UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120600.upa.cvt Date: 0000Z 6 DEC 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 6 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 1019 80 -28.5 -31.9 73 3.4 -28.7 330 1 243.3 243.4 243.2 244.0 0.26 1 1000 215 -26.9 -29.4 79 2.5 -27.1 325 3 246.2 246.3 246.0 247.2 0.33 2 961 500 -23.3 -25.2 84 1.9 -23.5 325 9 252.7 252.8 252.2 254.1 0.51 3 925 776 -23.5 -25.5 84 2.0 -23.7 325 15 255.3 255.4 254.4 256.7 0.52 4 898 994 -24.3 -26.6 81 2.3 -24.5 323 17 256.6 256.7 255.4 258.0 0.48 5 850 1400 -22.3 -25.2 77 2.9 -22.7 320 21 262.8 262.9 260.6 264.4 0.58 6 807 1781 -21.7 -25.4 72 3.7 -22.2 319 25 267.4 267.5 264.0 269.1 0.60 7 700 2818 -25.5 -33.5 47 8.0 -26.3 315 35 274.2 274.3 268.2 275.2 0.32 8 672 3113 -26.9 -35.9 42 9.0 -27.7 314 38 275.9 275.9 269.1 276.7 0.27 9 560 4401 -36.1 -47.1 31 11.0 -36.6 312 49 279.8 279.8 271.2 280.1 0.10 10 500 5180 -40.3 -51.3 30 11.0 -40.7 310 56 283.9 283.9 273.5 284.1 0.07 11 400 6680 -49.1 -59.1 30 10.0 -49.3 305 68 291.2 291.2 277.3 291.3 0.03 12 300 8540 -54.9 -65.9 24 11.0 -55.1 305 79 308.0 308.0 284.6 308.0 0.02 13 287 8823 -55.6 -66.9 23 11.3 -55.7 305 81 311.0 311.0 285.7 311.0 0.02 14 262 9403 -56.9 -68.9 21 12.0 -57.1 310 79 317.2 317.2 287.8 317.2 0.01 15 250 9700 -56.5 -68.5 21 12.0 -56.6 310 75 322.1 322.1 289.4 322.1 0.02 16 200 11120 -56.1 -68.1 21 12.0 -56.3 310 71 343.9 343.9 295.3 344.0 0.02 17 166 12299 -55.9 -69.9 16 14.0 -56.2 310 65 363.1 363.1 299.3 363.2 0.02 18 150 12940 -56.7 -70.7 16 14.0 -56.9 310 62 372.4 372.4 301.0 372.5 0.02 19 100 15490 -60.3 -76.3 11 16.0 -60.6 300 56 411.2 411.2 306.7 411.3 0.01 20 92 16010 -60.9 -76.9 10 16.0 -61.2 300 56 420.0 420.0 307.7 420.0 0.01 21 70 17700 -64.1 -80.1 9 16.0 -64.3 300 58 447.3 447.3 310.6 447.3 0.01 22 50 19730 -68.5 -84.5 8 16.0 -68.7 290 60 482.1 482.1 313.6 482.1 0.01 23 30 22760 -73.3 -89.3 7 16.0 -73.5 290 62 544.8 544.8 317.8 544.8 0.00 24 25 23823 -74.9 -90.9 7 16.0 -75.0 569.4 569.4 319.1 569.4 0.00 TRP 262 9403 -56.9 -68.9 21 12.0 -57.1 310 79 317.2 317.2 287.8 317.2 0.01 WND 287 8823 -55.6 -66.9 23 11.3 -55.7 305 81 311.0 311.0 285.7 311.0 0.02 Sounding variables and indices 1000-500 mb thick: 4965.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 54.81 % Est. max temperature: -11.45 C = 11.38 F Sfc-Lift cond lev (LCL): 962.17 mb = 491.47 m = 1612.42 ft T: -23.41 C 700-500 lapse rate: 6.27 C/km ThetaE index: 0.00 C Layer 1019.0- 0.0 mb Conv cond level (CCL): 1000.00 mb = 215.00 m = 705.37 ft Mean mixing ratio: 0.44 g/kg Conv temperature: -25.11 C = -13.19 F Cap Strength: 23.73 C Lifted Index: 