UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for U3955... Searching the city database file for: U3955 ... Date:0000Z 18 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 1029 45 -6.7 -9.6 80 2.9 -7.5 120 3 264.3 264.6 264.0 269.1 1.79 1 1000 271 0.0 -4.7 71 4.7 -1.7 125 5 273.1 273.6 271.5 280.5 2.69 2 994 319 0.2 -4.8 69 5.0 -1.6 127 5 273.8 274.3 271.9 281.2 2.69 3 928 866 -3.3 -11.3 54 8.0 -5.7 149 11 275.7 276.0 271.5 280.6 1.73 4 925 892 -3.1 -11.1 54 8.0 -5.5 150 11 276.1 276.4 271.8 281.1 1.77 5 850 1564 0.0 -17.0 26 17.0 -5.0 165 19 286.1 286.4 276.5 289.7 1.19 6 840 1659 0.6 -18.4 23 19.0 -4.8 165 20 287.7 287.9 277.2 291.0 1.07 7 823 1823 0.0 -21.0 19 21.0 -5.7 165 21 288.8 289.0 277.4 291.5 0.87 8 700 3100 -7.7 -27.7 18 20.0 -11.9 165 29 294.0 294.1 279.4 295.8 0.56 9 624 3984 -11.9 -30.9 19 19.0 -15.4 167 33 299.0 299.1 281.5 300.5 0.47 10 500 5640 -22.9 -40.9 18 18.0 -24.9 170 40 305.1 305.2 283.7 305.9 0.21 11 400 7240 -34.3 -52.3 14 18.0 -35.3 170 46 310.4 310.4 285.6 310.7 0.08 12 300 9190 -47.5 -64.5 12 17.0 -47.9 165 35 318.4 318.4 288.2 318.5 0.02 13 262 10073 -53.7 -69.7 12 16.0 -53.9 321.9 321.9 289.3 321.9 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5369.00 m Freezing level: Surface below freezing Freezing level: 1000.00 mb = 271.00 m = 889.10 ft Freezing level: 990.23 mb = 350.48 m = 1149.87 ft Freezing level: 850.00 mb = 1564.00 m = 5131.17 ft Freezing level: 823.00 mb = 1822.65 m = 5979.76 ft Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 28.13 % Est. max temperature: 11.30 C = 52.35 F Sfc-Lift cond lev (LCL): 982.57 mb = 411.32 m = 1349.47 ft T: -0.39 C 700-500 lapse rate: 5.98 C/km ThetaE index: 0.63 C Layer 928.0- 925.0 mb Conv cond level (CCL): 605.71 mb = 4206.49 m = 13800.65 ft Mean mixing ratio: 2.25 g/kg Conv temperature: 29.13 C = 84.44 F Cap Strength: 18.58 C Lifted Index: 21.67 C Risk: None Lifted Index @300 mb: 27.80 C Lifted Index @700 mb: 15.54 C Showalter Index: 13.53 C Risk: None Total Totals Index: 28.80 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 5.90 C K Index: -14.10 Risk: None Sweat Index: 78.00 Risk: None Energy Index: 3.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.28 J/kg Max Up Vert Vel: 8.40 m/s Conv Inhibition (B-): 7389.05 J/kg Cap Strength: 21.45 C Lift Cond Lev (LCL): 897.88 mb = 1128.49 m = 3702.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 196 at 20 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 1029 45 120 3 -2.6 1.5 | 25 19 -8.0 -17.5 1 1000 271 125 5 -4.1 2.9 | 31 19 -9.5 -16.1 2 925 892 150 11 -5.5 9.5 | 49 14 -10.9 -9.5 3 850 1564 165 19 -4.9 18.4 | 86 10 -10.4 -0.7 4 700 3100 165 29 -7.5 28.0 | 125 16 -12.9 9.0 5 500 5640 170 40 -6.9 39.4 | 149 24 -12.4 20.4 6 400 7240 170 46 -8.0 45.3 | 153 30 -13.4 26.3 7 300 9190 165 35 -9.1 33.8 | 136 21 -14.5 14.8 Wind Parameters Mean winds (0-6000m): 166.0 at 26.4 knts Storm direction: 196.0 at 19.8 knts Shear (0-3000m) pos: 3.5 neg: 1.1 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 99.3 deg Storm rel helicity (0-3000m) pos: 85.9 neg: 0.0 tot: 85.9 m^2/s^2 ave: 28.6 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 4.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.53 Bulk Shear: 66.39 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 ------------------------------------------------------------------------------- 500 129 5 31 18| 5.0 0.0 5.0| 21.8 0.0 21.8 43.6 0.90| 5.1 4.6 1000 142 8 38 16| 5.4 0.0 5.4| 40.4 0.0 40.4 40.4 0.83| 5.6 4.7 1500 152 10 46 14| 5.8 0.0 5.8| 59.2 0.0 59.2 39.5 0.85| 6.1 5.2 2000 157 13 55 13| 5.2 0.0 5.2| 68.4 0.0 68.4 34.2 0.87| 5.4 4.7 2500 160 15 65 12| 4.1 0.7 4.8| 77.1 0.0 77.1 30.8 0.86| 5.0 4.3 3000 161 17 75 11| 3.5 1.1 4.6| 85.9 0.0 85.9 28.6 0.85| 4.7 4.0 4000 163 20 92 11| 3.2 0.8 4.0|101.3 0.0 101.3 25.3 0.83| 4.1 3.4 5000 165 24 107 12| 3.0 0.7 3.7|117.7 0.0 117.7 23.5 0.81| 3.8 3.1 6000 166 26 119 14| 2.8 0.6 3.4|131.6 0.0 131.6 21.9 0.79| 3.5 2.7 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20251018.00.gif