UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050112.upa.cvt Date: 1200Z 1 MAY 25 Searching for FK870... Searching the city database file for: FK870 ... Date:1200Z 1 MAY 25 Station: FK870 WMO ident: 64870 ------------------------------------------------------------------------------- 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 51 1 920 -10551 SFC 891 -5557 29.6 19.6 55 10.0 22.3 220 2 312.9 316.0 299.3 363.3 16.32 3 850 1516 23.8 17.8 69 6.0 19.5 210 4 311.1 314.0 298.2 357.8 15.26 4 790 2150 17.8 14.3 80 3.5 15.4 120 5 311.2 313.7 296.9 351.3 13.09 5 700 3176 11.4 5.4 67 6.0 7.8 75 26 315.1 316.7 294.4 340.4 8.06 6 500 5900 -6.1 -9.5 77 3.4 -7.6 80 14 325.6 326.3 293.9 338.1 3.72 7 400 7620 -15.9 -25.9 42 10.0 -18.6 95 20 334.3 334.6 294.0 338.5 1.16 8 300 9730 -30.1 -36.1 56 6.0 -31.0 55 14 343.0 343.1 295.6 345.2 0.58 9 250 11000 -40.5 -46.5 52 6.0 -41.0 90 6 345.9 345.9 295.9 346.8 0.23 10 200 12480 -52.7 -55.6 71 2.9 -52.8 360 18 349.3 349.3 296.5 349.7 0.10 11 150 14270 -67.7 -69.9 73 2.2 -67.7 15 22 353.5 353.5 297.4 353.6 0.02 12 100 16610 -81.3 -82.5 82 1.2 -81.3 115 26 370.6 370.6 300.7 370.7 0.00 13 92 17083 -79.1 122 21 383.9 14 83 17667 -80.9 131 16 391.8 15 72 18485 -73.3 220 18 424.1 16 70 18650 -73.5 285 24 427.1 17 50 20630 -65.7 270 30 488.7 18 49 20753 -65.7 268 29 491.5 19 41 21837 -66.7 295 25 514.7 20 34 22990 -59.9 13 27 560.9 21 30 23770 -61.9 65 29 575.9 22 22 25726 -54.5 86 31 651.4 23 21 26024 -53.5 90 34 663.1 24 20 26340 -51.7 95 37 677.9 25 18 27028 -48.7 95 38 708.1 26 17 27405 -47.1 95 39 724.9 27 15 28231 -48.5 95 41 746.7 28 10 30942 -41.3 865.4 29 10 30942 -40.9 866.9 TRP 790 2150 17.8 14.3 80 3.5 15.4 120 5 311.2 313.7 296.9 351.3 13.09 WND Sounding variables and indices 1000-500 mb thick: 5849.00 m Freezing level: 569.71 mb = 4950.49 m = 16241.57 ft Wetbulb zero: 598.79 mb = 4440.30 m = 14567.75 ft Precipitable water: 1.58 inches Sfc-500 mean rel hum: 71.59 % Est. max temperature: 29.98 C = 85.96 F Sfc-Lift cond lev (LCL): 770.79 mb = 2359.13 m = 7739.83 ft T: 16.50 C 700-500 lapse rate: 6.42 C/km ThetaE index: 25.21 C Layer 850.0- 400.0 mb Conv cond level (CCL): 757.13 mb = 2510.76 m = 8237.32 ft Mean mixing ratio: 14.83 g/kg Conv temperature: 29.31 C = 84.75 F Cap Strength: 0.57 C Lifted Index: -5.53 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -5.33 C Lifted Index @700 mb: -1.01 C Showalter Index: -5.77 C Risk: Severe thunderstorms possible Total Totals Index: 53.