Alert archive / South Carolina / Gale Warnings in 2020
Gale Warning 7, NWS Charleston, SC
NWS Charleston, SC issued this gale warning at Apr 19, 2020, 3:50 PM EDT. It took effect at Apr 20, 2020, 6:00 AM EDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 19, 2020, 3:50 PM EDT (19:50 UTC)
- In effect from
- Apr 20, 2020, 6:00 AM EDT
- Expired
- Apr 20, 2020, 2:00 PM EDT
- In force
- 8 hr
- Issued by
- NWS Charleston, SC
The text
As transmitted.
439 WHUS72 KCHS 191950 MWWCHS URGENT - MARINE WEATHER MESSAGE National Weather Service Charleston SC 350 PM EDT Sun Apr 19 2020 AMZ350-200400- /O.UPG.KCHS.GL.A.0009.200420T0800Z-200420T1800Z/ /O.NEW.KCHS.GL.W.0007.200420T1000Z-200420T1600Z/ Waters from South Santee River to Edisto Beach SC out 20 NM- 350 PM EDT Sun Apr 19 2020 ...GALE WARNING IN EFFECT FROM 6 AM TO NOON EDT MONDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 35 kt and seas 5 to 8 ft expected. * WHERE...South Santee River to Edisto Beach out 20 NM. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ AMZ352-200400- /O.UPG.KCHS.GL.A.0009.200420T0800Z-200420T1800Z/ /O.NEW.KCHS.GL.W.0007.200420T1000Z-200420T1600Z/ Waters from Edisto Beach SC to Savannah GA out 20 NM- 350 PM EDT Sun Apr 19 2020 ...GALE WARNING IN EFFECT FROM 6 AM TO NOON EDT MONDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 35 kt and seas 3 to 6 ft expected. * WHERE...Edisto Beach to Savannah out 20 NM. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ AMZ374-200400- /O.UPG.KCHS.GL.A.0009.200420T0800Z-200420T1800Z/ /O.NEW.KCHS.GL.W.0007.200420T1000Z-200420T1600Z/ Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 350 PM EDT Sun Apr 19 2020 ...GALE WARNING IN EFFECT FROM 6 AM TO NOON EDT MONDAY... * WHAT...Southwest winds 25 to 30 kt with gusts up to 40 kt and seas 5 to 8 ft expected. * WHERE...Savannah to Altamaha Sound from 20 to 60 NM. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ AMZ354-200400- /O.UPG.KCHS.GL.A.0009.200420T0800Z-200420T1800Z/ /O.EXB.KCHS.SC.Y.0037.200420T1000Z-200420T1600Z/ Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 350 PM EDT Sun Apr 19 2020 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM TO NOON EDT MONDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 ft expected. * WHERE...Savannah to Altamaha Sound out 20 NM. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ330-200400- /O.EXT.KCHS.SC.Y.0037.200420T1000Z-200420T1600Z/ Charleston Harbor- 350 PM EDT Sun Apr 19 2020 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 6 AM TO NOON EDT MONDAY... * WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 2 feet expected. * WHERE...Charleston Harbor. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
5 follow-up statements
205 WHUS72 KCHS 192206 MWWCHS URGENT - MARINE WEATHER MESSAGE National Weather Service Charleston SC 606 PM EDT Sun Apr 19 2020 AMZ350-200615- /O.CON.KCHS.GL.W.0007.200420T1000Z-200420T1600Z/ Waters from South Santee River to Edisto Beach SC out 20 NM- 606 PM EDT Sun Apr 19 2020 ...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO NOON EDT MONDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 35 kt and seas 5 to 8 ft expected. * WHERE...South Santee River to Edisto Beach out 20 NM. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ AMZ352-200615- /O.CON.KCHS.GL.W.0007.200420T1000Z-200420T1600Z/ Waters from Edisto Beach SC to Savannah GA out 20 NM- 606 PM EDT Sun Apr 19 2020 ...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO NOON EDT MONDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 35 kt and seas 3 to 6 ft expected. * WHERE...Edisto Beach to Savannah out 20 NM. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ AMZ374-200615- /O.CON.KCHS.GL.W.0007.200420T1000Z-200420T1600Z/ Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 606 PM EDT Sun Apr 19 2020 ...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO NOON EDT MONDAY... * WHAT...Southwest winds 25 to 30 kt with gusts up to 40 kt and seas 5 to 8 ft expected. * WHERE...Savannah to Altamaha Sound from 20 to 60 NM. