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Remnants of Katia Forecast Discussion Number 16
2017-09-09 16:33:45| National Hurricane Center (Atlantic)
Issued at 1000 AM CDT Sat Sep 09 2017 000 WTNT43 KNHC 091433 TCDAT3 Remnants Of Katia Discussion Number 16 NWS National Hurricane Center Miami FL AL132017 Issued by the NWS Weather Prediction Center College Park MD 1000 AM CDT Sat Sep 09 2017 It is nearly impossible to find a low level circulation center from Katia. Satellite imagery showed the mid-level center separated from the low level center overnight, and the remaining deep convection has all but dissipated leaving behind layered low and mid level clouds. Without evidence to suggest otherwise, the final advisory position is mainly an extrapolation of the previous position. There will still be a threat for heavy rain, flash floods, and mudslides over the mountainous terrain from the trough. Seas associated with remnants of Katia will continue to subside along the coast of Mexico near the landfall point today. FORECAST POSITIONS AND MAX WINDS INIT 09/1500Z 20.0N 97.9W 30 KT 35 MPH 12H 10/0000Z...DISSIPATED $$ Forecaster R Ballard
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Summary for Remnants of Katia (AT3/AL132017)
2017-09-09 16:32:44| National Hurricane Center (Atlantic)
...KATIA DISSIPATES OVER THE TERRAIN OF EASTERN MEXICO BUT THREAT FOR HEAVY RAINFALL CONTINUES... ...THIS IS THE LAST ADVISORY... As of 10:00 AM CDT Sat Sep 9 the center of Katia was located near 20.0, -97.9 with movement WSW at 5 mph. The minimum central pressure was 1004 mb with maximum sustained winds of about 35 mph.
Remnants of Katia Public Advisory Number 16
2017-09-09 16:32:44| National Hurricane Center (Atlantic)
Issued at 1000 AM CDT Sat Sep 09 2017 000 WTNT33 KNHC 091432 TCPAT3 BULLETIN Remnants Of Katia Advisory Number 16 NWS National Hurricane Center Miami FL AL132017 Issued by the NWS Weather Prediction Center College Park MD 1000 AM CDT Sat Sep 09 2017 ...KATIA DISSIPATES OVER THE TERRAIN OF EASTERN MEXICO BUT THREAT FOR HEAVY RAINFALL CONTINUES... ...THIS IS THE LAST ADVISORY... SUMMARY OF 1000 AM CDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...20.0N 97.9W ABOUT 150 MI...245 KM S OF TAMPICO MEXICO ABOUT 125 MI...200 KM WNW OF VERACRUZ MEXICO MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...WSW OR 240 DEGREES AT 5 MPH...7 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: None. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 1000 AM CDT (1500 UTC), the remnants of Katia were located near latitude 20.0 North, longitude 97.9 West. The remnants are moving toward the west-southwest near 5 mph (7 km/h), and this motion is expected to continue for the next day or so. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Gusty winds associated with the remnants of Katia will continue to subside today. The estimated minimum central pressure is 1004 mb (29.65 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: The remnants of Katia are expected to produce additional rainfall accumulations of 3 to 6 inches over central and northern Veracruz, eastern Hidalgo, and northern Puebla through this afternoon. Isolated maximum amounts of 8 inches are possible. This rainfall will continue the risk of life-threatening flash floods and mudslides, especially in areas of mountainous terrain. NEXT ADVISORY ------------- This is the last public advisory issued by the National Hurricane Center on this system. $$ Forecaster R Ballard
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Remnants of Katia Wind Speed Probabilities Number 16
2017-09-09 16:32:44| National Hurricane Center (Atlantic)
Issued at 1500 UTC SAT SEP 09 2017 000 FONT13 KNHC 091432 PWSAT3 REMNANTS OF KATIA WIND SPEED PROBABILITIES NUMBER 16 NWS NATIONAL HURRICANE CENTER MIAMI FL AL132017 ISSUED BY THE NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 1500 UTC SAT SEP 09 2017 AT 1500Z THE REMNANTS OF KATIA WERE LOCATED NEAR LATITUDE 20.0 NORTH ...LONGITUDE 97.9 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 30 KTS...35 MPH...55 KM/H. Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH) ATLANTIC STANDARD TIME (AST)...SUBTRACT 4 HOURS FROM Z TIME EASTERN DAYLIGHT TIME (EDT)...SUBTRACT 4 HOURS FROM Z TIME CENTRAL DAYLIGHT TIME (CDT)...SUBTRACT 5 HOURS FROM Z TIME WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST ...34 KT (39 MPH... 63 KM/H)... ...50 KT (58 MPH... 93 KM/H)... ...64 KT (74 MPH...119 KM/H)... FOR LOCATIONS AND TIME PERIODS DURING THE NEXT 5 DAYS PROBABILITIES FOR LOCATIONS ARE GIVEN AS OP(CP) WHERE OP IS THE PROBABILITY OF THE EVENT BEGINNING DURING AN INDIVIDUAL TIME PERIOD (ONSET PROBABILITY) (CP) IS THE PROBABILITY OF THE EVENT OCCURRING BETWEEN 12Z SAT AND THE FORECAST HOUR (CUMULATIVE PROBABILITY) PROBABILITIES ARE GIVEN IN PERCENT X INDICATES PROBABILITIES LESS THAN 1 PERCENT PROBABILITIES FOR 34 KT AND 50 KT ARE SHOWN AT A GIVEN LOCATION WHEN THE 5-DAY CUMULATIVE PROBABILITY IS AT LEAST 3 PERCENT. PROBABILITIES FOR 34...50...64 KT SHOWN WHEN THE 5-DAY 64-KT CUMULATIVE PROBABILITY IS AT LEAST 1 PERCENT. - - - - WIND SPEED PROBABILITIES FOR SELECTED LOCATIONS - - - - FROM FROM FROM FROM FROM FROM FROM TIME 12Z SAT 00Z SUN 12Z SUN 00Z MON 12Z MON 12Z TUE 12Z WED PERIODS TO TO TO TO TO TO TO 00Z SUN 12Z SUN 00Z MON 12Z MON 12Z TUE 12Z WED 12Z THU FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT ...THERE IS NO OFFICIAL FORECAST FOR THIS DATE/TIME... AND THEREFORE NO WIND SPEED PROBABILITIES CAN BE CALCULATED... $$ FORECASTER R BALLARD
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Remnants of Katia Forecast Advisory Number 16
2017-09-09 16:31:45| National Hurricane Center (Atlantic)
Issued at 1500 UTC SAT SEP 09 2017 000 WTNT23 KNHC 091431 TCMAT3 REMNANTS OF KATIA FORECAST/ADVISORY NUMBER 16 NWS NATIONAL HURRICANE CENTER MIAMI FL AL132017 ISSUED BY THE NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 1500 UTC SAT SEP 09 2017 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... NONE. REMNANTS OF CENTER LOCATED NEAR 20.0N 97.9W AT 09/1500Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE WEST-SOUTHWEST OR 240 DEGREES AT 4 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1004 MB MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 20.0N 97.9W AT 09/1500Z AT 09/1200Z CENTER WAS LOCATED NEAR 20.1N 97.7W FORECAST VALID 10/0000Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.0N 97.9W THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER ON THIS SYSTEM. $$ FORECASTER R BALLARD
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