UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120500.upa.cvt Date: 0000Z 5 DEC 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 5 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 ------------------------------------------------------------------------------- 0 1000 26 230 3 SFC 994 73 -6.1 -8.5 83 2.4 -6.8 230 3 267.5 267.8 266.7 273.0 2.02 2 941 500 -7.9 -10.0 85 2.1 -8.5 230 5 269.9 270.2 268.1 275.1 1.90 3 925 633 -6.7 -8.7 86 2.0 -7.3 230 5 272.5 272.8 270.1 278.4 2.14 4 850 1288 -10.5 -13.0 82 2.5 -11.2 250 13 275.1 275.4 271.0 279.8 1.65 5 700 2749 -20.9 -23.7 78 2.8 -21.4 255 19 279.3 279.5 272.2 281.7 0.81 6 623 3601 -27.3 -30.1 77 2.8 -27.6 260 21 281.5 281.6 272.9 283.0 0.50 7 545 4557 -32.3 -35.1 76 2.8 -32.6 266 23 286.5 286.6 275.5 287.6 0.35 8 500 5160 -36.9 -39.8 74 2.9 -37.1 270 25 288.0 288.1 276.0 288.8 0.24 9 442 5996 -44.3 -47.4 71 3.1 -44.4 267 31 289.0 289.1 276.4 289.5 0.12 10 400 6660 -46.5 -49.6 71 3.1 -46.6 265 35 294.6 294.6 279.0 294.9 0.10 11 336 7803 -53.3 -57.6 59 4.3 -53.4 265 39 300.3 300.3 281.5 300.5 0.05 12 300 8530 -55.9 -60.2 58 4.3 -56.0 265 42 306.6 306.6 284.1 306.7 0.04 13 276 9061 -57.7 -62.5 54 4.8 -57.8 270 46 311.3 311.4 285.8 311.5 0.03 14 250 9690 -56.5 -61.5 53 5.0 -56.6 280 48 322.1 322.1 289.4 322.2 0.04 15 238 10000 -55.7 -60.7 54 5.0 -55.8 282 48 327.8 327.8 291.2 328.0 0.05 16 200 11100 -54.9 -60.9 47 6.0 -55.1 290 50 345.8 345.8 295.7 346.1 0.05 17 171 12103 -54.3 -61.3 42 7.0 -54.5 293 49 362.7 362.7 299.2 362.9 0.06 18 150 12940 -55.7 -63.7 36 8.0 -55.9 295 48 374.1 374.1 301.3 374.3 0.05 19 100 15490 -59.9 -69.9 26 10.0 -60.1 295 46 412.0 412.0 306.7 412.2 0.03 20 94 15876 -61.3 -71.3 25 10.0 -61.5 294 46 416.6 416.6 307.3 416.7 0.03 21 70 17690 -65.3 -76.3 20 11.0 -65.5 290 44 444.7 444.7 310.4 444.8 0.02 22 62 18422 -68.9 -79.9 19 11.0 -69.0 452.4 452.4 311.1 452.5 0.01 TRP 276 9061 -57.7 -62.5 54 4.8 -57.8 270 46 311.3 311.4 285.8 311.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5134.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 79.22 % Est. max temperature: 1.68 C = 35.03 F Sfc-Lift cond lev (LCL): 956.76 mb = 370.31 m = 1214.90 ft T: -7.35 C 700-500 lapse rate: 6.64 C/km ThetaE index: 0.00 C Layer 994.0- -0.0 mb Conv cond level (CCL): 846.19 mb = 1321.79 m = 4336.54 ft Mean mixing ratio: 1.99 g/kg Conv temperature: 1.63 C = 34.93 F Cap Strength: 9.34 C Lifted Index: 10.19 C Risk: None Lifted Index @300 mb: 21.72 C Lifted Index @700 mb: 4.86 C Showalter Index: 7.14 C Risk: None Total Totals Index: 50.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.40 C Cross Totals Index: 23.90 C K Index: 10.60 Risk: None Sweat Index: 77.00 Risk: None Energy Index: 1.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.85 J/kg Max Up Vert Vel: 7.46 m/s Conv Inhibition (B-): 26031.16 J/kg Cap Strength: 10.23 C Lift Cond Lev (LCL): 910.35 mb = 756.69 m = 2482.55 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 at 14 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 ---------------------------------------------------------- 0 994 73 230 3 2.3 1.9 | 123 13 -10.7 6.9 1 925 633 230 5 3.8 3.2 | 132 12 -9.2 8.2 2 850 1288 250 13 12.2 4.4 | 175 9 -0.8 9.4 3 700 2749 255 19 18.4 4.9 | 208 11 5.3 9.9 4 500 5160 270 25 25.0 -0.0 | 247 13 12.0 5.0 5 400 6660 265 35 34.9 3.1 | 250 23 21.8 8.0 6 300 8530 265 42 41.8 3.7 | 253 30 28.8 8.7 7 276 9061 270 46 46.0 -0.0 | 261 33 33.0 5.0 8 250 9690 280 48 47.3 -8.3 | 276 34 34.2 -3.3 9 200 11100 290 50 47.0 -17.1 | 290 36 34.0 -12.1 10 150 12940 295 48 43.5 -20.3 | 297 34 30.5 -15.3 11 100 15490 295 46 41.7 -19.4 | 297 32 28.7 -14.4 12 70 17690 290 44 41.3 -15.0 | 290 30 28.3 -10.1 Wind Parameters Mean winds (0-6000m): 261.0 at 18.6 knts Storm direction: 291.0 at 14.0 knts Shear (0-3000m) pos: 2.7 neg: 0.3 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 90.8 deg Storm rel helicity (0-3000m) pos: 48.6 neg: 0.0 tot: 48.6 m^2/s^2 ave: 16.2 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.89 Bulk Shear: 31.38 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 ------------------------------------------------------------------------------- 500 230 4 127 13| 0.0 1.8 1.8| 5.8 0.0 5.8 11.5 0.97| 1.8 1.8 1000 235 6 134 12| 3.0 0.9 3.9| 22.3 0.0 22.3 22.3 0.95| 3.9 3.7 1500 244 8 145 10| 3.4 0.6 4.0| 32.7 0.0 32.7 21.8 0.95| 4.1 3.9 2000 247 10 155 10| 3.1 0.5 3.5| 38.0 0.0 38.0 19.0 0.96| 3.6 3.4 2500 249 11 165 9| 2.9 0.4 3.3| 43.5 0.0 43.5 17.4 0.95| 3.3 3.1 3000 251 13 173 9| 2.7 0.3 3.0| 48.6 0.0 48.6 16.2 0.95| 3.1 2.9 4000 254 15 187 9| 2.4 0.2 2.6| 58.8 0.0 58.8 14.7 0.96| 2.7 2.6 5000 258 17 201 9| 2.2 0.2 2.4| 70.0 0.0 70.0 14.0 0.96| 2.5 2.4 6000 261 19 214 10| 1.8 0.7 2.5| 73.6 0.0 73.6 12.3 0.79| 2.7 2.1 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251205.00.gif