UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112900.upa.cvt Date: 0000Z 29 NOV 25 Searching for U4641... Searching the city database file for: U4641 ... Date:0000Z 29 NOV 25 Station: U4641 WMO ident: 24641 Latitude: 63.77 Longitude: 121.62 ------------------------------------------------------------------------------- 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 1004 110 -36.7 -40.4 68 3.7 -36.8 255 1 236.2 236.2 236.1 236.5 0.11 1 1000 138 -36.9 -40.9 66 4.0 -37.0 270 1 236.2 236.3 236.1 236.5 0.11 2 996 166 -37.1 -41.7 62 4.6 -37.2 276 1 236.3 236.3 236.2 236.6 0.10 3 970 351 -30.9 -35.5 64 4.6 -31.2 315 4 244.4 244.4 244.0 244.9 0.19 4 962 411 -24.1 -28.9 64 4.8 -24.5 327 5 251.8 251.9 251.1 252.8 0.36 5 952 487 -20.9 -25.4 67 4.5 -21.4 343 6 255.8 255.9 254.8 257.2 0.51 6 925 700 -20.7 -24.2 73 3.5 -21.1 25 9 258.1 258.2 256.9 259.8 0.58 7 899 910 -21.7 -25.0 75 3.3 -22.1 44 10 259.2 259.3 257.7 260.8 0.56 8 850 1320 -24.7 -28.4 71 3.7 -25.1 80 11 260.3 260.3 258.3 261.5 0.43 9 773 2004 -29.5 -33.0 72 3.5 -29.8 82 10 262.3 262.3 259.6 263.2 0.31 10 765 2079 -27.9 -31.3 73 3.4 -28.2 83 10 264.8 264.8 261.6 265.8 0.37 11 700 2713 -30.9 -34.3 72 3.4 -31.2 85 9 268.3 268.3 264.0 269.2 0.30 12 618 3588 -35.7 -40.7 60 5.0 -36.0 68 6 272.5 272.5 266.7 273.0 0.18 13 500 5030 -45.7 -50.7 57 5.0 -45.9 40 1 277.3 277.3 269.7 277.6 0.07 14 499 5043 -45.9 -50.9 57 5.0 -46.0 39 1 277.2 277.2 269.6 277.5 0.07 15 451 5711 -48.1 -53.1 56 5.0 -48.2 340 2 282.6 282.6 272.8 282.8 0.06 16 400 6490 -53.1 -58.1 54 5.0 -53.2 270 3 286.0 286.0 274.6 286.1 0.04 17 386 6719 -54.7 -59.7 54 5.0 -54.8 271 4 286.8 286.8 275.0 286.9 0.03 18 323 7854 -57.9 -63.9 46 6.0 -58.0 275 9 297.4 297.4 280.2 297.5 0.02 19 300 8320 -58.7 -64.7 46 6.0 -58.7 270 9 302.6 302.6 282.4 302.7 0.02 20 292 8490 -58.9 -64.9 46 6.0 -59.0 266 10 304.7 304.7 283.3 304.7 0.02 21 265 9101 -57.1 -63.1 46 6.0 -57.2 250 12 315.9 315.9 287.4 316.0 0.03 22 250 9470 -57.5 -63.5 46 6.0 -57.6 240 13 320.6 320.6 288.9 320.7 0.03 23 200 10880 -56.9 -63.9 41 7.0 -57.1 215 13 342.7 342.7 295.0 342.8 0.04 24 150 12690 -59.1 -68.1 30 9.0 -59.3 205 17 368.3 368.3 300.3 368.4 0.03 25 100 15220 -61.3 -72.3 22 11.0 -61.5 180 21 409.3 409.3 306.5 409.4 0.02 26 70 17430 -62.3 -74.3 19 12.0 -62.6 190 21 451.1 451.1 311.0 451.2 0.02 27 57 18696 -63.1 -76.1 16 13.0 -63.4 476.6 476.6 313.2 476.7 0.02 TRP 323 7854 -57.9 -63.9 46 6.0 -58.0 275 9 297.4 297.4 280.2 297.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 4892.