UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121012.upa.cvt Date: 1200Z 10 DEC 25 Searching for UHNN... Searching the city database file for: UHNN ... Date:1200Z 10 DEC 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 1002 68 -28.3 -32.2 69 3.9 -28.6 360 1 244.7 244.7 244.5 245.4 0.26 1 1000 59 -27.9 -31.8 69 3.9 -28.2 355 1 245.2 245.3 245.0 246.0 0.27 2 977 227 -24.1 -28.0 70 3.9 -24.5 331 6 250.7 250.8 250.2 251.8 0.39 3 968 295 -20.9 -24.6 72 3.7 -21.4 322 8 254.6 254.7 253.9 256.1 0.54 4 925 630 -22.7 -27.4 65 4.7 -23.2 275 17 256.1 256.2 254.9 257.3 0.44 5 850 1244 -27.3 -31.8 66 4.5 -27.7 270 23 257.5 257.6 255.8 258.4 0.31 6 791 1758 -30.9 -35.0 67 4.1 -31.2 263 18 259.1 259.1 256.9 259.8 0.25 7 768 1968 -31.3 -35.1 69 3.8 -31.6 260 16 260.8 260.9 258.3 261.6 0.25 8 728 2350 -26.9 -30.1 74 3.2 -27.2 254 12 269.7 269.7 265.3 270.9 0.43 9 700 2632 -28.5 -31.9 73 3.4 -28.8 250 9 270.9 271.0 266.1 272.1 0.38 10 633 3351 -31.7 -35.9 66 4.2 -32.0 260 8 275.2 275.2 268.7 276.1 0.28 11 584 3916 -36.7 -41.6 60 4.9 -37.0 269 8 275.8 275.8 268.8 276.3 0.17 12 500 4980 -43.3 -49.3 52 6.0 -43.5 285 7 280.2 280.3 271.5 280.5 0.09 13 445 5754 -48.3 -55.3 44 7.0 -48.4 267 7 283.4 283.4 273.2 283.6 0.05 14 400 6450 -50.9 -57.9 43 7.0 -51.0 250 7 288.8 288.8 276.1 289.0 0.04 15 346 7386 -54.5 -62.5 37 8.0 -54.6 296.2 296.2 279.7 296.3 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 4921.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 65.24 % Est. max temperature: -15.50 C = 4.11 F Sfc-Lift cond lev (LCL): 938.16 mb = 525.96 m = 1725.56 ft T: -22.14 C 700-500 lapse rate: 6.30 C/km ThetaE index: 0.00 C Layer 1002.0-190232055819272192.0 mb Conv cond level (CCL): 1000.00 mb = 59.00 m = 193.57 ft Mean mixing ratio: 0.43 g/kg Conv temperature: -26.60 C = -15.88 F Cap Strength: 18.18 C Lifted Index: 20.99 C Risk: None Lifted Index @700 mb: 14.96 C Showalter Index: 17.94 C Risk: None Total Totals Index: 27.50 C Risk: None Vertical Totals Index: 16.00 C Cross Totals Index: 11.50 C K Index: -19.20 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 4.74 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.19 J/kg Max Up Vert Vel: 8.85 m/s Conv Inhibition (B-): 4916.55 J/kg Cap Strength: 20.68 C Lift Cond Lev (LCL): 889.23 mb = 916.39 m = 3006.51 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 298 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 1002 68 360 1 -0.0 -1.0 | 112 8 -7.2 2.9 1 1000 59 355 1 0.1 -1.0 | 112 8 -7.1 2.9 2 925 630 275 17 16.9 -1.5 | 256 10 9.7 2.4 3 850 1244 270 23 23.0 -0.0 | 256 16 15.8 3.9 4 700 2632 250 9 8.5 3.1 | 190 7 1.2 6.9 5 500 4980 285 7 6.8 -1.8 | 167 2 -0.5 2.0 6 400 6450 250 7 6.6 2.4 | 174 6 -0.7 6.2 Wind Parameters Mean winds (0-6000m): 268.1 at 10.9 knts Storm direction: 298.1 at 8.2 knts Shear (0-3000m) pos: 0.2 neg: 1.7 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 81.0 deg Storm rel helicity (0-3000m) pos: 0.4 neg: -54.6 tot: -54.2 m^2/s^2 ave: -18.1 10^-3 m/s^2 rel: -0.66 Storm rel vorticity (0-3000m) horiz: 7.4 stream: -4.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 27.92 Bulk Shear: 1.40 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 ------------------------------------------------------------------------------- 500 279 8 199 3| 0.0 15.3 15.3| 0.0 -15.8 -15.8 -31.6 -0.82| 18.8-15.3 1000 275 14 247 7| 0.0 10.9 10.9| 0.2 -20.2 -19.9 -19.9 -0.65| 13.2 -8.6 1500 272 16 250 9| 0.0 6.8 6.8| 0.2 -30.8 -30.5 -20.3 -0.63| 10.5 -6.7 2000 270 16 247 10| 0.0 3.8 3.8| 0.2 -43.4 -43.1 -21.6 -0.65| 9.3 -6.0 2500 269 16 243 9| 0.0 2.1 2.1| 0.2 -53.5 -53.2 -21.3 -0.67| 8.5 -5.8 3000 267 15 238 9| 0.2 1.7 1.9| 0.4 -54.6 -54.2 -18.1 -0.66| 7.4 -4.9 4000 267 13 231 7| 0.5 1.3 1.7| 0.5 -54.8 -54.4 -13.6 -0.63| 5.8 -3.7 5000 268 12 226 6| 0.5 1.0 1.6| 0.5 -55.5 -55.0 -11.0 -0.62| 4.9 -3.0 6000 268 11 221 6| 0.4 1.0 1.4| 0.8 -55.6 -54.8 -9.1 -0.58| 4.3 -2.5 Wrote GIF file: /home/apache/climate/data/raob//UHNN/skewt/UHNN.skewt.20251210.12.gif