Update: Small Craft Advisory issued August 20 at 4:19AM HST until August 21 at 6:00AM HST by NWS Honolulu HI

Event: Small Craft Advisory
Sender Name: NWS Honolulu HI
Issued: 2021-08-20T04:19:00-10:00
Expires: 2021-08-20T16:45:00-10:00
Description: CCA

* WHAT…Northeast to east winds 20 to 25 kt, with higher gusts.

* WHERE…Maalaea Bay, Pailolo Channel, Alenuihaha Channel, Big
Island Leeward Waters and Big Island Southeast Waters.

* WHEN…Until 6 AM HST Saturday.

* IMPACTS…Conditions will be hazardous to small craft.

Instruction: Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in these conditions.
Link to more Info: http://www.weather.gov
Urgency: Expected
Severity: Minor
Certainty: Likely
Categories: Met,
Area Description: Maalaea Bay; Pailolo Channel; Alenuihaha Channel; Big Island Leeward Waters; Big Island Southeast Waters

Message Identifier: urn:oid:2.49.0.1.840.0.30a5c6764b85ab0789293ce887860d8a92a677bf.001.1
CAP MessageType: Update

Filed under NWS

Update: Flood Warning issued August 20 at 10:11AM EDT until August 21 at 12:00AM EDT by NWS Greenville-Spartanburg SC

Event: Flood Warning
Sender Name: NWS Greenville-Spartanburg SC
Issued: 2021-08-20T10:17:30-04:00
Expires: 2021-08-20T22:15:00-04:00
Description: The Flood Warning continues for
the French Broad River Near Fletcher.
* Until just after midnight tonight.
* At 8:30 AM EDT Thursday the stage was 13.0 feet.
* Flood stage is 13.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity…The maximum river stage in the 24 hours ending
at 7:02 PM EDT Thursday was 13.1 feet.
* Forecast…The river is expected to return to within its banks
Sunday morning.
* Impact…At 12.0 feet, Action Stage continues. Glenn Bridge Park
river access is experiencing minor flooding. Westfeldt Park is
experiencing scattered flooding. French Broad River floodwaters
are causing isolated to widely scattered farmland flooding.

Link to more Info: http://www.weather.gov
Urgency: Immediate
Severity: Severe
Certainty: Observed
Categories: Met,
Area Description: Buncombe, NC; Henderson, NC

Message Identifier: urn:oid:2.49.0.1.840.0.9ef00505e67ba3ec9926a44a107230bbb1335053.001.1
CAP MessageType: Update

Filed under FLS

Alert: Marine Weather Statement issued August 20 at 9:16AM CDT by NWS Mobile AL

Event: Marine Weather Statement
Sender Name: NWS Mobile AL
Issued: 2021-08-20T09:16:00-05:00
Expires: 2021-08-20T10:45:00-05:00
Description: At 913 AM CDT…Waterspouts possible over the near shore Gulf
waters this morning. Movement will be toward the east at 5 knots.

Locations impacted include…
Big Lagoon, Pensacola Beach, Pensacola Pass, Sand Island Lighthouse,
Fort Pickens, Farewell Buoy, Perdido Pass, Orange Beach, Central
Dauphin Island and Okaloosa Deep Water Reef.

Weather conditions support the development of waterspouts. Waterspouts
can easily overturn boats and create locally hazardous waves and seas.
If a waterspout is sighted…seek safe harbor immediately.

The primary threats from these waterspouts will be wind gusts up to
30 knots and locally higher waves. Boaters should consider seeking safe
harbor until these waterspouts have passed.

