Alert archive / South Carolina / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 80, NWS Wilmington, NC
NWS Wilmington, NC issued this severe thunderstorm warning at Jul 16, 2009, 3:44 PM EDT for Dillon County, Marlboro County, South Carolina. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 16, 2009, 3:44 PM EDT (19:44 UTC)
- Expired
- Jul 16, 2009, 4:30 PM EDT
- In force
- 46 min
- Issued by
- NWS Wilmington, NC
- Area
- Storm-based polygon
Counties Dillon County, SC, Marlboro County, SC
The radar
The Wilmington radar (KLTX), 116 km from the middle of the area, began a volume at 19:45 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.7 hours before the alert went out and 179 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
- 462 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 1022 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 16, 2:53 PM EDT, 51 minutes earlier.
Area forecast discussion, Jul 16, 2:53 PM EDT, 51 minutes before
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</html>Hazardous weather outlook, Jul 16, 3:19 AM EDT, 12 hours 25 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE WILMINGTON NC 319 AM EDT THU JUL 16 2009 NCZ087-096-097-099>101-SCZ017-023-024-032>034-039-046-170730- ROBESON-BLADEN-PENDER-COLUMBUS-BRUNSWICK-NEW HANOVER-MARLBORO- DARLINGTON-DILLON-FLORENCE-MARION-HORRY-WILLIAMSBURG-GEORGETOWN- 319 AM EDT THU JUL 16 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NORTH CAROLINA AND NORTHEAST SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .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. AMZ250-252-254-256-170730- SURF CITY TO CAPE FEAR NC OUT 20 NM- CAPE FEAR NC TO LITTLE RIVER INLET SC OUT 20 NM- LITTLE RIVER INLET TO MURRELLS INLET SC OUT 20 NM- MURRELLS INLET TO SOUTH SANTEE RIVER SC OUT 20 NM- 319 AM EDT THU JUL 16 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ADJACENT COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .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.
In the hours before
Special weather statement, Jul 16, 2:32 PM EDT, 1 hour 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON NC 232 PM EDT THU JUL 16 2009 SCZ017-161945- MARLBORO- INCLUDING THE CITY OF...BENNETTSVILLE 232 PM EDT THU JUL 16 2009 ...STRONG THUNDERSTORMS TO AFFECT NORTHERN AND WESTERN MARLBORO COUNTY... THROUGH 330 PM...A CLUSTER OF STRONG THUNDERSTORMS OVER CHESTERFIELD COUNTY WILL MOVE EAST...AFFECTING PORTIONS OF MARLBORO COUNTY NORTH AND WEST OF HIGHWAYS 15 AND 401. TORRENTIAL DOWNPOURS COULD PRODUCE UP TO 2 INCHES OF RAINFALL IN LESS THAN AN HOUR. PONDING OF WATER ON LOW-LYING AND POORLY DRAINED ROADWAYS WILL BE POSSIBLE. THIS STORM WILL ALSO PRODUCE NEARLY CONTINUOUS CLOUD TO GROUND LIGHTING. MOVE INDOORS AS SOON AS THUNDER IS HEARD. RAS
Special weather statement, Jul 16, 2:33 PM EDT, 1 hour 11 minutes before
SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE WILMINGTON NC 233 PM EDT THU JUL 16 2009 SCZ017-162000- MARLBORO- INCLUDING THE CITY OF...BENNETTSVILLE 233 PM EDT THU JUL 16 2009 ...STRONG THUNDERSTORMS TO AFFECT NORTHERN AND WESTERN MARLBORO COUNTY... THROUGH 330 PM...A CLUSTER OF STRONG THUNDERSTORMS OVER CHESTERFIELD COUNTY WILL MOVE EAST...AFFECTING PORTIONS OF MARLBORO COUNTY NORTH AND WEST OF HIGHWAYS 15 AND 401. TORRENTIAL DOWNPOURS COULD PRODUCE UP TO 2 INCHES OF RAINFALL IN LESS THAN AN HOUR. PONDING OF WATER ON LOW-LYING AND POORLY DRAINED ROADWAYS WILL BE POSSIBLE. THIS STORM WILL ALSO PRODUCE NEARLY CONTINUOUS CLOUD TO GROUND LIGHTNING. MOVE INDOORS AS SOON AS THUNDER IS HEARD. RAS
Special weather statement, Jul 16, 3:09 PM EDT, 35 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON NC 309 PM EDT THU JUL 16 2009 NCZ087-SCZ024-162015- ROBESON-DILLON- INCLUDING THE CITIES OF...LUMBERTON...DILLON 309 PM EDT THU JUL 16 2009 ...STRONG THUNDERSTORMS MOVING INTO ROBESON AND DILLON COUNTIES... THROUGH 4 PM...A CLUSTER OF STRONG THUNDERSTORMS WILL SPREAD SOUTHEAST INTO ROBESON AND NORTHWEST DILLON COUNTIES. CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS...AND 40 TO 50 MPH WIND GUSTS ARE ALSO POSSIBLE. TORRENTIAL DOWNPOURS WILL DUMP AS MUCH AS 2 INCHES OF RAIN IN LESS THAN AN HOUR...RESULTING IN PONDING OF WATER ON LOW LYING ROADWAYS. LOCATIONS WEST OF INTERSTATE 95 WILL BE AFFECTED THROUGH 4 PM...WITH THE STRONGEST STORMS REMAINING NORTH OF HIGHWAY 74. RAS
Special weather statement, Jul 16, 3:16 PM EDT, 28 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON NC 316 PM EDT THU JUL 16 2009 SCZ017-023-162115- MARLBORO-DARLINGTON- INCLUDING THE CITIES OF...BENNETTSVILLE...DARLINGTON 316 PM EDT THU JUL 16 2009 ...FREQUENT LIGHTNING AND HEAVY RAIN IN MARLBORO AND DARLINGTON COUNTIES... STRONG THUNDERSTORMS WILL SPREAD SOUTHEAST ACROSS MARLBORO AND DARLINGTON COUNTIES THROUGH 4 PM...AND CONTINUE THROUGH AT LEAST 5 PM. FREQUENT CLOUD TO GROUND LIGHTNING IS EXPECTED...AND HEAVY DOWNPOURS WILL PRODUCE 1 TO 2 INCHES OF RAIN PER HOUR...RESULTING IN PONDING OF WATER ON LOW-LYING ROADWAYS. WIND GUSTS NEAR 40 MPH ARE ALSO POSSIBLE WITH THESE STORMS. RAS
The office that day
Everything else NWS Wilmington, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 3:54 PM EDT | Severe Thunderstorm Warning | ILM | Darlington, Dillon, Florence, Marlboro | 36 min |
| Jul 16, 4:14 PM EDT | Severe Thunderstorm Warning | ILM | Marion | 31 min |
| Jul 16, 4:32 PM EDT | Severe Thunderstorm Warning | ILM | Dillon | 31 min |
| Jul 16, 4:45 PM EDT | Severe Thunderstorm Warning | ILM | Horry, Marion | 45 min |
| Jul 16, 4:54 PM EDT | Severe Thunderstorm Warning | ILM | Florence, Marion | 51 min |
| Jul 16, 6:03 PM EDT | Special Marine Warning | ILM | 50 min | |
| Jul 16, 7:44 PM EDT | Special Marine Warning | ILM | 61 min | |
| Jul 16, 4:00 PM EDT | Severe Thunderstorm Warning | ILM | Bladen, Robeson | 45 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2009Every severe thunderstorm warning in 2009
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.