UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122506.upa.cvt Date: 0600Z 25 DEC 25 Searching for KMFR... Searching the city database file for: KMFR ... Date:0600Z 25 DEC 25 Station: KMFR WMO ident: 72597 Latitude: 42.37 Longitude: -122.87 Elevation: 405.00 ------------------------------------------------------------------------------- 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 0 -0.5 -1.3 94 0.8 -0.8 272.6 273.2 272.3 282.0 3.47 SFC 953 405 4.0 3.7 98 0.3 3.8 0 0 281.0 281.9 279.3 295.4 5.23 2 950 430 5.6 4.8 95 0.8 5.2 19 1 282.9 283.8 280.7 298.6 5.68 3 937 538 7.0 4.4 83 2.6 5.7 101 4 285.4 286.4 281.8 301.1 5.60 4 936 546 7.0 4.2 82 2.8 5.6 107 4 285.5 286.5 281.8 301.0 5.52 5 932 580 9.6 1.6 57 8.0 5.7 133 5 288.5 289.3 282.0 301.7 4.61 6 925 640 9.4 2.4 62 7.0 5.9 150 9 288.9 289.8 282.6 303.0 4.92 7 878 1071 6.2 0.2 65 6.0 3.4 135 19 289.9 290.7 282.5 302.7 4.42 8 862 1221 5.2 -0.8 65 6.0 2.4 135 24 290.4 291.2 282.4 302.5 4.18 9 856 1278 5.8 -1.2 61 7.0 2.5 135 23 291.6 292.4 282.8 303.6 4.09 10 850 1336 5.2 -1.8 61 7.0 2.0 135 22 291.6 292.3 282.6 303.1 3.94 11 812 1707 1.8 -2.9 71 4.7 -0.3 142 15 291.8 292.5 282.5 302.9 3.80 12 745 2397 -2.7 -5.8 79 3.1 -4.0 163 31 294.2 294.8 283.0 304.1 3.33 13 728 2580 -3.1 -7.5 72 4.4 -4.8 172 33 295.7 296.3 283.2 304.7 2.99 14 700 2889 -5.7 -8.6 80 2.9 -6.8 185 36 296.2 296.7 283.3 304.8 2.85 15 698 2911 -5.9 -8.6 81 2.7 -6.9 185 36 296.2 296.7 283.3 304.8 2.86 16 676 3161 -7.1 -10.6 76 3.5 -8.4 185 39 297.6 298.0 283.5 305.3 2.52 17 636 3633 -10.7 -12.6 86 1.9 -11.3 185 44 298.7 299.1 283.7 305.7 2.28 18 620 3828 -11.3 -15.3 72 4.0 -12.5 185 46 300.2 300.6 283.8 306.1 1.88 19 585 4271 -14.7 -17.4 80 2.7 -15.4 190 49 301.3 301.6 284.0 306.5 1.67 20 557 4640 -16.7 -20.9 70 4.2 -17.7 187 52 303.2 303.4 284.3 307.3 1.30 21 556 4654 -16.9 -21.4 68 4.5 -18.0 187 53 303.1 303.3 284.2 307.1 1.24 22 545 4803 -18.1 -21.8 73 3.7 -19.0 186 54 303.4 303.6 284.3 307.4 1.23 23 539 4886 -18.5 -23.3 66 4.8 -19.6 185 55 303.9 304.1 284.4 307.4 1.09 24 500 5440 -23.3 -26.6 74 3.3 -23.9 185 53 304.6 304.8 284.4 307.5 0.87 25 494 5528 -23.9 -27.8 70 3.9 -24.6 184 54 305.0 305.1 284.4 307.6 0.79 26 464 5982 -27.9 -28.7 93 0.8 -28.0 180 54 305.5 305.6 284.6 308.0 0.77 27 443 6313 -30.3 -32.3 83 2.0 -30.6 184 55 306.5 306.6 284.7 308.5 0.57 28 426 6590 -32.7 -34.2 86 1.5 -32.9 190 59 306.9 307.0 284.8 308.6 0.50 29 423 6639 -32.9 -36.1 73 3.2 -33.3 191 59 307.3 307.4 284.8 308.7 0.41 30 420 6689 -33.3 -36.6 72 3.3 -33.6 193 60 307.4 307.5 284.8 308.8 0.40 31 417 6740 -33.7 -36.6 75 2.9 -34.0 194 61 307.5 307.6 284.9 308.9 0.40 32 411 6841 -34.7 -37.9 73 3.2 -35.0 196 62 307.5 307.6 284.8 308.7 0.35 33 409 6875 -34.7 -39.4 62 4.7 -35.1 197 62 307.9 308.0 284.9 309.0 0.31 34 400 7030 -36.3 -39.7 71 3.4 -36.6 200 64 307.8 307.9 284.9 308.9 0.30 35 399 7047 -36.5 -39.8 71 3.3 -36.8 200 64 