UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for U0744... Searching the city database file for: U0744 ... Date:1200Z 6 DEC 25 Station: U0744 WMO ident: 20744 Latitude: 72.37 Longitude: 52.73 ------------------------------------------------------------------------------- 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 1034 20 -13.1 -19.1 61 6.0 -14.2 160 9 257.6 257.7 256.9 259.8 0.82 1 1005 238 -7.7 -13.7 62 6.0 -9.2 237 12 265.1 265.3 263.7 268.7 1.32 2 1000 277 -7.7 -13.7 62 6.0 -9.2 250 13 265.5 265.7 264.0 269.1 1.32 3 945 714 -9.1 -14.1 67 5.0 -10.3 319 12 268.4 268.6 266.1 272.1 1.36 4 925 879 -10.5 -15.5 67 5.0 -11.6 345 11 268.6 268.8 266.0 272.0 1.23 5 850 1524 -15.9 -19.3 75 3.4 -16.6 10 9 269.5 269.6 266.2 272.3 0.98 6 818 1812 -18.5 -21.6 77 3.1 -19.0 6 9 269.7 269.8 266.1 272.1 0.83 7 809 1894 -18.3 -21.2 78 2.9 -18.8 5 9 270.8 270.9 266.9 273.3 0.87 8 705 2910 -23.7 -33.7 39 10.0 -24.8 351 9 275.7 275.7 269.1 276.6 0.31 9 700 2962 -24.1 -34.1 39 10.0 -25.1 350 9 275.8 275.8 269.1 276.7 0.30 10 652 3476 -25.7 -36.7 35 11.0 -26.8 355 12 279.6 279.7 271.4 280.4 0.25 11 500 5340 -39.3 -52.3 24 13.0 -39.8 15 25 285.1 285.1 274.2 285.3 0.06 12 491 5464 -40.5 -53.5 24 13.0 -40.9 16 25 285.1 285.1 274.2 285.3 0.05 13 457 5950 -44.3 -54.3 32 10.0 -44.6 19 27 286.3 286.3 274.8 286.5 0.05 14 400 6830 -51.1 -59.1 38 8.0 -51.2 25 31 288.6 288.6 276.0 288.7 0.03 15 378 7197 -53.5 -61.5 37 8.0 -53.6 23 33 290.1 290.1 276.7 290.2 0.03 16 316 8328 -62.1 -70.1 34 8.0 -62.1 17 40 293.4 293.4 278.3 293.4 0.01 17 300 8650 -62.1 -70.1 34 8.0 -62.1 15 42 297.8 297.8 280.4 297.8 0.01 18 276 9164 -63.7 -71.7 33 8.0 -63.7 15 42 302.7 302.7 282.5 302.7 0.01 19 265 9413 -64.1 -72.1 33 8.0 -64.1 15 40 305.6 305.6 283.7 305.7 0.01 20 250 9770 -63.9 -71.9 33 8.0 -64.0 15 38 311.1 311.1 285.7 311.1 0.01 21 224 10444 -64.7 -71.7 38 7.0 -64.7 8 37 319.8 319.8 288.7 319.8 0.01 22 200 11140 -63.5 -70.5 38 7.0 -63.6 360 35 332.2 332.2 292.3 332.3 0.01 23 156 12676 -60.7 -68.7 34 8.0 -60.8 347 28 361.4 361.4 299.0 361.5 0.02 24 150 12920 -60.9 -68.9 34 8.0 -61.0 345 27 365.2 365.2 299.7 365.3 0.02 25 102 15280 -64.5 -72.5 32 8.0 -64.6 321 29 400.8 400.8 305.3 400.9 0.02 26 100 15400 -64.5 -72.5 32 8.0 -64.6 320 29 403.1 403.1 305.6 403.2 0.02 27 70 17550 -69.3 -78.3 26 9.0 -69.4 310 31 436.1 436.1 309.5 436.2 0.01 28 54 19089 -72.9 -81.9 24 9.0 -73.0 318 23 461.4 461.4 311.9 461.5 0.01 29 50 19540 -74.3 -83.3 24 9.0 -74.4 320 21 468.4 468.4 312.5 468.4 0.01 30 40 20826 -78.5 -87.5 22 9.0 -78.6 488.7 488.7 314.1 488.8 0.00 TRP 276 9164 -63.7 -71.7 33 8.0 -63.7 15 42 302.7 302.7 282.5 302.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5063.