UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112700.upa.cvt Date: 0000Z 27 NOV 25 Searching for U4641... Searching the city database file for: U4641 ... Date:0000Z 27 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 ------------------------------------------------------------------------------- SFC 1006 115 -39.1 -43.0 66 3.9 -39.2 360 1 233.6 233.7 233.6 233.9 0.09 1 1001 149 -35.1 -41.1 54 6.0 -35.3 29 1 238.0 238.0 237.8 238.3 0.10 2 1000 156 -34.1 -40.1 55 6.0 -34.3 35 1 239.1 239.1 238.8 239.4 0.12 3 997 177 -32.1 -38.1 55 6.0 -32.4 29 1 241.3 241.3 240.9 241.7 0.14 4 929 680 -30.7 -35.7 61 5.0 -31.0 239 9 247.6 247.6 247.0 248.2 0.20 5 925 711 -30.1 -35.0 62 4.9 -30.4 230 9 248.5 248.6 247.8 249.1 0.21 6 879 1077 -24.9 -29.7 64 4.8 -25.4 203 10 257.6 257.6 256.0 258.6 0.37 7 850 1321 -23.5 -28.1 66 4.6 -24.0 185 11 261.5 261.6 259.3 262.8 0.44 8 846 1355 -23.3 -27.9 66 4.6 -23.8 185 11 262.1 262.2 259.8 263.4 0.46 9 700 2728 -28.1 -35.1 51 7.0 -28.7 170 17 271.4 271.4 266.1 272.2 0.28 10 681 2925 -29.1 -37.1 46 8.0 -29.7 170 17 272.4 272.4 266.8 273.1 0.23 11 653 3224 -31.7 -39.7 45 8.0 -32.2 170 18 272.7 272.8 266.9 273.3 0.19 12 500 5060 -44.9 -49.8 58 4.9 -45.0 170 23 278.3 278.3 270.2 278.6 0.08 13 452 5728 -49.9 -54.6 58 4.7 -50.0 175 25 280.2 280.2 271.4 280.3 0.05 14 400 6520 -54.1 -59.0 55 4.9 -54.2 180 27 284.7 284.7 273.9 284.8 0.03 15 321 7902 -61.7 -66.5 53 4.8 -61.7 175 23 292.6 292.7 278.0 292.7 0.02 16 311 8098 -62.1 -67.0 52 4.9 -62.1 175 22 294.8 294.8 279.0 294.8 0.01 17 300 8320 -61.5 -66.3 53 4.8 -61.6 175 21 298.6 298.7 280.8 298.7 0.02 18 289 8551 -60.9 -65.6 54 4.7 -60.9 176 19 302.7 302.7 282.5 302.8 0.02 19 250 9450 -59.7 -64.5 53 4.8 -59.7 180 13 317.3 317.3 287.9 317.4 0.03 20 200 10850 -58.7 -63.7 52 5.0 -58.8 180 9 339.8 339.8 294.3 340.0 0.04 21 150 12660 -58.9 -63.9 52 5.0 -59.0 190 7 368.6 368.6 300.4 368.8 0.05 22 143 12959 -58.5 -64.5 46 6.0 -58.6 191 8 374.4 374.4 301.4 374.6 0.05 23 100 15180 -61.9 -67.9 45 6.0 -62.0 195 17 408.1 408.1 306.3 408.3 0.04 24 73 17106 -66.1 -73.1 37 7.0 -66.2 186 17 437.7 437.7 309.7 437.8 0.03 25 70 17360 -65.7 -72.7 37 7.0 -65.8 185 17 443.8 443.8 310.3 444.0 0.03 26 50 19400 -66.5 -73.5 37 7.0 -66.7 195 31 486.8 486.8 314.0 487.0 0.04 27 39 20910 -64.9 -72.9 32 8.0 -65.2 526.7 526.7 316.8 527.0 0.05 TRP 321 7902 -61.7 -66.5 53 4.8 -61.7 175 23 292.6 292.7 278.0 292.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 4904.