UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:1200Z 4 DEC 25 Station: U4507 WMO ident: 24507 Latitude: 64.27 Longitude: 100.23 ------------------------------------------------------------------------------- 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 SFC 976 186 -19.1 -23.4 69 4.3 -19.7 0 0 255.8 255.9 255.0 257.4 0.59 2 963 286 -19.1 -23.4 69 4.3 -19.7 335 1 256.8 256.9 255.8 258.5 0.60 3 925 589 -13.5 -15.5 85 2.0 -13.9 260 5 265.5 265.7 263.9 268.9 1.23 4 924 597 -13.3 -15.1 86 1.8 -13.7 260 5 265.8 266.0 264.1 269.3 1.28 5 853 1191 -17.9 -20.5 80 2.6 -18.3 274 13 267.1 267.3 264.3 269.6 0.88 6 850 1217 -18.1 -20.7 80 2.6 -18.6 275 13 267.2 267.3 264.4 269.6 0.86 7 776 1896 -21.1 -23.3 82 2.2 -21.4 280 16 271.0 271.1 266.8 273.2 0.75 8 764 2012 -19.5 -21.7 83 2.2 -19.9 280 16 273.9 274.1 269.0 276.5 0.88 9 751 2140 -19.9 -21.9 84 2.0 -20.3 281 17 274.9 275.0 269.5 277.4 0.88 10 700 2661 -22.7 -25.7 76 3.0 -23.1 285 19 277.3 277.5 270.8 279.4 0.67 11 573 4102 -31.9 -34.8 75 2.9 -32.1 285 20 282.9 283.0 273.5 284.0 0.35 12 500 5050 -38.9 -42.8 66 3.9 -39.1 285 21 285.6 285.6 274.6 286.2 0.18 13 494 5133 -40.3 -44.1 67 3.8 -40.5 286 21 284.9 284.9 274.2 285.4 0.15 14 400 6550 -47.1 -52.1 56 5.0 -47.3 305 25 293.8 293.8 278.6 294.0 0.08 15 393 6667 -47.7 -52.7 56 5.0 -47.9 304 25 294.5 294.5 279.0 294.7 0.07 16 328 7831 -58.1 -64.1 46 6.0 -58.2 291 25 295.8 295.8 279.5 295.9 0.02 17 300 8390 -59.5 -65.5 46 6.0 -59.6 285 25 301.5 301.5 282.0 301.5 0.02 18 279 8845 -61.7 -67.7 45 6.0 -61.7 275 25 304.6 304.6 283.2 304.7 0.02 19 272 9003 -61.9 -67.9 45 6.0 -62.0 272 26 306.6 306.6 284.0 306.6 0.02 20 250 9530 -60.5 -66.5 45 6.0 -60.6 260 31 316.1 316.1 287.5 316.2 0.02 21 223 10245 -57.3 -63.3 46 6.0 -57.4 268 33 331.5 331.5 292.2 331.7 0.03 22 200 10930 -57.9 -63.9 46 6.0 -58.0 275 35 341.1 341.1 294.6 341.2 0.04 23 150 12740 -58.3 -65.3 40 7.0 -58.5 280 29 369.6 369.6 300.5 369.8 0.04 24 148 12824 -58.3 -66.3 35 8.0 -58.5 280 29 371.1 371.1 300.8 371.2 0.03 25 100 15260 -63.3 -72.3 28 9.0 -63.4 280 29 405.4 405.4 305.9 405.5 0.02 26 70 17430 -66.5 -75.5 27 9.0 -66.7 290 31 442.1 442.1 310.1 442.2 0.02 27 50 19450 -69.7 -78.7 26 9.0 -69.8 275 23 479.2 479.2 313.4 479.3 0.02 28 30 22467 -73.3 -83.3 20 10.0 -73.5 544.8 544.8 317.8 544.9 0.01 TRP 279 8845 -61.7 -67.7 45 6.0 -61.7 275 25 304.6 304.6 283.2 304.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5045.