UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102012.upa.cvt Date: 1200Z 20 OCT 25 Searching for UHNN... Searching the city database file for: UHNN ... Date:1200Z 20 OCT 25 Station: UHNN WMO ident: 31369 Latitude: 53.15 Longitude: 140.70 Elevation: 68.00 ------------------------------------------------------------------------------- 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 68 -1.7 -4.0 84 2.3 -2.5 270 5 270.6 271.1 270.0 278.2 2.81 1 1000 134 -2.1 -4.2 86 2.1 -2.9 290 9 271.0 271.5 270.3 278.6 2.80 2 945 581 -4.7 -7.5 81 2.8 -5.6 308 18 272.8 273.2 270.7 279.2 2.30 3 925 748 -6.7 -9.9 78 3.2 -7.7 315 21 272.5 272.8 269.8 277.9 1.94 4 850 1404 -11.3 -14.4 78 3.1 -12.1 325 23 274.3 274.6 270.2 278.5 1.47 5 775 2104 -17.1 -19.5 82 2.4 -17.6 335 22 275.4 275.6 270.2 278.5 1.05 6 722 2633 -18.7 -20.7 84 2.0 -19.1 342 21 279.3 279.5 272.5 282.3 1.02 7 700 2863 -20.3 -22.8 80 2.5 -20.7 345 21 280.0 280.2 272.6 282.6 0.87 8 642 3498 -25.5 -28.4 77 2.9 -25.9 340 22 281.1 281.2 272.8 282.9 0.57 9 614 3821 -26.1 -29.0 77 2.9 -26.5 337 22 284.0 284.1 274.5 285.8 0.57 10 520 5006 -33.7 -37.9 66 4.2 -34.0 327 23 288.7 288.7 276.5 289.6 0.28 11 500 5280 -35.9 -39.8 67 3.9 -36.2 325 23 289.3 289.3 276.7 290.1 0.24 12 487 5462 -37.5 -41.5 66 4.0 -37.8 289.5 289.5 276.7 290.2 0.21 TRP WND Sounding variables and indices 1000-500 mb thick: 5146.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 77.16 % Est. max temperature: 1.74 C = 35.13 F Sfc-Lift cond lev (LCL): 975.09 mb = 333.15 m = 1093.00 ft T: -3.26 C 700-500 lapse rate: 6.45 C/km ThetaE index: 1.31 C Layer 925.0- 850.0 mb Conv cond level (CCL): 912.11 mb = 856.87 m = 2811.23 ft Mean mixing ratio: 2.39 g/kg Conv temperature: 0.48 C = 32.86 F Cap Strength: 8.82 C Lifted Index: 9.08 C Risk: None Lifted Index @700 mb: 3.41 C Showalter Index: 9.20 C Risk: None Total Totals Index: 46.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.60 C Cross Totals Index: 21.50 C K Index: 7.70 Risk: None Sweat Index: 69.00 Risk: None Energy Index: 2.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.15 J/kg Max Up Vert Vel: 3.21 m/s Conv Inhibition (B-): 736.05 J/kg Cap Strength: 9.05 C Lift Cond Lev (LCL): 921.85 mb = 774.50 m = 2540.99 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 0 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 1011 68 270 5 5.0 -0.0 | 198 17 5.1 15.7 1 1000 134 290 9 8.5 -3.1 | 214 15 8.6 12.7 2 925 748 315 21 14.8 -14.8 | 267 15 15.0 0.9 3 850 1404 325 23 13.2 -18.8 | 283 14 13.3 -3.1 4 700 2863 345 21 5.4 -20.3 | 309 7 5.5 -4.5 5 500 5280 325 23 13.2 -18.8 | 283 14 13.3 -3.1 Wind Parameters Mean winds (0-6000m): 330.4 at 21.0 knts Storm direction: 0.4 at 15.7 knts Shear (0-3000m) pos: 3.5 neg: 0.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 108.2 deg Storm rel helicity (0-3000m) pos: 100.8 neg: -0.8 tot: 100.0 m^2/s^2 ave: 33.3 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 4.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.26 Bulk Shear: 19.61 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 ------------------------------------------------------------------------------- 500 300 12 228 14| 14.3 0.0 14.3| 55.9 0.0 55.9 111.9 0.99| 14.5 14.3 1000 311 16 248 13| 9.8 0.0 9.8| 80.4 0.0 80.4 80.4 0.99| 10.5 10.4 1500 316 18 259 13| 7.0 0.0 7.0| 90.1 0.0 90.1 60.1 0.97| 8.1 7.8 2000 320 19 266 13| 5.2 0.0 5.2| 95.0 0.0 95.0 47.5 0.93| 6.8 6.3 2500 324 20 272 12| 4.2 0.0 4.2| 98.8 0.0 98.8 39.5 0.89| 6.0 5.3 3000 327 20 276 11| 3.5 0.0 3.5|100.8 -0.8 100.0 33.3 0.85| 5.4 4.5 4000 331 20 282 10| 2.6 0.4 3.0|100.8 -5.2 95.5 23.9 0.71| 4.4 3.2 5000 331 21 283 11| 2.1 0.7 2.8|100.8 -11.0 89.8 18.0 0.60| 3.9 2.3 6000 NO DATA | 2.1 0.7 2.8| | Wrote GIF file: /home/apache/climate/data/raob//UHNN/skewt/UHNN.skewt.20251020.12.gif