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 UHMM... Searching the city database file for: UHMM ... Date:1200Z 9 DEC 25 Station: UHMM WMO ident: 25913 Latitude: 59.58 Longitude: 150.78 Elevation: 118.00 ------------------------------------------------------------------------------- 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 28 SFC 989 118 -3.9 -6.0 85 2.1 -4.6 70 9 270.1 270.5 269.2 276.8 2.46 2 926 633 -7.1 -8.8 88 1.7 -7.6 85 31 272.0 272.3 269.8 277.8 2.12 3 925 641 -7.1 -8.8 88 1.7 -7.6 85 31 272.0 272.4 269.8 277.9 2.12 4 870 1119 -8.3 -9.8 89 1.5 -8.8 121 19 275.6 276.0 272.0 281.5 2.08 5 850 1300 -8.1 -10.9 80 2.8 -8.9 135 15 277.7 278.0 273.0 283.2 1.95 6 845 1346 -8.1 -11.4 77 3.3 -9.1 136 15 278.1 278.4 273.2 283.5 1.89 7 735 2411 -16.5 -18.6 84 2.1 -17.0 154 16 280.3 280.5 273.3 283.8 1.20 8 704 2734 -17.5 -19.5 84 2.0 -17.9 159 17 282.6 282.8 274.6 286.1 1.16 9 700 2777 -17.9 -19.8 85 1.9 -18.3 160 17 282.7 282.9 274.6 286.0 1.13 10 677 3025 -19.9 -22.0 83 2.1 -20.3 161 19 283.1 283.3 274.6 286.1 0.97 11 605 3847 -26.9 -29.9 76 3.0 -27.3 167 26 284.3 284.4 274.5 286.0 0.53 12 546 4581 -29.9 -34.9 62 5.0 -30.4 171 33 289.2 289.3 276.9 290.4 0.36 13 500 5200 -35.9 -41.9 54 6.0 -36.3 175 38 289.3 289.3 276.6 289.9 0.19 14 463 5730 -40.3 -47.3 47 7.0 -40.6 170 37 290.2 290.2 277.0 290.6 0.12 15 400 6710 -49.1 -55.1 50 6.0 -49.3 160 35 291.2 291.2 277.3 291.4 0.05 16 381 7027 -51.7 -58.7 43 7.0 -51.8 161 40 291.8 291.8 277.6 292.0 0.04 17 358 7429 -54.1 -60.1 48 6.0 -54.2 163 46 293.9 293.9 278.6 294.0 0.03 18 339 7778 -54.7 -61.7 42 7.0 -54.8 165 52 297.7 297.7 280.3 297.8 0.03 19 313 8288 -54.9 -61.9 42 7.0 -55.0 172 48 304.2 304.3 283.1 304.4 0.03 20 300 8560 -54.1 -61.1 42 7.0 -54.2 175 46 309.1 309.1 285.0 309.2 0.03 21 264 9386 -50.5 -58.5 38 8.0 -50.7 179 42 325.9 325.9 290.6 326.1 0.05 22 250 9740 -52.1 -60.1 38 8.0 -52.3 180 40 328.6 328.6 291.4 328.8 0.05 23 240 10003 -52.9 -60.9 37 8.0 -53.1 180 40 331.3 331.3 292.1 331.4 0.04 24 200 11190 -48.5 -58.5 30 10.0 -48.9 180 42 356.0 356.0 298.0 356.3 0.07 25 174 12109 -46.7 -56.7 31 10.0 -47.3 190 42 373.4 373.4 301.2 373.9 0.10 26 150 13090 -47.7 -59.7 24 12.0 -48.3 200 42 387.9 387.9 303.5 388.3 0.08 27 101 15694 -48.3 -62.3 18 14.0 -49.2 210 46 433.2 433.2 309.2 433.6 0.09 28 100 15760 -47.7 -61.7 18 14.0 -48.7 210 46 435.6 435.6 309.5 436.1 0.09 29 77 17483 -49.5 -66.5 12 17.0 -50.6 203 47 465.6 465.6 312.3 466.0 0.06 30 70 18110 -48.7 -66.7 11 18.0 -50.0 200 48 480.2 480.2 313.5 480.6 0.07 31 55 19701 -45.7 -67.7 7 22.0 -47.9 200 45 521.4 521.4 316.4 521.9 0.08 32 50 20330 -48.9 -69.9 7 21.0 -50.7 200 44 528.2 528.3 316.8 528.6 0.06 33 49 20463 -49.3 -71.3 6 22.0 -51.1 530.3 530.4 316.9 530.7 0.05 34 42 21473 -49.3 -71.3 6 22.0 -51.3 554.3 554.3 318.3 554.7 0.06 35 40 21796 -45.5 -69.5 5 24.0 -48.4 571.6 571.6 319.3 572.2 0.08 36 35 22680 -48.5 -70.5 6 22.0 -51.0 586.0 586.0 320.0 586.6 0.08 TRP 339 7778 -54.7 -61.7 42 7.0 -54.8 165 52 297.7 297.7 280.3 297.