UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for U3955... Searching the city database file for: U3955 ... Date:1200Z 30 APR 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 1009 51 10.4 -1.6 43 12.0 5.1 255 7 282.8 283.4 277.8 292.4 3.36 1 1000 125 9.8 -2.2 43 12.0 4.6 255 7 283.0 283.5 277.7 292.2 3.25 2 925 764 3.6 -4.4 56 8.0 0.4 240 15 283.0 283.5 277.4 291.5 2.98 3 850 1442 -2.7 -7.0 72 4.3 -4.3 250 25 283.3 283.8 277.1 290.9 2.66 4 841 1526 -3.7 -7.6 74 3.9 -5.1 251 26 283.1 283.6 276.9 290.5 2.56 5 772 2195 -8.9 -10.3 90 1.4 -9.4 262 31 284.5 284.9 277.2 291.1 2.26 6 700 2945 -13.9 -16.1 83 2.2 -14.5 275 38 287.1 287.4 277.5 291.7 1.55 7 641 3605 -19.3 -22.1 78 2.8 -19.8 276 40 288.3 288.5 277.3 291.4 1.01 8 620 3853 -18.1 -21.0 78 2.9 -18.7 277 40 292.4 292.6 279.6 296.0 1.15 9 572 4449 -21.9 -25.3 74 3.4 -22.5 278 42 294.8 294.9 280.2 297.5 0.85 10 517 5182 -28.9 -33.2 66 4.3 -29.4 280 43 295.0 295.0 279.7 296.4 0.45 11 500 5420 -30.3 -35.0 63 4.7 -30.8 280 44 296.1 296.2 280.2 297.4 0.39 12 409 6817 -41.3 -46.0 60 4.7 -41.5 299.4 299.4 281.3 299.9 0.15 TRP WND Sounding variables and indices 1000-500 mb thick: 5295.00 m Freezing level: 882.14 mb = 1151.43 m = 3777.61 ft Wetbulb zero: 918.98 mb = 816.33 m = 2678.20 ft Precipitable water: 0.41 inches Sfc-500 mean rel hum: 72.66 % Est. max temperature: 10.86 C = 51.55 F Sfc-Lift cond lev (LCL): 840.06 mb = 1534.89 m = 5035.68 ft T: -3.77 C 700-500 lapse rate: 6.63 C/km ThetaE index: 1.86 C Layer 1000.0- 772.0 mb Conv cond level (CCL): 815.93 mb = 1762.47 m = 5782.33 ft Mean mixing ratio: 3.10 g/kg Conv temperature: 11.22 C = 52.19 F Cap Strength: 4.59 C Lifted Index: 4.60 C Risk: None Lifted Index @700 mb: 0.55 C Showalter Index: 5.22 C Risk: None Total Totals Index: 50.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.60 C Cross Totals Index: 23.30 C K Index: 18.40 Risk: < 20 % chance of thunderstorms Sweat Index: 219.50 Risk: None Energy Index: 1.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.28 J/kg Max Up Vert Vel: 0.75 m/s Conv Inhibition (B-): 594.08 J/kg Cap Strength: 4.55 C Lift Cond Lev (LCL): 823.93 mb = 1686.33 m = 5532.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 301 at 24 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 1009 51 255 7 6.8 1.8 | 135 20 -13.9 14.1 1 1000 125 255 7 6.8 1.8 | 135 20 -13.9 14.1 2 925 764 240 15 13.0 7.5 | 159 21 -7.7 19.8 3 850 1442 250 25 23.5 8.6 | 188 21 2.8 20.8 4 700 2945 275 38 37.9 -3.3 | 242 19 17.2 9.0 5 500 5420 280 44 43.3 -7.6 | 258 23 22.6 4.6 Wind Parameters Mean winds (0-6000m): 270.7 at 32.1 knts Storm direction: 300.7 at 24.1 knts Shear (0-3000m) pos: 4.1 neg: 2.1 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 107.8 deg Storm rel helicity (0-3000m) pos: 200.6 neg: 0.0 tot: 200.6 m^2/s^2 ave: 66.9 10^-3 m/s^2 rel: 0.99 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 6.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.00 Bulk Shear: 74.25 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 ------------------------------------------------------------------------------- 500 249 9 142 20| 0.0 5.7 5.7| 28.5 0.0 28.5 57.1 0.98| 5.8 5.7 1000 244 12 152 20| 0.0 6.4 6.4| 67.1 0.0 67.1 67.1 0.97| 6.6 6.4 1500 247 16 162 20| 2.5 4.3 6.8|108.0 0.0 108.0 72.0 0.98| 7.0 6.8 2000 250 19 171 19| 3.3 3.2 6.5|139.3 0.0 139.3 69.7 0.98| 6.8 6.6 2500 255 22 181 18| 3.9 2.6 6.4|172.0 0.0 172.0 68.8 0.98| 6.7 6.6 3000 260 24 191 17| 4.1 2.1 6.2|200.6 0.0 200.6 66.9 0.99| 6.6 6.5 4000 266 28 207 16| 3.4 1.6 5.0|213.5 0.0 213.5 53.4 0.98| 5.3 5.2 5000 270 31 220 16| 3.0 1.3 4.3|227.1 0.0 227.1 45.4 0.97| 4.5 4.4 6000 NO DATA | 3.0 1.3 4.3| | Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20250430.12.gif