UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for U3955... Searching the city database file for: U3955 ... Date:0000Z 10 DEC 25 Station: U3955 WMO ident: 23955 Latitude: 60.43 Longitude: 77.87 ------------------------------------------------------------------------------- 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 1026 49 -17.1 -20.0 78 2.9 -17.6 245 5 254.2 254.3 254.0 256.2 0.76 1 1000 242 -14.5 -17.4 79 2.9 -15.0 250 5 258.6 258.8 258.1 261.3 0.97 2 951 625 -10.5 -15.0 69 4.5 -11.5 260 9 266.5 266.7 264.6 269.9 1.25 3 925 838 -11.5 -17.5 61 6.0 -12.8 265 11 267.5 267.7 265.0 270.5 1.04 4 850 1484 -13.1 -23.1 43 10.0 -14.9 270 15 272.4 272.5 267.7 274.5 0.70 5 737 2557 -18.7 -34.7 23 16.0 -20.6 277 21 277.7 277.7 270.2 278.5 0.27 6 700 2939 -20.1 -36.1 23 16.0 -21.9 280 23 280.2 280.3 271.7 281.0 0.25 7 667 3295 -21.3 -38.3 20 17.0 -23.1 284 24 282.8 282.8 273.1 283.5 0.21 8 564 4511 -29.1 -49.1 13 20.0 -30.3 299 28 287.5 287.5 275.5 287.8 0.08 9 500 5360 -34.9 -45.9 32 11.0 -35.5 310 31 290.5 290.5 277.1 290.9 0.13 10 400 6890 -44.3 -49.3 57 5.0 -44.5 325 35 297.4 297.4 280.4 297.8 0.11 11 399 6907 -44.5 -49.5 57 5.0 -44.7 325 35 297.4 297.4 280.3 297.7 0.10 12 300 8750 -59.9 -64.9 52 5.0 -60.0 320 36 300.9 300.9 281.7 301.0 0.02 13 288 9004 -61.5 -66.5 51 5.0 -61.6 321 36 302.2 302.2 282.3 302.2 0.02 14 250 9870 -67.7 -72.7 49 5.0 -67.7 325 36 305.4 305.4 283.6 305.4 0.01 15 245 9991 -68.5 -73.5 48 5.0 -68.5 324 36 306.0 306.0 283.8 306.0 0.01 16 206 11017 -73.1 -78.1 46 5.0 -73.1 320 35 314.3 314.3 286.9 314.3 0.00 17 200 11190 -73.1 -78.1 46 5.0 -73.1 320 33 317.0 317.0 287.8 317.0 0.00 18 187 11586 -73.3 -78.3 46 5.0 -73.3 320 33 322.8 322.8 289.6 322.8 0.00 19 150 12900 -67.7 -73.7 42 6.0 -67.7 320 31 353.5 353.5 297.4 353.5 0.01 20 148 12981 -67.5 -73.5 42 6.0 -67.5 320 31 355.2 355.2 297.7 355.2 0.01 21 100 15340 -68.5 -74.5 42 6.0 -68.5 315 27 395.4 395.4 304.6 395.5 0.02 22 97 15522 -68.5 -74.5 42 6.0 -68.5 314 27 398.8 398.8 305.0 398.9 0.02 23 70 17460 -71.1 -77.1 41 6.0 -71.2 305 29 432.3 432.3 309.1 432.4 0.02 24 50 19450 -74.5 -80.5 39 6.0 -74.6 295 31 467.9 467.9 312.5 468.0 0.01 25 40 20741 -76.9 -82.9 38 6.0 -77.0 492.7 492.7 314.4 492.8 0.01 TRP 206 11017 -73.1 -78.1 46 5.0 -73.1 320 35 314.3 314.3 286.9 314.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5118.