UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102800.upa.cvt Date: 0000Z 28 OCT 25 Searching for U4507... Searching the city database file for: U4507 ... Date:0000Z 28 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 ------------------------------------------------------------------------------- 0 1000 -16 SFC 974 192 -4.5 -7.8 78 3.3 -5.5 150 1 270.7 271.0 269.1 276.6 2.18 2 933 532 -4.3 -6.9 82 2.6 -5.2 262 4 274.2 274.6 271.7 281.0 2.44 3 925 600 -4.9 -7.6 81 2.7 -5.8 285 5 274.3 274.7 271.6 280.8 2.33 4 850 1256 -9.5 -13.0 76 3.5 -10.5 300 9 276.2 276.5 271.6 280.9 1.65 5 803 1690 -12.9 -15.2 83 2.3 -13.5 303 10 277.1 277.3 271.9 281.3 1.46 6 795 1766 -11.5 -14.0 82 2.5 -12.2 303 10 279.4 279.7 273.5 284.1 1.63 7 793 1785 -12.7 -15.1 82 2.4 -13.3 304 10 278.3 278.6 272.6 282.6 1.49 8 700 2722 -18.5 -21.5 77 3.0 -19.1 310 11 282.0 282.2 274.0 284.9 0.98 9 665 3104 -21.1 -24.0 77 2.9 -21.6 315 11 283.2 283.4 274.4 285.7 0.83 10 532 4715 -33.9 -37.3 71 3.4 -34.2 339 9 286.6 286.6 275.4 287.5 0.29 11 500 5150 -35.5 -38.9 71 3.4 -35.8 345 9 289.8 289.8 277.0 290.6 0.26 12 490 5290 -36.1 -39.5 71 3.4 -36.4 350 9 290.7 290.7 277.4 291.5 0.25 13 400 6660 -47.5 -51.2 66 3.7 -47.6 40 7 293.3 293.3 278.4 293.6 0.09 14 399 6677 -47.7 -51.4 66 3.7 -47.8 40 7 293.2 293.2 278.4 293.5 0.08 15 315 8217 -54.9 -59.2 59 4.3 -55.0 20 11 303.7 303.7 283.0 303.8 0.04 16 311 8299 -55.1 -59.4 59 4.3 -55.2 19 10 304.5 304.5 283.2 304.7 0.04 17 300 8530 -54.1 -58.6 58 4.5 -54.2 15 9 309.1 309.1 285.1 309.3 0.05 18 250 9710 -50.9 -55.9 55 5.0 -51.1 340 5 330.4 330.4 291.9 330.7 0.08 19 225 10394 -49.9 -55.9 49 6.0 -50.1 333 7 342.0 342.1 294.9 342.4 0.09 20 200 11160 -50.9 -57.9 43 7.0 -51.1 325 9 352.2 352.2 297.2 352.5 0.08 21 150 13020 -53.7 -62.7 32 9.0 -54.0 310 11 377.5 377.6 301.9 377.8 0.06 22 100 15610 -57.7 -68.7 23 11.0 -58.0 310 13 416.2 416.3 307.3 416.4 0.04 23 70 17840 -60.7 -71.7 22 11.0 -61.0 275 13 454.5 454.5 311.3 454.7 0.03 24 50 19920 -63.9 -74.9 21 11.0 -64.2 275 15 492.9 492.9 314.4 493.1 0.03 25 47 20298 -65.3 -77.3 17 12.0 -65.5 278 22 498.3 498.4 314.8 498.5 0.02 26 30 23040 -64.5 -76.5 18 12.0 -65.0 300 69 568.8 568.8 319.1 569.1 0.04 27 29 23247 -64.5 -76.5 18 12.0 -65.0 574.3 574.4 319.4 574.6 0.04 28 27 23686 -62.8 -74.8 18 12.0 -63.4 300 83 590.9 590.9 320.2 591.3 0.06 29 23 24682 -59.1 -71.1 20 12.0 -60.2 629.6 629.6 321.9 630.5 0.11 TRP 315 8217 -54.9 -59.2 59 4.3 -55.0 20 11 303.7 303.7 283.0 303.8 0.04 WND 27 23686 -62.8 -74.8 18 12.0 -63.4 300 83 590.9 590.9 320.2 591.3 0.06 Sounding variables and indices 1000-500 mb thick: 5166.