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 U4122... Searching the city database file for: U4122 ... Date:1200Z 5 DEC 25 Station: U4122 WMO ident: 24122 ------------------------------------------------------------------------------- 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 85 SFC 982 211 -37.5 -44.5 48 7.0 -37.7 10 3 236.9 236.9 236.6 237.1 0.07 2 925 631 -30.3 -34.9 64 4.6 -30.6 25 7 248.3 248.4 247.6 248.9 0.21 3 889 915 -25.7 -29.5 70 3.8 -26.1 18 5 255.9 256.0 254.6 257.0 0.37 4 850 1239 -26.7 -30.2 72 3.5 -27.0 10 3 258.2 258.2 256.5 259.2 0.37 5 834 1376 -27.5 -31.0 72 3.5 -27.8 11 4 258.7 258.8 256.9 259.7 0.34 6 793 1743 -22.3 -24.8 80 2.5 -22.7 14 6 268.1 268.2 264.6 269.9 0.64 7 758 2075 -21.9 -29.9 48 8.0 -22.9 16 8 272.0 272.0 266.8 273.2 0.42 8 753 2124 -21.9 -29.9 48 8.0 -22.9 16 8 272.5 272.6 267.2 273.8 0.42 9 700 2657 -26.1 -33.1 52 7.0 -26.8 20 11 273.6 273.6 267.7 274.6 0.34 10 680 2865 -27.7 -34.7 51 7.0 -28.3 27 11 274.1 274.1 268.0 275.0 0.30 11 652 3164 -29.3 -33.8 65 4.5 -29.7 38 10 275.6 275.6 269.1 276.6 0.34 12 619 3531 -30.7 -36.7 56 6.0 -31.2 51 10 278.1 278.1 270.5 278.9 0.27 13 590 3867 -33.7 -41.7 44 8.0 -34.2 63 9 278.5 278.5 270.5 279.0 0.17 14 500 5000 -42.5 -49.5 46 7.0 -42.8 105 7 281.2 281.2 272.0 281.5 0.08 15 472 5389 -45.7 -52.7 45 7.0 -45.9 108 9 281.9 281.9 272.4 282.1 0.06 16 400 6480 -52.3 -59.3 43 7.0 -52.4 115 15 287.0 287.0 275.2 287.1 0.03 17 347 7390 -58.1 -64.1 46 6.0 -58.2 121 16 291.1 291.1 277.2 291.1 0.02 18 343 7462 -60.7 -67.7 39 7.0 -60.7 122 16 288.5 288.5 275.9 288.6 0.01 19 321 7873 -63.3 -70.3 38 7.0 -63.3 125 17 290.4 290.4 276.9 290.5 0.01 20 300 8290 -63.3 -70.3 38 7.0 -63.3 130 15 296.1 296.1 279.6 296.1 0.01 21 250 9420 -60.5 -69.5 30 9.0 -60.6 135 13 316.1 316.1 287.5 316.2 0.01 22 220 10216 -59.7 -69.7 26 10.0 -59.8 144 13 329.1 329.1 291.5 329.2 0.01 23 200 10810 -60.1 -72.1 19 12.0 -60.2 150 13 337.6 337.6 293.7 337.6 0.01 24 150 12600 -61.7 -78.7 9 17.0 -61.9 155 13 363.8 363.8 299.4 363.8 0.01 25 101 15020 -66.3 -84.3 6 18.0 -66.4 165 17 398.5 398.5 305.0 398.5 0.00 26 100 15080 -66.3 -84.3 6 18.0 -66.4 165 17 399.6 399.6 305.2 399.6 0.00 27 70 17230 -69.1 -89.1 4 20.0 -69.2 175 19 436.6 436.6 309.5 436.6 0.00 28 62 17957 -68.1 -88.1 4 20.0 -68.2 454.2 454.2 311.3 454.2 0.00 TRP 321 7873 -63.3 -70.3 38 7.0 -63.3 125 17 290.4 290.4 276.9 290.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 4915.