UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for U2543... Searching the city database file for: U2543 ... Date:1200Z 9 DEC 25 Station: U2543 WMO ident: 22543 Latitude: 64.62 Longitude: 40.51 ------------------------------------------------------------------------------- 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 1008 15 -6.5 -8.2 88 1.7 -7.0 160 7 266.0 266.4 265.7 271.5 2.04 1 1000 77 -6.1 -7.1 93 1.0 -6.4 165 9 267.0 267.4 266.7 273.1 2.24 2 951 470 -6.5 -6.5 100 0.0 -6.5 207 14 270.5 270.9 269.4 277.2 2.47 3 925 687 -4.1 -4.1 100 0.0 -4.1 230 17 275.1 275.6 273.2 283.5 3.05 4 922 713 -3.7 -3.7 100 0.0 -3.7 230 17 275.8 276.3 273.7 284.5 3.15 5 870 1170 -5.5 -5.8 98 0.3 -5.6 237 16 278.5 279.0 274.8 286.5 2.85 6 850 1353 -4.9 -5.0 99 0.1 -5.0 240 15 281.0 281.5 276.5 289.7 3.10 7 822 1617 -4.5 -4.7 99 0.2 -4.6 240 15 284.1 284.7 278.4 293.5 3.28 8 700 2864 -11.9 -13.1 91 1.2 -12.3 240 17 289.3 289.7 279.2 295.2 1.99 9 580 4274 -20.5 -22.3 85 1.8 -20.9 248 24 295.2 295.4 280.8 298.7 1.10 10 500 5350 -29.3 -32.4 74 3.1 -29.7 255 29 297.3 297.4 280.9 299.0 0.50 11 430 6413 -37.9 -41.8 67 3.9 -38.2 262 33 299.5 299.5 281.4 300.3 0.23 12 400 6910 -41.1 -44.8 67 3.7 -41.3 265 35 301.6 301.6 282.3 302.2 0.18 13 371 7419 -44.7 -49.1 61 4.4 -44.9 266 36 303.4 303.4 282.9 303.8 0.12 14 332 8159 -48.5 -55.5 44 7.0 -48.7 268 38 307.9 307.9 284.6 308.2 0.06 15 300 8820 -53.7 -60.7 42 7.0 -53.8 270 40 309.7 309.7 285.2 309.8 0.04 16 282 9213 -56.9 -64.9 36 8.0 -57.0 272 41 310.6 310.6 285.5 310.7 0.02 17 250 9970 -58.7 -66.7 35 8.0 -58.8 275 44 318.8 318.8 288.3 318.9 0.02 18 227 10574 -60.9 -68.9 34 8.0 -61.0 270 40 324.4 324.4 290.1 324.4 0.02 19 200 11360 -62.1 -69.1 39 7.0 -62.1 260 42 334.4 334.4 292.9 334.5 0.02 20 188 11740 -63.3 -71.3 33 8.0 -63.4 266 40 338.5 338.5 294.0 338.5 0.01 21 151 13089 -61.5 -69.5 34 8.0 -61.6 289 33 363.4 363.4 299.4 363.5 0.02 22 150 13130 -61.7 -70.7 29 9.0 -61.8 290 33 363.8 363.8 299.4 363.9 0.02 23 100 15610 -67.7 -78.7 19 11.0 -67.8 290 36 396.9 396.9 304.8 397.0 0.01 24 70 17740 -70.1 -81.1 18 11.0 -70.2 300 42 434.4 434.4 309.3 434.5 0.01 25 50 19710 -75.5 -86.5 16 11.0 -75.6 305 38 465.6 465.6 312.3 465.6 0.00 26 46 20191 -77.1 -89.1 13 12.0 -77.1 473.0 473.0 312.9 473.0 0.00 TRP 227 10574 -60.9 -68.9 34 8.0 -61.0 270 40 324.4 324.4 290.1 324.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5273.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.45 inches Sfc-500 mean rel hum: 90.76 % Est. max temperature: 7.50 C = 45.49 F Sfc-Lift cond lev (LCL): 981.01 mb = 226.83 m = 744.19 ft T: -6.25 C 700-500 lapse rate: 7.00 C/km ThetaE index: 0.00 C Layer 1008.0- -4.1 mb Conv cond level (CCL): 1000.00 mb = 77.00 m = 252.62 ft Mean mixing ratio: 2.58 g/kg Conv temperature: -4.67 C = 23.59 F Cap Strength: 15.57 C Lifted Index: 16.21 C Risk: None Lifted Index @300 mb: 22.45 C Lifted Index @700 mb: 12.28 C Showalter Index: 7.13 C Risk: None Total Totals Index: 48.