UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for U0744... Searching the city database file for: U0744 ... Date:1200Z 11 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 1010 21 -11.5 -14.9 76 3.4 -12.2 40 9 260.9 261.1 260.3 264.1 1.19 1 1000 97 -11.1 -16.0 67 4.9 -12.1 50 13 262.0 262.2 261.0 265.0 1.10 2 951 481 -12.7 -17.1 70 4.4 -13.6 66 23 264.2 264.4 262.6 267.1 1.05 3 925 691 -14.3 -19.2 66 4.9 -15.2 75 29 264.7 264.8 262.6 267.2 0.90 4 850 1325 -19.7 -22.5 78 2.8 -20.1 90 29 265.5 265.6 262.9 267.6 0.74 5 788 1882 -24.9 -27.2 81 2.3 -25.2 80 25 265.8 265.8 262.7 267.3 0.52 6 782 1938 -24.1 -26.3 82 2.2 -24.4 79 25 267.2 267.3 263.8 268.8 0.57 7 771 2041 -23.9 -26.6 78 2.7 -24.2 77 24 268.5 268.6 264.7 270.1 0.56 8 702 2720 -28.5 -35.5 51 7.0 -29.1 65 19 270.7 270.7 265.7 271.5 0.26 9 700 2740 -28.7 -35.7 51 7.0 -29.3 65 19 270.7 270.7 265.7 271.5 0.26 10 647 3301 -30.7 -40.7 37 10.0 -31.4 35 16 274.6 274.6 268.1 275.1 0.17 11 625 3546 -30.9 -40.9 37 10.0 -31.6 21 14 277.1 277.1 269.7 277.7 0.17 12 545 4503 -37.9 -44.9 48 7.0 -38.2 328 9 279.8 279.9 271.3 280.3 0.13 13 500 5090 -43.3 -50.3 46 7.0 -43.5 295 5 280.2 280.3 271.4 280.5 0.08 14 468 5531 -47.3 -54.3 45 7.0 -47.4 325 6 280.6 280.6 271.6 280.8 0.05 15 400 6560 -51.5 -57.5 49 6.0 -51.6 35 7 288.1 288.1 275.7 288.2 0.04 16 340 7605 -56.3 -62.3 47 6.0 -56.4 25 5 295.2 295.2 279.2 295.3 0.03 17 300 8400 -56.9 -62.9 47 6.0 -57.0 315 7 305.1 305.1 283.5 305.2 0.03 18 250 9550 -56.1 -63.1 41 7.0 -56.2 315 9 322.7 322.7 289.6 322.8 0.03 19 200 10970 -56.3 -63.3 41 7.0 -56.5 310 11 343.6 343.6 295.2 343.8 0.04 20 187 11397 -56.1 -64.1 36 8.0 -56.3 311 12 350.6 350.6 296.8 350.8 0.04 21 154 12625 -58.5 -66.5 35 8.0 -58.6 315 15 366.5 366.5 299.9 366.7 0.03 22 150 12790 -58.9 -66.9 35 8.0 -59.0 315 15 368.6 368.6 300.4 368.7 0.03 23 100 15290 -64.9 -73.9 28 9.0 -65.0 330 31 402.3 402.3 305.5 402.4 0.02 24 84 16349 -66.7 -76.7 23 10.0 -66.8 419.2 419.3 307.6 419.3 0.01 25 72 17277 -68.7 -78.7 22 10.0 -68.8 433.9 433.9 309.3 434.0 0.01 TRP 340 7605 -56.3 -62.3 47 6.0 -56.4 25 5 295.2 295.2 279.2 295.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 4993.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 57.93 % Est. max temperature: -6.99 C = 19.41 F Sfc-Lift cond lev (LCL): 956.18 mb = 439.17 m = 1440.84 ft T: -12.53 C 700-500 lapse rate: 6.21 C/km ThetaE index: 0.34 C Layer 788.0- 782.0 mb Conv cond level (CCL): 865.97 mb = 1185.46 m = 3889.27 ft Mean mixing ratio: 1.02 g/kg Conv temperature: -7.06 C = 19.30 F Cap Strength: 11.50 C Lifted Index: 11.47 C Risk: None Lifted Index @300 mb: 27.46 C Lifted Index @700 mb: 4.74 C Showalter Index: 10.53 C Risk: None Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.60 C Cross Totals Index: 20.80 C K Index: -5.90 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 2.72 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.55 J/kg Max Up Vert Vel: 5.01 m/s Conv Inhibition (B-): 24882.81 J/kg Cap Strength: 11.50 C Lift Cond Lev (LCL): 890.12 mb = 979.17 m = 3212.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 98 at 12 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 1010 21 40 9 -5.8 -6.9 | 324 11 6.3 -8.7 1 1000 97 50 13 -10.0 -8.4 | 348 10 2.1 -10.1 2 925 691 75 29 -28.0 -7.5 | 60 18 -15.9 -9.3 3 850 1325 90 29 -29.0 0.0 | 84 17 -16.9 -1.8 4 700 2740 65 19 -17.2 -8.0 | 28 11 -5.1 -9.8 5 500 5090 295 5 4.5 -2.1 | 283 17 16.6 -3.9 6 400 6560 35 7 -4.0 -5.7 | 313 11 8.1 -7.5 7 340 7605 25 5 -2.1 -4.5 | 302 12 10.0 -6.3 8 300 8400 315 7 4.9 -4.9 | 292 18 17.0 -6.7 9 250 9550 315 9 6.4 -6.4 | 294 20 18.5 -8.2 10 200 10970 310 11 8.4 -7.1 | 293 22 20.5 -8.9 11 150 12790 315 15 10.6 -10.6 | 299 26 22.7 -12.4 12 100 15290 330 31 15.5 -26.8 | 316 40 27.6 -28.6 Wind Parameters Mean winds (0-6000m): 68.4 at 16.3 knts Storm direction: 98.4 at 12.2 knts Shear (0-3000m) pos: 3.8 neg: 3.0 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 40.7 deg Storm rel helicity (0-3000m) pos: 105.2 neg: -62.4 tot: 42.9 m^2/s^2 ave: 14.3 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 1.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 12.72 Bulk Shear: 0.99 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 60 18 16 11| 17.5 0.0 17.5| 50.2 0.0 50.2 100.5 0.94| 17.8 16.8 1000 71 23 47 13| 11.9 0.0 11.9| 89.0 0.0 89.0 89.0 0.92| 13.8 12.8 1500 78 25 60 14| 7.7 0.0 7.7|105.2 -7.9 97.3 64.9 0.81| 11.2 9.1 2000 79 25 62 14| 5.8 1.4 7.1|105.2 -26.1 79.2 39.6 0.58| 9.8 5.6 2500 78 25 61 14| 4.6 2.1 6.7|105.2 -41.2 64.0 25.6 0.40| 8.8 3.5 3000 77 24 56 13| 3.8 3.0 6.8|105.2 -62.4 42.9 14.3 0.21| 8.6 1.8 4000 71 21 42 12| 2.9 3.9 6.8|105.2-122.2 -17.0 -4.2 -0.05| 8.4 -0.5 5000 71 19 36 9| 2.3 3.3 5.6|105.2-170.4 -65.2 -13.0 -0.18| 7.7 -1.4 6000 68 16 21 8| 2.3 2.8 5.0|129.0-171.5 -42.5 -7.1 -0.10| 7.0 -0.7 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251211.12.gif