UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121300.upa.cvt Date: 0000Z 13 DEC 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 13 DEC 25 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 -45 SFC 982 97 -6.9 -6.9 100 0.0 -6.9 0 0 267.6 268.0 267.3 273.9 2.32 2 972 177 -7.7 -9.1 90 1.4 -8.1 340 1 267.6 267.9 266.7 273.0 1.97 3 965 233 -5.5 -7.0 89 1.5 -6.0 326 1 270.4 270.8 269.1 276.8 2.34 4 954 323 -4.9 -6.6 88 1.7 -5.5 304 1 271.9 272.3 270.2 278.6 2.44 5 925 565 -6.5 -9.2 81 2.7 -7.3 245 3 272.7 273.0 270.1 278.4 2.06 6 921 599 -6.9 -9.7 80 2.8 -7.7 246 3 272.6 272.9 269.9 278.1 1.98 7 913 667 -7.3 -10.0 81 2.7 -8.1 249 4 272.9 273.2 270.1 278.3 1.95 8 897 805 -5.9 -8.5 82 2.6 -6.7 254 6 275.7 276.1 272.3 282.0 2.24 9 850 1225 -8.1 -9.7 88 1.6 -8.6 270 11 277.7 278.0 273.3 283.7 2.15 10 835 1363 -8.9 -10.5 88 1.6 -9.4 268 12 278.2 278.6 273.5 284.1 2.05 11 816 1542 -7.7 -9.0 90 1.3 -8.1 265 13 281.3 281.8 275.7 288.1 2.37 12 807 1628 -7.9 -9.1 91 1.2 -8.3 263 13 282.0 282.4 276.0 288.8 2.38 13 700 2719 -14.7 -17.2 81 2.5 -15.3 245 19 286.2 286.5 276.9 290.4 1.42 14 625 3568 -20.5 -23.2 79 2.7 -21.0 242 22 289.0 289.2 277.6 291.9 0.94 15 563 4336 -23.9 -28.9 63 5.0 -24.6 239 25 293.8 293.9 279.4 295.8 0.62 16 500 5190 -30.9 -35.4 65 4.5 -31.4 235 29 295.4 295.4 279.8 296.6 0.38 17 415 6481 -41.3 -45.7 62 4.4 -41.5 227 27 298.2 298.2 280.8 298.7 0.15 18 400 6730 -42.7 -47.3 61 4.6 -42.9 225 27 299.5 299.5 281.3 300.0 0.13 19 376 7145 -45.3 -49.8 60 4.5 -45.4 226 35 301.4 301.4 282.1 301.8 0.11 20 360 7435 -45.5 -50.3 58 4.8 -45.7 227 41 304.9 304.9 283.5 305.3 0.11 21 321 8191 -50.7 -56.7 49 6.0 -50.8 229 55 307.9 307.9 284.6 308.1 0.06 22 300 8630 -52.5 -58.5 48 6.0 -52.6 230 64 311.3 311.4 285.9 311.5 0.05 23 250 9800 -57.9 -64.9 40 7.0 -58.0 230 69 320.0 320.0 288.8 320.1 0.02 24 243 9978 -58.3 -65.3 40 7.0 -58.4 230 71 322.0 322.0 289.4 322.1 0.02 25 230 10323 -58.4 -65.6 39 7.3 -58.5 225 71 327.0 327.0 290.9 327.1 0.02 26 200 11200 -58.5 -66.5 35 8.0 -58.6 230 58 340.1 340.1 294.4 340.2 0.02 27 164 12444 -59.1 -68.1 30 9.0 -59.2 233 47 359.0 359.0 298.5 359.1 0.02 28 153 12877 -60.7 -69.7 30 9.0 -60.8 235 43 363.4 363.4 299.4 363.5 0.02 29 150 13000 -61.1 -70.1 29 9.0 -61.2 235 42 364.8 364.8 299.7 364.9 0.02 30 134 13696 -63.5 -73.5 24 10.0 -63.6 241 39 372.5 372.5 301.0 372.6 0.01 31 100 15490 -64.1 -74.1 24 10.0 -64.3 255 31 403.9 403.9 305.7 404.0 0.02 32 88 16274 -63.9 -74.9 21 11.0 -64.1 262 30 419.3 419.3 307.6 419.4 0.02 33 70 17660 -69.1 -80.1 19 11.0 -69.2 275 27 436.6 436.6 309.6 436.6 0.01 34 67 17920 -70.1 -81.1 18 11.0 -70.2 276 28 439.9 439.9 309.8 439.9 0.01 35 50 19650 -71.3 -83.3 15 12.0 -71.4 285 31 475.5 475.5 313.1 475.5 0.01 36 33 22072 -76.9 -87.9 16 11.0 -77.0 305 35 520.6 520.6 316.4 520.6 0.01 37 30 22620 -76.7 -88.7 13 12.0 -76.8 310 36 535.5 535.5 317.2 535.6 0.00 38 24 23906 -76.1 -88.1 13 12.0 -76.2 572.6 572.6 319.3 572.6 0.01 TRP 243 9978 -58.3 -65.3 40 7.0 -58.4 230 71 322.0 322.0 289.4 322.1 0.02 WND 230 10323 -58.4 -65.6 39 7.3 -58.5 225 71 327.0 327.0 290.9 327.1 0.02 Sounding variables and indices 1000-500 mb thick: 5235.