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ AMZ330-200615- /O.CON.KCHS.SC.Y.0037.200420T1000Z-200420T1600Z/ Charleston Harbor- 606 PM EDT Sun Apr 19 2020 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TO NOON EDT MONDAY... * WHAT...Southwest winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 2 feet expected. * WHERE...Charleston Harbor. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ354-200615- /O.CON.KCHS.SC.Y.0037.200420T1000Z-200420T1600Z/ Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 606 PM EDT Sun Apr 19 2020 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TO NOON EDT MONDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 ft expected. * WHERE...Savannah to Altamaha Sound out 20 NM. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
658 WHUS72 KCHS 200047 MWWCHS URGENT - MARINE WEATHER MESSAGE National Weather Service Charleston SC 847 PM EDT Sun Apr 19 2020 AMZ350-200900- /O.CON.KCHS.GL.W.0007.200420T1000Z-200420T1600Z/ Waters from South Santee River to Edisto Beach SC out 20 NM- 847 PM EDT Sun Apr 19 2020 ...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO NOON EDT MONDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 35 kt and seas 5 to 8 ft expected. * WHERE...South Santee River to Edisto Beach out 20 NM. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ AMZ352-200900- /O.CON.KCHS.GL.W.0007.200420T1000Z-200420T1600Z/ Waters from Edisto Beach SC to Savannah GA out 20 NM- 847 PM EDT Sun Apr 19 2020 ...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO NOON EDT MONDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 35 kt and seas 3 to 6 ft expected. * WHERE...Edisto Beach to Savannah out 20 NM. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ AMZ374-200900- /O.CON.KCHS.GL.W.0007.200420T1000Z-200420T1600Z/ Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 847 PM EDT Sun Apr 19 2020 ...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO NOON EDT MONDAY... * WHAT...Southwest winds 25 to 30 kt with gusts up to 40 kt and seas 5 to 8 ft expected. * WHERE...Savannah to Altamaha Sound from 20 to 60 NM. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ AMZ330-200900- /O.CON.KCHS.SC.Y.0037.200420T1000Z-200420T1600Z/ Charleston Harbor- 847 PM EDT Sun Apr 19 2020 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TO NOON EDT MONDAY... * WHAT...Southwest winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 2 feet expected. * WHERE...Charleston Harbor. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ354-200900- /O.CON.KCHS.SC.Y.0037.200420T1000Z-200420T1600Z/ Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 847 PM EDT Sun Apr 19 2020 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TO NOON EDT MONDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 ft expected. * WHERE...Savannah to Altamaha Sound out 20 NM. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
346 WHUS72 KCHS 200718 MWWCHS URGENT - MARINE WEATHER MESSAGE National Weather Service Charleston SC 318 AM EDT Mon Apr 20 2020 AMZ350-201530- /O.CON.KCHS.GL.W.0007.200420T1000Z-200420T1600Z/ Waters from South Santee River to Edisto Beach SC out 20 NM- 318 AM EDT Mon Apr 20 2020 ...GALE WARNING REMAINS IN EFFECT UNTIL NOON EDT TODAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 35 kt and seas 5 to 8 ft expected. * WHERE...South Santee River to Edisto Beach out 20 NM. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ AMZ352-201530- /O.CON.KCHS.GL.W.0007.200420T1000Z-200420T1600Z/ Waters from Edisto Beach SC to Savannah GA out 20 NM- 318 AM EDT Mon Apr 20 2020 ...GALE WARNING REMAINS IN EFFECT UNTIL NOON EDT TODAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 35 kt and seas 3 to 6 ft expected. * WHERE...Edisto Beach to Savannah out 20 NM. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ AMZ374-201530- /O.CON.KCHS.GL.W.0007.200420T1000Z-200420T1600Z/ Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 318 AM EDT Mon Apr 20 2020 ...GALE WARNING REMAINS IN EFFECT UNTIL NOON EDT TODAY... * WHAT...Southwest winds 25 to 30 kt with gusts up to 40 kt and seas 5 to 8 ft expected. * WHERE...Savannah to Altamaha Sound from 20 to 60 NM. