UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for U4343... Searching the city database file for: U4343 ... Date:0000Z 12 DEC 25 Station: U4343 WMO ident: 24343 Latitude: 66.77 Longitude: 123.40 ------------------------------------------------------------------------------- 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 1011 77 -42.1 -45.5 69 3.4 -42.2 155 9 230.3 230.3 230.3 230.5 0.06 1 1000 151 -39.3 -43.3 66 4.0 -39.4 160 7 233.9 233.9 233.7 234.1 0.08 2 986 248 -39.9 -43.8 66 3.9 -40.0 159 8 234.2 234.2 234.1 234.4 0.08 3 952 491 -34.7 -38.8 66 4.1 -34.9 157 11 241.8 241.8 241.5 242.2 0.14 4 925 692 -35.1 -39.2 66 4.1 -35.3 155 13 243.4 243.4 243.0 243.8 0.14 5 887 985 -35.9 -39.8 67 3.9 -36.1 143 13 245.5 245.5 244.9 245.9 0.14 6 850 1284 -32.5 -36.6 67 4.1 -32.7 130 13 252.1 252.1 251.0 252.7 0.20 7 817 1564 -30.5 -34.6 67 4.1 -30.8 125 14 257.1 257.1 255.3 257.8 0.25 8 700 2659 -31.7 -35.5 69 3.8 -32.0 105 19 267.4 267.4 263.3 268.2 0.27 9 690 2761 -32.1 -35.9 69 3.8 -32.4 105 19 268.0 268.1 263.8 268.8 0.26 10 500 4980 -44.9 -48.8 65 3.9 -45.0 115 25 278.3 278.3 270.3 278.6 0.09 11 400 6420 -53.7 -58.0 59 4.3 -53.8 120 31 285.2 285.2 274.2 285.3 0.04 12 395 6502 -54.9 -59.1 60 4.2 -54.9 120 31 284.7 284.7 273.9 284.8 0.03 13 325 7746 -60.1 -64.3 58 4.2 -60.2 120 31 293.8 293.8 278.6 293.9 0.02 14 300 8250 -60.5 -64.6 58 4.1 -60.6 115 29 300.1 300.1 281.4 300.1 0.02 15 273 8838 -60.5 -64.7 58 4.2 -60.6 120 23 308.3 308.3 284.7 308.4 0.02 16 250 9390 -57.7 -62.2 56 4.5 -57.8 125 17 320.3 320.3 288.9 320.4 0.04 17 239 9674 -56.3 -60.7 58 4.4 -56.4 128 16 326.5 326.5 290.7 326.7 0.05 18 200 10800 -56.9 -61.6 55 4.7 -57.0 140 11 342.7 342.7 295.0 342.9 0.05 19 150 12610 -58.3 -63.3 53 5.0 -58.4 150 9 369.6 369.6 300.5 369.9 0.05 20 100 15160 -59.7 -65.7 45 6.0 -59.9 165 17 412.4 412.4 306.9 412.7 0.06 21 73 17103 -63.5 -69.5 44 6.0 -63.7 178 28 443.2 443.2 310.2 443.4 0.04 22 70 17360 -62.7 -69.7 38 7.0 -62.9 180 29 450.2 450.3 310.9 450.5 0.05 23 50 19440 -64.5 -71.5 38 7.0 -64.7 175 29 491.5 491.5 314.4 491.8 0.05 24 39 20955 -64.7 -72.7 32 8.0 -65.0 180 48 527.2 527.2 316.8 527.5 0.05 25 30 22570 -60.5 -68.5 34 8.0 -61.1 185 68 579.7 579.8 319.7 580.6 0.13 26 25 23710 -60.3 -68.3 34 8.0 -61.0 187 82 611.3 611.4 321.2 612.5 0.16 27 20 25120 -55.5 -64.5 32 9.0 -56.9 190 99 666.3 666.4 323.4 669.0 0.33 28 19 25448 -54.1 -63.1 32 9.0 -55.8 195 101 680.4 680.5 323.9 683.9 0.41 29 18 25796 -52.7 -61.7 33 9.0 -54.6 695.5 695.7 324.4 700.1 0.53 TRP 325 7746 -60.1 -64.3 58 4.2 -60.2 120 31 293.8 293.8 278.6 293.9 0.02 WND 19 25448 -54.1 -63.1 32 9.0 -55.8 195 101 680.4 680.5 323.9 683.9 0.41 Sounding variables and indices 1000-500 mb thick: 4829.