UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 3 DEC 25 Station: U9231 WMO ident: 29231 Latitude: 58.30 Longitude: 82.88 ------------------------------------------------------------------------------- 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 1004 78 -3.7 -7.0 78 3.3 -4.8 260 3 269.1 269.5 268.2 275.2 2.25 1 1000 109 -4.1 -7.2 79 3.1 -5.1 260 5 269.0 269.4 268.1 275.1 2.22 2 925 718 -8.1 -10.0 86 1.9 -8.7 260 7 271.0 271.3 268.9 276.4 1.93 3 870 1193 -11.5 -13.4 86 1.9 -12.0 267 10 272.3 272.5 269.1 276.7 1.56 4 850 1373 -8.5 -14.5 62 6.0 -10.1 270 11 277.2 277.5 272.0 281.4 1.46 5 842 1446 -7.1 -17.1 45 10.0 -9.6 270 12 279.5 279.7 272.9 282.9 1.19 6 783 2012 -7.1 -19.1 38 12.0 -10.1 272 16 285.3 285.5 275.9 288.6 1.08 7 700 2877 -11.3 -16.3 66 5.0 -12.6 275 23 290.0 290.2 278.9 294.6 1.53 8 689 2998 -12.1 -17.1 66 5.0 -13.4 275 24 290.4 290.7 279.0 294.8 1.45 9 516 5134 -27.1 -32.1 62 5.0 -27.8 270 34 297.3 297.4 280.9 299.0 0.50 10 500 5360 -27.7 -33.7 57 6.0 -28.5 270 35 299.3 299.3 281.7 300.7 0.44 11 453 6069 -32.1 -38.1 55 6.0 -32.7 270 38 302.3 302.4 282.7 303.4 0.32 12 400 6940 -40.1 -44.4 63 4.3 -40.4 270 42 302.9 302.9 282.8 303.5 0.18 13 341 8003 -49.5 -53.4 64 3.9 -49.6 270 45 304.2 304.2 283.2 304.5 0.08 14 300 8830 -54.7 270 48 308.2 15 250 9980 -62.5 270 54 313.1 16 220 10762 -65.8 265 64 319.7 17 211 11015 -66.9 269 60 321.8 18 200 11340 -64.1 275 54 331.2 19 197 11433 -63.1 275 54 334.3 20 150 13120 -60.7 280 48 365.5 21 143 13417 -60.1 281 48 371.6 22 100 15630 -62.3 290 46 407.4 23 94 16013 -62.3 290 46 414.6 24 70 17820 -66.5 290 46 442.1 25 50 19840 -71.3 295 48 475.5 26 30 22808 -78.3 531.2 TRP 220 10762 -67.1 265 64 317.7 WND 220 10762 -65.8 265 64 319.7 Sounding variables and indices 1000-500 mb thick: 5251.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 64.00 % Est. max temperature: 3.40 C = 38.12 F Sfc-Lift cond lev (LCL): 953.03 mb = 484.83 m = 1590.61 ft T: -6.57 C 700-500 lapse rate: 6.60 C/km ThetaE index: 0.16 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 898.36 mb = 944.43 m = 3098.49 ft Mean mixing ratio: 2.03 g/kg Conv temperature: -1.21 C = 29.82 F Cap Strength: 18.11 C Lifted Index: 19.51 C Risk: None Lifted Index @300 mb: 22.98 C Lifted Index @700 mb: 14.52 C Showalter Index: 15.11 C Risk: None Total Totals Index: 32.40 C Risk: None Vertical Totals Index: 19.20 C Cross Totals Index: 13.20 C K Index: -0.30 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 4.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.72 J/kg Max Up Vert Vel: 3.67 m/s Conv Inhibition (B-): 39056.52 J/kg Cap Strength: 18.84 C Lift Cond Lev (LCL): 917.27 mb = 783.05 m = 2569.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 301 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 1004 78 260 3 3.0 0.5 | 129 15 -11.4 9.3 1 1000 109 260 5 4.9 0.9 | 135 13 -9.5 9.6 2 925 718 260 7 6.9 1.2 | 143 12 -7.5 10.0 3 850 1373 270 11 11.0 -0.0 | 159 9 -3.4 8.7 4 700 2877 275 23 22.9 -2.0 | 232 11 8.5 6.7 5 500 5360 270 35 35.0 -0.0 | 247 22 20.6 8.7 6 400 6940 270 42 42.0 -0.0 | 252 29 27.6 8.7 7 300 8830 270 48 48.0 -0.0 | 255 35 33.6 8.7 8 250 9980 270 54 54.0 -0.0 | 258 41 39.6 8.7 9 220 10762 265 64 63.8 5.6 | 254 51 49.4 14.3 10 200 11340 275 54 53.8 -4.7 | 264 40 39.4 4.0 11 150 13120 280 48 47.3 -8.3 | 269 33 32.9 0.4 12 100 15630 290 46 43.2 -15.7 | 284 30 28.8 -7.0 13 70 17820 290 46 43.2 -15.7 | 284 30 28.8 -7.0 14 50 19840 295 48 43.5 -20.3 | 292 31 29.1 -11.5 Wind Parameters Mean winds (0-6000m): 271.3 at 22.4 knts Storm direction: 301.3 at 16.8 knts Shear (0-3000m) pos: 3.0 neg: 0.6 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 105.3 deg Storm rel helicity (0-3000m) pos: 48.8 neg: 0.0 tot: 48.8 m^2/s^2 ave: 16.3 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 37.95 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 ------------------------------------------------------------------------------- 500 260 6 138 13| 0.0 3.6 3.6| 10.4 0.0 10.4 20.8 0.82| 3.6 3.0 1000 261 7 141 12| 1.4 1.8 3.2| 16.8 0.0 16.8 16.8 0.78| 3.3 2.5 1500 265 8 146 11| 2.2 1.2 3.4| 24.1 0.0 24.1 16.0 0.79| 3.4 2.7 2000 267 10 153 10| 2.7 0.9 3.6| 32.9 0.0 32.9 16.4 0.84| 3.6 3.0 2500 270 11 162 9| 3.0 0.7 3.7| 41.8 0.0 41.8 16.7 0.87| 3.7 3.2 3000 271 13 172 9| 3.0 0.6 3.6| 48.8 0.0 48.8 16.3 0.85| 3.7 3.1 4000 272 16 194 8| 2.3 1.1 3.4| 56.0 0.0 56.0 14.0 0.77| 3.4 2.6 5000 272 20 213 10| 1.8 1.4 3.2| 61.8 0.0 61.8 12.4 0.68| 3.2 2.2 6000 271 22 224 12| 1.5 1.5 3.1| 70.5 0.0 70.5 11.8 0.63| 3.1 1.9 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251203.12.gif