Alert archive / South Carolina / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 73, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Jul 9, 2004, 5:43 PM EDT for Charleston County, Dorchester County, South Carolina. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 9, 2004, 5:43 PM EDT (21:43 UTC)
- Expired
- Jul 9, 2004, 6:15 PM EDT
- In force
- 32 min
- Issued by
- NWS Charleston, SC
- Area
- Counties, with a storm outline in the text
Counties Charleston County, SC, Dorchester County, SC
The radar
The Charleston,SC radar (KCLX), 92 km from the middle of the area, began a volume at 21:44 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 9.7 hours before the alert went out and 10 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
- 1530 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 898 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS52 KCHS 092143
SVRCHS
SCC019-035-092215-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
542 PM EDT FRI JUL 9 2004
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN DORCHESTER COUNTY IN SOUTHEAST SOUTH CAROLINA...
NORTHERN CHARLESTON COUNTY IN SOUTHEAST SOUTH CAROLINA...
* UNTIL 615 PM EDT
* AT 542 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING
WINDS ALONG A LINE EXTENDING FROM NORTHWOODS MALL TO 3 MILES
SOUTHWEST OF GREGGS LANDING...DRIFTING SOUTHWEST AT 5 TO 10 MPH.
* SOME LOCATIONS IN OR NEAR THE PATH OF THE STORM INCLUDE...
NORTHWOODS MALL AND GREGGS LANDING...
MIDDLETON PLACE...
HIGHWAY 61...
INTERSTATE 526 FROM THE CHARLESTON AIRPORT TO SUMMERVILLE...
BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH.
SEEK SHELTER IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS.
TO REPORT SEVERE WEATHER ONLY...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN CHARLESTON TOLL FREE AT 1-888-383-2024.
LAT...LON 3295 8004 3299 8004 3296 8014 3283 8024
3282 8014
$$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 Charleston, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 9, 3:00 PM EDT, 2 hours 43 minutes earlier.
Area forecast discussion, Jul 9, 3:00 PM EDT, 2 hours 43 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CHARLESTON SC 3 PM EDT FRI JUL 9 2004 .SHORT TERM /TONIGHT AND SATURDAY/...CONVECTION IS FIRING ALONG AND TO THE SOUTH OF THE LEESIDE TROF OVER THE CENTRAL CAROLINAS. BEING DIURNAL IN NATURE THIS ACTIVITY WILL DIMINISH THIS EVENING. WILL CARRY HIGHEST POPS ACROSS THE NORTHWEST TIER OF COUNTIES WITH DECREASING POPS SOUTH. MORE OF THE SAME IN STORE FOR SATURDAY. DESPITE UPPER RIDGE COVERING THE FORECAST AREA AS LONG AS THE ATMOSPHERE IS MOIST AND UNSTABLE THERE WILL CONTINUE TO BE A CHANCE FOR AFTERNOON CONVECTION. PLAN ON CARRYING 30 PERCENT ACROSS THE BOARD. && .LONG TERM /SUNDAY THROUGH FRIDAY/... UPPER RIDGE WILL CONTINUE TO SHIFT WEST THROUGH NEXT WEEK. LEESIDE TROF WILL PERSIST ACROSS THE CENTRAL CAROLINAS INTO GEORGIA. ATMOSPHERE WILL REMAIN MOIST AND UNSTABLE THROUGH