UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100812.upa.cvt Date: 1200Z 8 OCT 25 Searching for U4507... Searching the city database file for: U4507 ... Date:1200Z 8 OCT 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 1013 191 -1.7 -6.0 72 4.3 -3.1 340 3 270.4 270.8 269.3 277.0 2.41 1 1000 294 -2.1 -6.9 70 4.8 -3.7 10 9 271.0 271.4 269.5 277.3 2.27 2 925 908 -6.9 -10.6 75 3.7 -7.9 30 13 272.3 272.6 269.5 277.4 1.84 3 850 1552 -11.5 -15.4 73 3.9 -12.5 35 9 274.1 274.3 269.9 278.0 1.36 4 785 2161 -16.7 -19.8 77 3.1 -17.3 43 10 274.8 275.0 269.8 277.8 1.01 5 766 2347 -16.7 -19.6 78 2.9 -17.3 46 10 276.8 276.9 271.1 279.8 1.05 6 734 2670 -16.5 -21.5 65 5.0 -17.5 50 11 280.4 280.5 273.0 283.2 0.93 7 700 3027 -19.5 -27.5 49 8.0 -20.7 55 11 280.9 281.0 272.7 282.6 0.57 8 687 3165 -20.5 -29.5 44 9.0 -21.8 56 11 281.3 281.4 272.8 282.8 0.48 9 660 3459 -23.1 -31.1 48 8.0 -24.1 59 12 281.6 281.7 272.9 282.9 0.43 10 587 4308 -27.1 -33.1 57 6.0 -27.8 68 15 286.5 286.6 275.5 287.8 0.40 11 500 5440 -35.7 -40.1 64 4.4 -36.0 80 19 289.5 289.6 276.8 290.3 0.23 12 400 6970 -44.9 -49.5 60 4.6 -45.1 95 27 296.6 296.7 280.0 297.0 0.10 13 304 8737 -57.5 -62.0 56 4.5 -57.6 95 31 303.1 303.1 282.7 303.3 0.03 14 300 8820 -58.1 -62.6 56 4.5 -58.2 95 31 303.4 303.5 282.8 303.6 0.03 15 255 9846 -62.5 -66.9 55 4.4 -62.6 100 35 311.4 311.4 285.8 311.5 0.02 16 250 9970 -61.5 -65.8 56 4.3 -61.6 95 33 314.6 314.6 287.0 314.7 0.02 17 215 10919 -55.7 -60.0 59 4.3 -55.8 81 24 337.5 337.5 293.7 337.7 0.05 18 208 11130 -55.5 -59.8 59 4.3 -55.6 79 21 341.0 341.0 294.6 341.3 0.06 19 200 11380 -55.3 -59.8 57 4.5 -55.4 75 19 345.2 345.2 295.6 345.5 0.06 20 161 12765 -51.9 -57.9 48 6.0 -52.1 75 14 373.0 373.0 301.2 373.5 0.10 21 150 13220 -53.1 -60.1 42 7.0 -53.4 75 13 378.6 378.6 302.1 378.9 0.08 22 100 15830 -54.5 -65.5 25 11.0 -54.9 45 7 422.4 422.4 308.0 422.7 0.06 23 70 18110 -55.7 -69.7 16 14.0 -56.3 60 7 465.2 465.2 312.3 465.5 0.05 24 50 20240 -59.5 -74.5 13 15.0 -60.0 25 5 503.3 503.3 315.2 503.5 0.03 25 30 23460 -56.9 -73.9 10 17.0 -58.1 190 9 589.5 589.5 320.2 589.9 0.06 26 20 26040 -54.3 -73.3 8 19.0 -56.5 205 25 670.0 670.0 323.4 670.7 0.09 27 18 26717 -54.7 -73.7 8 19.0 -57.0 209 28 689.2 689.2 324.1 690.0 0.10 28 16 27478 -51.1 -71.1 7 20.0 -54.5 213 31 724.6 724.6 325.3 726.0 0.16 29 10 30570 -46.9 -68.9 6 22.0 -53.2 230 44 844.5 844.7 328.4 848.2 0.36 30 8.9 31346 -44.7 -67.7 6 23.0 -52.4 881.6 881.8 329.1 886.8 0.48 TRP 255 9846 -62.5 -66.9 55 4.4 -62.6 100 35 311.4 311.4 285.8 311.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5146.