UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011812.upa.cvt Date: 1200Z 18 JAN 26 Searching for U3802... Searching the city database file for: U3802 ... Date:1200Z 18 JAN 26 Station: U3802 WMO ident: 23802 Latitude: 61.68 Longitude: 50.78 ------------------------------------------------------------------------------- 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 1008 119 -9.1 -12.3 78 3.2 -9.9 200 3 263.4 263.7 262.8 267.4 1.47 1 1000 181 -9.7 -13.3 75 3.6 -10.6 220 5 263.5 263.7 262.6 267.2 1.37 2 925 773 -12.9 -15.5 81 2.6 -13.5 300 13 266.1 266.3 264.3 269.5 1.23 3 916 848 -12.9 -15.6 80 2.7 -13.5 303 13 266.9 267.1 264.8 270.3 1.24 4 865 1293 -6.5 -8.4 86 1.9 -7.1 324 15 277.9 278.3 273.8 284.5 2.34 5 850 1431 -6.5 -8.3 87 1.8 -7.1 330 15 279.3 279.7 274.6 286.1 2.40 6 700 2916 -16.7 -19.4 80 2.7 -17.3 290 21 284.0 284.2 275.3 287.5 1.17 7 693 2991 -17.5 -20.3 79 2.8 -18.1 290 21 283.9 284.1 275.2 287.2 1.10 8 664 3310 -17.7 -20.2 81 2.5 -18.2 289 22 287.2 287.4 277.0 290.7 1.16 9 577 4341 -25.9 -32.9 52 7.0 -26.8 287 23 289.4 289.4 277.0 290.7 0.42 10 500 5360 -33.7 -39.7 55 6.0 -34.1 285 25 292.0 292.0 278.0 292.8 0.24 11 413 6675 -43.7 -51.7 41 8.0 -44.0 276 30 295.5 295.5 279.4 295.8 0.08 12 400 6890 -45.1 -53.1 40 8.0 -45.3 275 31 296.4 296.4 279.8 296.6 0.07 13 324 8268 -53.9 -62.9 32 9.0 -54.0 279 30 302.6 302.6 282.5 302.7 0.02 14 300 8760 -55.7 -64.7 32 9.0 -55.8 280 29 306.8 306.8 284.1 306.9 0.02 15 259 9696 -58.7 -67.7 30 9.0 -58.8 290 33 315.6 315.6 287.3 315.7 0.02 16 250 9920 -58.3 -67.3 31 9.0 -58.4 295 35 319.4 319.4 288.6 319.5 0.02 17 220 10722 -58.1 -67.1 31 9.0 -58.2 304 32 331.6 331.6 292.2 331.7 0.02 18 200 11320 -57.9 -67.9 27 10.0 -58.0 310 29 341.1 341.1 294.6 341.2 0.02 19 154 12956 -59.5 -69.5 26 10.0 -59.7 324 27 364.8 364.8 299.7 364.9 0.02 20 150 13120 -60.3 -70.3 26 10.0 -60.4 325 27 366.2 366.2 299.9 366.3 0.02 21 100 15610 -66.5 -76.5 23 10.0 -66.6 310 31 399.2 399.2 305.1 399.3 0.01 22 70 17740 -72.1 -82.1 21 10.0 -72.2 300 40 430.1 430.1 308.9 430.2 0.01 23 58 18840 -75.1 -85.1 20 10.0 -75.2 294 48 447.1 447.1 310.6 447.2 0.00 24 50 19700 -75.7 -85.7 19 10.0 -75.7 290 54 465.1 465.1 312.2 465.1 0.01 25 33 22086 -78.7 -88.7 18 10.0 -78.7 290 73 515.8 515.8 316.0 515.9 0.00 26 30 22630 -77.7 -87.7 18 10.0 -77.8 290 77 532.8 532.8 317.1 532.9 0.01 27 20 24980 -74.3 -84.3 20 10.0 -74.5 290 91 608.7 608.7 321.0 608.9 0.02 28 15 26652 -75.1 -85.1 20 10.0 -75.3 658.3 658.3 323.0 658.4 0.02 29 11 28485 -67.7 -78.7 19 11.0 -68.4 295 128 746.2 746.3 325.8 746.9 0.07 30 11 28485 -67.7 -78.7 19 11.0 -68.4 746.2 746.3 325.8 746.9 0.07 TRP 259 9696 -58.7 -67.7 30 9.0 -58.8 290 33 315.6 315.6 287.3 315.7 0.02 WND 11 28485 -67.7 -78.7 19 11.0 -68.4 295 128 746.2 746.3 325.8 746.9 0.07 Sounding variables and indices 1000-500 mb thick: 5179.