UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for U4507... Searching the city database file for: U4507 ... Date:1200Z 16 APR 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 -1 SFC 976 191 -2.5 -8.5 63 6.0 -4.4 190 9 272.5 272.9 270.1 278.2 2.06 2 925 612 -7.1 -12.1 67 5.0 -8.5 200 21 272.0 272.3 269.0 276.6 1.63 3 850 1257 -12.1 -15.8 74 3.7 -13.0 215 38 273.5 273.7 269.4 277.2 1.31 4 845 1302 -12.5 -16.1 74 3.6 -13.3 216 38 273.5 273.7 269.4 277.2 1.29 5 728 2433 -19.5 -23.1 73 3.6 -20.1 231 34 277.8 277.9 271.2 280.2 0.82 6 700 2726 -19.5 -23.2 72 3.7 -20.1 235 33 280.9 281.0 273.1 283.4 0.84 7 672 3029 -18.9 -22.2 75 3.3 -19.6 242 35 284.9 285.0 275.5 287.8 0.96 8 510 5039 -29.1 -32.8 70 3.7 -29.5 287 47 295.9 296.0 280.2 297.4 0.47 9 500 5180 -30.3 -33.9 71 3.6 -30.7 290 48 296.1 296.2 280.3 297.5 0.43 10 400 6740 -41.1 -44.8 67 3.7 -41.3 285 58 301.6 301.6 282.3 302.2 0.18 11 370 7267 -44.3 -48.3 64 4.0 -44.5 288 61 304.1 304.1 283.2 304.6 0.13 12 315 8325 -53.1 -57.4 59 4.3 -53.2 295 66 306.2 306.2 284.0 306.4 0.05 13 304 8555 -53.2 -57.6 59 4.4 -53.4 295 68 309.1 309.1 285.1 309.3 0.05 14 300 8640 -53.3 -57.7 59 4.4 -53.4 295 66 310.2 310.2 285.5 310.4 0.05 15 261 9533 -51.7 -56.2 58 4.5 -51.8 295 54 325.2 325.2 290.4 325.5 0.07 16 250 9810 -51.9 -56.7 56 4.8 -52.0 295 50 328.9 328.9 291.5 329.2 0.07 17 225 10493 -53.5 -58.5 54 5.0 -53.7 293 49 336.5 336.5 293.5 336.8 0.06 18 200 11260 -49.7 -55.7 49 6.0 -50.0 290 48 354.1 354.1 297.6 354.5 0.10 19 168 12411 -46.1 -54.1 40 8.0 -46.6 296 39 378.2 378.2 302.1 378.8 0.15 20 159 12776 -48.5 -57.5 34 9.0 -49.0 298 36 380.1 380.1 302.3 380.6 0.10 21 150 13160 -47.7 -57.7 31 10.0 -48.3 300 33 387.9 387.9 303.5 388.4 0.11 22 100 15840 -46.7 -62.7 15 16.0 -47.8 275 27 437.5 437.5 309.7 437.9 0.08 23 79 17390 -49.1 -66.1 12 17.0 -50.2 275 18 463.0 463.1 312.1 463.4 0.07 24 75 17733 -45.7 -63.7 11 18.0 -47.3 275 16 477.1 477.1 313.2 477.7 0.10 25 70 18190 -46.9 -65.9 10 19.0 -48.5 275 13 484.1 484.1 313.8 484.5 0.08 26 50 20410 -49.9 -69.9 8 20.0 -51.5 290 17 525.9 525.9 316.7 526.3 0.06 27 46 20954 -51.3 -71.3 7 20.0 -52.8 289 16 535.2 535.2 317.2 535.6 0.06 28 36 22559 -48.5 -69.5 7 21.0 -50.9 287 13 581.3 581.3 319.8 582.0 0.09 29 31 23537 -51.7 -72.7 6 21.0 -53.7 285 11 598.1 598.1 320.5 598.6 0.07 30 30 23750 -51.5 -72.5 6 21.0 -53.6 285 11 604.2 604.3 320.8 604.8 0.07 31 20 26380 -51.7 -73.7 5 22.0 -54.5 285 21 677.9 678.0 323.7 678.7 0.09 32 14 28700 -50.5 -72.5 6 22.0 -54.5 754.8 754.9 326.1 756.2 0.15 TRP 315 8325 -53.1 -57.4 59 4.3 -53.2 295 66 306.2 306.2 284.0 306.4 0.05 WND 304 8555 -53.2 -57.6 59 4.4 -53.4 295 68 309.1 309.1 285.1 309.3 0.05 Sounding variables and indices 1000-500 mb thick: 5181.