UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100912.upa.cvt Date: 1200Z 9 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 9 OCT 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 1019 75 1.6 -5.4 60 7.0 -0.9 80 1 273.3 273.7 271.2 280.2 2.50 1 1000 226 1.2 -5.8 60 7.0 -1.3 85 3 274.4 274.8 271.8 281.2 2.47 2 925 846 -3.9 -8.9 68 5.0 -5.5 90 3 275.3 275.7 271.9 281.2 2.10 3 850 1507 -9.1 -12.0 79 2.9 -9.9 105 5 276.6 276.9 272.1 281.7 1.79 4 737 2593 -17.7 -19.5 86 1.8 -18.1 105 8 278.7 278.9 272.3 282.0 1.11 5 706 2916 -16.7 -18.4 87 1.7 -17.1 105 9 283.3 283.5 275.1 287.1 1.27 6 700 2980 -16.9 -18.6 87 1.7 -17.3 105 9 283.8 284.0 275.3 287.5 1.26 7 664 3374 -18.9 -20.1 90 1.2 -19.1 104 10 285.8 286.0 276.3 289.4 1.17 8 500 5420 -34.7 -38.3 70 3.6 -35.0 100 13 290.7 290.8 277.5 291.7 0.28 9 460 5996 -39.9 -44.7 60 4.8 -40.1 87 14 291.3 291.3 277.6 291.8 0.16 10 400 6940 -45.5 -52.5 45 7.0 -45.7 65 15 295.9 295.9 279.6 296.1 0.07 11 340 8011 -51.3 -62.3 26 11.0 -51.5 45 16 302.0 302.0 282.3 302.1 0.03 12 300 8820 -53.7 -65.7 22 12.0 -53.9 30 17 309.7 309.7 285.2 309.7 0.02 13 286 9126 -54.9 -67.9 19 13.0 -55.1 21 18 312.2 312.2 286.1 312.3 0.01 14 250 9990 -51.7 -68.7 11 17.0 -52.0 355 21 329.2 329.2 291.5 329.3 0.01 15 214 11007 -47.9 -68.9 7 21.0 -48.4 350.1 350.1 296.7 350.2 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 5194.00 m Freezing level: 982.35 mb = 371.88 m = 1220.07 ft Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 78.54 % Est. max temperature: 4.63 C = 40.33 F Sfc-Lift cond lev (LCL): 913.65 mb = 942.53 m = 3092.24 ft T: -4.66 C 700-500 lapse rate: 7.30 C/km ThetaE index: 0.00 C Layer 1019.0- 299.0 mb Conv cond level (CCL): 855.42 mb = 1457.31 m = 4781.15 ft Mean mixing ratio: 2.31 g/kg Conv temperature: 4.86 C = 40.75 F Cap Strength: 6.22 C Lifted Index: 8.35 C Risk: None Lifted Index @300 mb: 20.23 C Lifted Index @700 mb: 4.94 C Showalter Index: 7.88 C Risk: None Total Totals Index: 48.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.60 C Cross Totals Index: 22.70 C K Index: 11.90 Risk: None Sweat Index: 23.00 Risk: None Energy Index: 2.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.72 J/kg Max Up Vert Vel: 3.07 m/s Conv Inhibition (B-): 5396.72 J/kg Cap Strength: 8.23 C Lift Cond Lev (LCL): 879.53 mb = 1240.01 m = 4068.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 130 at 6 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 1019 75 80 1 -1.0 -0.2 | 318 6 3.9 -4.3 1 1000 226 85 3 -3.0 -0.3 | 336 5 1.9 -4.4 2 925 846 90 3 -3.0 0.0 | 335 5 1.9 -4.2 3 850 1507 105 5 -4.8 1.3 | 358 3 0.1 -2.9 4 700 2980 105 9 -8.7 2.3 | 64 4 -3.8 -1.8 5 500 5420 100 13 -12.8 2.3 | 76 8 -7.9 -1.9 6 400 6940 65 15 -13.6 -6.3 | 40 14 -8.7 -10.5 7 300 8820 30 17 -8.5 -14.7 | 11 19 -3.6 -18.9 8 250 9990 355 21 1.8 -20.9 | 345 26 6.7 -25.1 Wind Parameters Mean winds (0-6000m): 100.2 at 8.6 knts Storm direction: 130.2 at 6.4 knts Shear (0-3000m) pos: 0.7 neg: 0.7 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 107.5 deg Storm rel helicity (0-3000m) pos: 6.8 neg: -0.1 tot: 6.7 m^2/s^2 ave: 2.2 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 1.5 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.99 Bulk Shear: 4.77 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 86 3 333 5| 2.1 0.0 2.1| 2.4 -0.1 2.3 4.7 0.78| 2.2 1.7 1000 89 3 335 5| 1.4 0.0 1.4| 3.0 -0.1 2.9 2.9 0.71| 1.5 1.1 1500 95 3 339 4| 1.5 0.0 1.5| 4.0 -0.1 3.9 2.6 0.70| 1.6 1.1 2000 98 4 346 4| 1.1 0.3 1.5| 5.0 -0.1 4.9 2.4 0.77| 1.6 1.2 2500 100 5 355 3| 0.9 0.6 1.4| 5.9 -0.1 5.8 2.3 0.79| 1.5 1.2 3000 102 5 6 3| 0.7 0.7 1.4| 6.8 -0.1 6.7 2.2 0.78| 1.5 1.2 4000 102 6 27 3| 0.6 0.7 1.3| 7.7 -0.1 7.6 1.9 0.71| 1.3 0.9 5000 102 8 44 4| 0.4 0.7 1.2| 8.3 -0.1 8.2 1.6 0.64| 1.2 0.8 6000 100 9 53 4| 0.4 0.8 1.2| 8.5 -7.0 1.5 0.3 0.31| 1.4 0.4 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251009.12.gif