UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for U3472... Searching the city database file for: U3472 ... Date:0000Z 9 DEC 25 Station: U3472 WMO ident: 23472 Latitude: 65.78 Longitude: 87.95 ------------------------------------------------------------------------------- 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 1019 42 -30.3 -34.4 67 4.1 -30.5 185 11 241.5 241.6 241.4 242.1 0.20 1 1000 176 -31.5 -35.1 70 3.6 -31.7 180 15 241.6 241.7 241.5 242.2 0.19 2 980 319 -31.7 -35.6 68 3.9 -31.9 205 18 242.8 242.9 242.6 243.4 0.19 3 975 355 -29.5 -33.6 68 4.1 -29.7 211 19 245.4 245.5 245.0 246.0 0.23 4 972 378 -26.5 -30.6 68 4.1 -26.8 215 19 248.7 248.7 248.2 249.5 0.31 5 961 460 -25.9 -29.8 70 3.9 -26.2 228 21 250.1 250.1 249.5 251.0 0.34 6 952 529 -19.5 -23.5 71 4.0 -20.0 240 23 257.2 257.3 256.2 258.9 0.60 7 943 600 -17.1 -20.5 75 3.4 -17.7 252 24 260.4 260.5 259.1 262.6 0.79 8 938 640 -13.1 -16.4 76 3.3 -13.8 258 25 264.9 265.0 263.2 268.0 1.13 9 930 706 -11.5 -14.3 80 2.8 -12.2 268 26 267.1 267.4 265.3 270.9 1.36 10 925 747 -11.5 -14.1 81 2.6 -12.1 275 27 267.5 267.8 265.6 271.4 1.39 11 902 940 -10.7 -13.1 82 2.4 -11.3 279 26 270.3 270.6 267.7 274.6 1.54 12 896 991 -10.9 -13.3 82 2.4 -11.5 281 25 270.6 270.9 267.9 274.9 1.53 13 850 1394 -13.7 -16.5 79 2.8 -14.3 290 23 271.8 272.0 268.2 275.3 1.24 14 758 2253 -20.7 -23.7 77 3.0 -21.2 284 29 273.3 273.4 268.3 275.4 0.74 15 700 2838 -23.5 -26.7 75 3.2 -23.9 280 33 276.5 276.6 270.1 278.3 0.61 16 589 4077 -33.7 -36.8 74 3.1 -33.9 301 31 278.6 278.6 270.8 279.5 0.28 17 552 4533 -33.3 -36.6 72 3.3 -33.6 308 30 284.3 284.3 274.2 285.2 0.30 18 500 5220 -39.3 -42.8 69 3.5 -39.5 320 29 285.1 285.2 274.4 285.7 0.18 19 400 6700 -51.3 -54.7 67 3.4 -51.4 320 38 288.3 288.3 275.9 288.5 0.06 20 375 7116 -55.3 -58.8 65 3.5 -55.4 320 40 288.4 288.4 275.9 288.5 0.04 21 302 8469 -64.3 -68.0 60 3.7 -64.3 320 48 294.1 294.1 278.7 294.2 0.01 22 300 8510 -64.5 -68.2 60 3.7 -64.5 320 48 294.4 294.4 278.9 294.5 0.01 23 266 9244 -66.9 -70.3 62 3.4 -66.9 320 54 301.2 301.2 281.8 301.3 0.01 24 250 9620 -66.9 -70.4 61 3.5 -66.9 320 54 306.6 306.6 284.1 306.7 0.01 25 218 10453 -65.3 -69.0 60 3.7 -65.3 320 42 321.3 321.3 289.2 321.4 0.02 26 200 10980 -64.1 -67.9 60 3.8 -64.1 320 35 331.2 331.3 292.1 331.3 0.02 27 150 12740 -62.5 -66.3 60 3.8 -62.6 315 19 362.4 362.4 299.2 362.6 0.03 28 137 13299 -62.1 -65.9 60 3.8 -62.1 312 19 372.6 372.6 301.1 372.8 0.04 29 100 15230 -65.1 -69.0 58 3.9 -65.2 300 19 401.9 402.0 305.5 402.1 0.04 30 70 17390 -68.3 -72.4 55 4.1 -68.4 290 15 438.3 438.3 309.7 438.4 0.03 31 61 18214 -69.1 -73.2 55 4.1 -69.2 454.1 454.1 311.3 454.3 0.03 TRP 266 9244 -66.9 -70.3 62 3.4 -66.9 320 54 301.2 301.2 281.8 301.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5044.