UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for UHMM... Searching the city database file for: UHMM ... Date:1200Z 5 DEC 25 Station: UHMM WMO ident: 25913 Latitude: 59.58 Longitude: 150.78 Elevation: 118.00 ------------------------------------------------------------------------------- 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 -308 SFC 948 118 1.0 -3.0 75 4.0 -0.6 70 17 278.4 278.9 275.3 287.4 3.23 2 925 318 -1.1 -4.2 79 3.1 -2.3 85 38 278.2 278.7 274.9 286.6 3.02 3 892 1047 -2.9 -5.1 85 2.2 -3.7 94 44 279.2 279.7 275.3 287.4 2.93 4 850 1988 -4.3 -5.7 90 1.4 -4.8 105 52 281.6 282.1 276.6 290.0 2.94 5 740 3066 -10.9 -12.1 91 1.2 -11.3 130 49 285.8 286.2 277.6 291.8 2.04 6 700 3492 -12.7 -14.4 87 1.7 -13.2 140 48 288.4 288.7 278.5 293.8 1.79 7 683 3594 -13.3 -15.2 86 1.9 -13.8 141 47 289.8 290.1 279.1 294.9 1.72 8 500 4980 -29.3 -32.7 72 3.4 -29.7 150 33 297.3 297.4 280.8 298.9 0.49 9 451 5711 -34.5 -38.1 70 3.6 -34.8 148 29 299.7 299.7 281.7 300.8 0.32 10 400 6540 -41.9 -45.7 66 3.8 -42.1 145 25 300.5 300.6 281.8 301.1 0.16 11 331 7790 -52.9 -57.4 58 4.5 -53.0 150 23 302.2 302.2 282.3 302.3 0.05 12 330 7810 -52.9 -57.4 58 4.5 -53.0 150 23 302.4 302.4 282.4 302.6 0.05 13 300 8430 -48.7 -53.3 59 4.6 -48.8 160 17 316.7 316.7 287.8 317.1 0.09 14 290 8651 -47.7 -52.3 59 4.6 -47.9 158 20 321.2 321.2 289.2 321.6 0.10 15 250 9620 -48.1 -53.0 57 4.9 -48.3 150 31 334.6 334.6 293.0 335.0 0.11 16 224 10343 -49.9 -54.6 58 4.7 -50.1 148 37 342.5 342.5 295.0 342.9 0.10 17 200 11090 -47.9 -52.9 56 5.0 -48.1 145 44 356.9 357.0 298.2 357.5 0.14 18 168 12242 -46.9 -51.9 57 5.0 -47.3 154 43 376.8 376.9 301.9 377.7 0.19 19 150 12990 -48.3 -54.3 50 6.0 -48.7 160 42 386.8 386.9 303.4 387.6 0.16 20 100 15640 -50.7 -56.7 49 6.0 -51.1 170 38 429.8 429.8 308.9 430.7 0.18 21 70 17960 -51.7 -57.7 49 6.0 -52.2 180 36 473.8 473.8 313.1 475.1 0.23 22 53 19756 -53.7 -59.7 48 6.0 -54.3 197 44 508.4 508.5 315.7 509.8 0.23 23 50 20130 -53.9 -60.9 42 7.0 -54.6 200 46 516.5 516.5 316.2 517.8 0.21 24 41 21410 -52.1 -59.7 39 7.7 -53.1 205 64 551.2 551.3 318.3 553.2 0.30 25 37 22076 -51.1 -59.1 38 8.0 -52.3 570.1 570.2 319.3 572.6 0.36 TRP 331 7790 -52.9 -57.4 58 4.5 -53.0 150 23 302.2 302.2 282.3 302.3 0.05 WND 41 21410 -52.1 -59.7 39 7.7 -53.1 205 64 551.2 551.3 318.3 553.2 0.30 Sounding variables and indices 1000-500 mb thick: 5288.00 m Freezing level: 937.05 mb = 213.24 m = 699.59 ft Wetbulb zero: Below ground Precipitable water: 0.38 inches Sfc-500 mean rel hum: 83.32 % Est. max temperature: 6.12 C = 43.01 F Sfc-Lift cond lev (LCL): 890.71 mb = 1075.07 m = 3527.11 ft T: -2.94 C 700-500 lapse rate: 11.16 C/km ThetaE index: 0.74 C Layer 925.0- 892.0 mb Conv cond level (CCL): 821.43 mb = 2254.09 m = 7395.23 ft Mean mixing ratio: 2.99 g/kg Conv temperature: 5.25 C = 41.44 F Cap Strength: 5.25 C Lifted Index: 8.59 C Risk: None Lifted Index @300 mb: 20.54 C Lifted Index @700 mb: 4.39 C Showalter Index: 6.95 C Risk: None Total Totals Index: 48.