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.32 inches Sfc-500 mean rel hum: 78.95 % Est. max temperature: 4.13 C = 39.43 F Sfc-Lift cond lev (LCL): 981.77 mb = 98.61 m = 323.52 ft T: -6.92 C 700-500 lapse rate: 6.56 C/km ThetaE index: 0.91 C Layer 972.0- 965.0 mb Conv cond level (CCL): 756.63 mb = 2122.19 m = 6962.49 ft Mean mixing ratio: 2.19 g/kg Conv temperature: 9.32 C = 48.77 F Cap Strength: 13.70 C Lifted Index: 14.20 C Risk: None Lifted Index @300 mb: 23.30 C Lifted Index @700 mb: 9.10 C Showalter Index: 10.10 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.80 C Cross Totals Index: 21.20 C K Index: 10.60 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 2.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.09 J/kg Max Up Vert Vel: 7.36 m/s Conv Inhibition (B-): 41633.71 J/kg Cap Strength: 14.11 C Lift Cond Lev (LCL): 899.81 mb = 780.59 m = 2560.96 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 271 at 14 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 ---------------------------------------------------------- 0 982 97 0 0 -0.0 -0.0 | 91 14 -14.3 0.3 1 925 565 245 3 2.7 1.3 | 98 12 -11.6 1.6 2 850 1225 270 11 11.0 -0.0 | 95 3 -3.3 0.3 3 700 2719 245 19 17.2 8.0 | 200 9 3.0 8.3 4 500 5190 235 29 23.8 16.6 | 209 19 9.5 16.9 5 400 6730 225 27 19.1 19.1 | 194 20 4.8 19.4 6 300 8630 230 64 49.0 41.1 | 220 54 34.8 41.4 7 250 9800 230 69 52.9 44.4 | 221 59 38.6 44.7 8 243 9978 230 71 54.4 45.6 | 221 61 40.1 45.9 9 230 10323 225 71 50.2 50.2 | 215 62 35.9 50.5 10 200 11200 230 58 44.4 37.3 | 219 48 30.2 37.6 11 150 13000 235 42 34.4 24.1 | 220 32 20.1 24.4 12 100 15490 255 31 29.9 8.0 | 242 18 15.7 8.3 13 70 17660 275 27 26.9 -2.4 | 279 13 12.6 -2.1 14 50 19650 285 31 29.9 -8.0 | 296 17 15.7 -7.7 15 30 22620 310 36 27.6 -23.1 | 330 26 13.3 -22.8 Wind Parameters Mean winds (0-6000m): 241.2 at 19.0 knts Storm direction: 271.2 at 14.3 knts Shear (0-3000m) pos: 1.1 neg: 2.7 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 112.2 deg Storm rel helicity (0-3000m) pos: 15.2 neg: -3.8 tot: 11.4 m^2/s^2 ave: 3.8 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.67 Bulk Shear: 40.19 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 ------------------------------------------------------------------------------- 500 245 2 94 13| 0.0 3.5 3.5| 7.1 -3.2 3.9 7.8 0.30| 4.7 1.4 1000 258 4 96 10| 3.3 1.7 5.0| 9.4 -3.4 6.1 6.1 0.20| 5.7 1.1 1500 264 6 97 8| 2.2 2.4 4.5| 10.7 -3.8 6.9 4.6 0.24| 5.2 1.3 2000 262 8 104 6| 1.6 2.6 4.2| 12.5 -3.8 8.7 4.3 0.33| 4.8 1.6 2500 257 10 121 5| 1.3 2.7 4.0| 13.5 -3.8 9.7 3.9 0.31| 4.6 1.4 3000 253 12 140 5| 1.1 2.7 3.7| 15.2 -3.8 11.4 3.8 0.30| 4.2 1.3 4000 248 14 171 6| 0.8 2.5 3.4| 18.5 -3.8 14.7 3.7 0.29| 3.7 1.1 5000 244 17 188 8| 0.7 2.5 3.1| 19.6 -3.8 15.8 3.2 0.26| 3.4 0.9 6000 241 19 194 10| 0.5 2.0 2.6| 19.6 -20.0 -0.4 -0.1 0.15| 3.2 0.5 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251213.00.gif