UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121212.upa.cvt Date: 1200Z 12 DEC 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 12 DEC 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 -36 SFC 984 90 -6.3 -8.0 88 1.7 -6.8 165 1 268.1 268.4 267.3 273.8 2.12 2 925 573 -7.5 -9.8 84 2.3 -8.2 220 11 271.6 272.0 269.3 277.1 1.96 3 911 692 -7.9 -10.1 84 2.2 -8.5 223 11 272.4 272.7 269.8 277.8 1.94 4 850 1233 -5.3 -7.1 87 1.8 -5.9 235 11 280.6 281.0 275.6 288.1 2.64 5 844 1289 -5.3 -6.9 88 1.6 -5.8 234 11 281.2 281.6 276.0 288.8 2.70 6 731 2408 -9.5 -11.7 84 2.2 -10.2 219 16 288.4 288.7 278.9 294.7 2.13 7 700 2742 -11.5 -13.9 82 2.4 -12.2 215 17 289.7 290.1 279.3 295.3 1.86 8 500 5240 -27.5 -30.6 75 3.1 -27.9 230 35 299.5 299.6 282.0 301.5 0.60 9 445 6068 -32.3 -35.3 75 3.0 -32.6 235 47 303.6 303.7 283.4 305.1 0.43 10 400 6810 -37.7 -40.8 73 3.1 -37.9 240 58 306.0 306.0 284.2 306.9 0.27 11 369 7359 -42.7 -45.9 71 3.2 -42.9 240 65 306.5 306.5 284.2 307.1 0.17 12 329 8126 -46.9 -49.9 71 3.0 -47.0 240 75 310.9 311.0 285.8 311.4 0.12 13 300 8730 -51.5 -54.6 69 3.1 -51.6 240 83 312.8 312.8 286.4 313.1 0.08 14 290 8949 -54.3 -57.7 66 3.4 -54.4 241 87 311.8 311.8 286.1 312.0 0.05 15 250 9890 -59.5 -63.0 64 3.5 -59.6 245 104 317.6 317.6 288.0 317.7 0.03 16 229 10435 -62.9 -66.4 62 3.5 -62.9 245 108 320.5 320.5 288.9 320.6 0.02 17 223 10598 -63.9 -67.4 62 3.5 -63.9 245 104 321.4 321.4 289.2 321.5 0.02 18 214 10852 -62.5 -65.9 63 3.4 -62.6 247 92 327.4 327.4 291.0 327.5 0.03 19 200 11270 -62.1 -65.4 64 3.3 -62.1 250 73 334.4 334.4 292.9 334.5 0.03 20 167 12386 -60.3 -63.9 63 3.6 -60.4 253 56 355.1 355.1 297.8 355.3 0.04 21 150 13050 -62.9 -66.5 62 3.6 -63.0 255 46 361.7 361.7 299.1 361.9 0.03 22 120 14416 -66.7 -70.2 61 3.5 -66.7 261 47 378.6 378.6 302.1 378.7 0.02 23 116 14621 -66.9 -70.5 60 3.6 -67.0 261 47 381.9 381.9 302.6 382.0 0.02 24 100 15520 -66.9 -70.6 59 3.7 -67.0 265 48 398.5 398.5 305.0 398.6 0.03 25 87 16359 -65.9 -69.7 59 3.8 -66.0 273 43 416.7 416.7 307.3 416.9 0.04 26 70 17660 -70.3 -74.3 56 4.0 -70.4 285 35 434.0 434.0 309.3 434.1 0.02 27 50 19650 -72.5 -76.6 54 4.1 -72.6 290 35 472.6 472.7 312.8 472.8 0.02 28 45 20266 -74.7 -78.9 52 4.2 -74.7 481.8 481.8 313.6 481.9 0.02 TRP 223 10598 -63.9 -67.4 62 3.5 -63.9 245 104 321.4 321.4 289.2 321.5 0.02 WND 229 10435 -62.9 -66.4 62 3.5 -62.9 245 108 320.5 320.5 288.9 320.6 0.02 Sounding variables and indices 1000-500 mb thick: 5276.