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ AMZ330-201530- /O.CON.KCHS.SC.Y.0037.200420T1000Z-200420T1600Z/ Charleston Harbor- 318 AM EDT Mon Apr 20 2020 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TODAY... * WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 2 feet expected. * WHERE...Charleston Harbor. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ354-201530- /O.CON.KCHS.SC.Y.0037.200420T1000Z-200420T1600Z/ Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 318 AM EDT Mon Apr 20 2020 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TODAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and seas 3 to 5 ft expected. * WHERE...Savannah to Altamaha Sound out 20 NM. * WHEN...From 6 AM to noon EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
100 WHUS72 KCHS 201453 MWWCHS URGENT - MARINE WEATHER MESSAGE National Weather Service Charleston SC 1053 AM EDT Mon Apr 20 2020 AMZ350-201800- /O.EXT.KCHS.GL.W.0007.000000T0000Z-200420T1800Z/ Waters from South Santee River to Edisto Beach SC out 20 NM- 1053 AM EDT Mon Apr 20 2020 ...GALE WARNING NOW IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...West winds 15 to 25 kt with gusts up to 35 kt and seas 3 to 6 ft. * WHERE...South Santee River to Edisto Beach out 20 NM. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ AMZ352-201800- /O.EXT.KCHS.GL.W.0007.000000T0000Z-200420T1800Z/ Waters from Edisto Beach SC to Savannah GA out 20 NM- 1053 AM EDT Mon Apr 20 2020 ...GALE WARNING NOW IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...West winds 15 to 25 kt with gusts up to 35 kt and seas 3 to 5 ft. * WHERE...Edisto Beach to Savannah out 20 NM. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ AMZ374-201800- /O.EXT.KCHS.GL.W.0007.000000T0000Z-200420T1800Z/ Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 1053 AM EDT Mon Apr 20 2020 ...GALE WARNING NOW IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...West winds 20 to 25 kt with gusts up to 35 kt and seas 5 to 7 ft. * WHERE...Savannah to Altamaha Sound from 20 to 60 NM. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ AMZ330-201800- /O.EXT.KCHS.SC.Y.0037.000000T0000Z-200420T1800Z/ Charleston Harbor- 1053 AM EDT Mon Apr 20 2020 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...West winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 2 feet. * WHERE...Charleston Harbor. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ354-201800- /O.EXT.KCHS.SC.Y.0037.000000T0000Z-200420T1800Z/ Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 1053 AM EDT Mon Apr 20 2020 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...West winds 15 to 20 kt with gusts up to 25 kt. * WHERE...Savannah to Altamaha Sound out 20 NM. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
764 WHUS72 KCHS 201734 MWWCHS URGENT - MARINE WEATHER MESSAGE National Weather Service Charleston SC 134 PM EDT Mon Apr 20 2020 AMZ350-210000- /O.EXP.KCHS.GL.W.0007.000000T0000Z-200420T1800Z/ /O.EXB.KCHS.SC.Y.0037.200420T1800Z-200421T0000Z/ Waters from South Santee River to Edisto Beach SC out 20 NM- 134 PM EDT Mon Apr 20 2020 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...GALE WARNING WILL EXPIRE AT 2 PM EDT THIS AFTERNOON... * WHAT...Northwest winds 20 to 25 kt with gusts up to 30 kt and seas 4 to 6 ft expected. * WHERE...South Santee River to Edisto Beach out 20 NM. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ352-202100- /O.EXP.KCHS.GL.W.0007.000000T0000Z-200420T1800Z/ /O.EXB.KCHS.SC.Y.0037.200420T1800Z-200420T2100Z/ Waters from Edisto Beach SC to Savannah GA out 20 NM- 134 PM EDT Mon Apr 20 2020 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... ...GALE WARNING WILL EXPIRE AT 2 PM EDT THIS AFTERNOON... * WHAT...Northwest winds 20 to 25 with gusts up to 30 kt expected and seas 3 to 5 ft expected. * WHERE...Edisto Beach to Savannah out 20 NM. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ374-210000- /O.EXP.KCHS.GL.W.0007.000000T0000Z-200420T1800Z/ /O.EXB.KCHS.SC.Y.0037.200420T1800Z-200421T0000Z/ Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 134 PM EDT Mon Apr 20 2020 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...GALE WARNING WILL EXPIRE AT 2 PM EDT THIS AFTERNOON... * WHAT...Northwest winds 20 to 25 kt with gusts up to 30 kt and seas 4 to 6 ft expected. * WHERE...Savannah to Altamaha Sound from 20 to 60 NM. