UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for X4858... Searching the city database file for: X4858 ... Date:1200Z 4 DEC 25 Station: X4858 WMO ident: 34858 Latitude: 45.92 Longitude: 43.35 ------------------------------------------------------------------------------- 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 1019 88 3.2 0.1 80 3.1 1.9 90 1 274.9 275.5 274.1 285.1 3.78 1 1000 239 0.0 -2.4 84 2.4 -0.9 55 44 273.1 273.7 272.2 281.9 3.20 2 981 393 0.6 -1.5 86 2.1 -0.2 19 42 275.3 275.8 273.9 284.8 3.49 3 925 863 -0.9 -2.4 90 1.5 -1.5 270 35 278.4 279.0 275.6 288.0 3.46 4 850 1537 -2.1 -4.0 87 1.9 -2.9 155 23 283.9 284.5 278.3 293.5 3.34 5 805 1968 -4.3 -6.0 88 1.7 -5.0 201 19 286.1 286.6 279.0 294.8 3.03 6 790 2116 -3.7 -5.3 89 1.6 -4.3 217 18 288.2 288.8 280.3 297.7 3.26 7 762 2404 1.8 -4.2 64 6.0 -0.9 248 15 297.2 297.8 284.7 308.2 3.67 8 748 2553 2.0 -8.0 47 10.0 -2.1 264 14 299.0 299.5 284.4 307.5 2.79 9 746 2575 -0.3 -16.3 29 16.0 -5.4 266 14 296.7 297.0 281.8 301.2 1.43 10 700 3081 -3.5 -19.5 28 16.0 -8.1 320 9 298.6 298.8 282.3 302.3 1.16 11 674 3379 -5.1 -21.1 27 16.0 -9.5 300.1 300.3 282.8 303.5 1.05 TRP WND Sounding variables and indices Freezing level: 958.60 mb = 580.84 m = 1905.62 ft Freezing level: 771.16 mb = 2309.65 m = 7577.48 ft Freezing level: 746.26 mb = 2572.11 m = 8438.58 ft Wetbulb zero: 1006.20 mb = 189.26 m = 620.92 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 69.98 % Est. max temperature: 10.86 C = 51.54 F Sfc-Lift cond lev (LCL): 971.22 mb = 472.91 m = 1551.51 ft T: 0.34 C ThetaE index: 7.01 C Layer 748.0- 700.0 mb Conv cond level (CCL): None Cap Strength: 16.80 C Lifted Index @700 mb: 15.23 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.96 J/kg Max Up Vert Vel: 6.32 m/s Conv Inhibition (B-): 876.27 J/kg Cap Strength: 16.00 C Lift Cond Lev (LCL): 937.25 mb = 757.73 m = 2485.96 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 226 at 18 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 1019 88 90 1 -1.0 0.0 | 48 19 -14.1 -12.5 1 1000 239 55 44 -36.0 -25.2 | 52 62 -49.1 -37.7 2 925 863 270 35 35.0 -0.0 | 300 25 21.9 -12.5 3 850 1537 155 23 -9.7 20.8 | 110 24 -22.8 8.4 4 700 3081 320 9 5.8 -6.9 | 21 21 -7.3 -19.4 Wind Parameters Mean winds (0-6000m): 196.3 at 24.1 knts Storm direction: 226.3 at 18.1 knts Shear (0-3000m) pos: 6.1 neg: 4.6 tot: 10.6 10-3/s Storm rel Dir Shear (0-3000m): -27.8 deg Storm rel helicity (0-3000m) pos: 89.4 neg: -1441.7 tot: -1352.3 m^2/s^2 ave: -466.3 10^-3 m/s^2 rel: -0.56 Storm rel vorticity (0-3000m) horiz: 41.8 stream: -23.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.04 Bulk Shear: 470.00 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 26 36 33 53| 0.0 40.6 40.6| 43.0-890.0-847.0 -1693.9 -0.56|101.6-57.2 1000 336 35 358 45| 0.0 16.4 16.4| 43.0-1309.1-1266.1 -1266.1 -0.67| 83.8-56.3 1500 289 33 323 29| 0.0 7.6 7.6| 43.0-1439.1-1396.1 -930.7 -0.72| 68.1-48.9 2000 220 30 210 12| 4.8 5.7 10.5| 64.6-1439.4-1374.8 -687.4 -0.63| 56.1-35.5 2500 222 27 212 9| 6.1 4.6 10.6| 67.2-1441.7-1374.6 -549.8 -0.61| 48.2-29.4 3000 NO DATA | 6.1 4.6 10.6| | 4000 NO DATA | 6.1 4.6 10.6| | 5000 NO DATA | 6.1 4.6 10.6| | 6000 NO DATA | 6.1 4.6 10.6| | Wrote GIF file: /home/apache/climate/data/raob//X4858/skewt/X4858.skewt.20251204.12.gif