UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121100.upa.cvt Date: 0000Z 11 DEC 25 Searching for U4908... Searching the city database file for: U4908 ... Date:0000Z 11 DEC 25 Station: U4908 WMO ident: 24908 Latitude: 60.33 Longitude: 102.27 ------------------------------------------------------------------------------- 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 138 SFC 984 259 -17.3 -19.8 81 2.5 -17.7 220 5 257.0 257.2 256.5 259.2 0.81 2 928 696 -20.1 -22.9 78 2.8 -20.5 239 32 258.5 258.6 257.3 260.3 0.65 3 925 720 -20.1 -22.9 78 2.8 -20.5 240 33 258.8 258.9 257.5 260.6 0.65 4 855 1305 -19.3 -21.8 81 2.5 -19.7 282 45 265.5 265.6 263.0 267.7 0.78 5 850 1349 -19.1 -21.6 81 2.5 -19.5 285 46 266.1 266.3 263.5 268.4 0.80 6 833 1500 -17.5 -19.9 82 2.4 -17.9 283 46 269.4 269.5 266.0 272.0 0.95 7 700 2785 -24.7 -27.4 78 2.7 -25.1 270 42 275.1 275.2 269.2 276.9 0.58 8 528 4784 -36.3 -39.2 74 2.9 -36.5 291 54 284.3 284.4 274.0 285.1 0.24 9 500 5160 -37.7 -40.6 74 2.9 -37.9 295 56 287.1 287.1 275.5 287.8 0.22 10 488 5327 -38.7 -41.6 74 2.9 -38.9 295 59 287.8 287.9 275.9 288.5 0.20 11 484 5383 -39.1 -42.0 74 2.9 -39.3 295 60 288.0 288.0 276.0 288.6 0.20 12 400 6660 -49.1 -52.0 72 2.9 -49.2 300 56 291.2 291.2 277.4 291.4 0.08 13 379 7011 -51.9 -54.8 71 2.9 -52.0 301 56 292.0 292.0 277.7 292.2 0.06 14 300 8490 -61.9 -64.8 68 2.9 -61.9 305 54 298.1 298.1 280.5 298.2 0.02 15 274 9050 -65.1 -68.0 67 2.9 -65.1 305 54 301.3 301.3 281.9 301.3 0.01 16 260 9371 -65.9 -68.8 67 2.9 -65.9 305 54 304.7 304.7 283.3 304.7 0.01 17 250 9610 -65.9 -68.8 67 2.9 -65.9 310 54 308.1 308.1 284.6 308.2 0.01 18 233 10035 -66.1 -69.0 67 2.9 -66.1 305 50 314.1 314.1 286.8 314.1 0.02 19 200 10960 -64.1 -67.1 67 3.0 -64.1 295 42 331.2 331.3 292.1 331.3 0.02 20 150 12720 -62.7 -65.8 66 3.1 -62.7 310 35 362.1 362.1 299.1 362.2 0.04 21 148 12803 -62.5 -65.6 66 3.1 -62.6 310 35 363.8 363.8 299.5 364.0 0.04 22 100 15210 -65.3 -68.4 65 3.1 -65.4 295 33 401.6 401.6 305.5 401.8 0.04 23 88 15989 -65.1 -68.3 64 3.2 -65.2 416.9 416.9 307.4 417.1 0.04 TRP 260 9371 -65.9 -68.8 67 2.9 -65.9 305 54 304.7 304.7 283.3 304.7 0.01 WND 484 5383 -39.1 -42.0 74 2.9 -39.3 295 60 288.0 288.0 276.0 288.6 0.20 Sounding variables and indices 1000-500 mb thick: 5022.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 77.91 % Est. max temperature: -5.22 C = 22.61 F Sfc-Lift cond lev (LCL): 944.60 mb = 563.75 m = 1849.54 ft T: -19.25 C 700-500 lapse rate: 5.47 C/km ThetaE index: 0.00 C Layer 984.0-635007559270400.0 mb Conv cond level (CCL): 690.59 mb = 2880.90 m = 9451.66 ft Mean mixing ratio: 0.71 g/kg Conv temperature: 1.16 C = 34.09 F Cap Strength: 19.52 C Lifted Index: 21.46 C Risk: None Lifted Index @300 mb: 26.29 C Lifted Index @700 mb: 13.31 C Showalter Index: 15.48 C Risk: None Total Totals Index: 34.70 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: 16.10 C K Index: -5.70 Risk: None Sweat Index: 148.00 Risk: None Energy Index: 4.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.33 J/kg Max Up Vert Vel: 6.53 m/s Conv Inhibition (B-): 23237.40 J/kg Cap Strength: 21.25 C Lift Cond Lev (LCL): 892.80 mb = 983.54 m = 3226.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 313 at 35 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 ---------------------------------------------------------- 0 984 259 220 5 3.2 3.8 | 141 35 -22.3 27.6 1 925 720 240 33 28.6 16.5 | 184 40 3.1 40.3 2 850 1349 285 46 44.4 -11.9 | 238 22 19.0 11.9 3 700 2785 270 42 42.0 -0.0 | 215 29 16.5 23.8 4 500 5160 295 56 50.8 -23.7 | 270 25 25.3 0.1 5 484 5383 295 60 54.4 -25.4 | 273 29 28.9 -1.6 6 400 6660 300 56 48.5 -28.0 | 280 23 23.0 -4.2 7 300 8490 305 54 44.2 -31.0 | 291 20 18.8 -7.2 8 260 9371 305 54 44.2 -31.0 | 291 20 18.8 -7.2 9 250 9610 310 54 41.4 -34.7 | 304 19 15.9 -10.9 10 200 10960 295 42 38.1 -17.7 | 244 14 12.6 6.0 11 150 12720 310 35 26.8 -22.5 | 226 2 1.3 1.3 12 100 15210 295 33 29.9 -13.9 | 204 11 4.4 9.8 Wind Parameters Mean winds (0-6000m): 283.1 at 46.5 knts Storm direction: 313.1 at 34.9 knts Shear (0-3000m) pos: 7.9 neg: 1.4 tot: 9.4 10-3/s Storm rel Dir Shear (0-3000m): 82.8 deg Storm rel helicity (0-3000m) pos: 548.5 neg: -67.5 tot: 481.0 m^2/s^2 ave: 160.3 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 13.5 stream: 8.8 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.13 Bulk Shear: 164.91 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 ------------------------------------------------------------------------------- 500 238 20 166 35| 30.1 0.0 30.1|298.7 0.0 298.7 597.5 0.99| 31.2 30.9 1000 255 30 185 32| 21.5 0.0 21.5|487.3 0.0 487.3 487.3 0.92| 29.2 26.8 1500 267 35 200 27| 14.6 0.0 14.6|516.1 -18.6 497.5 331.7 0.82| 22.5 18.4 2000 271 37 206 26| 11.0 1.1 12.1|516.1 -42.6 473.6 236.8 0.72| 18.0 12.9 2500 272 38 209 26| 8.8 1.7 10.5|516.1 -67.5 448.6 179.5 0.63| 15.2 9.6 3000 272 39 211 26| 7.9 1.4 9.4|548.5 -67.5 481.0 160.3 0.65| 13.5 8.8 4000 274 41 217 26| 6.9 1.1 8.0|620.8 -67.5 553.3 138.3 0.69| 11.5 7.9 5000 279 44 227 25| 6.5 0.9 7.3|694.6 -67.5 627.1 125.4 0.72| 10.4 7.5 6000 283 46 236 24| 5.4 0.7 6.1|717.2 -67.5 649.7 108.3 0.70| 9.2 6.5 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251211.00.gif