UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121300.upa.cvt Date: 0000Z 13 DEC 25 Searching for U4343... Searching the city database file for: U4343 ... Date:0000Z 13 DEC 25 Station: U4343 WMO ident: 24343 Latitude: 66.77 Longitude: 123.40 ------------------------------------------------------------------------------- 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 1020 81 -44.1 -53.1 36 9.0 -44.2 10 1 227.8 227.8 227.6 227.8 0.03 1 1000 215 -41.1 -49.1 42 8.0 -41.2 35 11 232.1 232.1 231.9 232.2 0.04 2 932 704 -33.5 -40.5 49 7.0 -33.8 49 7 244.5 244.5 243.9 244.9 0.12 3 925 757 -33.5 -40.5 49 7.0 -33.8 50 7 245.1 245.1 244.5 245.4 0.12 4 856 1296 -29.9 -35.9 56 6.0 -30.3 100 7 254.3 254.3 252.9 254.9 0.21 5 850 1345 -29.9 -34.9 62 5.0 -30.2 105 7 254.8 254.9 253.4 255.5 0.23 6 780 1961 -29.9 -34.4 65 4.5 -30.2 112 11 261.2 261.2 258.6 261.9 0.27 7 776 1998 -29.9 -34.4 65 4.5 -30.2 112 11 261.5 261.6 258.9 262.3 0.27 8 773 2026 -29.9 -34.4 65 4.5 -30.2 112 11 261.8 261.9 259.2 262.6 0.27 9 769 2063 -30.1 -34.6 65 4.5 -30.4 113 11 262.0 262.1 259.3 262.8 0.26 10 700 2732 -33.3 -38.1 62 4.8 -33.6 120 15 265.6 265.6 261.9 266.2 0.20 11 562 4252 -39.9 -47.9 42 8.0 -40.2 117 28 275.0 275.1 268.2 275.3 0.09 12 544 4473 -41.5 -49.5 42 8.0 -41.8 116 30 275.7 275.7 268.6 276.0 0.08 13 500 5040 -45.3 -53.3 40 8.0 -45.5 115 35 277.8 277.8 269.9 278.0 0.05 14 400 6490 -54.9 -60.9 47 6.0 -55.0 120 38 283.6 283.6 273.3 283.7 0.03 15 397 6538 -55.5 -61.5 47 6.0 -55.6 283.5 283.5 273.2 283.6 0.02 16 351 7315 -59.9 -64.9 52 5.0 -59.9 287.7 287.7 275.5 287.8 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 4825.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.03 inches Sfc-500 mean rel hum: 52.48 % Est. max temperature: -19.37 C = -2.86 F Sfc-Lift cond lev (LCL): 867.09 mb = 1206.23 m = 3957.39 ft T: -30.50 C 700-500 lapse rate: 5.20 C/km Conv cond level (CCL): 434.18 mb = 5957.20 m = 19544.37 ft Mean mixing ratio: 0.08 g/kg Conv temperature: 10.00 C = 49.99 F Cap Strength: 31.90 C Lifted Index: 32.84 C Risk: None Lifted Index @700 mb: 25.22 C Showalter Index: 18.37 C Risk: None Total Totals Index: 25.80 C Risk: None Vertical Totals Index: 15.40 C Cross Totals Index: 10.40 C K Index: -24.30 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 4.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 43.49 J/kg Max Up Vert Vel: 9.33 m/s Conv Inhibition (B-): 7789.16 J/kg Cap Strength: 32.73 C Lift Cond Lev (LCL): 865.94 mb = 1215.46 m = 3987.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 143 at 15 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 1020 81 10 1 -0.2 -1.0 | 325 16 9.0 -13.0 1 1000 215 35 11 -6.3 -9.0 | 352 21 2.9 -21.1 2 925 757 50 7 -5.4 -4.5 | 347 17 3.8 -16.6 3 850 1345 105 7 -6.8 1.8 | 347 11 2.4 -10.2 4 700 2732 120 15 -13.0 7.5 | 40 6 -3.8 -4.6 5 500 5040 115 35 -31.7 14.8 | 97 23 -22.5 2.7 6 400 6490 120 38 -32.9 19.0 | 106 25 -23.7 6.9 Wind Parameters Mean winds (0-6000m): 112.6 at 20.2 knts Storm direction: 142.6 at 15.2 knts Shear (0-3000m) pos: 3.2 neg: 0.0 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 98.3 deg Storm rel helicity (0-3000m) pos: 63.7 neg: -8.9 tot: 54.8 m^2/s^2 ave: 18.3 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.84 Bulk Shear: 51.61 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 38 9 348 19| 7.7 0.0 7.7| 41.7 -4.2 37.5 75.0 0.62| 13.0 8.1 1000 47 8 349 18| 3.5 0.0 3.5| 44.8 -7.2 37.6 37.6 0.45| 9.1 4.1 1500 62 8 351 16| 2.9 0.0 2.9| 47.2 -8.9 38.3 25.5 0.38| 7.5 2.8 2000 77 8 355 14| 3.0 0.0 3.0| 52.6 -8.9 43.7 21.9 0.43| 6.4 2.7 2500 90 9 360 12| 3.0 0.0 3.0| 57.6 -8.9 48.7 19.5 0.48| 5.8 2.8 3000 98 10 5 11| 3.2 0.0 3.2| 63.7 -8.9 54.8 18.3 0.53| 5.5 2.9 4000 107 13 22 9| 2.4 1.1 3.5| 76.1 -8.9 67.2 16.8 0.53| 5.2 2.8 5000 111 17 47 9| 1.9 1.8 3.7| 86.5 -8.9 77.6 15.5 0.48| 5.1 2.4 6000 113 20 66 10| 1.8 1.5 3.2|103.1 -8.9 94.1 15.7 0.51| 4.5 2.3 Wrote GIF file: /home/apache/climate/data/raob//U4343/skewt/U4343.skewt.20251213.00.gif