UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for U4122... Searching the city database file for: U4122 ... Date:1200Z 9 DEC 25 Station: U4122 WMO ident: 24122 ------------------------------------------------------------------------------- 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 122 SFC 987 209 -44.5 -51.5 46 7.0 -44.6 140 3 229.5 229.5 229.4 229.6 0.03 2 973 305 -43.3 -50.3 46 7.0 -43.4 154 6 231.7 231.7 231.5 231.8 0.04 3 925 649 -36.7 -42.7 54 6.0 -36.9 205 15 241.8 241.8 241.4 242.0 0.10 4 857 1192 -25.7 -30.0 67 4.3 -26.1 200 24 258.6 258.7 256.8 259.7 0.37 5 850 1252 -25.7 -30.0 67 4.3 -26.1 200 25 259.2 259.3 257.3 260.3 0.37 6 804 1656 -24.7 -28.9 68 4.2 -25.2 206 22 264.4 264.5 261.5 265.7 0.44 7 802 1674 -24.7 -29.0 67 4.3 -25.2 206 22 264.6 264.7 261.7 265.9 0.43 8 701 2644 -29.1 -34.1 62 5.0 -29.5 220 15 270.1 270.2 265.4 271.1 0.30 9 700 2654 -29.3 -34.2 62 4.9 -29.7 220 15 270.0 270.1 265.3 270.9 0.30 10 601 3721 -39.3 -45.3 53 6.0 -39.5 231 15 270.5 270.5 265.2 270.9 0.11 11 518 4725 -45.7 -51.7 51 6.0 -45.9 242 15 274.5 274.5 267.8 274.7 0.06 12 500 4960 -47.7 -53.7 50 6.0 -47.9 245 15 274.9 274.9 268.0 275.1 0.05 13 499 4973 -47.7 -53.7 50 6.0 -47.9 245 15 275.0 275.0 268.1 275.2 0.05 14 497 4999 -49.1 -55.1 50 6.0 -49.2 245 15 273.6 273.7 267.2 273.8 0.04 15 460 5503 -51.1 -57.1 49 6.0 -51.2 241 16 277.3 277.3 269.5 277.4 0.04 16 438 5817 -54.9 -60.9 47 6.0 -55.0 239 17 276.4 276.4 269.0 276.5 0.02 17 419 6099 -56.3 -62.3 47 6.0 -56.3 237 18 278.1 278.1 270.0 278.2 0.02 18 414 6175 -58.1 -64.1 46 6.0 -58.2 237 18 276.7 276.7 269.2 276.8 0.02 19 400 6390 -58.9 -64.9 46 6.0 -58.9 235 19 278.4 278.4 270.2 278.5 0.02 20 361 7034 -60.9 -66.9 45 6.0 -60.9 244 13 284.1 284.1 273.5 284.1 0.01 21 321 7758 -66.1 -72.1 43 6.0 -66.1 255 7 286.6 286.6 274.9 286.6 0.01 22 300 8170 -66.3 -72.3 43 6.0 -66.3 240 7 291.9 291.9 277.6 291.9 0.01 23 250 9270 -66.5 -73.5 37 7.0 -66.5 215 5 307.2 307.2 284.2 307.2 0.01 24 200 10630 -64.5 -72.5 32 8.0 -64.6 195 11 330.6 330.6 291.9 330.7 0.01 25 150 12390 -64.5 -73.5 28 9.0 -64.6 190 11 359.0 359.0 298.5 359.0 0.01 26 100 14850 -65.5 -75.5 24 10.0 -65.6 195 19 401.2 401.2 305.4 401.2 0.01 27 70 17010 -68.3 -78.3 22 10.0 -68.4 195 27 438.3 438.3 309.7 438.3 0.01 28 50 19000 -71.7 -81.7 21 10.0 -71.8 195 31 474.5 474.5 313.0 474.6 0.01 29 30 21980 -77.1 -86.1 22 9.0 -77.1 330 5 534.5 534.5 317.2 534.5 0.01 30 29 22175 -77.1 -86.1 22 9.0 -77.2 539.7 539.7 317.5 539.7 0.01 TRP 321 7758 -66.1 -72.1 43 6.0 -66.1 255 7 286.6 286.6 274.9 286.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 4838.