UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for U0744... Searching the city database file for: U0744 ... Date:0000Z 20 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 1005 15 -8.7 -13.2 70 4.5 -9.8 0 0 264.1 264.3 263.1 267.8 1.37 1 1000 54 -8.7 -13.7 67 5.0 -9.9 5 1 264.5 264.7 263.3 268.1 1.32 2 925 655 -12.1 -15.0 79 2.9 -12.8 350 21 266.9 267.1 265.0 270.5 1.29 3 923 672 -12.1 -15.0 79 2.9 -12.8 350 21 267.1 267.3 265.1 270.7 1.29 4 850 1294 -17.9 -20.1 83 2.2 -18.3 360 25 267.4 267.5 264.6 270.0 0.91 5 824 1526 -19.3 -21.4 83 2.1 -19.7 358 23 268.3 268.4 265.1 270.7 0.84 6 817 1589 -17.7 -19.5 86 1.8 -18.0 357 23 270.7 270.8 267.0 273.5 1.00 7 803 1719 -17.3 -20.1 79 2.8 -17.8 356 22 272.4 272.6 268.1 275.2 0.96 8 720 2532 -19.7 -29.7 41 10.0 -21.1 347 16 278.4 278.5 271.0 279.8 0.45 9 715 2584 -20.1 -30.1 41 10.0 -21.4 347 16 278.5 278.6 271.1 279.9 0.44 10 700 2741 -21.1 -31.1 40 10.0 -22.4 345 15 279.1 279.2 271.4 280.4 0.41 11 500 5140 -38.1 -42.3 65 4.2 -38.4 345 15 286.6 286.6 275.2 287.2 0.18 12 444 5945 -44.3 -48.1 66 3.8 -44.5 324 11 288.7 288.7 276.2 289.0 0.11 13 426 6222 -45.1 -48.8 66 3.7 -45.2 316 9 291.1 291.1 277.4 291.5 0.11 14 400 6640 -47.1 -51.1 63 4.0 -47.2 305 7 293.8 293.8 278.7 294.1 0.09 15 347 7575 -50.9 -56.9 49 6.0 -51.0 290 7 300.8 300.8 281.8 301.0 0.05 16 300 8530 -48.1 -55.1 44 7.0 -48.3 300 15 317.6 317.6 288.1 317.8 0.07 17 250 9740 -45.3 -56.3 28 11.0 -45.7 305 17 338.7 338.7 294.1 339.0 0.07 18 200 11230 -43.9 -60.9 14 17.0 -44.7 300 19 363.3 363.3 299.4 363.5 0.05 19 178 12013 -44.3 -64.3 9 20.0 -45.2 298 20 374.9 374.9 301.4 375.1 0.04 20 150 13160 -45.1 -67.1 7 22.0 -46.1 295 21 392.3 392.4 304.2 392.5 0.03 21 102 15720 -48.3 -72.3 5 24.0 -49.4 314 21 431.9 432.0 309.0 432.1 0.02 22 100 15850 -48.3 -72.3 5 24.0 -49.4 315 21 434.4 434.4 309.3 434.5 0.02 23 70 18190 -49.9 -73.9 4 24.0 -51.1 325 21 477.6 477.6 313.2 477.8 0.02 24 50 20380 -51.3 -74.3 5 23.0 -52.7 345 27 522.6 522.6 316.5 522.8 0.03 25 30 23680 -54.5 -77.5 4 23.0 -56.1 360 35 596.1 596.1 320.5 596.3 0.03 26 20 26290 -52.1 -75.1 5 23.0 -54.9 10 50 676.7 676.7 323.7 677.3 0.07 27 18 26972 -52.5 -75.5 5 23.0 -55.4 696.1 696.2 324.3 696.8 0.08 28 12 29621 -47.7 -71.7 5 24.0 -53.2 798.7 798.8 327.3 800.7 0.20 TRP 347 7575 -50.9 -56.9 49 6.0 -51.0 290 7 300.8 300.8 281.8 301.0 0.05 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: 61.43 % Est. max temperature: -5.39 C = 22.30 F Sfc-Lift cond lev (LCL): 935.09 mb = 571.37 m = 1874.56 ft T: -11.63 C 700-500 lapse rate: 7.09 C/km ThetaE index: 0.71 C Layer 850.0- 824.0 mb Conv cond level (CCL): 878.80 mb = 