UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for U0744... Searching the city database file for: U0744 ... Date:1200Z 28 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 1003 22 -6.5 -13.5 58 7.0 -8.2 0 0 266.4 266.6 264.7 270.1 1.34 1 1000 45 -6.9 -13.9 57 7.0 -8.7 360 0 266.2 266.5 264.5 269.8 1.30 2 989 131 -10.1 -17.1 57 7.0 -11.6 3 0 263.9 264.0 262.2 266.7 1.01 3 925 643 -13.5 -18.5 66 5.0 -14.5 20 3 265.5 265.7 263.3 268.2 0.96 4 850 1282 -17.1 -21.3 70 4.2 -17.8 335 5 268.2 268.4 265.0 270.6 0.82 5 844 1335 -17.7 -21.9 70 4.2 -18.4 336 5 268.1 268.3 264.9 270.4 0.78 6 780 1922 -19.7 -23.8 70 4.1 -20.3 348 10 272.1 272.2 267.5 274.2 0.72 7 727 2442 -22.3 -26.8 67 4.5 -22.9 359 15 274.8 274.9 269.0 276.5 0.59 8 700 2719 -23.9 -28.7 65 4.8 -24.5 5 17 276.0 276.1 269.7 277.6 0.51 9 575 4127 -33.3 -38.3 61 5.0 -33.7 34 12 281.0 281.0 272.2 281.8 0.24 10 500 5100 -37.7 -43.7 53 6.0 -38.0 55 9 287.1 287.1 275.4 287.6 0.16 11 474 5467 -39.3 -45.3 53 6.0 -39.6 59 11 289.5 289.5 276.6 290.0 0.14 12 423 6237 -45.1 -51.1 51 6.0 -45.3 66 16 291.7 291.7 277.6 292.0 0.08 13 408 6478 -45.5 -51.5 51 6.0 -45.7 69 18 294.2 294.2 278.9 294.5 0.08 14 402 6577 -46.3 -52.3 51 6.0 -46.5 70 19 294.4 294.4 278.9 294.7 0.08 15 400 6610 -46.3 -52.3 51 6.0 -46.5 70 19 294.8 294.8 279.1 295.1 0.08 16 373 7072 -48.3 -54.3 50 6.0 -48.4 70 19 298.1 298.1 280.6 298.3 0.06 17 358 7342 -48.5 -55.5 44 7.0 -48.7 86 16 301.4 301.4 282.0 301.6 0.06 18 300 8520 -42.9 -53.9 29 11.0 -43.4 155 3 324.9 324.9 290.3 325.2 0.08 19 290 8750 -41.9 -53.9 26 12.0 -42.5 166 3 329.5 329.5 291.7 329.8 0.09 20 250 9760 -41.1 -59.1 13 18.0 -42.0 215 5 345.0 345.0 295.6 345.2 0.05 21 201 11236 -41.7 -65.7 6 24.0 -42.8 225 9 366.2 366.2 299.9 366.3 0.03 22 200 11270 -41.7 -65.7 6 24.0 -42.8 225 9 366.7 366.7 300.0 366.9 0.03 23 150 13210 -43.7 -68.7 5 25.0 -44.9 215 11 394.8 394.8 304.5 394.9 0.02 24 100 15920 -47.5 -71.5 5 24.0 -48.7 210 13 435.9 436.0 309.5 436.1 0.02 25 70 18270 -47.9 -71.9 5 24.0 -49.4 240 27 481.9 481.9 313.6 482.1 0.03 26 50 20480 -49.3 -73.3 4 24.0 -51.1 175 11 527.3 527.3 316.8 527.5 0.04 27 45 21168 -49.5 -73.5 4 24.0 -51.4 166 11 542.9 543.0 317.7 543.2 0.04 28 30 23810 -50.5 -73.5 5 23.0 -52.8 130 9 607.0 607.0 320.9 607.4 0.06 29 28 24260 -51.5 -74.5 5 23.0 -53.8 132 10 616.3 616.3 321.3 616.7 0.06 30 28 24260 -50.3 -74.3 4 24.0 -52.8 132 10 619.6 619.6 321.5 620.1 0.06 31 25 25003 -48.7 -72.7 5 24.0 -51.9 134 13 644.6 644.7 322.5 645.3 0.08 32 20 26470 -49.3 -73.3 4 24.0 -52.8 140 17 685.3 685.3 324.0 686.1 0.09 33 19 26806 -49.5 -73.5 4 24.0 -53.1 694.8 694.8 324.3 695.6 0.10 34 17 27543 -44.7 -69.7 4 25.0 -50.3 732.6 732.7 325.5 734.3 0.19 35 11 30466 -43.1 -68.1 5 25.0 -50.9 835.6 835.8 328.1 839.4 0.36 TRP 373 7072 -48.3 -54.3 50 6.0 -48.4 70 19 298.1 298.1 280.6 298.3 0.06 WND Sounding variables and indices 1000-500 mb thick: 5055.