THE PERIOD SO WILL KEEP CHANCE POPS GOING FOR EACH DAY...MAINLY IN THE AFTERNOON AND EVENING. GFS SHOWS A BACKDOOR FRONT DROPPING INTO THE AREA TUESDAY AND REMAINING UNTIL WEDNESDAY...AFTER WHICH IT QUICKLY WASHES OUT. OVERALL VERY LITTLE CHANGE TO CURRENT EXTENDED FORECAST. && .MARINE...LITTLE CHANGE IN DAY TO DAY PATTERN THE NEXT FEW DAYS...WITH LEE SIDE TROUGH AND ATLC RIDGE SUPPRESSED WELL TO THE S. WHILE ALOFT...MID AND UPPER LEVEL RIDGING CONTINUES. THIS WILL MAINTAIN A GENTLE TO MODERATE SWLY BREEZE THRU SUN...WITH TYPICAL BACKING OF WINDS TO MORE SLY WITH THE AFTERNOON SEA BREEZE. EARLY NEXT WEEK THERE ARE INDICATIONS THAT THE MID AND UPPER RIDGE WILL SHIFT SW...AS A TROUGH DEVELOPS IN THE E. THIS MAY ALLOW FOR A BACKDOOR COLD FRONT TO APPROACH TH E MID ATLC REGION FROM THE N...BUT CURRENT INDICATIONS ARE THAT IT WILL NOT GET THIS FAR S. THIS MAY ALLOW FOR A SLIGHT RISE IN WINDS OVER THE AREA...WITH STILL THE TYPICAL BACKING OF WINDS DURING THE DAY AND VEERING AT NIGHT. SEAS MAINLY 3 FT OR LESS THRU THE FCST PERIOD. && .AVIATION...AFTERNOON SEA BREEZE NEAR US-17 IN SC...AND NEAR THE INTRACOASTAL IN GA. WHILE LITTLE OR NO ACTIVITY IS FOUND ALONG THIS BOUNDARY EXCEPT IN THE GEORGETOWN/MCCLELLANVILLE AREA...OTHER STORMS HAVE BEEN FIRING FOR SEVERAL HOURS OVER THE N AND W SECTIONS OF THE CWA. WITH WLY FLOW THE SEA BREEZE WILL HAVE A HARD TIME PENETRATING TO THE TWO TERMINALS UNTIL LATE AFTERNOON OR EVE. FEEL MORE CONFIDENT OF SOMETHING FORMING IN THE CHS AREA WITH MORE NEARBY BOUNDARIES...BUT FOR NOW WILL CARRY ONLY CB IN BOTH THE TAFS. BEYOND THIS EVE...GENERALLY A WIND FCST...AS LIGHT SSW WINDS VEER TO WLY BY MORNING. BASED ON CROSSOVER TECHNIQUE IN AWIPS AND MOS GUIDANCE...LIGHT FOG FORMATION SEEMS UNLIKELY. && .CHS WATCHES/WARNINGS/ADVISORIES... GA...NONE. SC...NONE. MARINE...NONE. && HSA/PM
Hazardous weather outlook, Jul 9, 5:00 AM EDT, 12 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHARLESTON SC 500 AM EDT FRI JUL 9 2004 AMZ330-350-352-354-374-GAZ087-088-099>101-114>119-137>141-SCZ040- 042>045-047>051-101000- ALLENDALE-BEAUFORT-BERKELEY-BULLOCH-CANDLER-CHARLESTON-COASTAL BRYAN- COASTAL CHATHAM-COASTAL COLLETON-COASTAL JASPER-COASTAL LIBERTY- COASTAL MCINTOSH-DORCHESTER-EFFINGHAM-EVANS-HAMPTON-INLAND BRYAN- INLAND CHATHAM-INLAND COLLETON-INLAND JASPER-INLAND LIBERTY- INLAND MCINTOSH-JENKINS-LONG-SCREVEN-TATTNALL- INCLUDING THE CITIES OF...ALLENDALE...BEAUFORT...CHARLESTON... CLAXTON...DARIEN...EDISTO BEACH...GOOSE CREEK...HAMPTON... HILTON HEAD ISLAND...HINESVILLE...LUDOWICI...MCCLELLANVILLE... METTER...MILLEN...MONCKS CORNER...PEMBROKE...REIDSVILLE... RICHMOND HILL...RIDGELAND...SAINT GEORGE...SAINT STEPHEN... SAVANNAH...SPRINGFIELD...STATESBORO...SUMMERVILLE...SYLVANIA... WALTERBORO AND YEMASSEE 500 AM EDT FRI JUL 9 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH CAROLINA... SOUTHEAST GEORGIA AND THE ADJACENT COASTAL WATERS FROM SOUTH SANTEE RIVER SOUTH