26.30 C Risk: None Lifted Index @300 mb: 39.77 C Lifted Index @700 mb: 20.45 C Showalter Index: 16.08 C Risk: None Total Totals Index: 33.10 C Risk: None Vertical Totals Index: 18.00 C Cross Totals Index: 15.10 C K Index: -15.20 Risk: None Sweat Index: 98.00 Risk: None Energy Index: 4.19 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 45.39 J/kg Max Up Vert Vel: 9.53 m/s Conv Inhibition (B-): 55563.48 J/kg Cap Strength: 26.01 C Lift Cond Lev (LCL): 936.37 mb = 687.74 m = 2256.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 343 at 27 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 1019 80 330 1 0.5 -0.9 | 163 26 -7.6 25.3 1 1000 215 325 3 1.7 -2.5 | 165 25 -6.4 23.7 2 925 776 325 15 8.6 -12.3 | 182 14 0.5 13.8 3 850 1400 320 21 13.5 -16.1 | 208 11 5.4 10.0 4 700 2818 315 35 24.7 -24.7 | 265 17 16.6 1.4 5 500 5180 310 56 42.9 -36.0 | 286 36 34.8 -9.9 6 400 6680 305 68 55.7 -39.0 | 285 49 47.6 -12.9 7 300 8540 305 79 64.7 -45.3 | 289 60 56.6 -19.2 8 287 8823 305 81 66.4 -46.5 | 289 62 58.2 -20.3 9 262 9403 310 79 60.5 -50.8 | 295 58 52.4 -24.7 10 250 9700 310 75 57.5 -48.2 | 294 54 49.3 -22.1 11 200 11120 310 71 54.4 -45.6 | 293 50 46.3 -19.5 12 150 12940 310 62 47.5 -39.9 | 289 42 39.4 -13.7 13 100 15490 300 56 48.5 -28.0 | 273 40 40.4 -1.9 14 70 17700 300 58 50.2 -29.0 | 274 42 42.1 -2.9 15 50 19730 290 60 56.4 -20.5 | 263 49 48.3 5.6 16 30 22760 290 62 58.3 -21.2 | 264 50 50.1 4.9 Wind Parameters Mean winds (0-6000m): 312.7 at 36.5 knts Storm direction: 342.7 at 27.3 knts Shear (0-3000m) pos: 0.0 neg: 6.2 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 106.8 deg Storm rel helicity (0-3000m) pos: 97.0 neg: 0.0 tot: 97.0 m^2/s^2 ave: 32.3 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 4.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.36 Bulk Shear: 127.63 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 ------------------------------------------------------------------------------- 500 325 6 167 22| 0.0 10.1 10.1| 22.1 0.0 22.1 44.2 0.40| 10.1 4.0 1000 324 10 173 18| 0.0 8.7 8.7| 40.0 0.0 40.0 40.0 0.51| 8.8 4.5 1500 322 14 180 15| 0.0 7.5 7.5| 54.8 0.0 54.8 36.5 0.61| 7.5 4.6 2000 321 16 189 14| 0.0 6.9 6.9| 69.4 0.0 69.4 34.7 0.68| 6.9 4.7 2500 319 19 201 12| 0.0 6.5 6.5| 83.6 0.0 83.6 33.5 0.70| 6.6 4.6 3000 318 22 213 12| 0.0 6.2 6.2| 97.0 0.0 97.0 32.3 0.69| 6.3 4.4 4000 316 27 236 12| 0.0 5.8 5.8|121.1 0.0 121.1 30.3 0.65| 5.9 3.8 5000 314 32 255 15| 0.0 5.6 5.6|141.1 0.0 141.1 28.2 0.58| 5.6 3.3 6000 313 36 266 19| 0.0 5.3 5.3|143.3 -1.7 141.6 23.6 0.51| 5.5 2.8 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251206.00.gif