UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101900.upa.cvt Date: 0000Z 19 OCT 25 Searching for U3955... Searching the city database file for: U3955 ... Date:0000Z 19 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 50 -4.5 -7.8 78 3.3 -5.5 135 3 267.4 267.7 266.7 273.0 2.09 1 1000 183 -1.7 -5.7 74 4.0 -3.1 140 3 271.5 271.9 270.1 278.3 2.49 2 954 559 1.2 -5.8 60 7.0 -1.4 152 5 278.1 278.5 274.2 285.4 2.59 3 925 807 0.4 -7.6 55 8.0 -2.4 160 7 279.7 280.1 274.8 286.3 2.33 4 850 1483 -0.5 -18.5 24 18.0 -5.5 165 13 285.6 285.8 276.0 288.8 1.04 5 809 1877 -1.5 -21.5 20 20.0 -6.7 164 16 288.6 288.8 277.3 291.3 0.85 6 780 2167 -2.7 -25.7 15 23.0 -8.1 163 17 290.4 290.5 277.8 292.3 0.60 7 700 3016 -7.7 -15.7 53 8.0 -10.1 160 23 294.0 294.2 280.8 298.9 1.61 8 692 3105 -8.1 -16.1 53 8.0 -10.4 160 23 294.5 294.8 281.0 299.3 1.57 9 606 4120 -15.1 -24.1 46 9.0 -17.0 160 29 297.8 298.0 281.6 300.7 0.90 10 544 4929 -18.9 -29.9 37 11.0 -20.8 160 33 302.6 302.7 283.2 304.6 0.59 11 500 5550 -23.9 -39.9 21 16.0 -25.7 160 36 303.9 303.9 283.3 304.7 0.24 12 488 5727 -25.1 -41.1 21 16.0 -26.8 159 37 304.5 304.6 283.5 305.3 0.21 13 452 6278 -30.3 -45.3 22 15.0 -31.5 158 39 304.8 304.8 283.5 305.3 0.15 14 410 6967 -33.9 -48.9 21 15.0 -34.9 156 41 308.7 308.8 285.0 309.1 0.11 15 400 7140 -35.5 -47.5 28 12.0 -36.2 155 42 308.9 308.9 285.1 309.3 0.13 16 373 7623 -39.3 -47.3 42 8.0 -39.8 310.0 310.1 285.5 310.6 0.14 TRP WND Sounding variables and indices 1000-500 mb thick: 5367.00 m Freezing level: Surface below freezing Freezing level: 973.03 mb = 403.62 m = 1324.18 ft Freezing level: 891.67 mb = 1107.44 m = 3633.30 ft Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 40.95 % Est. max temperature: 12.45 C = 54.41 F Sfc-Lift cond lev (LCL): 965.26 mb = 465.56 m = 1527.41 ft T: 0.48 C 700-500 lapse rate: 6.39 C/km Conv cond level (CCL): 649.34 mb = 3591.91 m = 11784.34 ft Mean mixing ratio: 2.45 g/kg Conv temperature: 24.37 C = 75.87 F Cap Strength: 17.82 C Lifted Index: 18.15 C Risk: None Lifted Index @700 mb: 13.20 C Showalter Index: 13.23 C Risk: None Total Totals Index: 28.80 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 5.40 C K Index: -3.10 Risk: None Sweat Index: 62.00 Risk: None Energy Index: 3.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.95 J/kg Max Up Vert Vel: 9.05 m/s Conv Inhibition (B-): 3907.58 J/kg Cap Strength: 18.09 C Lift Cond Lev (LCL): 878.18 mb = 1222.28 m = 4010.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 190 at 17 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 50 135 3 -2.1 2.1 | 20 15 -5.1 -14.2 1 1000 183 140 3 -1.9 2.3 | 19 15 -4.9 -14.0 2 925 807 160 7 -2.4 6.6 | 29 11 -5.3 -9.7 3 850 1483 165 13 -3.4 12.6 | 59 7 -6.3 -3.7 4 700 3016 160 23 -7.9 21.6 | 116 12 -10.8 5.3 5 500 5550 160 36 -12.3 33.8 | 139 23 -15.2 17.5 6 400 7140 155 42 -17.7 38.1 | 136 30 -20.7 21.8 Wind Parameters Mean winds (0-6000m): 160.2 at 22.1 knts Storm direction: 190.2 at 16.6 knts Shear (0-3000m) pos: 1.9 neg: 1.7 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 97.1 deg Storm rel helicity (0-3000m) pos: 38.0 neg: -0.4 tot: 37.7 m^2/s^2 ave: 12.6 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.92 Bulk Shear: 44.66 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 ------------------------------------------------------------------------------- 500 145 4 21 14| 2.7 0.0 2.7| 5.3 -0.4 5.0 9.9 0.50| 2.8 1.4 1000 155 5 25 12| 3.4 0.0 3.4| 11.8 -0.4 11.5 11.5 0.54| 3.5 1.9 1500 160 7 30 11| 3.7 0.0 3.7| 19.7 -0.4 19.3 12.9 0.65| 3.8 2.5 2000 161 9 38 10| 2.8 0.8 3.7| 26.0 -0.4 25.6 12.8 0.73| 3.7 2.7 2500 162 11 48 9| 2.2 1.4 3.6| 32.2 -0.4 31.8 12.7 0.75| 3.6 2.7 3000 161 13 60 8| 1.9 1.7 3.6| 38.0 -0.4 37.7 12.6 0.73| 3.6 2.6 4000 161 16 82 8| 1.4 1.9 3.3| 49.3 -0.4 49.0 12.2 0.70| 3.4 2.3 5000 160 19 101 9| 1.1 2.1 3.2| 60.6 -0.4 60.3 12.1 0.66| 3.2 2.1 6000 160 22 113 11| 0.9 2.1 3.0| 66.3 -2.2 64.1 10.7 0.59| 3.1 1.8 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20251019.00.gif