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 56.69 % Est. max temperature: -15.31 C = 4.43 F Sfc-Lift cond lev (LCL): 868.77 mb = 1081.40 m = 3547.85 ft T: -26.21 C 700-500 lapse rate: 7.00 C/km Conv cond level (CCL): 982.00 mb = 210.75 m = 691.44 ft Mean mixing ratio: 0.22 g/kg Conv temperature: -34.16 C = -29.48 F Cap Strength: 26.58 C Lifted Index: 27.50 C Risk: None Lifted Index @300 mb: 34.30 C Lifted Index @700 mb: 23.51 C Showalter Index: 18.12 C Risk: None Total Totals Index: 28.10 C Risk: None Vertical Totals Index: 15.80 C Cross Totals Index: 12.30 C K Index: -21.40 Risk: None Sweat Index: 13.00 Risk: None Energy Index: 4.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 77.47 J/kg Max Up Vert Vel: 12.45 m/s Conv Inhibition (B-): 36132.00 J/kg Cap Strength: 27.43 C Lift Cond Lev (LCL): 874.86 mb = 1031.00 m = 3382.51 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 86 at 6 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 ---------------------------------------------------------- 0 982 211 10 3 -0.5 -3.0 | 295 6 5.6 -2.6 1 925 631 25 7 -3.0 -6.3 | 332 7 3.1 -6.0 2 850 1239 10 3 -0.5 -3.0 | 295 6 5.6 -2.6 3 700 2657 20 11 -3.8 -10.3 | 347 10 2.3 -10.0 4 500 5000 105 7 -6.8 1.8 | 163 2 -0.7 2.2 5 400 6480 115 15 -13.6 6.3 | 132 10 -7.5 6.7 6 321 7873 125 17 -13.9 9.8 | 142 13 -7.8 10.1 7 300 8290 130 15 -11.5 9.6 | 152 11 -5.4 10.0 8 250 9420 135 13 -9.2 9.2 | 162 10 -3.1 9.6 9 200 10810 150 13 -6.5 11.3 | 178 12 -0.4 11.6 10 150 12600 155 13 -5.5 11.8 | 183 12 0.6 12.2 11 100 15080 165 17 -4.4 16.4 | 186 17 1.7 16.8 12 70 17230 175 19 -1.7 18.9 | 193 20 4.4 19.3 Wind Parameters Mean winds (0-6000m): 56.4 at 8.1 knts Storm direction: 86.4 at 6.1 knts Shear (0-3000m) pos: 1.9 neg: 0.6 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 68.2 deg Storm rel helicity (0-3000m) pos: 26.1 neg: -6.4 tot: 19.8 m^2/s^2 ave: 6.6 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 3.3 stream: 1.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 24.48 Bulk Shear: 3.16 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 21 5 317 6| 3.7 0.0 3.7| 6.7 -0.6 6.0 12.1 0.83| 4.5 3.7 1000 21 5 315 6| 1.9 1.8 3.6| 6.7 -6.4 0.3 0.3 0.02| 4.0 0.1 1500 18 5 312 6| 2.1 1.2 3.2| 10.7 -6.4 4.3 2.9 0.24| 3.5 0.9 2000 18 5 317 6| 2.3 0.9 3.2| 15.6 -6.4 9.2 4.6 0.37| 3.4 1.3 2500 19 6 324 7| 2.3 0.7 3.1| 21.1 -6.4 14.7 5.9 0.45| 3.3 1.5 3000 22 7 330 7| 1.9 0.6 2.5| 26.1 -6.4 19.8 6.6 0.48| 3.3 1.6 4000 30 7 339 6| 1.2 0.4 1.7| 31.0 -6.4 24.6 6.2 0.52| 3.3 1.7 5000 38 8 346 6| 1.0 0.4 1.3| 32.8 -6.8 25.9 5.2 0.52| 3.1 1.7 6000 56 8 9 4| 1.3 0.3 1.6| 32.8 -8.5 24.3 4.1 0.41| 3.1 1.3 Wrote GIF file: /home/apache/climate/data/raob//U4122/skewt/U4122.skewt.20251205.12.gif