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 U3884... Searching the city database file for: U3884 ... Date:0000Z 21 APR 25 Station: U3884 WMO ident: 23884 Latitude: 61.60 Longitude: 90.00 ------------------------------------------------------------------------------- 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 -38 SFC 988 57 -3.5 -7.3 75 3.8 -4.7 110 7 270.6 271.0 269.1 276.7 2.23 2 934 498 -7.3 -10.9 75 3.6 -8.3 127 21 271.1 271.4 268.7 276.0 1.78 3 925 573 -7.5 -10.9 77 3.4 -8.5 130 23 271.6 271.9 269.1 276.6 1.80 4 850 1229 -10.1 -13.0 79 2.9 -10.9 185 15 275.6 275.8 271.3 280.2 1.65 5 839 1329 -10.5 -13.3 80 2.8 -11.2 186 15 276.2 276.4 271.6 280.8 1.63 6 700 2699 -18.9 -22.3 74 3.4 -19.6 200 21 281.6 281.7 273.6 284.3 0.91 7 672 3001 -20.7 -24.0 75 3.3 -21.2 198 21 282.8 283.0 274.2 285.3 0.82 8 662 3112 -21.3 -24.7 74 3.4 -21.9 198 20 283.4 283.5 274.4 285.8 0.78 9 582 4047 -28.7 -33.7 62 5.0 -29.2 192 19 285.4 285.4 274.9 286.6 0.38 10 503 5078 -34.3 -41.3 49 7.0 -34.8 185 17 290.7 290.8 277.3 291.4 0.20 11 500 5120 -34.7 -42.7 44 8.0 -35.2 185 17 290.7 290.8 277.3 291.3 0.18 12 465 5624 -38.1 -48.1 34 10.0 -38.6 188 15 292.6 292.6 278.1 293.0 0.11 13 400 6650 -44.1 -53.1 36 9.0 -44.4 195 11 297.7 297.7 280.4 297.9 0.07 14 371 7150 -48.1 -56.1 39 8.0 -48.3 205 17 298.8 298.8 280.9 299.0 0.05 15 324 8047 -45.3 -54.3 36 9.0 -45.6 243 14 314.5 314.5 287.0 314.8 0.07 16 300 8560 -45.1 -55.1 32 10.0 -45.5 265 13 321.8 321.8 289.4 322.1 0.07 17 250 9780 -42.9 -57.9 18 15.0 -43.6 270 19 342.3 342.3 294.9 342.5 0.06 18 200 11280 -43.3 -62.3 11 19.0 -44.2 285 17 364.2 364.2 299.5 364.4 0.04 19 175 12178 -42.9 -63.9 8 21.0 -44.0 283 20 379.0 379.1 302.1 379.2 0.04 20 150 13210 -45.9 -66.9 8 21.0 -46.8 280 23 391.0 391.0 303.9 391.1 0.03 21 134 13960 -46.5 -67.5 7 21.0 -47.4 283 22 402.7 402.7 305.6 402.9 0.03 22 100 15900 -47.1 -69.1 6 22.0 -48.3 290 19 436.7 436.7 309.6 436.9 0.03 23 86 16893 -49.7 -70.7 7 21.0 -50.7 275 15 450.7 450.7 311.0 450.9 0.03 24 70 18240 -49.9 -71.9 6 22.0 -51.1 255 9 477.6 477.6 313.2 477.8 0.03 25 57 19585 -48.9 -70.9 6 22.0 -50.5 234 11 508.8 508.8 315.6 509.1 0.05 26 52 20190 -46.5 -68.5 6 22.0 -48.7 224 13 527.9 528.0 316.8 528.4 0.07 27 50 20450 -46.9 -68.9 6 22.0 -49.0 220 13 532.9 533.0 317.1 533.4 0.07 28 33 23181 -50.7 -72.7 6 22.0 -52.8 590.1 590.1 320.2 590.6 0.06 TRP 371 7150 -48.1 -56.1 39 8.0 -48.3 205 17 298.8 298.8 280.9 299.0 0.05 WND Sounding variables and indices 1000-500 mb thick: 5158.