UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122912.upa.cvt Date: 1200Z 29 DEC 25 Searching for URRR... Searching the city database file for: URRR ... Date:1200Z 29 DEC 25 Station: URRR WMO ident: 34731 Latitude: 47.25 Longitude: 39.82 Elevation: 77.00 ------------------------------------------------------------------------------- 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 -44 SFC 984 77 -0.9 -1.9 93 1.0 -1.3 140 3 273.5 274.1 272.7 282.7 3.37 2 925 575 -3.9 -5.6 88 1.7 -4.5 225 25 275.3 275.8 272.8 282.8 2.72 3 850 1238 -7.9 -10.6 81 2.7 -8.7 250 21 277.9 278.2 273.2 283.6 2.00 4 710 2612 -17.3 -20.5 76 3.2 -18.0 245 25 282.2 282.4 274.2 285.3 1.05 5 700 2718 -18.1 -21.1 77 3.0 -18.7 245 25 282.4 282.6 274.3 285.5 1.01 6 500 5130 -37.5 -40.8 71 3.3 -37.7 240 35 287.3 287.4 275.6 288.0 0.22 7 455 5775 -42.7 -45.8 72 3.1 -42.8 242 33 288.7 288.7 276.2 289.1 0.14 8 422 6283 -44.3 -47.7 69 3.4 -44.5 244 32 292.9 292.9 278.3 293.3 0.12 9 400 6640 -46.9 -50.6 66 3.7 -47.0 245 31 294.0 294.1 278.8 294.4 0.09 10 334 7821 -51.5 -57.5 49 6.0 -51.6 255 33 303.3 303.3 282.8 303.5 0.05 11 300 8520 -49.7 -56.7 44 7.0 -49.9 275 23 315.3 315.3 287.3 315.5 0.06 12 271 9189 -48.9 -57.9 34 9.0 -49.2 275 23 325.8 325.8 290.6 326.0 0.06 13 250 9720 -48.9 -58.9 30 10.0 -49.2 275 23 333.4 333.4 292.7 333.6 0.05 14 200 11180 -48.5 -63.5 16 15.0 -49.0 290 25 356.0 356.0 297.9 356.1 0.04 15 180 11872 -47.9 -63.9 14 16.0 -48.5 286 27 367.8 367.8 300.2 368.0 0.04 16 174 12096 -47.5 -64.5 12 17.0 -48.1 285 28 372.1 372.1 300.9 372.3 0.04 17 150 13070 -49.5 -68.5 9 19.0 -50.1 280 31 384.8 384.8 303.0 384.9 0.03 18 131 13952 -51.3 -70.3 9 19.0 -51.9 282 35 396.8 396.8 304.8 396.9 0.02 19 100 15720 -47.5 -68.5 7 21.0 -48.6 285 42 435.9 436.0 309.5 436.2 0.04 20 70 18040 -55.1 -76.1 6 21.0 -55.8 285 40 466.5 466.5 312.4 466.6 0.02 21 67 18319 -55.9 -76.9 6 21.0 -56.6 286 42 470.7 470.7 312.7 470.7 0.02 22 52 19939 -53.1 -74.1 6 21.0 -54.2 294 51 512.6 512.6 315.8 512.8 0.03 23 50 20190 -55.7 -76.7 6 21.0 -56.6 295 52 512.2 512.2 315.8 512.4 0.02 24 38 21929 -60.1 -80.1 6 20.0 -60.8 290 49 542.8 542.8 317.7 542.9 0.02 25 32 23012 -57.5 -78.5 5 21.0 -58.6 286 47 577.1 577.1 319.5 577.3 0.03 26 30 23420 -59.1 -80.1 5 21.0 -60.1 285 46 583.5 583.5 319.9 583.7 0.02 27 20 25930 -61.9 -82.9 4 21.0 -62.9 265 56 646.7 646.7 322.6 646.9 0.02 28 14 28126 -64.1 -84.1 5 20.0 -65.2 708.7 708.7 324.7 708.9 0.02 TRP 334 7821 -51.5 -57.5 49 6.0 -51.6 255 33 303.3 303.3 282.8 303.5 0.05 WND Sounding variables and indices 1000-500 mb thick: 5174.