Alert archive / North Carolina / Flood Watches in 2020
Flood Watch 1, NWS Wilmington, NC
NWS Wilmington, NC issued this flood watch at Nov 12, 2020, 3:34 PM EST for 6 counties in North Carolina; Georgetown County, Horry County, South Carolina. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Nov 12, 2020, 3:34 PM EST (20:34 UTC)
- Expired
- Nov 12, 2020, 9:00 PM EST
- In force
- 5 hr
- Issued by
- NWS Wilmington, NC
- Flood severity
- None
Counties Bladen County, NC, Brunswick County, NC, Columbus County, NC, New Hanover County, NC, Pender County, NC, Robeson County, NC, Georgetown County, SC, Horry County, SC
The radar
The Wilmington radar (KLTX), 27 km from the middle of the area, began a volume at 20:38 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Newport, NC (KMHX), launched 12:00Z, 8.6 hours before the alert went out and 168 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 507 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 575 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.9
What forecasters said that day
The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Wilmington, NC wrote its last area forecast discussion before this flood watch went out at Nov 12, 12:39 PM EST, 2 hours 55 minutes earlier.
Area forecast discussion, Nov 12, 12:39 PM EST, 2 hours 55 minutes before
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</html>Hazardous weather outlook, Nov 12, 6:03 AM EST, 9 hours 31 minutes before
Hazardous Weather Outlook National Weather Service Wilmington NC 603 AM EST Thu Nov 12 2020 AMZ250-252-254-256-131115- Coastal waters from Surf City to Cape Fear NC out 20 nm- Coastal waters from Cape Fear NC to Little River Inlet SC out 20 nm- Coastal waters from Little River Inlet to Murrells Inlet SC out 20 nm- Coastal waters from Murrells Inlet to South Santee River SC out 20 nm- 603 AM EST Thu Nov 12 2020 ...GALE WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM EST FRIDAY... This Hazardous Weather Outlook is for the adjacent 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 Warning. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. A Small Craft Advisory could linger into early Friday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NCZ087-096-099-105-106-108>110-SCZ017-023-024-032-033-039-054>056- 058-059-131115- Robeson-Bladen-Columbus-Inland Pender-Coastal Pender- Coastal New Hanover-Inland Brunswick-Coastal Brunswick-Marlboro- Darlington-Dillon-Florence-Marion-Williamsburg-Coastal Horry- Inland Georgetown-Coastal Georgetown-Central Horry-Northern Horry- 603 AM EST Thu Nov 12 2020 ...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT... This Hazardous Weather Outlook is for southeast North Carolina and northeast South Carolina. .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. Flash Flood Watch. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NCZ107-131115- Inland New Hanover- 603 AM EST Thu Nov 12 2020 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 8 AM EST THIS MORNING... ...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT... This Hazardous Weather Outlook is for southeast North Carolina. .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. Flash Flood Watch. Coastal Flood Advisory. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Minor tidal flooding may prevail for several more days along the lower Cape Fear river. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. 8
In the hours before
Special weather statement, Nov 12, 11:27 AM EST, 4 hours 7 minutes before
