UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120600.upa.cvt Date: 0000Z 6 DEC 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 6 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 -74 SFC 984 48 -14.7 -16.4 87 1.7 -15.0 240 9 259.6 259.8 259.1 262.6 1.08 2 968 173 -14.1 -16.8 80 2.7 -14.6 219 12 261.5 261.6 260.5 264.4 1.06 3 966 188 -12.7 -14.9 84 2.2 -13.2 216 13 263.0 263.2 262.0 266.4 1.24 4 925 521 -10.7 -12.0 90 1.3 -11.1 160 21 268.4 268.6 266.6 272.9 1.64 5 914 613 -10.3 -11.5 91 1.2 -10.6 164 24 269.7 270.0 267.7 274.5 1.73 6 909 655 -8.9 -9.9 92 1.0 -9.2 165 26 271.6 271.9 269.3 277.0 1.98 7 866 1031 -8.5 -9.7 91 1.2 -8.9 179 39 275.8 276.1 272.1 281.7 2.11 8 850 1175 -9.1 -10.9 87 1.8 -9.6 185 44 276.6 276.9 272.4 282.1 1.95 9 816 1490 -9.7 -12.0 83 2.3 -10.4 180 43 279.2 279.5 273.8 284.6 1.86 10 700 2658 -16.9 -22.9 60 6.0 -18.0 160 38 283.8 283.9 274.8 286.4 0.87 11 671 2974 -18.1 -25.1 54 7.0 -19.3 159 39 285.9 286.0 275.7 288.2 0.74 12 635 3382 -21.9 -30.9 44 9.0 -23.1 157 40 286.1 286.2 275.4 287.5 0.46 13 500 5090 -35.7 -41.7 54 6.0 -36.1 150 44 289.5 289.5 276.7 290.2 0.20 14 488 5258 -37.1 -43.1 54 6.0 -37.5 151 43 289.8 289.8 276.9 290.4 0.17 15 465 5592 -37.9 -42.9 59 5.0 -38.2 153 41 292.8 292.9 278.4 293.5 0.19 16 401 6603 -42.1 -52.1 33 10.0 -42.5 160 36 300.1 300.1 281.5 300.3 0.08 17 400 6620 -42.1 -52.1 33 10.0 -42.5 160 38 300.3 300.3 281.5 300.6 0.08 18 316 8211 -42.7 -57.7 18 15.0 -43.3 160 72 320.4 320.4 288.9 320.6 0.05 19 308 8384 -43.9 -59.9 15 16.0 -44.4 160 75 321.1 321.1 289.1 321.2 0.04 20 300 8560 -44.3 -60.3 15 16.0 -44.8 160 79 322.9 322.9 289.7 323.1 0.04 21 266 9360 -46.5 -63.9 12 17.3 -47.0 160 103 330.9 331.0 292.0 331.1 0.03 22 250 9770 -47.7 -65.7 11 18.0 -48.1 160 101 335.2 335.2 293.1 335.2 0.02 23 200 11240 -51.1 -70.1 9 19.0 -51.5 170 69 351.8 351.9 297.0 351.9 0.02 24 182 11851 -52.3 -72.3 7 20.0 -52.7 172 67 359.5 359.5 298.6 359.6 0.01 25 150 13100 -52.3 -72.3 7 20.0 -52.8 175 62 380.0 380.0 302.2 380.0 0.01 26 100 15720 -52.3 -72.3 7 20.0 -53.0 185 77 426.7 426.7 308.5 426.8 0.02 27 98 15851 -52.3 -72.3 7 20.0 -53.0 429.1 429.2 308.7 429.3 0.02 TRP 401 6603 -42.1 -52.1 33 10.0 -42.5 160 36 300.1 300.1 281.5 300.3 0.08 WND 266 9360 -46.5 -63.9 12 17.3 -47.0 160 103 330.9 331.0 292.0 331.1 0.03 Sounding variables and indices 1000-500 mb thick: 5164.