UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for U3884... Searching the city database file for: U3884 ... Date:1200Z 3 DEC 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 44 225 3 SFC 998 60 -4.7 -7.0 84 2.3 -5.4 225 3 268.6 269.0 267.8 274.7 2.26 2 925 652 -9.3 -12.2 79 2.9 -10.1 250 31 269.8 270.1 267.5 274.3 1.62 3 855 1256 -12.9 -15.5 81 2.6 -13.5 278 24 272.2 272.4 268.6 275.9 1.34 4 850 1301 -12.9 -15.5 81 2.6 -13.5 280 23 272.6 272.9 269.0 276.4 1.34 5 790 1859 -13.3 -15.4 84 2.1 -13.8 282 25 278.0 278.2 272.4 282.2 1.46 6 700 2772 -17.3 -19.9 80 2.6 -17.9 285 29 283.3 283.5 274.9 286.7 1.12 7 668 3121 -18.9 -21.8 78 2.9 -19.5 283 35 285.3 285.5 275.8 288.4 1.00 8 500 5220 -31.5 -34.4 75 2.9 -31.8 270 69 294.6 294.7 279.6 296.0 0.41 9 496 5277 -31.9 -34.8 75 2.9 -32.2 270 69 294.8 294.9 279.6 296.1 0.40 10 400 6760 -42.9 -45.9 72 3.0 -43.0 270 79 299.2 299.3 281.3 299.8 0.16 11 345 7740 -50.7 -53.9 69 3.2 -50.8 270 84 301.6 301.6 282.1 301.9 0.07 12 337 7892 -53.7 -57.0 67 3.3 -53.8 270 85 299.5 299.5 281.2 299.7 0.05 13 319 8243 -55.3 -58.6 67 3.3 -55.4 270 87 302.0 302.1 282.3 302.2 0.04 14 314 8343 -57.7 -60.9 67 3.2 -57.8 270 88 300.1 300.1 281.4 300.2 0.03 15 301 8609 -59.0 -62.4 65 3.4 -59.0 270 89 301.9 301.9 282.2 302.0 0.03 16 300 8630 -59.1 -62.5 65 3.4 -59.2 270 89 302.0 302.0 282.3 302.1 0.03 17 271 9262 -62.3 -65.5 65 3.2 -62.3 275 83 306.3 306.3 284.0 306.4 0.02 18 255 9638 -62.5 -65.8 64 3.3 -62.5 275 75 311.4 311.4 285.8 311.5 0.02 19 250 9760 -61.7 -64.9 65 3.2 -61.7 275 73 314.3 314.3 286.9 314.4 0.02 20 200 11140 -60.9 -64.3 64 3.4 -61.0 280 54 336.3 336.3 293.4 336.5 0.03 21 181 11764 -58.9 -62.7 61 3.8 -59.0 282 51 349.3 349.3 296.5 349.5 0.05 22 150 12940 -60.5 -64.4 60 3.9 -60.6 285 46 365.9 365.9 299.8 366.1 0.04 23 100 15440 -65.3 -69.7 54 4.4 -65.4 295 40 401.6 401.6 305.5 401.7 0.03 24 74 17257 -67.3 -72.1 50 4.8 -67.4 299 45 433.5 433.5 309.2 433.6 0.03 25 70 17590 -69.1 -74.0 49 4.9 -69.2 300 46 436.6 436.6 309.6 436.7 0.02 26 50 19570 -76.3 -81.1 46 4.8 -76.3 290 50 463.7 463.7 312.1 463.8 0.01 27 44 20304 -77.7 -82.7 44 5.0 -77.7 477.5 477.5 313.2 477.6 0.01 TRP 271 9262 -62.3 -65.5 65 3.2 -62.3 275 83 306.3 306.3 284.0 306.4 0.02 WND 301 8609 -59.0 -62.4 65 3.4 -59.0 270 89 301.9 301.9 282.2 302.0 0.03 Sounding variables and indices 1000-500 mb thick: 5176.