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 67.13 % Est. max temperature: -22.26 C = -8.07 F Sfc-Lift cond lev (LCL): 952.09 mb = 490.10 m = 1607.91 ft T: -34.71 C 700-500 lapse rate: 5.69 C/km Conv cond level (CCL): 470.90 mb = 5366.97 m = 17607.96 ft Mean mixing ratio: 0.11 g/kg Conv temperature: 7.90 C = 46.23 F Cap Strength: 25.92 C Lifted Index: 32.01 C Risk: None Lifted Index @300 mb: 43.07 C Lifted Index @700 mb: 25.44 C Showalter Index: 21.06 C Risk: None Total Totals Index: 20.70 C Risk: None Vertical Totals Index: 12.40 C Cross Totals Index: 8.30 C K Index: -28.00 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 5.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 51.50 J/kg Max Up Vert Vel: 10.15 m/s Conv Inhibition (B-): 66673.15 J/kg Cap Strength: 31.98 C Lift Cond Lev (LCL): 900.33 mb = 880.73 m = 2889.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 147 at 15 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 1011 77 155 9 -3.8 8.2 | 316 6 4.1 -4.2 1 1000 151 160 7 -2.4 6.6 | 316 8 5.5 -5.8 2 925 692 155 13 -5.5 11.8 | 283 2 2.4 -0.6 3 850 1284 130 13 -10.0 8.4 | 27 4 -2.1 -4.0 4 700 2659 105 19 -18.4 4.9 | 55 13 -10.5 -7.4 5 500 4980 115 25 -22.7 10.6 | 83 15 -14.8 -1.8 6 400 6420 120 31 -26.8 15.5 | 99 19 -18.9 3.2 7 325 7746 120 31 -26.8 15.5 | 99 19 -18.9 3.2 8 300 8250 115 29 -26.3 12.3 | 90 18 -18.4 -0.1 9 250 9390 125 17 -13.9 9.8 | 67 7 -6.0 -2.6 10 200 10800 140 11 -7.1 8.4 | 348 4 0.8 -3.9 11 150 12610 150 9 -4.5 7.8 | 323 6 3.4 -4.5 12 100 15160 165 17 -4.4 16.4 | 221 5 3.5 4.1 13 70 17360 180 29 0.0 29.0 | 205 18 7.9 16.7 14 50 19440 175 29 -2.5 28.9 | 198 17 5.4 16.5 15 30 22570 185 68 5.9 67.7 | 194 57 13.8 55.4 16 20 25120 190 99 17.2 97.5 | 196 89 25.1 85.2 Wind Parameters Mean winds (0-6000m): 117.4 at 19.5 knts Storm direction: 147.4 at 14.7 knts Shear (0-3000m) pos: 0.7 neg: 2.4 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 104.4 deg Storm rel helicity (0-3000m) pos: 11.1 neg: -2.9 tot: 8.2 m^2/s^2 ave: 2.7 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.03 Bulk Shear: 25.39 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 ------------------------------------------------------------------------------- 500 157 9 311 6| 2.8 0.0 2.8| 0.0 -2.4 -2.4 -4.7 -0.26| 6.5 -1.7 1000 152 11 313 4| 1.4 2.0 3.4| 1.5 -2.9 -1.3 -1.3 0.07| 5.8 0.4 1500 144 12 340 3| 0.9 2.6 3.5| 3.9 -2.9 1.1 0.7 0.19| 5.1 1.0 2000 137 13 13 3| 0.7 2.8 3.5| 6.3 -2.9 3.4 1.7 0.22| 4.7 1.1 2500 129 14 36 5| 0.6 2.9 3.5| 7.0 -2.9 4.1 1.7 0.20| 4.5 0.9 3000 124 15 45 6| 0.7 2.4 3.1| 11.1 -2.9 8.2 2.7 0.24| 4.0 1.0 4000 119 16 55 8| 0.9 1.8 2.7| 21.5 -2.9 18.6 4.7 0.32| 3.4 1.1 5000 117 18 63 9| 1.0 1.5 2.5| 33.0 -2.9 30.1 6.0 0.38| 3.1 1.2 6000 117 20 70 10| 1.3 1.2 2.5| 47.7 -2.9 44.8 7.5 0.43| 3.0 1.3 Wrote GIF file: /home/apache/climate/data/raob//U4343/skewt/U4343.skewt.20251212.00.gif