Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 57, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at May 9, 2012, 3:45 PM EDT for Berkeley County, Charleston County, Dorchester County, South Carolina. It was in force for 60 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 9, 2012, 3:45 PM EDT (19:45 UTC)
- Expired
- May 9, 2012, 4:45 PM EDT
- In force
- 60 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
Counties Berkeley County, SC, Charleston County, SC, Dorchester County, SC
The radar
The Charleston,SC radar (KCLX), 138 km from the middle of the area, began a volume at 19:47 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 9, 3:45 PM EDT | TSTM WND DMG | 1 Nne Crowfield Plantat, SC | TREE DOWN ON NORTH AYLESBURY ROAD. TIME ESTIMATED BASED ON RADAR DATA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
Did it verify
Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 0 minutes after it went out.
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 9, 2:00 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 7.8 hours before the alert went out and 37 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
- 484 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 666 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
624
WUUS52 KCHS 091945
SVRCHS
SCC015-019-035-092045-
/O.NEW.KCHS.SV.W.0057.120509T1945Z-120509T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
345 PM EDT WED MAY 9 2012
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN BERKELEY COUNTY IN SOUTHEAST SOUTH CAROLINA...
CHARLESTON COUNTY IN SOUTHEAST SOUTH CAROLINA...
SOUTHEASTERN DORCHESTER COUNTY IN SOUTHEAST SOUTH CAROLINA...
* UNTIL 445 PM EDT
* AT 345 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
SEVERE THUNDERSTORMS...ALONG A LINE EXTENDING FROM SAINT STEPHEN TO
7 MILES NORTHEAST OF CROWFIELD PLANTATION TO HOLLYWOOD...MOVING
EAST AT 40 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO QUARTER SIZE...
* SOME LOCATIONS IN THE WARNING INCLUDE...
MAGNOLIA GARDENS...ARCHDALE...NAVAL WEAPONS STATION CHARLESTON...
JOHNS ISLAND...WEST ASHLEY...NORTH CHARLESTON...WANDO...JAMES
ISLAND COUNTY PARK...JAMESTOWN...JAMES ISLAND...
WINDS OF 53 MPH WERE RECENTLY REPORTED AT MONCKS CORNER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REPORT HAIL...DOWNED TREES...LIMBS...AND POWER LINES DIRECTLY TO THE
CHARLESTON NATIONAL WEATHER SERVICE AT 1-888-383-2024.
&&
LAT...LON 3308 7933 3300 7936 3299 7950 3303 7953
3298 7955 3301 7957 3294 7961 3297 7955
3290 7957 3286 7967 3279 7973 3275 7986
3268 7989 3266 8031 3309 8003 3350 7997
3332 7974 3324 7948 3316 7935 3314 7926
TIME...MOT...LOC 1945Z 267DEG 34KT 3344 7986 3310 7992
3274 8015
$$5 follow-up statements
122
WWUS52 KCHS 091956
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
356 PM EDT WED MAY 9 2012
SCC015-019-035-092045-
/O.CON.KCHS.SV.W.0057.000000T0000Z-120509T2045Z/
DORCHESTER SC-CHARLESTON SC-BERKELEY SC-
356 PM EDT WED MAY 9 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR EASTERN BERKELEY...CHARLESTON AND EXTREME SOUTHEASTERN DORCHESTER
COUNTIES...
AT 356 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 7
MILES NORTH OF ALVIN TO NEW HOPE TO JOHNS ISLAND...MOVING EAST AT 40
MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...AWENDAW...
BOONE HALL PLANTATION...BULL ISLAND...CAINHOY...CAPE ISLAND...CAPE
ROMAIN...CAPERS INLET...CHARLES TOWNE LANDING...CHARLESTON AIRPORT...
