UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for U0744... Searching the city database file for: U0744 ... Date:0000Z 12 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 1011 20 -9.9 -14.3 70 4.4 -10.9 60 11 262.4 262.6 261.6 265.8 1.25 1 1000 104 -10.7 -16.7 61 6.0 -11.9 65 13 262.5 262.6 261.2 265.3 1.03 2 925 700 -13.3 -18.3 66 5.0 -14.3 75 21 265.7 265.9 263.5 268.4 0.98 3 850 1340 -16.5 -21.4 66 4.9 -17.4 90 23 268.9 269.0 265.4 271.2 0.81 4 744 2330 -22.1 -25.4 75 3.3 -22.6 90 24 273.2 273.3 268.1 275.1 0.65 5 700 2777 -23.3 -26.1 78 2.8 -23.7 90 25 276.7 276.8 270.3 278.6 0.65 6 660 3208 -23.5 -27.4 70 3.9 -24.1 87 24 281.2 281.3 272.9 283.0 0.61 7 559 4412 -27.9 -35.9 46 8.0 -28.7 80 21 289.6 289.7 277.0 290.7 0.32 8 500 5210 -29.7 -36.7 51 7.0 -30.4 75 19 296.8 296.9 280.4 297.9 0.33 9 488 5383 -30.3 -37.3 50 7.0 -31.0 75 19 298.2 298.2 281.0 299.2 0.32 10 400 6780 -37.1 -44.1 48 7.0 -37.6 75 19 306.8 306.8 284.4 307.5 0.19 11 360 7501 -40.3 -47.3 47 7.0 -40.7 70 20 311.9 311.9 286.2 312.4 0.15 12 300 8730 -44.3 -50.3 51 6.0 -44.6 60 21 322.9 322.9 289.8 323.4 0.13 13 279 9216 -47.5 -53.5 50 6.0 -47.7 86 24 325.1 325.1 290.4 325.5 0.09 14 250 9940 -50.3 -56.3 49 6.0 -50.5 125 29 331.3 331.3 292.2 331.6 0.07 15 216 10886 -53.9 -59.9 48 6.0 -54.1 92 16 339.8 339.9 294.3 340.1 0.06 16 200 11380 -53.9 -59.9 48 6.0 -54.1 75 9 347.4 347.4 296.1 347.7 0.06 17 177 12158 -55.5 -62.5 41 7.0 -55.7 71 9 357.1 357.2 298.2 357.4 0.05 18 169 12450 -57.7 -64.7 40 7.0 -57.8 70 9 358.2 358.2 298.4 358.4 0.04 19 150 13200 -57.1 -64.1 41 7.0 -57.3 80 7 371.7 371.7 300.9 371.9 0.05 20 149 13243 -57.1 -64.1 41 7.0 -57.3 78 7 372.4 372.4 301.0 372.6 0.05 21 100 15780 -56.9 -64.9 36 8.0 -57.2 325 7 417.8 417.8 307.5 418.1 0.06 TRP 169 12450 -57.7 -64.7 40 7.0 -57.8 70 9 358.2 358.2 298.4 358.4 0.04 WND Sounding variables and indices 1000-500 mb thick: 5106.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 63.46 % Est. max temperature: -3.93 C = 24.93 F Sfc-Lift cond lev (LCL): 941.97 mb = 561.05 m = 1840.68 ft T: -12.69 C 700-500 lapse rate: 2.63 C/km ThetaE index: 0.53 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 786.23 mb = 1919.59 m = 6297.80 ft Mean mixing ratio: 1.01 g/kg Conv temperature: -0.89 C = 30.40 F Cap Strength: 19.42 C Lifted Index: 24.60 C Risk: None Lifted Index @300 mb: 39.65 C Lifted Index @700 mb: 9.67 C Showalter Index: 21.20 C Risk: None Total Totals Index: 21.50 C Risk: None Vertical Totals Index: 13.20 C Cross Totals Index: 8.30 C K Index: -11.00 Risk: None Sweat Index: 65.00 Risk: None Energy Index: 5.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.29 J/kg Max Up Vert Vel: 4.07 m/s Conv Inhibition (B-): 22576.32 J/kg Cap Strength: 23.73 C Lift Cond Lev (LCL): 879.60 mb = 1080.95 m = 3546.39 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 113 at 16 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 1011 20 60 11 -9.5 -5.5 | 336 13 5.3 -11.8 1 1000 104 65 13 -11.8 -5.5 | 346 12 3.0 -11.8 2 925 700 75 21 -20.3 -5.4 | 25 13 -5.5 -11.7 3 850 1340 90 23 -23.0 0.0 | 52 10 -8.2 -6.3 4 700 2777 90 25 -25.0 0.0 | 58 12 -10.2 -6.3 5 500 5210 75 19 -18.4 -4.9 | 18 12 -3.5 -11.2 6 400 6780 75 19 -18.4 -4.9 | 18 12 -3.5 -11.2 7 300 8730 60 21 -18.2 -10.5 | 11 17 -3.4 -16.8 8 250 9940 125 29 -23.8 16.6 | 139 14 -8.9 10.3 9 200 11380 75 9 -8.7 -2.3 | 325 11 6.1 -8.6 10 169 12450 70 9 -8.5 -3.1 | 326 11 6.3 -9.4 11 150 13200 80 7 -6.9 -1.2 | 314 11 7.9 -7.5 12 100 15780 325 7 4.0 -5.7 | 303 22 18.8 -12.0 Wind Parameters Mean winds (0-6000m): 83.1 at 21.5 knts Storm direction: 113.1 at 16.1 knts Shear (0-3000m) pos: 2.5 neg: 0.2 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 78.1 deg Storm rel helicity (0-3000m) pos: 54.6 neg: -2.6 tot: 52.0 m^2/s^2 ave: 17.3 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.02 Bulk Shear: 8.14 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 68 15 356 12| 8.4 0.0 8.4| 26.0 0.0 26.0 52.0 0.98| 8.4 8.3 1000 74 18 12 12| 6.5 0.0 6.5| 43.1 0.0 43.1 43.1 0.96| 7.1 6.8 1500 79 20 24 11| 5.1 0.0 5.1| 51.8 0.0 51.8 34.5 0.95| 5.8 5.6 2000 82 21 32 11| 3.8 0.2 4.0| 52.9 0.0 52.9 26.5 0.94| 4.6 4.3 2500 84 21 37 11| 3.0 0.3 3.3| 54.1 0.0 54.1 21.6 0.92| 3.8 3.5 3000 85 22 41 11| 2.5 0.2 2.8| 54.6 -2.6 52.0 17.3 0.84| 3.4 2.8 4000 85 22 42 11| 1.9 0.4 2.3| 54.6 -13.4 41.2 10.3 0.56| 3.0 1.7 5000 84 22 40 11| 1.5 0.7 2.2| 54.6 -23.5 31.0 6.2 0.36| 2.7 1.0 6000 83 21 36 11| 1.3 0.6 1.9| 54.6 -25.4 29.1 4.9 0.33| 2.3 0.8 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251212.00.gif