UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for U0744... Searching the city database file for: U0744 ... Date:1200Z 23 APR 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 1014 15 -3.9 -8.9 68 5.0 -5.4 200 9 268.2 268.5 267.0 273.4 1.92 1 1006 77 -5.3 -14.3 49 9.0 -7.6 200 10 267.4 267.6 265.3 270.9 1.25 2 1002 108 -6.3 -12.3 62 6.0 -7.9 200 11 266.7 266.9 265.1 270.8 1.48 3 1000 124 -6.3 -12.3 62 6.0 -7.9 200 11 266.9 267.1 265.3 270.9 1.48 4 937 630 -8.5 -13.5 67 5.0 -9.8 225 9 269.6 269.9 267.1 273.6 1.44 5 925 730 -9.5 -14.1 69 4.6 -10.6 230 9 269.6 269.8 267.0 273.5 1.39 6 850 1378 -13.9 -18.2 70 4.3 -14.8 260 17 271.6 271.8 267.8 274.6 1.07 7 846 1414 -13.9 -18.1 70 4.2 -14.8 262 17 272.0 272.1 268.0 275.0 1.09 8 735 2467 -20.9 -29.9 44 9.0 -22.1 324 17 275.5 275.5 269.2 276.8 0.43 9 719 2629 -21.9 -31.9 40 10.0 -23.1 333 17 276.1 276.2 269.4 277.2 0.37 10 700 2825 -23.5 -33.5 39 10.0 -24.6 345 17 276.5 276.5 269.6 277.5 0.32 11 634 3543 -26.9 -35.9 42 9.0 -27.8 326 22 280.5 280.6 272.0 281.4 0.28 12 585 4117 -31.9 -41.9 37 10.0 -32.6 310 26 281.2 281.3 272.2 281.8 0.16 13 500 5210 -38.3 -45.3 48 7.0 -38.7 280 33 286.3 286.4 275.0 286.8 0.13 14 499 5224 -38.5 -45.5 48 7.0 -38.8 280 33 286.3 286.3 274.9 286.7 0.13 15 479 5504 -39.7 -46.7 47 7.0 -40.0 280 34 288.1 288.2 275.9 288.6 0.12 16 425 6309 -46.1 -54.1 40 8.0 -46.3 280 35 290.0 290.0 276.7 290.2 0.06 17 400 6710 -47.5 -55.5 39 8.0 -47.7 280 36 293.3 293.3 278.3 293.4 0.05 18 394 6810 -48.5 -57.5 34 9.0 -48.7 280 36 293.2 293.2 278.3 293.4 0.04 19 336 7856 -51.3 -61.3 29 10.0 -51.5 285 33 303.1 303.1 282.7 303.2 0.03 20 300 8600 -48.5 -59.5 27 11.0 -48.8 285 35 317.0 317.0 287.8 317.2 0.04 21 264 9447 -46.1 -60.1 19 14.0 -46.6 285 32 332.3 332.3 292.4 332.5 0.04 22 250 9810 -45.9 -61.9 15 16.0 -46.4 285 31 337.8 337.8 293.8 338.0 0.04 23 200 11300 -45.3 -66.3 8 21.0 -46.0 290 25 361.0 361.0 298.9 361.2 0.03 24 197 11401 -45.3 -67.3 7 22.0 -46.1 289 25 362.6 362.6 299.2 362.7 0.02 25 150 13210 -46.9 -70.9 5 24.0 -47.7 280 21 389.2 389.3 303.7 389.3 0.02 26 100 15890 -48.3 -72.3 5 24.0 -49.4 315 11 434.4 434.4 309.3 434.5 0.02 27 70 18230 -50.1 -74.1 4 24.0 -51.3 335 9 477.2 477.2 313.2 477.3 0.02 28 66 18613 -50.3 -74.3 4 24.0 -51.5 350 9 484.9 484.9 313.8 485.0 0.02 29 50 20420 -50.5 -74.5 4 24.0 -52.1 60 7 524.5 524.5 316.6 524.7 0.03 30 49 20552 -50.1 -74.1 4 24.0 -51.8 61 7 528.5 528.5 316.8 528.7 0.03 31 45 21104 -53.5 -76.5 4 23.0 -54.8 65 9 533.2 533.2 317.1 533.4 0.03 32 33 23102 -52.9 -75.9 5 23.0 -54.6 80 17 584.3 584.3 319.9 584.6 0.04 33 30 23720 -50.9 -73.9 5 23.0 -53.2 85 19 605.9 605.9 320.9 606.3 0.06 34 21 26066 -47.1 -71.1 5 24.0 -51.2 103 34 682.4 682.5 323.9 683.5 0.12 35 20 26390 -45.7 -69.7 5 24.0 -50.4 105 36 696.3 696.4 324.4 697.7 0.16 36 19 26732 -45.3 -69.3 5 24.0 -50.3 707.8 707.9 324.7 709.4 0.18 37 16 27874 -47.1 -71.1 5 24.0 -52.0 737.6 737.7 325.6 739.1 0.16 TRP 336 7856 -51.3 -61.3 29 10.0 -51.5 285 33 303.1 303.1 282.7 303.