UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for U4908... Searching the city database file for: U4908 ... Date:0000Z 10 DEC 25 Station: U4908 WMO ident: 24908 Latitude: 60.33 Longitude: 102.27 ------------------------------------------------------------------------------- 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 205 210 5 SFC 992 263 -27.5 -30.4 76 2.9 -27.7 210 5 246.2 246.3 246.0 247.0 0.31 2 951 565 -29.3 -33.6 66 4.3 -29.6 249 22 247.4 247.4 246.9 248.0 0.24 3 939 656 -28.3 -32.5 67 4.2 -28.6 261 27 249.3 249.3 248.6 250.0 0.27 4 925 764 -24.7 -28.9 68 4.2 -25.1 275 33 254.1 254.1 253.0 255.1 0.38 5 920 804 -22.7 -26.9 69 4.2 -23.2 276 33 256.5 256.6 255.3 257.8 0.46 6 890 1049 -18.9 -22.0 76 3.1 -19.4 282 32 262.9 263.0 260.9 264.9 0.74 7 850 1391 -20.9 -23.6 79 2.7 -21.3 290 31 264.3 264.4 261.9 266.1 0.67 8 840 1478 -21.1 -23.9 78 2.8 -21.5 290 31 264.9 265.0 262.3 266.8 0.66 9 811 1738 -20.5 -23.6 76 3.1 -21.0 290 32 268.2 268.4 264.8 270.3 0.70 10 700 2815 -25.5 -29.2 71 3.7 -25.9 290 36 274.2 274.3 268.5 275.7 0.49 11 660 3238 -28.9 -32.7 70 3.8 -29.3 292 36 275.1 275.1 268.8 276.2 0.37 12 615 3738 -32.5 -36.0 71 3.5 -32.8 294 36 276.5 276.6 269.6 277.4 0.29 13 562 4368 -35.7 -39.1 71 3.4 -35.9 297 35 280.0 280.0 271.6 280.7 0.23 14 500 5170 -41.5 -45.0 69 3.5 -41.6 300 35 282.4 282.5 272.8 282.9 0.14 15 400 6650 -52.3 -55.8 66 3.5 -52.4 310 36 287.0 287.0 275.2 287.2 0.05 16 300 8460 -65.3 -68.8 62 3.5 -65.3 320 44 293.3 293.3 278.3 293.3 0.01 17 294 8583 -66.1 -69.6 61 3.5 -66.1 318 44 293.9 293.9 278.6 293.9 0.01 18 275 8986 -67.1 -70.6 61 3.5 -67.1 310 42 298.1 298.1 280.5 298.1 0.01 19 265 9209 -67.5 -71.0 61 3.5 -67.5 312 41 300.7 300.7 281.6 300.7 0.01 20 250 9560 -66.7 -70.3 60 3.6 -66.7 315 40 306.9 306.9 284.2 306.9 0.01 21 203 10837 -61.1 -64.8 61 3.7 -61.2 315 28 334.6 334.6 293.0 334.7 0.03 22 200 10930 -61.1 -64.8 61 3.7 -61.2 315 27 336.0 336.0 293.3 336.1 0.03 23 150 12710 -60.5 -64.5 59 4.0 -60.6 295 17 365.9 365.9 299.8 366.0 0.04 24 108 14746 -63.3 -67.8 54 4.5 -63.4 283 17 396.6 396.6 304.8 396.8 0.04 25 100 15220 -62.5 -67.2 53 4.7 -62.6 280 17 407.0 407.0 306.2 407.2 0.05 26 70 17400 -66.1 -71.1 49 5.0 -66.2 265 27 443.0 443.0 310.2 443.2 0.04 27 50 19430 -67.3 -73.3 42 6.0 -67.4 250 36 484.9 484.9 313.8 485.1 0.04 28 42 20479 -68.1 -74.1 42 6.0 -68.2 507.7 507.7 315.5 508.0 0.04 TRP 275 8986 -67.1 -70.6 61 3.5 -67.1 310 42 298.1 298.1 280.5 298.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 4965.