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.40 C Cross Totals Index: 24.30 C K Index: 18.20 Risk: < 20 % chance of thunderstorms Sweat Index: 116.35 Risk: None Energy Index: 1.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.36 J/kg Max Up Vert Vel: 9.10 m/s Conv Inhibition (B-): 30645.46 J/kg Cap Strength: 16.20 C Lift Cond Lev (LCL): 952.42 mb = 457.91 m = 1502.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 275 at 15 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 1008 15 160 7 -2.4 6.6 | 115 19 -17.5 8.0 1 1000 77 165 9 -2.3 8.7 | 120 20 -17.4 10.1 2 925 687 230 17 13.0 10.9 | 170 12 -2.1 12.3 3 850 1353 240 15 13.0 7.5 | 167 9 -2.1 8.9 4 700 2864 240 17 14.7 8.5 | 178 10 -0.4 9.9 5 500 5350 255 29 28.0 7.5 | 235 16 12.9 8.9 6 400 6910 265 35 34.9 3.1 | 257 20 19.8 4.4 7 300 8820 270 40 40.0 -0.0 | 267 25 24.9 1.4 8 250 9970 275 44 43.8 -3.8 | 275 29 28.7 -2.4 9 227 10574 270 40 40.0 -0.0 | 267 25 24.9 1.4 10 200 11360 260 42 41.4 7.3 | 252 28 26.3 8.7 11 150 13130 290 33 31.0 -11.3 | 302 19 15.9 -9.9 12 100 15610 290 36 33.8 -12.3 | 300 22 18.7 -10.9 13 70 17740 300 42 36.4 -21.0 | 313 29 21.3 -19.6 14 50 19710 305 38 31.1 -21.8 | 322 26 16.0 -20.4 Wind Parameters Mean winds (0-6000m): 245.3 at 20.2 knts Storm direction: 275.3 at 15.2 knts Shear (0-3000m) pos: 2.9 neg: 0.2 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 67.8 deg Storm rel helicity (0-3000m) pos: 82.5 neg: -1.7 tot: 80.9 m^2/s^2 ave: 27.0 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 3.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.17 Bulk Shear: 35.32 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 ------------------------------------------------------------------------------- 500 191 11 134 18| 12.1 0.0 12.1| 59.4 0.0 59.4 118.8 0.92| 13.6 12.5 1000 217 14 151 14| 8.1 0.0 8.1| 76.0 -0.6 75.4 75.4 0.80| 10.5 8.4 1500 225 14 157 13| 5.4 0.0 5.4| 76.4 -1.7 74.7 49.8 0.73| 7.6 5.5 2000 229 15 160 12| 4.0 0.2 4.2| 77.9 -1.7 76.2 38.1 0.73| 5.9 4.3 2500 232 15 163 11| 3.2 0.3 3.5| 79.4 -1.7 77.8 31.1 0.74| 4.9 3.6 3000 233 15 165 11| 2.9 0.2 3.1| 82.5 -1.7 80.9 27.0 0.75| 4.3 3.2 4000 237 16 173 10| 2.8 0.2 3.0| 96.7 -1.7 95.0 23.8 0.78| 3.9 3.0 5000 241 18 185 10| 2.8 0.1 3.0|112.9 -1.7 111.2 22.2 0.79| 3.7 2.9 6000 245 20 198 10| 2.8 0.1 2.9|131.6 -1.7 129.9 21.7 0.80| 3.5 2.8 Wrote GIF file: /home/apache/climate/data/raob//U2543/skewt/U2543.skewt.20251209.12.gif