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At 1800 UTC [[Coordinated Universal Time|UTC]], the area of disturbed weather was designated as Tropical Depression Eleven-E. Convection continued, but the cyclone encountered extensive easterly to north-easterly wind shear which stinted the strengthening of the storm through out its life. <ref name="Tropical Weather Discussion">{{cite web|author=Cangiolosi|date=[[2007-08-30]]|title=Tropical Weather Discussion |publisher=National Hurricane Center|accessdate=2007-08-31|url=ftp://ftp.met.fsu.edu/pub/weather/tropical/Pac-Dis/2007083021.AXPZ20}}</ref> The depression moved north west, parallel with the west coast of [[Mexico]], due a mid and upper-level steering [[ridge]].
At 1800 UTC [[Coordinated Universal Time|UTC]], the area of disturbed weather was designated as Tropical Depression Eleven-E. Convection continued, but the cyclone encountered extensive easterly to north-easterly wind shear which stinted the strengthening of the storm through out its life. <ref name="Tropical Weather Discussion">{{cite web|author=Cangiolosi|date=[[2007-08-30]]|title=Tropical Weather Discussion |publisher=National Hurricane Center|accessdate=2007-08-31|url=ftp://ftp.met.fsu.edu/pub/weather/tropical/Pac-Dis/2007083021.AXPZ20}}</ref> The depression moved north west, parallel with the west coast of [[Mexico]], due a mid and upper-level steering [[ridge]].


On [[August 31]], it strengthened to become '''Tropical Storm Henriette'''<ref name="11E Discussion 4">{{cite web|author=Avila|date=[[2007-08-31]]|title=Tropical Depression 11-E Discussion Four|publisher=National Hurricane Center|accessdate=2007-08-31|url=http://www.nhc.noaa.gov/archive/2007/ep11/ep112007.discus.004.shtml?}}</ref>, as it continued to move along the [[Mexico|Mexican]] coast, bringing heavy rains. Henriette continued to strengthen due to low wind shear and high SSTs, and NHC forecasts indicated that Henriette would become a hurricane. However, despite favorable conditions, Henriette remained a tropical storm. This is believed a result of its close proximity to land and colder waters brought to the surface by Henriette's slow movement. It maintained its strength as it moved away from [[Jalisco]] towards [[Baja California]], and reached hurricane strength on [[September 4]] as conditions become more favorable for development.
On [[August 31]], it strengthened to become '''Tropical Storm Henriette'''<ref name="11E Discussion 4">{{cite web|author=Avila|date=[[2007-08-31]]|title=Tropical Depression 11-E Discussion Four|publisher=National Hurricane Center|accessdate=2007-08-31|url=http://www.nhc.noaa.gov/archive/2007/ep11/ep112007.discus.004.shtml?}}</ref>, as it continued to move along the [[Mexico|Mexican]] coast, bringing heavy rains. Henriette continued to strengthen due to low wind shear and high SSTs, and NHC forecasts indicated that Henriette would become a hurricane. However, despite favorable conditions, Henriette remained a tropical storm. This is believed a result of its close proximity to land and colder waters brought to the surface by Henriette's slow movement. It maintained its strength as it moved away from [[Jalisco]] towards [[Baja California]], and reached hurricane strength on [[September 4]] as conditions become more favorable for development. The hurricane reached its peak intensity of 75 [[knots|kt]] that morning while centered about 75 NM south-southeast of Cabo San Lucas.


