UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121400.upa.cvt Date: 0000Z 14 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:0000Z 14 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 ------------------------------------------------------------------------------- SFC 1010 191 -49.3 -58.3 34 9.0 -49.4 0 0 223.2 223.2 223.1 223.3 0.01 1 1000 256 -49.1 -57.1 39 8.0 -49.2 20 17 224.1 224.1 224.0 224.1 0.02 2 988 336 -48.9 -56.9 39 8.0 -49.0 29 16 225.0 225.0 224.9 225.1 0.02 3 925 780 -38.9 -45.9 48 7.0 -39.1 80 9 239.5 239.5 239.1 239.7 0.07 4 910 892 -37.1 -44.1 48 7.0 -37.3 94 8 242.5 242.5 242.0 242.7 0.08 5 875 1167 -28.9 -34.9 56 6.0 -29.3 126 6 253.8 253.8 252.4 254.4 0.23 6 850 1375 -26.7 -32.7 57 6.0 -27.2 150 5 258.2 258.2 256.3 259.0 0.29 7 846 1409 -26.7 -31.7 63 5.0 -27.1 148 5 258.5 258.6 256.6 259.4 0.32 8 738 2392 -25.5 -33.5 47 8.0 -26.3 85 8 270.1 270.2 265.4 271.1 0.31 9 700 2773 -26.5 -39.5 28 13.0 -27.5 60 9 273.1 273.2 267.1 273.7 0.18 10 640 3419 -28.3 -46.3 16 18.0 -29.4 36 16 278.2 278.2 270.2 278.5 0.09 11 634 3486 -28.7 -46.7 16 18.0 -29.8 34 17 278.5 278.5 270.4 278.8 0.09 12 569 4250 -36.1 -52.1 18 16.0 -36.7 5 25 278.5 278.5 270.4 278.7 0.05 13 500 5140 -40.5 -58.5 13 18.0 -41.0 330 35 283.7 283.7 273.3 283.8 0.03 14 440 6001 -44.9 -61.9 13 17.0 -45.2 330 54 288.7 288.7 276.0 288.7 0.02 15 400 6630 -49.7 -64.7 16 15.0 -49.9 330 68 290.4 290.4 276.9 290.5 0.02 16 376 7034 -52.3 -66.4 17 14.0 -52.5 325 71 292.1 292.1 277.7 292.1 0.01 17 330 7870 -57.9 -69.9 20 12.0 -58.0 325 71 295.6 295.6 279.4 295.6 0.01 18 300 8470 -60.3 -72.3 19 12.0 -60.4 325 71 300.3 300.3 281.5 300.4 0.01 19 293 8617 -60.7 -72.7 19 12.0 -60.8 325 69 301.8 301.8 282.1 301.8 0.01 20 272 9077 -61.5 -73.5 19 12.0 -61.6 323 66 307.1 307.1 284.2 307.2 0.01 21 250 9600 -60.5 -72.5 19 12.0 -60.6 320 62 316.1 316.1 287.5 316.2 0.01 22 203 10897 -60.3 -72.3 19 12.0 -60.4 320 55 335.8 335.8 293.3 335.9 0.01 23 200 10990 -60.5 -72.5 19 12.0 -60.6 320 54 337.0 337.0 293.6 337.0 0.01 24 150 12770 -62.5 -74.5 18 12.0 -62.6 315 38 362.4 362.4 299.2 362.5 0.01 25 100 15250 -66.1 -79.1 15 13.0 -66.2 320 25 400.0 400.0 305.2 400.1 0.01 26 70 17400 -69.5 -83.5 11 14.0 -69.6 315 19 435.7 435.7 309.4 435.7 0.01 27 58 18521 -69.9 -83.9 11 14.0 -70.0 458.9 458.9 311.7 458.9 0.01 TRP 293 8617 -60.7 -72.7 19 12.0 -60.8 325 69 301.8 301.8 282.1 301.8 0.01 WND 376 7034 -52.3 -66.4 17 14.0 -52.5 325 71 292.1 292.1 277.7 292.1 0.01 Sounding variables and indices 1000-500 mb thick: 4884.