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 72.03 % Est. max temperature: -8.96 C = 15.87 F Sfc-Lift cond lev (LCL): 944.77 mb = 611.82 m = 2007.26 ft T: -28.78 C 700-500 lapse rate: 6.79 C/km ThetaE index: 0.00 C Layer 992.0--1683439933030020205612275597312.0 mb Conv cond level (CCL): 968.62 mb = 433.47 m = 1422.12 ft Mean mixing ratio: 0.38 g/kg Conv temperature: -26.84 C = -16.32 F Cap Strength: 23.11 C Lifted Index: 24.34 C Risk: None Lifted Index @300 mb: 28.66 C Lifted Index @700 mb: 19.60 C Showalter Index: 13.50 C Risk: None Total Totals Index: 38.50 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 17.90 C K Index: -6.70 Risk: None Sweat Index: 97.00 Risk: None Energy Index: 3.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 72.78 J/kg Max Up Vert Vel: 12.06 m/s Conv Inhibition (B-): 42837.57 J/kg Cap Strength: 24.26 C Lift Cond Lev (LCL): 893.07 mb = 1023.70 m = 3358.55 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 323 at 25 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 ---------------------------------------------------------- 0 992 263 210 5 2.5 4.3 | 153 27 -12.5 24.3 1 925 764 275 33 32.9 -2.9 | 226 25 17.9 17.1 2 850 1391 290 31 29.1 -10.6 | 236 17 14.2 9.4 3 700 2815 290 36 33.8 -12.3 | 248 20 18.9 7.7 4 500 5170 300 35 30.3 -17.5 | 261 16 15.3 2.5 5 400 6650 310 36 27.6 -23.1 | 284 13 12.6 -3.2 6 300 8460 320 44 28.3 -33.7 | 316 19 13.3 -13.7 7 275 8986 310 42 32.2 -27.0 | 292 19 17.2 -7.0 8 250 9560 315 40 28.3 -28.3 | 302 16 13.3 -8.3 9 200 10930 315 27 19.1 -19.1 | 258 4 4.1 0.9 10 150 12710 295 17 15.4 -7.2 | 182 13 0.4 12.8 11 100 15220 280 17 16.7 -3.0 | 186 17 1.8 17.0 12 70 17400 265 27 26.9 2.4 | 208 25 11.9 22.3 13 50 19430 250 36 33.8 12.3 | 210 37 18.9 32.3 Wind Parameters Mean winds (0-6000m): 293.2 at 33.3 knts Storm direction: 323.2 at 25.0 knts Shear (0-3000m) pos: 5.5 neg: 0.6 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 97.2 deg Storm rel helicity (0-3000m) pos: 298.5 neg: 0.0 tot: 298.5 m^2/s^2 ave: 99.5 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 7.5 10^-3/s Energy-Hel index: 0.13 Bulk Rich Number: 1.67 Bulk Shear: 43.54 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 ------------------------------------------------------------------------------- 500 268 19 191 21| 32.0 0.0 32.0|255.1 0.0 255.1 510.3 0.98| 36.9 36.3 1000 276 25 211 20| 15.8 0.0 15.8|273.2 0.0 273.2 273.2 0.90| 22.0 19.8 1500 281 27 219 19| 10.9 0.0 10.9|281.2 0.0 281.2 187.4 0.88| 15.7 13.8 2000 284 29 225 19| 8.2 0.5 8.6|287.5 0.0 287.5 143.8 0.87| 12.2 10.7 2500 285 30 229 19| 6.5 0.7 7.3|293.8 0.0 293.8 117.5 0.87| 10.1 8.8 3000 286 31 233 19| 5.5 0.6 6.1|298.5 0.0 298.5 99.5 0.86| 8.7 7.5 4000 288 32 238 18| 4.1 0.5 4.6|306.8 0.0 306.8 76.7 0.85| 6.8 5.8 5000 291 33 242 18| 3.3 0.4 3.7|314.9 0.0 314.9 63.0 0.84| 5.8 4.8 6000 293 33 246 17| 2.9 0.3 3.2|329.5 0.0 329.5 54.9 0.85| 5.2 4.4 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251210.00.gif