UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for U4343... Searching the city database file for: U4343 ... Date:1200Z 11 DEC 25 Station: U4343 WMO ident: 24343 Latitude: 66.77 Longitude: 123.40 ------------------------------------------------------------------------------- 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 1006 84 -38.1 -49.1 31 11.0 -38.4 100 3 234.6 234.7 234.4 234.8 0.04 1 1000 125 -37.7 -45.7 43 8.0 -37.9 105 5 235.4 235.5 235.3 235.6 0.06 2 982 250 -38.1 -45.1 48 7.0 -38.3 114 6 236.3 236.3 236.1 236.5 0.07 3 958 422 -34.7 -41.7 49 7.0 -35.0 127 7 241.4 241.4 241.0 241.7 0.10 4 925 666 -35.5 -41.5 54 6.0 -35.7 145 9 243.0 243.0 242.5 243.3 0.11 5 910 780 -35.1 -41.1 54 6.0 -35.3 146 10 244.6 244.6 244.0 244.9 0.12 6 868 1113 -28.9 -33.9 62 5.0 -29.3 149 12 254.3 254.4 253.0 255.1 0.25 7 850 1263 -29.9 -34.3 65 4.4 -30.2 150 13 254.8 254.9 253.4 255.5 0.25 8 848 1280 -30.1 -34.4 66 4.3 -30.4 150 13 254.8 254.8 253.4 255.5 0.24 9 825 1477 -27.3 -31.3 69 4.0 -27.6 146 13 259.8 259.8 257.7 260.7 0.34 10 800 1699 -26.9 -30.3 73 3.4 -27.2 142 13 262.5 262.5 259.9 263.6 0.38 11 784 1845 -27.5 -31.0 72 3.5 -27.8 140 13 263.4 263.4 260.6 264.4 0.37 12 700 2656 -30.5 -35.3 63 4.8 -30.9 125 13 268.7 268.8 264.3 269.5 0.27 13 650 3180 -33.1 -40.1 50 7.0 -33.6 127 13 271.5 271.6 266.1 272.1 0.18 14 619 3523 -35.1 -43.1 44 8.0 -35.5 129 14 273.1 273.1 267.0 273.5 0.14 15 500 4980 -45.5 -51.5 51 6.0 -45.7 135 15 277.6 277.6 269.8 277.8 0.07 16 475 5316 -47.7 -53.7 50 6.0 -47.9 134 15 278.9 279.0 270.6 279.1 0.05 17 400 6420 -54.3 -60.3 48 6.0 -54.4 130 15 284.4 284.4 273.8 284.5 0.03 18 330 7643 -60.3 -66.3 45 6.0 -60.3 140 19 292.3 292.3 277.8 292.3 0.02 19 328 7681 -60.3 -66.3 45 6.0 -60.3 139 19 292.8 292.8 278.0 292.8 0.02 20 300 8240 -59.9 -65.9 45 6.0 -60.0 130 17 300.9 300.9 281.7 301.0 0.02 21 266 8998 -59.9 -65.9 45 6.0 -60.0 150 16 311.4 311.4 285.9 311.5 0.02 22 250 9390 -58.1 -64.1 46 6.0 -58.2 160 15 319.7 319.7 288.7 319.8 0.03 23 247 9466 -56.5 -62.5 47 6.0 -56.6 160 15 323.2 323.2 289.8 323.3 0.03 24 200 10800 -56.9 -62.9 47 6.0 -57.0 160 9 342.7 342.7 295.0 342.8 0.04 25 150 12620 -56.7 -64.7 36 8.0 -56.9 170 15 372.4 372.4 301.0 372.6 0.04 26 111 14521 -58.5 -67.5 30 9.0 -58.7 402.5 402.5 305.6 402.7 0.04 TRP 330 7643 -60.3 -66.3 45 6.0 -60.3 140 19 292.3 292.3 277.8 292.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 4855.