Link to more Info: http://www.weather.gov
Urgency: Expected
Severity: Minor
Certainty: Observed
Categories: Met,
Area Description: South Mobile Bay; Mississippi Sound; Perdido Bay Area; Pensacola Bay Area including Santa Rosa Sound; Coastal waters from Pensacola FL to Pascagoula MS out 20 NM; Coastal waters from Okaloosa-Walton County Line to Pensacola FL out 20 NM; Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM; Waters from Okaloosa-Walton County Line to Pensacola FL from 20 to 60 NM

Message Identifier: urn:oid:2.49.0.1.840.0.d8407407f5fb7cf56c5f58999039b9e1d6126258.001.1
CAP MessageType: Alert

Filed under NWS

Update: Flood Warning issued August 20 at 10:15AM EDT until August 20 at 1:45PM EDT by NWS Baltimore MD/Washington DC

Event: Flood Warning
Sender Name: NWS Baltimore MD/Washington DC
Issued: 2021-08-20T10:15:00-04:00
Expires: 2021-08-20T13:45:00-04:00
Description: At 1015 AM EDT, emergency management reported an area of very heavy
rainfall is producing flooding across the warned area. Between 2 and
4 inches of rain have fallen. County and city 911 centers report
that over dozen roads are closed due to flooding. Flooding continues
to occur.

Some locations that will experience flooding include…
Arlington… Alexandria…
Bethesda… Annandale…
Springfield… College Park…
Fort Washington… Greenbelt…
Langley Park… Beltsville…
Fort Hunt… Groveton…
Falls Church… Huntington…
Coral Hills… Bladensburg…
Mantua… Fort Belvoir…
Pimmit Hills… National Harbor…

Additional rainfall amounts up to 0.5 inches are possible in the
warned area.

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: District of Columbia, DC; Montgomery, MD; Prince Georges, MD; Arlington, VA; Fairfax, VA; City of Alexandria, VA; City of Falls Church, VA

Message Identifier: urn:oid:2.49.0.1.840.0.27d55a78a389f61142704a291651758605b2bd17.001.1
CAP MessageType: Update

Filed under FLS

Update: Flood Warning issued August 20 at 10:11AM EDT until August 20 at 1:15PM EDT by NWS Baltimore MD/Washington DC

Event: Flood Warning
Sender Name: NWS Baltimore MD/Washington DC
Issued: 2021-08-20T10:11:00-04:00
Expires: 2021-08-20T13:15:00-04:00
Description: At 1011 AM EDT, Doppler radar indicated an area of very heavy
rainfall across the warned area. Between 1.5 and 3 inches of rain
have fallen. Emergency Management and county 911 reports multiple
roads closed due to flood along with multiple gauges in minor flood
stage.

Some locations that will experience flooding include…
Centreville… Reston…
Annandale… Herndon…
Fairfax… Vienna…
Falls Church… Mantua…
Pimmit Hills… Mclean…
Potomac… Burke…
Oakton… Chantilly…
Tysons Corner… Wolf Trap…
Great Falls… Merrifield…
Lake Barcroft… I66 and I495 Interchange…

Additional rainfall amounts up to 0.5 inches are possible in the
warned area.

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: Fairfax, VA; City of Fairfax, VA

Message Identifier: urn:oid:2.49.0.1.840.0.e33491776d56e3326a3589df564da035caa00b28.001.1
CAP MessageType: Update

Filed under FLS

Alert: Dense Fog Advisory issued August 20 at 6:10AM AKDT until August 20 at 10:00AM AKDT by NWS Juneau AK

Event: Dense Fog Advisory
Sender Name: NWS Juneau AK
Issued: 2021-08-20T06:10:00-08:00
Expires: 2021-08-20T10:00:00-08:00
Description: * WHAT…Visibility one quarter mile or less in dense fog.

* WHERE…Inner Channels from Kupreanof Island to Etolin Island,
including community of Petersburg.

* WHEN…Until 10 AM AKDT this morning.

* IMPACTS…Hazardous driving conditions due to low visibility.

* ADDITIONAL DETAILS…Conditions will dissipate or lift around 10
am this morning.

Instruction: If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
Link to more Info: http://www.weather.gov
Urgency: Expected
Severity: Moderate
Certainty: Likely
Categories: Met,
Area Description: Inner Channels from Kupreanof Island to Etolin Island

Message Identifier: urn:oid:2.49.0.1.840.0.1e53b32057d493d04cee1ff4947b88d4f8f6f847.001.1
CAP MessageType: Alert

Filed under NWS

Alert: Dense Fog Advisory issued August 20 at 10:08AM EDT until August 20 at 10:00AM EDT by NWS Charleston WV

Event: Dense Fog Advisory
Sender Name: NWS Charleston WV
Issued: 2021-08-20T10:08:00-04:00
Expires: 2021-08-20T11:15:00-04:00
Description: Visibility will continue to improve in the next few hours with
daytime heating. Some locally dense fog is still being observed,
especially within river valleys. Continue to use caution if
traveling this morning.