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 66.29 % Est. max temperature: -12.67 C = 9.20 F Sfc-Lift cond lev (LCL): 941.69 mb = 567.81 m = 1862.88 ft T: -20.82 C 700-500 lapse rate: 6.39 C/km Conv cond level (CCL): 1000.00 mb = 138.00 m = 452.75 ft Mean mixing ratio: 0.39 g/kg Conv temperature: -27.61 C = -17.70 F Cap Strength: 18.30 C Lifted Index: 21.14 C Risk: None Lifted Index @300 mb: 36.14 C Lifted Index @700 mb: 15.31 C Showalter Index: 13.05 C Risk: None Total Totals Index: 38.30 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 17.30 C K Index: -10.80 Risk: None Sweat Index: 23.00 Risk: None Energy Index: 3.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 115.73 J/kg Max Up Vert Vel: 15.21 m/s Conv Inhibition (B-): 35529.27 J/kg Cap Strength: 20.99 C Lift Cond Lev (LCL): 915.89 mb = 772.96 m = 2535.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 101 at 4 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 1004 110 255 1 1.0 0.3 | 276 5 5.4 -0.6 1 1000 138 270 1 1.0 -0.0 | 279 5 5.4 -0.9 2 925 700 25 9 -3.8 -8.2 | 356 9 0.6 -9.0 3 850 1320 80 11 -10.8 -1.9 | 67 7 -6.4 -2.8 4 700 2713 85 9 -9.0 -0.8 | 70 5 -4.5 -1.6 5 500 5030 40 1 -0.6 -0.8 | 293 4 3.8 -1.6 6 400 6490 270 3 3.0 -0.0 | 277 7 7.4 -0.9 7 323 7854 275 9 9.0 -0.8 | 277 13 13.4 -1.6 8 300 8320 270 9 9.0 -0.0 | 274 13 13.4 -0.9 9 250 9470 240 13 11.3 6.5 | 250 17 15.7 5.6 10 200 10880 215 13 7.5 10.6 | 230 15 11.9 9.8 11 150 12690 205 17 7.2 15.4 | 219 19 11.6 14.6 12 100 15220 180 21 0.0 21.0 | 192 21 4.4 20.1 13 70 17430 190 21 3.6 20.7 | 202 21 8.1 19.8 Wind Parameters Mean winds (0-6000m): 70.9 at 6.0 knts Storm direction: 100.9 at 4.5 knts Shear (0-3000m) pos: 1.7 neg: 0.3 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 133.8 deg Storm rel helicity (0-3000m) pos: 46.7 neg: -1.8 tot: 44.9 m^2/s^2 ave: 15.0 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 3.5 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 22.79 Bulk Shear: 5.08 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 ------------------------------------------------------------------------------- 500 358 4 318 7| 8.4 0.0 8.4| 19.5 0.0 19.5 39.0 0.86| 10.6 9.1 1000 34 7 354 6| 5.8 0.0 5.8| 39.5 0.0 39.5 39.5 0.91| 10.1 9.2 1500 54 8 21 6| 4.0 0.0 4.0| 46.3 0.0 46.3 30.9 0.91| 8.1 7.4 2000 63 9 35 6| 2.8 0.0 2.8| 46.5 0.0 46.5 23.3 0.89| 6.2 5.6 2500 68 9 43 6| 2.1 0.0 2.1| 46.7 0.0 46.7 18.7 0.87| 5.2 4.5 3000 71 9 46 5| 1.7 0.3 2.1| 46.7 -1.8 44.9 15.0 0.75| 4.6 3.5 4000 71 8 43 5| 1.3 0.7 2.0| 46.7 -5.2 41.5 10.4 0.53| 4.0 2.1 5000 73 7 38 4| 1.0 0.9 1.9| 46.8 -8.1 38.7 7.7 0.39| 3.5 1.4 6000 71 6 24 3| 0.9 1.0 1.8| 47.2 -10.0 37.2 6.2 0.33| 3.2 1.1 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251129.00.gif