UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121212.upa.cvt Date: 1200Z 12 DEC 25 Searching for USHH... Searching the city database file for: USHH ... Date:1200Z 12 DEC 25 Station: USHH WMO ident: 23933 Latitude: 60.97 Longitude: 69.07 Elevation: 40.00 ------------------------------------------------------------------------------- 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 23 160 5 SFC 997 40 -8.5 -11.5 79 3.0 -9.3 160 5 264.9 265.1 264.0 269.2 1.59 2 964 303 -10.5 -13.3 80 2.8 -11.2 180 15 265.4 265.6 264.1 269.3 1.42 3 938 519 -3.5 -4.5 93 1.0 -3.8 197 23 274.6 275.1 272.7 282.6 2.91 4 925 631 -3.9 -4.9 93 1.0 -4.3 205 27 275.3 275.8 273.0 283.2 2.87 5 850 1295 -6.5 -8.5 86 2.0 -7.2 225 27 279.3 279.7 274.6 286.0 2.36 6 746 2303 -11.7 -13.6 86 1.9 -12.2 235 20 284.3 284.6 276.5 289.6 1.79 7 700 2787 -14.5 -20.5 60 6.0 -15.8 240 17 286.4 286.6 276.5 289.7 1.07 8 646 3385 -19.7 -27.7 49 8.0 -21.0 247 25 287.2 287.3 276.2 289.1 0.61 9 630 3570 -20.3 -26.3 59 6.0 -21.3 249 27 288.6 288.7 277.0 290.8 0.71 10 564 4373 -27.5 -31.0 72 3.5 -27.9 259 38 289.4 289.5 277.2 291.0 0.51 11 500 5220 -35.9 -39.5 69 3.6 -36.1 270 50 289.3 289.3 276.7 290.1 0.25 12 400 6730 -51.1 -55.0 63 3.9 -51.2 275 79 288.6 288.6 276.0 288.8 0.05 13 380 7062 -53.6 -57.6 62 4.0 -53.7 280 87 289.5 289.5 276.5 289.7 0.04 14 364 7337 -55.7 -59.7 61 4.0 -55.8 290.3 290.3 276.9 290.4 0.03 TRP WND 380 7062 -53.6 -57.6 62 4.0 -53.7 280 87 289.5 289.5 276.5 289.7 0.04 Sounding variables and indices 1000-500 mb thick: 5197.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 74.17 % Est. max temperature: 6.08 C = 42.95 F Sfc-Lift cond lev (LCL): 950.30 mb = 416.59 m = 1366.73 ft T: -6.83 C 700-500 lapse rate: 8.80 C/km Conv cond level (CCL): 997.00 mb = 40.00 m = 131.23 ft Mean mixing ratio: 2.23 g/kg Conv temperature: -7.23 C = 18.99 F Cap Strength: 11.32 C Lifted Index: 10.43 C Risk: None Lifted Index @700 mb: 10.44 C Showalter Index: 3.34 C Risk: None Total Totals Index: 56.80 C Risk: Severe Thunderstorms probable Vertical Totals Index: 29.40 C Cross Totals Index: 27.40 C K Index: 14.90 Risk: None Sweat Index: 373.39 Risk: Showers and thunderstorms possible Energy Index: 0.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 62.64 J/kg Max Up Vert Vel: 11.19 m/s Conv Inhibition (B-): 2540.49 J/kg Cap Strength: 11.28 C Lift Cond Lev (LCL): 925.63 mb = 625.60 m = 2052.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 at 24 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 ---------------------------------------------------------- 0 997 40 160 5 -1.7 4.7 | 112 27 -25.0 10.1 1 925 631 205 27 11.4 24.5 | 158 32 -11.9 29.9 2 850 1295 225 27 19.1 19.1 | 170 25 -4.2 24.5 3 700 2787 240 17 14.7 8.5 | 148 16 -8.6 13.9 4 500 5220 270 50 50.0 -0.0 | 259 27 26.7 5.4 5 400 6730 275 79 78.7 -6.9 | 272 55 55.4 -1.5 Wind Parameters Mean winds (0-6000m): 253.0 at 31.9 knts Storm direction: 283.0 at 23.9 knts Shear (0-3000m) pos: 3.5 neg: 0.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 48.9 deg Storm rel helicity (0-3000m) pos: 258.5 neg: -35.3 tot: 223.2 m^2/s^2 ave: 74.4 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 4.6 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 0.67 Bulk Shear: 93.89 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 ------------------------------------------------------------------------------- 500 197 14 135 27| 20.5 0.0 20.5|162.5 0.0 162.5 324.9 0.96| 21.7 20.8 1000 205 20 149 28| 12.7 0.0 12.7|231.0 0.0 231.0 231.0 0.91| 16.2 14.7 1500 212 23 155 27| 8.2 0.0 8.2|245.2 -4.0 241.2 160.8 0.81| 12.7 10.3 2000 217 23 158 25| 5.4 0.0 5.4|245.2 -15.8 229.4 114.7 0.68| 10.5 7.2 2500 220 22 158 24| 3.8 0.0 3.8|245.2 -29.5 215.7 86.3 0.56| 9.2 5.2 3000 223 22 158 23| 3.5 0.0 3.5|258.5 -35.3 223.2 74.4 0.54| 8.5 4.6 4000 231 23 165 20| 4.5 0.0 4.5|318.1 -35.3 282.8 70.7 0.64| 8.3 5.3 5000 244 27 182 17| 5.1 0.0 5.1|393.1 -35.3 357.9 71.6 0.69| 8.3 5.7 6000 253 32 206 16| 5.8 0.0 5.8|455.2 -35.3 419.9 70.0 0.63| 8.5 5.4 Wrote GIF file: /home/apache/climate/data/raob//USHH/skewt/USHH.skewt.20251212.12.gif