UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:1200Z 2 DEC 25 Station: U4507 WMO ident: 24507 Latitude: 64.27 Longitude: 100.23 ------------------------------------------------------------------------------- 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 56 SFC 982 191 -19.5 -23.9 68 4.4 -20.1 115 3 255.0 255.1 254.2 256.5 0.56 2 925 633 -22.9 -27.3 67 4.4 -23.4 205 15 255.9 256.0 254.7 257.1 0.44 3 905 794 -23.9 -28.1 68 4.2 -24.4 219 17 256.5 256.5 255.2 257.6 0.42 4 850 1259 -17.3 -19.7 82 2.4 -17.7 260 23 268.0 268.2 265.1 270.7 0.94 5 804 1677 -15.5 -17.8 82 2.3 -16.0 261 23 274.2 274.4 269.7 277.6 1.17 6 798 1733 -15.9 -18.2 82 2.3 -16.4 262 23 274.4 274.6 269.7 277.7 1.14 7 700 2708 -21.3 -24.5 75 3.2 -21.8 265 23 278.9 279.0 271.8 281.1 0.75 8 549 4453 -33.3 -36.4 74 3.1 -33.6 301 23 284.7 284.8 274.4 285.7 0.31 9 500 5100 -39.1 -42.4 71 3.3 -39.3 315 23 285.4 285.4 274.5 286.0 0.18 10 451 5796 -45.5 -49.1 67 3.6 -45.6 301 20 285.9 285.9 274.6 286.2 0.10 11 400 6590 -47.9 -51.6 65 3.7 -48.0 285 17 292.7 292.8 278.2 293.0 0.08 12 371 7086 -49.1 -53.3 61 4.2 -49.2 284 16 297.5 297.5 280.3 297.8 0.07 13 306 8333 -55.1 -59.7 57 4.6 -55.2 280 15 305.9 305.9 283.8 306.1 0.04 14 300 8460 -55.1 -59.8 56 4.7 -55.2 285 17 307.7 307.7 284.5 307.8 0.04 15 250 9620 -55.7 -60.7 54 5.0 -55.8 290 19 323.3 323.3 289.8 323.4 0.04 16 200 11040 -57.3 -63.3 46 6.0 -57.4 300 23 342.0 342.0 294.8 342.2 0.04 17 173 11954 -57.3 -64.3 41 7.0 -57.5 303 26 356.5 356.5 298.0 356.7 0.04 18 150 12850 -58.7 -65.7 40 7.0 -58.9 305 29 368.9 369.0 300.4 369.1 0.04 19 100 15380 -63.5 -72.5 28 9.0 -63.6 320 33 405.0 405.0 305.9 405.1 0.02 20 70 17540 -68.3 -78.3 22 10.0 -68.4 320 29 438.3 438.3 309.7 438.3 0.01 21 50 19540 -73.1 -83.1 20 10.0 -73.2 320 27 471.2 471.2 312.7 471.3 0.01 22 30 22512 -75.9 -85.9 19 10.0 -76.0 537.7 537.7 317.4 537.8 0.01 TRP 306 8333 -55.1 -59.7 57 4.6 -55.2 280 15 305.9 305.9 283.8 306.1 0.04 WND Sounding variables and indices 1000-500 mb thick: 5044.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 74.94 % Est. max temperature: -4.15 C = 24.53 F Sfc-Lift cond lev (LCL): 913.29 mb = 726.59 m = 2383.79 ft T: -23.48 C 700-500 lapse rate: 7.44 C/km ThetaE index: 0.00 C Layer 982.0--151996493463552.0 mb Conv cond level (CCL): 571.12 mb = 4169.12 m = 13678.06 ft Mean mixing ratio: 0.49 g/kg Conv temperature: 9.20 C = 48.56 F Cap Strength: 22.81 C Lifted Index: 22.70 C Risk: None Lifted Index @300 mb: 35.41 C Lifted Index @700 mb: 19.52 C Showalter Index: 12.21 C Risk: None Total Totals Index: 41.20 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 19.40 C K Index: -1.10 Risk: None Sweat Index: 69.00 Risk: None Energy Index: 3.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.76 J/kg Max Up Vert Vel: 5.96 m/s Conv Inhibition (B-): 44666.82 J/kg Cap Strength: 22.82 C Lift Cond Lev (LCL): 868.75 mb = 1097.05 m = 3599.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 309 at 16 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 ---------------------------------------------------------- 0 982 191 115 3 -2.7 1.3 | 127 19 -15.0 11.4 1 925 633 205 15 6.3 13.6 | 166 24 -5.9 23.7 2 850 1259 260 23 22.7 4.0 | 216 17 10.4 14.1 3 700 2708 265 23 22.9 2.0 | 221 16 10.6 12.1 4 500 5100 315 23 16.3 -16.3 | 327 7 4.0 -6.2 5 400 6590 285 17 16.4 -4.4 | 216 7 4.2 5.7 6 306 8333 280 15 14.8 -2.6 | 199 8 2.5 7.5 7 300 8460 285 17 16.4 -4.4 | 216 7 4.2 5.7 8 250 9620 290 19 17.9 -6.5 | 237 7 5.6 3.6 9 200 11040 300 23 19.9 -11.5 | 280 8 7.7 -1.4 10 150 12850 305 29 23.8 -16.6 | 300 13 11.5 -6.5 11 100 15380 320 33 21.2 -25.3 | 329 18 8.9 -15.2 12 70 17540 320 29 18.6 -22.2 | 332 14 6.4 -12.1 13 50 19540 320 27 17.4 -20.7 | 334 12 5.1 -10.6 Wind Parameters Mean winds (0-6000m): 279.4 at 21.2 knts Storm direction: 309.4 at 15.9 knts Shear (0-3000m) pos: 4.4 neg: 0.0 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 105.8 deg Storm rel helicity (0-3000m) pos: 224.1 neg: 0.0 tot: 224.1 m^2/s^2 ave: 74.7 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 6.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.27 Bulk Shear: 65.11 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 ------------------------------------------------------------------------------- 500 196 10 154 22| 16.8 0.0 16.8|110.9 0.0 110.9 221.9 0.87| 20.9 18.1 1000 224 14 174 21| 12.6 0.0 12.6|195.3 0.0 195.3 195.3 0.90| 18.6 16.7 1500 242 17 189 18| 8.8 0.0 8.8|208.1 0.0 208.1 138.7 0.90| 13.5 12.1 2000 249 19 197 18| 6.6 0.0 6.6|210.3 0.0 210.3 105.2 0.89| 10.3 9.2 2500 253 20 202 17| 5.3 0.0 5.3|212.5 0.0 212.5 85.0 0.89| 8.4 7.4 3000 256 20 206 17| 4.4 0.0 4.4|224.1 0.0 224.1 74.7 0.88| 7.7 6.7 4000 264 21 215 15| 3.3 0.0 3.3|243.1 0.0 243.1 60.8 0.86| 6.8 5.9 5000 274 21 226 12| 2.6 0.0 2.6|257.5 -1.1 256.4 51.3 0.86| 6.3 5.4 6000 279 21 233 11| 2.2 0.7 2.9|257.5 -12.5 245.1 40.8 0.64| 6.0 3.8 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251202.12.gif