UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120500.upa.cvt Date: 0000Z 5 DEC 25 Searching for U0744... Searching the city database file for: U0744 ... Date:0000Z 5 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 1021 22 -8.5 -14.5 62 6.0 -9.9 130 7 263.1 263.3 262.0 266.4 1.21 1 1002 167 -7.5 -15.5 53 8.0 -9.4 112 5 265.5 265.7 263.7 268.6 1.14 2 1000 183 -7.9 -15.9 53 8.0 -9.7 110 5 265.2 265.4 263.4 268.3 1.10 3 959 506 -11.1 -19.1 52 8.0 -12.7 118 5 265.2 265.3 263.0 267.7 0.88 4 925 781 -13.7 -20.7 55 7.0 -15.0 125 5 265.3 265.4 262.9 267.5 0.79 5 850 1417 -19.9 -23.6 72 3.7 -20.4 130 5 265.3 265.4 262.6 267.2 0.67 6 823 1656 -21.5 -24.3 78 2.8 -21.9 108 5 266.1 266.2 263.2 267.9 0.65 7 817 1710 -20.9 -23.7 78 2.8 -21.3 103 5 267.3 267.4 264.1 269.2 0.69 8 718 2659 -24.5 -30.5 57 6.0 -25.2 17 5 273.4 273.4 267.8 274.6 0.42 9 700 2844 -25.7 -32.7 52 7.0 -26.4 360 5 274.0 274.1 268.1 275.1 0.35 10 639 3499 -29.7 -36.7 51 7.0 -30.3 349 7 276.7 276.8 269.6 277.5 0.26 11 567 4340 -36.1 -44.1 44 8.0 -36.5 335 10 278.8 278.8 270.7 279.3 0.13 12 500 5200 -42.7 -49.7 46 7.0 -42.9 320 13 281.0 281.0 271.9 281.3 0.08 13 466 5669 -46.1 -52.1 51 6.0 -46.3 320 16 282.5 282.5 272.7 282.7 0.07 14 413 6462 -49.7 -55.7 49 6.0 -49.8 320 22 287.8 287.8 275.6 287.9 0.05 15 400 6670 -50.7 -56.7 49 6.0 -50.8 320 23 289.1 289.1 276.3 289.3 0.04 16 352 7500 -55.3 -61.3 47 6.0 -55.4 320 24 293.7 293.7 278.5 293.8 0.03 17 321 8089 -56.9 -63.9 41 7.0 -57.0 320 25 299.3 299.3 281.1 299.4 0.02 18 300 8520 -56.7 -63.7 41 7.0 -56.8 325 27 305.4 305.4 283.6 305.5 0.02 19 257 9504 -55.7 -62.7 41 7.0 -55.8 317 30 320.7 320.7 289.0 320.8 0.03 20 250 9680 -56.1 -63.1 41 7.0 -56.2 315 31 322.7 322.7 289.6 322.8 0.03 21 200 11090 -55.9 -63.9 36 8.0 -56.1 315 35 344.2 344.3 295.4 344.4 0.04 22 167 12233 -57.7 -66.7 31 9.0 -57.9 315 37 359.5 359.5 298.6 359.6 0.03 23 150 12910 -58.1 -68.1 27 10.0 -58.3 315 38 370.0 370.0 300.6 370.1 0.03 24 100 15430 -64.1 -75.1 21 11.0 -64.3 320 42 403.9 403.9 305.7 403.9 0.01 25 70 17580 -69.5 -80.5 19 11.0 -69.6 315 42 435.7 435.7 309.4 435.7 0.01 26 58 18691 -73.1 -84.1 17 11.0 -73.2 315 40 451.6 451.6 311.0 451.7 0.01 27 50 19560 -73.3 -85.3 14 12.0 -73.4 315 38 470.8 470.8 312.7 470.8 0.01 28 49 19678 -73.1 -85.1 14 12.0 -73.2 474.0 474.0 313.0 474.0 0.01 29 31 22315 -79.9 -79.9 100 0.0 -79.9 521.9 521.9 316.4 522.0 0.02 TRP 321 8089 -56.9 -63.9 41 7.0 -57.0 320 25 299.3 299.3 281.1 299.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5017.