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.90 C Cross Totals Index: 23.90 C K Index: 41.70 Risk: > 80 % chance of thunderstorms Sweat Index: 331.60 Risk: Showers and thunderstorms possible Energy Index: -3.87 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2044.33 J/kg Max Up Vert Vel: 63.94 m/s Conv Inhibition (B-): 117.48 J/kg Cap Strength: 1.37 C Lift Cond Lev (LCL): 769.17 mb = 2376.97 m = 7798.36 ft Lev Free Conv (LFC): 734.17 mb = 2771.86 m = 9093.93 ft Equ Level (EL): 134.17 mb = 14913.62 m = 48928.62 ft B at Equ Level: 2028.40 J/kg Max Parcel Lev (MPL): 74.17 mb = 18313.90 m = 60084.25 ft Wind level data Storm motion: 244 at 2 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 ---------------------------------------------------------- 0 891 -5557 220 2 1.3 1.5 | 133 1 -0.6 0.6 1 850 1516 210 4 2.0 3.5 | 182 3 0.1 2.5 2 790 2150 120 5 -4.3 2.5 | 104 6 -6.2 1.6 3 700 3176 75 26 -25.1 -6.7 | 74 28 -27.0 -7.7 4 500 5900 80 14 -13.8 -2.4 | 78 16 -15.7 -3.4 5 400 7620 95 20 -19.9 1.7 | 92 22 -21.8 0.8 6 300 9730 55 14 -11.5 -8.0 | 56 16 -13.4 -9.0 7 250 11000 90 6 -6.0 0.0 | 83 8 -7.9 -0.9 8 200 12480 360 18 -0.0 -18.0 | 6 19 -1.9 -18.9 9 150 14270 15 22 -5.7 -21.3 | 19 23 -7.6 -22.2 10 100 16610 115 26 -23.6 11.0 | 112 27 -25.5 10.1 11 75 18288 140 10 -6.4 7.7 | 129 11 -8.3 6.7 12 70 18650 285 24 23.2 -6.2 | 289 22 21.3 -7.1 13 50 20630 270 30 30.0 -0.0 | 272 28 28.1 -0.9 14 45 21336 260 24 23.6 4.2 | 262 22 21.7 3.2 15 30 23770 65 29 -26.3 -12.3 | 65 31 -28.2 -13.2 16 27 24384 65 19 -17.2 -8.0 | 65 21 -19.1 -9.0 17 20 26340 95 37 -36.9 3.2 | 93 39 -38.8 2.3 18 15 27432 95 41 -40.8 3.6 | 94 43 -42.8 2.6 Wind Parameters Mean winds (0-6000m): 214.0 at 2.8 knts Storm direction: 244.0 at 2.1 knts Shear (0-3000m) pos: 0.0 neg: 0.1 tot: 0.1 10-3/s Storm rel Dir Shear (0-3000m): 36.2 deg Storm rel helicity (0-3000m) pos: 0.2 neg: 0.0 tot: 0.2 m^2/s^2 ave: 0.1 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 0.1 stream: 0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 24279.29 Bulk Shear: 0.08 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 ------------------------------------------------------------------------------- 500 215 2 135 1| 0.0 0.1 0.1| 0.0 0.0 0.0 0.1 0.95| 0.1 0.1 1000 215 2 139 1| 0.0 0.1 0.1| 0.1 0.0 0.1 0.1 0.91| 0.1 0.1 1500 215 2 143 1| 0.0 0.1 0.1| 0.1 0.0 0.1 0.1 0.88| 0.1 0.1 2000 215 2 146 1| 0.0 0.1 0.1| 0.1 0.0 0.1 0.1 0.84| 0.1 0.1 2500 215 2 150 1| 0.0 0.1 0.1| 0.2 0.0 0.2 0.1 0.80| 0.1 0.1 3000 215 2 153 1| 0.0 0.1 0.1| 0.2 0.0 0.2 0.1 0.76| 0.1 0.1 4000 215 3 159 1| 0.0 0.1 0.1| 0.2 0.0 0.2 0.1 0.69| 0.1 0.1 5000 214 3 163 1| 0.0 0.1 0.1| 0.3 0.0 0.3 0.1 0.62| 0.1 0.1 6000 214 3 167 1| 0.0 0.1 0.1| 0.3 0.0 0.3 0.1 0.56| 0.2 0.1 Wrote GIF file: /home/apache/climate/data/raob//FK870/skewt/FK870.skewt.20250501.12.gif