UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 21 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 1012 48 -1.1 -4.8 76 3.7 -2.4 120 5 271.1 271.6 270.1 278.3 2.64 1 1011 56 -2.1 -8.1 63 6.0 -4.0 121 6 270.2 270.5 268.5 275.8 2.05 2 1000 143 0.2 -5.8 64 6.0 -1.9 130 15 273.4 273.8 271.2 280.2 2.47 3 972 371 3.6 -7.4 44 11.0 -0.4 139 14 279.0 279.4 274.2 285.4 2.25 4 952 539 2.8 -11.2 35 14.0 -1.8 146 14 279.9 280.1 273.9 284.8 1.70 5 925 771 1.2 -11.8 37 13.0 -3.0 155 13 280.5 280.8 274.2 285.4 1.67 6 862 1334 -3.3 -13.3 46 10.0 -6.3 155 15 281.6 281.8 274.6 286.2 1.59 7 850 1445 -3.7 -12.7 50 9.0 -6.4 155 15 282.3 282.6 275.2 287.2 1.69 8 811 1816 -3.7 -11.7 54 8.0 -6.3 165 14 286.1 286.4 277.5 291.7 1.92 9 700 2963 -11.1 -19.1 52 8.0 -13.1 195 11 290.2 290.4 278.6 293.9 1.21 10 644 3595 -15.5 -23.5 50 8.0 -17.1 197 11 292.2 292.4 279.1 295.0 0.89 11 606 4051 -17.7 -24.7 54 7.0 -19.1 199 10 294.8 294.9 280.2 297.5 0.85 12 573 4467 -19.7 -29.7 41 10.0 -21.4 201 10 297.2 297.3 280.9 299.1 0.57 13 500 5460 -27.5 -36.5 42 9.0 -28.5 205 9 299.5 299.6 281.6 300.6 0.34 14 419 6710 -36.3 -50.3 22 14.0 -37.1 150 14 303.8 303.8 283.0 304.1 0.09 15 400 7030 -39.1 -55.1 17 16.0 -39.8 135 15 304.2 304.2 283.1 304.4 0.05 16 376 7452 -42.7 -59.7 14 17.0 -43.2 153 12 304.8 304.8 283.4 305.0 0.03 17 300 8940 -54.9 -70.9 12 16.0 -55.1 220 3 308.0 308.0 284.5 308.0 0.01 18 285 9264 -57.3 -73.3 11 16.0 -57.4 245 9 309.1 309.1 285.0 309.1 0.01 19 250 10090 -56.7 -71.7 13 15.0 -56.9 295 15 321.8 321.8 289.3 321.8 0.01 20 246 10192 -57.5 -72.5 13 15.0 -57.6 295 15 322.1 322.1 289.4 322.1 0.01 21 234 10511 -53.9 -68.9 14 15.0 -54.1 294 16 332.2 332.2 292.3 332.2 0.02 22 200 11530 -50.1 -67.1 12 17.0 -50.5 290 19 353.4 353.4 297.4 353.5 0.02 23 154 13237 -48.5 -70.5 6 22.0 -49.2 290 17 383.6 383.6 302.8 383.7 0.02 24 150 13410 -48.7 -70.7 6 22.0 -49.4 290 17 386.2 386.2 303.2 386.2 0.02 25 109 15484 -53.5 -77.5 4 24.0 -54.1 290 11 414.0 414.0 307.0 414.1 0.01 26 100 16040 -51.5 -76.5 3 25.0 -52.3 290 9 428.2 428.2 308.6 428.3 0.01 27 70 18350 -52.7 -76.7 4 24.0 -53.7 255 5 471.6 471.6 312.8 471.7 0.02 28 68 18537 -53.3 -77.3 4 24.0 -54.2 474.3 474.3 313.0 474.4 0.02 29 64 18931 -49.3 -74.3 4 25.0 -50.7 491.3 491.4 314.3 491.5 0.03 TRP 285 9264 -57.3 -73.3 11 16.0 -57.4 245 9 309.1 309.1 285.0 309.