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 55.36 % Est. max temperature: -12.01 C = 10.39 F Sfc-Lift cond lev (LCL): 939.73 mb = 598.40 m = 1963.24 ft T: -30.93 C 700-500 lapse rate: 7.20 C/km ThetaE index: 0.00 C Layer 1006.0-55782952777075916800.0 mb Conv cond level (CCL): 530.03 mb = 4658.77 m = 15284.50 ft Mean mixing ratio: 0.18 g/kg Conv temperature: 4.48 C = 40.06 F Cap Strength: 24.06 C Lifted Index: 26.80 C Risk: None Lifted Index @300 mb: 37.56 C Lifted Index @700 mb: 23.33 C Showalter Index: 12.80 C Risk: None Total Totals Index: 38.20 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 16.80 C K Index: -13.70 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 3.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.12 J/kg Max Up Vert Vel: 8.38 m/s Conv Inhibition (B-): 45293.66 J/kg Cap Strength: 26.68 C Lift Cond Lev (LCL): 875.31 mb = 1107.60 m = 3633.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 205 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 1006 115 360 1 -0.0 -1.0 | 23 14 -5.4 -12.5 1 1000 156 35 1 -0.6 -0.8 | 26 14 -6.0 -12.3 2 925 711 230 9 6.9 5.8 | 345 6 1.5 -5.7 3 850 1321 185 11 1.0 11.0 | 83 4 -4.4 -0.6 4 700 2728 170 17 -3.0 16.7 | 122 10 -8.4 5.2 5 500 5060 170 23 -4.0 22.7 | 140 15 -9.4 11.1 6 400 6520 180 27 0.0 27.0 | 161 16 -5.4 15.5 7 321 7902 175 23 -2.0 22.9 | 147 14 -7.4 11.4 8 300 8320 175 21 -1.8 20.9 | 142 12 -7.2 9.4 9 250 9450 180 13 0.0 13.0 | 105 6 -5.4 1.5 10 200 10850 180 9 0.0 9.0 | 65 6 -5.4 -2.5 11 150 12660 190 7 1.2 6.9 | 42 6 -4.2 -4.6 12 100 15180 195 17 4.4 16.4 | 168 5 -1.0 4.9 13 70 17360 185 17 1.5 16.9 | 144 7 -3.9 5.4 14 50 19400 195 31 8.0 29.9 | 188 19 2.6 18.4 Wind Parameters Mean winds (0-6000m): 175.1 at 17.0 knts Storm direction: 205.1 at 12.7 knts Shear (0-3000m) pos: 0.0 neg: 3.3 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 102.7 deg Storm rel helicity (0-3000m) pos: 13.8 neg: -33.4 tot: -19.7 m^2/s^2 ave: -6.6 10^-3 m/s^2 rel: 0.04 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.87 Bulk Shear: 40.40 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 ------------------------------------------------------------------------------- 500 266 4 7 11| 0.0 8.1 8.1| 0.8 -32.6 -31.8 -63.7 -0.70| 12.6 -8.8 1000 221 7 9 7| 0.0 5.8 5.8| 3.6 -33.4 -29.8 -29.8 -0.26| 11.2 -2.9 1500 204 8 27 5| 0.0 4.5 4.5| 7.0 -33.4 -26.4 -17.6 -0.09| 9.0 -0.8 2000 195 9 51 4| 0.0 4.0 4.0| 9.5 -33.4 -23.9 -11.9 -0.02| 7.4 -0.2 2500 188 11 76 4| 0.0 3.6 3.6| 11.5 -33.4 -21.9 -8.8 0.01| 6.4 0.1 3000 183 12 92 5| 0.0 3.3 3.3| 13.8 -33.4 -19.7 -6.6 0.04| 5.6 0.2 4000 178 14 109 6| 0.0 2.8 2.8| 18.7 -33.4 -14.7 -3.7 0.08| 4.5 0.4 5000 176 15 120 8| 0.1 2.3 2.5| 24.2 -33.4 -9.2 -1.8 0.11| 3.9 0.4 6000 175 17 128 9| 0.4 2.0 2.4| 39.6 -33.4 6.2 1.0 0.19| 3.6 0.7 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251127.00.gif