'''Hurricane Henriette''' made landfall on the tip of the [[Baja California peninsula]] near [[San José del Cabo]] on [[September 4]]<ref name="11E Discussion 21">{{cite web|author=Rhome|date=[[2007-09-04]]|title=Tropical Depression 11-E Discussion Twenty-One|publisher=National Hurricane Center|accessdate=2007-09-06|url=http://www.nhc.noaa.gov/archive/2007/ep11/ep112007.discus.021.shtml?}}</ref>. It remained over land for six hours before emerging into the [[Sea of Cortez]], still at hurricane strength<ref name="11E Discussion 22">{{cite web|author=Brown|date=[[2007-09-04]]|title=Tropical Depression 11-E Discussion Twenty-Two|publisher=National Hurricane Center|accessdate=2007-09-06|url=http://www.nhc.noaa.gov/archive/2007/ep11/ep112007.discus.022.shtml?}}</ref>. The next day it made final landfall near [[Guaymas]] in the state of [[Sonora]]<ref name="11E Discussion 26">{{cite web|author=Brown|date=[[2007-09-05]]|title=Tropical Depression 11-E Discussion Twenty-Six|publisher=National Hurricane Center|accessdate=2007-09-06|url=http://www.nhc.noaa.gov/archive/2007/ep11/ep112007.discus.026.shtml?}}</ref>, and dissipated soon after.
'''Hurricane Henriette''' made landfall on the tip of the [[Baja California peninsula]] near [[San José del Cabo]] on [[September 4]]<ref name="11E Discussion 21">{{cite web|author=Rhome|date=[[2007-09-04]]|title=Tropical Depression 11-E Discussion Twenty-One|publisher=National Hurricane Center|accessdate=2007-09-06|url=http://www.nhc.noaa.gov/archive/2007/ep11/ep112007.discus.021.shtml?}}</ref>. It remained over land for six hours before emerging into the [[Sea of Cortez]], still at hurricane strength<ref name="11E Discussion 22">{{cite web|author=Brown|date=[[2007-09-04]]|title=Tropical Depression 11-E Discussion Twenty-Two|publisher=National Hurricane Center|accessdate=2007-09-06|url=http://www.nhc.noaa.gov/archive/2007/ep11/ep112007.discus.022.shtml?}}</ref>. The next day it made final landfall near [[Guaymas]] in the state of [[Sonora]]<ref name="11E Discussion 26">{{cite web|author=Brown|date=[[2007-09-05]]|title=Tropical Depression 11-E Discussion Twenty-Six|publisher=National Hurricane Center|accessdate=2007-09-06|url=http://www.nhc.noaa.gov/archive/2007/ep11/ep112007.discus.026.shtml?}}</ref>, and dissipated soon after.

Revision as of 09:46, 16 October 2007

Hurricane Henriette
Category 1 hurricane (SSHWS/NWS)
Henriette near the southern tip of the Baja California Peninsula
FormedAugust 30, 2007
DissipatedSeptember 6, 2007
Highest winds1-minute sustained: 85 mph (140 km/h)
Lowest pressure972 mbar (hPa); 28.7 inHg
Fatalities9 direct
Areas affectedSouthwest United States, Southwestern and northwestern Mexico, including the Baja California Peninsula
Part of the 2007 Pacific hurricane season
For other storms of the same name, see Tropical Storm Henriette.

Hurricane Henriette was the eleventh tropical cyclone, eighth named storm and third hurricane of the 2007 Pacific hurricane season. It formed from an area of disturbed weather on August 30 and became a tropical storm the next day. It remained near the Mexican coast, making two landfalls. Nine people died as a result of Henriette.

Storm history

Map plotting the storm's track and intensity, according to the Saffir–Simpson scale
Map key
Saffir–Simpson scale
  Tropical depression (≤38 mph, ≤62 km/h)
  Tropical storm (39–73 mph, 63–118 km/h)
  Category 1 (74–95 mph, 119–153 km/h)
  Category 2 (96–110 mph, 154–177 km/h)
  Category 3 (111–129 mph, 178–208 km/h)
  Category 4 (130–156 mph, 209–251 km/h)
  Category 5 (≥157 mph, ≥252 km/h)
  Unknown
Storm type
triangle Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

Henriette originated from a tropical wave that moved off the coast of central America on August 28. Early on August 30, 2007, the area of low pressure, now 600 kilometers (400 miles) southsoutheast of Acapulco, Mexico started to gain clusters of strong convection. By the afternoon of August 30 the system continued to show strong convection and had developed a broad but well defined area of low to mid level cyclonic turning.[1]

At 1800 UTC UTC, the area of disturbed weather was designated as Tropical Depression Eleven-E. Convection continued, but the cyclone encountered extensive easterly to north-easterly wind shear which stinted the strengthening of the storm through out its life. [2] The depression moved north west, parallel with the west coast of Mexico, due a mid and upper-level steering ridge.