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 5172.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 77.46 % Est. max temperature: 4.22 C = 39.59 F Sfc-Lift cond lev (LCL): 956.66 mb = 377.90 m = 1239.80 ft T: -5.52 C 700-500 lapse rate: 7.43 C/km ThetaE index: 0.05 C Layer 700.0- 677.0 mb Conv cond level (CCL): 822.55 mb = 1551.49 m = 5090.13 ft Mean mixing ratio: 2.22 g/kg Conv temperature: 4.53 C = 40.16 F Cap Strength: 10.04 C Lifted Index: 9.61 C Risk: None Lifted Index @300 mb: 22.05 C Lifted Index @700 mb: 6.28 C Showalter Index: 5.51 C Risk: None Total Totals Index: 52.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.80 C Cross Totals Index: 25.00 C K Index: 15.00 Risk: < 20 % chance of thunderstorms Sweat Index: 144.00 Risk: None Energy Index: 1.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.36 J/kg Max Up Vert Vel: 5.54 m/s Conv Inhibition (B-): 43043.72 J/kg Cap Strength: 9.99 C Lift Cond Lev (LCL): 911.35 mb = 756.89 m = 2483.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 187 at 19 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 ---------------------------------------------------------- 0 989 118 70 9 -8.5 -3.1 | 26 24 -10.8 -21.8 1 925 641 85 31 -30.9 -2.7 | 57 40 -33.2 -21.5 2 850 1300 135 15 -10.6 10.6 | 58 15 -12.9 -8.1 3 700 2777 160 17 -5.8 16.0 | 71 9 -8.1 -2.8 4 500 5200 175 38 -3.3 37.9 | 164 20 -5.6 19.1 5 400 6710 160 35 -12.0 32.9 | 135 20 -14.3 14.1 6 339 7778 165 52 -13.5 50.2 | 153 35 -15.8 31.5 7 300 8560 175 46 -4.0 45.8 | 167 28 -6.3 27.1 8 250 9740 180 40 0.0 40.0 | 174 21 -2.3 21.2 9 200 11190 180 42 0.0 42.0 | 174 23 -2.3 23.2 10 150 13090 200 42 14.4 39.5 | 210 24 12.0 20.7 11 100 15760 210 46 23.0 39.8 | 224 30 20.7 21.1 12 70 18110 200 48 16.4 45.1 | 208 30 14.1 26.4 13 50 20330 200 44 15.0 41.3 | 209 26 12.7 22.6 Wind Parameters Mean winds (0-6000m): 157.1 at 25.2 knts Storm direction: 187.1 at 18.9 knts Shear (0-3000m) pos: 3.8 neg: 0.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 65.3 deg Storm rel helicity (0-3000m) pos: 202.2 neg: -11.7 tot: 190.5 m^2/s^2 ave: 63.5 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 9.9 stream: 4.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.15 Bulk Shear: 102.05 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 81 19 45 31| 22.0 0.0 22.0|133.7 0.0 133.7 267.3 0.74| 22.3 16.5 1000 91 22 53 31| 8.0 0.0 8.0|186.5 -1.3 185.2 185.2 0.53| 21.2 11.2 1500 99 20 55 27| 5.2 0.0 5.2|189.0 -11.7 177.3 118.2 0.41| 16.7 6.9 2000 109 19 59 24| 4.3 0.0 4.3|192.4 -11.7 180.8 90.4 0.41| 13.2 5.4 2500 118 19 62 21| 3.8 0.0 3.8|194.8 -11.7 183.2 73.3 0.41| 11.0 4.5 3000 125 18 65 19| 3.8 0.0 3.8|202.2 -11.7 190.5 63.5 0.44| 9.9 4.3 4000 139 20 76 16| 4.0 0.0 4.0|223.2 -11.7 211.5 52.9 0.50| 8.6 4.3 5000 151 23 95 13| 4.2 0.0 4.2|248.9 -11.7 237.2 47.4 0.52| 7.8 4.1 6000 157 25 110 13| 3.5 0.5 4.0|250.7 -43.3 207.4 34.6 0.41| 7.1 2.9 Wrote GIF file: /home/apache/climate/data/raob//UHMM/skewt/UHMM.skewt.20251209.12.gif