UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for U0744... Searching the city database file for: U0744 ... Date:1200Z 4 DEC 25 Station: U0744 WMO ident: 20744 Latitude: 72.37 Longitude: 52.73 ------------------------------------------------------------------------------- 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 1018 19 -9.3 -13.9 69 4.6 -10.4 130 7 262.5 262.7 261.7 266.0 1.28 1 1000 157 -8.5 -14.5 62 6.0 -9.9 105 9 264.6 264.8 263.2 268.0 1.24 2 925 754 -14.1 -19.1 66 5.0 -15.0 125 9 264.9 265.0 262.8 267.4 0.91 3 859 1311 -19.3 -22.4 76 3.1 -19.8 107 5 265.1 265.2 262.6 267.2 0.74 4 850 1389 -19.7 -22.6 78 2.9 -20.1 105 5 265.5 265.6 262.9 267.6 0.73 5 824 1619 -21.3 -23.9 79 2.6 -21.7 83 5 266.2 266.3 263.3 268.1 0.67 6 817 1682 -19.5 -22.2 79 2.7 -19.9 76 5 268.7 268.9 265.3 271.0 0.79 7 722 2593 -23.7 -33.7 39 10.0 -24.7 347 7 273.8 273.9 267.8 274.7 0.31 8 700 2819 -24.7 -33.7 43 9.0 -25.6 325 7 275.1 275.2 268.7 276.1 0.32 9 692 2902 -24.9 -33.9 43 9.0 -25.8 325 7 275.8 275.9 269.1 276.8 0.31 10 500 5180 -41.1 -50.1 37 9.0 -41.4 320 19 282.9 282.9 273.0 283.2 0.08 11 425 6272 -49.1 -57.1 39 8.0 -49.3 313 20 286.2 286.2 274.7 286.3 0.04 12 400 6670 -50.9 -58.9 38 8.0 -51.0 310 21 288.8 288.8 276.1 289.0 0.03 13 391 6817 -52.1 -60.1 38 8.0 -52.2 310 22 289.2 289.2 276.3 289.3 0.03 14 324 8022 -55.7 -62.7 41 7.0 -55.8 314 31 300.2 300.2 281.4 300.2 0.03 15 300 8510 -57.1 -64.1 41 7.0 -57.2 315 35 304.9 304.9 283.4 304.9 0.02 16 295 8616 -57.5 -64.5 41 7.0 -57.6 315 35 305.8 305.8 283.7 305.8 0.02 17 250 9660 -56.7 -64.7 36 8.0 -56.8 315 38 321.8 321.8 289.3 321.9 0.03 18 203 10985 -56.1 -64.1 36 8.0 -56.2 320 40 342.5 342.5 295.0 342.6 0.03 19 200 11080 -56.1 -64.1 36 8.0 -56.2 320 40 343.9 343.9 295.3 344.1 0.03 20 194 11274 -55.5 -63.5 36 8.0 -55.7 319 40 347.9 347.9 296.2 348.1 0.04 21 150 12900 -58.7 -67.7 30 9.0 -58.9 315 42 368.9 369.0 300.4 369.1 0.03 22 100 15420 -63.7 -73.7 24 10.0 -63.8 315 44 404.7 404.7 305.8 404.7 0.02 23 70 17580 -69.5 -79.5 22 10.0 -69.6 325 46 435.7 435.7 309.4 435.8 0.01 24 50 19570 -72.9 -82.9 21 10.0 -73.0 325 35 471.7 471.7 312.8 471.7 0.01 25 46 20058 -73.9 -83.9 20 10.0 -74.0 480.7 480.7 313.5 480.7 0.01 TRP 295 8616 -57.5 -64.5 41 7.0 -57.6 315 35 305.8 305.8 283.7 305.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5023.