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 79.37 % Est. max temperature: -0.50 C = 31.09 F Sfc-Lift cond lev (LCL): 962.26 mb = 344.08 m = 1128.85 ft T: -6.91 C 700-500 lapse rate: 5.80 C/km ThetaE index: 0.45 C Layer 925.0- 855.0 mb Conv cond level (CCL): 888.09 mb = 964.73 m = 3165.07 ft Mean mixing ratio: 1.83 g/kg Conv temperature: -2.28 C = 27.90 F Cap Strength: 10.90 C Lifted Index: 16.76 C Risk: None Lifted Index @300 mb: 19.51 C Lifted Index @700 mb: 9.57 C Showalter Index: 15.24 C Risk: None Total Totals Index: 34.60 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: 16.00 C K Index: 0.50 Risk: None Sweat Index: 115.00 Risk: None Energy Index: 4.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.48 J/kg Max Up Vert Vel: 3.60 m/s Conv Inhibition (B-): 32483.80 J/kg Cap Strength: 16.39 C Lift Cond Lev (LCL): 909.27 mb = 783.74 m = 2571.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 303 at 31 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 ---------------------------------------------------------- 0 998 60 225 3 2.1 2.1 | 128 31 -24.0 18.9 1 925 652 250 31 29.1 10.6 | 186 28 3.0 27.4 2 850 1301 280 23 22.7 -4.0 | 165 13 -3.4 12.8 3 700 2772 285 29 28.0 -7.5 | 192 10 1.9 9.3 4 500 5220 270 69 69.0 -0.0 | 249 46 42.9 16.8 5 400 6760 270 79 79.0 -0.0 | 252 56 52.9 16.8 6 301 8609 270 89 89.0 -0.0 | 255 65 62.9 16.8 7 300 8630 270 89 89.0 -0.0 | 255 65 62.9 16.8 8 271 9262 275 83 82.7 -7.2 | 260 57 56.6 9.6 9 250 9760 275 73 72.7 -6.4 | 257 48 46.6 10.5 10 200 11140 280 54 53.2 -9.4 | 255 28 27.1 7.4 11 150 12940 285 46 44.4 -11.9 | 255 19 18.3 4.9 12 100 15440 295 40 36.3 -16.9 | 270 10 10.2 -0.1 13 70 17590 300 46 39.8 -23.0 | 294 15 13.7 -6.2 14 50 19570 290 50 47.0 -17.1 | 271 21 20.9 -0.3 Wind Parameters Mean winds (0-6000m): 272.8 at 41.4 knts Storm direction: 302.8 at 31.0 knts Shear (0-3000m) pos: 4.6 neg: 1.0 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 88.1 deg Storm rel helicity (0-3000m) pos: 245.1 neg: -27.4 tot: 217.8 m^2/s^2 ave: 72.6 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 9.6 stream: 5.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.06 Bulk Shear: 109.30 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 ------------------------------------------------------------------------------- 500 248 15 151 26| 24.6 0.0 24.6|184.0 0.0 184.0 368.1 0.99| 25.1 24.9 1000 254 22 167 24| 12.3 0.0 12.3|218.6 -13.0 205.6 205.6 0.67| 20.4 13.7 1500 261 22 169 21| 7.7 0.0 7.7|220.7 -27.4 193.4 128.9 0.51| 15.8 8.1 2000 267 23 171 18| 6.3 0.0 6.3|226.0 -27.4 198.6 99.3 0.52| 12.4 6.5 2500 271 24 172 17| 5.5 0.0 5.5|231.1 -27.4 203.7 81.5 0.54| 10.4 5.6 3000 274 25 175 15| 4.6 1.0 5.5|245.1 -27.4 217.8 72.6 0.58| 9.6 5.5 4000 276 29 192 14| 3.4 2.9 6.3|280.4 -27.4 253.1 63.3 0.55| 9.4 5.2 5000 274 35 212 17| 2.7 4.1 6.8|293.5 -27.6 265.9 53.2 0.46| 9.3 4.3 6000 273 41 226 21| 2.3 4.1 6.4|317.2 -28.2 288.9 48.2 0.44| 8.5 3.8 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20251203.12.gif