National Weather Service Raw Text Product

910 
WTPZ31 KNHC 251449
TCPEP1
BULLETIN
TROPICAL STORM NORA ADVISORY NUMBER  37
NATIONAL WEATHER SERVICE MIAMI FL
8 AM PDT THU SEP 25 1997
 
...NORA AND ITS HEAVIEST RAINS CENTERED OVER NORTHWESTERN GULF OF
CALIFORNIA...

AT 8 AM PDT...1500Z...THE GOVERNMENT OF MEXICO HAS REVISED THEIR
WATCHES AND WARNINGS.  A TROPICAL STORM WARNING IS NOW IN EFFECT FOR
THE GULF OF CALIFORNIA COAST NORTH OF 30N LATITUDE.  ALL OTHER
WATCHES AND WARNINGS ARE DISCONTINUED.  WINDS AND SEAS IN THE
PREVIOUSLY WARNED AREAS WILL GRADUALLY SUBSIDE.
 
AT 8 AM PDT...1500Z...THE CENTER OF TROPICAL STORM NORA WAS LOCATED
NEAR LATITUDE 30.5 NORTH...LONGITUDE 114.6 WEST OR ABOUT 80 MILES...
130 KM...SOUTHWEST OF PUERTO PENASCO MEXICO.  THIS POSITION IS ALSO
ABOUT 150 MILES TO THE SOUTH OF YUMA ARIZONA.
 
NORA IS MOVING TOWARD THE NORTH NEAR 24 MPH...39 KM/HR.  A GRADUAL
TURN TOWARD THE NORTH-NORTHEAST IS EXPECTED DURING THE NEXT 12 TO 24
HOURS.  ON THIS TRACK...THE CENTER OF NORA WILL LIKELY MOVE INTO
NORTHERN SONORA MEXICO AND THEN INTO SOUTHWESTERN ARIZONA LATER
TODAY.
 
MAXIMUM SUSTAINED WINDS ARE NEAR  70 MPH...110 KM/HR...WITH HIGHER
GUSTS MAINLY TO THE EAST OF THE CENTER.  ESPECIALLY STRONG GUSTS ARE
LIKELY OVER HIGH TERRAIN.  RAPID WEAKENING IS LIKELY AFTER LANDFALL.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 145 MILES...230 KM
FROM THE CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS  987 MB...29.15 INCHES.
 
A STORM SURGE OF 3 TO 5 FEET ABOVE NORMAL TIDE LEVELS CAN BE
EXPECTED IN THE WARNED AREA...ACCOMPANIED DANGEROUS BATTERING WAVES.
 
RAINFALL TOTALS OF 2 TO 5 INCHES...WITH ISOLATED AMOUNTS NEAR 10
INCHES ARE POSSIBLE IN ASSOCIATION WITH NORA.  THE NATIONAL WEATHER
SERVICE DOPPLER RADAR AT YUMA SHOWS LOCAL RAINFALL ACCUMULATIONS OF
10 INCHES NEAR THE GULF OF CALIFORNIA SHORELINE OF NORTHERN BAJA
CALIFORNIA.  HEAVIEST RAINS ARE LOCATED NEAR AND TO THE EAST OF THE
CENTER. THIS ACTIVITY WILL CONTINUE TO SPREAD NORTHWARD...AND COULD
CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES.

AN ISOLATED TORNADO OR TWO IS POSSIBLE LATER TODAY OVER SOUTHWESTERN
AND SOUTH-CENTRAL ARIZONA.
 
REPEATING THE 8 AM PDT POSITION...30.5 N...114.6 W.  MOVEMENT
TOWARD...NORTH NEAR 24 MPH.  MAXIMUM SUSTAINED WINDS... 70 MPH. 
MINIMUM CENTRAL PRESSURE... 987 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 11 AM PDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 2 PM
PDT.
 
RAPPAPORT