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 33.77 % Est. max temperature: -0.48 C = 31.14 F Sfc-Lift cond lev (LCL): 978.39 mb = 408.67 m = 1340.78 ft T: -12.76 C 700-500 lapse rate: 6.11 C/km Conv cond level (CCL): 675.25 mb = 3204.56 m = 10513.52 ft Mean mixing ratio: 1.06 g/kg Conv temperature: 11.06 C = 51.90 F Cap Strength: 19.28 C Lifted Index: 20.98 C Risk: None Lifted Index @300 mb: 25.39 C Lifted Index @700 mb: 14.45 C Showalter Index: 13.39 C Risk: None Total Totals Index: 33.60 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 11.80 C K Index: -17.30 Risk: None Sweat Index: 61.00 Risk: None Energy Index: 3.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.59 J/kg Max Up Vert Vel: 9.23 m/s Conv Inhibition (B-): 34810.90 J/kg Cap Strength: 20.79 C Lift Cond Lev (LCL): 916.56 mb = 908.04 m = 2979.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 322 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 1026 49 245 5 4.5 2.1 | 160 16 -5.5 14.9 1 1000 242 250 5 4.7 1.7 | 160 15 -5.3 14.5 2 925 838 265 11 11.0 1.0 | 184 14 1.0 13.8 3 850 1484 270 15 15.0 -0.0 | 201 14 5.0 12.8 4 700 2939 280 23 22.7 -4.0 | 235 15 12.7 8.8 5 500 5360 310 31 23.7 -19.9 | 297 15 13.8 -7.1 6 400 6890 325 35 20.1 -28.7 | 328 19 10.1 -15.8 7 300 8750 320 36 23.1 -27.6 | 318 20 13.2 -14.7 8 250 9870 325 36 20.6 -29.5 | 327 20 10.7 -16.7 9 206 11017 320 35 22.5 -26.8 | 318 19 12.5 -14.0 10 200 11190 320 33 21.2 -25.3 | 318 17 11.2 -12.4 11 150 12900 320 31 19.9 -23.7 | 318 15 9.9 -10.9 12 100 15340 315 27 19.1 -19.1 | 304 11 9.1 -6.3 13 70 17460 305 29 23.8 -16.6 | 285 14 13.8 -3.8 14 50 19450 295 31 28.1 -13.1 | 271 18 18.1 -0.3 Wind Parameters Mean winds (0-6000m): 292.1 at 21.7 knts Storm direction: 322.1 at 16.3 knts Shear (0-3000m) pos: 3.4 neg: 0.0 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 77.5 deg Storm rel helicity (0-3000m) pos: 74.1 neg: 0.0 tot: 74.1 m^2/s^2 ave: 24.7 10^-3 m/s^2 rel: 0.96 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 3.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.05 Bulk Shear: 40.71 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 ------------------------------------------------------------------------------- 500 252 6 164 15| 3.5 0.0 3.5| 12.5 0.0 12.5 25.1 0.87| 3.7 3.2 1000 260 8 172 14| 4.1 0.0 4.1| 28.9 0.0 28.9 28.9 0.93| 4.2 3.9 1500 264 10 180 14| 3.8 0.0 3.8| 40.5 0.0 40.5 27.0 0.95| 3.9 3.7 2000 267 12 187 14| 3.6 0.0 3.6| 51.2 0.0 51.2 25.6 0.96| 3.7 3.5 2500 270 13 194 13| 3.5 0.0 3.5| 62.3 0.0 62.3 24.9 0.96| 3.5 3.4 3000 272 15 201 13| 3.4 0.0 3.4| 74.1 0.0 74.1 24.7 0.96| 3.5 3.3 4000 278 17 214 13| 3.0 0.0 3.0| 98.8 0.0 98.8 24.7 0.97| 3.4 3.3 5000 285 20 229 12| 2.9 0.0 2.9|125.7 0.0 125.7 25.1 0.97| 3.5 3.4 6000 292 22 245 11| 2.7 0.0 2.7|151.7 0.0 151.7 25.3 0.97| 3.4 3.3 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20251210.00.gif