UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for U3955... Searching the city database file for: U3955 ... Date:0000Z 9 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 1031 46 -19.9 -22.0 83 2.1 -20.2 290 3 251.0 251.1 251.0 252.7 0.64 1 1000 273 -18.7 -20.4 86 1.7 -19.0 310 3 254.4 254.6 254.2 256.5 0.75 2 998 288 -18.5 -20.1 87 1.6 -18.7 311 3 254.8 254.9 254.5 256.9 0.78 3 972 487 -11.5 -12.9 89 1.4 -11.8 321 4 263.8 264.0 263.0 267.7 1.45 4 940 745 -9.3 -10.3 92 1.0 -9.6 334 6 268.6 268.9 267.1 273.6 1.85 5 925 869 -9.5 -10.5 92 1.0 -9.8 340 7 269.6 269.9 267.8 274.7 1.85 6 850 1516 -14.5 -17.3 79 2.8 -15.1 350 11 271.0 271.1 267.5 274.2 1.16 7 808 1898 -17.1 -20.4 75 3.3 -17.7 349 13 272.1 272.3 267.9 274.8 0.93 8 745 2500 -22.1 -26.2 69 4.1 -22.7 347 15 273.1 273.2 268.0 274.9 0.60 9 700 2954 -26.1 -29.4 74 3.3 -26.5 345 17 273.6 273.7 268.0 275.0 0.48 10 670 3270 -29.1 -31.8 77 2.7 -29.3 346 18 273.7 273.7 267.9 274.9 0.40 11 631 3700 -27.5 -29.7 81 2.2 -27.8 348 19 280.2 280.3 272.2 281.8 0.52 12 500 5340 -38.3 -41.7 70 3.4 -38.5 355 23 286.3 286.4 275.1 287.0 0.20 13 400 6830 -50.5 -54.4 63 3.9 -50.6 350 21 289.4 289.4 276.5 289.6 0.06 14 342 7833 -57.9 -62.4 56 4.5 -57.9 336 19 292.6 292.6 278.0 292.6 0.03 15 300 8650 -62.3 -66.8 55 4.5 -62.3 325 17 297.5 297.5 280.3 297.6 0.02 16 283 9008 -64.7 -69.2 54 4.5 -64.7 323 17 299.1 299.1 281.0 299.1 0.01 17 250 9760 -67.3 -71.8 53 4.5 -67.3 320 17 306.0 306.0 283.8 306.0 0.01 18 224 10419 -69.1 -73.7 51 4.6 -69.1 320 19 313.0 313.0 286.4 313.0 0.01 19 200 11100 -66.9 -71.5 52 4.6 -67.0 325 19 326.8 326.8 290.8 326.9 0.01 20 161 12418 -64.5 -69.1 53 4.6 -64.6 314 22 351.8 351.8 297.0 351.9 0.02 21 150 12850 -64.7 -69.3 53 4.6 -64.8 310 23 358.6 358.6 298.4 358.7 0.02 22 100 15320 -65.5 -70.2 52 4.7 -65.5 290 23 401.2 401.2 305.4 401.3 0.03 23 89 16027 -66.3 -71.3 49 5.0 -66.4 290 25 413.2 413.2 306.9 413.3 0.03 24 70 17470 -69.3 -74.3 48 5.0 -69.4 290 29 436.1 436.1 309.5 436.3 0.02 25 50 19460 -72.3 -77.3 47 5.0 -72.3 280 31 473.1 473.1 312.9 473.2 0.02 26 45 20078 -73.3 -79.3 39 6.0 -73.4 485.2 485.2 313.8 485.3 0.02 TRP 224 10419 -69.1 -73.7 51 4.6 -69.1 320 19 313.0 313.0 286.4 313.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5067.