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.38 inches Sfc-500 mean rel hum: 82.08 % Est. max temperature: 7.31 C = 45.16 F Sfc-Lift cond lev (LCL): 957.66 mb = 302.04 m = 990.94 ft T: -6.83 C 700-500 lapse rate: 6.41 C/km Conv cond level (CCL): 674.51 mb = 3017.37 m = 9899.38 ft Mean mixing ratio: 2.04 g/kg Conv temperature: 16.38 C = 61.48 F Cap Strength: 13.44 C Lifted Index: 18.77 C Risk: None Lifted Index @300 mb: 25.36 C Lifted Index @700 mb: 13.44 C Showalter Index: 10.16 C Risk: None Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 20.40 C K Index: 12.70 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 2.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.92 J/kg Max Up Vert Vel: 7.34 m/s Conv Inhibition (B-): 31745.31 J/kg Cap Strength: 18.74 C Lift Cond Lev (LCL): 902.12 mb = 768.13 m = 2520.07 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 257 at 17 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 90 165 1 -0.3 1.0 | 80 17 -16.4 -2.8 1 925 573 220 11 7.1 8.4 | 117 10 -9.1 4.7 2 850 1233 235 11 9.0 6.3 | 110 8 -7.1 2.5 3 700 2742 215 17 9.8 13.9 | 148 12 -6.4 10.2 4 500 5240 230 35 26.8 22.5 | 210 22 10.7 18.7 5 400 6810 240 58 50.2 29.0 | 233 42 34.1 25.2 6 300 8730 240 83 71.9 41.5 | 236 67 55.7 37.7 7 250 9890 245 104 94.3 44.0 | 243 88 78.1 40.2 8 229 10435 245 108 97.9 45.6 | 243 92 81.7 41.9 9 223 10598 245 104 94.3 44.0 | 243 88 78.1 40.2 10 200 11270 250 73 68.6 25.0 | 248 57 52.5 21.2 11 150 13050 255 46 44.4 11.9 | 254 29 28.3 8.1 12 100 15520 265 48 47.8 4.2 | 269 32 31.7 0.4 13 70 17660 285 35 33.8 -9.1 | 306 22 17.7 -12.8 14 50 19650 290 35 32.9 -12.0 | 313 23 16.7 -15.7 Wind Parameters Mean winds (0-6000m): 226.9 at 22.1 knts Storm direction: 256.9 at 16.6 knts Shear (0-3000m) pos: 2.3 neg: 1.1 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 79.3 deg Storm rel helicity (0-3000m) pos: 56.7 neg: -2.3 tot: 54.4 m^2/s^2 ave: 18.1 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 2.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.79 Bulk Shear: 34.21 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 ------------------------------------------------------------------------------- 500 216 6 96 13| 10.8 0.0 10.8| 35.3 0.0 35.3 70.7 0.78| 12.1 9.5 1000 223 9 104 11| 5.5 0.0 5.5| 35.3 -1.9 33.5 33.5 0.60| 7.2 4.3 1500 227 10 107 10| 3.7 0.5 4.1| 38.6 -2.3 36.2 24.1 0.61| 5.5 3.4 2000 226 10 112 9| 2.7 1.0 3.7| 43.3 -2.3 40.9 20.5 0.64| 4.8 3.1 2500 224 11 119 9| 2.2 1.3 3.5| 47.5 -2.3 45.1 18.1 0.63| 4.4 2.8 3000 222 12 125 10| 2.3 1.1 3.4| 56.7 -2.3 54.4 18.1 0.66| 4.2 2.8 4000 222 15 141 10| 2.7 0.8 3.5| 82.0 -2.3 79.7 19.9 0.72| 4.1 3.0 5000 224 18 160 10| 3.0 0.7 3.6|111.8 -2.3 109.5 21.9 0.73| 4.1 3.0 6000 227 22 180 11| 3.7 0.5 4.2|166.4 -2.3 164.1 27.3 0.68| 4.7 3.2 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251212.12.gif