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ330-202100- /O.EXT.KCHS.SC.Y.0037.000000T0000Z-200420T2100Z/ Charleston Harbor- 134 PM EDT Mon Apr 20 2020 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Northwest winds 20 to 25 kt with gusts up to 30 kt and waves 1 to 2 feet. * WHERE...Charleston Harbor. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ AMZ354-202100- /O.EXT.KCHS.SC.Y.0037.000000T0000Z-200420T2100Z/ Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- 134 PM EDT Mon Apr 20 2020 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...West winds 15 to 20 kt with gusts up to 25 kt. * WHERE...Savannah to Altamaha Sound out 20 NM. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
What forecasters said that day
The local office's own words before this gale warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Charleston, SC wrote its last area forecast discussion before this gale warning went out at Apr 19, 2:09 PM EDT, 1 hour 41 minutes earlier.
Area forecast discussion, Apr 19, 2:09 PM EDT, 1 hour 41 minutes before
Area Forecast Discussion
National Weather Service Charleston SC
209 PM EDT Sun Apr 19 2020
.SYNOPSIS...
A warm front will lift north through the area today and tonight
ahead of a strong storm system. A cold front will push offshore
Monday morning with high pressure prevailing through Wednesday
before another storm system impacts the area Thursday and
Thursday night. Yet another storm system could affect the area
over the weekend.
&&
.NEAR TERM /THROUGH TONIGHT/...
Early this afternoon: As expected, widespread rain with embedded
thunderstorms has spread across the entire forecast area. The
embedded thunderstorms have primarily been confined to the
southern half of the area, mainly along the Savannah River back
across southeast Georgia. These storms haven't been terribly
organized so far, but have produced some wind damage. Overall,
no significant change to the severe weather thinking this
afternoon. Previous discussion continues below.
Late this morning: A very complex synoptic scenario will unfold
today through tonight, bringing the potential for significant
severe weather and very heavy rainfall. Aloft, a potent mid and
upper level shortwave will translate eastward across the
Southern Plains today. Overnight, this trough is progged to
amplify and swing across the Deep South and into the southeast
coastal states. At the surface, analysis shows a nearly
stationary front stretching from around the mouth of the
Altamaha River back to the west just inland of the Gulf Coast. A
series of surface waves are expected to develop along this front
this afternoon and evening as it lifts north, before a primary
surface low organizes along it and moves northeastward into
central Georgia and the Carolinas late tonight. Precipitation
chances are basically 100 percent for the entire forecast area,
when looking at the entire time period as a whole. The first
round of showers and thunderstorms is starting to enter interior
southeast Georgia at this moment, coincident with an area of
elevated instability well north of the warm front. This aligns
nicely with an area of steep mid-level lapse rates, and the SPC
Mesoanalysis max 2-6 km AGL lapse rate parameter shows a large
area of 8 poised to spread across the forecast area through the
rest of the morning and into the afternoon. Surface
destabilization is expected to take place this afternoon across
mainly southeast Georgia and this should be where the first
potential severe weather could occur. From this afternoon into
the evening and overnight, the overall picture is quite messy
owing to the initial rounds of convection potentially disrupting
the near storm environment. This will make assessing the severe
threat quite challenging this evening and through the overnight
and it is unclear what the state of the main squall line will be
when it is expected to arrive late tonight.
