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Remnants Of Grace

UPDATED
400 PM CDT Sat Aug 21 2021
LOCATION
65 MI WNW OF CIUDAD DE MEXICO
WINDS
25 MPH
PRESSURE
1002 MB
MOVING
W AT 13 MPH

Grace weakens to a disturbance.

KEY MESSAGES
ALERTS
HAZARDS
SUMMARY
DISCUSSION

1. Through tonight, lingering heavy rainfall from the remnants of Grace may result in additional areas of flash and urban flooding, along with mudslides, over central Mexico.


CHANGES WITH THIS ADVISORY: The government of Mexico has discontinued all warnings for the coast of Mexico. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: There are no coastal watches or warnings in effect. For storm information specific to your area, please monitor products issued by your national meteorological service.


Key messages for Grace can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT2, WMO header WTNT42 KNHC and on the web at www.hurricanes.gov/graphics_at2.shtml?key_messages.

RAINFALL: The remnants of Grace will be capable of producing an additional 1 to 3 inches of rain with isolated maximum amounts of around 5 inches through tonight across portions of central Mexico, including Ciudad de Mexico. The lingering heavy rainfall may lead to additional areas of flash and urban flooding, along with mudslides, through tonight.

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At 400 PM CDT (2100 UTC), the remnants of Grace were located near latitude 19.6 North, longitude 100.1 West. The remnants are moving toward the west near 13 mph (20 km/h) and this general motion is expected to continue tonight. Maximum sustained winds are near 25 mph (35 km/h) with higher gusts. Although Grace has dissipated, its remnants will likely move into the eastern North Pacific by Sunday afternoon, where it is likely to develop into a new tropical cyclone next week. The estimated minimum central pressure is 1002 mb (29.59 inches).


The mountainous terrain of Mexico has taken its toll on Grace. Surface observations and high-resolution visible satellite images indicate that the system no longer has a definite surface circulation, and Grace has degenerated into a trough to the west of Mexico City. Therefore, this is the last advisory on this system.

Although the surface center has dissipated, the mid-tropospheric remnants of Grace are expected to continue westward, and to emerge into the eastern Pacific Ocean by late Sunday. There is high likelihood that this will lead to the formation of a new tropical cyclone over that basin by early next week. For additional information on this possibility, see the eastern North Pacific Tropical Weather Outlook under AWIPS header MIATWOEP, WMO header ABPZ20 KNHC and on the web at hurricanes.gov.

View storm archives
      Hurricane Grace Advisory 24
      Grace passing just south of cozumel as the hurricane approaches the coast of the eastern Yucatan peninsula.
      Hurricane Grace Advisory 22A
      Grace expected to bring strong winds and a dangerous storm surge to portions of the eastern Yucatan peninsula of mexico.
      Hurricane Grace Advisory 22
      Grace expected to bring strong winds and a dangerous storm surge to portions of the eastern Yucatan peninsula of mexico.
      Hurricane Grace Advisory 21
      Air force reserve and NOAA hurricane hunters find that grace becomes a hurricane just west of grand cayman.
LOCAL ALERTS
WEATHER
NEWS
TRAFFIC
Sources include nearest National Weather Service office, National Hurricane Center, and the Florida Public Radio Emergency Network (@FloridaStorms).
Sources include nearby emergency management agencies, FEMA, and your local NPR affiliate. 
Sources include the Florida Department of Transportation, Florida Highway Patrol and other nearby traffic information.

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