UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103112.upa.cvt Date: 1200Z 31 OCT 25 Searching for U4947... Searching the city database file for: U4947 ... Date:1200Z 31 OCT 25 Station: U4947 WMO ident: 24947 ------------------------------------------------------------------------------- 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 1002 135 -11.7 -16.7 66 5.0 -12.7 290 3 261.3 261.5 260.3 264.1 1.03 1 1000 150 -11.9 -16.9 66 5.0 -12.9 290 3 261.2 261.4 260.2 264.0 1.02 2 925 741 -16.5 -21.0 68 4.5 -17.3 310 21 262.4 262.6 260.7 264.6 0.77 3 850 1373 -19.5 -23.2 72 3.7 -20.1 305 11 265.7 265.8 263.0 267.7 0.69 4 811 1720 -22.7 -25.5 78 2.8 -23.1 315 11 265.9 266.0 262.9 267.6 0.59 5 801 1811 -20.9 -23.7 78 2.8 -21.3 317 11 268.8 268.9 265.2 270.8 0.70 6 700 2798 -25.5 -27.8 81 2.3 -25.8 345 11 274.2 274.3 268.6 275.9 0.56 7 671 3104 -26.7 -28.9 82 2.2 -27.0 344 11 276.2 276.3 269.8 277.8 0.52 8 586 4072 -30.5 -33.6 74 3.1 -30.8 342 11 282.7 282.8 273.4 283.9 0.38 9 500 5180 -38.5 -42.0 69 3.5 -38.7 340 11 286.1 286.1 274.9 286.7 0.19 10 472 5573 -41.5 -44.8 70 3.3 -41.6 343 12 287.1 287.2 275.4 287.6 0.15 11 400 6680 -48.1 -52.6 60 4.5 -48.2 350 15 292.5 292.5 278.0 292.7 0.07 12 354 7476 -53.5 -58.2 56 4.7 -53.6 348 15 295.6 295.6 279.4 295.8 0.04 13 302 8488 -58.3 -63.1 54 4.8 -58.3 345 15 302.6 302.6 282.5 302.7 0.03 14 300 8530 -57.9 -62.7 54 4.8 -58.0 345 15 303.7 303.7 282.9 303.8 0.03 15 250 9680 -57.3 -62.2 54 4.9 -57.4 345 19 320.9 320.9 289.0 321.0 0.04 16 200 11100 -54.3 -60.3 48 6.0 -54.5 335 21 346.8 346.8 296.0 347.0 0.06 17 150 12940 -55.7 -63.7 36 8.0 -55.9 325 19 374.1 374.1 301.3 374.3 0.05 18 100 15520 -57.5 -68.5 23 11.0 -57.8 315 21 416.6 416.6 307.3 416.8 0.04 19 90 16184 -56.9 -68.9 21 12.0 -57.3 311 19 430.6 430.6 308.9 430.8 0.04 20 77 17165 -58.5 -70.5 20 12.0 -58.9 304 17 446.9 446.9 310.6 447.1 0.04 21 70 17760 -60.1 -73.1 17 13.0 -60.4 300 15 455.8 455.8 311.4 456.0 0.03 22 66 18127 -61.7 -74.7 16 13.0 -62.0 298 17 460.1 460.1 311.8 460.2 0.02 23 50 19850 -61.7 -75.7 14 14.0 -62.1 290 29 498.1 498.1 314.8 498.2 0.03 24 30 23010 -61.1 -76.1 12 15.0 -61.8 260 33 578.1 578.1 319.6 578.4 0.04 25 27 23667 -61.3 -76.3 12 15.0 -62.1 260 37 595.2 595.2 320.4 595.5 0.04 26 20 25550 -58.1 -74.1 11 16.0 -59.6 260 50 658.3 658.4 323.0 659.0 0.08 27 14 27813 -54.9 -72.9 9 18.0 -57.6 739.9 739.9 325.7 741.2 0.14 28 13 28285 -56.9 -74.4 9 17.5 -59.3 240 66 748.7 748.8 325.9 749.9 0.12 29 12 28789 -59.1 -76.1 9 17.0 -61.1 758.3 758.4 326.2 759.3 0.10 30 12 28789 -54.1 -72.1 9 18.0 -57.3 776.1 776.2 326.7 777.9 0.19 TRP 302 8488 -58.3 -63.1 54 4.8 -58.3 345 15 302.6 302.6 282.5 302.7 0.03 WND 13 28285 -56.9 -74.4 9 17.5 -59.3 240 66 748.7 748.8 325.9 749.9 0.12 Sounding variables and indices 1000-500 mb thick: 5030.