UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for U0744... Searching the city database file for: U0744 ... Date:0000Z 7 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 1032 18 -9.5 -12.4 79 2.9 -10.2 160 9 261.3 261.5 261.1 265.1 1.43 1 1004 232 -4.5 -8.3 75 3.8 -5.7 239 14 268.3 268.7 267.3 273.9 2.03 2 1000 263 -4.7 -8.6 74 3.9 -5.9 250 15 268.5 268.8 267.3 273.9 1.99 3 925 868 -10.5 -14.9 70 4.4 -11.5 265 19 268.6 268.8 266.1 272.2 1.30 4 850 1513 -15.5 -19.6 71 4.1 -16.3 300 11 269.9 270.1 266.4 272.6 0.95 5 819 1792 -18.1 -21.7 73 3.6 -18.7 302 13 270.0 270.2 266.3 272.4 0.82 6 786 2099 -19.1 -23.0 71 3.9 -19.7 304 14 272.2 272.3 267.6 274.4 0.76 7 776 2194 -19.9 -24.0 70 4.1 -20.5 305 15 272.3 272.4 267.6 274.4 0.71 8 763 2319 -18.3 -23.3 65 5.0 -19.1 306 15 275.3 275.5 269.7 277.6 0.77 9 734 2609 -18.5 -28.5 41 10.0 -20.0 308 17 278.2 278.3 270.9 279.7 0.50 10 700 2961 -20.5 -33.5 30 13.0 -22.1 310 19 279.8 279.8 271.6 280.8 0.32 11 686 3110 -21.5 -35.5 27 14.0 -23.1 310 19 280.3 280.3 271.8 281.1 0.27 12 585 4262 -30.1 -39.1 41 9.0 -30.8 313 19 283.3 283.4 273.5 284.0 0.22 13 500 5360 -38.3 -48.3 34 10.0 -38.8 315 19 286.3 286.4 274.9 286.7 0.10 14 416 6601 -46.7 -56.7 31 10.0 -46.9 336 26 291.0 291.0 277.2 291.2 0.04 15 401 6844 -48.9 -58.9 30 10.0 -49.1 340 27 291.2 291.2 277.3 291.3 0.03 16 400 6860 -48.9 -58.9 30 10.0 -49.1 340 27 291.4 291.4 277.4 291.6 0.03 17 300 8690 -62.5 -70.5 33 8.0 -62.6 360 31 297.2 297.2 280.1 297.3 0.01 18 289 8921 -64.3 -72.3 33 8.0 -64.3 358 31 297.9 297.9 280.4 297.9 0.01 19 250 9800 -69.5 -77.5 30 8.0 -69.5 350 33 302.7 302.7 282.5 302.8 0.00 20 222 10509 -69.1 -77.1 30 8.0 -69.1 345 31 313.8 313.8 286.7 313.8 0.00 21 205 10990 -65.5 -73.5 32 8.0 -65.5 341 29 326.7 326.7 290.8 326.8 0.01 22 200 11140 -65.1 -73.1 32 8.0 -65.1 340 29 329.7 329.7 291.6 329.7 0.01 23 150 12900 -64.1 -72.1 33 8.0 -64.2 340 23 359.7 359.7 298.7 359.7 0.02 24 143 13192 -63.5 -71.5 33 8.0 -63.6 338 23 365.7 365.7 299.8 365.7 0.02 25 116 14462 -66.5 -74.5 32 8.0 -66.6 327 24 382.6 382.7 302.7 382.7 0.01 26 111 14728 -66.5 -74.5 32 8.0 -66.6 325 24 387.5 387.5 303.4 387.6 0.01 27 102 15240 -65.3 -73.3 32 8.0 -65.4 321 25 399.3 399.3 305.1 399.4 0.02 28 100 15360 -65.3 -73.3 32 8.0 -65.4 320 25 401.6 401.6 305.4 401.7 0.02 29 70 17500 -71.5 -79.5 29 8.0 -71.6 315 27 431.4 431.4 309.0 431.5 0.01 30 57 18710 -72.7 -80.7 29 8.0 -72.8 454.8 454.8 311.3 454.9 0.01 TRP 250 9800 -69.5 -77.5 30 8.0 -69.5 350 33 302.7 302.7 282.5 302.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5097.