UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for USHH... Searching the city database file for: USHH ... Date:1200Z 9 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 ------------------------------------------------------------------------------- SFC 1034 40 -22.5 -25.2 79 2.7 -22.8 225 5 248.3 248.3 248.2 249.5 0.48 1 1000 293 -14.7 -19.1 69 4.4 -15.4 255 27 258.5 258.6 257.7 260.7 0.84 2 976 478 -11.3 -18.3 56 7.0 -12.7 257 28 263.7 263.8 261.9 266.2 0.92 3 925 888 -11.7 -18.7 56 7.0 -13.1 260 31 267.3 267.5 264.6 270.0 0.94 4 921 921 -11.5 -18.5 56 7.0 -12.9 259 31 267.9 268.0 265.0 270.6 0.96 5 886 1216 -14.1 -25.1 39 11.0 -15.9 255 29 268.2 268.3 264.5 269.8 0.56 6 850 1530 -14.9 -26.9 35 12.0 -16.7 250 27 270.5 270.6 266.0 272.0 0.50 7 701 2975 -19.5 -41.5 12 22.0 -21.7 285 19 280.8 280.8 271.9 281.2 0.14 8 700 2986 -19.7 -42.7 11 23.0 -21.8 285 19 280.7 280.7 271.8 281.1 0.13 9 566 4528 -28.7 -49.7 11 21.0 -30.0 291 20 287.7 287.7 275.6 287.9 0.07 10 500 5400 -35.1 -45.1 35 10.0 -35.7 295 21 290.2 290.3 277.0 290.7 0.14 11 444 6219 -42.9 -48.9 52 6.0 -43.1 319 22 290.4 290.5 277.0 290.8 0.10 12 400 6920 -46.9 -51.9 57 5.0 -47.0 340 23 294.0 294.0 278.7 294.3 0.08 13 300 8770 -61.1 -66.0 52 4.9 -61.2 350 36 299.2 299.2 281.0 299.3 0.02 14 275 9306 -64.7 -69.6 51 4.9 -64.7 301.5 301.5 282.0 301.6 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5107.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 28.24 % Est. max temperature: -2.27 C = 27.92 F Sfc-Lift cond lev (LCL): 988.66 mb = 379.65 m = 1245.56 ft T: -13.10 C 700-500 lapse rate: 6.38 C/km ThetaE index: 0.79 C Layer 886.0- 850.0 mb Conv cond level (CCL): 622.53 mb = 3836.96 m = 12588.31 ft Mean mixing ratio: 0.83 g/kg Conv temperature: 14.14 C = 57.45 F Cap Strength: 21.50 C Lifted Index: 22.77 C Risk: None Lifted Index @300 mb: 25.95 C Lifted Index @700 mb: 16.96 C Showalter Index: 15.15 C Risk: None Total Totals Index: 28.40 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 8.20 C K Index: -29.70 Risk: None Sweat Index: 188.39 Risk: None Energy Index: 3.97 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 68.28 J/kg Max Up Vert Vel: 11.69 m/s Conv Inhibition (B-): 7013.11 J/kg Cap Strength: 22.75 C Lift Cond Lev (LCL): 900.98 mb = 1088.51 m = 3571.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 306 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 1034 40 225 5 3.5 3.5 | 143 17 -10.2 13.4 1 1000 293 255 27 26.1 7.0 | 216 21 12.4 16.8 2 925 888 260 31 30.5 5.4 | 228 23 16.8 15.2 3 850 1530 250 27 25.4 9.2 | 211 22 11.7 19.1 4 700 2986 285 19 18.4 -4.9 | 223 7 4.6 4.9 5 500 5400 295 21 19.0 -8.9 | 260 5 5.3 1.0 6 400 6920 340 23 7.9 -21.6 | 26 13 -5.9 -11.8 7 300 8770 350 36 6.3 -35.5 | 16 27 -7.5 -25.6 Wind Parameters Mean winds (0-6000m): 275.6 at 22.5 knts Storm direction: 305.6 at 16.9 knts Shear (0-3000m) pos: 3.8 neg: 0.8 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 81.3 deg Storm rel helicity (0-3000m) pos: 148.7 neg: -35.9 tot: 112.8 m^2/s^2 ave: 37.6 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 4.3 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 7.42 Bulk Shear: 9.21 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 ------------------------------------------------------------------------------- 500 254 22 204 17| 25.3 0.0 25.3|119.2 0.0 119.2 238.3 0.98| 26.5 26.0 1000 257 26 216 20| 13.4 0.0 13.4|132.1 -7.3 124.8 124.8 0.89| 15.1 13.5 1500 256 27 217 20| 8.9 1.6 10.6|132.1 -35.8 96.3 64.2 0.62| 11.8 7.3 2000 256 26 216 20| 6.3 1.2 7.6|143.6 -35.8 107.7 53.9 0.59| 10.4 6.1 2500 258 26 217 19| 4.8 1.0 5.8|148.1 -35.8 112.3 44.9 0.54| 9.4 5.1 3000 260 25 217 18| 3.8 0.8 4.6|148.7 -35.9 112.8 37.6 0.50| 8.6 4.3 4000 265 24 220 15| 3.0 0.6 3.6|151.1 -35.9 115.2 28.8 0.51| 6.7 3.4 5000 271 23 223 13| 2.5 0.5 3.0|153.6 -35.9 117.7 23.5 0.52| 5.5 2.9 6000 276 23 229 12| 2.3 0.4 2.7|163.2 -35.9 127.3 21.2 0.58| 5.3 3.0 Wrote GIF file: /home/apache/climate/data/raob//USHH/skewt/USHH.skewt.20251209.12.gif