UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010512.upa.cvt Date: 1200Z 5 JAN 26 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 5 JAN 26 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 53 210 1 SFC 995 91 -11.5 -13.4 86 1.9 -11.9 210 1 262.0 262.2 261.5 265.7 1.36 2 982 193 -7.1 -9.1 86 2.0 -7.7 217 5 267.4 267.8 266.5 272.7 1.95 3 925 657 -9.9 -14.2 71 4.3 -10.9 250 25 269.2 269.4 266.7 273.0 1.37 4 880 1040 -13.3 -17.1 73 3.8 -14.1 262 30 269.5 269.7 266.5 272.7 1.14 5 850 1304 -12.9 -16.7 73 3.8 -13.7 270 33 272.6 272.8 268.7 276.1 1.22 6 848 1322 -12.9 -16.7 73 3.8 -13.7 270 33 272.8 273.0 268.8 276.3 1.22 7 790 1859 -15.1 -18.6 75 3.5 -15.9 268 33 276.0 276.2 270.7 279.3 1.11 8 700 2761 -21.3 -27.3 58 6.0 -22.2 265 33 278.9 279.0 271.5 280.7 0.58 9 699 2772 -21.3 -27.3 58 6.0 -22.2 265 33 279.0 279.1 271.6 280.8 0.58 10 581 4102 -32.1 -39.1 50 7.0 -32.6 257 29 281.5 281.6 272.5 282.3 0.22 11 500 5140 -40.5 -46.5 52 6.0 -40.8 250 25 283.7 283.7 273.5 284.1 0.12 12 456 5763 -45.5 -50.5 57 5.0 -45.7 248 30 285.0 285.0 274.2 285.3 0.08 13 400 6630 -50.7 -55.6 56 4.9 -50.8 245 36 289.1 289.1 276.3 289.3 0.05 14 374 7063 -53.9 -58.9 54 5.0 -54.0 245 36 290.5 290.5 277.0 290.6 0.04 15 339 7688 -56.3 -61.3 53 5.0 -56.3 245 36 295.5 295.5 279.4 295.6 0.03 16 320 8056 -53.7 -58.7 54 5.0 -53.8 247 38 304.0 304.0 283.1 304.2 0.04 17 300 8470 -53.1 -59.1 48 6.0 -53.2 250 40 310.5 310.5 285.5 310.7 0.04 18 250 9640 -55.9 -61.9 47 6.0 -56.0 250 46 323.0 323.0 289.7 323.1 0.04 19 200 11060 -57.1 -64.1 41 7.0 -57.2 250 48 342.3 342.3 294.9 342.5 0.03 20 194 11252 -57.5 -64.5 41 7.0 -57.6 250 48 344.7 344.7 295.5 344.8 0.03 21 179 11762 -54.9 -62.9 36 8.0 -55.1 250 47 357.0 357.0 298.1 357.2 0.05 22 150 12880 -58.9 -67.9 30 9.0 -59.0 250 46 368.6 368.6 300.4 368.7 0.03 23 149 12922 -58.9 -67.9 30 9.0 -59.0 250 46 369.3 369.3 300.5 369.4 0.03 24 137 13455 -55.1 -65.1 28 10.0 -55.4 248 46 385.0 385.0 303.1 385.2 0.04 25 111 14782 -61.5 -71.5 25 10.0 -61.7 243 47 396.9 396.9 304.8 397.0 0.02 26 102 15307 -61.7 -72.7 22 11.0 -61.9 240 48 406.2 406.2 306.0 406.3 0.02 27 100 15430 -60.7 -71.7 22 11.0 -60.9 240 48 410.4 410.5 306.6 410.6 0.02 28 98 15556 -59.1 -70.1 23 11.0 -59.4 241 48 415.9 415.9 307.3 416.1 0.03 29 70 17640 -62.5 -74.5 18 12.0 -62.7 250 44 450.7 450.7 310.9 450.8 0.02 30 50 19720 -63.3 -75.3 18 12.0 -63.6 240 68 494.3 494.3 314.5 494.5 0.03 31 47 20101 -62.2 -74.7 17 12.5 -62.6 240 68 505.7 505.7 315.4 505.9 0.03 32 44 20510 -61.1 -74.1 16 13.0 -61.6 518.1 518.1 316.2 518.3 0.04 TRP 339 7688 -56.3 -61.3 53 5.0 -56.3 245 36 295.5 295.5 279.4 295.6 0.03 WND 47 20101 -62.2 -74.7 17 12.5 -62.6 240 68 505.7 505.7 315.4 505.9 0.03 Sounding variables and indices 1000-500 mb thick: 5087.