UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102012.upa.cvt Date: 1200Z 20 OCT 25 Searching for X4009... Searching the city database file for: X4009 ... Date:1200Z 20 OCT 25 Station: X4009 WMO ident: 34009 Latitude: 51.77 Longitude: 36.17 ------------------------------------------------------------------------------- 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 69 SFC 979 244 7.2 5.9 91 1.3 6.5 360 1 282.1 283.1 280.7 298.5 5.95 2 925 708 3.0 -0.2 79 3.2 1.6 95 5 282.4 283.1 278.5 293.8 4.07 3 892 1001 0.6 -1.7 85 2.3 -0.4 112 6 282.8 283.5 278.4 293.5 3.78 4 850 1386 -1.5 -3.6 86 2.1 -2.3 135 7 284.6 285.2 278.8 294.4 3.44 5 700 2908 -10.5 -13.3 80 2.8 -11.3 95 7 290.9 291.2 279.9 296.7 1.96 6 635 3651 -15.1 -19.0 72 3.9 -16.0 85 9 293.8 294.1 280.4 298.0 1.34 7 611 3939 -19.1 -23.4 69 4.3 -20.0 81 10 292.5 292.7 279.3 295.5 0.95 8 532 4956 -25.5 -30.0 66 4.5 -26.2 66 14 296.6 296.7 280.7 298.6 0.59 9 520 5120 -28.5 -33.1 65 4.6 -29.0 64 14 295.0 295.0 279.7 296.4 0.45 10 500 5400 -30.1 -34.4 66 4.3 -30.6 60 15 296.3 296.4 280.3 297.7 0.41 11 491 5530 -31.7 -35.9 66 4.2 -32.1 59 16 295.9 296.0 280.1 297.1 0.36 12 400 6960 -41.1 -51.1 33 10.0 -41.5 50 25 301.6 301.6 282.1 301.9 0.09 13 362 7633 -45.1 -55.1 32 10.0 -45.4 305.0 305.0 283.5 305.2 0.06 TRP WND Sounding variables and indices 1000-500 mb thick: 5331.00 m Freezing level: 880.00 mb = 1110.75 m = 3644.15 ft Wetbulb zero: 898.47 mb = 942.46 m = 3092.02 ft Precipitable water: 0.48 inches Sfc-500 mean rel hum: 76.61 % Est. max temperature: 10.52 C = 50.93 F Sfc-Lift cond lev (LCL): 959.69 mb = 406.83 m = 1334.74 ft T: 5.73 C 700-500 lapse rate: 7.87 C/km ThetaE index: 4.98 C Layer 925.0- 850.0 mb Conv cond level (CCL): 891.02 mb = 1009.47 m = 3311.88 ft Mean mixing ratio: 4.47 g/kg Conv temperature: 8.02 C = 46.44 F Cap Strength: 3.19 C Lifted Index: 2.46 C Risk: None Lifted Index @700 mb: 1.93 C Showalter Index: 2.87 C Risk: Showers probable Total Totals Index: 55.10 C Risk: Severe Thunderstorms probable Vertical Totals Index: 28.60 C Cross Totals Index: 26.50 C K Index: 22.20 Risk: 20-40 % chance of thunderstorms Sweat Index: 151.00 Risk: None Energy Index: 0.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.13 J/kg Max Up Vert Vel: 2.87 m/s Conv Inhibition (B-): 681.76 J/kg Cap Strength: 3.05 C Lift Cond Lev (LCL): 896.48 mb = 960.28 m = 3150.48 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 107 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 ---------------------------------------------------------- 0 979 244 360 1 -0.0 -1.0 | 294 8 7.1 -3.2 1 925 708 95 5 -5.0 0.4 | 310 3 2.1 -1.8 2 850 1386 135 7 -4.9 4.9 | 218 3 2.1 2.7 3 700 2908 95 7 -7.0 0.6 | 357 2 0.1 -1.6 4 500 5400 60 15 -13.0 -7.5 | 31 11 -5.9 -9.7 5 400 6960 50 25 -19.2 -16.1 | 33 22 -12.1 -18.3 Wind Parameters Mean winds (0-6000m): 77.4 at 9.9 knts Storm direction: 107.4 at 7.4 knts Shear (0-3000m) pos: 1.2 neg: 0.8 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 90.5 deg Storm rel helicity (0-3000m) pos: 5.7 neg: -2.1 tot: 3.5 m^2/s^2 ave: 1.2 10^-3 m/s^2 rel: 0.09 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.68 Bulk Shear: 6.07 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 85 3 302 5| 5.5 0.0 5.5| 4.9 -0.4 4.5 9.0 0.33| 6.9 2.3 1000 105 5 291 3| 3.7 0.0 3.7| 4.9 -1.8 3.1 3.1 -0.05| 5.2 -0.3 1500 117 5 265 2| 2.5 0.1 2.6| 4.9 -2.1 2.8 1.8 -0.09| 4.1 -0.4 2000 118 6 257 2| 1.9 0.4 2.3| 5.0 -2.1 2.9 1.4 -0.05| 3.5 -0.2 2500 115 6 259 2| 1.5 0.7 2.2| 5.2 -2.1 3.0 1.2 0.03| 3.1 0.1 3000 111 6 270 1| 1.2 0.8 2.1| 5.7 -2.1 3.5 1.2 0.09| 2.9 0.3 4000 100 7 355 1| 0.9 1.1 2.0| 6.4 -2.2 4.2 1.0 0.11| 2.7 0.3 5000 88 8 26 3| 0.7 1.3 2.1| 6.4 -4.3 2.1 0.4 0.05| 2.6 0.1 6000 77 10 30 5| 0.6 1.7 2.3| 8.5 -4.8 3.7 0.6 0.06| 2.7 0.2 Wrote GIF file: /home/apache/climate/data/raob//X4009/skewt/X4009.skewt.20251020.12.gif