UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for U3955... Searching the city database file for: U3955 ... Date:0000Z 7 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 1021 48 -23.7 -26.4 78 2.7 -23.9 360 1 248.0 248.0 247.9 249.1 0.43 1 1000 200 -22.1 -24.8 79 2.7 -22.4 355 3 251.1 251.1 250.7 252.4 0.51 2 980 348 -20.7 -22.9 82 2.2 -21.0 351 4 253.9 254.0 253.5 255.6 0.62 3 925 773 -21.7 -24.5 78 2.8 -22.1 340 7 257.1 257.2 256.0 258.7 0.57 4 852 1372 -22.7 -26.5 71 3.8 -23.2 335 13 262.2 262.3 260.0 263.6 0.51 5 850 1389 -22.7 -26.5 71 3.8 -23.2 335 13 262.4 262.4 260.1 263.8 0.52 6 781 2010 -22.7 -27.7 64 5.0 -23.3 331 17 268.8 268.9 264.8 270.3 0.50 7 700 2807 -26.5 -34.5 47 8.0 -27.2 325 23 273.1 273.2 267.4 274.0 0.29 8 603 3875 -31.1 -43.1 30 12.0 -31.9 321 28 279.7 279.8 271.2 280.2 0.14 9 542 4624 -35.9 -48.9 25 13.0 -36.5 317 32 282.7 282.7 272.9 283.0 0.08 10 500 5180 -39.7 -52.7 24 13.0 -40.2 315 35 284.6 284.6 273.9 284.8 0.06 11 400 6670 -49.3 -61.3 23 12.0 -49.5 305 36 290.9 290.9 277.2 291.0 0.02 12 375 7091 -52.5 -64.5 22 12.0 -52.7 304 39 292.1 292.1 277.7 292.2 0.02 13 306 8395 -57.1 -68.1 24 11.0 -57.2 300 48 303.1 303.1 282.7 303.2 0.01 14 300 8520 -57.5 -68.5 23 11.0 -57.6 300 48 304.3 304.3 283.1 304.3 0.01 15 250 9670 -57.9 -68.9 23 11.0 -58.0 295 54 320.0 320.0 288.8 320.0 0.01 16 246 9772 -58.3 -69.3 23 11.0 -58.4 295 53 320.9 320.9 289.0 320.9 0.01 17 200 11080 -57.1 -69.1 20 12.0 -57.3 295 46 342.3 342.3 294.9 342.4 0.02 18 186 11539 -55.5 -67.5 21 12.0 -55.7 295 46 352.1 352.1 297.1 352.2 0.02 19 150 12900 -57.5 -70.5 18 13.0 -57.7 295 46 371.0 371.0 300.8 371.1 0.02 20 100 15450 -60.5 -74.5 14 14.0 -60.7 290 44 410.8 410.8 306.6 410.9 0.02 21 91 16037 -61.3 -76.3 12 15.0 -61.6 290 45 420.5 420.5 307.8 420.5 0.01 22 70 17650 -65.5 -80.5 11 15.0 -65.7 290 46 444.3 444.3 310.3 444.3 0.01 23 52 19446 -70.1 -85.1 9 15.0 -70.2 290 48 473.0 473.0 312.9 473.0 0.01 24 50 19680 -69.9 -84.9 9 15.0 -70.1 290 48 478.8 478.8 313.4 478.8 0.01 25 32 22316 -73.1 -88.1 8 15.0 -73.2 535.4 535.4 317.2 535.4 0.01 TRP 306 8395 -57.1 -68.1 24 11.0 -57.2 300 48 303.1 303.1 282.7 303.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 4980.