Date Issued: 21 January 1998
Mountain Cedar location(s): Arbuckle Mountains, OK
Regional weather: Thursday, January 21 - TX/OK: Low pressure system developing overhead today.....fully winding up overnight. Low clouds/fog this morning eastern areas of OK and TX, slight chance of showers today same locales. Highs today mostly 60's to 80's. Chance of showers eastern TX tonight. Rain/snow developing after midnight in OK, otherwise partly cloudy. Lows in the 30's north and west....40s' central....50's south and east. Rain/snow continuing on Friday in OK, chance of rain east TX, partly cloudy elsewhere. Temperatures holding in the 40's OK, mostly 50's and 60's TX.
Trajectory weather: Partly cloudy today, high in the mid-60's. Becoming cloudy with a chance of showers or thunderstorms tonight, mainly after midnight. Low in the low 40's. Mostly cloudy on Friday. Chance of showers early, then partly cloudy with a high in the 60's.
Trajectory confidence: High
OUTLOOK: *** Moderate Threat *** Pollen release has slowed in some areas now that we are nearing the end of the season. Conditions are mostly favorable for pollen release, though humidities are running somewhat high. Moderate release expected today. Residents of central Oklahoma....from Ardmore in the south to Ponca City in the north....may feel some ill effects from today's release this afternoon and evening. Chance of washout is good after midnight as the airborne pollen turns back to the south. TK
Trajectory Start(s) (shown by green dot on map): Sulfur, Oklahoma
Prepared by: Thomas Keever (Department of Marine, Earth and Atmospheric Sciences, NCSU), Estelle Levetin (Faculty of Biological Science, The University of Tulsa, 600 S. College, Tulsa, OK 74104), and C.E. Main (Department of Plant Pathology, North Carolina State University, Raleigh, NC 27695-7618). This forecast gives the anticipated future track of released Mountain Cedar pollen, weather conditions over the region and along the forecast pathway, and an estimated time of arrival for various metropolitan areas.
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