UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 20 APR 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 48 -8.1 -9.8 88 1.7 -8.6 60 9 264.2 264.5 264.0 269.0 1.79 1 1010 56 -4.9 -6.1 91 1.2 -5.3 59 9 267.5 267.9 267.3 273.9 2.39 2 1009 63 -1.5 -4.2 82 2.7 -2.4 58 9 271.0 271.4 270.2 278.5 2.77 3 1000 134 -1.3 -4.9 76 3.6 -2.6 50 7 271.9 272.3 270.6 279.1 2.65 4 950 544 0.2 -6.8 59 7.0 -2.3 347 8 277.4 277.8 273.5 284.2 2.41 5 930 714 -0.5 -8.5 55 8.0 -3.2 322 9 278.4 278.7 273.7 284.5 2.16 6 925 757 -0.7 -8.7 55 8.0 -3.4 315 9 278.6 279.0 273.8 284.7 2.14 7 850 1428 -5.1 -10.1 68 5.0 -6.7 290 11 280.8 281.2 275.0 286.8 2.08 8 848 1447 -5.3 -10.3 68 5.0 -6.9 290 11 280.8 281.1 274.9 286.7 2.06 9 832 1596 -5.7 -8.9 78 3.2 -6.8 292 12 281.9 282.3 275.9 288.6 2.34 10 786 2041 -6.3 -9.8 76 3.5 -7.5 298 14 285.9 286.3 277.9 292.6 2.31 11 700 2938 -11.9 -15.2 76 3.3 -12.8 310 19 289.3 289.6 278.8 294.3 1.67 12 582 4324 -20.9 -24.0 76 3.1 -21.5 299 20 294.5 294.7 280.2 297.5 0.94 13 500 5430 -27.7 -34.7 51 7.0 -28.5 290 21 299.3 299.3 281.6 300.6 0.40 14 472 5843 -30.7 -38.7 45 8.0 -31.4 290 22 300.5 300.6 282.0 301.5 0.28 15 400 7000 -39.7 -53.7 21 14.0 -40.3 290 23 303.4 303.4 282.8 303.6 0.06 16 300 8900 -55.9 -67.9 21 12.0 -56.1 295 19 306.6 306.6 284.0 306.6 0.01 17 267 9632 -61.7 -73.7 19 12.0 -61.8 305 19 308.5 308.5 284.8 308.5 0.01 18 250 10040 -61.9 -73.9 19 12.0 -62.0 295 27 314.0 314.0 286.8 314.1 0.01 19 200 11460 -52.1 -64.1 22 12.0 -52.4 295 27 350.3 350.3 296.7 350.4 0.03 20 150 13340 -49.5 -64.5 16 15.0 -50.1 295 25 384.8 384.8 303.1 385.0 0.04 21 100 15980 -50.5 -69.5 9 19.0 -51.3 295 19 430.2 430.2 308.9 430.3 0.03 22 70 18290 -52.3 -74.3 5 22.0 -53.2 275 7 472.5 472.5 312.8 472.6 0.02 23 50 20480 -51.9 -74.9 5 23.0 -53.2 275 7 521.2 521.2 316.4 521.4 0.03 24 40 21924 -52.5 -76.5 4 24.0 -54.1 554.0 554.0 318.3 554.2 0.03 TRP 267 9632 -61.7 -73.7 19 12.0 -61.8 305 19 308.5 308.5 284.8 308.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5296.00 m Freezing level: Surface below freezing Freezing level: 956.67 mb = 489.10 m = 1604.65 ft Freezing level: 944.29 mb = 592.37 m = 1943.44 ft Wetbulb zero: Below ground Precipitable water: 0.37 inches Sfc-500 mean rel hum: 70.42 % Est. max temperature: 8.20 C = 46.76 F Sfc-Lift cond lev (LCL): 983.82 mb = 264.33 m = 867.20 ft T: -0.82 C 700-500 lapse rate: 6.34 C/km ThetaE index: 0.10 C Layer 848.0- 832.0 mb Conv cond level (CCL): 723.68 mb = 2680.50 m = 8794.19 ft Mean mixing ratio: 2.42 g/kg Conv temperature: 16.08 C = 60.95 F Cap Strength: 11.48 C Lifted Index: 14.35 C Risk: None Lifted Index @300 mb: 17.15 C Lifted Index @700 mb: 9.00 C Showalter Index: 10.95 C Risk: None Total Totals Index: 40.20 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 17.60 C K Index: 9.20 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 2.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.40 J/kg Max Up Vert Vel: 7.92 m/s Conv Inhibition (B-): 39495.52 J/kg Cap Strength: 14.22 C Lift Cond Lev (LCL): 873.75 mb = 1209.33 m = 3967.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 331 at 12 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 48 60 9 -7.8 -4.5 | 115 15 -13.8 6.3 1 1000 134 50 7 -5.4 -4.5 | 119 13 -11.4 6.3 2 925 757 315 9 6.4 -6.4 | 185 4 0.4 4.4 3 850 1428 290 11 10.3 -3.8 | 212 8 4.3 7.0 4 700 2938 310 19 14.6 -12.2 | 279 9 8.6 -1.4 5 500 5430 290 21 19.7 -7.2 | 255 14 13.7 3.6 6 400 7000 290 23 21.6 -7.9 | 259 16 15.6 2.9 7 300 8900 295 19 17.2 -8.0 | 256 12 11.2 2.8 8 267 9632 305 19 15.6 -10.9 | 271 10 9.6 -0.1 9 250 10040 295 27 24.5 -11.4 | 272 18 18.5 -0.6 10 200 11460 295 27 24.5 -11.4 | 272 18 18.5 -0.6 11 150 13340 295 25 22.7 -10.6 | 269 17 16.7 0.2 12 100 15980 295 19 17.2 -8.0 | 256 12 11.2 2.8 13 70 18290 275 7 7.0 -0.6 | 186 10 1.0 10.2 14 50 20480 275 7 7.0 -0.6 | 186 10 1.0 10.2 Wind Parameters Mean winds (0-6000m): 301.0 at 16.5 knts Storm direction: 331.0 at 12.4 knts Shear (0-3000m) pos: 1.5 neg: 3.2 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 163.4 deg Storm rel helicity (0-3000m) pos: 33.7 neg: -3.7 tot: 30.0 m^2/s^2 ave: 10.0 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.80 Bulk Shear: 39.35 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 23 8 112 10| 0.0 10.6 10.6| 5.3 -3.3 2.0 4.0 0.09| 11.2 1.0 1000 342 8 130 4| 0.0 8.2 8.2| 11.9 -3.3 8.6 8.6 0.39| 9.1 3.6 1500 319 9 180 4| 0.0 6.4 6.4| 15.3 -3.3 12.0 8.0 0.41| 7.3 3.0 2000 310 10 202 5| 0.8 4.8 5.6| 21.6 -3.3 18.3 9.1 0.48| 6.2 3.0 2500 308 11 216 5| 1.3 3.8 5.1| 28.2 -3.3 24.9 9.9 0.54| 5.6 3.1 3000 308 12 230 5| 1.5 3.2 4.7| 33.7 -3.7 30.0 10.0 0.57| 5.2 3.0 4000 307 14 247 6| 1.1 2.7 3.8| 33.7 -8.7 25.0 6.3 0.46| 4.3 2.0 5000 304 15 253 7| 0.9 2.4 3.3| 33.7 -14.8 18.9 3.8 0.37| 3.7 1.4 6000 301 16 254 8| 0.7 2.1 2.9| 35.3 -17.4 17.9 3.0 0.35| 3.3 1.1 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250420.12.gif