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 57.86 % Est. max temperature: -13.46 C = 7.76 F Sfc-Lift cond lev (LCL): 870.09 mb = 1084.49 m = 3558.01 ft T: -27.88 C 700-500 lapse rate: 7.98 C/km ThetaE index: 0.21 C Layer 700.0- 518.0 mb Conv cond level (CCL): 987.00 mb = 209.28 m = 686.61 ft Mean mixing ratio: 0.10 g/kg Conv temperature: -42.07 C = -43.72 F Cap Strength: 28.64 C Lifted Index: 28.63 C Risk: None Lifted Index @300 mb: 36.81 C Lifted Index @700 mb: 27.22 C Showalter Index: 12.05 C Risk: None Total Totals Index: 39.70 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 17.70 C K Index: -12.90 Risk: None Sweat Index: 178.39 Risk: None Energy Index: 3.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 79.81 J/kg Max Up Vert Vel: 12.63 m/s Conv Inhibition (B-): 49762.73 J/kg Cap Strength: 28.66 C Lift Cond Lev (LCL): 863.64 mb = 1137.39 m = 3731.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 252 at 12 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 ---------------------------------------------------------- 0 987 209 140 3 -1.9 2.3 | 84 14 -13.8 -1.4 1 925 649 205 15 6.3 13.6 | 151 11 -5.5 9.9 2 850 1252 200 25 8.6 23.5 | 171 20 -3.3 19.8 3 700 2654 220 15 9.6 11.5 | 164 8 -2.2 7.8 4 500 4960 245 15 13.6 6.3 | 214 3 1.8 2.6 5 400 6390 235 19 15.6 10.9 | 208 8 3.7 7.2 6 321 7758 255 7 6.8 1.8 | 69 5 -5.1 -1.9 7 300 8170 240 7 6.1 3.5 | 88 6 -5.8 -0.2 8 250 9270 215 5 2.9 4.1 | 92 9 -9.0 0.4 9 200 10630 195 11 2.8 10.6 | 128 11 -9.0 6.9 10 150 12390 190 11 1.9 10.8 | 126 12 -9.9 7.1 11 100 14850 195 19 4.9 18.4 | 155 16 -6.9 14.6 12 70 17010 195 27 7.0 26.1 | 168 23 -4.8 22.3 13 50 19000 195 31 8.0 29.9 | 172 26 -3.8 26.2 14 30 21980 330 5 2.5 -4.3 | 49 12 -9.3 -8.1 Wind Parameters Mean winds (0-6000m): 222.5 at 16.5 knts Storm direction: 252.5 at 12.4 knts Shear (0-3000m) pos: 1.9 neg: 1.4 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 87.1 deg Storm rel helicity (0-3000m) pos: 78.3 neg: -3.5 tot: 74.8 m^2/s^2 ave: 24.9 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 3.5 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 7.83 Bulk Shear: 10.20 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 ------------------------------------------------------------------------------- 500 197 10 122 11| 15.4 0.0 15.4| 56.8 0.0 56.8 113.5 0.98| 17.2 16.8 1000 200 15 147 12| 7.7 4.3 12.0| 72.8 0.0 72.8 72.8 0.81| 12.9 10.5 1500 201 18 157 14| 4.6 2.9 7.4| 76.6 0.0 76.6 51.1 0.72| 10.0 7.2 2000 203 18 160 14| 2.9 2.2 5.0| 76.7 -0.9 75.9 37.9 0.62| 8.6 5.4 2500 205 18 161 13| 2.0 1.7 3.8| 76.7 -3.5 73.2 29.3 0.53| 7.7 4.1 3000 208 17 162 12| 1.9 1.4 3.3| 78.3 -3.5 74.8 24.9 0.53| 6.6 3.5 4000 213 17 165 11| 1.7 1.1 2.7| 80.9 -3.5 77.3 19.3 0.54| 5.3 2.9 5000 219 16 170 9| 1.5 0.9 2.4| 82.5 -3.6 78.9 15.8 0.54| 4.6 2.5 6000 222 17 176 8| 1.2 1.0 2.3| 82.5 -4.3 78.1 13.0 0.49| 4.1 2.0 Wrote GIF file: /home/apache/climate/data/raob//U4122/skewt/U4122.skewt.20251209.12.gif