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 WDK38HS... Searching the city database file for: WDK38HS ... Date:1200Z 6 DEC 25 Station: WDK38HS WMO ident: 99999 Latitude: 79.60 Longitude: 3.70 ------------------------------------------------------------------------------- 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 1022 11 -14.7 -17.2 81 2.5 -15.2 300 13 256.8 257.0 256.6 259.4 0.97 1 1000 175 -16.7 -18.0 90 1.3 -16.9 280 9 256.5 256.6 256.2 258.9 0.93 2 925 768 -11.1 -26.1 28 15.0 -13.6 240 17 268.0 268.0 264.2 269.4 0.49 3 850 1419 -10.7 -24.7 31 14.0 -13.3 245 19 274.9 275.0 269.1 276.7 0.61 4 700 2890 -16.9 -47.9 5 31.0 -19.7 255 23 283.8 283.8 273.5 284.0 0.07 5 500 5330 -33.7 -43.7 36 10.0 -34.4 270 21 292.0 292.0 277.9 292.5 0.16 6 400 6860 -45.1 -54.1 36 9.0 -45.4 270 31 296.4 296.4 279.8 296.6 0.06 7 300 8720 -58.7 -66.7 35 8.0 -58.8 280 25 302.6 302.6 282.4 302.7 0.02 8 250 9840 -66.3 -72.3 43 6.0 -66.3 285 25 307.5 307.5 284.4 307.5 0.01 9 200 11180 -65.3 -81.3 9 16.0 -65.4 300 25 329.3 329.3 291.5 329.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5155.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 26.89 % Est. max temperature: 1.36 C = 34.45 F Sfc-Lift cond lev (LCL): 981.32 mb = 318.45 m = 1044.76 ft T: -15.35 C 700-500 lapse rate: 6.89 C/km ThetaE index: 0.51 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 576.17 mb = 4301.72 m = 14113.09 ft Mean mixing ratio: 0.75 g/kg Conv temperature: 17.29 C = 63.12 F Cap Strength: 19.17 C Lifted Index: 23.58 C Risk: None Lifted Index @300 mb: 27.85 C Lifted Index @700 mb: 19.17 C Showalter Index: 12.80 C Risk: None Total Totals Index: 32.00 C Risk: None Vertical Totals Index: 23.00 C Cross Totals Index: 9.00 C K Index: -32.70 Risk: None Sweat Index: 136.83 Risk: None Energy Index: 3.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.62 J/kg Max Up Vert Vel: 7.57 m/s Conv Inhibition (B-): 10689.12 J/kg Cap Strength: 23.56 C Lift Cond Lev (LCL): 871.50 mb = 1226.65 m = 4024.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 288 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 1022 11 300 13 11.3 -6.5 | 62 4 -3.2 -1.7 1 1000 175 280 9 8.9 -1.6 | 120 6 -5.6 3.2 2 925 768 240 17 14.7 8.5 | 181 13 0.3 13.3 3 850 1419 245 19 17.2 8.0 | 192 13 2.8 12.8 4 700 2890 255 23 22.2 6.0 | 216 13 7.8 10.8 5 500 5330 270 21 21.0 -0.0 | 234 8 6.5 4.8 6 400 6860 270 31 31.0 -0.0 | 254 17 16.5 4.8 7 300 8720 280 25 24.6 -4.3 | 267 10 10.2 0.5 8 250 9840 285 25 24.1 -6.5 | 280 10 9.7 -1.7 9 200 11180 300 25 21.7 -12.5 | 317 11 7.2 -7.7 Wind Parameters Mean winds (0-6000m): 258.4 at 20.3 knts Storm direction: 288.4 at 15.2 knts Shear (0-3000m) pos: 1.2 neg: 2.7 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 154.4 deg Storm rel helicity (0-3000m) pos: 46.6 neg: 0.0 tot: 46.6 m^2/s^2 ave: 15.5 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 3.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.12 Bulk Shear: 13.48 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 ------------------------------------------------------------------------------- 500 275 11 140 5| 0.0 9.9 9.9| 13.9 0.0 13.9 27.8 0.87| 11.8 10.3 1000 255 14 172 9| 0.0 8.0 8.0| 21.6 0.0 21.6 21.6 0.70| 9.3 6.5 1500 250 15 180 10| 0.7 5.3 6.0| 28.3 0.0 28.3 18.8 0.73| 6.8 5.0 2000 249 16 185 11| 1.0 4.0 4.9| 34.5 0.0 34.5 17.3 0.75| 5.6 4.2 2500 250 17 190 11| 1.1 3.2 4.3| 40.9 0.0 40.9 16.4 0.77| 4.9 3.8 3000 251 18 194 11| 1.2 2.7 3.9| 46.6 0.0 46.6 15.5 0.78| 4.3 3.4 4000 253 19 201 11| 1.0 2.0 3.0| 50.8 0.0 50.8 12.7 0.76| 3.6 2.7 5000 256 20 206 11| 1.0 1.6 2.6| 54.2 0.0 54.2 10.8 0.74| 3.1 2.3 6000 258 20 211 10| 0.9 1.4 2.3| 60.9 0.0 60.9 10.1 0.71| 3.0 2.2 Wrote GIF file: /home/apache/climate/data/raob//WDK38HS/skewt/WDK38HS.skewt.20251206.12.gif