909  
WWUS71 KPBZ 101720  
NPWPBZ  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
120 PM EDT SUN MAY 10 2026  
 
PAZ007>009-015-016-110200-  
/O.NEW.KPBZ.FR.Y.0008.260511T0400Z-260511T1200Z/  
/O.NEW.KPBZ.FZ.A.0005.260512T0400Z-260512T1200Z/  
MERCER-VENANGO-FOREST-CLARION-JEFFERSON PA-  
INCLUDING THE CITIES OF OIL CITY, CLARION, HERMITAGE, GROVE CITY,  
TIONESTA, FRANKLIN, BROOKVILLE, SHARON, AND PUNXSUTAWNEY  
120 PM EDT SUN MAY 10 2026  
 
...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT  
MONDAY...  
...FREEZE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY  
MORNING...  
 
* WHAT...FOR THE FROST ADVISORY, TEMPERATURES AS LOW AS 34 WILL  
RESULT IN FROST FORMATION. FOR THE FREEZE WATCH, SUB-FREEZING  
TEMPERATURES AS LOW AS 30 POSSIBLE.  
 
* WHERE...FOREST, JEFFERSON PA, MERCER, VENANGO, AND CLARION  
COUNTIES.  
 
* WHEN...FOR THE FROST ADVISORY, FROM MIDNIGHT TONIGHT TO 8 AM EDT  
MONDAY. FOR THE FREEZE WATCH, FROM LATE MONDAY NIGHT THROUGH  
TUESDAY MORNING.  
 
* IMPACTS...FROST AND FREEZE CONDITIONS COULD KILL CROPS, OTHER  
SENSITIVE VEGETATION AND POSSIBLY DAMAGE UNPROTECTED OUTDOOR  
PLUMBING. FROST COULD HARM SENSITIVE OUTDOOR VEGETATION. SENSITIVE  
OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.  
 
 
 
 
 
PAZ013-014-022-077-078-WVZ514-110200-  
/O.NEW.KPBZ.FZ.A.0005.260512T0400Z-260512T1200Z/  
LAWRENCE-BUTLER-ARMSTRONG-INDIANA-HIGHER ELEVATIONS OF INDIANA-  
EASTERN TUCKER-  
INCLUDING THE CITIES OF NEW CASTLE, ELLWOOD CITY, ARMAGH, CANAAN  
VALLEY, FORD CITY, BUTLER, INDIANA, THOMAS, KITTANNING, AND DAVIS  
120 PM EDT SUN MAY 10 2026  
 
...FREEZE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY  
MORNING...  
 
* WHAT...SUB-FREEZING TEMPERATURES AS LOW AS 30 POSSIBLE.  
 
* WHERE...IN PENNSYLVANIA, LAWRENCE, ARMSTRONG, BUTLER, HIGHER  
ELEVATIONS OF INDIANA, AND INDIANA COUNTIES. IN WEST VIRGINIA,  
EASTERN TUCKER COUNTY.  
 
* WHEN...FROM LATE MONDAY NIGHT THROUGH TUESDAY MORNING.  
 
* IMPACTS...FROST AND FREEZE CONDITIONS COULD KILL CROPS, OTHER  
SENSITIVE VEGETATION AND POSSIBLY DAMAGE UNPROTECTED OUTDOOR  
PLUMBING.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.  
 
 
 
 
 
CL  
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