UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122600.upa.cvt Date: 0000Z 26 DEC 25 Searching for U0744... Searching the city database file for: U0744 ... Date:0000Z 26 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 ------------------------------------------------------------------------------- 0 1000 -49 140 9 SFC 991 22 -4.3 -7.4 79 3.1 -5.3 140 9 269.5 269.9 268.4 275.6 2.21 2 987 54 -4.3 -10.3 63 6.0 -6.1 145 9 269.9 270.1 267.8 274.7 1.77 3 925 563 -6.9 -10.0 79 3.1 -7.8 230 13 272.3 272.6 269.7 277.6 1.93 4 905 733 -7.9 -9.9 86 2.0 -8.5 260 14 272.9 273.3 270.2 278.5 1.99 5 879 961 -6.9 -8.5 88 1.6 -7.4 299 14 276.3 276.6 272.7 282.7 2.29 6 852 1204 -7.9 -9.2 90 1.3 -8.3 342 15 277.7 278.1 273.5 284.0 2.23 7 850 1222 -7.9 -9.3 90 1.4 -8.4 345 15 277.9 278.2 273.5 284.1 2.22 8 845 1268 -7.9 -9.4 89 1.5 -8.4 345 15 278.3 278.7 273.8 284.6 2.22 9 732 2365 -16.3 -18.6 82 2.3 -16.8 349 15 280.8 281.0 273.6 284.4 1.20 10 727 2417 -15.9 -18.3 82 2.4 -16.4 349 15 281.8 282.0 274.3 285.5 1.24 11 702 2680 -15.7 -19.9 70 4.2 -16.6 350 15 284.9 285.1 275.7 288.2 1.12 12 700 2702 -15.7 -19.9 70 4.2 -16.6 350 15 285.1 285.3 275.9 288.5 1.12 13 663 3110 -18.5 -25.5 54 7.0 -19.7 355 14 286.4 286.5 276.0 288.7 0.72 14 574 4172 -25.3 -36.3 35 11.0 -26.5 8 11 290.5 290.5 277.4 291.5 0.30 15 500 5160 -32.5 -40.5 45 8.0 -33.1 20 9 293.4 293.5 278.7 294.2 0.22 16 487 5344 -33.9 -40.9 49 7.0 -34.4 22 9 293.9 294.0 278.9 294.7 0.22 17 423 6313 -40.9 -45.3 62 4.4 -41.1 31 12 297.0 297.1 280.3 297.6 0.16 18 400 6690 -43.5 -48.2 60 4.7 -43.7 35 13 298.5 298.5 280.8 298.9 0.12 19 327 8022 -52.1 -57.1 55 5.0 -52.2 35 17 304.3 304.3 283.2 304.5 0.05 20 303 8516 -52.7 -58.7 48 6.0 -52.8 35 19 310.2 310.2 285.4 310.4 0.05 21 300 8580 -52.9 -58.9 48 6.0 -53.0 35 19 310.8 310.8 285.7 311.0 0.05 22 276 9114 -54.9 -59.9 54 5.0 -55.0 32 20 315.4 315.4 287.3 315.6 0.04 23 254 9640 -58.1 -64.1 46 6.0 -58.2 30 21 318.2 318.2 288.2 318.3 0.03 24 250 9740 -57.9 -63.9 46 6.0 -58.0 25 21 320.0 320.0 288.8 320.1 0.03 25 200 11150 -56.5 -62.5 47 6.0 -56.6 5 31 343.3 343.3 295.1 343.5 0.04 26 175 11996 -56.9 -63.9 41 7.0 -57.1 356 33 356.0 356.0 298.0 356.2 0.04 27 166 12330 -56.5 -63.5 41 7.0 -56.6 352 34 362.1 362.1 299.1 362.3 0.05 28 150 12970 -58.3 -65.3 40 7.0 -58.5 345 35 369.6 369.6 300.5 369.8 0.04 29 133 13723 -59.7 -67.7 35 8.0 -59.9 348 39 380.1 380.1 302.3 380.2 0.03 30 100 15490 -63.1 -72.1 29 9.0 -63.3 355 48 405.8 405.8 306.0 405.9 0.02 31 71 17575 -68.5 -77.5 26 9.0 -68.6 345 50 436.1 436.1 309.5 436.1 0.01 32 70 17660 -68.7 -77.7 26 9.0 -68.8 345 50 437.4 437.4 309.6 437.5 0.01 33 50 19650 -72.5 -81.5 24 9.0 -72.6 350 58 472.6 472.6 312.8 472.7 0.01 34 42 20671 -74.1 -83.1 24 9.0 -74.2 492.8 492.9 314.4 492.9 0.01 TRP 254 9640 -58.1 -64.1 46 6.0 -58.2 30 21 318.2 318.2 288.2 318.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5209.