UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for U0744... Searching the city database file for: U0744 ... Date:1200Z 18 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 1022 19 -10.7 -15.5 68 4.8 -11.7 120 1 260.8 261.0 260.1 263.8 1.12 1 1009 117 -10.3 -15.3 67 5.0 -11.4 123 2 262.2 262.4 261.2 265.3 1.15 2 1000 186 -10.9 -15.9 67 5.0 -12.0 125 3 262.2 262.4 261.2 265.3 1.10 3 925 780 -15.3 -18.3 78 3.0 -15.9 140 17 263.7 263.8 262.0 266.4 0.98 4 900 987 -17.5 -19.9 82 2.4 -17.9 142 14 263.5 263.6 261.7 265.9 0.87 5 886 1104 -16.9 -19.2 82 2.3 -17.3 143 13 265.3 265.4 263.2 267.9 0.94 6 875 1198 -16.7 -19.5 79 2.8 -17.2 143 12 266.4 266.6 264.0 269.0 0.93 7 850 1416 -18.3 -22.8 68 4.5 -19.0 145 9 267.0 267.1 263.9 269.0 0.72 8 816 1719 -20.3 -25.3 64 5.0 -21.0 134 8 268.0 268.1 264.4 269.7 0.60 9 758 2264 -20.1 -29.1 45 9.0 -21.3 115 7 273.9 274.0 268.2 275.3 0.45 10 700 2850 -22.9 -38.9 22 16.0 -24.4 95 5 277.1 277.2 269.7 277.7 0.19 11 663 3246 -25.5 -44.5 15 19.0 -26.9 80 6 278.5 278.6 270.5 278.9 0.11 12 610 3846 -28.7 -46.7 16 18.0 -29.8 58 7 281.6 281.6 272.2 281.9 0.09 13 500 5240 -38.5 -53.5 19 15.0 -39.1 5 11 286.1 286.1 274.7 286.3 0.05 14 400 6740 -48.7 -62.7 18 14.0 -48.9 345 9 291.7 291.7 277.5 291.8 0.02 15 369 7263 -52.7 -66.7 17 14.0 -52.9 344 8 293.2 293.2 278.3 293.2 0.01 16 359 7439 -53.7 -67.7 16 14.0 -53.8 343 8 294.2 294.2 278.7 294.2 0.01 17 300 8570 -60.3 -73.3 17 13.0 -60.4 340 7 300.3 300.3 281.5 300.4 0.01 18 299 8591 -60.5 -73.5 17 13.0 -60.6 340 7 300.3 300.3 281.5 300.4 0.01 19 296 8654 -60.7 -73.7 16 13.0 -60.8 340 7 300.9 300.9 281.7 301.0 0.01 20 271 9206 -61.5 -74.5 16 13.0 -61.6 337 13 307.5 307.5 284.4 307.5 0.01 21 250 9710 -60.1 -73.1 17 13.0 -60.2 335 19 316.7 316.7 287.7 316.7 0.01 22 200 11110 -57.3 -69.3 20 12.0 -57.5 335 31 342.0 342.0 294.8 342.1 0.02 23 194 11303 -56.3 -69.3 18 13.0 -56.5 334 31 346.6 346.6 295.9 346.7 0.02 24 175 11956 -57.7 -70.7 18 13.0 -57.9 333 32 354.7 354.7 297.7 354.8 0.02 25 150 12930 -57.5 -71.5 15 14.0 -57.8 330 33 371.0 371.0 300.8 371.1 0.02 26 100 15460 -62.3 -77.3 12 15.0 -62.5 325 33 407.4 407.4 306.2 407.4 0.01 27 71 17564 -65.3 -80.3 11 15.0 -65.5 311 31 442.9 442.9 310.1 442.9 0.01 28 70 17650 -65.7 -80.7 11 15.0 -65.9 310 31 443.8 443.8 310.3 443.9 0.01 29 52 19436 -69.3 -84.3 10 15.0 -69.5 310 29 474.8 474.8 313.0 474.9 0.01 30 50 19670 -69.1 -84.1 10 15.0 -69.2 310 29 480.7 480.7 313.5 480.7 0.01 31 38 21285 -72.1 -87.1 9 15.0 -72.2 294 24 512.3 512.3 315.8 512.3 0.01 32 36 21601 -72.3 -87.3 9 15.0 -72.5 291 23 519.7 519.7 316.3 519.7 0.01 33 30 22660 -74.9 -89.9 8 15.0 -75.0 280 19 540.5 540.5 317.5 540.5 0.00 34 23 24184 -79.7 -79.7 100 0.0 -79.7 569.0 569.0 319.1 569.2 0.03 TRP 296 8654 -60.7 -73.7 16 13.0 -60.8 340 7 300.9 300.9 281.7 301.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5054.