UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for U4343... Searching the city database file for: U4343 ... Date:1200Z 6 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 ------------------------------------------------------------------------------- 0 1000 47 160 3 SFC 995 83 -29.9 -35.9 56 6.0 -30.2 160 3 243.6 243.6 243.2 244.1 0.18 2 949 420 -33.1 -37.6 64 4.5 -33.3 225 7 243.7 243.7 243.3 244.1 0.16 3 925 601 -31.9 -36.3 65 4.4 -32.1 260 9 246.7 246.7 246.1 247.2 0.19 4 892 860 -27.1 -31.0 69 3.9 -27.4 316 10 254.2 254.3 253.1 255.1 0.32 5 876 991 -27.3 -30.9 71 3.6 -27.6 344 10 255.3 255.4 254.0 256.3 0.33 6 850 1210 -22.9 -26.1 75 3.2 -23.3 30 11 262.2 262.2 260.0 263.7 0.53 7 832 1367 -20.3 -23.2 78 2.9 -20.7 28 11 266.5 266.6 263.6 268.5 0.71 8 829 1394 -20.1 -23.0 78 2.9 -20.5 27 11 267.0 267.1 264.0 269.1 0.72 9 700 2631 -26.1 -29.5 73 3.4 -26.5 10 13 273.6 273.7 268.0 275.0 0.47 10 513 4824 -37.5 -40.9 70 3.4 -37.7 28 11 285.2 285.3 274.5 285.9 0.21 11 500 5000 -38.5 -42.1 69 3.6 -38.7 30 11 286.1 286.1 274.9 286.7 0.19 12 400 6500 -46.5 -49.7 70 3.2 -46.6 80 13 294.6 294.6 279.0 294.9 0.10 13 300 8360 -58.1 -61.5 65 3.4 -58.2 115 17 303.4 303.5 282.8 303.6 0.03 14 278 8840 -60.9 -64.3 64 3.4 -60.9 115 17 306.1 306.1 283.8 306.2 0.02 15 250 9510 -57.5 -60.9 65 3.4 -57.6 125 13 320.6 320.6 289.0 320.7 0.04 16 200 10930 -55.9 -59.6 63 3.7 -56.0 160 17 344.2 344.3 295.4 344.5 0.06 17 150 12760 -55.9 -60.2 58 4.3 -56.1 180 21 373.8 373.8 301.3 374.1 0.08 18 100 15320 -59.1 -65.1 46 6.0 -59.3 180 35 413.5 413.6 307.0 413.8 0.06 19 70 17550 -60.3 -67.3 39 7.0 -60.6 200 44 455.4 455.4 311.4 455.7 0.06 20 50 19630 -61.1 -68.1 39 7.0 -61.4 200 50 499.5 499.5 314.9 500.0 0.08 21 45 20284 -62.7 -69.7 38 7.0 -63.0 200 54 510.9 510.9 315.7 511.3 0.07 22 39 21167 -63.9 -70.9 38 7.0 -64.2 200 60 529.2 529.2 316.9 529.7 0.07 23 30 22780 -63.7 -71.7 33 8.0 -64.1 200 71 571.0 571.0 319.2 571.5 0.08 24 27 23425 -64.6 -72.6 32 8.0 -65.0 195 85 585.9 585.9 320.0 586.4 0.08 25 25 23894 -65.3 -73.3 32 8.0 -65.7 597.0 597.0 320.5 597.5 0.08 TRP 278 8840 -60.9 -64.3 64 3.4 -60.9 115 17 306.1 306.1 283.8 306.2 0.02 WND 27 23425 -64.6 -72.6 32 8.0 -65.0 195 85 585.9 585.9 320.0 586.4 0.08 Sounding variables and indices 1000-500 mb thick: 4953.