| Most of the
abbreviations in this product are designed to be self-explanatory
(i.e., Lrg Hail means large hail, or hail above 3/4"
in diameter). A table of abbreviations and their specific
meanings follows. |
| None |
No
hazardous weather is expected across the area. |
| Lrg
Hail |
Hail
greater than or equal to 3/4" in diameter. |
| Sml
Hail |
Hail
less than 3/4" in diameter. |
| Dmg
Winds |
Wind
gusts in excess of 50 kts, or 58 mph. |
| Gusty
Winds |
Wind
gusts 35-55 mph. |
| Lrg Hail/Dmg
Winds |
Wind gusts higher
than 58 mph and hail larger than 3/4" in diameter. |
| Isold
Tor |
Isolated tornadoes. |
| Lcl Flooding |
Rainfall may
be heavy enough to produce localized flooding. |
| Fqt Lightning |
Storms will
be capable of producing frequent cloud-to-ground lightning.
|
| Lcly
Heavy Rain |
Locally heavy
rain is possible, but not enough to produce any flooding. |
| Dense
Fog |
Fog will reduce
visibilities below 1/4 mile. |
| Heat
Indices |
The heat index
is forecast to reach 110ºF or higher. |
| Excessive
Heat |
Prolonged heat
indices of 120ºF or higher are expected. |
| Wind
Chills |
Wind chills
below 10ºF are expected. |
| Extreme
Cold |
Wind chills
below -10ºF are expected. |
| Lt Snow |
Snow accumulations
below 1/2". |
| Mdt Snow |
Snow accumulations
1/2-2". |
| Hvy Snow |
More than 2"
snow in 12 hours, or more than 4" snow in 24
hours. |
| Snow/Ice |
Accumulating
mix of snow and ice expected. |
| Sleet |
Sleet/ice pellets
are expected to accumulate. |
| Wintery
Mix |
Mix of precipitation
anticipated. |
| Frzg
Rain |
Ice accumulations
below 0.25" are expected. |
| Frzg
Drizzle |
A light coating
of ice is expected. |
| Ice Storm |
Significant
accumulations (more than 0.25") of ice are expected. |
| Freeze |
Temperatures
are forecast to be at or below 32ºF for 3+ hours
during a climatologically significant time of year. |
| Hard
Freeze |
Temperatures
are forecast to be at or below 28ºF for 3+ hours
during a climatologically significant time of year. |
| Frost |
Frost is expected
to form on vegetation and exposed surfaces. Tender
vegetation may be damaged or killed. |
| Fire Risk |
The weather
is becoming more conducive to wildfires. The relative
humidity is less than or equal to 35%, the sustained
surface wind is 10 mph or higher, and Keetch-Byram
Drought Index (KBDI) is greater than 500. |
|
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National Weather Service Forecast Office