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 72.11 % Est. max temperature: -0.88 C = 30.42 F Sfc-Lift cond lev (LCL): 887.94 mb = 923.89 m = 3031.09 ft T: -9.52 C 700-500 lapse rate: 4.40 C/km ThetaE index: 1.63 C Layer 925.0- 850.0 mb Conv cond level (CCL): 836.54 mb = 1378.68 m = 4523.18 ft Mean mixing ratio: 1.68 g/kg Conv temperature: -1.24 C = 29.77 F Cap Strength: 15.85 C Lifted Index: 15.91 C Risk: None Lifted Index @300 mb: 23.50 C Lifted Index @700 mb: 5.35 C Showalter Index: 15.82 C Risk: None Total Totals Index: 32.70 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: 14.50 C K Index: -1.30 Risk: None Sweat Index: 269.74 Risk: None Energy Index: 4.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.64 J/kg Max Up Vert Vel: 1.81 m/s Conv Inhibition (B-): 71092.34 J/kg Cap Strength: 15.87 C Lift Cond Lev (LCL): 854.56 mb = 1216.19 m = 3990.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 287 at 29 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 ---------------------------------------------------------- 0 976 191 190 9 1.6 8.9 | 123 31 -26.0 17.1 1 925 612 200 21 7.2 19.7 | 144 35 -20.3 27.9 2 850 1257 215 38 21.8 31.1 | 172 40 -5.7 39.3 3 700 2726 235 33 27.0 18.9 | 179 27 -0.5 27.1 4 500 5180 290 48 45.1 -16.4 | 295 19 17.6 -8.2 5 400 6740 285 58 56.0 -15.0 | 283 29 28.5 -6.8 6 315 8325 295 66 59.8 -27.9 | 301 38 32.3 -19.7 7 304 8555 295 68 61.6 -28.7 | 301 40 34.1 -20.5 8 300 8640 295 66 59.8 -27.9 | 301 38 32.3 -19.7 9 250 9810 295 50 45.3 -21.1 | 306 22 17.8 -12.9 10 200 11260 290 48 45.1 -16.4 | 295 19 17.6 -8.2 11 150 13160 300 33 28.6 -16.5 | 353 8 1.1 -8.3 12 100 15840 275 27 26.9 -2.4 | 174 6 -0.6 5.9 13 70 18190 275 13 13.0 -1.1 | 116 16 -14.6 7.1 14 50 20410 290 17 16.0 -5.8 | 102 12 -11.5 2.4 15 30 23750 285 11 10.6 -2.8 | 108 18 -16.9 5.4 16 20 26380 285 21 20.3 -5.4 | 111 8 -7.2 2.8 Wind Parameters Mean winds (0-6000m): 256.6 at 38.3 knts Storm direction: 286.6 at 28.7 knts Shear (0-3000m) pos: 5.4 neg: 0.0 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 69.0 deg Storm rel helicity (0-3000m) pos: 357.6 neg: 0.0 tot: 357.6 m^2/s^2 ave: 119.2 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 6.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.01 Bulk Shear: 143.73 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 ------------------------------------------------------------------------------- 500 198 16 136 33| 14.8 0.0 14.8|121.7 0.0 121.7 243.4 0.96| 14.9 14.3 1000 205 23 149 34| 14.5 0.0 14.5|258.7 0.0 258.7 258.7 0.96| 14.9 14.3 1500 211 28 157 35| 10.0 0.0 10.0|295.4 0.0 295.4 196.9 0.90| 12.0 10.8 2000 215 30 162 34| 7.3 0.0 7.3|309.0 0.0 309.0 154.5 0.84| 10.1 8.5 2500 218 31 165 33| 5.6 0.0 5.6|317.3 0.0 317.3 126.9 0.78| 9.0 7.0 3000 222 31 168 32| 5.4 0.0 5.4|357.6 0.0 357.6 119.2 0.79| 8.7 6.9 4000 233 33 177 28| 5.3 0.0 5.3|437.7 0.0 437.7 109.4 0.82| 8.7 7.1 5000 246 36 193 23| 5.2 0.0 5.2|520.7 0.0 520.7 104.1 0.85| 8.8 7.5 6000 257 38 210 20| 4.3 0.6 4.9|520.7 -18.7 502.0 83.7 0.75| 8.0 6.0 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20250416.12.gif