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 49.12 % Est. max temperature: -1.49 C = 29.32 F Sfc-Lift cond lev (LCL): 938.13 mb = 770.58 m = 2528.12 ft T: -9.58 C 700-500 lapse rate: 6.39 C/km ThetaE index: 0.17 C Layer 818.0- 809.0 mb Conv cond level (CCL): 844.25 mb = 1574.87 m = 5166.83 ft Mean mixing ratio: 1.26 g/kg Conv temperature: -1.03 C = 30.15 F Cap Strength: 10.26 C Lifted Index: 13.47 C Risk: None Lifted Index @300 mb: 20.50 C Lifted Index @700 mb: 7.29 C Showalter Index: 10.78 C Risk: None Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 20.00 C K Index: -5.90 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 2.74 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.09 J/kg Max Up Vert Vel: 8.26 m/s Conv Inhibition (B-): 32448.48 J/kg Cap Strength: 13.24 C Lift Cond Lev (LCL): 899.85 mb = 1089.26 m = 3573.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 34 at 11 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 1034 20 160 9 -3.1 8.5 | 190 18 3.2 17.6 1 1000 277 250 13 12.2 4.4 | 234 23 18.4 13.6 2 925 879 345 11 2.8 -10.6 | 279 9 9.1 -1.5 3 850 1524 10 9 -1.6 -8.9 | 266 5 4.7 0.3 4 700 2962 350 9 1.6 -8.9 | 268 8 7.8 0.3 5 500 5340 15 25 -6.5 -24.1 | 1 15 -0.2 -15.0 6 400 6830 25 31 -13.1 -28.1 | 20 20 -6.9 -18.9 7 300 8650 15 42 -10.9 -40.6 | 8 32 -4.6 -31.4 8 276 9164 15 42 -10.9 -40.6 | 8 32 -4.6 -31.4 9 250 9770 15 38 -9.8 -36.7 | 7 28 -3.6 -27.6 10 200 11140 360 35 -0.0 -35.0 | 346 27 6.2 -25.8 11 150 12920 345 27 7.0 -26.1 | 322 21 13.2 -16.9 12 100 15400 320 29 18.6 -22.2 | 298 28 24.9 -13.1 13 70 17550 310 31 23.7 -19.9 | 290 32 30.0 -10.8 14 50 19540 320 21 13.5 -16.1 | 289 21 19.7 -6.9 Wind Parameters Mean winds (0-6000m): 4.3 at 14.8 knts Storm direction: 34.3 at 11.1 knts Shear (0-3000m) pos: 3.0 neg: 0.5 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 80.7 deg Storm rel helicity (0-3000m) pos: 156.6 neg: -2.2 tot: 154.4 m^2/s^2 ave: 51.5 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 5.0 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.50 Bulk Shear: 68.55 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 ------------------------------------------------------------------------------- 500 247 12 231 22| 19.7 0.0 19.7|130.7 0.0 130.7 261.4 0.91| 26.6 24.1 1000 285 12 251 18| 10.0 0.0 10.0|155.6 -0.1 155.5 155.5 0.78| 19.8 15.4 1500 317 11 265 14| 6.0 0.0 6.0|155.6 -2.0 153.6 102.4 0.68| 14.4 9.8 2000 333 10 271 11| 4.5 0.3 4.7|155.8 -2.0 153.8 76.9 0.67| 11.1 7.4 2500 340 10 272 10| 3.6 0.4 4.0|155.8 -2.0 153.8 61.5 0.65| 9.1 5.9 3000 343 10 272 9| 3.0 0.5 3.5|156.6 -2.2 154.4 51.5 0.64| 7.8 5.0 4000 348 11 279 8| 3.1 0.4 3.5|171.5 -2.2 169.3 42.3 0.68| 6.8 4.6 5000 357 12 296 8| 3.2 0.3 3.5|190.0 -2.2 187.9 37.6 0.70| 6.2 4.4 6000 4 15 317 8| 3.0 0.3 3.3|208.5 -2.2 206.3 34.4 0.71| 5.7 4.0 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251206.12.gif