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Armstrong county, PA Weather and Climate Synopsis

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NATIONAL WEATHER SERVICE STATE COLLEGE PA
1030 PM EDT MON MAY 21 2012

LOW PRESSURE HAS MOVED INTO PENNSYLVANIA AND BROUGHT WITH IT RAIN 
SHOWERS. A COLD FRONT APPROACHING WESTERN PENNSYLVANIA LATE MONDAY 
WILL CONTINUE THE CHANCE OF SHOWERS AND THUNDERSTORMS
IN PENNSYLVANIA TUESDAY. A WET PATTERN WILL CONTINUE
THROUGH MID WEEK WITH FAIR WEATHER RETURNING LATER IN THE WEEK.

THE LOW TEMPERATURE OVERNIGHT WILL RANGE FROM THE MID 50S
IN THE NORTHERN MOUNTAINS TO THE LOWER 60S IN THE SOUTHEASTERN 
PIEDMONT. THE HIGH TEMPERATURE TUESDAY WILL BE MAINLY
IN THE LOWER AND MID 70S.
National Ag. Weather Outlook, International Ag. Weather Summary
Current Surface Map, [2nd Source TWC]

Precision Agriculture Weather Forecast For ARMSTRONG County


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Hourly Observations For ARMSTRONG county
100 AM EDT TUE MAY 22 2012

WESTERN PENNSYLVANIA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ERIE           CLOUDY    66  61  84 S3        29.92F                  
MEADVILLE      CLEAR     62  59  90 CALM      29.95R                  
FRANKLIN*        N/A     61  57  88 CALM      29.96S                  
NEW CASTLE     FAIR      61  59  93 CALM      29.93S                  
BEAVER COUNTY  NOT AVBL                                               
BUTLER*        CLEAR     61  55  82 E3        29.94S                  
PITTSBURGH INT PTCLDY    65  59  81 E5        29.91S                  
PITTSBURGH     CLEAR     63  58  83 CALM      29.92R                  
INDIANA*       PTCLDY    61  61 100 CALM      29.94S                  
LATROBE        NOT AVBL                                               
WASHINGTON CO* CLEAR     57  57 100 CALM      29.93S

Current Temperatures, Dewpoint, RH, Wind, Surface 4-Panel

Current Agricultural Weather Conditions in Pennsylvania
Based on observations at 100am EDT, Tuesday May 22, 2012

Across Pennsylvania...temperatures are near 63 degrees west, near 61 degrees central, and near 63 degrees east. Current sky conditions are clear west, drizzle central, and drizzle east. In the west, relative humidity is near 83%, and the dew point is near 58 degrees. In the central part of the state, relative humidity is near 94%, and the dew point is near 59 degrees. In the east, relative humidity is near 100%, and the dew point is near 63 degrees. The livestock heat stress category is no stress west, no stress central, and no stress east. There is patchy fog east. Winds are calm in the west, where conditions are favorable for spraying. Winds are coming from the east at 6 mph in the central, where conditions are not favorable for spraying due to drizzle. Winds are coming from the northeast at 8 mph in the east, where conditions are not favorable for spraying due to drizzle. Based on current available observations, the highest temperature is 66 degrees at Erie. The lowest temperature is 59 degrees at Mount Pocono and Johnstown.

Current NOWCAST not available:
Nowcasts are not issued routinely during fair weather. Only when
precipitation or other significant weather is occuring in this county will these
forecasts be issued. Currently, there is no short term forecast in effect.

All NWS Radars (In near-real time), Current Livestock Heat Stress Index (LSI), Current Wind Chill Map
Hazardous Weather Outlook For ARMSTRONG County,PA 

1017 PM EDT MON MAY 21 2012

 DAY ONE  TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

 DAYS TWO THROUGH SEVEN  TUESDAY THROUGH SUNDAY.

A FRONTAL BOUNDARY WILL BRING SHOWERS AND THUNDERSTORMS TO THE
AREA AS IT MOVES SLOWLY EASTWARD ACROSS THE REGION TUESDAY INTO
TUESDAY NIGHT. SLOW-MOVING THUNDERSTORMS MAY LEAD TO FLASH
FLOODING. URBAN AND LOW-LYING AREAS WITH POOR DRAINAGE WILL BE
ESPECIALLY SUSCEPTIBLE TO FLOODING.

 SPOTTER INFORMATION STATEMENT  

SPOTTER ACTIVATION MAY BE NEEDED.

NWS Severe Weather Map , Convective Outlook

7-Day Forecast For ARMSTRONG County, PA
Issued at 1253 AM EDT TUE MAY 22 2012

OVERNIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. AREAS OF FOG. NEAR STEADY TEMPERATURE IN THE LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH. CHANCE OF RAIN 20 PERCENT.

TODAY
MOSTLY CLOUDY. AREAS OF FOG IN THE MORNING. A CHANCE OF SHOWERS IN THE MORNING
THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE AFTERNOON. HIGHS IN THE MID 70S. NORTHEAST WINDS AROUND 5 MPH
BECOMING NORTH AROUND 5 MPH IN THE AFTERNOON. CHANCE OF RAIN 60 PERCENT.

TONIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S. NORTH WINDS AROUND 5 MPH. CHANCE OF RAIN 50 PERCENT.

WEDNESDAY
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S. LIGHT AND VARIABLE WINDS
BECOMING EAST AROUND 5 MPH IN THE AFTERNOON. CHANCE OF RAIN 40 PERCENT.

WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING
THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER 50S. SOUTHEAST WINDS AROUND 5 MPH IN THE EVENING
BECOMING LIGHT AND VARIABLE. CHANCE OF RAIN 30 PERCENT.

THURSDAY
PARTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF RAIN 30 PERCENT.

THURSDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 50S. CHANCE OF RAIN 30 PERCENT.

FRIDAY THROUGH MEMORIAL DAY
PARTLY CLOUDY. HIGHS IN THE UPPER 80S. LOWS AROUND 60.

12-48 Hr Surface Forecast Maps, TWC 4-Panel Surface Forecast, Fire Danger, Day 1 Precip, Day 2 Precip, Days 1-5 Precip, Severe Weather Pot.-Day 1, Day 2

Medium & Long Range Outlook For Pennsylvania 
                                 PENN                                                                     
                 ---------------------------------
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
               MAY 27-MAY 31 MAY 29-JUN 4   JUN        JUN-AUG                      
                 -----------  -----------  --------  ---------
   Temperature:      Above        Above      Above     Normal                      
 Precipitation:      Above        Above     Normal     Normal                      

....  Medium and long range outlooks provided by NCEP/K. Thomas Priddy
5 Day Rainfall Forecast, 6 to 10 Day , 8 to 14 Day , Text, 30-Day Outook, 90-Day Outook, 120-Day Outlook
Historical Weather And Climate Facts For Today

///////////////////////////////////////
MAY 22ND...HISTORIC WEATHER EVENTS
...1876...
Denver CO was drenched with 6.53 inches of rain in 24 hours, an all-time
record for that location. (The Weather Channel)
...1911...
The temperature at Lewiston ME soared to 101 degrees. It was the hottest
temperature ever recorded in New England during the month of May. (David
Ludlum)
...1987...
A powerful tornado virtually wiped the small southwest Texas community of
Saragosa off the map. The twister destroyed eighty- five percent of the
structures in the town killing thirty persons and injuring 121 others in
the town of population 183. The tornado hurled trucks and autos through
adobe and wood- frame homes, with some vehicles blown 500 feet. (The
National Weather Summary) (Storm Data)


Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky