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 U0674... Searching the city database file for: U0674 ... Date:1200Z 18 APR 25 Station: U0674 WMO ident: 20674 Latitude: 73.53 Longitude: 80.40 ------------------------------------------------------------------------------- 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 1002 53 -12.9 -15.3 82 2.4 -13.4 360 11 260.1 260.3 259.6 263.2 1.16 1 1000 68 -13.1 -16.1 78 3.0 -13.7 360 11 260.0 260.2 259.5 263.0 1.09 2 925 656 -18.1 -21.3 76 3.2 -18.6 345 9 260.8 260.9 259.4 262.9 0.75 3 912 762 -18.5 -21.7 76 3.2 -19.0 342 9 261.4 261.6 259.8 263.5 0.74 4 898 878 -14.3 -17.5 77 3.2 -14.9 340 9 266.9 267.1 264.6 269.9 1.08 5 850 1294 -15.1 -18.9 73 3.8 -15.9 330 9 270.3 270.5 266.8 273.2 1.01 6 798 1770 -16.3 -21.3 65 5.0 -17.2 310 8 274.0 274.1 269.0 276.5 0.87 7 700 2747 -20.9 -27.9 53 7.0 -21.9 270 7 279.3 279.4 271.7 281.0 0.55 8 500 5160 -34.9 -43.9 39 9.0 -35.5 295 5 290.5 290.5 277.2 291.0 0.16 9 459 5753 -37.9 -47.9 34 10.0 -38.4 293.9 294.0 278.7 294.3 0.11 TRP WND Sounding variables and indices 1000-500 mb thick: 5092.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 57.93 % Est. max temperature: -2.81 C = 26.93 F Sfc-Lift cond lev (LCL): 963.83 mb = 345.85 m = 1134.67 ft T: -15.46 C 700-500 lapse rate: 5.80 C/km ThetaE index: 0.34 C Layer 1000.0- 912.0 mb Conv cond level (CCL): 663.09 mb = 3135.52 m = 10287.02 ft Mean mixing ratio: 0.89 g/kg Conv temperature: 8.17 C = 46.71 F Cap Strength: 15.17 C Lifted Index: 22.41 C Risk: None Lifted Index @700 mb: 15.17 C Showalter Index: 14.42 C Risk: None Total Totals Index: 35.80 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 16.00 C K Index: -6.10 Risk: None Sweat Index: 23.00 Risk: None Energy Index: 3.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.36 J/kg Max Up Vert Vel: 4.33 m/s Conv Inhibition (B-): 3104.13 J/kg Cap Strength: 22.17 C Lift Cond Lev (LCL): 905.89 mb = 812.23 m = 2664.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 337 at 6 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 1002 53 360 11 -0.0 -11.0 | 20 6 -2.2 -5.9 1 1000 68 360 11 -0.0 -11.0 | 20 6 -2.2 -5.9 2 925 656 345 9 2.3 -8.7 | 357 4 0.2 -3.6 3 850 1294 330 9 4.5 -7.8 | 319 4 2.3 -2.7 4 700 2747 270 7 7.0 -0.0 | 224 7 4.8 5.1 5 500 5160 295 5 4.5 -2.1 | 218 4 2.4 3.0 Wind Parameters Mean winds (0-6000m): 307.1 at 7.4 knts Storm direction: 337.1 at 5.5 knts Shear (0-3000m) pos: 0.0 neg: 2.2 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): -156.0 deg Storm rel helicity (0-3000m) pos: 0.1 neg: -14.6 tot: -14.5 m^2/s^2 ave: -4.8 10^-3 m/s^2 rel: -0.81 Storm rel vorticity (0-3000m) horiz: 2.5 stream: -2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.25 Bulk Shear: 7.49 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 ------------------------------------------------------------------------------- 500 355 10 13 5| 0.0 2.8 2.8| 0.0 -2.2 -2.2 -4.3 -0.58| 2.8 -1.6 1000 349 10 3 4| 0.0 2.4 2.4| 0.0 -3.8 -3.8 -3.8 -0.71| 2.4 -1.7 1500 342 9 350 4| 0.0 2.5 2.5| 0.0 -6.2 -6.2 -4.2 -0.81| 2.5 -2.0 2000 335 9 333 4| 0.0 2.6 2.6| 0.0 -9.4 -9.4 -4.7 -0.84| 2.7 -2.2 2500 329 9 315 3| 0.0 2.5 2.5| 0.0 -13.1 -13.1 -5.2 -0.84| 2.7 -2.3 3000 322 9 298 3| 0.0 2.2 2.2| 0.1 -14.6 -14.5 -4.8 -0.81| 2.5 -2.0 4000 313 8 275 4| 0.2 1.6 1.8| 0.2 -14.7 -14.5 -3.6 -0.74| 2.1 -1.5 5000 307 7 261 4| 0.3 1.3 1.6| 0.2 -15.1 -14.9 -3.0 -0.71| 1.8 -1.3 6000 NO DATA | 0.3 1.3 1.6| | Wrote GIF file: /home/apache/climate/data/raob//U0674/skewt/U0674.skewt.20250418.12.gif