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 52.68 % Est. max temperature: -6.69 C = 19.95 F Sfc-Lift cond lev (LCL): 945.56 mb = 585.68 m = 1921.51 ft T: -12.52 C 700-500 lapse rate: 6.95 C/km ThetaE index: 0.84 C Layer 925.0- 850.0 mb Conv cond level (CCL): 880.91 mb = 1121.23 m = 3678.52 ft Mean mixing ratio: 1.10 g/kg Conv temperature: -6.74 C = 19.88 F Cap Strength: 8.30 C Lifted Index: 12.73 C Risk: None Lifted Index @300 mb: 26.43 C Lifted Index @700 mb: 7.74 C Showalter Index: 12.73 C Risk: None Total Totals Index: 39.90 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 18.50 C K Index: -10.20 Risk: None Sweat Index: 29.00 Risk: None Energy Index: 3.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.13 J/kg Max Up Vert Vel: 3.20 m/s Conv Inhibition (B-): 35353.80 J/kg Cap Strength: 12.54 C Lift Cond Lev (LCL): 887.53 mb = 1064.98 m = 3493.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 359 at 8 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 1018 19 130 7 -5.4 4.5 | 157 14 -5.5 12.9 1 1000 157 105 9 -8.7 2.3 | 140 14 -8.9 10.7 2 925 754 125 9 -7.4 5.2 | 151 16 -7.5 13.6 3 850 1389 105 5 -4.8 1.3 | 153 11 -5.0 9.7 4 700 2819 325 7 4.0 -5.7 | 235 5 3.9 2.7 5 500 5180 320 19 12.2 -14.6 | 297 14 12.1 -6.1 6 400 6670 310 21 16.1 -13.5 | 288 17 15.9 -5.1 7 300 8510 315 35 24.7 -24.7 | 304 30 24.6 -16.3 8 295 8616 315 35 24.7 -24.7 | 304 30 24.6 -16.3 9 250 9660 315 38 26.9 -26.9 | 305 32 26.7 -18.5 10 200 11080 320 40 25.7 -30.6 | 311 34 25.6 -22.2 11 150 12900 315 42 29.7 -29.7 | 306 36 29.5 -21.3 12 100 15420 315 44 31.1 -31.1 | 306 38 31.0 -22.7 13 70 17580 325 46 26.4 -37.7 | 318 39 26.2 -29.3 14 50 19570 325 35 20.1 -28.7 | 315 28 19.9 -20.3 Wind Parameters Mean winds (0-6000m): 328.9 at 11.2 knts Storm direction: 358.9 at 8.4 knts Shear (0-3000m) pos: 0.0 neg: 2.6 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 90.5 deg Storm rel helicity (0-3000m) pos: 14.5 neg: -20.7 tot: -6.2 m^2/s^2 ave: -2.1 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.11 Bulk Shear: 47.48 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 ------------------------------------------------------------------------------- 500 112 9 145 14| 0.0 2.8 2.8| 5.1 -13.8 -8.7 -17.4 -0.45| 5.5 -2.5 1000 117 9 147 15| 0.0 0.9 0.9| 9.1 -14.3 -5.1 -5.1 -0.18| 4.3 -0.8 1500 115 8 149 14| 0.0 1.5 1.5| 10.3 -16.1 -5.8 -3.9 -0.15| 4.1 -0.6 2000 107 7 146 13| 0.0 2.3 2.3| 10.3 -20.7 -10.4 -5.2 -0.23| 4.3 -1.0 2500 98 7 143 12| 0.0 2.6 2.6| 11.9 -20.7 -8.8 -3.5 -0.06| 4.6 -0.3 3000 92 7 141 11| 0.0 2.6 2.6| 14.5 -20.7 -6.2 -2.1 0.06| 4.6 0.3 4000 21 8 110 3| 0.0 2.6 2.6| 20.6 -20.7 -0.1 -0.0 0.17| 4.1 0.7 5000 339 10 279 3| 0.0 2.6 2.6| 26.1 -20.7 5.4 1.1 0.20| 3.8 0.8 6000 329 11 282 6| 0.0 2.3 2.3| 26.7 -25.6 1.1 0.2 0.16| 3.4 0.5 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251204.12.gif