UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for UHNN... Searching the city database file for: UHNN ... Date:1200Z 8 DEC 25 Station: UHNN WMO ident: 31369 Latitude: 53.15 Longitude: 140.70 Elevation: 68.00 ------------------------------------------------------------------------------- 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 1006 68 -9.5 -13.0 76 3.5 -10.4 270 5 263.2 263.4 262.4 267.0 1.39 1 1000 93 -9.5 -12.4 79 2.9 -10.2 275 7 263.6 263.9 262.9 267.6 1.47 2 969 336 -9.5 -12.5 79 3.0 -10.2 297 9 266.0 266.3 264.7 270.2 1.51 3 925 692 -12.3 -15.2 79 2.9 -12.9 330 11 266.7 266.9 264.8 270.2 1.27 4 850 1332 -17.5 -20.1 80 2.6 -18.0 360 21 267.8 268.0 264.9 270.4 0.91 5 700 2758 -27.1 -31.1 69 4.0 -27.5 295 7 272.5 272.5 267.1 273.7 0.41 6 682 2945 -28.9 -33.2 66 4.3 -29.3 286 7 272.5 272.6 267.0 273.5 0.34 7 540 4590 -36.3 -39.3 74 3.0 -36.5 206 7 282.5 282.5 273.0 283.2 0.23 8 500 5120 -39.7 -42.7 73 3.0 -39.9 180 7 284.6 284.7 274.1 285.2 0.18 9 400 6610 -50.7 -54.1 67 3.4 -50.8 185 5 289.1 289.1 276.3 289.3 0.06 10 379 6960 -52.9 -56.5 65 3.6 -52.9 290.7 290.7 277.1 290.9 0.05 TRP WND Sounding variables and indices 1000-500 mb thick: 5027.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 73.74 % Est. max temperature: -4.96 C = 23.06 F Sfc-Lift cond lev (LCL): 951.13 mb = 478.44 m = 1569.67 ft T: -10.62 C 700-500 lapse rate: 5.33 C/km Conv cond level (CCL): 891.75 mb = 969.10 m = 3179.41 ft Mean mixing ratio: 1.39 g/kg Conv temperature: -5.48 C = 22.13 F Cap Strength: 11.02 C Lifted Index: 12.46 C Risk: None Lifted Index @700 mb: 3.67 C Showalter Index: 11.84 C Risk: None Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 19.60 C K Index: -1.90 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 3.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.32 J/kg Max Up Vert Vel: 4.76 m/s Conv Inhibition (B-): 2041.45 J/kg Cap Strength: 12.44 C Lift Cond Lev (LCL): 910.83 mb = 808.84 m = 2653.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 345 at 7 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 1006 68 270 5 5.0 -0.0 | 204 8 3.1 7.0 1 1000 93 275 7 7.0 -0.6 | 219 8 5.1 6.4 2 925 692 330 11 5.5 -9.5 | 305 4 3.6 -2.6 3 850 1332 360 21 -0.0 -21.0 | 8 14 -1.9 -14.0 4 700 2758 295 7 6.3 -3.0 | 228 6 4.5 4.0 5 500 5120 180 7 0.0 7.0 | 172 14 -1.9 14.0 6 400 6610 185 5 0.4 5.0 | 173 12 -1.4 11.9 Wind Parameters Mean winds (0-6000m): 315.1 at 9.6 knts Storm direction: 345.1 at 7.2 knts Shear (0-3000m) pos: 3.2 neg: 3.0 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 16.9 deg Storm rel helicity (0-3000m) pos: 36.3 neg: -42.6 tot: -6.3 m^2/s^2 ave: -2.1 10^-3 m/s^2 rel: -0.01 Storm rel vorticity (0-3000m) horiz: 7.9 stream: -0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 11.05 Bulk Shear: 1.02 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 ------------------------------------------------------------------------------- 500 299 8 242 6| 8.0 0.0 8.0| 14.7 0.0 14.7 29.5 0.93| 9.4 8.7 1000 324 11 291 5| 8.5 0.0 8.5| 26.6 0.0 26.6 26.6 0.85| 9.6 8.1 1500 340 14 335 6| 6.3 0.0 6.3| 36.3 -9.8 26.5 17.6 0.58| 9.4 5.5 2000 341 14 337 7| 4.7 2.1 6.8| 36.3 -26.7 9.6 4.8 0.25| 9.2 2.3 2500 340 14 335 7| 3.8 2.9 6.7| 36.3 -37.6 -1.3 -0.5 0.06| 8.7 0.5 3000 338 13 330 6| 3.2 3.0 6.2| 36.3 -42.6 -6.3 -2.1 -0.01| 7.9 -0.1 4000 328 11 303 5| 2.4 2.9 5.3| 36.3 -53.5 -17.2 -4.3 -0.09| 6.7 -0.6 5000 324 10 287 4| 1.9 2.6 4.5| 36.3 -72.7 -36.4 -7.3 -0.17| 6.0 -1.0 6000 315 10 268 5| 1.6 2.1 3.8| 36.8 -73.8 -37.0 -6.2 -0.17| 5.1 -0.9 Wrote GIF file: /home/apache/climate/data/raob//UHNN/skewt/UHNN.skewt.20251208.12.gif