Severe weather: The initial area of concern for severe
thunderstorms will be southeast Georgia this afternoon. Some
surface destabilization should take place with models indicating
some pockets of MLCAPE increasing into the 1,000-1,500 J/kg
range. This will occur in the vicinity of the warm front and
veering low-level wind profiles will be present. Effective SRH
could increase into the 200-400 m2/s2 range, and we will likely
see some discrete supercell-type elements. The limiting factors
are the degree of instability and the overall magnitude of the
wind field. The main threat area for the afternoon hours will
be southeast Georgia, especially along and south of the I-16
corridor. Damaging winds, large hail, and perhaps even a tornado
will be possible. This evening, the threat becomes a bit
muddled. While the wind field (and resulting shear and helicity)
will steadily strengthen, it is unclear what surface instability
will be available. Most of the forecast area will have already
been worked over by earlier convection, potentially stabilizing
the near surface layer. While we can't discount thunderstorms
being severe, it is certainly difficult to see anything
organized from the late evening into the early morning hours.
Finally, the next threat time period will be from around roughly
4 am through mid-morning Monday. Models are insistent that there
will be a strong recovery of the warm sector with some solutions
showing 1,500-2,000 J/kg of CAPE surging northward ahead of the
main convective line. This would be positioned with 70+ knots of
deep layer shear, effective SRH of 400-600 m2/s2, and a
resulting Significant Tornado Parameter of 9+. There is some
concern that the earlier convection will disrupt this
environment, but it is certainly impossible to ignore such
parameters. If this environment does come to fruition we will
again see the potential for a nighttime significant tornado
(EF-2+) event starting around 4 am and continuing through about
9-10 am.
Heavy rain: Widespread heavy rain will occur across the entire
forecast area through tonight. Convection will bring intense
rainfall rates across the area and we will have to monitor for
potential flooding. Rainfall amounts of 2-4 inches are expected,
with locally higher amounts possible. We will also have to
entertain the need for a Flash Flood Watch for at least portions
of the area.
&&
.SHORT TERM /MONDAY THROUGH WEDNESDAY/...
High confidence this period. A potentially severe line of
storms will likely push offshore Monday morning ahead of a cold
front as strengthening surface low pressure quickly moves from
the SC Midlands northeast to the NC Outer Banks early in the
afternoon. However, confidence is low regarding the timing and
intensity of this line, which may end up being quicker and
coming through prior to daybreak. Most of the rain should fall
around the SC Lowcountry closer to the best juxtaposition of
moisture and upper forcing. Otherwise, some trailing moisture
and upper forcing could lead to a few showers continuing into
Monday afternoon, especially northern portions of the SC
Lowcountry. There is even an outside chance of a shower Monday
night as additional shortwave energy moves through. A dry cold
front will then move through Tuesday night as high pressure
builds from the northwest, then quickly pushes offshore
Wednesday. High temperatures should be near to below normal
Monday, near to above normal Tuesday and then below normal
Wednesday while low temperatures stay near to above normal
through the period.
Lake Winds...Winds could briefly surge up to marginal Advisory
levels Monday morning but confidence remains low given the
uncertainty regarding timing of showers/thunderstorms.
&&
.LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/...
High confidence into Wednesday night with low confidence
thereafter. Another potent storm system is likely to move
through the region with at least a small risk for some severe
storms, mainly Thursday afternoon/evening. Drier conditions
should then return by Friday, with another storm system possibly
affecting the area over the weekend. Temperatures should mostly
be near to above normal.
&&
.AVIATION /18Z SUNDAY THROUGH FRIDAY/...
The rain at KCHS will continue for the next several hours, and
the expectation is for thunderstorms to mainly stay south of the
terminal. Late this afternoon and into the evening, the
potential for thunderstorms will increase and the forecast
introduces a TEMPO starting at 21z. The forecast is very complex
this evening and into the early morning hours, and
thunderstorms will be possible for much of this time. Putting
this into the TAF is rather challenging, and amendments will
almost certainly be required. The main line of thunderstorms is
still expected to arrive closer to sunrise Monday. Another TEMPO
has been included to account for IFR conditions and gusty
winds. The threat for thunderstorms should end by mid morning.
