UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for U4122... Searching the city database file for: U4122 ... Date:0000Z 8 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 151 360 5 SFC 992 206 -33.9 -38.5 63 4.6 -34.1 360 5 239.8 239.8 239.6 240.2 0.14 2 925 699 -24.9 -28.2 74 3.3 -25.2 5 11 253.8 253.9 252.9 255.0 0.40 3 904 869 -21.7 -24.2 80 2.5 -22.0 2 11 258.8 258.9 257.5 260.5 0.60 4 870 1155 -21.1 -23.4 82 2.3 -21.4 358 11 262.3 262.4 260.3 264.2 0.67 5 850 1329 -21.9 -24.2 82 2.3 -22.2 355 11 263.2 263.3 261.0 265.0 0.63 6 783 1929 -25.1 -27.9 77 2.8 -25.4 3 8 266.0 266.1 262.8 267.4 0.49 7 700 2732 -31.3 -34.3 75 3.0 -31.5 15 5 267.8 267.9 263.7 268.7 0.30 8 683 2905 -32.7 -35.6 75 2.9 -32.9 14 5 268.2 268.2 263.9 269.0 0.27 9 655 3198 -33.9 -36.8 75 2.9 -34.1 13 6 270.0 270.1 265.2 270.8 0.25 10 607 3726 -36.3 -39.5 72 3.2 -36.5 11 7 273.2 273.2 267.3 273.8 0.20 11 515 4849 -41.9 -46.0 64 4.1 -42.1 6 9 279.6 279.6 271.1 280.0 0.12 12 400 6510 -54.3 -59.3 54 5.0 -54.4 350 15 284.4 284.4 273.8 284.5 0.03 13 380 6836 -55.7 -60.7 54 5.0 -55.8 2 13 286.8 286.8 275.0 286.9 0.03 14 300 8310 -62.7 -69.7 38 7.0 -62.7 55 5 297.0 297.0 280.0 297.0 0.01 15 280 8734 -65.3 -73.3 32 8.0 -65.3 120 3 299.1 299.1 281.0 299.2 0.01 16 250 9430 -62.5 -72.5 25 10.0 -62.6 105 5 313.1 313.2 286.5 313.2 0.01 17 241 9656 -61.9 -72.9 22 11.0 -62.0 107 5 317.4 317.4 287.9 317.4 0.01 18 200 10810 -61.7 -73.7 19 12.0 -61.8 120 5 335.1 335.1 293.1 335.1 0.01 19 150 12590 -62.3 -78.3 10 16.0 -62.4 150 7 362.8 362.8 299.2 362.8 0.01 20 103 14899 -64.3 -80.3 9 16.0 -64.4 178 18 400.1 400.1 305.2 400.1 0.01 21 100 15080 -64.3 -80.3 9 16.0 -64.4 180 19 403.5 403.5 305.7 403.5 0.01 22 70 17260 -66.1 -82.1 9 16.0 -66.3 195 23 443.0 443.0 310.2 443.0 0.01 23 54 18824 -68.7 -83.7 10 15.0 -68.9 471.1 471.1 312.7 471.1 0.01 TRP 280 8734 -65.3 -73.3 32 8.0 -65.3 120 3 299.1 299.1 281.0 299.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 4892.45 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 73.42 % Est. max temperature: -10.23 C = 13.59 F Sfc-Lift cond lev (LCL): 916.60 mb = 766.66 m = 2515.25 ft T: -23.63 C 700-500 lapse rate: 5.21 C/km ThetaE index: 0.00 C Layer 992.0- -0.0 mb Conv cond level (CCL): 992.00 mb = 206.48 m = 677.43 ft Mean mixing ratio: 0.36 g/kg Conv temperature: -28.60 C = -19.48 F Cap Strength: 23.30 C Lifted Index: 23.60 C Risk: None Lifted Index @300 mb: 32.26 C Lifted Index @700 mb: 15.03 C Showalter Index: 12.59 C Risk: None Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 21.45 C Cross Totals Index: 19.15 C K Index: -5.75 Risk: None Sweat Index: 31.39 Risk: None Energy Index: 3.20 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 72.54 J/kg Max Up Vert Vel: 12.04 m/s Conv Inhibition (B-): 36670.45 J/kg Cap Strength: 23.46 C Lift Cond Lev (LCL): 907.53 mb = 840.39 m = 2757.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 33 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 ---------------------------------------------------------- 0 992 206 360 5 -0.0 -5.0 | 263 4 3.5 0.4 1 925 699 5 11 -1.0 -11.0 | 336 6 2.5 -5.5 2 850 1329 355 11 1.0 -11.0 | 321 7 4.4 -5.5 3 700 2732 15 5 -1.3 -4.8 | 255 2 2.2 0.6 4 500 5060 5 9 -0.8 -9.0 | 323 4 2.7 -3.5 5 400 6510 350 15 2.6 -14.8 | 327 11 6.1 -9.4 6 300 8310 55 5 -4.1 -2.9 | 166 3 -0.6 2.5 7 280 8734 120 3 -2.6 1.5 | 187 7 0.9 6.9 8 250 9430 105 5 -4.8 1.3 | 169 7 -1.4 6.7 9 200 10810 120 5 -4.3 2.5 | 174 8 -0.9 7.9 10 150 12590 150 7 -3.5 6.1 | 180 11 -0.0 11.5 11 100 15080 180 19 0.0 19.0 | 188 25 3.5 24.4 12 70 17260 195 23 6.0 22.2 | 199 29 9.4 27.6 Wind Parameters Mean winds (0-6000m): 2.7 at 8.6 knts Storm direction: 32.7 at 6.4 knts Shear (0-3000m) pos: 0.5 neg: 0.3 tot: 0.8 10-3/s Storm rel Dir Shear (0-3000m): 13.4 deg Storm rel helicity (0-3000m) pos: 6.0 neg: -5.4 tot: 0.6 m^2/s^2 ave: 0.2 10^-3 m/s^2 rel: 0.07 Storm rel vorticity (0-3000m) horiz: 2.6 stream: 0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1803.26 Bulk Shear: 0.04 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 3 8 311 4| 6.2 0.0 6.2| 5.6 0.0 5.6 11.2 0.85| 6.2 5.3 1000 2 9 322 5| 3.1 0.8 3.9| 5.6 -2.2 3.4 3.4 0.51| 3.9 2.0 1500 0 10 322 6| 1.6 0.5 2.1| 5.6 -3.1 2.5 1.7 0.34| 3.3 1.1 2000 1 9 320 5| 0.8 0.4 1.2| 5.6 -4.1 1.5 0.7 0.19| 3.1 0.6 2500 1 9 316 5| 0.6 0.3 0.9| 5.6 -5.4 0.2 0.1 0.02| 3.0 0.1 3000 2 8 312 4| 0.5 0.3 0.8| 6.0 -5.4 0.6 0.2 0.07| 2.6 0.2 4000 4 8 309 4| 0.4 0.4 0.8| 7.0 -5.4 1.6 0.4 0.15| 2.2 0.3 5000 4 8 311 4| 0.3 0.5 0.8| 8.0 -5.4 2.6 0.5 0.18| 2.0 0.4 6000 3 9 316 4| 0.2 0.8 1.1| 8.6 -5.6 2.9 0.5 0.16| 2.0 0.3 Wrote GIF file: /home/apache/climate/data/raob//U4122/skewt/U4122.skewt.20251208.00.gif