UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for U3472... Searching the city database file for: U3472 ... Date:0000Z 20 OCT 25 Station: U3472 WMO ident: 23472 Latitude: 65.78 Longitude: 87.95 ------------------------------------------------------------------------------- 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 1021 43 -0.3 -10.3 47 10.0 -3.4 145 5 271.2 271.5 268.7 276.0 1.71 1 1000 209 -0.3 -11.3 43 11.0 -3.6 145 23 272.9 273.1 269.5 277.4 1.61 2 955 576 -2.7 -13.7 42 11.0 -5.8 163 27 274.0 274.3 269.9 278.0 1.39 3 926 820 -1.9 -11.9 46 10.0 -5.0 175 29 277.3 277.6 272.3 282.0 1.66 4 925 829 -1.9 -11.9 46 10.0 -5.0 175 29 277.4 277.6 272.3 282.1 1.66 5 872 1296 -4.1 -15.1 42 11.0 -7.2 192 35 279.8 280.0 273.3 283.7 1.35 6 870 1314 -4.1 -15.1 42 11.0 -7.2 193 36 280.0 280.2 273.4 283.9 1.36 7 850 1498 -3.5 -15.5 39 12.0 -6.9 200 38 282.5 282.7 274.8 286.4 1.34 8 810 1879 -2.9 -24.9 16 22.0 -8.0 196 40 287.0 287.1 276.2 289.0 0.63 9 786 2116 -4.1 -30.1 11 26.0 -9.4 194 41 288.2 288.3 276.4 289.5 0.40 10 700 3019 -10.1 -32.1 15 22.0 -14.0 185 46 291.3 291.4 277.9 292.5 0.37 11 590 4319 -17.3 -33.3 23 16.0 -19.8 185 48 297.5 297.6 280.8 298.8 0.39 12 500 5540 -25.7 -40.7 23 15.0 -27.3 185 50 301.7 301.7 282.4 302.5 0.22 13 400 7120 -37.5 -49.5 28 12.0 -38.1 190 52 306.3 306.3 284.0 306.6 0.10 14 392 7259 -38.7 -50.7 27 12.0 -39.3 306.5 306.5 284.1 306.8 0.09 TRP WND Sounding variables and indices 1000-500 mb thick: 5331.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 25.69 % Est. max temperature: 8.41 C = 47.14 F Sfc-Lift cond lev (LCL): 872.69 mb = 1290.02 m = 4232.30 ft T: -4.07 C 700-500 lapse rate: 6.19 C/km ThetaE index: 0.00 C Layer 1021.0- -0.2 mb Conv cond level (CCL): 576.46 mb = 4490.36 m = 14731.98 ft Mean mixing ratio: 1.55 g/kg Conv temperature: 26.75 C = 80.15 F Cap Strength: 17.37 C Lifted Index: 19.46 C Risk: None Lifted Index @700 mb: 13.79 C Showalter Index: 13.19 C Risk: None Total Totals Index: 32.40 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 10.20 C K Index: -15.30 Risk: None Sweat Index: 126.00 Risk: None Energy Index: 3.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.73 J/kg Max Up Vert Vel: 6.28 m/s Conv Inhibition (B-): 3789.82 J/kg Cap Strength: 19.24 C Lift Cond Lev (LCL): 819.50 mb = 1786.83 m = 5862.24 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 215 at 32 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 1021 43 145 5 -2.9 4.1 | 44 30 -21.1 -21.6 1 1000 209 145 23 -13.2 18.8 | 78 32 -31.5 -6.8 2 925 829 175 29 -2.5 28.9 | 99 21 -20.8 3.2 3 850 1498 200 38 13.0 35.7 | 152 11 -5.3 10.0 4 700 3019 185 46 4.0 45.8 | 145 25 -14.3 20.1 5 500 5540 185 50 4.4 49.8 | 150 28 -13.9 24.1 6 400 7120 190 52 9.0 51.2 | 160 27 -9.2 25.5 Wind Parameters Mean winds (0-6000m): 185.4 at 42.0 knts Storm direction: 215.4 at 31.5 knts Shear (0-3000m) pos: 6.1 neg: 2.3 tot: 8.4 10-3/s Storm rel Dir Shear (0-3000m): 100.4 deg Storm rel helicity (0-3000m) pos: 268.0 neg: -12.3 tot: 255.7 m^2/s^2 ave: 85.2 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 10.8 stream: 6.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.20 Bulk Shear: 97.62 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 ------------------------------------------------------------------------------- 500 152 21 76 29| 22.1 0.0 22.1|182.3 0.0 182.3 364.5 0.91| 26.1 23.8 1000 165 25 86 25| 14.5 0.0 14.5|230.2 0.0 230.2 230.2 0.83| 19.4 16.2 1500 177 28 98 20| 12.2 0.0 12.2|268.0 0.0 268.0 178.7 0.84| 17.0 14.3 2000 183 31 108 17| 9.1 1.1 10.3|268.0 -1.8 266.2 133.1 0.76| 13.9 10.6 2500 186 33 117 17| 7.3 1.8 9.1|268.0 -5.9 262.2 104.9 0.69| 12.0 8.3 3000 186 35 123 17| 6.1 2.3 8.4|268.0 -12.3 255.7 85.2 0.62| 10.8 6.7 4000 186 38 130 19| 4.6 1.8 6.4|274.7 -12.3 262.4 65.6 0.62| 8.3 5.2 5000 185 40 135 20| 3.7 1.6 5.3|281.4 -12.3 269.1 53.8 0.62| 6.8 4.2 6000 185 42 138 22| 3.2 1.3 4.5|295.9 -12.3 283.5 47.3 0.63| 5.9 3.7 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20251020.00.gif