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 74.71 % Est. max temperature: -7.37 C = 18.73 F Sfc-Lift cond lev (LCL): 924.26 mb = 746.97 m = 2450.65 ft T: -16.53 C 700-500 lapse rate: 5.46 C/km ThetaE index: 0.09 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 832.33 mb = 1528.12 m = 5013.47 ft Mean mixing ratio: 0.87 g/kg Conv temperature: -7.19 C = 19.06 F Cap Strength: 15.95 C Lifted Index: 17.85 C Risk: None Lifted Index @300 mb: 27.80 C Lifted Index @700 mb: 9.58 C Showalter Index: 15.21 C Risk: None Total Totals Index: 34.30 C Risk: None Vertical Totals Index: 19.00 C Cross Totals Index: 15.30 C K Index: -6.50 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 4.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.10 J/kg Max Up Vert Vel: 3.49 m/s Conv Inhibition (B-): 70682.69 J/kg Cap Strength: 17.80 C Lift Cond Lev (LCL): 882.45 mb = 1092.95 m = 3585.75 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 1 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 1002 135 290 3 2.8 -1.0 | 201 8 3.0 7.8 1 1000 150 290 3 2.8 -1.0 | 201 8 3.0 7.8 2 925 741 310 21 16.1 -13.5 | 286 17 16.2 -4.7 3 850 1373 305 11 9.0 -6.3 | 255 10 9.2 2.5 4 700 2798 345 11 2.8 -10.6 | 301 3 3.0 -1.8 5 500 5180 340 11 3.8 -10.3 | 291 4 3.9 -1.5 6 400 6680 350 15 2.6 -14.8 | 335 7 2.8 -5.9 7 302 8488 345 15 3.9 -14.5 | 324 7 4.0 -5.6 8 300 8530 345 15 3.9 -14.5 | 324 7 4.0 -5.6 9 250 9680 345 19 4.9 -18.4 | 332 11 5.1 -9.5 10 200 11100 335 21 8.9 -19.0 | 318 14 9.0 -10.2 11 150 12940 325 19 10.9 -15.6 | 301 13 11.0 -6.7 12 100 15520 315 21 14.8 -14.8 | 292 16 15.0 -6.0 13 70 17760 300 15 13.0 -7.5 | 264 13 13.1 1.3 14 50 19850 290 29 27.3 -9.9 | 272 27 27.4 -1.1 15 30 23010 260 33 32.5 5.7 | 246 36 32.6 14.6 16 20 25550 260 50 49.2 8.7 | 250 52 49.4 17.5 Wind Parameters Mean winds (0-6000m): 331.0 at 11.8 knts Storm direction: 1.0 at 8.8 knts Shear (0-3000m) pos: 1.6 neg: 0.0 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 98.4 deg Storm rel helicity (0-3000m) pos: 53.9 neg: -21.8 tot: 32.2 m^2/s^2 ave: 10.7 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.60 Bulk Shear: 3.82 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 ------------------------------------------------------------------------------- 500 304 10 250 9| 15.3 0.0 15.3| 36.5 0.0 36.5 73.1 0.89| 15.6 13.8 1000 308 14 269 11| 6.1 0.0 6.1| 46.4 -14.2 32.2 32.2 0.49| 12.6 6.2 1500 308 13 267 11| 2.8 0.0 2.8| 47.9 -21.7 26.2 17.5 0.34| 10.1 3.5 2000 310 13 267 10| 2.3 0.0 2.3| 51.1 -21.7 29.4 14.7 0.36| 8.3 3.0 2500 314 12 269 9| 1.9 0.0 1.9| 53.3 -21.7 31.6 12.7 0.38| 7.2 2.7 3000 319 12 272 8| 1.6 0.0 1.6| 53.9 -21.8 32.2 10.7 0.39| 6.1 2.4 4000 324 12 277 7| 1.2 0.1 1.3| 53.9 -22.1 31.9 8.0 0.37| 4.7 1.7 5000 328 12 280 6| 1.0 0.1 1.1| 53.9 -22.3 31.6 6.3 0.36| 3.8 1.4 6000 331 12 284 6| 1.1 0.1 1.1| 57.1 -22.3 34.8 5.8 0.40| 3.4 1.4 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20251031.12.gif