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5086.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 50.91 % Est. max temperature: -0.86 C = 30.44 F Sfc-Lift cond lev (LCL): 936.90 mb = 631.14 m = 2070.64 ft T: -8.51 C 700-500 lapse rate: 6.21 C/km ThetaE index: 2.65 C Layer 1006.0-1000.0 mb Conv cond level (CCL): 829.09 mb = 1564.91 m = 5134.17 ft Mean mixing ratio: 1.45 g/kg Conv temperature: 0.40 C = 32.73 F Cap Strength: 8.04 C Lifted Index: 11.60 C Risk: None Lifted Index @300 mb: 31.58 C Lifted Index @700 mb: 4.99 C Showalter Index: 9.84 C Risk: None Total Totals Index: 44.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.40 C Cross Totals Index: 20.10 C K Index: -3.80 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 2.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.75 J/kg Max Up Vert Vel: 4.18 m/s Conv Inhibition (B-): 61783.34 J/kg Cap Strength: 11.51 C Lift Cond Lev (LCL): 881.81 mb = 1096.46 m = 3597.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 319 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 1014 15 200 9 3.1 8.5 | 160 22 -7.5 20.5 1 1000 124 200 11 3.8 10.3 | 163 23 -6.8 22.4 2 925 730 230 9 6.9 5.8 | 168 18 -3.7 17.8 3 850 1378 260 17 16.7 3.0 | 202 16 6.1 15.0 4 700 2825 345 17 4.4 -16.4 | 55 8 -6.2 -4.4 5 500 5210 280 33 32.5 -5.7 | 254 23 21.9 6.3 6 400 6710 280 36 35.5 -6.3 | 257 26 24.9 5.8 7 336 7856 285 33 31.9 -8.5 | 261 22 21.3 3.5 8 300 8600 285 35 33.8 -9.1 | 263 23 23.2 3.0 9 250 9810 285 31 29.9 -8.0 | 258 20 19.3 4.0 10 200 11300 290 25 23.5 -8.6 | 255 13 12.9 3.5 11 150 13210 280 21 20.7 -3.6 | 230 13 10.1 8.4 12 100 15890 315 11 7.8 -7.8 | 147 5 -2.8 4.3 13 70 18230 335 9 3.8 -8.2 | 120 8 -6.8 3.9 14 50 20420 60 7 -6.1 -3.5 | 117 19 -16.7 8.6 15 30 23720 85 19 -18.9 -1.7 | 109 31 -29.5 10.4 16 20 26390 105 36 -34.8 9.3 | 115 50 -45.4 21.4 Wind Parameters Mean winds (0-6000m): 288.7 at 21.4 knts Storm direction: 318.7 at 16.1 knts Shear (0-3000m) pos: 4.4 neg: 0.0 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): -119.7 deg Storm rel helicity (0-3000m) pos: 85.4 neg: -3.3 tot: 82.2 m^2/s^2 ave: 27.4 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 4.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.13 Bulk Shear: 66.10 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 ------------------------------------------------------------------------------- 500 207 10 164 22| 3.3 0.0 3.3| 16.7 0.0 16.7 33.4 0.52| 5.7 2.9 1000 219 10 168 20| 4.4 0.0 4.4| 38.9 0.0 38.9 38.9 0.64| 6.0 3.8 1500 236 12 178 19| 5.5 0.0 5.5| 70.9 0.0 70.9 47.2 0.73| 6.9 5.0 2000 251 13 187 16| 5.2 0.0 5.2| 80.4 0.0 80.4 40.2 0.63| 7.4 4.7 2500 265 14 194 14| 4.8 0.0 4.8| 83.1 0.0 83.1 33.2 0.62| 7.8 4.8 3000 279 15 201 11| 4.4 0.0 4.4| 85.4 -3.3 82.2 27.4 0.52| 7.7 4.0 4000 297 16 220 6| 3.3 1.6 4.9| 85.4 -23.2 62.2 15.5 0.21| 7.4 1.6 5000 294 19 237 8| 2.7 2.7 5.3| 85.4 -62.0 23.4 4.7 0.03| 7.4 0.2 6000 289 21 242 11| 2.2 2.6 4.8| 89.7 -74.1 15.6 2.6 0.01| 6.6 0.1 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20250423.12.gif