CAROLINA TO ALTAMAHA SOUND GEORGIA. .DAY ONE...TODAY AND TONIGHT. .STRONG THUNDERSTORMS...WIDELY SCATTERED AFTERNOON AND EARLY EVENING THUNDERSTORMS ARE EXPECTED. A FEW OF THE STORMS COULD BECOME STRONG WITH LOCALIZED GUSTY WINDS AND FREQUENT LIGHTNING. DUE TO SLOW STORM MOVEMENTS...VERY HEAVY RAIN COULD OCCUR WITH MINOR FLOODING OF LOW LYING AREAS AND PONDING OF WATER ON ROADWAYS. .HOT AND HUMID WEATHER...ABOVE NORMAL TEMPERATURES AND MODERATE LEVELS OF HUMIDITY WILL PRODUCE A HEAT INDEX FROM 100 TO 105 DEGREES THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. .THUNDERSTORMS...EACH DAY THERE WILL BE AT LEAST A SLIGHT CHANCE OF THUNDERSTORMS...MAINLY DURING THE AFTERNOON AND EVENING HOURS. THE MAIN HAZARDS WILL BE DANGEROUS CLOUD TO GROUND LIGHTNING STRIKES AND LOCALLY HEAVY RAIN. .HOT AND HUMID WEATHER...ABOVE NORMAL TEMPERATURES AND MODERATE LEVELS OF HUMIDITY WILL PRODUCE A HEAT INDEX CLOSE TO 105 DEGREES AT SOME LOCATIONS DURING THE AFTERNOON HOURS THIS WEEKEND. .SPOTTER INFORMATION STATEMENT...SKYWARN SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT. 24
In the hours before
Local storm report, Jul 9, 4:45 PM EDT, 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
445 PM EDT FRI JUL 09 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0411 PM TSTM WND GST MCCLELLANVILLE 33.09N 79.46W
07/09/2004 50 MPH CHARLESTON SC LAW ENFORCEMENT
0435 PM HAIL AWENDAW 33.04N 79.61W
07/09/2004 0.50 INCH CHARLESTON SC COUNTY OFFICIAL
HAIL REPORTED AT STEED CREEK ROAD AND US-17.
&&
PMLocal storm report, Jul 9, 4:45 PM EDT, 58 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE CHARLESTON SC
445 PM EDT FRI JUL 09 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0411 PM TSTM WND GST MCCLELLANVILLE 33.09N 79.46W
07/09/2004 60 MPH CHARLESTON SC LAW ENFORCEMENT
WIND REPORT ESTIMATED.
0435 PM HAIL AWENDAW 33.04N 79.61W
07/09/2004 0.50 INCH CHARLESTON SC COUNTY OFFICIAL
HAIL REPORTED AT STEED CREEK ROAD AND US-17.
&&
PMSpecial weather statement, Jul 9, 4:52 PM EDT, 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 452 PM EDT FRI JUL 9 2004 SCZ045-092115- BERKELEY- 452 PM EDT FRI JUL 9 2004 ...STRONG THUNDERSTORMS WILL IMPACT SOUTHERN BERKELEY COUNTY THROUGH 515 PM EDT... AT 45 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A NEARLY STATIONARY STRONG THUNDERSTORM CENTERED 2 MILES NORTHWEST OF WANDO...OR ABOUT 10 MILES EAST OF GOOSE CREEK. THE STORM WILL AFFECT AREAS IN AND AROUND CHARITY...CAINHOY AND WANDO THROUGH 515 PM EDT. HAIL UP TO ONE HALF INCH IN DIAMETER...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 35 TO 45 MPH CAN BE EXPECTED. THE STORM MAY MERGE WITH A LARGE SEVERE THUNDERSTORMS MOVING SOUTHWEST OUT OF THE AWENDAW AREA AFTER 515 PM WHICH MAY CAUSE THIS STORM TO ALSO BECOME SEVERE. PEOPLE ACROSS SOUTHERN BERKELEY COUNTY SHOULD REMAIN ALERT FOR THREATENING WEATHER CONDITIONS AND BE PREPARED TO TAKE ACTION SHOULD A SEVERE THUNDERSTORM WARNING BE ISSUED.
