DrJack's WINDIP Upper-Air Wind Forecast for MOHAVE on THU 03/11 ALERT@ 48:*avn ------ WS,WD,U(kt) SITE=kmhv METAR=kmhv RidgePerp.=320 Run:03/11@16:35Z-16:35Z RUC : 00=03/11:15Z 03=03/11:18Z 06=03/11:21Z 09=03/12: 0Z 12=03/12: 3Z 300mb: 51 337 49 40 330 39 37 315 37 32 298 30 32 283 26 700mb: 28 001 21 22 355 18 15 355 12 12 344 11 8 354 7 ---------------------------------------------------------------------------- NAM : 00=03/11:12Z 12=03/12: 0Z 24=03/12:12Z 36=03/13: 0Z 48=03/13:12Z 300mb: 65 338 62 27 298 25 29 261 15 36 249 12 43 271 28 700mb: 21 347 19 11 327 11 14 262 7 14 284 11 30 279 22 GFS : 00=03/11:12Z 12=03/12: 0Z 24=03/12:12Z 36=03/13: 0Z 48=03/13:12Z 60=03/14: 0Z 72=03/14:12Z 300mb: 63 334 61 30 291 26 27 252 10 38 257 17 * 67 329 66 64 336 61 63 335 61 700mb: 26 348 23 10 332 10 12 254 5 17 274 12 * 39 279 29 20 346 18 30 353 25 -------------------------------------------------------------------------------------------------------- GFS : 96=03/15: 0Z 120=03/16: 0Z 144=03/17: 0Z 168=03/18: 0Z 192=03/19: 0Z 216=03/20: 0Z 240=03/21: 0Z 300mb: 64 345 58 41 295 37 56 244 13 35 276 25 32 347 28 35 286 29 52 270 33 700mb: 22 014 13 6 107 -5 7 211 -2 3 029 1 7 016 4 10 284 8 14 269 9 ------ The criterion "mt. wave" windspeeds used for this site are: To have a mt. wave somewhere (indicated by "+" marks) (1) windspeed of 65 kt at 300 mb (approx. 31,000 ft) (2) windspeed of 25 kt at "ridgetop" level of 700 mb (approx. 10,500 ft) To have a mt. wave at designated ridge (indicated by "*" marks) (1) perpendicular wind of 46 kt at 300 mb (approx. 31,000 ft) (2) perpendicular wind of 18 kt at "ridgetop" level of 700 mb (approx. 10,500 ft) These criteria based on the those empirically developed for the Sierra wave by Doug Armstrong of the Reno NWS For a description of the forecast format and forecasts for other locations, see: http://www.drjack.info/WINDIP/ Please recognize that the utilized mt. wave criterion is simplistic while mt. wave behavior can be complex, so the simple yes/no program predictions cannot be expected to cover all mt. wave occurrences.