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 77.24 % Est. max temperature: -6.62 C = 20.08 F Sfc-Lift cond lev (LCL): 909.27 mb = 716.45 m = 2350.52 ft T: -14.22 C 700-500 lapse rate: 6.78 C/km Conv cond level (CCL): 976.00 mb = 185.95 m = 610.06 ft Mean mixing ratio: 0.99 g/kg Conv temperature: -17.51 C = 0.48 F Cap Strength: 14.84 C Lifted Index: 16.33 C Risk: None Lifted Index @300 mb: 25.27 C Lifted Index @700 mb: 11.21 C Showalter Index: 13.29 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 20.80 C Cross Totals Index: 18.20 C K Index: -2.90 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 3.54 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 48.48 J/kg Max Up Vert Vel: 9.85 m/s Conv Inhibition (B-): 45264.87 J/kg Cap Strength: 16.30 C Lift Cond Lev (LCL): 890.84 mb = 868.63 m = 2849.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 315 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 ---------------------------------------------------------- 0 976 186 0 0 -0.0 -0.0 | 135 13 -9.1 9.2 1 925 589 260 5 4.9 0.9 | 157 11 -4.2 10.1 2 850 1217 275 13 13.0 -1.1 | 205 9 3.8 8.1 3 700 2661 285 19 18.4 -4.9 | 245 10 9.2 4.3 4 500 5050 285 21 20.3 -5.4 | 251 12 11.1 3.8 5 400 6550 305 25 20.5 -14.3 | 294 12 11.3 -5.1 6 300 8390 285 25 24.1 -6.5 | 260 15 15.0 2.7 7 279 8845 275 25 24.9 -2.2 | 246 17 15.8 7.0 8 250 9530 260 31 30.5 5.4 | 236 26 21.4 14.6 9 200 10930 275 35 34.9 -3.1 | 257 26 25.7 6.2 10 150 12740 280 29 28.6 -5.0 | 258 20 19.4 4.2 11 100 15260 280 29 28.6 -5.0 | 258 20 19.4 4.2 12 70 17430 290 31 29.1 -10.6 | 274 20 20.0 -1.4 13 50 19450 275 23 22.9 -2.0 | 242 16 13.8 7.2 Wind Parameters Mean winds (0-6000m): 285.2 at 17.3 knts Storm direction: 315.2 at 13.0 knts Shear (0-3000m) pos: 2.3 neg: 1.1 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 111.3 deg Storm rel helicity (0-3000m) pos: 49.5 neg: -1.5 tot: 48.0 m^2/s^2 ave: 16.0 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 3.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.73 Bulk Shear: 28.08 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 ------------------------------------------------------------------------------- 500 260 3 148 11| 0.0 6.4 6.4| 15.4 -1.5 13.9 27.8 0.64| 8.2 5.3 1000 269 6 163 10| 3.4 3.2 6.6| 31.7 -1.5 30.3 30.3 0.79| 7.6 6.0 1500 273 9 177 9| 3.1 2.1 5.3| 37.7 -1.5 36.3 24.2 0.82| 5.9 4.8 2000 276 11 189 8| 2.9 1.6 4.5| 43.2 -1.5 41.7 20.9 0.84| 5.0 4.2 2500 278 12 201 8| 2.8 1.3 4.1| 48.7 -1.5 47.3 18.9 0.85| 4.5 3.8 3000 280 13 209 8| 2.3 1.1 3.4| 49.5 -1.5 48.0 16.0 0.85| 3.8 3.2 4000 282 15 221 8| 1.7 1.0 2.7| 50.9 -1.5 49.5 12.4 0.84| 3.0 2.5 5000 283 16 229 9| 1.5 0.8 2.3| 54.5 -1.5 53.1 10.6 0.84| 2.5 2.1 6000 285 17 238 9| 1.5 0.7 2.2| 72.8 -1.5 71.4 11.9 0.87| 2.6 2.3 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251204.12.gif