At KSAV, showers with some embedded thunderstorms will continue
this afternoon and through the evening hours. The forecast
contains a TEMPO from 19-22z for IFR conditions. Thunderstorms
will be possible at almost any time through the evening and
early morning hours, making it challenging to reflect in the
TAF. MVFR to IFR ceilings are expected to prevail regardless
through the early morning hours. The main line of thunderstorms
is still forecast to arrive closer to sunrise Monday and a
TEMPO indicates the potential for IFR conditions with gusty
winds. The threat for thunderstorms should end by mid morning.
Extended Aviation Outlook: Conditions should return to VFR by
Mon afternoon with diminishing winds. Restrictions likely
return as early as late Wednesday night but most likely Thursday
and Thursday night as another storm system impacts the area
with strong winds and possibly more severe storms.
&&
.MARINE...
Today and tonight: A warm front will lift across the marine
zones today. By this afternoon, winds should shift from the SW
and will increase to 10-15 kts. Significant severe weather is
expected across the marine zones this evening and tonight, with
severe wind gusts and possible waterspouts. The pressure
gradient ahead of a developing low pressure will tighten
steadily after midnight. Southwest winds across the nearshore
and outer waters may strengthen to Gales, highlight with a Gale
Watch beginning at 4 AM. The Charleston Harbor will likely see
Small Craft Advisory conditions by 4 AM.
Monday through Friday: Moderate to high confidence this period.
Conditions will go downhill through Monday morning as the
pressure gradient increases ahead of an approaching cold front.
A strong line of storms could push through the area near or just
after daybreak with the potential for 50+ knot winds and/or
waterspouts. For now we have raised a Gale Watch for all waters
except Charleston Harbor where a Small Craft Advisory is in
effect. Looks like the best chance for gale force gusts will be
farther north and east over the warmer Gulf Stream waters.
Conditions will improve quickly later Monday as winds turn
offshore and diminish. Thereafter there are no significant
concerns through Wednesday night despite a minor surge Tuesday
night into Wednesday behind a dry cold front. More Small Craft
Advisory/possible Gale conditions are expected Thursday into
Friday as yet another potent storm system affects the area.
&&
.CHS WATCHES/WARNINGS/ADVISORIES...
GA...None.
SC...None.
MARINE...Small Craft Advisory from 4 AM to 5 PM EDT Monday for AMZ330.
Gale Watch from late tonight through Monday afternoon for
AMZ350-352-354-374.
&&
NEAR TERM...BSH
SHORT TERM...RJB
LONG TERM...RJB
AVIATION...BSH/RJB
MARINE...NED/RJBHazardous weather outlook, Apr 19, 5:27 AM EDT, 10 hours 23 minutes before
Hazardous Weather Outlook National Weather Service Charleston SC 527 AM EDT Sun Apr 19 2020 GAZ087-088-SCZ040-042>045-047>052-200930- Jenkins-Screven-Allendale-Hampton-Inland Colleton-Dorchester- Inland Berkeley-Inland Jasper-Beaufort-Coastal Colleton-Charleston- Coastal Jasper-Tidal Berkeley- 527 AM EDT Sun Apr 19 2020 This Hazardous Weather Outlook is for southeast Georgia and southeast South Carolina. .DAY ONE...Today and tonight. Severe Thunderstorms: Severe thunderstorms are forecast to develop across the region this evening and tonight. Damaging winds in excess of 70 mph and tornadoes will be possible. A few strong tornadoes could also occur. Heavy rainfall of 2 to 4 inches may also result in areas of minor flooding, especially in low-lying and poor drainage areas. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Severe Thunderstorms: Another round of severe thunderstorms will be possible Thursday. .SPOTTER INFORMATION STATEMENT... Spotter assistance is not anticipated at this time. AMZ350-352-200930- Waters from South Santee River to Edisto Beach SC out 20 NM- Waters from Edisto Beach SC to Savannah GA out 20 NM- 527 AM EDT Sun Apr 19 2020 ...