UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 7 DEC 25 Station: U1946 WMO ident: 21946 Latitude: 70.62 Longitude: 147.90 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 15 SFC 996 44 -24.9 -27.9 76 3.0 -25.2 200 1 248.5 248.6 248.2 249.6 0.39 2 975 200 -20.9 -24.8 71 3.9 -21.4 254.1 254.2 253.4 255.5 0.52 3 935 512 -16.9 -20.4 74 3.5 -17.5 261.2 261.4 259.8 263.4 0.81 4 925 593 -17.1 -20.4 75 3.3 -17.6 280 5 261.8 262.0 260.3 264.1 0.81 5 918 650 -17.5 -20.7 76 3.2 -18.0 262.0 262.1 260.4 264.2 0.80 6 914 682 -15.5 -18.9 75 3.4 -16.1 264.4 264.5 262.4 267.0 0.94 7 896 833 -12.9 -15.8 79 2.9 -13.5 268.6 268.8 266.0 272.0 1.24 8 850 1232 -14.9 -18.2 76 3.3 -15.6 215 7 270.5 270.7 267.1 273.6 1.07 9 799 1698 -16.9 -19.8 78 2.9 -17.4 273.2 273.4 268.7 276.1 0.99 10 700 2676 -24.3 -26.9 79 2.6 -24.6 190 25 275.6 275.7 269.5 277.4 0.60 11 688 2801 -25.5 -28.0 80 2.5 -25.8 275.6 275.7 269.5 277.3 0.55 12 676 2929 -24.1 -26.5 80 2.4 -24.4 278.6 278.7 271.4 280.5 0.65 13 500 5080 -34.3 -37.8 70 3.5 -34.6 210 23 291.2 291.3 277.7 292.2 0.29 14 499 5094 -34.5 -38.0 70 3.5 -34.8 291.1 291.2 277.7 292.1 0.29 15 458 5687 -39.3 -43.7 63 4.4 -39.5 292.4 292.4 278.1 293.0 0.17 16 400 6600 -46.5 -51.1 59 4.6 -46.6 210 11 294.6 294.6 279.0 294.9 0.09 17 306 8343 -55.9 -60.2 58 4.3 -56.0 290 7 304.8 304.8 283.4 305.0 0.04 18 300 8470 -53.3 -58.0 56 4.7 -53.4 255 7 310.2 310.2 285.5 310.4 0.05 19 250 9640 -53.5 -58.5 54 5.0 -53.6 180 29 326.5 326.5 290.8 326.8 0.06 20 200 11080 -51.5 -58.5 43 7.0 -51.7 185 35 351.2 351.2 297.0 351.5 0.07 21 150 12940 -52.1 -62.1 29 10.0 -52.5 170 44 380.3 380.3 302.3 380.6 0.06 22 100 15560 -52.9 -65.9 19 13.0 -53.5 185 38 425.5 425.5 308.4 425.8 0.05 23 70 17850 -54.7 -69.7 14 15.0 -55.4 190 46 467.4 467.4 312.4 467.6 0.05 24 50 19980 -56.7 -73.7 10 17.0 -57.5 205 50 509.9 509.9 315.7 510.1 0.04 25 34 22407 -59.9 -77.9 8 18.0 -60.7 560.9 560.9 318.7 561.1 0.03 TRP 306 8343 -55.9 -60.2 58 4.3 -56.0 290 7 304.8 304.8 283.4 305.0 0.04 WND 31 195 75 Sounding variables and indices 1000-500 mb thick: 5065.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 76.37 % Est. max temperature: -2.72 C = 27.11 F Sfc-Lift cond lev (LCL): 947.31 mb = 414.95 m = 1361.37 ft T: -18.15 C 700-500 lapse rate: 4.16 C/km Conv cond level (CCL): 996.00 mb = 44.14 m = 144.83 ft Mean mixing ratio: 0.74 g/kg Conv temperature: -20.72 C = -5.30 F Cap Strength: 16.19 C Lifted Index: 24.86 C Risk: None Lifted Index @300 mb: 34.92 C Lifted Index @700 mb: 13.71 C Showalter Index: 14.72 C Risk: None Total Totals Index: 35.50 C Risk: None Vertical Totals Index: 19.40 C Cross Totals Index: 16.10 C K Index: -1.40 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 3.86 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 62.36 J/kg Max Up Vert Vel: 11.17 m/s Conv Inhibition (B-): 48573.21 J/kg Cap Strength: 24.35 C Lift Cond Lev (LCL): 899.89 mb = 800.14 m = 2625.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 31 27805 195 75 19.4 72.4 1 996 44 200 1 0.3 0.9 2 925 593 280 5 4.9 -0.9 3 850 1232 215 7 4.0 5.7 4 700 2676 190 25 4.3 24.6 5 500 5080 210 23 11.5 19.9 6 400 6600 210 11 5.5 9.5 7 306 8343 290 7 6.6 -2.4 8 300 8470 255 7 6.8 1.8 9 250 9640 180 29 0.0 29.0 10 200 11080 185 35 3.1 34.9 11 150 12940 170 44 -7.6 43.3 12 100 15560 185 38 3.3 37.9 13 70 17850 190 46 8.0 45.3 14 50 19980 205 50 21.1 45.3 Wind Parameters Energy-Hel index: -3.90 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251207.00.gif