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 63.96 % Est. max temperature: 4.56 C = 40.20 F Sfc-Lift cond lev (LCL): 943.58 mb = 407.01 m = 1335.32 ft T: -6.10 C 700-500 lapse rate: 6.83 C/km ThetaE index: 0.84 C Layer 987.0- 925.0 mb Conv cond level (CCL): 784.86 mb = 1832.22 m = 6011.13 ft Mean mixing ratio: 1.91 g/kg Conv temperature: 5.78 C = 42.40 F Cap Strength: 12.24 C Lifted Index: 13.77 C Risk: None Lifted Index @300 mb: 23.96 C Lifted Index @700 mb: 9.24 C Showalter Index: 8.20 C Risk: None Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.60 C Cross Totals Index: 23.20 C K Index: 11.10 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 2.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.86 J/kg Max Up Vert Vel: 5.45 m/s Conv Inhibition (B-): 34558.11 J/kg Cap Strength: 13.68 C Lift Cond Lev (LCL): 885.31 mb = 904.85 m = 2968.62 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 24 at 9 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 ---------------------------------------------------------- 0 991 22 140 9 -5.8 6.9 | 173 16 -1.9 15.5 1 925 563 230 13 10.0 8.4 | 219 22 13.8 17.0 2 850 1222 345 15 3.9 -14.5 | 307 10 7.7 -5.9 3 700 2702 350 15 2.6 -14.8 | 314 9 6.5 -6.2 4 500 5160 20 9 -3.1 -8.5 | 260 1 0.8 0.1 5 400 6690 35 13 -7.5 -10.6 | 60 4 -3.6 -2.0 6 300 8580 35 19 -10.9 -15.6 | 45 10 -7.0 -7.0 7 254 9640 30 21 -10.5 -18.2 | 35 12 -6.6 -9.6 8 250 9740 25 21 -8.9 -19.0 | 26 12 -5.0 -10.4 9 200 11150 5 31 -2.7 -30.9 | 357 22 1.2 -22.3 10 150 12970 345 35 9.1 -33.8 | 333 28 12.9 -25.2 11 100 15490 355 48 4.2 -47.8 | 348 40 8.0 -39.2 12 70 17660 345 50 12.9 -48.3 | 337 43 16.8 -39.7 13 50 19650 350 58 10.1 -57.1 | 344 50 13.9 -48.5 Wind Parameters Mean winds (0-6000m): 354.2 at 12.6 knts Storm direction: 24.2 at 9.4 knts Shear (0-3000m) pos: 3.8 neg: 0.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 143.0 deg Storm rel helicity (0-3000m) pos: 199.7 neg: 0.0 tot: 199.7 m^2/s^2 ave: 66.6 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 7.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.21 Bulk Shear: 70.97 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 ------------------------------------------------------------------------------- 500 191 11 197 20| 15.1 0.0 15.1| 75.5 0.0 75.5 151.0 0.90| 16.6 14.9 1000 237 12 222 21| 12.0 0.0 12.0|173.1 0.0 173.1 173.1 0.91| 19.0 17.3 1500 287 13 254 17| 8.0 0.0 8.0|197.0 0.0 197.0 131.3 0.89| 15.8 14.1 2000 318 14 276 13| 6.0 0.0 6.0|197.9 0.0 197.9 98.9 0.89| 12.0 10.7 2500 330 14 287 11| 4.8 0.0 4.8|198.7 0.0 198.7 79.5 0.89| 9.7 8.6 3000 335 14 293 11| 3.8 0.0 3.8|199.7 0.0 199.7 66.6 0.88| 8.3 7.3 4000 343 14 300 9| 2.5 0.0 2.5|200.5 0.0 200.5 50.1 0.82| 6.7 5.5 5000 348 13 303 8| 1.6 0.0 1.6|200.5 -0.4 200.1 40.0 0.76| 5.7 4.3 6000 354 13 307 6| 1.4 0.0 1.4|200.8 -0.5 200.3 33.4 0.74| 5.0 3.7 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251226.00.gif