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5317.00 m Freezing level: Surface below freezing Freezing level: 1000.96 mb = 135.40 m = 444.22 ft Freezing level: 908.20 mb = 921.16 m = 3022.14 ft Wetbulb zero: Below ground Precipitable water: 0.29 inches Sfc-500 mean rel hum: 47.77 % Est. max temperature: 9.37 C = 48.87 F Sfc-Lift cond lev (LCL): 954.98 mb = 514.23 m = 1687.09 ft T: 2.92 C 700-500 lapse rate: 6.57 C/km ThetaE index: 2.48 C Layer 1011.0-1000.0 mb Conv cond level (CCL): 666.42 mb = 3335.81 m = 10944.11 ft Mean mixing ratio: 1.99 g/kg Conv temperature: 19.23 C = 66.62 F Cap Strength: 12.68 C Lifted Index: 13.55 C Risk: None Lifted Index @300 mb: 17.21 C Lifted Index @700 mb: 8.86 C Showalter Index: 10.86 C Risk: None Total Totals Index: 38.60 C Risk: None Vertical Totals Index: 23.80 C Cross Totals Index: 14.80 C K Index: 3.10 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 2.84 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.94 J/kg Max Up Vert Vel: 8.60 m/s Conv Inhibition (B-): 27188.95 J/kg Cap Strength: 13.51 C Lift Cond Lev (LCL): 811.11 mb = 1815.04 m = 5954.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 208 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 1012 48 120 5 -4.3 2.5 | 58 10 -8.4 -5.2 1 1000 143 130 15 -11.5 9.6 | 97 16 -15.5 1.9 2 925 771 155 13 -5.5 11.8 | 113 10 -9.5 4.1 3 850 1445 155 15 -6.3 13.6 | 120 12 -10.4 5.9 4 700 2963 195 11 2.8 10.6 | 158 3 -1.2 2.9 5 500 5460 205 9 3.8 8.2 | 153 1 -0.2 0.5 6 400 7030 135 15 -10.6 10.6 | 101 15 -14.6 2.9 7 300 8940 220 3 1.9 2.3 | 21 6 -2.1 -5.4 8 285 9264 245 9 8.2 3.8 | 313 6 4.1 -3.9 9 250 10090 295 15 13.6 -6.3 | 326 17 9.6 -14.0 10 200 11530 290 19 17.9 -6.5 | 316 20 13.8 -14.2 11 150 13410 290 17 16.0 -5.8 | 319 18 11.9 -13.5 12 100 16040 290 9 8.5 -3.1 | 338 12 4.4 -10.8 13 70 18350 255 5 4.8 1.3 | 353 6 0.8 -6.4 Wind Parameters Mean winds (0-6000m): 177.7 at 11.6 knts Storm direction: 207.7 at 8.7 knts Shear (0-3000m) pos: 1.9 neg: 0.0 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 100.0 deg Storm rel helicity (0-3000m) pos: 51.5 neg: 0.0 tot: 51.5 m^2/s^2 ave: 17.2 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 3.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.40 Bulk Shear: 10.85 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 ------------------------------------------------------------------------------- 500 136 14 99 14| 9.8 0.0 9.8| 34.9 0.0 34.9 69.7 0.77| 15.0 11.5 1000 144 13 105 12| 5.2 0.0 5.2| 39.7 0.0 39.7 39.7 0.74| 9.0 6.6 1500 148 14 110 12| 3.8 0.0 3.8| 43.2 0.0 43.2 28.8 0.72| 6.6 4.8 2000 152 14 113 11| 2.8 0.0 2.8| 47.8 0.0 47.8 23.9 0.69| 5.9 4.0 2500 156 14 117 11| 2.2 0.0 2.2| 50.3 0.0 50.3 20.1 0.66| 5.4 3.5 3000 161 13 120 10| 1.9 0.0 1.9| 51.5 0.0 51.5 17.2 0.64| 4.9 3.1 4000 168 13 125 8| 1.3 0.0 1.3| 51.5 0.0 51.5 12.9 0.61| 3.8 2.3 5000 174 12 129 7| 1.0 0.0 1.0| 51.5 -0.0 51.5 10.3 0.59| 3.2 1.9 6000 178 12 131 6| 0.9 0.4 1.3| 51.5 -0.9 50.6 8.4 0.47| 3.1 1.5 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250421.00.gif