307.8 307.8 284.9 308.8 0.30 36 396 7100 -36.9 -40.1 72 3.2 -37.2 200 64 307.9 308.0 284.9 309.0 0.29 37 378 7419 -39.7 -44.5 60 4.8 -40.0 200 62 308.3 308.4 284.9 309.0 0.19 38 370 7565 -41.1 -44.0 73 2.9 -41.3 200 61 308.4 308.4 285.0 309.1 0.21 39 366 7639 -41.9 -45.5 68 3.6 -42.1 200 61 308.3 308.3 284.9 308.9 0.18 40 358 7788 -43.3 -46.0 75 2.7 -43.5 199 62 308.3 308.4 284.9 309.0 0.17 41 355 7844 -43.9 -47.3 69 3.4 -44.0 198 62 308.3 308.3 284.9 308.8 0.15 42 353 7882 -44.3 -46.9 75 2.6 -44.4 198 62 308.2 308.3 284.9 308.8 0.16 43 350 7939 -44.7 -49.1 61 4.4 -44.9 198 62 308.5 308.5 284.9 308.9 0.13 44 342 8093 -46.1 -49.5 68 3.4 -46.2 196 63 308.6 308.6 284.9 309.0 0.12 45 320 8531 -50.1 -54.4 60 4.3 -50.2 195 74 309.0 309.0 285.0 309.3 0.07 46 309 8759 -52.1 -55.1 70 3.0 -52.2 195 82 309.3 309.3 285.1 309.6 0.07 47 304 8864 -52.1 -54.7 73 2.6 -52.2 192 88 310.7 310.7 285.7 311.0 0.07 48 301 8928 -51.5 -55.0 66 3.5 -51.6 191 92 312.5 312.5 286.3 312.7 0.07 49 300 8950 -50.7 -62.7 23 12.0 -51.0 190 93 313.9 313.9 286.8 314.0 0.03 50 297 9016 -50.5 -70.5 8 20.0 -50.8 192 93 315.1 315.1 287.1 315.1 0.01 51 293 9105 -49.7 -67.7 10 18.0 -50.0 194 93 317.4 317.4 287.9 317.5 0.01 52 281 9379 -50.7 -66.2 14 15.4 -51.0 195 101 319.8 319.8 288.7 319.9 0.02 53 279 9426 -50.9 -65.9 15 15.0 -51.2 195 101 320.2 320.2 288.8 320.3 0.02 54 250 10140 -53.5 -72.5 8 19.0 -53.8 195 88 326.5 326.5 290.7 326.6 0.01 55 211 11220 -56.9 -76.9 6 20.0 -57.1 204 74 337.5 337.5 293.7 337.5 0.01 56 206 11371 -56.5 -78.5 5 22.0 -56.7 202 79 340.4 340.4 294.4 340.4 0.00 57 200 11560 -53.3 -79.3 3 26.0 -53.7 195 92 348.4 348.4 296.3 348.4 0.00 TRP 309 8759 -52.1 -55.1 70 3.0 -52.2 195 82 309.3 309.3 285.1 309.6 0.07 WND 281 9379 -50.7 -66.2 14 15.4 -51.0 195 101 319.8 319.8 288.7 319.9 0.02 Sounding variables and indices 1000-500 mb thick: 5440.00 m Freezing level: 994.78 mb = 45.00 m = 147.64 ft Freezing level: 785.20 mb = 1983.08 m = 6506.09 ft Wetbulb zero: Below ground Precipitable water: 0.66 inches Sfc-500 mean rel hum: 73.30 % Est. max temperature: 14.99 C = 58.98 F Sfc-Lift cond lev (LCL): 948.52 mb = 441.80 m = 1449.47 ft T: 5.76 C 700-500 lapse rate: 6.90 C/km ThetaE index: 0.61 C Layer 850.0- 745.0 mb Conv cond level (CCL): 775.62 mb = 2074.24 m = 6805.16 ft Mean mixing ratio: 4.73 g/kg Conv temperature: 15.94 C = 60.69 F Cap Strength: 4.39 C Lifted Index: 4.16 C Risk: None Lifted Index @300 mb: 8.40 C Lifted Index @700 mb: 2.48 C Showalter Index: 3.52 C Risk: None Total Totals Index: 50.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.50 C Cross Totals Index: 21.50 C K Index: 23.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 117.00 Risk: None Energy Index: 0.89 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.55 J/kg Max Up Vert Vel: 7.15 m/s Conv Inhibition (B-): 2988.01 J/kg Cap Strength: 4.39 C Lift Cond Lev (LCL): 827.31 mb = 1555.75 m = 5104.