UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 21 OCT 25 Station: U1946 WMO ident: 21946 Latitude: 70.62 Longitude: 147.90 ------------------------------------------------------------------------------- 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 1011 44 -7.5 -8.5 93 1.0 -7.8 360 9 264.8 265.1 264.7 270.1 1.99 1 1009 59 -5.9 -8.2 84 2.3 -6.6 357 9 266.6 266.9 266.1 272.1 2.04 2 1000 129 -6.7 -9.1 83 2.4 -7.4 345 11 266.5 266.8 265.8 271.6 1.92 3 925 735 -9.7 -12.0 83 2.3 -10.3 10 15 269.4 269.7 267.3 273.9 1.64 4 906 895 -10.7 -12.7 85 2.0 -11.2 12 15 270.0 270.2 267.6 274.4 1.59 5 850 1382 -14.5 -16.4 85 1.9 -14.9 20 15 271.0 271.2 267.7 274.5 1.25 6 700 2824 -25.1 -27.4 81 2.3 -25.4 35 13 274.7 274.8 268.9 276.4 0.58 7 693 2897 -25.9 -28.2 81 2.3 -26.2 34 14 274.6 274.7 268.8 276.2 0.54 8 685 2981 -23.3 -25.4 83 2.1 -23.6 33 14 278.4 278.5 271.4 280.5 0.71 9 682 3013 -23.3 -25.5 82 2.2 -23.6 33 14 278.8 278.9 271.6 280.9 0.70 10 542 4664 -31.1 -39.1 45 8.0 -31.7 16 27 288.4 288.4 276.2 289.2 0.24 11 521 4942 -32.9 -40.9 45 8.0 -33.5 13 29 289.5 289.5 276.7 290.2 0.21 12 500 5230 -34.9 -42.9 44 8.0 -35.4 10 31 290.5 290.5 277.2 291.1 0.17 13 400 6760 -43.9 -50.9 46 7.0 -44.2 15 42 297.9 298.0 280.6 298.3 0.09 14 349 7663 -50.1 -56.1 49 6.0 -50.3 17 44 301.4 301.4 282.0 301.6 0.05 15 300 8640 -54.9 -60.9 47 6.0 -55.0 20 46 308.0 308.0 284.6 308.1 0.04 16 279 9104 -56.9 -62.9 47 6.0 -57.0 20 47 311.5 311.5 285.9 311.7 0.03 17 256 9650 -57.9 -63.9 46 6.0 -58.0 20 48 317.8 317.8 288.1 317.9 0.03 18 250 9800 -57.7 -63.7 46 6.0 -57.8 20 48 320.3 320.3 288.9 320.4 0.03 19 231 10298 -57.7 -63.7 46 6.0 -57.8 20 43 327.6 327.6 291.0 327.7 0.03 20 203 11124 -52.1 -58.1 48 6.0 -52.3 20 36 348.8 348.8 296.4 349.1 0.07 21 200 11220 -52.5 -58.5 48 6.0 -52.7 20 35 349.6 349.6 296.6 349.9 0.07 22 150 13080 -50.7 -58.7 38 8.0 -51.1 20 19 382.7 382.7 302.8 383.1 0.09 23 100 15720 -51.3 -62.3 26 11.0 -51.9 20 11 428.6 428.6 308.7 429.1 0.09 24 70 18020 -53.1 -65.1 22 12.0 -53.8 60 7 470.8 470.8 312.7 471.3 0.09 25 67 18303 -53.3 -65.3 22 12.0 -54.1 68 7 476.3 476.3 313.2 476.8 0.09 26 54 19689 -56.1 -69.1 18 13.0 -56.8 110 5 500.1 500.2 315.0 500.5 0.06 27 50 20180 -55.5 -69.5 16 14.0 -56.3 125 5 512.7 512.7 315.8 513.1 0.07 28 47 20574 -55.7 -69.7 16 14.0 -56.5 521.4 521.4 316.4 521.8 0.07 29 40 21602 -55.5 -69.5 16 14.0 -56.5 546.5 546.5 317.9 547.0 0.08 30 31 23231 -54.3 -69.3 14 15.0 -55.7 591.0 591.1 320.2 591.8 0.11 TRP 256 9650 -57.9 -63.9 46 6.0 -58.0 20 48 317.8 317.8 288.1 317.9 0.03 WND Sounding variables and indices 1000-500 mb thick: 5101.