UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 28 APR 25 Station: U9231 WMO ident: 29231 Latitude: 58.30 Longitude: 82.88 ------------------------------------------------------------------------------- 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 79 2.4 2.2 99 0.2 2.3 80 3 275.3 276.1 275.3 287.4 4.47 1 1000 103 2.4 2.2 99 0.2 2.3 80 3 275.5 276.3 275.5 287.7 4.48 2 961 423 0.4 0.4 100 0.0 0.4 95 3 276.7 277.4 275.6 287.9 4.09 3 944 566 -0.5 -0.5 100 0.0 -0.5 102 3 277.2 277.8 275.6 287.9 3.90 4 925 729 2.2 2.2 100 0.0 2.2 110 3 281.6 282.4 279.1 295.0 4.85 5 888 1062 6.2 6.2 100 0.0 6.2 115 3 289.0 290.2 284.5 308.0 6.70 6 850 1421 5.0 3.3 89 1.7 4.1 120 3 291.4 292.4 284.5 307.8 5.71 7 803 1884 2.6 -1.3 75 3.9 0.8 119 4 293.6 294.4 283.9 306.3 4.33 8 771 2215 4.4 -1.6 65 6.0 1.5 117 5 299.0 299.8 286.1 312.2 4.41 9 700 3000 1.8 -9.2 44 11.0 -2.7 115 7 304.5 305.0 286.4 313.0 2.72 10 640 3711 -4.9 -19.9 30 15.0 -9.3 110 8 304.8 305.0 284.8 308.8 1.23 11 592 4318 -8.5 -30.5 15 22.0 -13.2 105 9 307.5 307.6 285.0 309.2 0.51 12 523 5263 -15.3 -37.3 13 22.0 -18.8 98 10 310.4 310.4 285.8 311.4 0.30 13 500 5600 -18.7 -39.7 14 21.0 -21.6 95 11 310.2 310.3 285.7 311.1 0.24 14 400 7220 -32.3 -48.3 19 16.0 -33.5 55 11 313.0 313.0 286.5 313.5 0.12 15 313 8900 -46.9 -62.9 14 16.0 -47.3 29 13 315.4 315.4 287.2 315.5 0.03 16 300 9180 -48.7 -63.7 16 15.0 -49.0 25 13 316.7 316.7 287.7 316.8 0.02 17 254 10250 -57.1 -72.1 13 15.0 -57.2 7 17 319.7 319.7 288.6 319.8 0.01 18 250 10350 -57.7 -72.7 13 15.0 -57.8 5 17 320.3 320.3 288.8 320.3 0.01 19 238 10660 -58.3 -73.3 13 15.0 -58.5 323.9 323.9 289.9 323.9 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5497.00 m Freezing level: 953.44 mb = 486.45 m = 1595.94 ft Freezing level: 940.48 mb = 596.01 m = 1955.39 ft Freezing level: 683.88 mb = 3190.95 m = 10468.88 ft Wetbulb zero: 953.82 mb = 483.00 m = 1584.63 ft Precipitable water: 0.65 inches Sfc-500 mean rel hum: 52.40 % Est. max temperature: 18.29 C = 64.92 F Sfc-Lift cond lev (LCL): 999.77 mb = 104.84 m = 343.97 ft T: 2.39 C 700-500 lapse rate: 7.88 C/km ThetaE index: 1.69 C Layer 850.0- 771.0 mb Conv cond level (CCL): 996.34 mb = 132.46 m = 434.59 ft Mean mixing ratio: 4.51 g/kg Conv temperature: 2.74 C = 36.94 F Cap Strength: 17.38 C Lifted Index: 16.79 C Risk: None Lifted Index @300 mb: 18.25 C Lifted Index @700 mb: 16.78 C Showalter Index: 5.01 C Risk: None Total Totals Index: 45.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 22.00 C K Index: 16.00 Risk: < 20 % chance of thunderstorms Sweat Index: 56.60 Risk: None Energy Index: 0.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.22 J/kg Max Up Vert Vel: 9.08 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 17.35 C Lift Cond Lev (LCL): 952.03 mb = 498.00 m = 1633.83 ft Lev Free Conv (LFC): 947.03 mb = 540.13 m = 1772.06 ft Equ Level (EL): 927.03 mb = 711.39 m = 2333.94 ft B at Equ Level: 36.16 J/kg Max Parcel Lev (MPL): 897.03 mb = 979.64 m = 3214.01 ft Wind level data Storm motion: 134 at 5 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 79 80 3 -3.0 -0.5 | 350 4 0.7 -4.1 1 1000 103 80 3 -3.0 -0.5 | 350 4 0.7 -4.1 2 925 729 110 3 -2.8 1.0 | 341 3 0.9 -2.5 3 850 1421 120 3 -2.6 1.5 | 332 2 1.1 -2.0 4 700 3000 115 7 -6.3 3.0 | 78 3 -2.7 -0.6 5 500 5600 95 11 -11.0 1.0 | 70 8 -7.3 -2.6 6 400 7220 55 11 -9.0 -6.3 | 28 11 -5.3 -9.9 7 300 9180 25 13 -5.5 -11.8 | 7 15 -1.8 -15.3 8 250 10350 5 17 -1.5 -16.9 | 354 21 2.2 -20.5 Wind Parameters Mean winds (0-6000m): 103.8 at 6.8 knts Storm direction: 133.8 at 5.1 knts Shear (0-3000m) pos: 0.4 neg: 0.6 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): 88.2 deg Storm rel helicity (0-3000m) pos: 1.5 neg: -0.6 tot: 0.8 m^2/s^2 ave: 0.3 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 1.1 stream: 0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 19.89 Bulk Shear: 2.07 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 91 3 349 4| 1.2 0.0 1.2| 0.0 -0.2 -0.2 -0.5 -0.23| 1.2 -0.3 1000 101 3 346 3| 0.9 0.0 0.9| 0.0 -0.5 -0.5 -0.5 -0.36| 0.9 -0.3 1500 107 3 343 3| 0.8 0.0 0.8| 0.1 -0.6 -0.5 -0.3 -0.25| 0.8 -0.2 2000 110 3 345 2| 0.6 0.3 0.9| 0.6 -0.6 -0.0 -0.0 0.13| 1.0 0.1 2500 112 4 352 2| 0.5 0.5 1.0| 1.1 -0.6 0.4 0.2 0.33| 1.0 0.3 3000 113 4 4 2| 0.4 0.6 1.0| 1.5 -0.6 0.8 0.3 0.37| 1.1 0.4 4000 112 5 31 2| 0.3 0.7 1.0| 1.5 -0.7 0.8 0.2 0.28| 1.0 0.3 5000 108 6 50 3| 0.2 0.7 1.0| 1.5 -1.4 0.1 0.0 0.18| 1.0 0.2 6000 104 7 57 4| 0.2 0.7 0.9| 1.5 -6.4 -4.9 -0.8 -0.04| 1.2 -0.0 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20250428.00.gif