UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050100.upa.cvt Date: 0000Z 1 MAY 25 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 1 MAY 25 Station: U4688 WMO ident: 24688 Latitude: 63.27 Longitude: 143.15 ------------------------------------------------------------------------------- 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 115 SFC 926 738 0.8 -2.8 77 3.6 -0.6 150 1 280.0 280.6 276.3 289.4 3.35 2 925 747 0.6 -3.4 75 4.0 -1.0 150 1 279.9 280.5 276.1 288.9 3.21 3 874 1192 -4.3 -7.9 76 3.6 -5.5 210 2 279.4 279.8 274.7 286.2 2.41 4 850 1408 -5.7 -8.8 79 3.1 -6.7 240 3 280.2 280.6 275.0 286.7 2.31 5 782 2062 -8.5 -14.5 62 6.0 -10.2 259 5 283.9 284.2 275.9 288.6 1.59 6 734 2553 -12.5 -21.5 47 9.0 -14.5 274 6 284.8 284.9 275.4 287.6 0.93 7 700 2915 -16.1 -23.1 55 7.0 -17.4 285 7 284.7 284.8 275.2 287.2 0.85 8 631 3685 -22.7 -27.7 64 5.0 -23.4 285 8 285.7 285.8 275.4 287.6 0.62 9 623 3779 -21.5 -26.5 64 5.0 -22.3 285 8 288.1 288.2 276.8 290.3 0.70 10 548 4715 -26.3 -32.3 57 6.0 -27.1 285 10 293.2 293.3 278.9 294.7 0.46 11 500 5370 -31.5 -39.5 45 8.0 -32.2 285 11 294.6 294.7 279.3 295.5 0.25 12 413 6694 -41.3 -51.3 33 10.0 -41.7 311 21 298.6 298.6 280.8 298.9 0.08 13 400 6910 -42.5 -52.5 33 10.0 -42.9 315 23 299.8 299.8 281.3 300.0 0.07 14 367 7487 -47.3 -57.3 31 10.0 -47.6 312 22 300.8 300.8 281.8 301.0 0.05 15 320 8384 -52.9 -61.9 33 9.0 -53.1 306 19 305.1 305.1 283.5 305.2 0.03 16 311 8568 -53.7 -62.7 32 9.0 -53.8 305 19 306.5 306.5 284.0 306.6 0.03 17 300 8800 -53.7 -62.7 32 9.0 -53.8 305 19 309.7 309.7 285.2 309.8 0.03 18 250 9980 -50.5 -60.5 30 10.0 -50.8 300 13 331.0 331.0 292.0 331.2 0.04 19 215 10958 -48.3 -61.3 21 13.0 -48.7 293 10 349.0 349.0 296.4 349.2 0.05 20 200 11430 -48.7 -62.7 18 14.0 -49.1 290 9 355.7 355.7 297.8 355.8 0.04 21 150 13330 -48.9 -68.9 8 20.0 -49.6 325 7 385.8 385.8 303.2 385.9 0.02 22 100 15970 -50.1 -74.1 4 24.0 -51.0 320 7 430.9 430.9 308.9 431.0 0.02 23 70 18310 -49.5 -74.5 4 25.0 -50.8 275 5 478.5 478.5 313.4 478.6 0.02 24 67 18597 -48.7 -73.7 4 25.0 -50.2 486.3 486.3 314.0 486.4 0.03 25 54 20014 -49.1 -74.1 4 25.0 -50.8 516.3 516.3 316.1 516.5 0.03 TRP 311 8568 -53.7 -62.7 32 9.0 -53.8 305 19 306.5 306.5 284.0 306.6 0.03 WND Sounding variables and indices 1000-500 mb thick: 5255.00 m Freezing level: 918.76 mb = 801.49 m = 2629.52 ft Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 61.04 % Est. max temperature: 4.71 C = 40.47 F Sfc-Lift cond lev (LCL): 875.45 mb = 1179.00 m = 3868.07 ft T: -4.16 C 700-500 lapse rate: 6.27 C/km ThetaE index: 3.20 C Layer 925.0- 850.0 mb Conv cond level (CCL): 779.75 mb = 2084.76 m = 6839.68 ft Mean mixing ratio: 2.54 g/kg Conv temperature: 4.65 C = 40.36 F Cap Strength: 6.26 C Lifted Index: 6.86 C Risk: None Lifted Index @300 mb: 15.95 C Lifted Index @700 mb: 1.40 C Showalter Index: 7.18 C Risk: None Total Totals Index: 48.