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 72.60 % Est. max temperature: -1.54 C = 29.23 F Sfc-Lift cond lev (LCL): 994.84 mb = 169.22 m = 555.16 ft T: -6.90 C 700-500 lapse rate: 4.07 C/km ThetaE index: 0.43 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 894.52 mb = 992.30 m = 3255.53 ft Mean mixing ratio: 1.78 g/kg Conv temperature: -2.14 C = 28.15 F Cap Strength: 14.07 C Lifted Index: 14.68 C Risk: None Lifted Index @300 mb: 24.88 C Lifted Index @700 mb: 3.06 C Showalter Index: 13.39 C Risk: None Total Totals Index: 38.90 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 18.50 C K Index: 1.70 Risk: None Sweat Index: 61.00 Risk: None Energy Index: 3.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.35 J/kg Max Up Vert Vel: 3.83 m/s Conv Inhibition (B-): 46736.95 J/kg Cap Strength: 14.55 C Lift Cond Lev (LCL): 925.02 mb = 734.86 m = 2410.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 46 at 15 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 1011 44 360 9 -0.0 -9.0 | 263 11 10.8 1.4 1 1000 129 345 11 2.8 -10.6 | 271 14 13.7 -0.2 2 925 735 10 15 -2.6 -14.8 | 298 9 8.2 -4.4 3 850 1382 20 15 -5.1 -14.1 | 303 7 5.7 -3.7 4 700 2824 35 13 -7.5 -10.6 | 274 3 3.3 -0.3 5 500 5230 10 31 -5.4 -30.5 | 345 21 5.4 -20.1 6 400 6760 15 42 -10.9 -40.6 | 0 30 -0.1 -30.2 7 300 8640 20 46 -15.7 -43.2 | 9 33 -4.9 -32.8 8 256 9650 20 48 -16.4 -45.1 | 9 35 -5.6 -34.7 9 250 9800 20 48 -16.4 -45.1 | 9 35 -5.6 -34.7 10 200 11220 20 35 -12.0 -32.9 | 3 23 -1.2 -22.5 11 150 13080 20 19 -6.5 -17.9 | 330 9 4.3 -7.5 12 100 15720 20 11 -3.8 -10.3 | 269 7 7.0 0.1 13 70 18020 60 7 -6.1 -3.5 | 215 8 4.7 6.9 14 50 20180 125 5 -4.1 2.9 | 207 15 6.7 13.3 Wind Parameters Mean winds (0-6000m): 16.1 at 20.0 knts Storm direction: 46.1 at 15.0 knts Shear (0-3000m) pos: 1.5 neg: 0.0 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 41.0 deg Storm rel helicity (0-3000m) pos: 24.9 neg: -2.5 tot: 22.4 m^2/s^2 ave: 7.5 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.56 Bulk Shear: 13.14 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 ------------------------------------------------------------------------------- 500 354 12 277 12| 4.9 0.0 4.9| 17.3 0.0 17.3 34.7 0.70| 7.9 5.5 1000 3 13 286 10| 3.4 0.0 3.4| 22.9 0.0 22.9 22.9 0.67| 5.8 3.9 1500 9 14 291 9| 2.5 0.0 2.5| 23.5 -0.2 23.3 15.6 0.59| 4.5 2.7 2000 13 14 293 8| 1.9 0.0 1.9| 23.5 -1.0 22.5 11.2 0.49| 3.8 1.8 2500 16 14 294 8| 1.5 0.0 1.5| 23.5 -2.0 21.5 8.6 0.39| 3.3 1.3 3000 19 14 294 7| 1.5 0.0 1.5| 24.9 -2.5 22.4 7.5 0.40| 3.1 1.3 4000 21 15 304 6| 1.1 1.0 2.2| 30.4 -2.5 27.9 7.0 0.42| 3.4 1.4 5000 18 17 318 8| 0.9 1.7 2.6| 30.9 -4.8 26.2 5.2 0.31| 3.6 1.1 6000 16 20 329 10| 1.0 1.7 2.7| 52.9 -6.1 46.7 7.8 0.33| 3.7 1.2 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251021.00.gif