Link to more Info: http://www.weather.gov
Urgency: Expected
Severity: Moderate
Certainty: Likely
Categories: Met,
Area Description: Greenup; Carter; Boyd; Lawrence; Perry; Morgan; Athens; Washington; Jackson; Vinton; Meigs; Gallia; Lawrence; Dickenson; Buchanan; Wayne; Cabell; Mason; Jackson; Wood; Pleasants; Tyler; Lincoln; Putnam; Kanawha; Roane; Wirt; Calhoun; Ritchie; Doddridge; Mingo; Logan; Boone; Clay; Braxton; Gilmer; Lewis; Harrison; Taylor; McDowell; Wyoming; Upshur; Barbour

Message Identifier: urn:oid:2.49.0.1.840.0.b0e3f75663aa305c0a0a60dbdf62cf8e4ff8ce74.001.1
CAP MessageType: Alert

Filed under NWS

Cancel: The Flash Flood Warning has been cancelled.

Event: Flash Flood Warning
Sender Name: NWS Baltimore MD/Washington DC
Issued: 2021-08-20T10:07:00-04:00
Expires: 2021-08-20T10:22:32-04:00
Description: The Flash Flood Warning has been cancelled and is no longer in effect.
Link to more Info: http://www.weather.gov
Urgency: Past
Severity: Minor
Certainty: Observed
Categories: Met,
Area Description: Montgomery, MD; Arlington, VA; Fairfax, VA; City of Alexandria, VA; City of Falls Church, VA

Message Identifier: urn:oid:2.49.0.1.840.0.8a1143a496ba5de0ee6194253a70aa7858736bee.001.1
CAP MessageType: Cancel

Filed under FFS

Update: Flood Warning issued August 20 at 10:06AM EDT until August 22 at 1:00AM EDT by NWS Greenville-Spartanburg SC

Event: Flood Warning
Sender Name: NWS Greenville-Spartanburg SC
Issued: 2021-08-20T10:06:00-04:00
Expires: 2021-08-20T22:15:00-04:00
Description: The Flood Warning continues for
the French Broad River At Blantyre.
* Until early Sunday morning.
* At 9:46 AM EDT Friday the stage was 18.0 feet.
* Flood stage is 16.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity…The maximum river stage in the 24 hours ending
at 9:46 AM EDT Friday was 20.6 feet.
* Forecast…The river is expected to fall below flood stage early
tomorrow afternoon and continue falling to 14.0 feet Wednesday
morning.
* Impact…At 17.0 feet, Minor Flooding continues. Floodwaters
continue to inundate farmland between the French Broad River and
the railroad tracks. Floodwaters may start to inundate the
shoulders of River Road near the Big Willow Road intersection.
Floodwaters continue to impact boat access areas at Grove Bridge
Rd. and Crab Creek Rd.

Link to more Info: http://www.weather.gov
Urgency: Immediate
Severity: Severe
Certainty: Observed
Categories: Met,
Area Description: Henderson, NC; Transylvania, NC

Message Identifier: urn:oid:2.49.0.1.840.0.f2644daf3c60e1d34844cb0267cd86b68af9172e.001.1
CAP MessageType: Update

Filed under FLS

Cancel: The Flash Flood Warning has been cancelled.

Event: Flash Flood Warning
Sender Name: NWS Baltimore MD/Washington DC
Issued: 2021-08-20T10:05:00-04:00
Expires: 2021-08-20T10:20:19-04:00
Description: The Flash Flood Warning has been cancelled and is no longer in effect.
Link to more Info: http://www.weather.gov
Urgency: Past
Severity: Minor
Certainty: Observed
Categories: Met,
Area Description: Fairfax, VA

Message Identifier: urn:oid:2.49.0.1.840.0.c230ead243d2511f4208d10eca9b2a09d1353bc9.001.1
CAP MessageType: Cancel

Filed under FFS