UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for U3884... Searching the city database file for: U3884 ... Date:1200Z 8 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 ------------------------------------------------------------------------------- SFC 1029 58 -42.1 -45.3 71 3.2 -42.2 0 0 229.2 229.2 229.1 229.3 0.06 1 1021 111 -39.9 -44.9 59 5.0 -40.0 320 1 231.9 231.9 231.8 232.1 0.07 2 1000 253 -37.9 -42.9 59 5.0 -38.1 215 3 235.2 235.3 235.1 235.5 0.09 3 977 414 -35.3 -40.3 60 5.0 -35.5 239 4 239.4 239.5 239.2 239.8 0.12 4 957 560 -30.1 -35.1 62 5.0 -30.4 260 4 246.1 246.2 245.6 246.7 0.20 5 925 805 -25.3 -29.7 67 4.4 -25.7 295 5 253.4 253.5 252.5 254.4 0.35 6 923 821 -25.1 -29.5 67 4.4 -25.5 296 5 253.8 253.9 252.8 254.8 0.36 7 862 1320 -22.3 -26.2 71 3.9 -22.8 320 10 261.7 261.8 259.6 263.2 0.52 8 850 1423 -22.5 -26.3 71 3.8 -22.9 325 11 262.6 262.7 260.3 264.1 0.52 9 700 2831 -28.9 -33.9 62 5.0 -29.3 320 15 270.5 270.5 265.6 271.4 0.31 10 634 3534 -32.3 -38.3 55 6.0 -32.7 329 17 274.4 274.4 268.1 275.1 0.22 11 500 5170 -43.5 -48.5 58 5.0 -43.7 350 23 280.0 280.0 271.3 280.3 0.09 12 452 5842 -48.1 -53.1 56 5.0 -48.2 352 23 282.4 282.4 272.7 282.6 0.06 13 400 6640 -52.5 -57.5 55 5.0 -52.6 355 23 286.8 286.8 275.0 286.9 0.04 14 354 7418 -57.3 -62.3 53 5.0 -57.3 355 26 290.5 290.5 276.9 290.6 0.02 15 300 8450 -61.9 -66.9 51 5.0 -61.9 355 31 298.1 298.1 280.5 298.1 0.02 16 290 8660 -62.9 -67.9 51 5.0 -62.9 355 31 299.6 299.6 281.1 299.6 0.01 17 277 8944 -63.1 -68.1 51 5.0 -63.1 352 30 303.2 303.2 282.7 303.3 0.01 18 250 9580 -61.5 -66.5 51 5.0 -61.6 345 29 314.6 314.6 287.0 314.7 0.02 19 222 10313 -59.9 -64.9 52 5.0 -60.0 332 28 328.0 328.0 291.2 328.1 0.03 20 200 10960 -60.1 -65.1 52 5.0 -60.2 320 27 337.6 337.6 293.7 337.7 0.03 21 150 12760 -59.9 -65.9 45 6.0 -60.0 305 25 366.9 366.9 300.0 367.0 0.04 22 100 15270 -61.5 -68.5 39 7.0 -61.7 290 31 408.9 408.9 306.4 409.1 0.04 23 70 17450 -67.1 -74.1 36 7.0 -67.2 275 29 440.8 440.8 310.0 441.0 0.02 24 67 17715 -68.1 -75.1 36 7.0 -68.2 273 30 444.2 444.2 310.3 444.3 0.02 25 50 19470 -70.3 -78.3 30 8.0 -70.4 260 36 477.8 477.8 313.3 477.9 0.02 26 30 22480 -72.7 -80.7 29 8.0 -72.8 546.4 546.5 317.9 546.6 0.02 27 29 22679 -73.1 -81.1 29 8.0 -73.2 550.7 550.7 318.1 550.8 0.02 TRP 290 8660 -62.9 -67.9 51 5.0 -62.9 355 31 299.6 299.6 281.1 299.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 4917.