Special weather statement, Jul 9, 5:02 PM EDT, 41 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 502 PM EDT FRI JUL 9 2004 SCZ048>051-092130- BEAUFORT-CHARLESTON-COASTAL COLLETON-COASTAL JASPER- 502 PM EDT FRI JUL 9 2004 ...STRONG THUNDERSTORMS WILL IMPACT JASPER COUNTY...CHARLESTON COUNTY...BEAUFORT COUNTY AND COLLETON COUNTY THROUGH 530 PM EDT... AT 502 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS...FROM FENWICK TO 3 MILES SOUTHEAST OF BEAUFORT TO 3 MILES WEST OF MYRTLE ISLAND...MOVING EAST AT 10 MPH. THIS CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT AREAS IN AND AROUND HILTON HEAD...BEAUFORT...WILKINS...WIGGINS...WALLING GROVE...PRITCHARDVILLE...PORT ROYAL...LEVY...FENWICK AND DANIELS THROUGH 530 PM EDT. HAIL UP TO ONE HALF INCH IN DIAMETER...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 45 TO 55 MPH CAN BE EXPECTED. GET INSIDE A SAFE LOCATION IMMEDIATELY IF STORMS APPROACH. PM
Special weather statement, Jul 9, 5:31 PM EDT, 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 531 PM EDT FRI JUL 9 2004 SCZ050-092200- CHARLESTON- 531 PM EDT FRI JUL 9 2004 ...STRONG THUNDERSTORMS WILL IMPACT NORTHERN CHARLESTON COUNTY THROUGH 600 PM EDT... AT 531 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED OVER NORTHWOODS MALL...OR ABOUT 2 MILES SOUTH OF GOOSE CREEK...MOVING DRIFTING SOUTHWEST AT 5 MPH. THIS STRONG THUNDERSTORM WILL AFFECT AREAS IN AND AROUND NORTH CHARLESTON...NORTHWOODS MALL...GOOSE CREEK AND HANAHAN. EXCESSIVE CLOUD-TO-GROUND LIGHTNING...GUSTY WINDS OF 35 TO 45 MPH AND TORRENTIAL DOWNPOURS CAN BE EXPECTED. TO REPORT SEVERE WEATHER ONLY...PLEASE CONTACT THE NATIONAL WEATHER SERVICE IN CHARLESTON TOLL FREE AT 1-888-383-2024.
Special weather statement, Jul 9, 5:33 PM EDT, 10 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 533 PM EDT FRI JUL 9 2004 SCZ044-092200- DORCHESTER- 533 PM EDT FRI JUL 9 2004 ...STRONG THUNDERSTORMS WILL IMPACT EXTREME SOUTHEASTERN DORCHESTER COUNTY THROUGH 600 PM EDT... AT 533 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A NEARLY STATIONARY STRONG THUNDERSTORM CENTERED OVER GREGGS LANDING...OR ABOUT 8 MILES SOUTH OF SUMMERVILLE. THIS STRONG THUNDERSTORM WILL AFFECT AREAS IN AND AROUND OAKBROOK...GREGGS LANDING AND MIDDLETON PLACE THROUGH 600 PM EDT. THIS INCLUDES HIGHWAY 61. HAIL UP TO ONE HALF INCH IN DIAMETER...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 35 TO 45 MPH CAN BE EXPECTED.
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 3:47 PM EDT | Severe Thunderstorm Warning | CHS | Charleston | 28 min |
| Jul 9, 4:16 PM EDT | Severe Thunderstorm Warning | CHS | Charleston | 44 min |
| Jul 9, 4:57 PM EDT | Severe Thunderstorm Warning | CHS | Berkeley | 48 min |
| Jul 9, 5:43 PM EDT | Special Marine Warning | CHS | 47 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2004Every severe thunderstorm warning in 2004
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.