Aresinc.gif (2461 bytes)

Western Hillsborough County New Hampshire ARES/SKYWARN     Reporting Criteria

mainskywarn.gif (6560 bytes)
Page last updated: 10/10/99

What to report to NWS Taunton

Summertime SKYWARN Activation’s
HIGHEST PRIORITY REPORTS:
  • Tornado or waterspout

HIGH PRIORITY REPORTS:

  • T-storm winds 58 MPH or Greater. 58 MPH winds may uproot trees, and cause considerable damage to buildings
  • Hail 3/4 inch in diameter or larger.(a quarter is 1 inch in diameter)

THESE REPORTS ARE CLASSIFIED BY NWS TO BE SEVERE.

OTHER PRIORITY REPORTS:

  • Funnel or Wall clouds.
  • T-storm winds of 40-57 MPH. 40 - 57 MPH winds may break twigs off of trees, cause slight damage to buildings, and blow shingles off a roof
  • T-storm wind that causes damage to power lines, trees or houses.
  • Any size hail
  • Rainfall in excess of 1" per hour.
  • Rainfall in excess of 2" in a 12 hour period with every additional inch reported for the duration of the event
  • Rise of Streams Rivers or Ocean to near flood stage.
  • Any flooding of roads which make them impassable, river/stream flooding, flooding to houses or businesses causing damage.
  • Known deaths injuries or damage due to lightning.
  • Any other damage or unusual activity in the storm.

THESE REPORTS ARE CLASSIFIED BY NWS TAUNTON AS STRONG.

Additional Guidelines for Tropical Storms and Hurricanes:

REPORT ONLY:

  • Wind gusts of 58 MPH or Greater.
  • Rainfall amounts every two inches.
  • Any KNOWN storm surge inundation of coastal areas.
  • Peak wind gust for the entire storm.
  • Lowest barometric pressure and time it occurred.
  • Total storm rainfall amount.
  • Structural and severe tree damage.

Wintertime SKYWARN Activation’s:

  • High Wind Warning
  • Flood Watch/Warning
  • Winter Storm/Blizzard/Heavy Snow or Ice Storm Warning
  • Coastal Flood Warning
  • Reports can also be made for snowfall when an accumulative snow is in progress.

HIGHEST PRIORITY REPORTS:

  • Damaging wind gusts of 58 MPH or greater.
  • Flooding of streams, rivers and urban areas causing damage or roads to be impassable also ice jam flooding.
  • Two inches of rain in a 12 hour period.
  • Icing reports of 1/3" or greater.
  • Snow reports in approximately two inch intervals and especially when the storm has passed.

OTHER PRIORITY REPORTS:

  • Wind gusts between 40 and 57 MPH.
  • Any changeover in precipitation type (i.e.: Snow to Ice to Rain, Rain to Ice to Snow).
  • Any type of thunderstorm in progress.
  • Rainfall in excess of 1 inch per hour.
  • Any accumulation of snow one inch or greater when none is forecast otherwise snow accumulations in approximately two inch intervals and especially snowfall totals when the storm has passed.
  • Rain when frozen precipitation is forecast.
  • Minor stream or roadway flooding.
  • Blowing and drifts snow closing roads.
WB01514_.gif (256 bytes) Return to the WHCARES ARES/SKYWARN page