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 74.85 % Est. max temperature: -0.38 C = 31.31 F Sfc-Lift cond lev (LCL): 950.46 mb = 541.07 m = 1775.13 ft T: -19.09 C 700-500 lapse rate: 6.63 C/km ThetaE index: 0.00 C Layer 1019.0- -0.0 mb Conv cond level (CCL): 1000.00 mb = 176.00 m = 577.42 ft Mean mixing ratio: 0.55 g/kg Conv temperature: -22.71 C = -8.87 F Cap Strength: 26.33 C Lifted Index: 26.25 C Risk: None Lifted Index @300 mb: 29.26 C Lifted Index @700 mb: 21.33 C Showalter Index: 8.32 C Risk: None Total Totals Index: 48.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.60 C Cross Totals Index: 22.80 C K Index: 5.90 Risk: None Sweat Index: 75.00 Risk: None Energy Index: 2.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 131.85 J/kg Max Up Vert Vel: 16.24 m/s Conv Inhibition (B-): 33132.26 J/kg Cap Strength: 26.35 C Lift Cond Lev (LCL): 958.49 mb = 479.11 m = 1571.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 324 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 1019 42 185 11 1.0 11.0 | 158 30 -11.6 28.2 1 1000 176 180 15 0.0 15.0 | 159 35 -12.6 32.2 2 925 747 275 27 26.9 -2.4 | 224 21 14.3 14.9 3 850 1394 290 23 21.6 -7.9 | 224 13 9.0 9.3 4 700 2838 280 33 32.5 -5.7 | 240 23 19.9 11.5 5 500 5220 320 29 18.6 -22.2 | 309 8 6.1 -5.0 6 400 6700 320 38 24.4 -29.1 | 315 17 11.9 -11.9 7 300 8510 320 48 30.9 -36.8 | 317 27 18.3 -19.6 8 266 9244 320 54 34.7 -41.4 | 317 33 22.1 -24.2 9 250 9620 320 54 34.7 -41.4 | 317 33 22.1 -24.2 10 200 10980 320 35 22.5 -26.8 | 314 14 9.9 -9.6 11 150 12740 315 19 13.4 -13.4 | 193 4 0.9 3.8 12 100 15230 300 19 16.5 -9.5 | 207 9 3.9 7.7 13 70 17390 290 15 14.1 -5.1 | 187 12 1.5 12.1 Wind Parameters Mean winds (0-6000m): 293.9 at 28.4 knts Storm direction: 323.9 at 21.3 knts Shear (0-3000m) pos: 5.2 neg: 1.3 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 85.8 deg Storm rel helicity (0-3000m) pos: 293.8 neg: -0.6 tot: 293.1 m^2/s^2 ave: 97.7 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 10.3 stream: 6.8 10^-3/s Energy-Hel index: 0.23 Bulk Rich Number: 0.99 Bulk Shear: 133.65 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 ------------------------------------------------------------------------------- 500 209 17 173 32| 19.4 0.0 19.4|181.2 0.0 181.2 362.3 0.85| 25.5 21.6 1000 254 21 199 25| 14.7 0.0 14.7|266.3 0.0 266.3 266.3 0.78| 22.5 17.6 1500 267 22 208 21| 9.9 0.0 9.9|268.7 -0.6 268.1 178.7 0.72| 16.5 11.9 2000 274 23 214 19| 7.4 1.0 8.4|276.8 -0.6 276.1 138.1 0.70| 13.4 9.4 2500 276 24 219 19| 5.9 1.6 7.5|283.3 -0.6 282.7 113.1 0.68| 11.5 7.8 3000 277 26 223 19| 5.2 1.3 6.6|293.8 -0.6 293.1 97.7 0.66| 10.3 6.8 4000 282 27 230 18| 4.3 1.0 5.3|322.9 -0.6 322.2 80.6 0.66| 9.0 5.9 5000 288 28 238 17| 3.7 0.8 4.5|343.0 -0.6 342.4 68.5 0.67| 8.1 5.4 6000 294 28 247 15| 3.2 0.8 4.1|347.9 -0.6 347.3 57.9 0.65| 7.3 4.7 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20251209.00.gif