325 -30.5 -34.5 68 4.0 -30.7 290 3 242.6 242.7 242.4 243.2 0.20 2 943 739 -33.5 -37.8 65 4.3 -33.7 305 6 243.7 243.7 243.3 244.1 0.16 3 932 822 -31.9 -36.2 66 4.3 -32.1 308 7 246.2 246.2 245.6 246.7 0.19 4 929 845 -28.9 -33.3 66 4.4 -29.2 309 7 249.4 249.5 248.7 250.1 0.25 5 925 876 -25.3 -29.6 67 4.3 -25.7 310 7 253.4 253.5 252.5 254.4 0.36 6 922 900 -24.7 -29.0 67 4.3 -25.1 310 7 254.3 254.3 253.2 255.3 0.38 7 850 1493 -24.1 -27.1 76 3.0 -24.4 315 9 260.9 261.0 258.9 262.3 0.49 8 818 1773 -23.5 -26.6 76 3.1 -23.9 339 9 264.4 264.5 261.7 265.9 0.53 9 704 2863 -26.7 -30.1 73 3.4 -27.1 71 9 272.5 272.5 267.2 273.8 0.45 10 700 2904 -26.9 -30.4 72 3.5 -27.3 75 9 272.7 272.8 267.4 274.0 0.44 11 622 3744 -33.7 -37.5 69 3.8 -34.0 101 16 274.3 274.3 268.0 275.0 0.24 12 604 3950 -32.5 -36.2 70 3.7 -32.8 108 18 278.0 278.0 270.5 278.9 0.29 13 500 5260 -40.3 -44.2 66 3.9 -40.5 150 29 283.9 283.9 273.7 284.4 0.15 14 440 6117 -46.3 -50.1 65 3.8 -46.4 159 41 286.9 286.9 275.2 287.2 0.09 15 400 6740 -51.5 -55.4 63 3.9 -51.6 165 50 288.1 288.1 275.7 288.2 0.05 16 340 7777 -60.3 -64.3 59 4.0 -60.3 168 63 289.8 289.8 276.6 289.9 0.02 17 300 8550 -65.1 -69.0 59 3.8 -65.1 170 73 293.5 293.5 278.4 293.6 0.01 18 291 8734 -66.3 -70.1 59 3.8 -66.3 170 73 294.4 294.4 278.9 294.5 0.01 19 287 8817 -66.5 -70.3 59 3.8 -66.5 170 70 295.3 295.3 279.3 295.3 0.01 20 250 9650 -65.7 -69.7 57 4.0 -65.7 170 40 308.4 308.4 284.7 308.4 0.01 21 236 10002 -65.3 -69.3 57 4.0 -65.3 165 37 314.1 314.1 286.8 314.2 0.01 22 200 11020 -62.5 -66.7 57 4.2 -62.6 150 27 333.8 333.8 292.7 333.9 0.02 23 167 12140 -59.7 -64.1 56 4.4 -59.8 153 28 356.1 356.1 298.0 356.3 0.04 24 150 12810 -60.3 -64.6 57 4.3 -60.4 155 29 366.2 366.2 299.9 366.4 0.04 25 100 15330 -61.9 -66.9 51 5.0 -62.0 155 33 408.1 408.1 306.3 408.4 0.05 26 70 17520 -64.1 -70.1 44 6.0 -64.3 165 50 447.3 447.3 310.6 447.5 0.04 27 50 19590 -63.1 -69.1 44 6.0 -63.3 170 68 494.8 494.8 314.6 495.2 0.07 28 36 21603 -64.7 -72.7 32 8.0 -65.0 539.4 539.4 317.5 539.8 0.06 TRP 291 8734 -66.3 -70.1 59 3.8 -66.3 170 73 294.4 294.4 278.9 294.5 0.01 WND 300 8550 -65.1 -69.0 59 3.8 -65.1 170 73 293.5 293.5 278.4 293.6 0.01 Sounding variables and indices 1000-500 mb thick: 4935.