Alert archive / South Carolina / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 72, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Jul 9, 2004, 4:57 PM EDT for Berkeley County, South Carolina. It was in force for 48 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, 4:57 PM EDT (20:57 UTC)
- Expired
- Jul 9, 2004, 5:45 PM EDT
- In force
- 48 min
- Issued by
- NWS Charleston, SC
- Area
- Counties, with a storm outline in the text
County Berkeley County, SC
The radar
The Charleston,SC radar (KCLX), 114 km from the middle of the area, began a volume at 20:58 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, 9.0 hours before the alert went out and 13 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 092057 SVRCHS SCC015-092145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHARLESTON SC 457 PM EDT FRI JUL 9 2004 THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN BERKELEY COUNTY IN SOUTHEAST SOUTH CAROLINA... * UNTIL 545 PM EDT * AT 457 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS OVER WANDO...OR ABOUT 12 MILES EAST OF GOOSE CREEK... DRIFTING SOUTHWEST AT 5 TO 10 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THE STORM INCLUDE... WANDO AND CAINHOY... DANIEL ISLAND... INTERSTATE 526 FROM THE DON HOLT BRIDGE TO THE WANDO BRIDGE... 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 3293 7982 3299 7982 3295 7997 3285 7992 $$
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, 1 hour 57 minutes earlier.
Area forecast discussion, Jul 9, 3:00 PM EDT, 1 hour 57 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, 11 hours 57 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
Special weather statement, Jul 9, 3:15 PM EDT, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 315 PM EDT FRI JUL 9 2004 SCZ045-050-091945- BERKELEY-CHARLESTON- 318 PM EDT FRI JUL 9 2004 ...THUNDERSTORMS WITH EXCESSIVE CLOUD TO GROUND LIGHTNING WILL IMPACT NORTHEASTERN BERKELEY COUNTY AND EXTREME NORTHEASTERN CHARLESTON COUNTY THROUGH 345 PM EDT... AT 318 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TWO STRONG THUNDERSTORMS PRODUCING EXCESSIVE CLOUD TO GROUND LIGHTNING. THE FIRST STORM WAS LOCATED NEAR JAMESTOWN. THE SECOND WAS LOCATED ALONG THE SOUTH SANTEE RIVER...APPROXIMATELY 5 MILES NORTH OF MCCLELLANVILLE. BOTH STORMS WERE DRIFTING EAST AT 5 TO 10 MPH. THESE STORMS WILL IMPACT AREAS IN AND AROUND JAMESTOWN...FAREWELL CORNER...BEUFORDTOWN...PALMERVILLE...SHULERVILLE...NEWLAND...WAMBAW CORNER...SOUTH SANTEE AND GERMANTOWN THROUGH 345 PM EDT. THIS INCLUDES HIGHWAY 17 AND 45. 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, 3:36 PM EDT, 1 hour 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 336 PM EDT FRI JUL 9 2004 SCZ050-092000- CHARLESTON- 336 PM EDT FRI JUL 9 2004 ...STRONG THUNDERSTORMS WILL IMPACT AREAS NEAR THE SOUTH SANTEE RIVER IN CHARLESTON COUNTY THROUGH 400 PM EDT... AT 336 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CENTERED OVER GERMANTOWN...OR ABOUT 7 MILES NORTH OF MCCLELLANVILLE...DRIFTING EAST AT 5 MPH. THIS STRONG THUNDERSTORM WILL AFFECT AREAS IN AND AROUND GERMANTOWN...HAMPTON PLANTATION STATE PARK AND THE SOUTH SANTEE COMMUNITY THROUGH 400 PM EDT. THIS INCLUDES HIGHWAY 17 AROUND THE SOUTH SANTEE RIVER. HAIL UP TO ONE HALF INCH IN DIAMETER...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 35 TO 45 MPH 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, 3:55 PM EDT, 1 hour 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 355 PM EDT FRI JUL 9 2004 SCZ048-092030- BEAUFORT- 355 PM EDT FRI JUL 9 2004 ...STRONG THUNDERSTORMS WILL IMPACT NORTHERN BEAUFORT COUNTY THROUGH 430 PM EDT... AT 355 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS CENTERED OVER TOMOTLEY...OR ABOUT 5 MILES SOUTHEAST OF YEMASSEE...DRIFTING EAST AT 5 MPH. THIS CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT AREAS IN AND AROUND TOMOTLEY... BREWTON...SHELDON...GARDENS CORNER AND BRIARS THROUGH 430 PM EDT. THIS INCLUDES HIGHWAYS 21 AND 17. 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.
Local storm report, Jul 9, 4:45 PM EDT, 12 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, 12 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, 5 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.
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, 5:43 PM EDT | Special Marine Warning | CHS | 47 min | |
| Jul 9, 5:43 PM EDT | Severe Thunderstorm Warning | CHS | Charleston, Dorchester | 32 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.