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 63.67 % Est. max temperature: 1.64 C = 34.94 F Sfc-Lift cond lev (LCL): 946.88 mb = 723.87 m = 2374.88 ft T: -5.46 C 700-500 lapse rate: 6.71 C/km ThetaE index: 0.53 C Layer 700.0- 687.0 mb Conv cond level (CCL): 875.49 mb = 1326.98 m = 4353.55 ft Mean mixing ratio: 2.06 g/kg Conv temperature: 1.33 C = 34.39 F Cap Strength: 8.74 C Lifted Index: 10.33 C Risk: None Lifted Index @300 mb: 18.52 C Lifted Index @700 mb: 5.21 C Showalter Index: 9.81 C Risk: None Total Totals Index: 44.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.20 C Cross Totals Index: 20.30 C K Index: 0.80 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 2.59 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.28 J/kg Max Up Vert Vel: 2.56 m/s Conv Inhibition (B-): 73559.83 J/kg Cap Strength: 10.31 C Lift Cond Lev (LCL): 900.36 mb = 1113.65 m = 3653.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 92 at 10 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 1013 191 340 3 1.0 -2.8 | 286 12 11.2 -3.1 1 1000 294 10 9 -1.6 -8.9 | 317 13 8.6 -9.2 2 925 908 30 13 -6.5 -11.3 | 342 12 3.7 -11.6 3 850 1552 35 9 -5.2 -7.4 | 327 9 5.0 -7.7 4 700 3027 55 11 -9.0 -6.3 | 350 7 1.2 -6.6 5 500 5440 80 19 -18.7 -3.3 | 67 9 -8.5 -3.6 6 400 6970 95 27 -26.9 2.4 | 97 17 -16.7 2.0 7 300 8820 95 31 -30.9 2.7 | 97 21 -20.7 2.4 8 255 9846 100 35 -34.5 6.1 | 103 25 -24.3 5.7 9 250 9970 95 33 -32.9 2.9 | 96 23 -22.7 2.5 10 200 11380 75 19 -18.4 -4.9 | 57 10 -8.1 -5.2 11 150 13220 75 13 -12.6 -3.4 | 32 4 -2.4 -3.7 12 100 15830 45 7 -4.9 -4.9 | 315 7 5.3 -5.3 13 70 18110 60 7 -6.1 -3.5 | 313 6 4.1 -3.8 14 50 20240 25 5 -2.1 -4.5 | 301 9 8.1 -4.9 15 30 23460 190 9 1.6 8.9 | 234 15 11.8 8.5 16 20 26040 205 25 10.6 22.7 | 223 30 20.8 22.3 17 10 30570 230 44 33.7 28.3 | 238 52 43.9 28.0 Wind Parameters Mean winds (0-6000m): 61.8 at 13.6 knts Storm direction: 91.8 at 10.2 knts Shear (0-3000m) pos: 1.9 neg: 0.0 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 69.6 deg Storm rel helicity (0-3000m) pos: 45.6 neg: -7.1 tot: 38.5 m^2/s^2 ave: 12.8 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.26 Bulk Shear: 12.88 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 15 9 321 12| 9.9 0.0 9.9| 31.8 0.0 31.8 63.5 0.99| 10.4 10.4 1000 24 11 330 12| 5.0 0.0 5.0| 37.9 -2.8 35.1 35.1 0.80| 7.1 5.7 1500 27 10 331 11| 2.7 0.0 2.7| 38.4 -7.1 31.3 20.9 0.59| 5.6 3.3 2000 30 10 331 11| 2.3 0.0 2.3| 40.8 -7.1 33.7 16.9 0.60| 4.5 2.7 2500 34 10 333 10| 2.0 0.0 2.0| 43.0 -7.1 35.9 14.4 0.62| 3.9 2.4 3000 37 10 335 9| 1.9 0.0 1.9| 45.6 -7.1 38.5 12.8 0.64| 3.5 2.3 4000 45 11 344 8| 1.9 0.0 1.9| 52.8 -7.1 45.8 11.4 0.70| 3.2 2.2 5000 54 12 357 8| 1.9 0.0 1.9| 61.3 -7.1 54.3 10.9 0.73| 3.0 2.2 6000 62 14 15 7| 2.1 0.0 2.1| 73.1 -7.1 66.0 11.0 0.73| 3.0 2.2 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251008.12.gif