UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:0000Z 10 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 137 325 3 SFC 993 187 -27.9 -31.8 69 3.9 -28.2 325 3 245.7 245.8 245.5 246.5 0.27 2 972 341 -26.5 -30.3 70 3.8 -26.8 314 6 248.7 248.7 248.2 249.5 0.32 3 925 696 -27.9 -32.0 68 4.1 -28.2 290 13 250.8 250.8 250.0 251.6 0.28 4 903 870 -28.3 -32.4 68 4.1 -28.6 293 15 252.1 252.1 251.1 252.9 0.28 5 850 1310 -23.7 -26.9 75 3.2 -24.1 300 21 261.3 261.4 259.2 262.7 0.50 6 847 1336 -23.1 -26.1 76 3.0 -23.5 300 21 262.2 262.3 260.0 263.7 0.54 7 786 1881 -26.7 -29.4 78 2.7 -27.0 294 28 264.0 264.1 261.2 265.3 0.43 8 734 2377 -25.9 -28.6 78 2.7 -26.2 289 34 270.1 270.2 265.7 271.6 0.49 9 726 2457 -26.5 -29.2 78 2.7 -26.8 288 35 270.3 270.4 265.8 271.7 0.47 10 700 2720 -28.5 -31.8 73 3.3 -28.8 285 38 270.9 271.0 266.1 272.1 0.38 11 512 4891 -42.5 -52.5 33 10.0 -42.8 285 47 279.3 279.3 270.8 279.5 0.06 12 500 5050 -43.7 -53.7 32 10.0 -44.0 285 48 279.8 279.8 271.1 279.9 0.05 13 400 6510 -53.3 -62.3 33 9.0 -53.4 285 48 285.7 285.7 274.5 285.8 0.02 14 366 7079 -57.7 -66.7 31 9.0 -57.8 288 48 287.2 287.2 275.2 287.3 0.01 15 300 8330 -60.9 -68.9 34 8.0 -61.0 295 48 299.5 299.5 281.1 299.5 0.01 16 299 8351 -61.1 -69.1 34 8.0 -61.2 295 48 299.5 299.5 281.1 299.5 0.01 17 288 8584 -61.3 -69.3 34 8.0 -61.4 297 45 302.4 302.4 282.4 302.5 0.01 18 250 9470 -57.9 -65.9 35 8.0 -58.0 305 33 320.0 320.0 288.8 320.1 0.02 19 248 9521 -57.7 -65.7 35 8.0 -57.8 305 33 321.0 321.0 289.1 321.1 0.02 20 200 10870 -60.1 -68.1 34 8.0 -60.2 300 29 337.6 337.6 293.7 337.7 0.02 21 150 12670 -60.1 -69.1 30 9.0 -60.2 305 23 366.5 366.5 299.9 366.6 0.02 22 100 15190 -62.5 -72.5 25 10.0 -62.7 300 15 407.0 407.0 306.2 407.1 0.02 23 70 17360 -66.3 -77.3 20 11.0 -66.5 260 23 442.5 442.5 310.1 442.6 0.01 24 50 19400 -67.9 -78.9 19 11.0 -68.1 235 19 483.5 483.5 313.7 483.6 0.02 25 30 22440 -71.7 -83.7 15 12.0 -71.9 250 31 549.2 549.2 318.1 549.3 0.01 26 21 24545 -71.7 -83.7 15 12.0 -71.9 608.2 608.2 321.0 608.3 0.02 TRP 299 8351 -61.1 -69.1 34 8.0 -61.2 295 48 299.5 299.5 281.1 299.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 4913.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 62.91 % Est. max temperature: -11.35 C = 11.57 F Sfc-Lift cond lev (LCL): 929.81 mb = 658.83 m = 2161.49 ft T: -27.75 C 700-500 lapse rate: 6.52 C/km ThetaE index: 0.00 C Layer 993.0- -0.0 mb Conv cond level (CCL): 589.29 mb = 3914.81 m = 12843.72 ft Mean mixing ratio: 0.29 g/kg Conv temperature: 1.93 C = 35.47 F Cap Strength: 23.63 C Lifted Index: 23.84 C Risk: None Lifted Index @300 mb: 34.53 C Lifted Index @700 mb: 18.41 C Showalter Index: 14.05 C Risk: None Total Totals Index: 36.80 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 16.80 C K Index: -10.20 Risk: None Sweat Index: 90.00 Risk: None Energy Index: 3.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.85 J/kg Max Up Vert Vel: 6.30 m/s Conv Inhibition (B-): 58108.36 J/kg Cap Strength: 23.80 C Lift Cond Lev (LCL): 881.06 mb = 1048.80 m = 3440.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 317 at 27 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 ---------------------------------------------------------- 0 993 187 325 3 1.7 -2.5 | 136 24 -16.5 16.9 1 925 696 290 13 12.2 -4.4 | 158 16 -6.0 14.9 2 850 1310 300 21 18.2 -10.5 | 180 9 -0.0 8.9 3 700 2720 285 38 36.7 -9.8 | 243 21 18.5 9.5 4 500 5050 285 48 46.4 -12.4 | 256 29 28.1 6.9 5 400 6510 285 48 46.4 -12.4 | 256 29 28.1 6.9 6 300 8330 295 48 43.5 -20.3 | 272 25 25.3 -0.9 7 299 8351 295 48 43.5 -20.3 | 272 25 25.3 -0.9 8 250 9470 305 33 27.0 -18.9 | 267 9 8.8 0.4 9 200 10870 300 29 25.1 -14.5 | 235 8 6.9 4.9 10 150 12670 305 23 18.8 -13.2 | 186 6 0.6 6.2 11 100 15190 300 15 13.0 -7.5 | 156 13 -5.2 11.9 12 70 17360 260 23 22.7 4.0 | 191 24 4.4 23.4 13 50 19400 235 19 15.6 10.9 | 175 30 -2.7 30.3 14 30 22440 250 31 29.1 10.6 | 200 32 10.9 30.0 Wind Parameters Mean winds (0-6000m): 286.7 at 35.5 knts Storm direction: 316.7 at 26.6 knts Shear (0-3000m) pos: 1.2 neg: 5.5 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 110.5 deg Storm rel helicity (0-3000m) pos: 91.3 neg: 0.0 tot: 91.3 m^2/s^2 ave: 30.4 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 4.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.20 Bulk Shear: 101.45 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 ------------------------------------------------------------------------------- 500 297 8 145 19| 0.0 10.8 10.8| 31.8 0.0 31.8 63.6 0.61| 11.3 6.9 1000 295 12 153 16| 3.5 5.4 8.9| 45.2 0.0 45.2 45.2 0.59| 9.2 5.4 1500 297 15 160 13| 2.4 5.7 8.1| 58.8 0.0 58.8 39.2 0.66| 8.4 5.6 2000 295 19 173 12| 1.8 5.9 7.7| 72.6 0.0 72.6 36.3 0.67| 8.0 5.4 2500 292 22 191 11| 1.4 6.1 7.5| 83.3 0.0 83.3 33.3 0.62| 7.8 4.8 3000 290 25 204 12| 1.2 5.5 6.7| 91.3 0.0 91.3 30.4 0.61| 6.9 4.2 4000 288 29 222 14| 0.9 4.7 5.5|107.1 0.0 107.1 26.8 0.61| 5.7 3.5 5000 287 33 234 16| 0.7 4.1 4.8|120.8 0.0 120.8 24.2 0.60| 5.0 3.0 6000 287 35 240 18| 0.6 3.4 4.0|120.8 0.0 120.8 20.1 0.60| 4.1 2.5 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251210.00.gif