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.80 C Cross Totals Index: 22.70 C K Index: 10.00 Risk: None Sweat Index: 17.00 Risk: None Energy Index: 1.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.51 J/kg Max Up Vert Vel: 3.61 m/s Conv Inhibition (B-): 30976.97 J/kg Cap Strength: 6.75 C Lift Cond Lev (LCL): 827.33 mb = 1620.16 m = 5315.43 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 320 at 7 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 ---------------------------------------------------------- 0 926 738 150 1 -0.5 0.9 | 141 8 -4.9 6.1 1 925 747 150 1 -0.5 0.9 | 141 8 -4.9 6.1 2 850 1408 240 3 2.6 1.5 | 165 7 -1.8 6.7 3 700 2915 285 7 6.8 -1.8 | 215 4 2.4 3.4 4 500 5370 285 11 10.6 -2.8 | 249 7 6.3 2.4 5 400 6910 315 23 16.3 -16.3 | 313 16 11.9 -11.0 6 311 8568 305 19 15.6 -10.9 | 297 13 11.2 -5.7 7 300 8800 305 19 15.6 -10.9 | 297 13 11.2 -5.7 8 250 9980 300 13 11.3 -6.5 | 280 7 6.9 -1.3 9 200 11430 290 9 8.5 -3.1 | 242 5 4.1 2.1 10 150 13330 325 7 4.0 -5.7 | 34 1 -0.3 -0.5 11 100 15970 320 7 4.5 -5.4 | 315 0 0.1 -0.1 12 70 18310 275 5 5.0 -0.4 | 187 5 0.6 4.8 Wind Parameters Mean winds (0-6000m): 290.1 at 9.1 knts Storm direction: 320.1 at 6.8 knts Shear (0-3000m) pos: 1.4 neg: 0.1 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 89.0 deg Storm rel helicity (0-3000m) pos: 15.6 neg: 0.0 tot: 15.6 m^2/s^2 ave: 5.2 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 1.8 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.57 Bulk Shear: 11.39 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 ------------------------------------------------------------------------------- 500 199 2 151 8| 2.4 0.0 2.4| 5.0 0.0 5.0 10.1 0.94| 2.6 2.4 1000 233 2 160 7| 2.1 0.0 2.1| 8.6 0.0 8.6 8.6 0.89| 2.5 2.2 1500 247 3 167 7| 2.0 0.0 2.0| 11.1 0.0 11.1 7.4 0.89| 2.3 2.0 2000 261 4 174 6| 1.9 0.0 1.9| 13.4 0.0 13.4 6.7 0.87| 2.2 1.9 2500 270 4 181 5| 1.7 0.0 1.7| 14.7 0.0 14.7 5.9 0.87| 2.0 1.8 3000 274 5 188 5| 1.4 0.1 1.6| 15.6 0.0 15.6 5.2 0.87| 1.8 1.6 4000 279 6 201 5| 1.1 0.3 1.4| 17.3 0.0 17.3 4.3 0.85| 1.6 1.4 5000 281 7 215 5| 1.2 0.3 1.5| 23.8 0.0 23.8 4.8 0.84| 1.7 1.4 6000 290 9 243 5| 1.7 0.3 2.0| 46.7 0.0 46.7 7.8 0.81| 2.3 1.8 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20250501.00.gif