EVENTS DATABASE: THUNDERSTORM WIND

DESCRIPTION:

Contains occurrences of damaging thunderstorm winds in the mid-Atlantic region.

# Occurrences: 22240

# Events: 2567

Event Criteria: Consecutive occurrences within 6 hrs of each other

Occurrence Criteria: As classified by NCDC storm events database; all winds > 42 knots.

Sources: NCDC Storm Events Database

NOTES:

While care was taken to represent times as accurately as possible, some times may be an hour off due to daylight savings time considerations when converting to UTC.

DUE TO THE SIZE OF THIS DATABASE, CERTAIN REQUESTS MAY TAKE CONSIDERABLE TIME TO PROCESS.

SELECT DATES:

Database Start Year: 1955

Database End Year: 2011

Please select a starting date and ending date for your query:

Start Date: Enter yyyy mm dd - -

End Date: Enter yyyy mm dd

Month:

Order: Earliest to Latest Latest to Earliest

Only gather occurrences with complete date and time information.

Group occurrences by event index.

The above option will generate an average event time and location. The other fields will not be shown if this option is selected.

SELECT FIELDS:

Please select which fields you'd like to retrieve. If you want all of them, skip to the next section.

Field Name
Description
Format
 Incomplete
datetime
The date and time of the event (UTC).
yyyy-mm-dd hh:mm:ss
  
event_index
Describes to which event the occurrence belongs; typically numbered consecutively.
integer
  
lat
The latitude of the occurrence (N-positive).
floating point number
  
lon
The longitude of the occurrence (W-negative).
floating point number
  
damage
Event damage cost (dollars).
integer

YES
comments
Peak wind speed (knots)
floating point number
 YES
state
The US state of the occurrence.
2-letter state abbrev.
  
location
The location or county of the occurrence.
text
c2
Fatalities.
integer
c3
Injuries.
integer

SELECT FORMAT:

Please select a format for viewing your results. Plain text is best for copying into Excel or another file, while web pages are easiest to read if you are just browsing.

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Limit: records.

Click "Retrieve Events" to submit your query and view the results.

Interface designed by SJG for Pennsylvania State Climate Office; Summer 2005