Search and explore the rolling 365-day signal archive. Historical presence shows what sources reported at the time; it is not independent verification.
At 1253 PM MDT, Doppler radar was tracking a strong thunderstorm 8 miles south of Green Mountain Reservoir, or 53 miles east of Glenwood Springs, moving east at 40 mph. HAZARD...Wind gusts up to 50 mph and half inch size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around un…
At 253 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from Olga to near Southwest Florida Airport to Bonita Beach. Movement was northwest at 20 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured obje…
FFWFGZ The National Weather Service in Flagstaff has issued a * Flash Flood Warning for... Coconino County in north central Arizona... Including Colorado River between river miles 0 and 11 * Until 245 PM MST /345 PM MDT/. * At 1153 AM MST /1253 PM MDT/, Doppler radar indicated thunderstorms producing heavy rain across…
* WHAT...Temperatures will be as low as 29 degrees on Tuesday will result in frost formation. * WHERE...Colder locations throughout the Anchorage Bowl and Lower Matanuska Valley. * WHEN...From 2 AM to 9 AM AKDT Tuesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if…
A Marine Weather Statement has been issued for the following areas... Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake.... Michigan City IN to New Buffalo MI... New Buffalo MI to St Joseph MI... At 245 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to…
SVRSLC The National Weather Service in Salt Lake City has issued a * Severe Thunderstorm Warning for... Southwestern Kane County in southern Utah... * Until 130 PM MDT. * At 1245 PM MDT, a severe thunderstorm was located 8 miles northeast of Kanab, moving northeast at 20 mph. HAZARD...60 mph wind gusts and quarter size…
148 announcements and 102 withdrawals across 127 RIS peers. Origins observed: AS28220. Withdrawals can reflect maintenance or normal convergence. Cause is unconfirmed.
527 announcements and 102 withdrawals across 183 RIS peers. Origins observed: AS36914. Withdrawals can reflect maintenance or normal convergence. Cause is unconfirmed.
SVRGGW The National Weather Service in Glasgow has issued a * Severe Thunderstorm Warning for... Southeastern Garfield County in northeastern Montana... Southern McCone County in northeastern Montana... Northwestern Prairie County in northeastern Montana... West central Dawson County in northeastern Montana... * Until…
* WHAT...Gusty south winds at 20 to 30 kt. * WHERE...Nearshore Waters from North Point Lighthouse to Winthrop Harbor IL. * WHEN...Until 5 PM CDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Instruction: Inexperienced mariners, especially those operating smaller vessels, should avoid navigati…
* WHAT...Gusty south winds at 20 to 30 kt. * WHERE...Nearshore Waters from North Point Lighthouse to Winthrop Harbor IL. * WHEN...Until 5 PM CDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. Instruction: Inexperienced mariners, especially those operating smaller vessels, should avoid navigati…
140 announcements and 156 withdrawals across 133 RIS peers. Origins observed: AS8151. Withdrawals can reflect maintenance or normal convergence. Cause is unconfirmed.
A Marine Weather Statement has been issued for the following areas... Nearshore Waters from Winthrop Harbor to Northerly Island... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake... At 135 PM CDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunde…
509 announcements and 162 withdrawals across 162 RIS peers. Origins observed: AS28220. Withdrawals can reflect maintenance or normal convergence. Cause is unconfirmed.
367 announcements and 123 withdrawals across 155 RIS peers. Origins observed: AS28220. Withdrawals can reflect maintenance or normal convergence. Cause is unconfirmed.
* WHAT...Heat index values up to 100-103 degrees. * WHERE...Portions of central and south central Iowa, including the Des Moines metro. * WHEN...From 1 PM Monday to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...While heat index values may not reach 1…