CHARLESTON NAVAL COMPLEX...DANIEL ISLAND...DON HOLT BRIDGE...DOWNTOWN
CHARLESTON...FORT JOHNSON...FORT SUMTER...GARRIS LANDING...GOOSE
CREEK...HAMPTON PLANTATION STATE PARK...HANAHAN...HUGER...I-26/I-526
INTERCHANGE...ISLE OF PALMS...JAMES ISLAND...JAMES ISLAND COUNTY
PARK...JAMESTOWN...JOHNS ISLAND...LIGHTHOUSE ISLAND...MAGNOLIA
GARDENS...MAYBANK BRIDGE...MCCLELLANVILLE...MOUNT PLEASANT...MOUNT
PLEASANT REGIONAL AIRPORT...MOUNT PLEASANT TOWNE CENTRE...NAVAL
WEAPONS STATION CHARLESTON...NORTH CHARLESTON...PRICE INLET...SANTEE
COASTAL RESERVE...SHADOWMOSS...SULLIVANS ISLAND...WADMALAW ISLAND...
WANDO AND WEST ASHLEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. MOVE INDOORS
IMMEDIATELY. IF THERE IS NO SAFE SHELTER AVAILABLE...STAY AWAY FROM
ISOLATED HIGH OBJECTS AND BODIES OF WATER. IF YOU CAN HEAR THUNDER...
YOU ARE WITHIN STRIKING DISTANCE.
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
WEDNESDAY EVENING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
&&
LAT...LON 3308 7933 3300 7936 3299 7950 3303 7953
3298 7955 3301 7957 3294 7961 3297 7955
3290 7957 3286 7967 3279 7973 3275 7986
3268 7989 3268 8023 3311 7998 3345 7991
3332 7974 3324 7948 3316 7935 3314 7926
TIME...MOT...LOC 1956Z 267DEG 34KT 3344 7973 3310 7980
3274 8003
$$710
WWUS52 KCHS 092005
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
405 PM EDT WED MAY 9 2012
SCC035-092015-
/O.CAN.KCHS.SV.W.0057.000000T0000Z-120509T2045Z/
DORCHESTER SC-
405 PM EDT WED MAY 9 2012
...THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTHEASTERN
DORCHESTER COUNTY HAS BEEN CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
WEDNESDAY EVENING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
LAT...LON 3308 7933 3300 7936 3299 7950 3303 7953
3298 7955 3301 7957 3294 7961 3297 7955
3290 7957 3286 7967 3279 7973 3275 7986
3268 7989 3268 8012 3310 7987 3338 7982
3332 7974 3324 7948 3316 7935 3314 7926
TIME...MOT...LOC 2005Z 267DEG 34KT 3343 7967 3310 7975
3268 8000
$$
SCC015-019-092045-
/O.CON.KCHS.SV.W.0057.000000T0000Z-120509T2045Z/
CHARLESTON SC-BERKELEY SC-
405 PM EDT WED MAY 9 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR EASTERN BERKELEY AND EASTERN CHARLESTON COUNTIES...
AT 405 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 8
MILES NORTHEAST OF ALVIN TO HUGER TO CHARLESTON EXECUTIVE AIRPORT...
MOVING EAST AT 40 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...AWENDAW...
BOONE HALL PLANTATION...BULL ISLAND...CAINHOY...CAPE ISLAND...CAPE
ROMAIN...CAPERS INLET...CHARLES TOWNE LANDING...CHARLESTON NAVAL
COMPLEX...DANIEL ISLAND...DON HOLT BRIDGE...DOWNTOWN CHARLESTON...
FORT JOHNSON...FORT SUMTER...GARRIS LANDING...HAMPTON PLANTATION
STATE PARK...HUGER...ISLE OF PALMS...JAMES ISLAND...JAMES ISLAND
COUNTY PARK...JAMESTOWN...JOHNS ISLAND...LIGHTHOUSE ISLAND...MAYBANK
BRIDGE...MCCLELLANVILLE...MOUNT PLEASANT...MOUNT PLEASANT REGIONAL
AIRPORT...MOUNT PLEASANT TOWNE CENTRE...NORTH CHARLESTON...PRICE
INLET...SANTEE COASTAL RESERVE...SULLIVANS ISLAND...WANDO AND WEST
ASHLEY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DOPPLER RADAR HAS INDICATED WEAK ROTATION WITHIN THIS STORM NEAR
HUGER. IF THE ROTATION STRENGTHENS...A TORNADO WARNING MAY BE ISSUED.
FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. MOVE INDOORS
IMMEDIATELY. IF THERE IS NO SAFE SHELTER AVAILABLE...STAY AWAY FROM
ISOLATED HIGH OBJECTS AND BODIES OF WATER. IF YOU CAN HEAR THUNDER...
YOU ARE WITHIN STRIKING DISTANCE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
WEDNESDAY EVENING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
&&
LAT...LON 3308 7933 3300 7936 3299 7950 3303 7953
3298 7955 3301 7957 3294 7961 3297 7955
3290 7957 3286 7967 3279 7973 3275 7986
3268 7989 3268 8012 3310 7987 3338 7982
3332 7974 3324 7948 3316 7935 3314 7926
TIME...MOT...LOC 2005Z 267DEG 34KT 3343 7967 3310 7975
3268 8000
$$217
WWUS52 KCHS 092015
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
415 PM EDT WED MAY 9 2012
SCC015-019-092045-
/O.CON.KCHS.SV.W.0057.000000T0000Z-120509T2045Z/
CHARLESTON SC-BERKELEY SC-
415 PM EDT WED MAY 9 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR SOUTHEASTERN BERKELEY AND EASTERN CHARLESTON COUNTIES...
AT 416 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM
12 MILES NORTHEAST OF JAMESTOWN TO HALFWAY CREEK TO SECESSIONVILLE...
MOVING EAST AT 40 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...AWENDAW...
BOONE HALL PLANTATION...BULL ISLAND...CAINHOY...CAPE ISLAND...CAPE
ROMAIN...CAPERS INLET...DANIEL ISLAND...DOWNTOWN CHARLESTON...FORT
JOHNSON...FORT SUMTER...GARRIS LANDING...HAMPTON PLANTATION STATE
PARK...ISLE OF PALMS...JAMES ISLAND...JAMESTOWN...LIGHTHOUSE
ISLAND...MCCLELLANVILLE...MOUNT PLEASANT...MOUNT PLEASANT REGIONAL
AIRPORT...MOUNT PLEASANT TOWNE CENTRE...PRICE INLET...SANTEE COASTAL
RESERVE...SULLIVANS ISLAND AND WANDO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. MOVE INDOORS
IMMEDIATELY. IF THERE IS NO SAFE SHELTER AVAILABLE...STAY AWAY FROM
ISOLATED HIGH OBJECTS AND BODIES OF WATER. IF YOU CAN HEAR THUNDER...
YOU ARE WITHIN STRIKING DISTANCE.
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
WEDNESDAY EVENING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
&&
LAT...LON 3308 7933 3300 7936 3299 7950 3303 7953
3298 7955 3301 7957 3294 7961 3297 7955
3290 7957 3286 7967 3279 7973 3275 7986
3268 7989 3268 8002 3309 7980 3332 7974
3324 7948 3316 7935 3314 7926
TIME...MOT...LOC 2016Z 267DEG 34KT 3343 7954 3310 7963
3268 7988
$$745
WWUS52 KCHS 092027
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
427 PM EDT WED MAY 9 2012
SCC015-019-092045-
/O.CON.KCHS.SV.W.0057.000000T0000Z-120509T2045Z/
CHARLESTON SC-BERKELEY SC-
427 PM EDT WED MAY 9 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR EAST CENTRAL BERKELEY AND NORTHEASTERN CHARLESTON COUNTIES...
AT 428 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM
16 MILES NORTH OF HAMPTON PLANTATION STATE PARK TO TIBWIN TO 7 MILES
SOUTHEAST OF SULLIVANS ISLAND...MOVING EAST AT 40 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...AWENDAW...
