UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122112.upa.cvt Date: 1200Z 21 DEC 25 Searching for X0965... Searching the city database file for: X0965 ... Date:1200Z 21 DEC 25 Station: X0965 WMO ident: 30965 Latitude: 50.38 Longitude: 116.52 ------------------------------------------------------------------------------- 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 212 SFC 938 675 -28.3 -31.9 71 3.6 -28.6 65 3 249.4 249.4 248.7 250.1 0.28 2 925 777 -24.9 -28.6 71 3.7 -25.2 135 7 253.8 253.9 252.9 254.9 0.39 3 903 954 -19.3 -23.1 72 3.8 -19.8 144 11 261.4 261.5 259.6 263.2 0.66 4 861 1309 -16.7 -22.7 60 6.0 -17.7 160 19 267.7 267.8 264.4 269.7 0.72 5 850 1405 -17.1 -24.1 55 7.0 -18.2 165 21 268.2 268.3 264.7 270.1 0.64 6 772 2123 -20.1 -32.1 33 12.0 -21.5 177 18 272.5 272.5 267.0 273.5 0.34 7 700 2846 -22.1 -30.1 48 8.0 -23.1 190 15 278.0 278.1 270.8 279.4 0.45 8 617 3772 -22.9 -31.9 44 9.0 -24.1 209 20 287.3 287.4 276.0 288.7 0.43 9 500 5290 -30.3 -38.3 46 8.0 -31.0 240 27 296.1 296.1 280.0 297.0 0.28 10 400 6840 -38.9 -44.9 53 6.0 -39.3 270 36 304.4 304.5 283.4 305.1 0.17 11 336 8014 -47.5 -53.5 50 6.0 -47.7 308.2 308.3 284.8 308.5 0.08 TRP WND Sounding variables and indices 1000-500 mb thick: 5078.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 47.67 % Est. max temperature: -6.50 C = 20.30 F Sfc-Lift cond lev (LCL): 882.72 mb = 1122.94 m = 3684.14 ft T: -18.06 C 700-500 lapse rate: 3.36 C/km ThetaE index: 0.00 C Layer 938.0--142227396578952111086143744166068224.0 mb Conv cond level (CCL): 938.00 mb = 675.32 m = 2215.58 ft Mean mixing ratio: 0.60 g/kg Conv temperature: -23.76 C = -10.76 F Cap Strength: 20.62 C Lifted Index: 26.40 C Risk: None Lifted Index @700 mb: 13.33 C Showalter Index: 21.51 C Risk: None Total Totals Index: 19.40 C Risk: None Vertical Totals Index: 13.20 C Cross Totals Index: 6.20 C K Index: -18.90 Risk: None Sweat Index: 214.74 Risk: None Energy Index: 5.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 74.42 J/kg Max Up Vert Vel: 12.20 m/s Conv Inhibition (B-): 5907.12 J/kg Cap Strength: 26.37 C Lift Cond Lev (LCL): 820.47 mb = 1668.74 m = 5474.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 251 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 ---------------------------------------------------------- 0 938 675 65 3 -2.7 -1.3 | 70 19 -18.1 -6.6 1 925 777 135 7 -4.9 4.9 | 89 20 -20.3 -0.4 2 850 1405 165 21 -5.4 20.3 | 126 26 -20.8 15.0 3 700 2846 190 15 2.6 14.8 | 127 16 -12.8 9.5 4 500 5290 240 27 23.4 13.5 | 224 11 8.0 8.2 5 400 6840 270 36 36.0 -0.0 | 284 21 20.6 -5.3 Wind Parameters Mean winds (0-6000m): 221.0 at 21.7 knts Storm direction: 251.0 at 16.3 knts Shear (0-3000m) pos: 3.7 neg: 0.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 80.0 deg Storm rel helicity (0-3000m) pos: 155.2 neg: -1.7 tot: 153.5 m^2/s^2 ave: 51.2 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 4.8 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 1.21 Bulk Shear: 61.31 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 ------------------------------------------------------------------------------- 500 145 10 98 21| 16.6 0.0 16.6| 86.6 0.0 86.6 173.2 0.95| 16.8 15.9 1000 160 15 113 22| 10.7 0.0 10.7|129.5 0.0 129.5 129.5 0.91| 12.4 11.3 1500 165 16 118 22| 6.6 0.0 6.6|132.2 0.0 132.2 88.2 0.81| 9.5 7.7 2000 169 16 120 21| 4.5 0.0 4.5|132.3 -1.1 131.1 65.6 0.72| 8.0 5.7 2500 173 16 122 20| 3.9 0.0 3.9|141.2 -1.7 139.4 55.8 0.71| 7.1 5.0 3000 178 16 125 19| 3.7 0.0 3.7|155.2 -1.7 153.5 51.2 0.73| 6.6 4.8 4000 191 18 135 17| 3.5 0.0 3.5|183.4 -1.7 181.7 45.4 0.77| 6.1 4.7 5000 206 19 151 14| 3.3 0.0 3.3|214.9 -1.7 213.1 42.6 0.81| 6.0 4.8 6000 221 22 174 11| 3.2 0.0 3.2|258.5 -1.7 256.8 42.8 0.81| 6.0 4.9 Wrote GIF file: /home/apache/climate/data/raob//X0965/skewt/X0965.skewt.20251221.12.gif