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 U3955... Searching the city database file for: U3955 ... Date:1200Z 20 OCT 25 Station: U3955 WMO ident: 23955 Latitude: 60.43 Longitude: 77.87 ------------------------------------------------------------------------------- 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 1017 49 2.4 0.8 89 1.6 1.7 190 5 274.2 274.9 274.0 285.0 3.98 1 1000 185 1.6 0.0 89 1.6 0.9 195 5 274.8 275.4 274.1 285.1 3.82 2 925 809 -1.3 -2.9 89 1.6 -1.9 225 9 278.0 278.5 275.2 287.2 3.33 3 909 948 -2.1 -4.1 86 2.0 -2.9 226 10 278.5 279.1 275.2 287.2 3.10 4 858 1403 -5.7 -7.7 86 2.0 -6.4 229 14 279.4 279.8 274.8 286.5 2.49 5 850 1477 -5.1 -7.2 85 2.1 -5.8 230 15 280.8 281.3 275.7 288.2 2.62 6 846 1514 -4.5 -6.8 84 2.3 -5.3 230 15 281.8 282.3 276.4 289.5 2.71 7 763 2319 -9.5 -13.2 74 3.7 -10.6 230 22 284.9 285.2 276.7 290.2 1.81 8 714 2830 -11.9 -25.9 30 14.0 -14.6 230 26 287.7 287.8 276.5 289.7 0.65 9 700 2981 -13.1 -27.1 30 14.0 -15.7 230 27 288.0 288.1 276.6 289.8 0.59 10 500 5460 -29.7 -42.7 27 13.0 -30.7 225 36 296.8 296.9 280.2 297.4 0.18 11 400 7010 -40.1 -50.1 34 10.0 -40.6 225 40 302.9 302.9 282.7 303.2 0.10 12 300 8920 -53.9 -61.9 37 8.0 -54.0 220 46 309.4 309.4 285.1 309.5 0.03 13 298 8963 -54.3 -62.3 37 8.0 -54.4 220 46 309.4 309.4 285.1 309.5 0.03 14 250 10090 -52.7 -61.7 33 9.0 -52.9 225 33 327.7 327.7 291.1 327.9 0.04 15 217 11009 -50.1 -61.1 26 11.0 -50.4 345.3 345.3 295.6 345.5 0.05 TRP 298 8963 -54.3 -62.3 37 8.0 -54.4 220 46 309.4 309.4 285.1 309.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5275.00 m Freezing level: 958.62 mb = 529.28 m = 1736.45 ft Wetbulb zero: 975.51 mb = 383.47 m = 1258.08 ft Precipitable water: 0.37 inches Sfc-500 mean rel hum: 53.47 % Est. max temperature: 7.47 C = 45.45 F Sfc-Lift cond lev (LCL): 991.99 mb = 249.39 m = 818.21 ft T: 1.30 C 700-500 lapse rate: 6.70 C/km ThetaE index: 0.75 C Layer 909.0- 850.0 mb Conv cond level (CCL): 908.90 mb = 948.69 m = 3112.46 ft Mean mixing ratio: 3.60 g/kg Conv temperature: 6.75 C = 44.14 F Cap Strength: 5.19 C Lifted Index: 9.48 C Risk: None Lifted Index @300 mb: 16.51 C Lifted Index @700 mb: 5.16 C Showalter Index: 7.84 C Risk: None Total Totals Index: 47.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.60 C Cross Totals Index: 22.50 C K Index: 3.40 Risk: None Sweat Index: 66.00 Risk: None Energy Index: 1.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.21 J/kg Max Up Vert Vel: 4.94 m/s Conv Inhibition (B-): 5171.44 J/kg Cap Strength: 9.43 C Lift Cond Lev (LCL): 941.92 mb = 663.92 m = 2178.18 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 257 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 1017 49 190 5 0.9 4.9 | 93 17 -16.9 0.8 1 1000 185 195 5 1.3 4.8 | 92 17 -16.5 0.7 2 925 809 225 9 6.4 6.4 | 101 12 -11.4 2.2 3 850 1477 230 15 11.5 9.6 | 131 8 -6.3 5.5 4 700 2981 230 27 20.7 17.4 | 192 14 2.9 13.2 5 500 5460 225 36 25.5 25.5 | 200 23 7.7 21.3 6 400 7010 225 40 28.3 28.3 | 203 26 10.5 24.2 7 300 8920 220 46 29.6 35.2 | 201 33 11.8 31.1 8 298 8963 220 46 29.6 35.2 | 201 33 11.8 31.1 9 250 10090 225 33 23.3 23.3 | 196 20 5.5 19.2 Wind Parameters Mean winds (0-6000m): 227.0 at 24.4 knts Storm direction: 257.0 at 18.3 knts Shear (0-3000m) pos: 2.1 neg: 2.0 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 99.9 deg Storm rel helicity (0-3000m) pos: 48.6 neg: -0.2 tot: 48.3 m^2/s^2 ave: 16.1 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.25 Bulk Shear: 48.80 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 ------------------------------------------------------------------------------- 500 202 6 95 16| 3.4 0.0 3.4| 6.5 -0.2 6.3 12.6 0.45| 3.5 1.6 1000 216 7 98 14| 4.0 0.0 4.0| 13.5 -0.2 13.3 13.3 0.48| 4.1 2.0 1500 222 9 104 12| 4.2 0.0 4.2| 23.1 -0.2 22.9 15.3 0.63| 4.3 2.7 2000 225 11 112 10| 3.1 1.0 4.2| 31.9 -0.2 31.6 15.8 0.71| 4.2 3.0 2500 227 13 123 9| 2.5 1.6 4.1| 40.6 -0.2 40.4 16.2 0.74| 4.2 3.1 3000 228 16 135 9| 2.1 2.0 4.1| 48.6 -0.2 48.3 16.1 0.73| 4.1 3.0 4000 228 19 156 9| 1.6 2.0 3.5| 53.3 -0.2 53.1 13.3 0.67| 3.6 2.4 5000 228 22 171 11| 1.3 2.0 3.2| 57.0 -0.2 56.7 11.3 0.61| 3.3 2.0 6000 227 24 180 13| 1.0 1.9 2.9| 62.0 -0.2 61.8 10.3 0.58| 3.0 1.7 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20251020.12.gif