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 65.35 % Est. max temperature: 3.40 C = 38.12 F Sfc-Lift cond lev (LCL): 957.14 mb = 259.13 m = 850.14 ft T: -12.27 C 700-500 lapse rate: 7.73 C/km Conv cond level (CCL): 984.00 mb = 48.27 m = 158.36 ft Mean mixing ratio: 1.58 g/kg Conv temperature: -11.76 C = 10.83 F Cap Strength: 13.76 C Lifted Index: 14.85 C Risk: None Lifted Index @300 mb: 36.36 C Lifted Index @700 mb: 12.26 C Showalter Index: 6.53 C Risk: None Total Totals Index: 51.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.60 C Cross Totals Index: 24.80 C K Index: 9.70 Risk: None Sweat Index: 180.00 Risk: None Energy Index: 1.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 54.52 J/kg Max Up Vert Vel: 10.44 m/s Conv Inhibition (B-): 23097.09 J/kg Cap Strength: 14.85 C Lift Cond Lev (LCL): 913.07 mb = 620.86 m = 2036.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 192 at 29 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 ---------------------------------------------------------- 0 984 48 240 9 7.8 4.5 | 355 24 2.0 -23.6 1 925 521 160 21 -7.2 19.7 | 57 15 -13.0 -8.3 2 850 1175 185 44 3.8 43.8 | 173 16 -2.0 15.8 3 700 2658 160 38 -13.0 35.7 | 112 20 -18.8 7.6 4 500 5090 150 44 -22.0 38.1 | 110 30 -27.8 10.0 5 401 6603 160 36 -12.3 33.8 | 108 19 -18.1 5.8 6 400 6620 160 38 -13.0 35.7 | 112 20 -18.8 7.6 7 300 8560 160 79 -27.0 74.2 | 145 57 -32.8 46.2 8 266 9360 160 103 -35.2 96.8 | 149 80 -41.0 68.7 9 250 9770 160 101 -34.5 94.9 | 149 78 -40.4 66.8 10 200 11240 170 69 -12.0 68.0 | 156 44 -17.8 39.9 11 150 13100 175 62 -5.4 61.8 | 162 36 -11.2 33.7 12 100 15720 185 77 6.7 76.7 | 181 49 0.9 48.6 Wind Parameters Mean winds (0-6000m): 161.7 at 38.2 knts Storm direction: 191.7 at 28.7 knts Shear (0-3000m) pos: 3.5 neg: 5.5 tot: 9.0 10-3/s Storm rel Dir Shear (0-3000m): 116.8 deg Storm rel helicity (0-3000m) pos: 128.1 neg: -80.6 tot: 47.6 m^2/s^2 ave: 15.9 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 11.9 stream: 3.6 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.71 Bulk Shear: 76.72 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 15 25 14| 0.0 22.7 22.7| 53.7 -2.6 51.1 102.2 0.61| 25.2 15.5 1000 175 23 56 9| 10.4 11.4 21.7|114.2 -2.6 111.6 111.6 0.77| 23.1 17.7 1500 179 29 102 6| 6.9 8.6 15.5|128.1 -19.3 108.8 72.6 0.63| 18.6 11.8 2000 178 32 122 8| 5.2 7.1 12.2|128.1 -46.6 81.5 40.7 0.46| 15.6 7.2 2500 175 34 124 10| 4.1 6.2 10.3|128.1 -74.2 53.9 21.6 0.34| 13.7 4.6 3000 173 35 122 12| 3.5 5.5 9.0|128.1 -80.6 47.6 15.9 0.31| 11.9 3.6 4000 168 36 118 15| 2.6 4.6 7.2|128.1 -82.6 45.5 11.4 0.28| 9.4 2.7 5000 164 38 116 18| 2.1 4.1 6.2|128.1 -87.4 40.8 8.2 0.26| 7.9 2.1 6000 162 38 115 20| 1.8 3.4 5.2|128.6 -88.8 39.8 6.6 0.24| 7.2 1.7 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251206.00.gif