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.03 inches Sfc-500 mean rel hum: 33.92 % Est. max temperature: -16.03 C = 3.14 F Sfc-Lift cond lev (LCL): 854.94 mb = 1333.50 m = 4374.94 ft T: -27.14 C 700-500 lapse rate: 5.91 C/km Conv cond level (CCL): 314.06 mb = 8181.86 m = 26843.04 ft Mean mixing ratio: 0.04 g/kg Conv temperature: 25.73 C = 78.32 F Cap Strength: 40.77 C Lifted Index: 42.33 C Risk: None Lifted Index @300 mb: 48.40 C Lifted Index @700 mb: 37.11 C Showalter Index: 20.30 C Risk: None Total Totals Index: 21.60 C Risk: None Vertical Totals Index: 13.80 C Cross Totals Index: 7.80 C K Index: -31.90 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 5.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 49.42 J/kg Max Up Vert Vel: 9.94 m/s Conv Inhibition (B-): 43062.63 J/kg Cap Strength: 42.17 C Lift Cond Lev (LCL): 864.49 mb = 1253.87 m = 4113.68 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 16 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 1010 191 0 0 -0.0 -0.0 | 196 15 4.3 14.8 1 1000 256 20 17 -5.8 -16.0 | 51 2 -1.5 -1.2 2 925 780 80 9 -8.9 -1.6 | 161 14 -4.6 13.2 3 850 1375 150 5 -2.5 4.3 | 185 19 1.8 19.1 4 700 2773 60 9 -7.8 -4.5 | 161 11 -3.5 10.3 5 500 5140 330 35 17.5 -30.3 | 305 27 21.8 -15.5 6 400 6630 330 68 34.0 -58.9 | 319 58 38.3 -44.1 7 376 7034 325 71 40.7 -58.2 | 314 63 45.0 -43.4 8 300 8470 325 71 40.7 -58.2 | 314 63 45.0 -43.4 9 293 8617 325 69 39.6 -56.5 | 314 61 43.9 -41.8 10 250 9600 320 62 39.9 -47.5 | 307 55 44.2 -32.7 11 200 10990 320 54 34.7 -41.4 | 304 47 39.0 -26.6 12 150 12770 315 38 26.9 -26.9 | 291 33 31.2 -12.1 13 100 15250 320 25 16.1 -19.2 | 282 21 20.4 -4.4 14 70 17400 315 19 13.4 -13.4 | 266 18 17.7 1.3 Wind Parameters Mean winds (0-6000m): 346.3 at 20.5 knts Storm direction: 16.3 at 15.4 knts Shear (0-3000m) pos: 1.0 neg: 2.5 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): -62.0 deg Storm rel helicity (0-3000m) pos: 52.6 neg: -50.0 tot: 2.6 m^2/s^2 ave: 0.9 10^-3 m/s^2 rel: -0.20 Storm rel vorticity (0-3000m) horiz: 10.8 stream: -2.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.49 Bulk Shear: 33.13 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 37 13 142 6| 10.7 0.0 10.7| 13.4 -9.0 4.4 8.8 -0.30| 35.3-10.4 1000 55 11 153 10| 3.2 0.0 3.2| 41.2 -9.0 32.2 32.2 -0.08| 22.4 -1.8 1500 69 9 161 12| 2.0 0.0 2.0| 52.6 -18.6 34.0 22.7 -0.07| 16.4 -1.1 2000 77 8 163 14| 1.5 1.0 2.5| 52.6 -32.6 20.0 10.0 -0.12| 13.3 -1.6 2500 74 8 164 13| 1.2 1.7 2.9| 52.6 -39.7 12.9 5.2 -0.14| 11.6 -1.7 3000 68 9 162 12| 1.0 2.5 3.5| 52.6 -50.0 2.6 0.9 -0.20| 10.8 -2.1 4000 42 11 154 7| 0.8 3.6 4.4| 52.6 -72.1 -19.5 -4.9 -0.33| 10.3 -3.4 5000 3 15 274 4| 0.6 4.3 4.9| 52.6-133.1 -80.4 -16.1 -0.39| 10.5 -4.1 6000 346 21 299 11| 0.5 5.5 6.0|117.8-133.1 -15.3 -2.5 -0.26| 10.7 -2.8 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251214.00.gif