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 63.53 % Est. max temperature: -4.80 C = 23.36 F Sfc-Lift cond lev (LCL): 897.12 mb = 874.25 m = 2868.23 ft T: -14.80 C 700-500 lapse rate: 5.80 C/km ThetaE index: 3.44 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 771.10 mb = 2007.21 m = 6585.26 ft Mean mixing ratio: 1.00 g/kg Conv temperature: -0.37 C = 31.34 F Cap Strength: 11.56 C Lifted Index: 15.89 C Risk: None Lifted Index @300 mb: 40.46 C Lifted Index @700 mb: 8.37 C Showalter Index: 13.73 C Risk: None Total Totals Index: 37.00 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 16.40 C K Index: -5.50 Risk: None Sweat Index: 19.00 Risk: None Energy Index: 3.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.00 J/kg Max Up Vert Vel: 3.74 m/s Conv Inhibition (B-): 74164.86 J/kg Cap Strength: 15.56 C Lift Cond Lev (LCL): 865.95 mb = 1141.48 m = 3744.96 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 52 at 8 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 1003 22 0 0 -0.0 -0.0 | 232 8 6.1 4.8 1 1000 45 360 0 -0.0 -0.0 | 232 8 6.1 4.8 2 925 643 20 3 -1.0 -2.8 | 249 5 5.1 2.0 3 850 1282 335 5 2.1 -4.5 | 268 8 8.2 0.3 4 700 2719 5 17 -1.5 -16.9 | 339 13 4.6 -12.1 5 500 5100 55 9 -7.4 -5.2 | 74 1 -1.3 -0.4 6 400 6610 70 19 -17.9 -6.5 | 82 12 -11.8 -1.7 7 373 7072 70 19 -17.9 -6.5 | 82 12 -11.8 -1.7 8 300 8520 155 3 -1.3 2.7 | 213 9 4.8 7.5 9 250 9760 215 5 2.9 4.1 | 225 13 9.0 8.9 10 200 11270 225 9 6.4 6.4 | 228 17 12.4 11.2 11 150 13210 215 11 6.3 9.0 | 222 19 12.4 13.8 12 100 15920 210 13 6.5 11.3 | 218 20 12.6 16.1 13 70 18270 240 27 23.4 13.5 | 238 35 29.5 18.3 14 50 20480 175 11 -1.0 11.0 | 198 17 5.1 15.8 15 30 23810 130 9 -6.9 5.8 | 176 11 -0.8 10.6 16 20 26470 140 17 -10.9 13.0 | 165 18 -4.8 17.8 Wind Parameters Mean winds (0-6000m): 21.7 at 10.3 knts Storm direction: 51.7 at 7.7 knts Shear (0-3000m) pos: 2.2 neg: 0.9 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 113.1 deg Storm rel helicity (0-3000m) pos: 44.5 neg: 0.0 tot: 44.5 m^2/s^2 ave: 14.8 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.63 Bulk Shear: 11.18 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 16 1 237 7| 2.5 0.0 2.5| 3.0 0.0 3.0 6.0 0.68| 2.5 1.7 1000 11 2 246 6| 1.2 1.1 2.4| 6.0 0.0 6.0 6.0 0.71| 2.6 1.8 1500 353 3 256 7| 0.8 1.8 2.6| 11.3 0.0 11.3 7.6 0.70| 3.0 2.1 2000 350 5 269 7| 1.8 1.4 3.1| 21.8 0.0 21.8 10.9 0.78| 3.4 2.7 2500 356 6 284 7| 2.4 1.1 3.5| 34.7 0.0 34.7 13.9 0.82| 3.7 3.0 3000 0 8 298 7| 2.2 0.9 3.1| 44.5 0.0 44.5 14.8 0.80| 3.8 3.0 4000 7 10 315 7| 1.5 0.7 2.2| 51.7 0.0 51.7 12.9 0.74| 3.6 2.7 5000 13 10 322 6| 1.1 0.5 1.6| 54.3 0.0 54.3 10.9 0.71| 3.5 2.4 6000 22 10 335 5| 1.4 0.5 1.9| 55.1 -0.0 55.1 9.2 0.61| 3.4 2.1 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20250428.12.gif