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 78.57 % Est. max temperature: -0.39 C = 31.30 F Sfc-Lift cond lev (LCL): 996.00 mb = 303.11 m = 994.43 ft T: -17.97 C 700-500 lapse rate: 5.11 C/km ThetaE index: 0.46 C Layer 850.0- 808.0 mb Conv cond level (CCL): 1000.00 mb = 273.00 m = 895.66 ft Mean mixing ratio: 1.23 g/kg Conv temperature: -12.36 C = 9.75 F Cap Strength: 14.84 C Lifted Index: 18.63 C Risk: None Lifted Index @300 mb: 23.99 C Lifted Index @700 mb: 9.62 C Showalter Index: 10.20 C Risk: None Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.80 C Cross Totals Index: 21.00 C K Index: 3.20 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 2.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 79.27 J/kg Max Up Vert Vel: 12.59 m/s Conv Inhibition (B-): 34177.83 J/kg Cap Strength: 18.37 C Lift Cond Lev (LCL): 969.92 mb = 503.82 m = 1652.92 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 19 at 12 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 1031 46 290 3 2.8 -1.0 | 214 12 6.7 10.1 1 1000 273 310 3 2.3 -1.9 | 214 11 6.2 9.2 2 925 869 340 7 2.4 -6.6 | 234 8 6.3 4.5 3 850 1516 350 11 1.9 -10.8 | 267 6 5.8 0.3 4 700 2954 345 17 4.4 -16.4 | 303 10 8.3 -5.3 5 500 5340 355 23 2.0 -22.9 | 333 13 5.9 -11.8 6 400 6830 350 21 3.6 -20.7 | 322 12 7.5 -9.6 7 300 8650 325 17 9.8 -13.9 | 282 14 13.7 -2.8 8 250 9760 320 17 10.9 -13.0 | 277 15 14.8 -1.9 9 224 10419 320 19 12.2 -14.6 | 282 16 16.1 -3.4 10 200 11100 325 19 10.9 -15.6 | 287 15 14.8 -4.4 11 150 12850 310 23 17.6 -14.8 | 280 22 21.5 -3.7 12 100 15320 290 23 21.6 -7.9 | 263 26 25.5 3.3 13 70 17470 290 29 27.3 -9.9 | 268 31 31.2 1.2 14 50 19460 280 31 30.5 -5.4 | 261 35 34.4 5.7 Wind Parameters Mean winds (0-6000m): 349.3 at 15.7 knts Storm direction: 19.3 at 11.8 knts Shear (0-3000m) pos: 1.7 neg: 1.1 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 90.3 deg Storm rel helicity (0-3000m) pos: 24.9 neg: 0.0 tot: 24.9 m^2/s^2 ave: 8.3 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 2.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.47 Bulk Shear: 22.87 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 ------------------------------------------------------------------------------- 500 311 3 217 11| 3.0 0.0 3.0| 4.9 0.0 4.9 9.8 0.57| 3.1 1.8 1000 330 5 223 9| 3.5 0.0 3.5| 10.9 0.0 10.9 10.9 0.64| 3.6 2.3 1500 339 7 231 8| 3.4 0.0 3.4| 15.9 0.0 15.9 10.6 0.73| 3.5 2.5 2000 343 8 240 7| 2.6 0.5 3.1| 19.0 0.0 19.0 9.5 0.75| 3.2 2.4 2500 344 9 251 7| 2.1 0.9 2.9| 22.0 0.0 22.0 8.8 0.74| 3.0 2.2 3000 344 10 261 7| 1.7 1.1 2.8| 24.9 0.0 24.9 8.3 0.73| 2.8 2.0 4000 346 12 277 7| 1.6 0.8 2.4| 32.0 0.0 32.0 8.0 0.75| 2.5 1.9 5000 348 14 292 7| 1.6 0.6 2.2| 40.0 0.0 40.0 8.0 0.77| 2.3 1.8 6000 349 16 302 8| 1.4 0.5 1.9| 42.5 -4.2 38.3 6.4 0.68| 2.1 1.4 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20251209.00.gif