UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for U3955... Searching the city database file for: U3955 ... Date:1200Z 3 DEC 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 1002 51 -2.7 -4.2 89 1.5 -3.2 260 3 270.3 270.8 269.8 277.8 2.79 1 1000 67 -2.9 -4.3 90 1.4 -3.4 260 3 270.2 270.7 269.8 277.7 2.77 2 925 681 -6.1 -6.8 95 0.7 -6.3 285 9 273.1 273.5 271.1 279.9 2.48 3 896 929 -7.9 -8.6 95 0.7 -8.1 285 11 273.7 274.1 271.1 279.9 2.22 4 859 1258 -6.9 -7.6 95 0.7 -7.1 285 14 278.1 278.5 274.1 285.1 2.51 5 850 1340 -7.5 -8.3 94 0.8 -7.8 285 15 278.3 278.7 274.0 285.1 2.40 6 710 2717 -16.9 -19.1 83 2.2 -17.4 280 28 282.6 282.8 274.6 286.2 1.19 7 700 2823 -17.1 -19.5 82 2.4 -17.6 280 29 283.5 283.7 275.1 287.0 1.16 8 654 3332 -18.7 -22.1 75 3.4 -19.4 277 34 287.3 287.5 276.8 290.3 0.99 9 500 5290 -29.9 -33.7 69 3.8 -30.3 265 52 296.6 296.7 280.5 298.1 0.44 10 420 6507 -37.7 -42.1 63 4.4 -38.0 265 60 301.8 301.8 282.4 302.5 0.22 11 400 6840 -40.7 -45.1 63 4.4 -40.9 265 62 302.1 302.1 282.5 302.7 0.17 12 314 8439 -53.1 -57.9 56 4.8 -53.2 261 68 306.5 306.5 284.1 306.7 0.05 13 300 8730 -56.1 -60.9 55 4.8 -56.2 260 69 306.3 306.3 284.0 306.4 0.04 14 267 9458 -62.6 -67.4 52 4.8 -62.6 260 73 307.2 307.2 284.3 307.3 0.02 15 255 9739 -65.1 -69.9 51 4.8 -65.1 265 69 307.5 307.5 284.4 307.6 0.01 16 250 9860 -63.3 -68.3 51 5.0 -63.3 265 68 312.0 312.0 286.1 312.0 0.02 17 230 10375 -61.1 -66.1 51 5.0 -61.2 322.8 322.8 289.6 322.9 0.02 TRP 255 9739 -65.1 -69.9 51 4.8 -65.1 265 69 307.5 307.5 284.4 307.6 0.01 WND 267 9458 -62.6 -67.4 52 4.8 -62.6 260 73 307.2 307.2 284.3 307.3 0.02 Sounding variables and indices 1000-500 mb thick: 5223.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.34 inches Sfc-500 mean rel hum: 82.16 % Est. max temperature: 5.25 C = 41.45 F Sfc-Lift cond lev (LCL): 978.51 mb = 238.13 m = 781.25 ft T: -3.79 C 700-500 lapse rate: 5.19 C/km ThetaE index: 0.09 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 919.79 mb = 725.07 m = 2378.80 ft Mean mixing ratio: 2.57 g/kg Conv temperature: 0.19 C = 32.34 F Cap Strength: 8.94 C Lifted Index: 14.76 C Risk: None Lifted Index @300 mb: 19.29 C Lifted Index @700 mb: 6.26 C Showalter Index: 10.10 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.40 C Cross Totals Index: 21.60 C K Index: 11.70 Risk: None Sweat Index: 82.00 Risk: None Energy Index: 2.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.27 J/kg Max Up Vert Vel: 4.95 m/s Conv Inhibition (B-): 5427.19 J/kg Cap Strength: 14.48 C Lift Cond Lev (LCL): 936.17 mb = 586.45 m = 1924.02 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 302 at 23 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 1002 51 260 3 3.0 0.5 | 127 21 -17.0 12.9 1 1000 67 260 3 3.0 0.5 | 127 21 -17.0 12.9 2 925 681 285 9 8.7 -2.3 | 132 15 -11.3 10.1 3 850 1340 285 15 14.5 -3.9 | 147 10 -5.5 8.5 4 700 2823 280 29 28.6 -5.0 | 229 11 8.6 7.4 5 500 5290 265 52 51.8 4.5 | 242 36 31.8 16.9 6 400 6840 265 62 61.8 5.4 | 247 45 41.8 17.8 7 300 8730 260 69 68.0 12.0 | 243 54 48.0 24.4 8 267 9458 260 73 71.9 12.7 | 244 58 51.9 25.1 9 255 9739 265 69 68.7 6.0 | 249 52 48.8 18.4 10 250 9860 265 68 67.7 5.9 | 249 51 47.8 18.3 Wind Parameters Mean winds (0-6000m): 271.8 at 31.3 knts Storm direction: 301.8 at 23.5 knts Shear (0-3000m) pos: 1.7 neg: 3.2 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 107.2 deg Storm rel helicity (0-3000m) pos: 51.1 neg: -0.1 tot: 51.0 m^2/s^2 ave: 17.0 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.14 Bulk Shear: 89.73 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 ------------------------------------------------------------------------------- 500 274 5 129 19| 5.2 0.0 5.2| 8.4 0.0 8.4 16.8 0.32| 5.2 1.7 1000 282 8 131 16| 5.0 0.0 5.0| 14.4 -0.1 14.3 14.3 0.33| 5.1 1.7 1500 283 10 135 14| 3.3 1.6 4.9| 23.1 -0.1 23.1 15.4 0.45| 5.0 2.2 2000 283 12 140 12| 2.5 2.4 4.9| 32.8 -0.1 32.8 16.4 0.57| 5.0 2.8 2500 283 15 149 11| 2.0 2.9 4.9| 42.5 -0.1 42.4 17.0 0.64| 5.0 3.2 3000 282 17 160 10| 1.7 3.2 4.9| 51.1 -0.1 51.0 17.0 0.63| 5.0 3.1 4000 279 22 189 9| 1.3 3.7 4.9| 61.7 -0.1 61.6 15.4 0.53| 5.0 2.7 5000 275 27 213 12| 1.0 3.9 4.9| 63.0 -2.6 60.4 12.1 0.42| 5.1 2.1 6000 272 31 225 16| 0.8 3.9 4.7| 80.7 -4.8 76.0 12.7 0.39| 4.9 1.9 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20251203.12.gif