BULL ISLAND...CAPE ISLAND...CAPE ROMAIN...CAPERS INLET...GARRIS
LANDING...HAMPTON PLANTATION STATE PARK...ISLE OF PALMS...LIGHTHOUSE
ISLAND...MCCLELLANVILLE...MOUNT PLEASANT REGIONAL AIRPORT...PRICE
INLET...SANTEE COASTAL RESERVE AND SULLIVANS ISLAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
&&
LAT...LON 3308 7933 3300 7936 3299 7950 3303 7953
3298 7955 3301 7957 3294 7961 3297 7955
3290 7957 3286 7967 3279 7973 3275 7986
3328 7962 3324 7948 3316 7935 3314 7926
TIME...MOT...LOC 2028Z 267DEG 34KT 3343 7942 3310 7951
3268 7976
$$202
WWUS52 KCHS 092044
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
444 PM EDT WED MAY 9 2012
SCC015-019-092054-
/O.EXP.KCHS.SV.W.0057.000000T0000Z-120509T2045Z/
CHARLESTON SC-BERKELEY SC-
444 PM EDT WED MAY 9 2012
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BERKELEY AND
NORTHEASTERN CHARLESTON COUNTIES WILL EXPIRE AT 445 PM EDT...
AT 444 PM EDT...RADAR INDICATED THAT THE THUNDERSTORM WHICH PROMPTED
THE WARNING HAD WEAKENED...THUS THE SEVERE THUNDERSTORM WARNING HAS
BEEN ALLOWED TO EXPIRE.
ALTHOUGH THE SEVERE THUNDERSTORM WARNING IS NO LONGER IN
EFFECT...THUNDERSTORMS ARE STILL CAPABLE OF PRODUCING GUSTY WINDS UP
TO 50 MPH...FREQUENT LIGHTNING AND HEAVY RAINFALL. THE SAFEST COURSE
OF ACTION IS TO REMAIN INDOORS UNTIL THE STORMS HAVE PASSED.
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
WEDNESDAY EVENING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
LAT...LON 3308 7933 3300 7936 3299 7950 3303 7953
3298 7955 3301 7957 3294 7961 3297 7955
3290 7957 3286 7967 3279 7973 3275 7986
3328 7962 3324 7948 3316 7935 3314 7926
TIME...MOT...LOC 2044Z 267DEG 34KT 3342 7923 3309 7933
3268 7959
$$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 May 9, 3:43 PM EDT, 2 minutes earlier.
Area forecast discussion, May 9, 3:43 PM EDT, 2 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CHARLESTON SC 343 PM EDT WED MAY 9 2012 ...SEVERE THUNDERSTORM WATCH UNTIL 9 PM EDT... .SYNOPSIS... A COLD FRONT WILL MOVE OFFSHORE TONIGHT AND BE FOLLOWED BY HIGH PRESSURE THROUGH MONDAY. THE HIGH WILL BEGIN TO WEAKEN EARLY NEXT WEEK AS IT GIVES WAY TO A SLOW MOVING FRONTAL SYSTEM THROUGH WEDNESDAY. && .NEAR TERM /UNTIL 6 AM THURSDAY MORNING/... SHOWERS/TSTMS ARE STEADILY EXPANDING ACROSS SOUTHEAST SOUTH CAROLINA THIS AFTERNOON AND EXPECT TO SEE A SIMILAR PATTERN EVOLVE ACROSS SOUTHEAST GEORGIA SOON. VISIBLE SATELLITE AND RADAR SHOW NUMEROUS CONVECTIVE OUTFLOWS BEING GENERATED BY ONGOING CONVECTION...THE STRONGEST OF WHICH IS EXTENDING FROM NORTHERN JASPER COUNTY INTO SOUTHERN BULLOCH COUNTY. THIS OUTFLOW WILL INTERSECT THE INLAND MOVING SEA BREEZE SHORTLY WHICH SHOULD INITIATE NEW CONVECTION. INSTABILITY PROFILES OUTSIDE OF CONVECTION IS DECENT FOR EARLY