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.29 inches Sfc-500 mean rel hum: 78.17 % Est. max temperature: 3.91 C = 39.03 F Sfc-Lift cond lev (LCL): 968.57 mb = 204.27 m = 670.18 ft T: -1.67 C 700-500 lapse rate: 8.04 C/km Conv cond level (CCL): 892.48 mb = 855.62 m = 2807.11 ft Mean mixing ratio: 2.82 g/kg Conv temperature: 1.98 C = 35.56 F Cap Strength: 2.45 C Lifted Index: 4.20 C Risk: None Lifted Index @300 mb: 23.00 C Lifted Index @700 mb: 2.45 C Showalter Index: 3.64 C Risk: None Total Totals Index: 56.50 C Risk: Severe Thunderstorms probable Vertical Totals Index: 29.60 C Cross Totals Index: 26.90 C K Index: 16.00 Risk: < 20 % chance of thunderstorms Sweat Index: 227.00 Risk: None Energy Index: 0.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.11 J/kg Max Up Vert Vel: 4.92 m/s Conv Inhibition (B-): 55807.89 J/kg Cap Strength: 4.19 C Lift Cond Lev (LCL): 910.47 mb = 699.13 m = 2293.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 272 at 20 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 ---------------------------------------------------------- 0 984 77 140 3 -1.9 2.3 | 97 22 -22.2 2.9 1 925 575 225 25 17.7 17.7 | 172 18 -2.6 18.3 2 850 1238 250 21 19.7 7.2 | 176 8 -0.5 7.8 3 700 2718 245 25 22.7 10.6 | 192 11 2.4 11.2 4 500 5130 240 35 30.3 17.5 | 209 21 10.1 18.1 5 400 6640 245 31 28.1 13.1 | 210 16 7.9 13.7 6 334 7821 255 33 31.9 8.5 | 232 15 11.6 9.1 7 300 8520 275 23 22.9 -2.0 | 298 3 2.7 -1.4 8 250 9720 275 23 22.9 -2.0 | 298 3 2.7 -1.4 9 200 11180 290 25 23.5 -8.6 | 338 9 3.3 -8.0 10 150 13070 280 31 30.5 -5.4 | 295 11 10.3 -4.8 11 100 15720 285 42 40.6 -10.9 | 297 23 20.3 -10.3 12 70 18040 285 40 38.6 -10.4 | 298 21 18.4 -9.8 13 50 20190 295 52 47.1 -22.0 | 308 34 26.9 -21.4 14 30 23420 285 46 44.4 -11.9 | 295 27 24.2 -11.3 15 20 25930 265 56 55.8 4.9 | 261 36 35.6 5.5 Wind Parameters Mean winds (0-6000m): 241.7 at 27.0 knts Storm direction: 271.7 at 20.2 knts Shear (0-3000m) pos: 4.0 neg: 0.9 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 99.2 deg Storm rel helicity (0-3000m) pos: 189.0 neg: -0.1 tot: 188.9 m^2/s^2 ave: 63.0 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 5.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.40 Bulk Shear: 30.43 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 ------------------------------------------------------------------------------- 500 218 14 135 16| 25.6 0.0 25.6|174.4 0.0 174.4 348.8 0.95| 31.8 30.3 1000 228 19 155 14| 11.8 0.0 11.8|179.9 0.0 179.9 179.9 0.78| 20.2 15.8 1500 236 20 161 12| 7.9 0.0 7.9|181.3 -0.1 181.2 120.8 0.74| 14.6 10.8 2000 239 20 166 11| 5.9 0.4 6.3|183.5 -0.1 183.4 91.7 0.73| 11.3 8.3 2500 241 21 171 11| 4.7 0.6 5.4|185.6 -0.1 185.4 74.2 0.73| 9.4 6.8 3000 242 22 175 11| 4.0 0.9 4.8|189.0 -0.1 188.9 63.0 0.72| 8.1 5.9 4000 242 24 183 12| 3.0 1.2 4.2|196.7 -0.1 196.6 49.1 0.70| 6.7 4.6 5000 242 26 190 13| 2.4 1.4 3.8|203.2 -0.1 203.0 40.6 0.67| 5.8 3.9 6000 242 27 195 14| 1.8 1.2 3.0|204.7 -0.1 204.5 34.1 0.64| 5.1 3.2 Wrote GIF file: /home/apache/climate/data/raob//URRR/skewt/URRR.skewt.20251229.12.gif