UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for U5428... Searching the city database file for: U5428 ... Date:0000Z 1 DEC 25 Station: U5428 WMO ident: 25428 Latitude: 65.23 Longitude: 160.53 ------------------------------------------------------------------------------- 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 1000 0 0.2 -4.7 70 4.9 -1.6 0 0 273.4 273.8 271.6 280.7 2.69 1 850 1456 -13.3 -20.3 56 7.0 -14.7 50 5 272.2 272.4 267.9 274.8 0.89 2 844 1510 -13.3 -20.3 56 7.0 -14.7 45 5 272.8 272.9 268.2 275.4 0.90 3 715 2763 -18.9 -28.9 41 10.0 -20.4 276 7 279.9 279.9 271.9 281.4 0.49 4 700 2921 -19.1 -28.1 45 9.0 -20.5 260 7 281.3 281.4 272.9 283.0 0.54 5 645 3527 -20.1 -32.1 33 12.0 -21.7 237 7 286.9 286.9 275.7 288.1 0.40 6 632 3678 -21.1 -34.1 30 13.0 -22.7 231 6 287.4 287.5 275.9 288.5 0.34 7 566 4482 -26.3 -35.3 42 9.0 -27.3 200 6 290.5 290.5 277.4 291.6 0.33 8 500 5370 -30.1 -37.1 50 7.0 -30.8 165 5 296.3 296.4 280.2 297.4 0.32 9 432 6405 -32.9 -38.9 55 6.0 -33.4 305.4 305.5 284.0 306.5 0.30 TRP WND Sounding variables and indices 1000-500 mb thick: 5370.00 m Freezing level: 997.78 mb = 21.57 m = 70.77 ft Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 47.75 % Est. max temperature: -0.94 C = 30.31 F Sfc-Lift cond lev (LCL): 926.33 mb = 685.58 m = 2249.24 ft T: -6.16 C 700-500 lapse rate: 4.49 C/km ThetaE index: 5.95 C Layer 850.0- 844.0 mb Conv cond level (CCL): 850.00 mb = 1456.00 m = 4776.84 ft Mean mixing ratio: 2.16 g/kg Conv temperature: 2.87 C = 37.16 F Cap Strength: 10.59 C Lifted Index: 14.65 C Risk: None Lifted Index @700 mb: 4.38 C Showalter Index: 17.93 C Risk: None Total Totals Index: 26.60 C Risk: None Vertical Totals Index: 16.80 C Cross Totals Index: 9.80 C K Index: -12.50 Risk: None Sweat Index: 15.00 Risk: None Energy Index: 4.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.15 J/kg Max Up Vert Vel: 8.14 m/s Conv Inhibition (B-): 8.21 J/kg Cap Strength: 14.62 C Lift Cond Lev (LCL): 890.52 mb = 1038.77 m = 3408.01 ft Lev Free Conv (LFC): 885.52 mb = 1089.22 m = 3573.51 ft Equ Level (EL): 805.52 mb = 1862.49 m = 6110.44 ft B at Equ Level: 32.99 J/kg Max Parcel Lev (MPL): 735.52 mb = 2549.03 m = 8362.85 ft Wind level data Storm motion: 251 at 4 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 1013 0 0 0 -0.0 -0.0 | 71 4 -3.8 -1.3 1 998 128 0 0 -0.0 -0.0 | 71 4 -3.8 -1.3 2 925 820 105 5 -4.8 1.3 | 90 9 -8.6 -0.0 3 850 1456 50 5 -3.8 -3.2 | 59 9 -7.6 -4.5 4 700 2921 260 7 6.9 1.2 | 272 3 3.1 -0.1 5 500 5370 165 5 -1.3 4.8 | 125 6 -5.1 3.5 Wind Parameters Mean winds (0-6000m): 221.1 at 5.4 knts Storm direction: 251.1 at 4.0 knts Shear (0-3000m) pos: 0.9 neg: 2.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): -166.2 deg Storm rel helicity (0-3000m) pos: 7.1 neg: -36.0 tot: -28.9 m^2/s^2 ave: -9.6 10^-3 m/s^2 rel: -0.60 Storm rel vorticity (0-3000m) horiz: 4.7 stream: -2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.18 Bulk Shear: 6.40 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 56 1 68 5| 2.8 0.0 2.8| 0.7 -0.9 -0.1 -0.3 -0.10| 3.1 -0.3 1000 102 3 83 6| 2.6 0.0 2.6| 7.1 -3.3 3.8 3.8 0.22| 4.0 0.9 1500 85 4 78 8| 1.7 1.3 3.0| 7.1 -12.4 -5.2 -3.5 -0.18| 4.0 -0.7 2000 63 4 67 8| 1.3 2.0 3.3| 7.1 -22.9 -15.7 -7.9 -0.41| 4.3 -1.7 2500 43 4 56 8| 1.0 2.3 3.3| 7.1 -31.0 -23.9 -9.6 -0.52| 4.5 -2.4 3000 42 5 55 9| 0.9 2.0 2.9| 7.1 -36.0 -28.9 -9.6 -0.60| 4.7 -2.8 4000 249 5 242 1| 0.6 1.3 1.9| 7.1 -39.3 -32.2 -8.0 -0.65| 4.1 -2.7 5000 226 5 181 2| 0.5 0.7 1.3| 7.1 -43.3 -36.2 -7.2 -0.67| 3.7 -2.5 6000 NO DATA | 0.5 0.7 1.3| | Wrote GIF file: /home/apache/climate/data/raob//U5428/skewt/U5428.skewt.20251201.00.gif