UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for U4507... Searching the city database file for: U4507 ... Date:1200Z 27 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 118 360 1 SFC 991 191 2.0 -14.0 29 16.0 -2.7 360 1 275.9 276.1 270.9 279.6 1.30 2 925 743 -4.3 -19.3 30 15.0 -7.9 35 5 274.9 275.1 269.6 277.5 0.90 3 850 1395 -10.7 -22.7 37 12.0 -13.0 25 7 274.9 275.1 269.4 277.1 0.73 4 826 1614 -12.5 -23.5 39 11.0 -14.6 15 8 275.3 275.4 269.5 277.4 0.70 5 776 2090 -13.9 -21.9 51 8.0 -15.5 355 9 278.8 278.9 271.9 281.3 0.85 6 713 2730 -16.5 -30.5 29 14.0 -18.6 326 11 282.7 282.8 273.5 284.0 0.42 7 712 2740 -16.7 -30.7 29 14.0 -18.8 326 11 282.6 282.7 273.4 283.9 0.42 8 700 2868 -17.5 -29.5 34 12.0 -19.3 320 11 283.1 283.2 273.8 284.6 0.47 9 618 3786 -24.3 -35.3 35 11.0 -25.5 313 12 285.6 285.6 274.9 286.6 0.31 10 500 5300 -33.1 -41.1 45 8.0 -33.7 300 15 292.7 292.7 278.3 293.4 0.21 11 400 6840 -41.7 -55.7 20 14.0 -42.2 290 31 300.8 300.8 281.7 301.0 0.05 12 399 6857 -41.9 -55.9 20 14.0 -42.4 290 31 300.7 300.8 281.7 300.9 0.05 13 339 7951 -48.3 -62.3 18 14.0 -48.6 290 42 306.4 306.4 284.0 306.5 0.03 14 300 8760 -47.7 -61.7 18 14.0 -48.0 290 40 318.1 318.1 288.2 318.2 0.03 15 250 9960 -45.9 -62.9 13 17.0 -46.4 295 38 337.8 337.8 293.8 338.0 0.03 16 200 11450 -45.9 -64.9 10 19.0 -46.6 300 33 360.1 360.1 298.7 360.2 0.03 17 173 12414 -45.3 -66.3 8 21.0 -46.2 300 29 376.3 376.3 301.6 376.5 0.03 18 150 13360 -46.7 -68.7 6 22.0 -47.6 300 25 389.6 389.6 303.8 389.7 0.02 19 107 15579 -50.5 -72.5 6 22.0 -51.3 304 17 421.9 421.9 307.9 422.0 0.02 20 100 16020 -50.5 -72.5 6 22.0 -51.4 305 15 430.2 430.2 308.9 430.3 0.02 21 70 18340 -50.9 -73.9 5 23.0 -52.0 300 9 475.5 475.5 313.1 475.6 0.02 22 60 19347 -51.9 -73.9 5 22.0 -53.1 327 8 494.7 494.7 314.6 494.9 0.03 23 50 20540 -49.5 -72.5 5 23.0 -51.2 360 7 526.8 526.8 316.8 527.1 0.04 24 48 20806 -48.7 -71.7 5 23.0 -50.6 3 7 534.9 534.9 317.2 535.2 0.05 25 30 23860 -51.3 -74.3 5 23.0 -53.5 35 5 604.8 604.8 320.9 605.2 0.05 26 21 26182 -51.5 -74.5 5 23.0 -54.3 35 7 669.1 669.2 323.4 669.8 0.08 27 20 26500 -50.5 -74.5 4 24.0 -53.7 35 7 681.6 681.6 323.9 682.3 0.08 28 10 31087 -43.9 -69.9 4 26.0 -51.8 855.7 855.8 328.6 859.0 0.31 TRP 339 7951 -48.3 -62.3 18 14.0 -48.6 290 42 306.4 306.4 284.0 306.