Alert: Tornado Warning issued August 18 at 8:37PM CDT expiring August 18 at 9:00PM CDT by NWS Sioux Falls SD

Event: Tornado Warning
Sender Name: NWS Sioux Falls SD
Issued: 2017-08-18T20:37:46-05:00
Expires: 2017-08-18T21:00:00-05:00
WEA Text: Tornado Warning in this area til 9:00 PM CDT. Take shelter now. Check local media. -NWS
Description: The National Weather Service in Sioux Falls has issued a

* Tornado Warning for…
Western Clay County in northwestern Iowa…
Eastern O’Brien County in northwestern Iowa…

* Until 900 PM CDT

* At 837 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Primghar, or 13 miles east of Sheldon, moving
southeast at 25 mph.

HAZARD…Tornado and hail up to two inches in diameter.

SOURCE…Radar indicated rotation.

IMPACT…Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.

* This dangerous storm will be near…
Sutherland around 900 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Calumet.

Instruction: TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

Link to more Info: http://www.weather.gov
Urgency: Immediate
Severity: Extreme
Certainty: Observed
Categories: Met,
Area Description: Clay; O’Brien

Message Identifier: NWS-IDP-PROD-2491467-2324620
CAP MessageType: Alert
Added note: – Tornado warnngs

Filed under TOR

Alert: Tornado Warning issued August 18 at 8:25PM CDT expiring August 18 at 9:00PM CDT by NWS Sioux Falls SD

Event: Tornado Warning
Sender Name: NWS Sioux Falls SD
Issued: 2017-08-18T20:25:58-05:00
Expires: 2017-08-18T21:00:00-05:00
WEA Text: Tornado Warning in this area til 9:00 PM CDT. Take shelter now. Check local media. -NWS
Description: The National Weather Service in Sioux Falls has issued a

* Tornado Warning for…
Southeastern Osceola County in northwestern Iowa…
West central Clay County in northwestern Iowa…
Northeastern O’Brien County in northwestern Iowa…

* Until 900 PM CDT

* At 825 PM CDT, a confirmed large and extremely dangerous tornado
was located over Melvin, or 11 miles southeast of Sibley, moving
southeast at 25 mph.

This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

HAZARD…Damaging tornado.

SOURCE…Radar confirmed tornado.

IMPACT…You are in a life-threatening situation. Flying debris
may be deadly to those caught without shelter. Mobile
homes will be destroyed. Considerable damage to homes,
businesses, and vehicles is likely and complete
destruction is possible.

* The tornado will be near…
Hartley around 845 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Moneta.

Instruction: To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to a basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

Link to more Info: http://www.weather.gov
Urgency: Immediate
Severity: Extreme
Certainty: Observed
Categories: Met,
Area Description: Clay; O’Brien; Osceola

Message Identifier: NWS-IDP-PROD-2491456-2324611
CAP MessageType: Alert
Added note: – Tornado warnngs

Filed under TOR

Update: Flash Flood Warning issued August 18 at 6:15PM PDT expiring August 18 at 8:15PM PDT by NWS Reno NV

Event: Flash Flood Warning
Sender Name: NWS Reno NV
Issued: 2017-08-18T18:15:19-07:00
Expires: 2017-08-18T20:15:00-07:00
Description: The thunderstorms that produced very heavy rainfall on the Farad
burn scar have moved south and additional heavy rainfall is
unlikely. However, the flash flood warning will remain in effect to
allow time for water and debris to move through the watershed in
this area of steep terrain. If you are traveling along I-80 between
Verdi and Floriston, watch for mud and debris and be prepared to
stop.

Instruction: Rockslides, mudslides and debris flows in steep terrain, especially
in and around this area, can cover the roadway and push vehicles off
the road. If you encounter these, do not attempt to cross.

Link to more Info: http://www.weather.gov
Urgency: Immediate
Severity: Severe
Certainty: Likely
Categories: Met,
Area Description: Nevada; Sierra

Message Identifier: NWS-IDP-PROD-2491445-2324603
CAP MessageType: Update
Added note: – Flash Flood Warnings warnings

Filed under FFS

Cancel: The Flash Flood Warning has been cancelled.

Event: Flash Flood Warning
Sender Name: NWS Baltimore MD/Washington DC
Issued: 2017-08-18T21:09:14-04:00
Expires: 2017-08-18T21:24:14-04:00
Description: The Flash Flood Warning has been cancelled and is no longer in effect.
Instruction:

Link to more Info: http://www.weather.gov
Urgency: Past
Severity: Minor
Certainty: Observed
Categories: Met,
Area Description: Prince Georges; Arlington; Montgomery; District of Columbia; Fairfax

Message Identifier: NWS-IDP-PROD-2491430-2324598
CAP MessageType: Cancel
Added note: – Flash Flood Warnings warnings

Filed under FFS

Cancel: The Flash Flood Warning has been cancelled.

Event: Flash Flood Warning
Sender Name: NWS Baltimore MD/Washington DC
Issued: 2017-08-18T21:09:14-04:00
Expires: 2017-08-18T21:24:14-04:00
Description: The Flash Flood Warning has been cancelled and is no longer in effect.
Instruction:

Link to more Info: http://www.weather.gov
Urgency: Past
Severity: Minor
Certainty: Observed
Categories: Met,
Area Description: Prince Georges; Arlington; Montgomery; District of Columbia; Fairfax

Message Identifier: NWS-IDP-PROD-2491430-2324598
CAP MessageType: Cancel

Filed under FFS

Cancel: The Flash Flood Warning has been cancelled.

