UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011500.upa.cvt Date: 0000Z 15 JAN 26 Searching for U3884... Searching the city database file for: U3884 ... Date:0000Z 15 JAN 26 Station: U3884 WMO ident: 23884 Latitude: 61.60 Longitude: 90.00 ------------------------------------------------------------------------------- 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 1035 -254 -42.5 -46.3 66 3.8 -42.6 0 0 228.4 228.4 228.3 228.5 0.06 1 1032 -234 -41.7 -45.7 65 4.0 -41.8 9 0 229.4 229.4 229.3 229.5 0.06 2 1030 -220 -39.5 -44.5 59 5.0 -39.6 15 1 231.7 231.7 231.6 231.9 0.07 3 1025 -186 -38.7 -43.7 59 5.0 -38.8 31 1 232.8 232.8 232.7 233.0 0.08 4 1019 -144 -35.3 -40.3 60 5.0 -35.5 50 2 236.6 236.6 236.4 236.9 0.11 5 1000 0 0.2 -45.8 2 46.0 -6.1 110 5 273.4 273.4 267.1 273.6 0.06 6 500 5130 -48.7 -55.7 44 7.0 -48.8 40 27 273.7 273.7 267.2 273.8 0.04 7 429 6123 -54.9 -61.9 42 7.0 -55.0 43 32 278.0 278.0 269.9 278.1 0.02 8 400 6570 -55.7 -62.7 41 7.0 -55.8 45 35 282.6 282.6 272.7 282.7 0.02 9 318 8024 -57.7 -63.7 46 6.0 -57.8 299.0 299.0 280.9 299.1 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 5130.00 m Freezing level: Surface below freezing Freezing level: 1000.11 mb = -0.81 m = -2.67 ft Freezing level: 997.96 mb = 20.98 m = 68.84 ft Wetbulb zero: Below ground Precipitable water: 0.01 inches Sfc-500 mean rel hum: 23.84 % Est. max temperature: 3.71 C = 38.67 F Sfc-Lift cond lev (LCL): 967.66 mb = 243.31 m = 798.26 ft T: -2.12 C 700-500 lapse rate: 9.53 C/km ThetaE index: 0.00 C Layer 1035.0--13503016538810089472.0 mb Conv cond level (CCL): 462.84 mb = 5630.91 m = 18473.89 ft Mean mixing ratio: 0.07 g/kg Conv temperature: 5.46 C = 41.83 F Cap Strength: 8.89 C Lifted Index: 8.00 C Risk: None Lifted Index @700 mb: 9.96 C Showalter Index: -0.56 C Risk: Thunderstorms probable Total Totals Index: 38.01 C Risk: None Vertical Totals Index: 37.43 C Cross Totals Index: 0.58 C K Index: -36.62 Risk: None Sweat Index: 47.32 Risk: None Energy Index: 0.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 195.01 J/kg Max Up Vert Vel: 19.75 m/s Conv Inhibition (B-): 3667.24 J/kg Cap Strength: 9.54 C Lift Cond Lev (LCL): 554.91 mb = 4358.81 m = 14300.37 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 74 at 14 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 1035 -254 0 0 -0.0 -0.0 | 254 14 13.4 3.8 1 1000 0 110 5 -4.7 1.7 | 238 10 8.7 5.5 2 925 852 70 15 -14.1 -5.1 | 27 1 -0.7 -1.3 3 850 1462 55 15 -12.3 -8.6 | 347 5 1.1 -4.8 4 700 2847 35 17 -9.8 -13.9 | 340 11 3.7 -10.1 5 500 5130 40 27 -17.4 -20.7 | 13 17 -3.9 -16.9 6 400 6570 45 35 -24.7 -24.7 | 28 24 -11.3 -20.9 Wind Parameters Mean winds (0-6000m): 44.2 at 18.6 knts Storm direction: 74.2 at 14.0 knts Shear (0-3000m) pos: 1.4 neg: 2.6 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 86.5 deg Storm rel helicity (0-3000m) pos: 3.7 neg: -19.1 tot: -15.4 m^2/s^2 ave: -5.1 10^-3 m/s^2 rel: -0.19 Storm rel vorticity (0-3000m) horiz: 5.0 stream: -1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.06 Bulk Shear: 38.52 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 ------------------------------------------------------------------------------- 500 106 4 243 11| 8.1 0.0 8.1| 3.7 -14.2 -10.4 -20.9 -0.43| 10.1 -4.4 1000 87 7 241 7| 4.1 3.7 7.8| 3.7 -15.9 -12.1 -12.1 -0.32| 8.8 -2.8 1500 74 10 254 4| 2.7 3.4 6.2| 3.7 -16.7 -12.9 -8.6 -0.19| 7.7 -1.5 2000 67 12 285 3| 2.0 3.0 5.0| 3.7 -17.3 -13.6 -6.8 -0.19| 6.5 -1.2 2500 61 12 312 3| 1.6 2.7 4.4| 3.7 -17.9 -14.2 -5.7 -0.19| 5.6 -1.1 3000 56 13 326 4| 1.4 2.6 3.9| 3.7 -19.1 -15.4 -5.1 -0.19| 5.0 -1.0 4000 49 15 338 6| 1.2 2.1 3.4| 14.1 -19.5 -5.3 -1.3 -0.07| 4.4 -0.3 5000 46 17 348 8| 1.4 1.7 3.1| 26.4 -19.5 7.0 1.4 0.02| 3.9 0.1 6000 44 19 357 10| 1.6 1.4 3.0| 43.2 -19.5 23.7 4.0 0.10| 3.7 0.4 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20260115.00.gif