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... This Hazardous Weather Outlook is for Atlantic coastal waters. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Gale Watch. Severe Thunderstorms: Severe thunderstorms are forecast to develop across the region this evening and tonight. Damaging winds in excess of 60 kt and waterspouts will be possible. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Gale Watch. Severe Thunderstorms: Another round of severe thunderstorms will be possible Thursday. .SPOTTER INFORMATION STATEMENT... Spotter assistance is not anticipated at this time. AMZ330-200930- Charleston Harbor- 527 AM EDT Sun Apr 19 2020 This Hazardous Weather Outlook is for Atlantic coastal waters. .DAY ONE...Today and tonight. Severe Thunderstorms: Severe thunderstorms are forecast to develop across the region this evening and tonight. Damaging winds in excess of 60 kt and waterspouts will be possible. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Severe Thunderstorms: Another round of severe thunderstorms will be possible Thursday. .SPOTTER INFORMATION STATEMENT... Spotter assistance is not anticipated at this time. GAZ099>101-114>119-137>141-200930- Candler-Bulloch-Effingham-Tattnall-Evans-Inland Bryan-Coastal Bryan- Inland Chatham-Coastal Chatham-Long-Inland Liberty-Coastal Liberty- Inland McIntosh-Coastal McIntosh- 527 AM EDT Sun Apr 19 2020 This Hazardous Weather Outlook is for southeast Georgia. .DAY ONE...Today and tonight. Severe Thunderstorms: Isolated severe thunderstorms could develop across Southeast Georgia this afternoon as a warm front lifts north into the area. The primary hazards will be damaging winds with an isolated tornado possible. Severe thunderstorms are forecast to develop across the region this evening and tonight. Damaging winds in excess of 70 mph and tornadoes will be possible. A few strong tornadoes could also occur. Heavy rainfall of 2 to 4 inches may also result in areas of minor flooding, especially in low-lying and poor drainage areas. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Severe Thunderstorms: Another round of severe thunderstorms will be possible Thursday. .SPOTTER INFORMATION STATEMENT... Spotter assistance is not anticipated at this time. AMZ354-374-200930- Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary- Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM- 527 AM EDT Sun Apr 19 2020 ...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... This Hazardous Weather Outlook is for Atlantic coastal waters. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Gale Watch. Severe Thunderstorms: Isolated severe thunderstorms could develop across Southeast Georgia this afternoon as a warm front lifts north into the area. The primary hazards will be winds in excess of 35 kt with an isolated waterspout possible. Severe thunderstorms are forecast to develop across the region this evening and tonight. Damaging winds in excess of 60 kt and waterspouts will be possible. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Gale Watch. Severe Thunderstorms: Another round of severe thunderstorms will be possible Thursday. .SPOTTER INFORMATION STATEMENT... Spotter assistance is not anticipated at this time.
In the hours before
Special weather statement, Apr 19, 1:10 PM EDT, 2 hours 40 minutes before
Special Weather Statement
National Weather Service Charleston SC
110 PM EDT Sun Apr 19 2020
GAZ099-100-114>116-191745-
Bulloch-Evans-Candler-Tattnall-Inland Bryan-
110 PM EDT Sun Apr 19 2020
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF BRYAN...EVANS...
BULLOCH...CANDLER AND TATTNALL COUNTIES...
At 110 PM EDT, National Weather Service doppler radar indicated
strong thunderstorms along a line extending from near Metter to near
Manassas, and moving east at 60 mph.
HAZARD...strong winds 45 to 55 mph and up to penny sized hail.
IMPACT...Expect minor damage to tree limbs and blowing around of
light, unsecured objects. Minor hail damage to plants,
trees and crops is possible. Damage to windshields is
unlikely.
Some locations in the path of these storms include...