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 209 at 28 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 ---------------------------------------------------------- 0 953 405 0 0 -0.0 -0.0 | 29 28 -13.7 -24.8 1 929 610 155 6 -2.5 5.4 | 40 25 -16.2 -19.4 2 925 640 150 9 -4.5 7.8 | 47 25 -18.2 -17.0 3 895 914 135 14 -9.9 9.9 | 58 28 -23.6 -14.9 4 862 1219 135 24 -17.0 17.0 | 76 32 -30.6 -7.9 5 850 1336 135 22 -15.6 15.6 | 72 31 -29.2 -9.3 6 799 1829 145 12 -6.9 9.8 | 54 25 -20.5 -15.0 7 769 2134 150 19 -9.5 16.5 | 70 25 -23.2 -8.4 8 741 2438 165 33 -8.5 31.9 | 108 23 -22.2 7.0 9 713 2743 180 33 0.0 33.0 | 121 16 -13.7 8.2 10 700 2889 185 36 3.1 35.9 | 136 15 -10.5 11.0 11 633 3658 185 44 3.8 43.8 | 153 21 -9.8 19.0 12 608 3962 185 49 4.3 48.8 | 159 26 -9.4 24.0 13 584 4267 190 49 8.5 48.3 | 168 24 -5.1 23.4 14 539 4877 185 55 4.8 54.8 | 164 31 -8.9 30.0 15 500 5440 185 53 4.6 52.8 | 162 29 -9.0 28.0 16 476 5791 180 56 0.0 56.0 | 156 34 -13.7 31.2 17 456 6096 180 53 0.0 53.0 | 154 31 -13.7 28.2 18 400 7030 200 64 21.9 60.1 | 193 36 8.2 35.3 19 366 7620 200 61 20.9 57.3 | 193 33 7.2 32.5 20 334 8230 195 64 16.6 61.8 | 184 37 2.9 37.0 21 309 8759 195 82 21.2 79.2 | 188 55 7.6 54.4 22 300 8950 190 93 16.1 91.6 | 182 67 2.5 66.8 23 291 9144 195 93 24.1 89.8 | 189 66 10.4 65.0 24 281 9379 195 101 26.1 97.6 | 190 74 12.5 72.7 25 278 9449 195 101 26.1 97.6 | 190 74 12.5 72.7 26 250 10140 195 88 22.8 85.0 | 189 61 9.1 60.2 27 209 11278 205 73 30.9 66.2 | 203 45 17.2 41.3 28 200 11560 195 92 23.8 88.9 | 189 65 10.2 64.0 29 189 11887 195 100 25.9 96.6 | 190 73 12.2 71.8 Wind Parameters Mean winds (0-6000m): 178.8 at 37.8 knts Storm direction: 208.8 at 28.3 knts Shear (0-3000m) pos: 6.2 neg: 0.9 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 119.7 deg Storm rel helicity (0-3000m) pos: 361.5 neg: -71.7 tot: 289.8 m^2/s^2 ave: 96.6 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 13.5 stream: 8.1 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.19 Bulk Shear: 133.71 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 ------------------------------------------------------------------------------- 500 144 8 44 26| 14.2 0.0 14.2| 95.1 0.0 95.1 190.1 0.76| 18.0 13.8 1000 138 14 58 27| 10.6 0.0 10.6|164.6 -19.2 145.4 145.4 0.66| 15.5 10.3 1500 138 15 59 27| 4.7 0.0 4.7|173.2 -71.7 101.5 67.6 0.35| 13.7 4.8 2000 144 16 63 26| 8.1 0.0 8.1|294.0 -71.7 222.3 111.2 0.56| 15.2 8.5 2500 155 20 72 23| 7.4 0.0 7.4|345.7 -71.7 274.0 109.6 0.60| 15.1 9.0 3000 164 23 82 20| 6.2 0.9 7.1|361.5 -71.7 289.8 96.6 0.60| 13.5 8.1 4000 174 29 104 17| 5.0 1.5 6.5|409.4 -73.6 335.8 84.0 0.60| 11.7 7.0 5000 178 34 122 18| 4.0 1.6 5.5|409.4 -91.2 318.2 63.6 0.53| 10.1 5.4 6000 179 38 132 19| 3.6 1.6 5.1|468.5-127.3 341.2 56.9 0.48| 9.8 4.7 Wrote GIF file: /home/apache/climate/data/raob//KMFR/skewt/KMFR.skewt.20251225.06.gif