On August 31, it strengthened to become Tropical Storm Henriette[3], as it continued to move along the Mexican coast, bringing heavy rains. Henriette continued to strengthen due to low wind shear and high SSTs, and NHC forecasts indicated that Henriette would become a hurricane. However, despite favorable conditions, Henriette remained a tropical storm. This is believed a result of its close proximity to land and colder waters brought to the surface by Henriette's slow movement. It maintained its strength as it moved away from Jalisco towards Baja California, and reached hurricane strength on September 4 as conditions become more favorable for development. The hurricane reached its peak intensity of 75 kt that morning while centered about 75 NM south-southeast of Cabo San Lucas.

Hurricane Henriette made landfall on the tip of the Baja California peninsula near San José del Cabo on September 4[4]. It remained over land for six hours before emerging into the Sea of Cortez, still at hurricane strength[5]. The next day it made final landfall near Guaymas in the state of Sonora[6], and dissipated soon after.

Preparations

Parts of the Mexican coast were placed in tropical storm watches or warnings starting on August 30.

According to forecaster Rhome of the National Hurricane Center, watches or warnings may be required starting late on September 2.[7]

Impact

Henriette as a tropical storm

Henriette brought heavy rain to the area around Acapulco. Those rains caused a mudslide that has killed six people. Three were killed by a huge rock hitting their house, and the other three were killed when their dwelling partially collapsed.[8]

In Baja California Sur, the threat of the hurricane prompted the evacuations of about 300 people.[9] Two fishermen were reported killed off the Sonora coast.[10]

See also

Wikimedia Commons has media related to Seddon/SandboxHenriette2007.

Template:Tcportal

References

  1. ^ CHRISTENSEN (2007-08-30). "Tropical Weather Discussion". National Hurricane Center. Retrieved 2007-08-30. {{cite web}}: Check date values in: |date= (help)
  2. ^ Cangiolosi (2007-08-30). "Tropical Weather Discussion". National Hurricane Center. Retrieved 2007-08-31. {{cite web}}: Check date values in: |date= (help)
  3. ^ Avila (2007-08-31). "Tropical Depression 11-E Discussion Four". National Hurricane Center. Retrieved 2007-08-31. {{cite web}}: Check date values in: |date= (help)
  4. ^ Rhome (2007-09-04). "Tropical Depression 11-E Discussion Twenty-One". National Hurricane Center. Retrieved 2007-09-06. {{cite web}}: Check date values in: |date= (help)
  5. ^ Brown (2007-09-04). "Tropical Depression 11-E Discussion Twenty-Two". National Hurricane Center. Retrieved 2007-09-06. {{cite web}}: Check date values in: |date= (help)
  6. ^ Brown (2007-09-05). "Tropical Depression 11-E Discussion Twenty-Six". National Hurricane Center. Retrieved 2007-09-06. {{cite web}}: Check date values in: |date= (help)
  7. ^ Rhome (2007-09-02). "Tropical Storm HENRIETTE Forecast Discussion Number 13". National Hurricane Center. Retrieved 2007-09-02.
  8. ^ Gerardo Torres (2007-09-01). "Tropical storm Henriette kills 6 in Mexico resort". Washington Post. Reuters. Retrieved 2007-09-02.
  9. ^ http://www.forbes.com/afxnewslimited/feeds/afx/2007/09/04/afx4079360.html
  10. ^ http://news.yahoo.com/s/nm/20070906/wl_nm/storm_henriette_dc_2

External links

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