UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112712.upa.cvt Date: 1200Z 27 NOV 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 27 NOV 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 ------------------------------------------------------------------------------- 0 1000 45 310 7 SFC 996 76 -12.5 -16.7 71 4.2 -13.3 310 7 260.9 261.1 260.0 263.8 1.04 2 925 635 -15.7 -18.6 78 2.9 -16.2 305 11 263.3 263.4 261.6 265.9 0.95 3 917 701 -16.3 -19.1 79 2.8 -16.8 304 11 263.3 263.4 261.6 265.8 0.92 4 850 1277 -14.9 -17.9 78 3.0 -15.5 300 13 270.5 270.7 267.1 273.6 1.10 5 841 1357 -15.1 -18.4 76 3.3 -15.7 299 13 271.2 271.3 267.5 274.2 1.06 6 743 2287 -18.5 -23.1 67 4.6 -19.3 293 19 277.2 277.4 270.9 279.6 0.80 7 700 2729 -21.5 -25.9 68 4.4 -22.2 290 21 278.7 278.8 271.5 280.7 0.66 8 527 4764 -33.5 -37.0 71 3.5 -33.8 303 31 287.8 287.9 276.0 288.8 0.30 9 500 5130 -36.5 -39.9 71 3.4 -36.7 305 33 288.5 288.6 276.3 289.3 0.24 10 400 6640 -47.1 -50.5 68 3.4 -47.2 310 35 293.8 293.8 278.7 294.1 0.09 11 380 6978 -49.5 -52.9 67 3.4 -49.6 310 36 295.0 295.0 279.2 295.2 0.07 12 300 8500 -56.9 -60.3 65 3.4 -56.9 310 42 305.1 305.1 283.5 305.3 0.04 13 250 9660 -57.5 -61.2 63 3.7 -57.6 305 44 320.6 320.6 289.0 320.7 0.04 14 200 11070 -56.3 -60.9 56 4.6 -56.4 300 50 343.6 343.6 295.3 343.8 0.05 15 150 12890 -58.1 -64.1 46 6.0 -58.2 295 50 370.0 370.0 300.6 370.2 0.05 16 100 15410 -62.9 -70.9 33 8.0 -63.0 290 48 406.2 406.2 306.0 406.3 0.03 17 93 15855 -62.9 291 49 414.7 18 70 17580 -67.7 295 52 439.5 19 50 19590 -70.9 295 56 476.4 20 30 22580 -76.5 300 60 536.1 21 25 23625 -78.3 305 62 559.7 22 23 24100 -79.1 570.8 TRP 300 8500 -56.9 -60.3 65 3.4 -56.9 310 42 305.1 305.1 283.5 305.3 0.04 WND 25 23625 -78.3 305 62 559.7 Sounding variables and indices 1000-500 mb thick: 5085.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 71.35 % Est. max temperature: -2.65 C = 27.23 F Sfc-Lift cond lev (LCL): 930.54 mb = 589.79 m = 1934.98 ft T: -15.44 C 700-500 lapse rate: 6.25 C/km ThetaE index: 0.04 C Layer 917.0- 850.0 mb Conv cond level (CCL): 699.83 mb = 2730.73 m = 8958.98 ft Mean mixing ratio: 0.98 g/kg Conv temperature: 5.21 C = 41.38 F Cap Strength: 18.86 C Lifted Index: 19.09 C Risk: None Lifted Index @300 mb: 28.16 C Lifted Index @700 mb: 12.82 C Showalter Index: 12.46 C Risk: None Total Totals Index: 40.20 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 18.60 C K Index: -0.70 Risk: None Sweat Index: 59.00 Risk: None Energy Index: 3.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.75 J/kg Max Up Vert Vel: 5.05 m/s Conv Inhibition (B-): 50049.32 J/kg Cap Strength: 19.04 C Lift Cond Lev (LCL): 894.74 mb = 887.48 m = 2911.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 330 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 ---------------------------------------------------------- 0 996 76 310 7 5.4 -4.5 | 164 11 -3.0 10.2 1 925 635 305 11 9.0 -6.3 | 185 8 0.7 8.4 2 850 1277 300 13 11.3 -6.5 | 200 9 2.9 8.2 3 700 2729 290 21 19.7 -7.2 | 237 14 11.4 7.5 4 500 5130 305 33 27.0 -18.9 | 283 19 18.7 -4.2 5 400 6640 310 35 26.8 -22.5 | 293 20 18.5 -7.8 6 300 8500 310 42 32.2 -27.0 | 297 27 23.8 -12.3 7 250 9660 305 44 36.0 -25.2 | 291 30 27.7 -10.5 8 200 11070 300 50 43.3 -25.0 | 286 36 35.0 -10.3 9 150 12890 295 50 45.3 -21.1 | 280 38 37.0 -6.4 10 100 15410 290 48 45.1 -16.4 | 273 37 36.8 -1.7 11 70 17580 295 52 47.1 -22.0 | 281 39 38.8 -7.3 12 50 19590 295 56 50.8 -23.7 | 282 43 42.4 -8.9 13 30 22580 300 60 52.0 -30.0 | 289 46 43.6 -15.3 Wind Parameters Mean winds (0-6000m): 300.5 at 22.6 knts Storm direction: 330.5 at 16.9 knts Shear (0-3000m) pos: 0.4 neg: 2.4 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 80.4 deg Storm rel helicity (0-3000m) pos: 38.1 neg: 0.0 tot: 38.1 m^2/s^2 ave: 12.7 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.50 Bulk Shear: 25.48 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 ------------------------------------------------------------------------------- 500 307 9 172 10| 0.0 3.7 3.7| 7.4 0.0 7.4 14.8 0.81| 3.7 3.0 1000 305 10 180 9| 0.0 2.9 2.9| 11.8 0.0 11.8 11.8 0.87| 2.9 2.5 1500 303 11 187 9| 0.0 2.7 2.7| 17.3 0.0 17.3 11.5 0.90| 2.8 2.5 2000 301 12 196 9| 0.0 2.8 2.8| 23.7 0.0 23.7 11.8 0.89| 2.8 2.5 2500 298 14 204 9| 0.0 2.8 2.8| 29.6 0.0 29.6 11.8 0.84| 2.9 2.4 3000 296 15 212 10| 0.4 2.4 2.8| 38.1 0.0 38.1 12.7 0.84| 2.9 2.4 4000 296 18 227 10| 1.0 1.8 2.8| 59.3 0.0 59.3 14.8 0.86| 2.9 2.5 5000 298 20 242 11| 1.4 1.4 2.8| 83.6 0.0 83.6 16.7 0.87| 2.9 2.5 6000 300 23 254 12| 1.4 1.2 2.6| 96.2 0.0 96.2 16.0 0.87| 2.7 2.3 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251127.12.gif