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 51.20 % Est. max temperature: -10.78 C = 12.60 F Sfc-Lift cond lev (LCL): 976.11 mb = 377.66 m = 1239.02 ft T: -20.77 C 700-500 lapse rate: 5.56 C/km ThetaE index: 0.00 C Layer 1021.0- -0.0 mb Conv cond level (CCL): 660.21 mb = 3225.95 m = 10583.68 ft Mean mixing ratio: 0.56 g/kg Conv temperature: 4.21 C = 39.58 F Cap Strength: 23.03 C Lifted Index: 24.09 C Risk: None Lifted Index @300 mb: 34.71 C Lifted Index @700 mb: 16.43 C Showalter Index: 17.17 C Risk: None Total Totals Index: 30.20 C Risk: None Vertical Totals Index: 17.00 C Cross Totals Index: 13.20 C K Index: -17.50 Risk: None Sweat Index: 61.00 Risk: None Energy Index: 4.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.12 J/kg Max Up Vert Vel: 8.14 m/s Conv Inhibition (B-): 45155.75 J/kg Cap Strength: 24.06 C Lift Cond Lev (LCL): 930.34 mb = 730.70 m = 2397.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 351 at 17 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 1021 48 360 1 -0.0 -1.0 | 170 16 -2.8 15.7 1 1000 200 355 3 0.3 -3.0 | 170 14 -2.5 13.7 2 925 773 340 7 2.4 -6.6 | 178 10 -0.4 10.1 3 850 1389 335 13 5.5 -11.8 | 209 6 2.7 4.9 4 700 2807 325 23 13.2 -18.8 | 282 11 10.4 -2.2 5 500 5180 315 35 24.7 -24.7 | 290 23 22.0 -8.1 6 400 6670 305 36 29.5 -20.6 | 278 27 26.7 -4.0 7 306 8395 300 48 41.6 -24.0 | 281 39 38.8 -7.3 8 300 8520 300 48 41.6 -24.0 | 281 39 38.8 -7.3 9 250 9670 295 54 48.9 -22.8 | 278 47 46.2 -6.1 10 200 11080 295 46 41.7 -19.4 | 274 39 38.9 -2.8 11 150 12900 295 46 41.7 -19.4 | 274 39 38.9 -2.8 12 100 15450 290 44 41.3 -15.0 | 268 39 38.6 1.6 13 70 17650 290 46 43.2 -15.7 | 269 40 40.4 1.0 14 50 19680 290 48 45.1 -16.4 | 270 42 42.3 0.3 Wind Parameters Mean winds (0-6000m): 320.5 at 22.6 knts Storm direction: 350.5 at 16.9 knts Shear (0-3000m) pos: 0.0 neg: 4.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 114.3 deg Storm rel helicity (0-3000m) pos: 27.4 neg: -0.4 tot: 27.0 m^2/s^2 ave: 9.0 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.65 Bulk Shear: 50.70 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 ------------------------------------------------------------------------------- 500 350 4 171 13| 0.0 4.6 4.6| 2.3 -0.4 1.9 3.7 0.13| 4.7 0.6 1000 343 5 174 12| 0.0 4.5 4.5| 8.1 -0.4 7.7 7.7 0.32| 4.6 1.5 1500 339 8 180 10| 0.0 4.5 4.5| 14.0 -0.4 13.6 9.1 0.48| 4.6 2.2 2000 336 10 188 8| 0.0 4.3 4.3| 19.0 -0.4 18.6 9.3 0.58| 4.4 2.6 2500 333 12 201 7| 0.0 4.2 4.2| 23.7 -0.4 23.3 9.3 0.60| 4.3 2.6 3000 331 13 217 6| 0.0 4.0 4.0| 27.4 -0.4 27.0 9.0 0.57| 4.1 2.4 4000 327 17 247 7| 0.0 3.7 3.7| 32.0 -0.4 31.6 7.9 0.51| 3.8 1.9 5000 324 20 266 9| 0.0 3.5 3.5| 33.4 -0.5 32.9 6.6 0.44| 3.6 1.6 6000 321 23 274 12| 0.0 3.0 3.0| 33.4 -19.9 13.5 2.2 0.31| 3.4 1.1 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20251207.00.gif