MAY WITH SBCAPES APPROACHING 2800 J/KG...MAINLY ACROSS SOUTHEAST GEORGIA. THE FOCUS FOR SEVERE WEATHER WILL GRADUALLY SHIFT TO THE LOWER SOUTH CAROLINA COAST AND INTO MUCH OF SOUTHEAST GEORGIA EAST OF A STATESBORO-REIDSVILLE LINE. THE MOST IMPRESSIVE INSTABILITY PARAMETERS ARE GENERALLY CONFINED TO SOUTHEAST GEORGIA WHERE STRONG SURFACE HEATING IS STILL ONGOING WITH SURFACE TEMPERATURES APPROACHING THE UPPER 80S. COULD SEE SBCAPE BRIEFLY SURPASS 3000 J/KG PRIOR TO THE ONSET OF CONVECTION. 0-6KM BULK SHEAR AND UPPER-LEVEL DYNAMICS WILL INCREASE AS AN UPPER TROUGH AND H5 JET STREAK APPROACH. THE RISK FOR LOOSELY ORGANIZED SEVERE TSTMS WILL THEREFORE INCREASE OVER THE NEXT FEW HOURS. A SEVERE TSTM WATCH REMAINS IN EFFECT FOR MUCH OF THE AREA UNTIL 9 PM...EXCLUDING ALLENDALE/SCREVEN AND JENKINS COUNTIES. THE WESTERN PARTS OF THE WATCH WILL LIKELY BE CLEARED AS THE CORE OF THE CONVECTION SHIFTS CLOSER TO THE COAST. WILL MAINTAIN CATEGORICAL POPS ACROSS MAINLY THE CENTRAL AND EASTERN PORTIONS OF THE FORECAST AREA. THE COLD FRONT WILL PUSH OFF THE COAST AFTER MIDNIGHT WITH DRIER AIR ADVECTING IN BEHIND IT. SHOULD SEE MAINLY CLEAR SKIES AND COOLER CONDITIONS BY SUNRISE THURSDAY. && .SHORT TERM /6 AM THURSDAY MORNING THROUGH SATURDAY/... BROAD UPPER RIDGING WILL SLOWLY TAKE SHAPE THURSDAY THROUGH SATURDAY. SURFACE HIGH PRESSURE WILL OVERSPREAD THE REGION FROM THE NORTHWEST ON THURSDAY...SHIFTING SLOWLY EAST THROUGH SATURDAY WITH WINDS SHIFTING FROM NORTH TO NORTHEAST AND EVENTUALLY EAST. RAIN-FREE WEATHER IS EXPECTED WITH TEMPERATURES NEAR NORMAL. DEWPOINTS WILL BE NOTICEABLY LOWER DURING THE PERIOD...ESPECIALLY THURSDAY AND FRIDAY BEFORE THE SURFACE HIGH SHIFTS OFFSHORE AND THE FLOW BECOMES MORE ONSHORE. THE BEST CUMULUS COVERAGE IS EXPECTED ACROSS SOUTHEAST GA FRIDAY AND SATURDAY DUE TO THE BETTER MOISTURE ADVECTION. WE CANNOT COMPLETELY RULE OUT AN ISOLATED SHOWER ACROSS SOUTHEAST GA SATURDAY AFTERNOON BUT AT THIS POINT THE MOISTURE AND CONVERGENCE LOOK TOO LIMITED TO JUSTIFY A POP. && .LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/... RIDGING ALOFT WILL SLIDE INTO THE ATLANTIC FOR SUNDAY...AND WILL EVENTUALLY GIVE WAY TO EITHER A CLOSED LOW OR DEEP TROUGH DURING THE EARLY TO MIDDLE PORTION ON NEXT WEEK. SURFACE LOW PRESSURE WILL FORM AS A RESULT OVER OR NEAR THE TENNESSEE VALLEY OR NORTHERN GULF COAST. BUT A BLOCKING ATLANTIC RIDGE WILL PREVENT THE LOW AND ITS ASSOCIATED WARM AND COLD FRONTS FROM TRACKING EAST TOO QUICKLY. THIS MEANS WE/RE LOOKING AT A FAIRLY UNSETTLED PATTERN DURING THE EARLY AND MID WEEK PERIOD. SLIGHT CHANCE POPS FOR SUNDAY WILL INCREASE INTO THE CHANCE RANGE FOR MOST PLACES MONDAY...THEN SOLIDLY INTO THE CHANCE RANGE EVERYWHERE TUESDAY AND WEDNESDAY. MAX TEMPS