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 71.42 % Est. max temperature: -10.18 C = 13.68 F Sfc-Lift cond lev (LCL): 898.48 mb = 808.73 m = 2653.29 ft T: -28.06 C 700-500 lapse rate: 5.23 C/km ThetaE index: 0.00 C Layer 995.0- 0.0 mb Conv cond level (CCL): 440.62 mb = 5849.77 m = 19191.93 ft Mean mixing ratio: 0.19 g/kg Conv temperature: 17.33 C = 63.20 F Cap Strength: 31.97 C Lifted Index: 32.44 C Risk: None Lifted Index @300 mb: 40.32 C Lifted Index @700 mb: 24.56 C Showalter Index: 18.49 C Risk: None Total Totals Index: 28.00 C Risk: None Vertical Totals Index: 15.60 C Cross Totals Index: 12.40 C K Index: -13.90 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 4.89 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.49 J/kg Max Up Vert Vel: 8.77 m/s Conv Inhibition (B-): 54433.24 J/kg Cap Strength: 32.30 C Lift Cond Lev (LCL): 874.32 mb = 1004.86 m = 3296.75 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 52 at 8 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 ---------------------------------------------------------- 0 995 83 160 3 -1.0 2.8 | 215 10 5.6 8.0 1 925 601 260 9 8.9 1.6 | 247 17 15.5 6.7 2 850 1210 30 11 -5.5 -9.5 | 345 5 1.2 -4.4 3 700 2631 10 13 -2.3 -12.8 | 330 9 4.4 -7.6 4 500 5000 30 11 -5.5 -9.5 | 345 5 1.2 -4.4 5 400 6500 80 13 -12.8 -2.3 | 115 7 -6.2 2.9 6 300 8360 115 17 -15.4 7.2 | 145 15 -8.8 12.4 7 278 8840 115 17 -15.4 7.2 | 145 15 -8.8 12.4 8 250 9510 125 13 -10.6 7.5 | 162 13 -4.0 12.6 9 200 10930 160 17 -5.8 16.0 | 182 21 0.8 21.1 10 150 12760 180 21 0.0 21.0 | 194 27 6.7 26.2 11 100 15320 180 35 0.0 35.0 | 189 41 6.7 40.2 12 70 17550 200 44 15.0 41.3 | 205 51 21.7 46.5 13 50 19630 200 50 17.1 47.0 | 204 57 23.8 52.2 14 30 22780 200 71 24.3 66.7 | 203 78 30.9 71.9 Wind Parameters Mean winds (0-6000m): 22.1 at 11.2 knts Storm direction: 52.1 at 8.4 knts Shear (0-3000m) pos: 2.3 neg: 0.6 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 117.7 deg Storm rel helicity (0-3000m) pos: 92.6 neg: -2.9 tot: 89.7 m^2/s^2 ave: 29.9 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 4.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.09 Bulk Shear: 35.20 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 ------------------------------------------------------------------------------- 500 239 6 235 14| 9.9 0.0 9.9| 30.7 0.0 30.7 61.3 0.67| 11.8 7.9 1000 284 8 257 15| 6.9 0.0 6.9| 86.2 0.0 86.2 86.2 0.78| 15.3 11.9 1500 344 9 290 10| 4.7 0.0 4.7| 91.8 -0.4 91.4 60.9 0.74| 12.2 9.1 2000 4 10 307 7| 3.6 0.4 4.0| 91.8 -1.4 90.4 45.2 0.69| 9.6 6.7 2500 8 10 313 7| 2.8 0.7 3.5| 91.8 -2.9 88.9 35.6 0.65| 8.0 5.2 3000 9 11 317 7| 2.3 0.6 2.9| 92.6 -2.9 89.7 29.9 0.64| 6.8 4.4 4000 12 11 322 7| 1.7 0.4 2.1| 94.0 -2.9 91.1 22.8 0.63| 5.4 3.4 5000 15 11 326 7| 1.3 0.3 1.6| 95.4 -2.9 92.4 18.5 0.62| 4.5 2.8 6000 22 11 335 6| 1.2 0.3 1.5|101.8 -2.9 98.9 16.5 0.66| 4.4 2.9 Wrote GIF file: /home/apache/climate/data/raob//U4343/skewt/U4343.skewt.20251206.12.gif