Event: Flash Flood Warning
Sender Name: NWS Baltimore MD/Washington DC
Issued: 2017-08-18T20:49:16-04:00
Expires: 2017-08-18T21:04:16-04:00
Description: The Flash Flood Warning has been cancelled and is no longer in effect.
Instruction:

Link to more Info: http://www.weather.gov
Urgency: Past
Severity: Minor
Certainty: Observed
Categories: Met,
Area Description: Harford

Message Identifier: NWS-IDP-PROD-2491381-2324558
CAP MessageType: Cancel
Added note: – Flash Flood Warnings warnings

Filed under FFS

Update: Flash Flood Warning issued August 18 at 8:42PM EDT expiring August 18 at 11:30PM EDT by NWS Baltimore MD/Washington DC

Event: Flash Flood Warning
Sender Name: NWS Baltimore MD/Washington DC
Issued: 2017-08-18T20:42:57-04:00
Expires: 2017-08-18T23:30:00-04:00
Description: At 841 PM EDT, Doppler radar indicated up to four inches of rain
have already fallen. An additional one to two tenths is expected
through the rest of the evening. Flash flooding is expected to
continue through the rest of the evening.

Some locations that will experience flooding include…
Greenwell State Park, Saint Leonard Creek, Flag Harbor, Calvert
Cliffs, Saint Leonard, Wicomico, Long Beach, Mechanicsville, Calvert
Beach, Morganza, Tompkinsville, Hillville, Chaptico, Sandgates,
Sotterley, Mount Victoria, Newburg, Swan Point, Maddox and Oakville.

Instruction: Turn around, don’t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Link to more Info: http://www.weather.gov
Urgency: Immediate
Severity: Severe
Certainty: Likely
Categories: Met,
Area Description: St. Marys; Calvert; Charles

Message Identifier: NWS-IDP-PROD-2491362-2324547
CAP MessageType: Update
Added note: – Flash Flood Warnings warnings

Filed under FFS

Update: Tornado Warning issued August 18 at 7:25PM CDT expiring August 18 at 7:45PM CDT by NWS Sioux Falls SD

Event: Tornado Warning
Sender Name: NWS Sioux Falls SD
Issued: 2017-08-18T19:26:05-05:00
Expires: 2017-08-18T19:45:00-05:00
Description: At 725 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Rushmore, or 12 miles west of Worthington, moving
southeast at 20 mph.

HAZARD…Tornado and golf ball size hail.

SOURCE…Radar indicated rotation.

IMPACT…Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.

This dangerous storm will be near…
Rushmore around 735 PM CDT.

Instruction: TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

Link to more Info: http://www.weather.gov
Urgency: Immediate
Severity: Extreme
Certainty: Observed
Categories: Met,
Area Description: Nobles

Message Identifier: NWS-IDP-PROD-2491332-2324524
CAP MessageType: Update
Added note: – Tornado warnngs

Filed under SVS

Alert: Flash Flood Warning issued August 18 at 5:21PM PDT expiring August 18 at 8:15PM PDT by NWS Reno NV

Event: Flash Flood Warning
Sender Name: NWS Reno NV
Issued: 2017-08-18T17:21:19-07:00
Expires: 2017-08-18T20:15:00-07:00
WEA Text: Flash Flood Warning this area til 8:15 PM PDT. Avoid flood areas. Check local media. -NWS
Description: The National Weather Service in Reno has issued a

* Flash Flood Warning for…
Sierra County in northern California…
Nevada County in northern California…

* Until 815 PM PDT

* At 517 PM PDT, Doppler radar indicated thunderstorms producing
heavy rain across the Farad burn scar along I-80. Up to one inch
of rain has already fallen. Flash flooding is expected to begin
shortly.

* Flash flooding is likely near the Farad burn scar including I-80.
Excessive rainfall over the burn scar will result in debris flow
moving onto I-80. The debris flow can consist of rock, mud,
vegetation and other loose materials.

Instruction: Turn around when encountering rock and debris. Most flood deaths
occur in vehicles.

Link to more Info: http://www.weather.gov
Urgency: Immediate
Severity: Severe
Certainty: Likely
Categories: Met,
Area Description: Nevada; Sierra

Message Identifier: NWS-IDP-PROD-2491324-2324518
CAP MessageType: Alert
Added note: – Flash Flood Warnings warnings

Filed under FFW

Cancel: The Severe Thunderstorm Watch has been cancelled.

Event: Severe Thunderstorm Watch
Sender Name: NWS Baltimore MD/Washington DC
Issued: 2017-08-18T19:48:30-04:00
Expires: 2017-08-18T20:03:30-04:00
Description: The Severe Thunderstorm Watch has been cancelled and is no longer in effect.
Instruction:

Link to more Info: http://www.weather.gov
Urgency: Past
Severity: Minor
Certainty: Observed
Categories: Met,
Area Description: Stafford; City of Manassas Park; Anne Arundel; Fairfax; Spotsylvania; Prince William; City of Fredericksburg; Prince Georges; Arlington; City of Fairfax; City of Falls Church; City of Alexandria; District of Columbia; City of Manassas

Message Identifier: NWS-IDP-PROD-2491242-2324452
CAP MessageType: Cancel

Filed under SVA