UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110812.upa.cvt Date: 1200Z 8 NOV 25 Searching for U4641... Searching the city database file for: U4641 ... Date:1200Z 8 NOV 25 Station: U4641 WMO ident: 24641 Latitude: 63.77 Longitude: 121.62 ------------------------------------------------------------------------------- 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 96 205 1 SFC 998 111 -16.3 -18.3 85 2.0 -16.6 205 1 257.0 257.1 256.6 259.4 0.90 2 936 595 -15.3 -17.6 83 2.3 -15.7 243 6 262.8 262.9 261.5 265.6 1.02 3 925 684 -15.7 -18.1 82 2.4 -16.2 250 7 263.3 263.4 261.7 266.0 0.99 4 850 1319 -18.3 -22.1 72 3.8 -18.9 265 11 267.0 267.1 264.0 269.1 0.76 5 848 1337 -18.5 -22.3 72 3.8 -19.1 265 11 266.9 267.1 264.0 269.1 0.75 6 789 1874 -18.5 -22.1 73 3.6 -19.1 259 14 272.5 272.6 268.0 274.9 0.82 7 730 2451 -21.1 -24.6 73 3.5 -21.7 253 17 275.8 275.9 269.8 277.9 0.71 8 700 2759 -23.7 -27.3 72 3.6 -24.2 250 19 276.2 276.3 269.9 278.0 0.58 9 665 3132 -27.1 -29.8 78 2.7 -27.4 250 21 276.5 276.6 269.9 278.0 0.48 10 659 3197 -25.5 -28.3 77 2.8 -25.9 250 22 279.0 279.1 271.6 280.7 0.56 11 653 3264 -25.5 -28.3 77 2.8 -25.9 250 22 279.8 279.8 272.0 281.5 0.57 12 624 3594 -25.9 -30.9 63 5.0 -26.5 250 24 283.0 283.0 273.7 284.4 0.47 13 560 4372 -29.7 -39.7 37 10.0 -30.5 250 30 287.4 287.4 275.7 288.1 0.22 14 542 4605 -31.9 -41.9 37 10.0 -32.6 250 31 287.4 287.5 275.6 288.0 0.18 15 500 5170 -36.3 -44.3 43 8.0 -36.8 250 35 288.8 288.8 276.3 289.3 0.15 16 400 6680 -47.5 -53.5 50 6.0 -47.7 250 38 293.3 293.3 278.4 293.5 0.07 17 362 7332 -52.3 -57.3 55 5.0 -52.4 250 41 295.3 295.3 279.3 295.5 0.05 18 300 8530 -58.1 -63.1 53 5.0 -58.2 250 48 303.4 303.5 282.8 303.5 0.03 19 263 9348 -61.9 -66.9 51 5.0 -61.9 245 56 309.5 309.5 285.2 309.6 0.02 20 250 9660 -61.7 -66.7 51 5.0 -61.7 245 54 314.3 314.3 286.9 314.4 0.02 21 246 9760 -61.9 -66.9 51 5.0 -62.0 245 53 315.5 315.5 287.3 315.6 0.02 22 221 10431 -59.1 -64.1 52 5.0 -59.2 248 47 329.6 329.6 291.6 329.8 0.03 23 218 10517 -59.5 -64.5 52 5.0 -59.6 248 47 330.3 330.3 291.8 330.4 0.03 24 200 11060 -58.3 -63.3 53 5.0 -58.4 250 42 340.4 340.4 294.4 340.6 0.04 25 150 12860 -59.1 -65.1 46 6.0 -59.2 260 31 368.3 368.3 300.3 368.4 0.04 26 100 15410 -59.5 -68.5 30 9.0 -59.7 255 31 412.8 412.8 306.9 413.0 0.04 27 85 16428 -58.3 -68.3 27 10.0 -58.6 255 27 434.8 434.8 309.4 435.1 0.05 28 70 17640 -61.3 -71.3 25 10.0 -61.6 255 23 453.2 453.3 311.2 453.4 0.04 29 64 18194 -63.3 -74.3 21 11.0 -63.6 254 26 460.6 460.6 311.8 460.8 0.03 30 50 19710 -63.7 -74.7 21 11.0 -64.0 250 35 493.4 493.4 314.5 493.6 0.03 31 35 21901 -63.1 -75.1 18 12.0 -63.6 547.9 547.9 318.0 548.2 0.04 TRP 263 9348 -61.9 -66.9 51 5.0 -61.9 245 56 309.5 309.5 285.2 309.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5074.