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 70.36 % Est. max temperature: -12.84 C = 8.89 F Sfc-Lift cond lev (LCL): 956.37 mb = 639.97 m = 2099.61 ft T: -32.78 C 700-500 lapse rate: 5.69 C/km ThetaE index: 0.00 C Layer 1027.0- 0.0 mb Conv cond level (CCL): 477.15 mb = 5573.48 m = 18285.48 ft Mean mixing ratio: 0.19 g/kg Conv temperature: 14.04 C = 57.27 F Cap Strength: 29.53 C Lifted Index: 32.81 C Risk: None Lifted Index @300 mb: 35.17 C Lifted Index @700 mb: 26.11 C Showalter Index: 17.81 C Risk: None Total Totals Index: 29.40 C Risk: None Vertical Totals Index: 16.20 C Cross Totals Index: 13.20 C K Index: -14.40 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 4.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.80 J/kg Max Up Vert Vel: 5.25 m/s Conv Inhibition (B-): 48718.59 J/kg Cap Strength: 32.79 C Lift Cond Lev (LCL): 910.48 mb = 991.39 m = 3252.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 171 at 12 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 1027 135 0 0 -0.0 -0.0 | 351 12 1.9 -12.0 1 1000 325 290 3 2.8 -1.0 | 340 14 4.7 -13.0 2 925 876 310 7 5.4 -4.5 | 336 18 7.3 -16.5 3 850 1493 315 9 6.4 -6.4 | 336 20 8.3 -18.3 4 700 2904 75 9 -8.7 -2.3 | 25 16 -6.8 -14.3 5 500 5260 150 29 -14.5 25.1 | 136 18 -12.6 13.1 6 400 6740 165 50 -12.9 48.3 | 163 38 -11.0 36.3 7 300 8550 170 73 -12.7 71.9 | 170 61 -10.8 59.9 8 291 8734 170 73 -12.7 71.9 | 170 61 -10.8 59.9 9 250 9650 170 40 -6.9 39.4 | 170 28 -5.0 27.4 10 200 11020 150 27 -13.5 23.4 | 135 16 -11.6 11.4 11 150 12810 155 29 -12.3 26.3 | 144 18 -10.3 14.3 12 100 15330 155 33 -13.9 29.9 | 146 22 -12.0 17.9 13 70 17520 165 50 -12.9 48.3 | 163 38 -11.0 36.3 14 50 19590 170 68 -11.8 67.0 | 170 56 -9.9 55.0 Wind Parameters Mean winds (0-6000m): 140.9 at 16.2 knts Storm direction: 170.9 at 12.1 knts Shear (0-3000m) pos: 2.6 neg: 0.9 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 42.8 deg Storm rel helicity (0-3000m) pos: 100.3 neg: -13.8 tot: 86.5 m^2/s^2 ave: 28.8 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.29 Bulk Shear: 48.02 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 ------------------------------------------------------------------------------- 500 296 3 340 14| 0.0 5.4 5.4| 0.0 -12.7 -12.7 -25.3 -0.59| 6.0 -3.6 1000 306 5 338 16| 1.5 2.7 4.2| 0.0 -13.5 -13.5 -13.5 -0.42| 4.5 -1.9 1500 310 6 338 17| 1.7 1.8 3.5| 9.8 -13.8 -4.0 -2.7 -0.16| 4.0 -0.6 2000 321 7 340 18| 2.2 1.4 3.6| 46.6 -13.8 32.8 16.4 0.26| 4.7 1.2 2500 334 7 344 19| 2.5 1.1 3.5| 78.5 -13.8 64.7 25.9 0.43| 5.2 2.2 3000 348 8 350 20| 2.6 0.9 3.5|100.3 -13.8 86.5 28.8 0.51| 5.3 2.7 4000 55 9 18 18| 3.2 0.7 3.8|152.2 -13.8 138.4 34.6 0.65| 5.5 3.6 5000 119 12 56 11| 3.4 0.5 3.9|221.1 -13.8 207.3 41.5 0.74| 6.0 4.5 6000 141 16 94 8| 3.9 0.5 4.4|277.3 -13.8 263.5 43.9 0.71| 6.4 4.5 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20260119.12.gif