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 51.55 % Est. max temperature: -1.38 C = 29.52 F Sfc-Lift cond lev (LCL): 985.11 mb = 379.42 m = 1244.82 ft T: -5.82 C 700-500 lapse rate: 7.42 C/km ThetaE index: 1.69 C Layer 925.0- 850.0 mb Conv cond level (CCL): 903.61 mb = 1046.44 m = 3433.15 ft Mean mixing ratio: 1.70 g/kg Conv temperature: -1.76 C = 28.83 F Cap Strength: 10.13 C Lifted Index: 11.84 C Risk: None Lifted Index @300 mb: 17.78 C Lifted Index @700 mb: 8.25 C Showalter Index: 11.48 C Risk: None Total Totals Index: 41.50 C Risk: None Vertical Totals Index: 22.80 C Cross Totals Index: 18.70 C K Index: -9.80 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 2.99 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.44 J/kg Max Up Vert Vel: 6.55 m/s Conv Inhibition (B-): 25487.96 J/kg Cap Strength: 11.76 C Lift Cond Lev (LCL): 924.07 mb = 875.71 m = 2873.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 333 at 13 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 1032 18 160 9 -3.1 8.5 | 156 22 -8.9 20.1 1 1000 263 250 15 14.1 5.1 | 206 19 8.3 16.8 2 925 868 265 19 18.9 1.7 | 225 19 13.1 13.3 3 850 1513 300 11 9.5 -5.5 | 211 7 3.7 6.1 4 700 2961 310 19 14.6 -12.2 | 274 9 8.7 -0.6 5 500 5360 315 19 13.4 -13.4 | 283 8 7.6 -1.8 6 400 6860 340 27 9.2 -25.4 | 346 14 3.4 -13.7 7 300 8690 360 31 -0.0 -31.0 | 17 20 -5.8 -19.4 8 250 9800 350 33 5.7 -32.5 | 0 21 -0.1 -20.8 9 200 11140 340 29 9.9 -27.3 | 345 16 4.1 -15.6 10 150 12900 340 23 7.9 -21.6 | 348 10 2.0 -10.0 11 100 15360 320 25 16.1 -19.2 | 306 13 10.2 -7.5 12 70 17500 315 27 19.1 -19.1 | 299 15 13.3 -7.4 Wind Parameters Mean winds (0-6000m): 303.4 at 17.4 knts Storm direction: 333.4 at 13.0 knts Shear (0-3000m) pos: 4.7 neg: 0.0 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 117.8 deg Storm rel helicity (0-3000m) pos: 153.5 neg: -5.8 tot: 147.6 m^2/s^2 ave: 49.2 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 5.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.60 Bulk Shear: 35.55 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 ------------------------------------------------------------------------------- 500 241 14 199 19| 20.4 0.0 20.4|117.2 0.0 117.2 234.4 0.97| 22.6 21.8 1000 255 16 211 18| 11.5 0.0 11.5|137.4 0.0 137.4 137.4 0.89| 14.6 13.0 1500 263 15 215 16| 6.5 0.0 6.5|137.7 -5.8 131.8 87.9 0.62| 12.8 7.9 2000 272 15 218 14| 5.6 0.0 5.6|142.9 -5.8 137.1 68.5 0.64| 10.4 6.7 2500 279 15 223 13| 5.1 0.0 5.1|148.3 -5.8 142.5 57.0 0.66| 8.9 5.9 3000 286 15 230 11| 4.7 0.0 4.7|153.5 -5.8 147.6 49.2 0.68| 7.9 5.3 4000 294 16 240 10| 3.5 0.0 3.5|154.7 -5.8 148.9 37.2 0.68| 6.0 4.1 5000 299 17 248 9| 2.8 0.0 2.8|156.0 -5.8 150.1 30.0 0.68| 4.9 3.3 6000 303 17 256 9| 2.7 0.0 2.7|167.6 -5.8 161.8 27.0 0.71| 4.5 3.2 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251207.00.gif