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.00 C Cross Totals Index: 23.60 C K Index: 17.60 Risk: < 20 % chance of thunderstorms Sweat Index: 137.00 Risk: None Energy Index: -0.49 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.48 J/kg Max Up Vert Vel: 7.28 m/s Conv Inhibition (B-): 38406.64 J/kg Cap Strength: 8.50 C Lift Cond Lev (LCL): 862.54 mb = 1702.17 m = 5584.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 162 at 31 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 ---------------------------------------------------------- 0 948 118 70 17 -16.0 -5.8 | 10 35 -6.4 -34.9 1 925 318 85 38 -37.9 -3.3 | 41 43 -28.2 -32.4 2 850 1988 105 52 -50.2 13.5 | 69 44 -40.6 -15.6 3 700 3492 140 48 -30.9 36.8 | 110 23 -21.2 7.7 4 500 4980 150 33 -16.5 28.6 | 86 7 -6.9 -0.5 5 400 6540 145 25 -14.3 20.5 | 29 10 -4.7 -8.6 6 331 7790 150 23 -11.5 19.9 | 12 9 -1.9 -9.2 7 300 8430 160 17 -5.8 16.0 | 344 14 3.8 -13.1 8 250 9620 150 31 -15.5 26.8 | 69 6 -5.9 -2.2 9 200 11090 145 44 -25.2 36.0 | 114 17 -15.6 7.0 10 150 12990 160 42 -14.4 39.5 | 155 11 -4.7 10.4 11 100 15640 170 38 -6.6 37.4 | 200 9 3.0 8.4 12 70 17960 180 36 0.0 36.0 | 234 12 9.6 6.9 13 50 20130 200 46 15.7 43.2 | 241 29 25.4 14.2 Wind Parameters Mean winds (0-6000m): 131.7 at 40.8 knts Storm direction: 161.7 at 30.6 knts Shear (0-3000m) pos: 7.5 neg: 0.0 tot: 7.5 10-3/s Storm rel Dir Shear (0-3000m): 86.5 deg Storm rel helicity (0-3000m) pos: 613.5 neg: 0.0 tot: 613.5 m^2/s^2 ave: 204.5 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 11.4 stream: 10.1 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 0.21 Bulk Shear: 125.99 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 83 32 34 39| 25.7 0.0 25.7|254.2 0.0 254.2 508.4 0.95| 26.5 25.2 1000 87 36 41 41| 15.5 0.0 15.5|324.1 0.0 324.1 324.1 0.96| 16.4 15.7 1500 91 39 46 41| 12.1 0.0 12.1|397.9 0.0 397.9 265.3 0.97| 13.2 12.7 2000 96 42 53 41| 10.2 0.0 10.2|477.6 0.0 477.6 238.8 0.96| 11.8 11.3 2500 103 45 61 39| 8.5 0.0 8.5|553.1 0.0 553.1 221.2 0.91| 11.6 10.6 3000 109 46 68 37| 7.5 0.0 7.5|613.5 0.0 613.5 204.5 0.89| 11.4 10.1 4000 122 46 81 30| 5.2 0.0 5.2|650.7 -3.1 647.6 161.9 0.79| 10.4 8.2 5000 129 43 86 24| 3.5 0.0 3.5|650.7 -14.3 636.4 127.3 0.65| 9.4 6.1 6000 132 41 85 21| 2.9 0.5 3.3|650.7 -24.2 626.5 104.4 0.56| 8.3 4.7 Wrote GIF file: /home/apache/climate/data/raob//UHMM/skewt/UHMM.skewt.20251205.12.gif