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 76.82 % Est. max temperature: 1.47 C = 34.64 F Sfc-Lift cond lev (LCL): 924.45 mb = 604.62 m = 1983.65 ft T: -4.93 C 700-500 lapse rate: 7.00 C/km ThetaE index: 1.48 C Layer 793.0- 700.0 mb Conv cond level (CCL): 851.46 mb = 1242.64 m = 4076.86 ft Mean mixing ratio: 2.20 g/kg Conv temperature: 0.93 C = 33.68 F Cap Strength: 6.10 C Lifted Index: 8.43 C Risk: None Lifted Index @300 mb: 20.65 C Lifted Index @700 mb: 4.16 C Showalter Index: 7.72 C Risk: None Total Totals Index: 48.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.00 C Cross Totals Index: 22.50 C K Index: 10.00 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 2.01 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.75 J/kg Max Up Vert Vel: 5.96 m/s Conv Inhibition (B-): 43693.78 J/kg Cap Strength: 8.31 C Lift Cond Lev (LCL): 881.14 mb = 976.86 m = 3204.87 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 353 at 7 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 ---------------------------------------------------------- 0 974 192 150 1 -0.5 0.9 | 170 8 -1.4 7.5 1 925 600 285 5 4.8 -1.3 | 216 7 4.0 5.4 2 850 1256 300 9 7.8 -4.5 | 253 7 6.9 2.1 3 700 2722 310 11 8.4 -7.1 | 273 8 7.6 -0.4 4 500 5150 345 9 2.3 -8.7 | 325 3 1.5 -2.0 5 400 6660 40 7 -4.5 -5.4 | 103 6 -5.4 1.3 6 315 8217 20 11 -3.8 -10.3 | 51 6 -4.6 -3.7 7 300 8530 15 9 -2.3 -8.7 | 57 4 -3.2 -2.0 8 250 9710 340 5 1.7 -4.7 | 203 2 0.8 1.9 9 200 11160 325 9 5.2 -7.4 | 280 4 4.3 -0.7 10 150 13020 310 11 8.4 -7.1 | 273 8 7.6 -0.4 11 100 15610 310 13 10.0 -8.4 | 281 9 9.1 -1.7 12 70 17840 275 13 13.0 -1.1 | 245 13 12.1 5.5 13 50 19920 275 15 14.9 -1.3 | 249 15 14.1 5.3 14 30 23040 300 69 59.8 -34.5 | 295 65 58.9 -27.9 Wind Parameters Mean winds (0-6000m): 322.5 at 8.9 knts Storm direction: 352.5 at 6.7 knts Shear (0-3000m) pos: 2.0 neg: 0.0 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 110.0 deg Storm rel helicity (0-3000m) pos: 29.4 neg: 0.0 tot: 29.4 m^2/s^2 ave: 9.8 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.85 Bulk Shear: 6.23 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 ------------------------------------------------------------------------------- 500 279 3 202 7| 6.5 0.0 6.5| 15.9 0.0 15.9 31.7 0.86| 8.9 7.6 1000 290 5 220 6| 4.9 0.0 4.9| 21.9 0.0 21.9 21.9 0.89| 6.2 5.5 1500 296 7 233 6| 3.6 0.0 3.6| 24.2 0.0 24.2 16.2 0.90| 4.5 4.1 2000 299 7 242 6| 2.9 0.0 2.9| 26.0 0.0 26.0 13.0 0.91| 3.6 3.3 2500 302 8 248 6| 2.4 0.0 2.4| 27.8 0.0 27.8 11.1 0.91| 3.1 2.8 3000 304 9 253 6| 2.0 0.0 2.0| 29.4 0.0 29.4 9.8 0.89| 2.8 2.5 4000 310 9 261 6| 1.4 0.0 1.4| 31.6 0.0 31.6 7.9 0.85| 2.5 2.1 5000 315 9 268 6| 1.0 0.0 1.0| 33.2 0.0 33.2 6.6 0.83| 2.2 1.8 6000 323 9 276 5| 0.7 0.0 0.7| 36.2 0.0 36.2 6.0 0.83| 2.3 1.9 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251028.00.gif