UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101512.upa.cvt Date: 1200Z 15 OCT 25 Searching for U8661... Searching the city database file for: U8661 ... Date:1200Z 15 OCT 25 Station: U8661 WMO ident: 28661 Latitude: 55.47 Longitude: 65.40 ------------------------------------------------------------------------------- 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 1024 72 7.0 -9.0 31 16.0 1.3 120 5 278.3 278.6 273.2 283.6 1.89 1 1000 266 4.4 -9.6 35 14.0 -0.4 140 25 277.5 277.9 272.8 282.8 1.84 2 953 656 1.6 -11.4 37 13.0 -2.6 165 24 278.6 278.8 273.1 283.4 1.67 3 925 895 0.0 -12.0 40 12.0 -3.8 180 23 279.3 279.6 273.5 284.1 1.64 4 850 1714 -3.9 -15.9 39 12.0 -7.2 180 21 282.1 282.3 274.5 285.9 1.30 5 700 3383 -11.3 -22.3 40 11.0 -13.8 185 21 290.0 290.1 278.0 292.8 0.91 6 506 5551 -20.9 -30.9 40 10.0 -22.6 190 19 306.5 306.6 284.7 308.5 0.57 7 500 5630 -21.5 -31.5 40 10.0 -23.1 190 19 306.8 306.9 284.8 308.7 0.55 8 478 5960 -23.9 -29.9 58 6.0 -24.9 307.8 308.0 285.4 310.1 0.67 TRP WND Sounding variables and indices 1000-500 mb thick: 5364.00 m Freezing level: 925.00 mb = 895.00 m = 2936.32 ft Wetbulb zero: 1005.51 mb = 221.09 m = 725.35 ft Precipitable water: 0.25 inches Sfc-500 mean rel hum: 39.20 % Est. max temperature: 9.92 C = 49.86 F Sfc-Lift cond lev (LCL): 799.69 mb = 2238.43 m = 7343.83 ft T: -6.23 C 700-500 lapse rate: 4.54 C/km ThetaE index: 0.84 C Layer 1000.0- 953.0 mb Conv cond level (CCL): 577.99 mb = 4662.09 m = 15295.39 ft Mean mixing ratio: 1.75 g/kg Conv temperature: 28.56 C = 83.41 F Cap Strength: 19.69 C Lifted Index: 19.85 C Risk: None Lifted Index @700 mb: 8.95 C Showalter Index: 17.86 C Risk: None Total Totals Index: 23.20 C Risk: None Vertical Totals Index: 17.60 C Cross Totals Index: 5.60 C K Index: -9.30 Risk: None Sweat Index: 61.00 Risk: None Energy Index: 4.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.88 J/kg Max Up Vert Vel: 3.43 m/s Conv Inhibition (B-): 1865.73 J/kg Cap Strength: 19.57 C Lift Cond Lev (LCL): 787.61 mb = 2369.30 m = 7773.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 211 at 16 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 1024 72 120 5 -4.3 2.5 | 48 16 -12.3 -10.9 1 1000 266 140 25 -16.1 19.2 | 103 25 -24.0 5.8 2 925 895 180 23 0.0 23.0 | 140 12 -8.0 9.6 3 850 1714 180 21 0.0 21.0 | 134 11 -8.0 7.6 4 700 3383 185 21 1.8 20.9 | 141 10 -6.1 7.5 5 500 5630 190 19 3.3 18.7 | 139 7 -4.7 5.3 Wind Parameters Mean winds (0-6000m): 180.7 at 20.8 knts Storm direction: 210.7 at 15.6 knts Shear (0-3000m) pos: 3.5 neg: 0.2 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 91.0 deg Storm rel helicity (0-3000m) pos: 156.6 neg: -3.7 tot: 152.9 m^2/s^2 ave: 51.0 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 5.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.29 Bulk Shear: 20.40 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 ------------------------------------------------------------------------------- 500 146 21 101 20| 21.0 0.0 21.0|130.7 0.0 130.7 261.5 0.86| 30.0 25.8 1000 159 22 115 17| 10.6 0.0 10.6|153.8 -0.5 153.3 153.3 0.80| 19.5 15.7 1500 166 22 121 16| 7.0 0.4 7.5|153.8 -3.1 150.7 100.5 0.76| 13.4 10.2 2000 169 22 124 14| 5.2 0.3 5.5|154.5 -3.7 150.8 75.4 0.74| 10.3 7.6 2500 172 22 126 14| 4.2 0.3 4.4|155.5 -3.7 151.8 60.7 0.74| 8.3 6.2 3000 174 22 128 13| 3.5 0.2 3.7|156.6 -3.7 152.9 51.0 0.74| 7.0 5.2 4000 177 21 131 12| 2.6 0.2 2.7|157.2 -3.8 153.4 38.4 0.73| 5.4 3.9 5000 180 21 133 11| 2.0 0.1 2.1|157.2 -4.1 153.1 30.6 0.70| 4.5 3.1 6000 NO DATA | 1.8 0.1 1.9| | Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251015.12.gif