Statesboro, Metter, Pembroke, Brooklet, Pulaski, Register, Nevils and
Georgia Southern. This includes the Statesboro COVID-19 outside
testing site.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so. You can also email your
report to nws.charlestonsc@noaa.gov.
&&
LAT...LON 3250 8163 3216 8161 3218 8209 3241 8210
TIME...MOT...LOC 1710Z 262DEG 52KT 3237 8204 3221 8204Local storm report, Apr 19, 1:39 PM EDT, 2 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
139 PM EDT SUN APR 19 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0108 PM TSTM WND GST 5 ESE FRIPP ISLAND 32.28N 80.41W
04/19/2020 M49 MPH AMZ352 SC BUOY
FRIPP NEARSHORE BUOY MEASURED A WIND GUST OF 43 KNOTS.
&&
EVENT NUMBER CHS2000262Local storm report, Apr 19, 1:52 PM EDT, 1 hour 58 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE CHARLESTON SC
152 PM EDT SUN APR 19 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0100 PM TSTM WND GST 5 ESE FRIPP ISLAND 32.28N 80.41W
04/19/2020 M49 MPH AMZ352 SC BUOY
FRIPP NEARSHORE BUOY MEASURED A WIND GUST OF 43 KNOTS.
&&
CORRECTED EVENT TIME
EVENT NUMBER CHS2000262Local storm report, Apr 19, 2:10 PM EDT, 1 hour 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
210 PM EDT SUN APR 19 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0118 PM TSTM WND DMG 3 S DAISY 32.11N 81.84W
04/19/2020 EVANS GA 911 CALL CENTER
A SMALL TREE WAS REPORTED DOWN AT SUNBURY ROAD AND OLD
HIGHWAY 250.
&&
EVENT NUMBER CHS2000263Local storm report, Apr 19, 2:19 PM EDT, 1 hour 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
219 PM EDT SUN APR 19 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1236 PM TSTM WND DMG 2 N PORT ROYAL 32.41N 80.69W
04/19/2020 BEAUFORT SC 911 CALL CENTER
A 911 CENTER REPORTED THAT A TREE FELL ONTO A POWERLINE
ON CENTER DRIVE WEST.
&&
EVENT NUMBER CHS2000264Local storm report, Apr 19, 2:21 PM EDT, 1 hour 29 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE CHARLESTON SC
221 PM EDT SUN APR 19 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0100 PM MARINE TSTM WIND 5 ESE FRIPP ISLAND 32.28N 80.41W
04/19/2020 M49 MPH AMZ352 SC BUOY
FRIPP NEARSHORE BUOY MEASURED A WIND GUST OF 43 KNOTS.
&&
CORRECTED EVENT
EVENT NUMBER CHS2000262The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 9:39 PM EDT | River Flood Warning | CHS | Hampton, Jasper | 25 days |
| Apr 19, 3:30 AM EDT | Gale Watch | CHS | 12 hr | |
| Apr 19, 3:30 AM EDT | Small Craft Advisory | CHS | 41 hr | |
| Apr 19, 12:20 PM EDT | Special Weather Statement | CHS | Beaufort | 40 min |
| Apr 19, 12:29 PM EDT | Severe Thunderstorm Warning | CHS | Beaufort | 61 min |
| Apr 19, 12:40 PM EDT | Special Marine Warning | CHS | 68 min | |
| Apr 19, 7:26 PM EDT | Flash Flood Watch | CHS | Allendale, Hampton | 11 hr |
| Apr 19, 9:33 AM EDT | River Flood Warning | CHS | Tattnall, Toombs | 16 days |
| Apr 19, 12:52 PM EDT | Special Weather Statement | CHS | Candler, Evans | 23 min |
| Apr 19, 1:10 PM EDT | Special Weather Statement | CHS | Bulloch, Candler | 35 min |
| Apr 19, 1:23 PM EDT | Tornado Warning | CHS | Bryan, Bulloch, Evans | 14 min |
| Apr 19, 6:37 PM EDT | Special Weather Statement | CHS | McIntosh | 53 min |
Nearby
Gale Warnings in South Carolina, 2020Every gale warning in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.