Tropical Storm Helene Forms in Gulf

 Tropical Storm Helene

8th Named Storm in Atlantic 

1000 PM CDT SAT AUG 18 2012
 
...HELENE DEGENERATES INTO A BROAD AREA OF LOW PRESSURE...THIS IS
THE LAST ADVISORY...

The 8th named storm of the 2012 Atlantic Season, Helene, is in the Gulf of Mexico and headed for landfall in Mexico.  It will be the second storm in as many weeks to make landfall.  Tropical storm warnings have been issued for the weekend.This storm formed from the remnants of TD-Seven.

Atlantic Graphical Tropical Weather Outlook

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SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...22.8N 99.1W
ABOUT 85 MI...140 KM WNW OF TAMPICO MEXICO
MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
PRESENT MOVEMENT...NW OR 315 DEGREES AT 3 MPH...6 KM/H
MINIMUM CENTRAL PRESSURE...1009 MB...29.80 INCHES

WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

MAXIMUM SUSTAINED WINDS ARE NEAR 30 MPH...45 KM/H...WITH HIGHER
GUSTS IN A FEW SQUALLS. THE LOW IS FORECAST TO DISSIPATE ON SUNDAY.

HAZARDS AFFECTING LAND
----------------------
RAINFALL...THE LOW IS EXPECTED TO PRODUCE ADDITIONAL RAINFALL
AMOUNTS OF 2 TO 4 INCHES ACROSS NORTHEASTERN PORTIONS OF MEXICO
FROM NORTHERN VERACRUZ INTO SOUTHERN TAMAULIPAS AND EASTERN SAN
LUIS STATES...WITH ISOLATED STORM TOTAL AMOUNTS OF 8 INCHES
POSSIBLE. THESE RAINS COULD PRODUCE LIFE-THREATENING FLASH FLOODS
AND MUD SLIDES OVER MOUNTAINOUS TERRAIN.

Historical Data:   Graphics Archive      Storm Archive 

500 PM AST THU AUG 09 2012
 
...TROPICAL DEPRESSION FORMS IN THE TROPICAL ATLANTIC...

1100 AM AST SAT AUG 11 2012
 
...TROPICAL DEPRESSION DEGENERATES INTO A TROPICAL WAVE...SQUALLY
WEATHER STILL LIKELY ACROSS PORTIONS OF THE LESSER ANTILLES LATER
TODAY AND TONIGHT...

430 PM CDT FRI AUG 17 2012
 
...AIRCRAFT FINDS TROPICAL STORM HELENE...TROPICAL STORM WARNING
ISSUED FOR THE COAST OF MEXICO... 

THE AIR FORCE HURRICANE HUNTER AIRCRAFT INVESTIGATING THE REMNANTS
OF TROPICAL DEPRESSION SEVEN FOUND A WELL-DEFINED CIRCULATION AND
PEAK FLIGHT LEVEL WINDS OF ABOUT 50 KT AND BIAS-CORRECTED SFMR
WINDS OF 38 KT. BASED ON THESE DATA...THE SYSTEM IS NOW UPGRADED TO
TROPICAL STORM HELENE WITH AN INTENSITY OF 40 KT.

700 AM CDT SAT AUG 18 2012
 
...HELENE JUST NORTH OF CABO ROJO...

1000 AM CDT SAT AUG 18 2012
 
...HELENE MOVES INLAND JUST SOUTH OF TAMPICO MEXICO...WEAKENS TO A
TROPICAL DEPRESSION...