WILL AVERAGE NEAR OR SLIGHTLY BELOW SEASONAL NORMS...WHILE NIGHTTIME LOWS WILL START OUT NEAR NORMAL...BUT CLIMB ABOVE NORMAL IN LATER PERIODS. && .AVIATION /20Z WEDNESDAY THROUGH MONDAY/... VFR CONDITIONS WILL PERSIST THROUGH 19Z AT CHS AND SAV TERMINALS DESPITE LIGHT SHOWERS NEAR/OVER THE TERMINALS. TEMPO MVFR CIGS/VSBYS ARE THEN POSSIBLE BETWEEN 19-23Z WITH SHOWER/THUNDERSTORM ACTIVITY ALONG AND AHEAD OF A COLD FRONT. SOME THUNDERSTORMS MAY BE STRONG AS THEY SHIFT OVER BOTH TERMINALS. HAVE INCLUDED TEMPO 20-25 KT WIND GUSTS WITH THUNDERSTORM ACTIVITY AT THE CHS TERMINAL. WIND GUSTS MAY BE NEEDED AT THE SAV TERMINAL WHEN TIMING OF THUNDERSTORMS BECOMES MORE CONFIDENT. TEMPO THUNDERSTORMS MAY NEED TO BE EXTENDED THROUGH 01Z AT BOTH TERMINALS TONIGHT IF THE FRONT SLOWS. VFR CONDITIONS WILL THEN PREVAIL POST FROPA TONIGHT THROUGH THURSDAY AFTERNOON. EXTENDED AVIATION OUTLOOK...MVFR CIGS COULD LINGER LATE TONIGHT SHORTLY AFTER 06Z BUT OTHERWISE NO SIG CONCERNS THROUGH SUN. && .MARINE... STRONG-SEVERE TSTMS WILL MOVE ACROSS THE WATERS THIS EVENING AS A COLD FRONT APPROACHES. SOUTHWEST WINDS WILL TURN WEST AND EVENTUALLY NORTHWEST LATE AS THE FRONT PUSHES OFFSHORE. SHOULD SEE A BIT OF SURGE IN THE WAKE OF THE FRONT WITH WINDS NO HIGHER THAN 15 KT TO 15-25 KT. SEAS WILL REMAIN 3 FT OR LESS. THURSDAY...WE EXPECT A BRIEF EARLY MORNING NORTHERLY WIND SURGE DUE TO THE COLD ADVECTION BEHIND THE COLD FRONT. SEAS WILL TEMPORARILY BUILD TO AS HIGH AS 5 FT OVER THE OFFSHORE GA WATERS. IF WINDS ARE A BIT STRONGER THERE COULD BE A FEW HOURS WITH 6 FT SEAS BEYOND ABOUT 40 NM FROM THE GA COAST. WINDS/SEAS WILL DROP OFF THURSDAY AFTERNOON/EVENING AS THE SURFACE HIGH BUILDS CLOSER TO THE AREA. FRIDAY THROUGH SUNDAY...HIGH PRESSURE WILL COVER THE MARINE AREA WITH AN ONSHORE FLOW TO PREVAIL. WINDS WILL GENERALLY HOLD AT 15 KT OR LESS WITH SEAS NO MORE THAN 3-5 FT. MONDAY...THE COASTAL WATERS WILL LIE BETWEEN ATLANTIC HIGH PRESSURE TO THE NE AND EAST...WITH LOW PRESSURE TO BE FOUND ALONG THE NORTHERN GULF COAST. ALTHOUGH THERE DOES APPEAR TO BE AN INCREASE IN THE PRESSURE GRADIENT BETWEEN THESE TWO FEATURES...CONDITIONS AT THIS TIME LOOK TO REMAIN BELOW SMALL CRAFT ADVISORY LEVELS. && .TIDES/COASTAL FLOODING... LATEST SURGE GUIDANCE AND LATE AFTERNOON TIDE TRENDS SUGGEST TIDES MAY APPROACH 7.0 FT MLLW IN THE CHARLESTON HARBOR. SINCE THIS IS JUST AT SHALLOW COASTAL FLOODING CRITERIA...PREFER TO HOLD OFF ON THE ISSUANCE OF A COASTAL FLOOD ADVISORY AND LET THE EVENING SHIFT MONITOR TIDE TRENDS. && .CHS WATCHES/WARNINGS/ADVISORIES... GA...NONE. SC...NONE. MARINE...NONE. && SYNOPSIS... NEAR TERM... SHORT TERM...JRL LONG TERM... AVIATION...DPB MARINE...JRL/ TIDES/COASTAL FLOODING...