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5182.00 m Freezing level: 970.05 mb = 366.39 m = 1202.06 ft Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 37.33 % Est. max temperature: 1.21 C = 34.18 F Sfc-Lift cond lev (LCL): 771.33 mb = 2135.64 m = 7006.61 ft T: -14.09 C 700-500 lapse rate: 6.41 C/km ThetaE index: 2.54 C Layer 925.0- 826.0 mb Conv cond level (CCL): 643.95 mb = 3483.15 m = 11427.52 ft Mean mixing ratio: 1.01 g/kg Conv temperature: 10.89 C = 51.61 F Cap Strength: 7.61 C Lifted Index: 12.23 C Risk: None Lifted Index @300 mb: 28.33 C Lifted Index @700 mb: 6.56 C Showalter Index: 13.11 C Risk: None Total Totals Index: 32.80 C Risk: None Vertical Totals Index: 22.40 C Cross Totals Index: 10.40 C K Index: -12.30 Risk: None Sweat Index: 29.00 Risk: None Energy Index: 3.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.86 J/kg Max Up Vert Vel: 3.96 m/s Conv Inhibition (B-): 75836.94 J/kg Cap Strength: 12.17 C Lift Cond Lev (LCL): 742.06 mb = 2428.01 m = 7965.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 346 at 9 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 ---------------------------------------------------------- 0 991 191 360 1 -0.0 -1.0 | 164 8 -2.1 7.3 1 925 743 35 5 -2.9 -4.1 | 131 7 -4.9 4.2 2 850 1395 25 7 -3.0 -6.3 | 112 5 -5.0 2.0 3 700 2868 320 11 7.1 -8.4 | 271 5 5.0 -0.1 4 500 5300 300 15 13.0 -7.5 | 266 11 10.9 0.8 5 400 6840 290 31 29.1 -10.6 | 275 27 27.1 -2.3 6 339 7951 290 42 39.5 -14.4 | 279 38 37.4 -6.0 7 300 8760 290 40 37.6 -13.7 | 279 36 35.5 -5.3 8 250 9960 295 38 34.4 -16.1 | 283 33 32.4 -7.7 9 200 11450 300 33 28.6 -16.5 | 287 28 26.5 -8.2 10 150 13360 300 25 21.7 -12.5 | 282 20 19.6 -4.2 11 100 16020 305 15 12.3 -8.6 | 271 10 10.2 -0.3 12 70 18340 300 9 7.8 -4.5 | 236 7 5.7 3.8 13 50 20540 360 7 -0.0 -7.0 | 123 2 -2.1 1.3 14 30 23860 35 5 -2.9 -4.1 | 131 7 -4.9 4.2 15 20 26500 35 7 -4.0 -5.7 | 113 7 -6.1 2.6 Wind Parameters Mean winds (0-6000m): 316.1 at 11.5 knts Storm direction: 346.1 at 8.6 knts Shear (0-3000m) pos: 0.7 neg: 1.9 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 107.1 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -13.2 tot: -13.1 m^2/s^2 ave: -4.4 10^-3 m/s^2 rel: -0.63 Storm rel vorticity (0-3000m) horiz: 3.2 stream: -2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.50 Bulk Shear: 15.86 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 29 3 150 7| 3.9 0.0 3.9| 0.0 -5.7 -5.7 -11.4 -0.84| 4.1 -3.4 1000 30 4 138 6| 2.0 0.9 2.9| 0.0 -8.5 -8.5 -8.5 -0.86| 3.0 -2.6 1500 26 5 130 6| 1.3 1.3 2.6| 0.0 -10.5 -10.5 -7.0 -0.77| 2.9 -2.3 2000 17 6 124 5| 1.0 1.7 2.7| 0.0 -11.5 -11.5 -5.7 -0.70| 3.1 -2.2 2500 4 7 122 3| 0.8 1.9 2.7| 0.0 -12.5 -12.5 -5.0 -0.68| 3.3 -2.3 3000 352 8 133 1| 0.7 1.9 2.6| 0.0 -13.2 -13.1 -4.4 -0.63| 3.2 -2.0 4000 336 9 256 1| 0.5 1.7 2.2| 0.0 -13.5 -13.5 -3.4 -0.57| 2.7 -1.5 5000 325 10 266 4| 0.4 1.6 2.0| 0.0 -15.1 -15.1 -3.0 -0.53| 2.4 -1.3 6000 316 11 269 6| 0.3 2.2 2.5| 8.4 -15.3 -7.0 -1.2 -0.31| 2.8 -0.9 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20250427.12.gif