UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122412.upa.cvt Date: 1200Z 24 DEC 25 Searching for U0744... Searching the city database file for: U0744 ... Date:1200Z 24 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 ------------------------------------------------------------------------------- 0 1000 5 290 11 SFC 998 21 -1.5 -2.0 96 0.5 -1.7 290 11 271.8 272.4 271.6 280.7 3.30 2 925 624 -4.7 -6.9 85 2.2 -5.4 300 9 274.5 274.9 271.9 281.3 2.46 3 864 1157 -7.7 -9.4 88 1.7 -8.2 308 15 276.8 277.1 272.8 282.9 2.17 4 850 1284 -8.5 -10.8 83 2.3 -9.2 310 17 277.2 277.6 272.8 282.8 1.97 5 828 1487 -9.7 -13.0 77 3.3 -10.6 313 19 278.1 278.3 272.8 282.9 1.69 6 748 2273 -8.7 -18.7 44 10.0 -11.2 326 26 287.3 287.6 277.1 290.9 1.17 7 705 2729 -11.3 -23.3 36 12.0 -13.9 334 30 289.4 289.5 277.6 292.0 0.83 8 700 2784 -11.7 -23.7 36 12.0 -14.3 335 31 289.5 289.7 277.7 292.0 0.81 9 671 3107 -12.9 -23.9 39 11.0 -15.2 336 32 291.7 291.9 278.7 294.3 0.83 10 500 5280 -28.1 -32.8 64 4.7 -28.7 345 36 298.8 298.9 281.5 300.4 0.48 11 493 5381 -28.7 -33.0 66 4.3 -29.2 345 36 299.3 299.3 281.7 300.9 0.48 12 487 5469 -29.1 -33.4 66 4.3 -29.6 345 37 299.8 299.9 281.9 301.4 0.47 13 400 6840 -41.1 -47.1 52 6.0 -41.4 345 42 301.6 301.6 282.2 302.1 0.14 14 382 7151 -43.9 -49.9 51 6.0 -44.2 347 40 301.9 301.9 282.3 302.3 0.10 15 309 8542 -55.3 -60.3 54 5.0 -55.4 354 32 304.8 304.8 283.4 304.9 0.04 16 300 8730 -56.5 -61.5 53 5.0 -56.6 355 31 305.7 305.7 283.7 305.8 0.03 17 250 9860 -63.9 -68.9 50 5.0 -63.9 345 33 311.1 311.1 285.7 311.1 0.01 18 231 10344 -66.7 -71.7 49 5.0 -66.7 345 38 313.9 313.9 286.7 314.0 0.01 19 216 10751 -67.3 -72.3 49 5.0 -67.3 345 39 319.1 319.1 288.5 319.1 0.01 20 200 11220 -64.9 -69.9 50 5.0 -65.0 345 40 330.0 330.0 291.7 330.0 0.02 21 174 12081 -59.7 -64.7 52 5.0 -59.8 352 31 352.0 352.0 297.1 352.1 0.04 22 170 12226 -59.7 -64.7 52 5.0 -59.8 353 29 354.3 354.3 297.6 354.5 0.04 23 150 13000 -64.9 -69.9 50 5.0 -65.0 360 21 358.3 358.3 298.4 358.4 0.02 24 126 14065 -64.5 -70.5 43 6.0 -64.6 377.3 377.3 301.8 377.4 0.02 25 104 15231 -66.7 -72.7 42 6.0 -66.8 394.4 394.4 304.5 394.5 0.02 TRP 231 10344 -66.7 -71.7 49 5.0 -66.7 345 38 313.9 313.9 286.7 314.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5275.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.31 inches Sfc-500 mean rel hum: 60.51 % Est. max temperature: 4.01 C = 39.21 F Sfc-Lift cond lev (LCL): 990.11 mb = 84.01 m = 275.63 ft T: -1.83 C 700-500 lapse rate: 6.57 C/km ThetaE index: 0.06 C Layer 850.0- 828.0 mb Conv cond level (CCL): 901.65 mb = 823.85 m = 2702.90 ft Mean mixing ratio: 2.74 g/kg Conv temperature: 2.05 C = 35.69 F Cap Strength: 11.46 C Lifted Index: 14.89 C Risk: None Lifted Index @300 mb: 17.37 C Lifted Index @700 mb: 10.08 C Showalter Index: 13.60 C Risk: None Total Totals Index: 36.90 C Risk: None Vertical Totals Index: 19.60 C Cross Totals Index: 17.30 C K Index: -3.20 Risk: None Sweat Index: 70.00 Risk: None Energy Index: 3.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.57 J/kg Max Up Vert Vel: 4.81 m/s Conv Inhibition (B-): 15213.05 J/kg Cap Strength: 14.75 C Lift Cond Lev (LCL): 925.21 mb = 622.18 m = 2041.23 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 5 at 20 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 ---------------------------------------------------------- 0 998 21 290 11 10.3 -3.8 | 216 21 12.1 16.6 1 925 624 300 9 7.8 -4.5 | 211 18 9.6 15.8 2 850 1284 310 17 13.0 -10.9 | 238 18 14.8 9.4 3 700 2784 335 31 13.1 -28.1 | 298 17 14.9 -7.8 4 500 5280 345 36 9.3 -34.8 | 322 18 11.1 -14.4 5 400 6840 345 42 10.9 -40.6 | 328 24 12.6 -20.2 6 300 8730 355 31 2.7 -30.9 | 337 11 4.5 -10.5 7 250 9860 345 33 8.5 -31.9 | 318 15 10.3 -11.5 8 231 10344 345 38 9.8 -36.7 | 325 20 11.6 -16.4 9 200 11220 345 40 10.4 -38.6 | 326 22 12.1 -18.3 10 150 13000 360 21 -0.0 -21.0 | 291 2 1.8 -0.7 Wind Parameters Mean winds (0-6000m): 335.0 at 27.2 knts Storm direction: 5.0 at 20.4 knts Shear (0-3000m) pos: 4.3 neg: 0.0 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 83.8 deg Storm rel helicity (0-3000m) pos: 119.0 neg: -8.7 tot: 110.4 m^2/s^2 ave: 36.8 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 4.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.20 Bulk Shear: 56.69 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 ------------------------------------------------------------------------------- 500 294 10 214 20| 2.3 0.0 2.3| 0.0 -7.1 -7.1 -14.2 -0.62| 2.3 -1.4 1000 298 11 216 19| 2.3 0.0 2.3| 23.5 -8.7 14.8 14.8 0.42| 3.9 1.7 1500 304 13 222 18| 3.5 0.0 3.5| 50.6 -8.7 41.9 27.9 0.67| 4.6 3.1 2000 309 15 230 17| 4.0 0.0 4.0| 75.3 -8.7 66.6 33.3 0.77| 4.9 3.8 2500 316 17 239 16| 4.4 0.0 4.4|101.3 -8.7 92.7 37.1 0.82| 5.2 4.3 3000 321 19 249 15| 4.3 0.0 4.3|119.0 -8.7 110.4 36.8 0.85| 5.0 4.2 4000 327 23 264 14| 3.6 0.0 3.6|132.5 -8.7 123.9 31.0 0.86| 4.1 3.6 5000 332 25 278 14| 3.1 0.0 3.1|146.8 -8.7 138.1 27.6 0.87| 3.6 3.2 6000 335 27 288 14| 2.7 0.2 2.9|155.9 -8.7 147.2 24.5 0.84| 3.3 2.8 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251224.12.gif