UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for UHNN... Searching the city database file for: UHNN ... Date:1200Z 7 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 -13.7 -17.2 75 3.5 -14.4 290 1 259.0 259.2 258.4 261.7 0.98 1 1000 89 -13.7 -17.1 75 3.4 -14.3 285 3 259.5 259.6 258.8 262.2 1.00 2 990 165 -13.7 -17.1 75 3.4 -14.3 299 4 260.2 260.4 259.4 262.9 1.01 3 976 274 -11.3 -14.5 77 3.2 -12.0 318 4 263.7 263.9 262.6 267.1 1.27 4 952 465 -10.3 -13.4 78 3.1 -11.1 351 6 266.6 266.8 265.0 270.5 1.43 5 925 685 -11.7 -14.5 80 2.8 -12.3 30 7 267.3 267.6 265.4 271.1 1.34 6 869 1161 -14.9 -18.0 77 3.1 -15.5 63 6 268.8 269.0 265.9 271.8 1.07 7 850 1328 -15.3 -18.3 78 3.0 -15.9 75 5 270.1 270.3 266.8 273.1 1.06 8 826 1544 -16.3 -19.4 77 3.1 -16.9 89 5 271.3 271.4 267.4 274.1 0.99 9 796 1822 -17.7 -20.9 76 3.2 -18.3 107 5 272.7 272.8 268.2 275.3 0.91 10 700 2776 -22.1 -25.2 76 3.1 -22.6 170 5 278.0 278.1 271.2 280.1 0.70 11 679 2999 -22.3 -25.4 76 3.1 -22.8 173 7 280.2 280.3 272.5 282.4 0.71 12 530 4774 -33.3 -36.6 72 3.3 -33.6 199 22 287.6 287.7 275.9 288.6 0.31 13 500 5180 -36.5 -39.6 73 3.1 -36.7 205 25 288.5 288.6 276.3 289.3 0.25 14 414 6462 -46.7 -49.6 72 2.9 -46.8 201 27 291.4 291.4 277.5 291.8 0.10 15 400 6690 -47.7 -50.6 72 2.9 -47.8 200 27 293.0 293.0 278.3 293.3 0.09 16 305 8436 -57.7 -60.7 68 3.0 -57.8 214 27 302.6 302.6 282.5 302.7 0.04 17 300 8540 -57.1 -60.1 69 3.0 -57.2 215 27 304.9 304.9 283.4 305.0 0.04 TRP WND Sounding variables and indices 1000-500 mb thick: 5091.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 75.49 % Est. max temperature: -2.98 C = 26.64 F Sfc-Lift cond lev (LCL): 950.42 mb = 477.31 m = 1565.96 ft T: -10.38 C 700-500 lapse rate: 5.99 C/km ThetaE index: 0.00 C Layer 1006.0--30786326528.0 mb Conv cond level (CCL): 817.09 mb = 1625.50 m = 5332.93 ft Mean mixing ratio: 1.27 g/kg Conv temperature: -0.99 C = 30.21 F Cap Strength: 16.31 C Lifted Index: 16.74 C Risk: None Lifted Index @300 mb: 25.91 C Lifted Index @700 mb: 9.76 C Showalter Index: 12.87 C Risk: None Total Totals Index: 39.40 C Risk: None Vertical Totals Index: 21.20 C Cross Totals Index: 18.20 C K Index: -0.20 Risk: None Sweat Index: 35.00 Risk: None Energy Index: 3.41 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.67 J/kg Max Up Vert Vel: 7.83 m/s Conv Inhibition (B-): 4574.50 J/kg Cap Strength: 16.60 C Lift Cond Lev (LCL): 908.96 mb = 818.27 m = 2684.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 225 at 9 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 68 290 1 0.9 -0.3 | 39 9 -5.6 -6.8 1 1000 89 285 3 2.9 -0.8 | 27 8 -3.6 -7.3 2 925 685 30 7 -3.5 -6.1 | 39 16 -10.0 -12.6 3 850 1328 75 5 -4.8 -1.3 | 56 14 -11.4 -7.8 4 700 2776 170 5 -0.9 4.9 | 78 8 -7.4 -1.6 5 500 5180 205 25 10.6 22.7 | 194 17 4.0 16.2 6 400 6690 200 27 9.2 25.4 | 188 19 2.7 18.9 7 300 8540 215 27 15.5 22.1 | 210 18 9.0 15.6 Wind Parameters Mean winds (0-6000m): 195.2 at 12.3 knts Storm direction: 225.2 at 9.2 knts Shear (0-3000m) pos: 1.4 neg: 0.0 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 57.7 deg Storm rel helicity (0-3000m) pos: 54.2 neg: -6.7 tot: 47.5 m^2/s^2 ave: 15.8 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 2.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.89 Bulk Shear: 34.46 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 ------------------------------------------------------------------------------- 500 342 4 26 12| 6.3 0.0 6.3| 7.9 -6.7 1.2 2.5 -0.06| 9.4 -0.6 1000 24 5 37 14| 3.3 0.0 3.3| 28.8 -6.7 22.1 22.1 0.31| 7.6 2.3 1500 40 5 43 15| 2.0 0.0 2.0| 38.9 -6.7 32.2 21.5 0.40| 6.2 2.5 2000 57 5 49 14| 1.5 0.0 1.5| 45.9 -6.7 39.2 19.6 0.45| 5.4 2.4 2500 71 5 55 14| 1.2 0.0 1.2| 49.1 -6.7 42.4 17.0 0.44| 4.9 2.2 3000 89 5 61 14| 1.4 0.0 1.4| 54.2 -6.7 47.5 15.8 0.48| 4.7 2.2 4000 152 7 87 10| 2.1 0.0 2.1| 72.3 -6.7 65.6 16.4 0.59| 4.7 2.8 5000 186 10 119 6| 2.5 0.0 2.5| 98.3 -6.7 91.6 18.3 0.63| 4.7 3.0 6000 195 12 148 6| 2.2 0.1 2.3|101.7 -11.1 90.5 15.1 0.59| 4.2 2.5 Wrote GIF file: /home/apache/climate/data/raob//UHNN/skewt/UHNN.skewt.20251207.12.gif