Special Weather Statement National Weather Service Wilmington NC 1127 AM EST Thu Nov 12 2020 SCZ033-054>056-058-121715- Marion SC-Coastal Georgetown SC-Coastal Horry SC- Inland Georgetown SC-Central Horry SC- 1127 AM EST Thu Nov 12 2020 ...SPECIAL WEATHER STATEMENT FOR CENTRAL GEORGETOWN...SOUTHWESTERN HORRY AND SOUTH CENTRAL MARION COUNTIES UNTIL 1215 PM EST... At 1126 AM EST, Doppler radar was tracking a strong thunderstorm over Oatland, or 8 miles north of Georgetown, moving northeast at 40 mph. Winds in excess of 30 mph will be possible with this storm. Locations impacted include... Georgetown, Socastee, Dongola, Plantersville, Graves, Yauhannah, Bucksville, Oatland, Bucksport and Georgetown Memorial Hospital. PRECAUTIONARY/PREPAREDNESS ACTIONS... Thunderstorms can pose a variety of threats including gusty winds, small hail, cloud to ground lightning, and localized flooding. It is recommended that you remain indoors until the storm passes. Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3347 7952 3384 7923 3371 7899 3332 7928 TIME...MOT...LOC 1626Z 209DEG 34KT 3349 7933 VAO
Special weather statement, Nov 12, 12:16 PM EST, 3 hours 18 minutes before
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</html>Local storm report, Nov 12, 1:36 PM EST, 1 hour 58 minutes before
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</html>Special weather statement, Nov 12, 2:10 PM EST, 1 hour 24 minutes before
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</html>Local storm report, Nov 12, 3:05 PM EST, 29 minutes before
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</html>Local storm report, Nov 12, 3:15 PM EST, 19 minutes before
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</html>The office that day
Everything else NWS Wilmington, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 11, 8:06 PM EST | Areal Flood Advisory | ILM | Robeson | 114 min |
| Nov 11, 8:55 PM EST | River Flood Warning | ILM | Robeson | 21 days |
| Nov 11, 8:55 PM EST | River Flood Warning | ILM | Bladen, Cumberland | 21 days |
| Nov 12, 4:22 AM EST | Coastal Flood Advisory | ILM | New Hanover | 4 hr |
| Nov 12, 5:11 AM EST | Gale Warning | ILM | 22 hr | |
| Nov 12, 11:28 AM EST | River Flood Warning | ILM | Bladen | 21 days |
| Nov 12, 11:28 AM EST | River Flood Warning | ILM | Pender | 21 days |
| Nov 12, 11:40 AM EST | Areal Flood Advisory | ILM | Bladen, Columbus, Robeson | 5 hr |
| Nov 12, 11:54 AM EST | Flash Flood Warning | ILM | Bladen, Robeson | 5 hr |
| Nov 12, 1:07 PM EST | Areal Flood Advisory | ILM | Bladen, Brunswick, Columbus, New Hanover, Pender | 3 hr |
| Nov 12, 2:10 PM EST | Special Weather Statement | ILM | Brunswick, Columbus, New Hanover | 50 min |
| Nov 12, 4:15 PM EST | Areal Flood Advisory | ILM | Bladen, Brunswick, Columbus, New Hanover, Pender | 3 hr |
| Nov 12, 4:16 PM EST | Areal Flood Advisory | ILM | Bladen, Columbus, Robeson | 3 hr |
| Nov 12, 4:47 PM EST | Coastal Flood Advisory | ILM | New Hanover | 4 hr |
| Nov 11, 7:13 PM EST | Areal Flood Advisory | ILM | Darlington, Florence | 71 min |
| Nov 11, 8:55 PM EST | River Flood Warning | ILM | Darlington, Florence | 21 days |
| Nov 11, 9:09 PM EST | Areal Flood Advisory | ILM | Georgetown, Horry, Marion, Williamsburg | 101 min |
| Nov 12, 10:41 AM EST | Areal Flood Advisory | ILM | Darlington, Dillon, Florence, Marion, Marlboro, Williamsburg | 3 hr |
| Nov 12, 11:27 AM EST | Special Weather Statement | ILM | Georgetown | 48 min |
| Nov 12, 11:28 AM EST | River Flood Warning | ILM | Florence, Marion | 21 days |
| Nov 12, 11:28 AM EST | River Flood Warning | ILM | Horry, Marion | 21 days |
| Nov 12, 11:28 AM EST | River Flood Warning | ILM | Horry | 21 days |
| Nov 12, 11:28 AM EST | River Flood Warning | ILM | Williamsburg | 21 days |
| Nov 12, 11:28 AM EST | River Flood Warning | ILM | Dillon, Horry, Marion | 21 days |
| Nov 12, 12:16 PM EST | Special Weather Statement | ILM | Horry | 44 min |
Nearby
Flood Watches in North Carolina, 2020Flood Watches in South Carolina, 2020Every flood watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.