UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122812.upa.cvt Date: 1200Z 28 DEC 25 Searching for USPP... Searching the city database file for: USPP ... Date:1200Z 28 DEC 25 Station: USPP WMO ident: 28225 Latitude: 57.95 Longitude: 56.20 Elevation: 170.00 ------------------------------------------------------------------------------- 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 10 SFC 980 170 -8.7 -11.4 81 2.7 -9.4 125 1 266.0 266.2 264.9 270.4 1.63 2 925 612 -10.9 -13.5 81 2.6 -11.5 205 23 268.2 268.4 266.1 272.2 1.46 3 855 1214 -12.5 -14.5 85 2.0 -13.0 196 17 272.6 272.8 269.1 276.7 1.45 4 850 1259 -12.5 -14.5 85 2.0 -13.0 195 17 273.1 273.3 269.4 277.2 1.46 5 700 2718 -20.9 -24.0 76 3.1 -21.4 225 27 279.3 279.5 272.1 281.7 0.78 6 572 4184 -28.9 -31.9 75 3.0 -29.2 225 31 286.6 286.6 275.6 288.0 0.46 7 500 5130 -36.9 -40.2 71 3.3 -37.1 225 33 288.0 288.1 276.0 288.8 0.23 8 410 6476 -47.7 -50.8 70 3.1 -47.8 225 36 290.9 290.9 277.3 291.2 0.09 9 400 6640 -47.7 -50.8 70 3.1 -47.8 225 36 293.0 293.0 278.3 293.3 0.09 10 331 7876 -50.7 -54.7 62 4.0 -50.8 228 35 305.2 305.2 283.5 305.4 0.07 11 300 8510 -53.9 -58.4 58 4.5 -54.0 230 35 309.4 309.4 285.1 309.6 0.05 12 297 8575 -54.1 -58.7 57 4.6 -54.2 230 35 310.0 310.0 285.4 310.2 0.05 13 281 8931 -52.9 -57.9 55 5.0 -53.0 316.7 316.7 287.7 316.9 0.05 TRP 297 8575 -54.1 -58.7 57 4.6 -54.2 230 35 310.0 310.0 285.4 310.2 0.05 WND Sounding variables and indices 1000-500 mb thick: 5120.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 78.00 % Est. max temperature: -0.90 C = 30.38 F Sfc-Lift cond lev (LCL): 938.55 mb = 500.75 m = 1642.85 ft T: -10.35 C 700-500 lapse rate: 6.63 C/km ThetaE index: 0.00 C Layer 980.0--321864398408282664299659264.0 mb Conv cond level (CCL): 805.47 mb = 1663.37 m = 5457.20 ft Mean mixing ratio: 1.50 g/kg Conv temperature: 0.08 C = 32.14 F Cap Strength: 12.56 C Lifted Index: 13.06 C Risk: None Lifted Index @300 mb: 26.24 C Lifted Index @700 mb: 7.67 C Showalter Index: 9.25 C Risk: None Total Totals Index: 46.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.40 C Cross Totals Index: 22.40 C K Index: 6.80 Risk: None Sweat Index: 154.50 Risk: None Energy Index: 2.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.86 J/kg Max Up Vert Vel: 6.14 m/s Conv Inhibition (B-): 4663.62 J/kg Cap Strength: 13.04 C Lift Cond Lev (LCL): 891.31 mb = 895.92 m = 2939.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 250 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 ---------------------------------------------------------- 0 980 170 125 1 -0.8 0.6 | 73 20 -19.6 -6.2 1 925 612 205 23 9.7 20.8 | 147 17 -9.0 14.1 2 850 1259 195 17 4.4 16.4 | 124 17 -14.3 9.7 3 700 2718 225 27 19.1 19.1 | 182 12 0.4 12.4 4 500 5130 225 33 23.3 23.3 | 195 17 4.6 16.6 5 400 6640 225 36 25.5 25.5 | 200 20 6.7 18.7 6 300 8510 230 35 26.8 22.5 | 207 18 8.1 15.8 Wind Parameters Mean winds (0-6000m): 220.3 at 26.5 knts Storm direction: 250.3 at 19.9 knts Shear (0-3000m) pos: 5.8 neg: 0.9 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 112.5 deg Storm rel helicity (0-3000m) pos: 200.5 neg: -27.8 tot: 172.8 m^2/s^2 ave: 57.6 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 6.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.68 Bulk Shear: 27.72 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 ------------------------------------------------------------------------------- 500 203 13 112 15| 22.9 0.0 22.9|143.1 0.0 143.1 286.3 0.95| 28.6 27.1 1000 202 17 125 15| 11.5 2.8 14.2|143.1 -24.0 119.1 119.1 0.63| 17.1 10.8 1500 201 17 126 16| 8.4 1.8 10.3|158.5 -27.8 130.7 87.1 0.63| 13.0 8.1 2000 204 18 131 15| 7.3 1.4 8.7|177.3 -27.8 149.5 74.8 0.66| 11.1 7.3 2500 208 20 138 14| 6.6 1.1 7.7|196.1 -27.8 168.4 67.3 0.70| 10.0 7.0 3000 212 21 145 13| 5.8 0.9 6.7|200.5 -27.8 172.8 57.6 0.70| 8.6 6.0 4000 216 23 157 13| 4.3 0.4 4.7|206.1 -27.8 178.3 44.6 0.70| 6.8 4.7 5000 219 25 166 13| 3.5 0.1 3.5|211.7 -27.8 183.9 36.8 0.69| 5.7 3.9 6000 220 27 173 14| 2.9 0.1 3.0|216.1 -27.8 188.3 31.4 0.68| 4.9 3.3 Wrote GIF file: /home/apache/climate/data/raob//USPP/skewt/USPP.skewt.20251228.12.gif