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 62.69 % Est. max temperature: -0.56 C = 30.98 F Sfc-Lift cond lev (LCL): 964.93 mb = 329.18 m = 1079.98 ft T: -7.92 C 700-500 lapse rate: 8.07 C/km ThetaE index: 0.29 C Layer 880.0- 850.0 mb Conv cond level (CCL): 806.77 mb = 1699.77 m = 5576.60 ft Mean mixing ratio: 1.55 g/kg Conv temperature: 1.55 C = 34.78 F Cap Strength: 8.31 C Lifted Index: 9.40 C Risk: None Lifted Index @300 mb: 26.98 C Lifted Index @700 mb: 7.22 C Showalter Index: 6.50 C Risk: None Total Totals Index: 51.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.60 C Cross Totals Index: 23.80 C K Index: 4.90 Risk: None Sweat Index: 139.00 Risk: None Energy Index: 1.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.99 J/kg Max Up Vert Vel: 5.10 m/s Conv Inhibition (B-): 35783.29 J/kg Cap Strength: 9.34 C Lift Cond Lev (LCL): 897.34 mb = 889.83 m = 2919.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 289 at 21 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 ---------------------------------------------------------- 0 995 91 210 1 0.5 0.9 | 112 21 -19.7 7.9 1 925 657 250 25 23.5 8.6 | 192 16 3.3 15.6 2 850 1304 270 33 33.0 -0.0 | 241 15 12.8 7.0 3 700 2761 265 33 32.9 2.9 | 232 16 12.7 9.9 4 500 5140 250 25 23.5 8.6 | 192 16 3.3 15.6 5 400 6630 245 36 32.6 15.2 | 209 25 12.5 22.2 6 339 7688 245 36 32.6 15.2 | 209 25 12.5 22.2 7 300 8470 250 40 37.6 13.7 | 220 27 17.4 20.7 8 250 9640 250 46 43.2 15.7 | 225 32 23.1 22.7 9 200 11060 250 48 45.1 16.4 | 227 34 25.0 23.4 10 150 12880 250 46 43.2 15.7 | 225 32 23.1 22.7 11 100 15430 240 48 41.6 24.0 | 215 38 21.4 31.0 12 70 17640 250 44 41.3 15.0 | 224 31 21.2 22.1 13 50 19720 240 68 58.9 34.0 | 223 56 38.7 41.0 Wind Parameters Mean winds (0-6000m): 259.2 at 28.4 knts Storm direction: 289.2 at 21.3 knts Shear (0-3000m) pos: 5.6 neg: 0.6 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 114.6 deg Storm rel helicity (0-3000m) pos: 172.0 neg: -16.2 tot: 155.7 m^2/s^2 ave: 51.9 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 5.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.33 Bulk Shear: 39.16 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 ------------------------------------------------------------------------------- 500 249 12 140 15| 22.0 0.0 22.0|108.4 0.0 108.4 216.7 0.98| 23.3 22.8 1000 254 19 173 12| 15.3 0.0 15.3|155.4 0.0 155.4 155.4 0.98| 17.7 17.4 1500 261 24 197 11| 11.1 0.0 11.1|172.0 -1.4 170.6 113.7 0.96| 13.5 13.0 2000 263 26 209 12| 8.4 0.3 8.6|172.0 -4.8 167.2 83.6 0.92| 10.4 9.5 2500 264 28 216 12| 6.7 0.4 7.1|172.0 -8.3 163.7 65.5 0.88| 8.5 7.4 3000 264 28 219 13| 5.6 0.6 6.2|172.0 -16.2 155.7 51.9 0.79| 7.4 5.9 4000 263 29 219 13| 4.2 1.0 5.2|172.0 -35.8 136.2 34.0 0.62| 6.2 3.8 5000 261 28 215 14| 3.3 1.3 4.6|172.0 -54.3 117.6 23.5 0.48| 5.4 2.6 6000 259 28 212 15| 2.8 1.1 3.9|191.7 -54.3 137.4 22.9 0.49| 5.1 2.5 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20260105.12.gif