UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110912.upa.cvt Date: 1200Z 9 NOV 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 9 NOV 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 ------------------------------------------------------------------------------- 0 1000 51 300 3 SFC 997 74 -7.5 -10.0 82 2.5 -8.2 300 3 265.9 266.2 265.1 270.7 1.79 2 944 494 -11.5 -14.1 81 2.6 -12.1 296 4 266.0 266.2 264.4 269.7 1.36 3 925 649 -9.5 -12.1 81 2.6 -10.2 295 5 269.6 269.9 267.4 274.1 1.63 4 909 785 -7.9 -10.5 82 2.6 -8.7 294 7 272.6 272.9 269.8 277.8 1.89 5 850 1307 -9.7 -12.3 81 2.6 -10.4 290 13 276.0 276.3 271.7 280.9 1.75 6 777 1996 -13.3 -16.8 75 3.5 -14.1 285 19 279.3 279.5 273.0 283.1 1.32 7 757 2195 -12.7 -16.2 75 3.5 -13.6 284 20 282.0 282.3 274.7 286.2 1.42 8 700 2788 -16.5 -20.8 69 4.3 -17.4 280 25 284.2 284.4 275.3 287.3 1.04 9 645 3396 -20.3 -24.9 67 4.6 -21.1 276 27 286.6 286.8 276.2 289.1 0.79 10 500 5220 -35.5 -39.8 65 4.3 -35.8 265 35 289.8 289.8 276.9 290.6 0.24 11 400 6740 -44.9 -49.2 62 4.3 -45.0 275 38 296.6 296.7 280.0 297.0 0.11 12 340 7812 -51.1 -55.0 63 3.9 -51.2 302.3 302.3 282.4 302.5 0.06 TRP WND Sounding variables and indices 1000-500 mb thick: 5169.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 72.29 % Est. max temperature: 2.73 C = 36.91 F Sfc-Lift cond lev (LCL): 957.99 mb = 380.57 m = 1248.58 ft T: -10.42 C 700-500 lapse rate: 7.81 C/km ThetaE index: 0.99 C Layer 944.0- 925.0 mb Conv cond level (CCL): 718.26 mb = 2592.85 m = 8506.62 ft Mean mixing ratio: 1.63 g/kg Conv temperature: 10.11 C = 50.20 F Cap Strength: 13.37 C Lifted Index: 14.40 C Risk: None Lifted Index @700 mb: 11.96 C Showalter Index: 7.66 C Risk: None Total Totals Index: 49.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.80 C Cross Totals Index: 23.20 C K Index: 9.20 Risk: None Sweat Index: 61.00 Risk: None Energy Index: 2.03 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.57 J/kg Max Up Vert Vel: 8.19 m/s Conv Inhibition (B-): 3814.27 J/kg Cap Strength: 14.34 C Lift Cond Lev (LCL): 908.42 mb = 789.79 m = 2591.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 304 at 18 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 ---------------------------------------------------------- 0 997 74 300 3 2.6 -1.5 | 125 15 -12.1 8.4 1 925 649 295 5 4.5 -2.1 | 128 13 -10.2 7.8 2 850 1307 290 13 12.2 -4.4 | 156 6 -2.5 5.5 3 700 2788 280 25 24.6 -4.3 | 241 11 9.9 5.6 4 500 5220 265 35 34.9 3.1 | 237 24 20.2 13.0 5 400 6740 275 38 37.9 -3.3 | 254 24 23.2 6.6 Wind Parameters Mean winds (0-6000m): 274.0 at 23.6 knts Storm direction: 304.0 at 17.7 knts Shear (0-3000m) pos: 0.0 neg: 4.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 116.4 deg Storm rel helicity (0-3000m) pos: 27.5 neg: 0.0 tot: 27.5 m^2/s^2 ave: 9.2 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.63 Bulk Shear: 53.58 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 ------------------------------------------------------------------------------- 500 297 4 126 14| 0.0 1.8 1.8| 1.9 0.0 1.9 3.9 0.30| 1.8 0.5 1000 295 5 128 12| 0.0 3.7 3.7| 7.9 0.0 7.9 7.9 0.38| 3.7 1.4 1500 292 8 134 10| 0.0 4.2 4.2| 14.4 0.0 14.4 9.6 0.55| 4.2 2.3 2000 289 10 142 8| 0.0 4.2 4.2| 20.0 0.0 20.0 10.0 0.64| 4.2 2.7 2500 287 12 157 7| 0.0 4.2 4.2| 25.2 0.0 25.2 10.1 0.63| 4.3 2.7 3000 285 15 174 6| 0.0 4.0 4.0| 27.5 0.0 27.5 9.2 0.58| 4.1 2.4 4000 281 18 204 7| 0.0 3.6 3.6| 27.6 -1.1 26.5 6.6 0.47| 3.7 1.8 5000 276 21 220 10| 0.0 3.3 3.3| 27.6 -6.5 21.1 4.2 0.37| 3.5 1.3 6000 274 24 227 12| 0.3 2.7 3.1| 51.9 -7.3 44.5 7.4 0.42| 3.3 1.4 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251109.12.gif