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 72.83 % Est. max temperature: 6.07 C = 42.93 F Sfc-Lift cond lev (LCL): 957.65 mb = 509.60 m = 1671.91 ft T: -11.48 C 700-500 lapse rate: 6.96 C/km ThetaE index: 0.27 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 648.54 mb = 3483.25 m = 11427.83 ft Mean mixing ratio: 1.30 g/kg Conv temperature: 15.08 C = 59.14 F Cap Strength: 18.03 C Lifted Index: 19.25 C Risk: None Lifted Index @300 mb: 27.07 C Lifted Index @700 mb: 14.86 C Showalter Index: 5.45 C Risk: None Total Totals Index: 52.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.20 C Cross Totals Index: 25.40 C K Index: 16.20 Risk: < 20 % chance of thunderstorms Sweat Index: 127.00 Risk: None Energy Index: 1.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.71 J/kg Max Up Vert Vel: 4.63 m/s Conv Inhibition (B-): 50897.51 J/kg Cap Strength: 19.22 C Lift Cond Lev (LCL): 910.84 mb = 892.04 m = 2926.59 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 322 at 15 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 1008 119 200 3 1.0 2.8 | 151 17 -8.1 14.5 1 1000 181 220 5 3.2 3.8 | 159 17 -5.9 15.5 2 925 773 300 13 11.3 -6.5 | 203 6 2.2 5.2 3 850 1431 330 15 7.5 -13.0 | 51 2 -1.6 -1.3 4 700 2916 290 21 19.7 -7.2 | 247 12 10.6 4.5 5 500 5360 285 25 24.1 -6.5 | 251 16 15.1 5.2 6 400 6890 275 31 30.9 -2.7 | 248 24 21.8 9.0 7 300 8760 280 29 28.6 -5.0 | 251 21 19.5 6.7 8 259 9696 290 33 31.0 -11.3 | 269 22 21.9 0.4 9 250 9920 295 35 31.7 -14.8 | 278 23 22.6 -3.1 10 200 11320 310 29 22.2 -18.6 | 298 15 13.1 -6.9 11 150 13120 325 27 15.5 -22.1 | 328 12 6.4 -10.4 12 100 15610 310 31 23.7 -19.9 | 299 17 14.7 -8.2 13 70 17740 300 40 34.6 -20.0 | 288 27 25.6 -8.3 14 50 19700 290 54 50.7 -18.5 | 279 42 41.7 -6.8 15 30 22630 290 77 72.4 -26.3 | 283 65 63.3 -14.6 16 20 24980 290 91 85.5 -31.1 | 284 79 76.4 -19.4 Wind Parameters Mean winds (0-6000m): 292.2 at 19.8 knts Storm direction: 322.2 at 14.8 knts Shear (0-3000m) pos: 3.0 neg: 2.1 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 96.5 deg Storm rel helicity (0-3000m) pos: 42.5 neg: -8.8 tot: 33.7 m^2/s^2 ave: 11.2 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.40 Bulk Shear: 26.57 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 ------------------------------------------------------------------------------- 500 258 7 172 13| 11.1 0.0 11.1| 38.3 0.0 38.3 76.5 0.78| 12.9 10.1 1000 293 10 182 8| 8.0 0.0 8.0| 42.2 -0.0 42.1 42.1 0.55| 10.9 6.0 1500 307 12 183 5| 6.1 0.0 6.1| 42.2 -0.8 41.3 27.6 0.31| 9.1 2.8 2000 311 13 192 3| 4.5 1.1 5.7| 42.2 -2.4 39.8 19.9 0.17| 8.0 1.4 2500 308 14 214 4| 3.6 1.9 5.5| 42.2 -5.5 36.6 14.7 0.10| 7.4 0.7 3000 304 15 228 5| 3.0 2.1 5.2| 42.5 -8.8 33.7 11.2 0.06| 6.7 0.4 4000 299 17 238 7| 2.3 1.8 4.1| 44.0 -8.8 35.2 8.8 0.07| 5.3 0.4 5000 295 18 243 9| 1.8 1.6 3.5| 45.1 -8.8 36.3 7.3 0.07| 4.4 0.3 6000 292 20 245 10| 1.5 1.7 3.2| 45.3 -10.5 34.7 5.8 0.06| 4.0 0.2 Wrote GIF file: /home/apache/climate/data/raob//U3802/skewt/U3802.skewt.20260118.12.gif