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Tropical Depression Three Public Advisory Number 1A
2020-06-02 01:35:35| National Hurricane Center (Atlantic)
Issued at 700 PM CDT Mon Jun 01 2020 000 WTNT33 KNHC 012335 TCPAT3 BULLETIN Tropical Depression Three Intermediate Advisory Number 1A NWS National Hurricane Center Miami FL AL032020 700 PM CDT Mon Jun 01 2020 ...DEPRESSION EXPECTED TO STRENGTHEN AND BRING HEAVY RAINFALL TO PORTIONS OF MEXICO... SUMMARY OF 700 PM CDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...19.6N 91.6W ABOUT 70 MI...115 KM WSW OF CAMPECHE MEXICO ABOUT 205 MI...330 KM ENE OF COATZACOALCOS MEXICO MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H PRESENT MOVEMENT...WNW OR 285 DEGREES AT 7 MPH...11 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Campeche to Puerto de Veracruz A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 700 PM CDT (0000 UTC), the center of Tropical Depression Three was located near latitude 19.6 North, longitude 91.6 West. The depression is moving toward the west-northwest near 7 mph (11 km/h). This motion at a slower forward speed is expected tonight. The depression is forecast to turn west-southwestward or southward at a slower forward speed on Tuesday, and meander over the southern Bay of Campeche through late Wednesday. On the forecast track, the center of the cyclone is forecast to be near the coast of the southern Bay of Campeche Tuesday night through Thursday. Maximum sustained winds are near 30 mph (45 km/h) with higher gusts. Gradual strengthening is expected during the next couple of days and the depression is forecast to become a tropical storm tonight or Tuesday. The estimated minimum central pressure is 1005 mb (29.68 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Tropical Depression Three can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT3, WMO header WTNT43 KNHC, and on the web at https://www.hurricanes.gov/text/MIATCDAT3.shtml RAINFALL: Tropical Depression Three is expected to produce rain accumulations of 10 to 15 inches over parts of the Mexican states of Tabasco and Veracruz and adjacent portions of Guatemala. This system is also expected to produce rain accumulations of 5 to 10 inches over parts of El Salvador and Honduras. Isolated maximum rainfall amounts of 20 inches are possible in the Mexican states of Tabasco, Veracruz, Oaxaca and portions of Guatemala. This rainfall may produce life-threatening flash floods and mudslides. WIND: Tropical storm conditions are expected to first reach the coast within the warning area Tuesday night. NEXT ADVISORY ------------- Next complete advisory at 1000 PM CDT. $$ Forecaster Beven
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Tropical Depression Three Graphics
2020-06-01 23:02:35| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Mon, 01 Jun 2020 21:02:35 GMT Wind Speed Probabilities last updated Mon, 01 Jun 2020 21:24:43 GMT
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Tropical Depression Three Forecast Discussion Number 1
2020-06-01 23:01:01| National Hurricane Center (Atlantic)
Issued at 400 PM CDT Mon Jun 01 2020 000 WTNT43 KNHC 012100 TCDAT3 Tropical Depression Three Discussion Number 1 NWS National Hurricane Center Miami FL AL032020 400 PM CDT Mon Jun 01 2020 Recent satellite data and surface observations from Mexico show that the circulation associated with the area of disturbed weather over the Yucatan peninsula has become better defined during the past several hours, and that the center has moved over the eastern portion of the Bay of Campeche. Although the deep convection has waned somewhat, there is evidence of banding in both visible satellite imagery and recent radar data from Sabancuy, Mexico. Based on these data, advisories are being issued on a tropical depression. The initial intensity is set at 25 kt, which is in agreement with earlier ASCAT data. The depression will be moving over the warm waters over the Bay of Campeche and upper-level winds are forecast to be generally conducive for strengthening during the next couple of days. The NHC forecast is in line with much of the intensity guidance and calls for the system to become a tropical storm in 12 to 24 hours, with some additional strengthening predicted through 48 hours while the system remains over the southern Bay of Campeche. After that time, the system's intensity will depend on how much it interacts with land. Although the latest runs of the GFS and ECMWF models take the cyclone inland over southern Mexico, the NHC forecast keeps it just offshore and shows the cyclone maintaining tropical storm strength. Later in the period, the guidance suggests that the system could strengthen over the south-central Gulf of Mexico, but the latter portion of the intensity forecast is of low confidence. The depression is moving west-northwestward or 290/6 kt. The system has been moving cyclonically around a larger gyre over Central America during the past couple of days, and while it remains embedded within the gyre it is forecast to turn west-southwestward, and then southward at a slower forward speed over the next couple of days. On this track, the cyclone is expected to move near the southern Bay of Campeche coast during the next day or two, and confidence it that portion of the track forecast is