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 55.74 % Est. max temperature: -6.25 C = 20.74 F Sfc-Lift cond lev (LCL): 927.45 mb = 760.87 m = 2496.25 ft T: -13.51 C 700-500 lapse rate: 7.22 C/km ThetaE index: 1.45 C Layer 1000.0- 823.0 mb Conv cond level (CCL): 856.59 mb = 1358.89 m = 4458.26 ft Mean mixing ratio: 0.97 g/kg Conv temperature: -6.27 C = 20.72 F Cap Strength: 9.70 C Lifted Index: 10.98 C Risk: None Lifted Index @300 mb: 26.72 C Lifted Index @700 mb: 6.62 C Showalter Index: 11.42 C Risk: None Total Totals Index: 41.90 C Risk: None Vertical Totals Index: 22.80 C Cross Totals Index: 19.10 C K Index: -7.80 Risk: None Sweat Index: 23.00 Risk: None Energy Index: 3.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.24 J/kg Max Up Vert Vel: 2.91 m/s Conv Inhibition (B-): 38303.95 J/kg Cap Strength: 10.78 C Lift Cond Lev (LCL): 859.60 mb = 1332.57 m = 4371.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 8 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 1021 22 130 7 -5.4 4.5 | 157 11 -4.5 10.6 1 1000 183 110 5 -4.7 1.7 | 154 9 -3.8 7.8 2 925 781 125 5 -4.1 2.9 | 160 10 -3.2 8.9 3 850 1417 130 5 -3.8 3.2 | 162 10 -3.0 9.3 4 700 2844 360 5 -0.0 -5.0 | 219 1 0.9 1.1 5 500 5200 320 13 8.4 -10.0 | 293 10 9.2 -3.9 6 400 6670 320 23 14.8 -17.6 | 306 19 15.7 -11.5 7 321 8089 320 25 16.1 -19.2 | 308 21 16.9 -13.1 8 300 8520 325 27 15.5 -22.1 | 314 23 16.4 -16.0 9 250 9680 315 31 21.9 -21.9 | 305 28 22.8 -15.8 10 200 11090 315 35 24.7 -24.7 | 306 32 25.6 -18.7 11 150 12910 315 38 26.9 -26.9 | 307 35 27.7 -20.8 12 100 15430 320 42 27.0 -32.2 | 313 38 27.9 -26.1 13 70 17580 315 42 29.7 -29.7 | 308 39 30.6 -23.6 14 50 19560 315 38 26.9 -26.9 | 307 35 27.7 -20.8 Wind Parameters Mean winds (0-6000m): 338.1 at 8.2 knts Storm direction: 8.1 at 6.1 knts Shear (0-3000m) pos: 0.1 neg: 2.0 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 90.7 deg Storm rel helicity (0-3000m) pos: 4.2 neg: -9.1 tot: -4.9 m^2/s^2 ave: -1.6 10^-3 m/s^2 rel: -0.01 Storm rel vorticity (0-3000m) horiz: 2.8 stream: -0.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.20 Bulk Shear: 21.27 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 ------------------------------------------------------------------------------- 500 117 5 155 9| 0.0 2.4 2.4| 1.2 -1.5 -0.3 -0.5 -0.01| 3.6 -0.0 1000 120 5 158 9| 0.4 1.2 1.6| 2.7 -1.5 1.2 1.2 0.14| 2.2 0.3 1500 123 5 159 9| 0.3 0.9 1.2| 3.2 -3.1 0.1 0.0 0.02| 1.8 0.0 2000 117 5 156 9| 0.2 1.7 1.8| 3.2 -8.3 -5.1 -2.6 -0.25| 2.4 -0.6 2500 108 5 153 9| 0.2 2.0 2.2| 3.3 -9.1 -5.8 -2.3 -0.21| 2.7 -0.6 3000 100 5 149 8| 0.1 2.0 2.2| 4.2 -9.1 -4.9 -1.6 -0.01| 2.8 -0.0 4000 52 6 126 4| 0.1 2.0 2.1| 5.1 -9.1 -4.0 -1.0 0.07| 2.6 0.2 5000 0 7 307 1| 0.1 2.0 2.1| 5.1 -10.8 -5.7 -1.1 0.03| 2.6 0.1 6000 338 8 291 4| 0.1 2.2 2.3| 11.7 -11.4 0.2 0.0 0.08| 2.7 0.2 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251205.00.gif