1042.26 m = 3419.44 ft Mean mixing ratio: 1.30 g/kg Conv temperature: -5.48 C = 22.13 F Cap Strength: 9.82 C Lifted Index: 14.20 C Risk: None Lifted Index @300 mb: 34.09 C Lifted Index @700 mb: 9.82 C Showalter Index: 13.79 C Risk: None Total Totals Index: 38.20 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 18.00 C K Index: -9.90 Risk: None Sweat Index: 65.00 Risk: None Energy Index: 3.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.82 J/kg Max Up Vert Vel: 3.96 m/s Conv Inhibition (B-): 68476.26 J/kg Cap Strength: 14.03 C Lift Cond Lev (LCL): 897.61 mb = 882.26 m = 2894.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 19 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 1005 15 0 0 -0.0 -0.0 | 199 12 3.9 11.5 1 1000 54 5 1 -0.1 -1.0 | 200 11 3.8 10.5 2 925 655 350 21 3.6 -20.7 | 321 12 7.5 -9.2 3 850 1294 360 25 -0.0 -25.0 | 344 14 3.9 -13.5 4 700 2741 345 15 3.9 -14.5 | 291 8 7.7 -3.0 5 500 5140 345 15 3.9 -14.5 | 291 8 7.7 -3.0 6 400 6640 305 7 5.7 -4.0 | 232 12 9.6 7.5 7 347 7575 290 7 6.6 -2.4 | 229 14 10.4 9.1 8 300 8530 300 15 13.0 -7.5 | 257 17 16.8 4.0 9 250 9740 305 17 13.9 -9.8 | 264 18 17.8 1.8 10 200 11230 300 19 16.5 -9.5 | 264 20 20.3 2.0 11 150 13160 295 21 19.0 -8.9 | 263 23 22.9 2.6 12 100 15850 315 21 14.8 -14.8 | 280 19 18.7 -3.3 13 70 18190 325 21 12.0 -17.2 | 290 17 15.9 -5.7 14 50 20380 345 27 7.0 -26.1 | 323 18 10.8 -14.6 15 30 23680 360 35 -0.0 -35.0 | 351 24 3.9 -23.5 16 20 26290 10 50 -8.7 -49.2 | 7 38 -4.8 -37.7 Wind Parameters Mean winds (0-6000m): 348.5 at 16.2 knts Storm direction: 18.5 at 12.1 knts Shear (0-3000m) pos: 1.2 neg: 1.5 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 92.5 deg Storm rel helicity (0-3000m) pos: 38.9 neg: -26.7 tot: 12.2 m^2/s^2 ave: 4.1 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.88 Bulk Shear: 8.94 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 ------------------------------------------------------------------------------- 500 354 8 233 6| 0.0 16.8 16.8| 17.4 0.0 17.4 34.8 0.68| 17.2 11.6 1000 352 15 297 7| 3.6 8.4 12.0| 31.2 0.0 31.2 31.2 0.66| 12.6 8.2 1500 355 18 319 8| 2.5 5.6 8.1| 38.9 -4.5 34.5 23.0 0.60| 9.7 5.8 2000 355 19 323 9| 1.9 3.4 5.2| 38.9 -14.4 24.5 12.3 0.42| 8.3 3.5 2500 355 19 322 9| 1.5 2.1 3.6| 38.9 -23.1 15.8 6.3 0.28| 7.5 2.1 3000 354 18 318 9| 1.2 1.5 2.7| 38.9 -26.7 12.2 4.1 0.23| 6.5 1.5 4000 352 17 312 9| 0.9 1.1 2.1| 38.9 -26.7 12.2 3.1 0.23| 4.9 1.1 5000 350 17 307 8| 0.7 0.9 1.6| 38.9 -26.7 12.2 2.4 0.23| 3.9 0.9 6000 349 16 302 8| 0.6 0.6 1.3| 38.9 -43.0 -4.1 -0.7 0.05| 3.8 0.2 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20250420.00.gif