UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120300.upa.cvt Date: 0000Z 3 DEC 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 3 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 ------------------------------------------------------------------------------- SFC 1017 43 -27.3 -32.0 64 4.7 -27.6 220 1 244.7 244.7 244.4 245.4 0.26 1 1000 164 -27.5 -33.5 57 6.0 -27.9 195 7 245.6 245.7 245.2 246.3 0.23 2 976 339 -26.1 -32.1 57 6.0 -26.6 179 8 248.8 248.8 248.2 249.5 0.27 3 966 414 -22.7 -27.7 64 5.0 -23.2 173 8 252.9 253.0 252.1 254.1 0.41 4 925 734 -19.1 -23.9 66 4.8 -19.8 145 9 259.8 259.9 258.2 261.4 0.60 5 895 978 -19.7 -23.9 69 4.2 -20.3 157 11 261.6 261.7 259.8 263.4 0.62 6 884 1070 -17.7 -21.8 70 4.1 -18.4 161 12 264.6 264.7 262.3 266.7 0.75 7 850 1363 -18.1 -22.1 71 4.0 -18.7 175 15 267.2 267.3 264.2 269.4 0.76 8 807 1750 -18.9 -23.0 70 4.1 -19.6 188 16 270.3 270.5 266.3 272.5 0.74 9 755 2242 -23.5 -27.4 70 3.9 -24.0 206 16 270.5 270.6 266.1 272.1 0.53 10 736 2429 -21.1 -24.8 72 3.7 -21.7 212 16 275.1 275.3 269.4 277.2 0.69 11 700 2798 -22.9 -28.9 58 6.0 -23.7 225 17 277.1 277.2 270.3 278.6 0.50 12 687 2935 -22.9 -28.9 58 6.0 -23.7 225 18 278.6 278.7 271.2 280.2 0.51 13 501 5176 -38.1 -48.1 34 10.0 -38.5 220 36 286.4 286.4 275.0 286.8 0.10 14 500 5190 -38.3 -48.3 34 10.0 -38.8 220 36 286.3 286.4 274.9 286.7 0.10 15 415 6455 -43.7 -53.7 32 10.0 -44.0 228 53 295.1 295.1 279.2 295.3 0.06 16 401 6683 -46.7 -55.7 35 9.0 -46.9 230 56 294.1 294.1 278.7 294.3 0.05 17 400 6700 -46.7 -55.7 35 9.0 -46.9 230 56 294.3 294.3 278.9 294.5 0.05 18 342 7727 -54.3 -63.3 32 9.0 -54.4 225 66 297.5 297.5 280.3 297.5 0.02 19 300 8570 -54.3 -63.3 32 9.0 -54.4 215 68 308.8 308.8 284.9 308.9 0.03 20 280 9013 -54.3 -63.3 32 9.0 -54.5 230 71 315.0 315.0 287.1 315.1 0.03 21 255 9613 -54.3 -63.3 32 9.0 -54.5 226 65 323.5 323.5 289.9 323.6 0.03 22 250 9740 -54.3 -63.3 32 9.0 -54.5 225 64 325.3 325.3 290.4 325.5 0.03 23 225 10415 -54.3 -63.3 32 9.0 -54.5 335.3 335.3 293.2 335.4 0.03 TRP 342 7727 -54.3 -63.3 32 9.0 -54.4 225 66 297.5 297.5 280.3 297.5 0.02 WND 280 9013 -54.3 -63.3 32 9.0 -54.5 230 71 315.0 315.0 287.1 315.1 0.03 Sounding variables and indices 1000-500 mb thick: 5026.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 57.46 % Est. max temperature: -5.98 C = 21.24 F Sfc-Lift cond lev (LCL): 939.58 mb = 618.63 m = 2029.61 ft T: -20.40 C 700-500 lapse rate: 6.44 C/km ThetaE index: 0.36 C Layer 755.0- 736.0 mb Conv cond level (CCL): 544.41 mb = 4586.41 m = 15047.10 ft Mean mixing ratio: 0.39 g/kg Conv temperature: 12.68 C = 54.83 F Cap Strength: 27.27 C Lifted Index: 27.19 C Risk: None Lifted Index @300 mb: 39.37 C Lifted Index @700 mb: 21.85 C Showalter Index: 14.09 C Risk: None Total Totals Index: 36.40 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 16.20 C K Index: -7.90 Risk: None Sweat Index: 179.39 Risk: None Energy Index: 3.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 71.99 J/kg Max Up Vert Vel: 12.00 m/s Conv Inhibition (B-): 11688.19 J/kg Cap Strength: 27.21 C Lift Cond Lev (LCL): 894.64 mb = 981.49 m = 3220.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 245 at 17 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 1017 43 220 1 0.6 0.8 | 66 16 -14.6 -6.5 1 1000 164 195 7 1.8 6.8 | 88 13 -13.5 -0.5 2 925 734 145 9 -5.2 7.4 | 90 20 -20.4 0.1 3 850 1363 175 15 -1.3 14.9 | 115 18 -16.6 7.7 4 700 2798 225 17 12.0 12.0 | 146 6 -3.3 4.8 5 500 5190 220 36 23.1 27.6 | 201 22 7.9 20.3 6 400 6700 230 56 42.9 36.0 | 224 40 27.6 28.7 7 342 7727 225 66 46.7 46.7 | 219 50 31.4 39.4 8 300 8570 215 68 39.0 55.7 | 206 54 23.7 48.4 9 280 9013 230 71 54.4 45.6 | 226 55 39.1 38.4 10 250 9740 225 64 45.3 45.3 | 218 48 30.0 38.0 Wind Parameters Mean winds (0-6000m): 214.6 at 22.6 knts Storm direction: 244.6 at 16.9 knts Shear (0-3000m) pos: 3.0 neg: 2.0 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 96.1 deg Storm rel helicity (0-3000m) pos: 92.6 neg: -2.6 tot: 90.0 m^2/s^2 ave: 30.0 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 3.9 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 1.79 Bulk Shear: 40.15 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 ------------------------------------------------------------------------------- 500 180 7 88 15| 0.0 8.1 8.1| 25.0 -0.0 25.0 49.9 0.62| 10.9 6.8 1000 163 8 92 18| 0.0 5.9 5.9| 45.4 -2.6 42.9 42.9 0.58| 8.8 5.1 1500 168 10 99 18| 2.1 3.9 6.0| 72.6 -2.6 70.0 46.7 0.66| 8.0 5.3 2000 176 11 104 17| 2.6 3.0 5.5| 82.4 -2.6 79.9 39.9 0.63| 7.3 4.6 2500 184 12 110 15| 2.9 2.4 5.3| 88.1 -2.6 85.5 34.2 0.60| 6.8 4.1 3000 193 13 115 14| 3.0 2.0 5.0| 92.6 -2.6 90.0 30.0 0.60| 6.5 3.9 4000 205 16 128 11| 2.3 2.2 4.4|103.8 -2.6 101.2 25.3 0.60| 5.9 3.5 5000 211 19 148 11| 1.8 2.5 4.3|113.2 -2.6 110.7 22.1 0.55| 5.5 3.0 6000 215 23 168 12| 2.6 2.0 4.6|161.5 -2.6 159.0 26.5 0.54| 5.7 3.1 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251203.00.gif