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 70.29 % Est. max temperature: 2.11 C = 35.79 F Sfc-Lift cond lev (LCL): 930.51 mb = 526.78 m = 1728.25 ft T: -7.38 C 700-500 lapse rate: 6.53 C/km ThetaE index: 0.66 C Layer 934.0- 925.0 mb Conv cond level (CCL): 814.84 mb = 1550.17 m = 5085.79 ft Mean mixing ratio: 1.89 g/kg Conv temperature: 2.95 C = 37.31 F Cap Strength: 11.79 C Lifted Index: 11.75 C Risk: None Lifted Index @300 mb: 31.93 C Lifted Index @700 mb: 6.22 C Showalter Index: 9.02 C Risk: None Total Totals Index: 46.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.60 C Cross Totals Index: 21.70 C K Index: 8.20 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 2.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.96 J/kg Max Up Vert Vel: 4.89 m/s Conv Inhibition (B-): 49002.67 J/kg Cap Strength: 11.63 C Lift Cond Lev (LCL): 886.19 mb = 905.54 m = 2970.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 215 at 13 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 ---------------------------------------------------------- 0 988 57 110 7 -6.6 2.4 | 59 17 -14.2 -8.6 1 925 573 130 23 -17.6 14.8 | 99 25 -25.2 3.8 2 850 1229 185 15 1.3 14.9 | 122 7 -6.3 3.9 3 700 2699 200 21 7.2 19.7 | 177 9 -0.4 8.7 4 500 5120 185 17 1.5 16.9 | 134 9 -6.1 5.9 5 400 6650 195 11 2.8 10.6 | 85 5 -4.7 -0.4 6 371 7150 205 17 7.2 15.4 | 175 4 -0.4 4.4 7 300 8560 265 13 13.0 1.1 | 331 11 5.4 -9.9 8 250 9780 270 19 19.0 -0.0 | 314 16 11.4 -11.0 9 200 11280 285 17 16.4 -4.4 | 330 18 8.8 -15.4 10 150 13210 280 23 22.7 -4.0 | 315 21 15.1 -15.0 11 100 15900 290 19 17.9 -6.5 | 330 20 10.3 -17.5 12 70 18240 255 9 8.7 2.3 | 353 9 1.1 -8.7 13 50 20450 220 13 8.4 10.0 | 323 1 0.8 -1.0 Wind Parameters Mean winds (0-6000m): 184.5 at 17.8 knts Storm direction: 214.5 at 13.4 knts Shear (0-3000m) pos: 3.7 neg: 0.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 112.2 deg Storm rel helicity (0-3000m) pos: 131.7 neg: -1.9 tot: 129.8 m^2/s^2 ave: 43.3 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 4.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.34 Bulk Shear: 35.38 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 ------------------------------------------------------------------------------- 500 125 15 83 20| 16.5 0.0 16.5| 76.4 0.0 76.4 152.7 0.85| 16.8 14.3 1000 137 17 95 20| 7.7 0.0 7.7|115.6 0.0 115.6 115.6 0.67| 16.4 11.0 1500 150 17 103 16| 5.6 0.0 5.6|120.1 0.0 120.1 80.0 0.62| 13.0 8.0 2000 161 17 111 14| 4.9 0.0 4.9|125.1 0.0 125.1 62.5 0.64| 10.4 6.7 2500 170 17 121 12| 4.4 0.0 4.4|130.4 0.0 130.4 52.2 0.66| 8.9 5.9 3000 176 18 129 11| 3.7 0.0 3.7|131.7 -1.9 129.8 43.3 0.63| 7.6 4.8 4000 182 18 137 10| 2.8 0.4 3.1|131.7 -7.8 123.9 31.0 0.54| 6.1 3.3 5000 184 18 139 10| 2.2 0.6 2.8|131.7 -13.4 118.3 23.7 0.46| 5.1 2.4 6000 185 18 138 9| 1.6 0.5 2.1|131.7 -18.1 113.6 18.9 0.38| 4.6 1.8 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20250421.00.gif