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 61.67 % Est. max temperature: -11.57 C = 11.17 F Sfc-Lift cond lev (LCL): 972.49 mb = 447.00 m = 1466.51 ft T: -34.14 C 700-500 lapse rate: 6.24 C/km ThetaE index: 0.00 C Layer 1029.0--1117047487299876477206528.0 mb Conv cond level (CCL): 1021.00 mb = 110.72 m = 363.26 ft Mean mixing ratio: 0.15 g/kg Conv temperature: -36.67 C = -34.01 F Cap Strength: 29.32 C Lifted Index: 31.95 C Risk: None Lifted Index @300 mb: 40.44 C Lifted Index @700 mb: 26.66 C Showalter Index: 13.17 C Risk: None Total Totals Index: 38.20 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 17.20 C K Index: -10.30 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 3.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 86.97 J/kg Max Up Vert Vel: 13.19 m/s Conv Inhibition (B-): 55190.90 J/kg Cap Strength: 31.77 C Lift Cond Lev (LCL): 919.71 mb = 846.79 m = 2778.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 6 at 11 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 1029 58 0 0 -0.0 -0.0 | 186 11 1.1 11.3 1 1000 253 215 3 1.7 2.5 | 192 14 2.8 13.8 2 925 805 295 5 4.5 -2.1 | 212 11 5.7 9.2 3 850 1423 325 11 6.3 -9.0 | 253 8 7.4 2.3 4 700 2831 320 15 9.6 -11.5 | 271 11 10.8 -0.2 5 500 5170 350 23 4.0 -22.7 | 336 12 5.1 -11.3 6 400 6640 355 23 2.0 -22.9 | 345 12 3.1 -11.6 7 300 8450 355 31 2.7 -30.9 | 349 20 3.8 -19.6 8 290 8660 355 31 2.7 -30.9 | 349 20 3.8 -19.6 9 250 9580 345 29 7.5 -28.0 | 333 19 8.6 -16.7 10 200 10960 320 27 17.4 -20.7 | 297 21 18.5 -9.4 11 150 12760 305 25 20.5 -14.3 | 278 22 21.6 -3.0 12 100 15270 290 31 29.1 -10.6 | 269 30 30.3 0.7 13 70 17450 275 29 28.9 -2.5 | 254 31 30.0 8.8 14 50 19470 260 36 35.5 6.3 | 244 41 36.6 17.6 Wind Parameters Mean winds (0-6000m): 335.7 at 15.2 knts Storm direction: 5.7 at 11.4 knts Shear (0-3000m) pos: 2.1 neg: 1.1 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 91.0 deg Storm rel helicity (0-3000m) pos: 46.8 neg: -1.2 tot: 45.6 m^2/s^2 ave: 15.2 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 2.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 2.59 Bulk Shear: 33.54 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 ------------------------------------------------------------------------------- 500 235 3 195 13| 0.0 4.2 4.2| 14.4 -1.2 13.2 26.5 0.53| 7.5 4.0 1000 278 4 205 12| 2.9 2.1 5.0| 27.3 -1.2 26.2 26.2 0.64| 6.7 4.3 1500 305 6 217 10| 3.6 1.4 5.0| 37.6 -1.2 36.4 24.3 0.71| 6.1 4.4 2000 313 7 226 9| 2.7 1.3 4.0| 40.1 -1.2 38.9 19.4 0.71| 5.0 3.6 2500 316 9 234 9| 2.1 1.3 3.5| 42.4 -1.2 41.3 16.5 0.71| 4.3 3.0 3000 317 10 241 9| 2.1 1.1 3.2| 46.8 -1.2 45.6 15.2 0.72| 3.9 2.8 4000 322 12 255 9| 2.1 0.8 3.0| 61.5 -1.2 60.4 15.1 0.77| 3.6 2.8 5000 330 14 273 8| 2.2 0.7 2.9| 78.7 -1.2 77.5 15.5 0.80| 3.5 2.8 6000 336 15 289 8| 1.9 0.6 2.4| 84.6 -1.2 83.5 13.9 0.81| 3.1 2.5 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20251208.12.gif