high. After that time, two distinct scenarios emerges. The first is that the cyclone continues moving southward and weakens or dissipates over the rugged terrain over southern Mexico. The latest runs of the ECMWF and GFS favor that scenario. In this scenario, both models show a new system developing near the south-central Gulf of Mexico from another vorticity center that rotates around the larger gyre. The second scenario, favored by the UKMET and some EC ensemble members, is for the depression to eject north-northeast moving into the central Gulf of Mexico by day 5. The NHC forecast favors the latter, but it is certainly possible that this tropical cyclone will move inland and dissipates and a new cyclone formation occurs later this week. The latter portion of both the track and intensity forecast are of quite low confidence. Key Messages: 1. The depression is expected to bring heavy rainfall to portions of southern Mexico, Guatemala, Honduras and El Salvador, which could cause life-threatening flash flooding and mudslides. Refer to products from your local weather office for more information. 2. Tropical storm conditions are expected along the coast of Mexico where a tropical storm warning is in effect. 3. The system is forecast to begin moving northward across the Gulf of Mexico later this week. However, it is too soon to specify the location and timing of any potential impacts along the U.S. Gulf Coast. Interests in these areas should monitor the progress of this system through the week and ensure they have their hurricane plan in place as we begin the season. FORECAST POSITIONS AND MAX WINDS INIT 01/2100Z 19.6N 91.2W 25 KT 30 MPH 12H 02/0600Z 19.8N 92.3W 30 KT 35 MPH 24H 02/1800Z 19.5N 92.8W 35 KT 40 MPH 36H 03/0600Z 19.2N 93.0W 40 KT 45 MPH 48H 03/1800Z 18.8N 93.2W 45 KT 50 MPH 60H 04/0600Z 18.8N 93.2W 45 KT 50 MPH 72H 04/1800Z 18.8N 93.2W 45 KT 50 MPH 96H 05/1800Z 19.0N 92.8W 45 KT 50 MPH 120H 06/1800Z 23.0N 91.0W 50 KT 60 MPH $$ Forecaster Brown
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Summary for Tropical Depression Three (AT3/AL032020)
2020-06-01 22:51:03| National Hurricane Center (Atlantic)
...TROPICAL DEPRESSION FORMS IN THE BAY OF CAMPECHE... ...EXPECTED TO STRENGTHEN AND BRING HEAVY RAINFALL TO PORTIONS OF MEXICO... As of 4:00 PM CDT Mon Jun 1 the center of Three was located near 19.6, -91.2 with movement WNW at 7 mph. The minimum central pressure was 1007 mb with maximum sustained winds of about 30 mph.
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Tropical Depression Three Public Advisory Number 1
2020-06-01 22:51:03| National Hurricane Center (Atlantic)
Issued at 400 PM CDT Mon Jun 01 2020 000 WTNT33 KNHC 012050 TCPAT3 BULLETIN Tropical Depression Three Advisory Number 1 NWS National Hurricane Center Miami FL AL032020 400 PM CDT Mon Jun 01 2020 ...TROPICAL DEPRESSION FORMS IN THE BAY OF CAMPECHE... ...EXPECTED TO STRENGTHEN AND BRING HEAVY RAINFALL TO PORTIONS OF MEXICO... SUMMARY OF 400 PM CDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...19.6N 91.2W ABOUT 50 MI...80 KM WSW OF CAMPECHE MEXICO ABOUT 230 MI...370 KM ENE OF COATZACOALCOS MEXICO MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 7 MPH...11 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The government of Mexico has issued a Tropical Storm Warning from Campeche westward to Puerto de Veracruz SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Campeche to Puerto de Veracruz A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 400 PM CDT (2100 UTC), the center of Tropical Depression Three was located near latitude 19.6 North, longitude 91.2 West. The depression is moving toward the west-northwest near 7 mph (11 km/h). This motion at a slower forward speed is expected tonight. The depression is forecast to turn west-southwestward or southward at a slower forward speed on Tuesday, and meander over the southern Bay of Campeche through late Wednesday. On the forecast track, the center of the cyclone is forecast to be near the coast of the southern Bay of Campeche Tuesday night through Thursday. Maximum sustained winds are near 30 mph (45 km/h) with higher gusts. Gradual strengthening is expected during the next couple of days and the depression is forecast to become a tropical storm tonight or Tuesday. The estimated minimum central pressure is 1007 mb (29.74 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Tropical Depression Three can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT3 and WMO header WTNT43 KNHC. RAINFALL: Tropical Depression Three is expected to produce rain accumulations of 10 to 15 inches over parts of the Mexican states of Tabasco and Veracruz and adjacent portions of Guatemala. This system is also expected to produce rain accumulations of 5 to 10 inches over parts of El Salvador and Honduras. Isolated maximum rainfall amounts of 20 inches are possible in the Mexican states of Tabasco, Veracruz, Oaxaca and portions of Guatemala. This rainfall may produce life-threatening flash floods and mudslides. WIND: Tropical storm conditions are expected to first reach the coast within the warning area Tuesday night. NEXT ADVISORY ------------- Next intermediate advisory at 700 PM CDT. Next complete advisory at 1000 PM CDT. $$ Forecaster Brown
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