Hazardous weather outlook, May 9, 2:03 PM EDT, 1 hour 42 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHARLESTON SC 203 PM EDT WED MAY 9 2012 AMZ330-350-352-354-GAZ099>101-114>119-137>141-SCZ042>045-047>052- 101815- CHARLESTON HARBOR- WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM- WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-CANDLER-BULLOCH-EFFINGHAM- TATTNALL-EVANS-INLAND BRYAN-COASTAL BRYAN-INLAND CHATHAM- COASTAL CHATHAM-LONG-INLAND LIBERTY-COASTAL LIBERTY-INLAND MCINTOSH- COASTAL MCINTOSH-HAMPTON-INLAND COLLETON-DORCHESTER-INLAND BERKELEY- INLAND JASPER-BEAUFORT-COASTAL COLLETON-CHARLESTON-COASTAL JASPER- TIDAL BERKELEY- 203 PM EDT WED MAY 9 2012 ...SEVERE THUNDERSTORM WATCH 269 IN EFFECT UNTIL 9 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS...SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SEVERE THUNDERSTORM WATCH. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS REQUESTED. AMZ374-GAZ087-088-SCZ040-101815- WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO 60 NM-JENKINS-SCREVEN-ALLENDALE- 203 PM EDT WED MAY 9 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS...SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. 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, May 9, 2:46 PM EDT, 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 246 PM EDT WED MAY 9 2012 SCZ043-044-091930- DORCHESTER-INLAND COLLETON- 246 PM EDT WED MAY 9 2012 ...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF DORCHESTER AND COLLETON COUNTIES THROUGH 330 PM EDT... AT 244 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM...NEAR COLLETON MEDICAL CENTER...MOVING EAST AT 25 MPH. SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE... COTTAGEVILLE...GIVHANS...GIVHANS FERRY STATE PARK...JEDBURG... KNIGHTSVILLE...RIDGEVILLE...ROUND O...SLANDS BRIDGE AND WALTERBORO... PREPARE NOW FOR THE FOLLOWING HAZARDS... GUSTY WINDS OF 40 TO 50 MPH... DIME SIZE HAIL... PRECAUTIONARY/PREPAREDNESS ACTIONS... FREQUENT CLOUD-TO-GROUND LIGHTNING IS OCCURRING. POSTPONE OUTDOOR ACTIVITIES PROMPTLY. SEEK SHELTER INSIDE AN ENCLOSED BUILDING. A SEVERE THUNDERSTORM WATCH IS ALSO IN EFFECT. THUNDERSTORMS CAN PRODUCE LARGE HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES SUDDENLY...SOMETIMES WITH LITTLE OR NO WARNING. BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE READY TO ACT QUICKLY IF SEVERE WEATHER IS OBSERVED OR A WARNING IS ISSUED. BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH. BE READY TO TAKE IMMEDIATE ACTION IN CASE A SEVERE THUNDERSTORM WARNING IS ISSUED FOR YOUR LOCATION. && LAT...LON 3283 8075 3299 8081 3315 8032 3294 8013 TIME...MOT...LOC 1846Z 254DEG 23KT 3294 8065