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 40.32 % Est. max temperature: -4.99 C = 23.02 F Sfc-Lift cond lev (LCL): 945.96 mb = 609.31 m = 1999.01 ft T: -14.04 C 700-500 lapse rate: 6.53 C/km ThetaE index: 0.46 C Layer 900.0- 886.0 mb Conv cond level (CCL): 848.54 mb = 1428.77 m = 4687.50 ft Mean mixing ratio: 1.06 g/kg Conv temperature: -4.46 C = 23.96 F Cap Strength: 14.23 C Lifted Index: 16.91 C Risk: None Lifted Index @300 mb: 24.58 C Lifted Index @700 mb: 11.18 C Showalter Index: 14.16 C Risk: None Total Totals Index: 35.90 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 15.70 C K Index: -18.60 Risk: None Sweat Index: 29.00 Risk: None Energy Index: 3.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.89 J/kg Max Up Vert Vel: 3.43 m/s Conv Inhibition (B-): 47493.49 J/kg Cap Strength: 16.72 C Lift Cond Lev (LCL): 907.63 mb = 922.96 m = 3028.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 108 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 1022 19 120 1 -0.9 0.5 | 286 6 5.3 -1.5 1 1000 186 125 3 -2.5 1.7 | 274 4 3.7 -0.3 2 925 780 140 17 -10.9 13.0 | 157 12 -4.8 11.0 3 850 1416 145 9 -5.2 7.4 | 191 5 1.0 5.4 4 700 2850 95 5 -5.0 0.4 | 323 2 1.2 -1.5 5 500 5240 5 11 -1.0 -11.0 | 338 14 5.2 -12.9 6 400 6740 345 9 2.3 -8.7 | 321 14 8.5 -10.7 7 300 8570 340 7 2.4 -6.6 | 315 12 8.6 -8.6 8 296 8654 340 7 2.4 -6.6 | 315 12 8.6 -8.6 9 250 9710 335 19 8.0 -17.2 | 324 24 14.2 -19.2 10 200 11110 335 31 13.1 -28.1 | 327 36 19.3 -30.1 11 150 12930 330 33 16.5 -28.6 | 323 38 22.7 -30.6 12 100 15460 325 33 18.9 -27.0 | 319 38 25.1 -29.0 13 70 17650 310 31 23.7 -19.9 | 306 37 29.9 -21.9 14 50 19670 310 29 22.2 -18.6 | 306 35 28.4 -20.6 15 30 22660 280 19 18.7 -3.3 | 282 25 24.9 -5.3 Wind Parameters Mean winds (0-6000m): 77.8 at 8.6 knts Storm direction: 107.8 at 6.5 knts Shear (0-3000m) pos: 2.2 neg: 2.0 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 54.9 deg Storm rel helicity (0-3000m) pos: 10.7 neg: -7.7 tot: 3.0 m^2/s^2 ave: 1.0 10^-3 m/s^2 rel: -0.04 Storm rel vorticity (0-3000m) horiz: 5.4 stream: -0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.94 Bulk Shear: 6.26 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 ------------------------------------------------------------------------------- 500 131 5 236 3| 10.2 0.0 10.2| 0.0 -5.6 -5.6 -11.2 -0.68| 10.4 -7.1 1000 138 10 175 5| 6.7 0.0 6.7| 4.0 -7.1 -3.0 -3.0 -0.33| 9.6 -3.2 1500 140 10 175 6| 4.5 1.8 6.3| 10.1 -7.3 2.8 1.8 -0.13| 8.3 -1.1 2000 139 10 177 5| 3.4 1.9 5.3| 10.1 -7.7 2.4 1.2 -0.13| 7.0 -0.9 2500 136 9 178 5| 2.7 2.0 4.7| 10.2 -7.7 2.5 1.0 -0.08| 6.1 -0.5 3000 134 8 180 4| 2.2 2.0 4.2| 10.7 -7.7 3.0 1.0 -0.04| 5.4 -0.2 4000 121 8 163 2| 1.7 2.1 3.8| 11.5 -8.1 3.5 0.9 -0.02| 4.7 -0.1 5000 103 8 85 2| 1.3 2.3 3.6| 11.5 -16.4 -4.8 -1.0 -0.08| 4.5 -0.4 6000 78 9 31 4| 1.1 2.0 3.1| 11.5 -28.2 -16.7 -2.8 -0.15| 4.0 -0.6 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251218.12.gif