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 65.50 % Est. max temperature: -6.36 C = 20.56 F Sfc-Lift cond lev (LCL): 965.94 mb = 357.27 m = 1172.12 ft T: -15.79 C 700-500 lapse rate: 5.23 C/km ThetaE index: 0.06 C Layer 848.0- 789.0 mb Conv cond level (CCL): 728.71 mb = 2463.85 m = 8083.41 ft Mean mixing ratio: 0.96 g/kg Conv temperature: 2.50 C = 36.50 F Cap Strength: 19.97 C Lifted Index: 20.40 C Risk: None Lifted Index @300 mb: 27.95 C Lifted Index @700 mb: 11.76 C Showalter Index: 16.24 C Risk: None Total Totals Index: 32.20 C Risk: None Vertical Totals Index: 18.00 C Cross Totals Index: 14.20 C K Index: -7.70 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 4.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.45 J/kg Max Up Vert Vel: 7.41 m/s Conv Inhibition (B-): 42214.62 J/kg Cap Strength: 20.38 C Lift Cond Lev (LCL): 911.45 mb = 794.79 m = 2607.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 281 at 16 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 ---------------------------------------------------------- 0 998 111 205 1 0.4 0.9 | 105 16 -15.5 4.1 1 925 684 250 7 6.6 2.4 | 121 11 -9.4 5.5 2 850 1319 265 11 11.0 1.0 | 130 6 -5.0 4.1 3 700 2759 250 19 17.9 6.5 | 191 10 1.9 9.6 4 500 5170 250 35 32.9 12.0 | 228 23 17.0 15.1 5 400 6680 250 38 35.7 13.0 | 231 26 19.8 16.1 6 300 8530 250 48 45.1 16.4 | 236 35 29.2 19.6 7 263 9348 245 56 50.8 23.7 | 232 44 34.8 26.8 8 250 9660 245 54 48.9 22.8 | 232 42 33.0 26.0 9 200 11060 250 42 39.5 14.4 | 233 29 23.5 17.5 10 150 12860 260 31 30.5 5.4 | 240 17 14.6 8.5 11 100 15410 255 31 29.9 8.0 | 231 18 14.0 11.2 12 70 17640 255 23 22.2 6.0 | 215 11 6.3 9.1 13 50 19710 250 35 32.9 12.0 | 228 23 17.0 15.1 Wind Parameters Mean winds (0-6000m): 251.2 at 21.7 knts Storm direction: 281.2 at 16.2 knts Shear (0-3000m) pos: 2.1 neg: 1.6 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 96.9 deg Storm rel helicity (0-3000m) pos: 36.9 neg: 0.0 tot: 36.9 m^2/s^2 ave: 12.3 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.63 Bulk Shear: 43.25 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 ------------------------------------------------------------------------------- 500 244 4 110 14| 5.7 0.0 5.7| 14.6 0.0 14.6 29.3 0.65| 6.0 3.9 1000 252 6 116 12| 4.7 0.0 4.7| 18.0 0.0 18.0 18.0 0.51| 5.1 2.6 1500 258 8 119 10| 4.2 0.0 4.2| 21.3 0.0 21.3 14.2 0.53| 4.5 2.4 2000 258 9 126 9| 3.1 0.8 3.9| 26.1 0.0 26.1 13.0 0.61| 4.2 2.6 2500 256 11 136 8| 2.5 1.3 3.8| 30.6 0.0 30.6 12.2 0.63| 4.0 2.5 3000 254 12 147 8| 2.1 1.6 3.7| 36.9 0.0 36.9 12.3 0.64| 3.9 2.5 4000 253 15 170 8| 1.6 2.0 3.6| 51.7 0.0 51.7 12.9 0.63| 3.8 2.4 5000 252 19 191 9| 1.2 2.3 3.6| 66.5 0.0 66.5 13.3 0.60| 3.7 2.2 6000 251 22 204 11| 1.0 2.1 3.2| 71.5 0.0 71.5 11.9 0.58| 3.3 1.9 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251108.12.gif