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.04 inches Sfc-500 mean rel hum: 55.58 % Est. max temperature: -18.05 C = -0.49 F Sfc-Lift cond lev (LCL): 828.38 mb = 1447.61 m = 4749.31 ft T: -27.72 C 700-500 lapse rate: 6.45 C/km ThetaE index: 0.04 C Layer 848.0- 825.0 mb Conv cond level (CCL): 454.05 mb = 5605.54 m = 18390.65 ft Mean mixing ratio: 0.09 g/kg Conv temperature: 7.72 C = 45.90 F Cap Strength: 28.40 C Lifted Index: 30.39 C Risk: None Lifted Index @300 mb: 42.80 C Lifted Index @700 mb: 25.53 C Showalter Index: 18.11 C Risk: None Total Totals Index: 26.80 C Risk: None Vertical Totals Index: 15.60 C Cross Totals Index: 11.20 C K Index: -23.50 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 4.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.96 J/kg Max Up Vert Vel: 9.16 m/s Conv Inhibition (B-): 26389.97 J/kg Cap Strength: 30.39 C Lift Cond Lev (LCL): 850.93 mb = 1255.22 m = 4118.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 164 at 10 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 1006 84 100 3 -3.0 0.5 | 2 9 -0.3 -8.8 1 1000 125 105 5 -4.8 1.3 | 15 8 -2.1 -8.1 2 925 666 145 9 -5.2 7.4 | 51 3 -2.5 -2.0 3 850 1263 150 13 -6.5 11.3 | 117 4 -3.8 1.9 4 700 2656 125 13 -10.6 7.5 | 77 8 -8.0 -1.9 5 500 4980 135 15 -10.6 10.6 | 99 8 -7.9 1.3 6 400 6420 130 15 -11.5 9.6 | 92 9 -8.8 0.3 7 330 7643 140 19 -12.2 14.6 | 119 11 -9.5 5.2 8 300 8240 130 17 -13.0 10.9 | 99 10 -10.3 1.6 9 250 9390 160 15 -5.1 14.1 | 153 5 -2.4 4.7 10 200 10800 160 9 -3.1 8.5 | 24 1 -0.4 -0.9 11 150 12620 170 15 -2.6 14.8 | 181 5 0.1 5.4 Wind Parameters Mean winds (0-6000m): 134.0 at 13.0 knts Storm direction: 164.0 at 9.7 knts Shear (0-3000m) pos: 1.8 neg: 0.8 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 78.8 deg Storm rel helicity (0-3000m) pos: 14.5 neg: -6.4 tot: 8.1 m^2/s^2 ave: 2.7 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.16 Bulk Shear: 5.86 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 ------------------------------------------------------------------------------- 500 125 6 25 6| 6.5 0.0 6.5| 9.5 0.0 9.5 19.0 0.70| 7.4 5.2 1000 139 8 41 4| 5.2 0.0 5.2| 12.4 0.0 12.4 12.4 0.75| 5.7 4.3 1500 143 10 63 4| 3.5 0.5 4.0| 13.3 -1.2 12.1 8.1 0.61| 4.7 2.9 2000 142 11 74 4| 2.6 0.8 3.4| 13.3 -3.4 9.9 5.0 0.44| 4.0 1.8 2500 139 11 78 5| 2.1 1.0 3.1| 13.3 -6.0 7.3 2.9 0.31| 3.6 1.1 3000 137 11 78 5| 1.8 0.8 2.6| 14.5 -6.4 8.1 2.7 0.32| 3.2 1.0 4000 135 12 81 6| 1.5 0.6 2.1| 17.3 -6.4 10.9 2.7 0.36| 2.5 0.9 5000 134 13 85 6| 1.3 0.5 1.8| 20.0 -6.5 13.4 2.7 0.40| 2.2 0.9 6000 134 13 87 7| 1.1 0.5 1.6| 20.0 -8.1 11.8 2.0 0.35| 1.9 0.7 Wrote GIF file: /home/apache/climate/data/raob//U4343/skewt/U4343.skewt.20251211.12.gif