Special weather statement, May 9, 2:50 PM EDT, 55 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 250 PM EDT WED MAY 9 2012 GAZ088-100-101-SCZ042-047-048-091930- BEAUFORT-BULLOCH-EFFINGHAM-HAMPTON-INLAND JASPER-SCREVEN- 250 PM EDT WED MAY 9 2012 ...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF SCREVEN...BULLOCH... EFFINGHAM...HAMPTON...JASPER AND BEAUFORT COUNTIES THROUGH 330 PM EDT... AT 244 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS...ALONG A LINE EXTENDING FROM 8 MILES NORTHEAST OF NIXVILLE TO OLIVER...MOVING EAST AT 30 MPH. SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE... CLYO...EGYPT...KILDARE...LEEFIELD...NEWINGTON...OLIVER...SHAWNEE... COOSAWHATCHIE...ESTILL...FURMAN...GARNETT...GILLISONVILLE... GRAHAMVILLE...GRAYS...LENA...LURAY...MCPHERSONVILLE...PINELAND... POCOTALIGO...RIDGELAND...ROBERTVILLE...SCOTIA...SHIRLEY... SWITZERLAND...TARBORO AND TILLMAN... PREPARE NOW FOR THE FOLLOWING HAZARDS... STRONG WINDS OF 45 TO 55 MPH... PENNY SIZE HAIL... PRECAUTIONARY/PREPAREDNESS ACTIONS... A SEVERE THUNDERSTORM WATCH IS ALSO IN EFFECT. THUNDERSTORMS CAN PRODUCE LARGE HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES SUDDENLY...SOMETIMES WITH LITTLE OR NO WARNING. BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE READY TO ACT QUICKLY IF SEVERE WEATHER IS OBSERVED OR A WARNING IS ISSUED. && LAT...LON 3265 8076 3241 8098 3239 8173 3283 8123 TIME...MOT...LOC 1850Z 279DEG 25KT 3279 8098 3250 8146
Special weather statement, May 9, 3:12 PM EDT, 33 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 312 PM EDT WED MAY 9 2012 SCZ043-047>049-051-091945- BEAUFORT-COASTAL COLLETON-COASTAL JASPER-INLAND COLLETON-INLAND JASPER- 312 PM EDT WED MAY 9 2012 ...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF JASPER...COLLETON AND BEAUFORT COUNTIES THROUGH 345 PM EDT... AT 308 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM...NEAR SHELDON...MOVING EAST AT 25 MPH. SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE... DALE...GARDENS CORNER...GREEN POND AND SHELDON... PREPARE NOW FOR THE FOLLOWING HAZARDS... STRONG WINDS OF 45 TO 55 MPH... PENNY SIZE HAIL... PRECAUTIONARY/PREPAREDNESS ACTIONS... A SEVERE THUNDERSTORM WATCH IS ALSO IN EFFECT. THUNDERSTORMS CAN PRODUCE LARGE HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES SUDDENLY...SOMETIMES WITH LITTLE OR NO WARNING. BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE READY TO ACT QUICKLY IF SEVERE WEATHER IS OBSERVED OR A WARNING IS ISSUED. && LAT...LON 3275 8059 3254 8050 3246 8095 3263 8082 TIME...MOT...LOC 1912Z 249DEG 21KT 3257 8078
Special weather statement, May 9, 3:24 PM EDT, 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 324 PM EDT WED MAY 9 2012 GAZ100-101-114>116-118-138-092015- BULLOCH-EFFINGHAM-EVANS-INLAND BRYAN-INLAND CHATHAM-INLAND LIBERTY-TATTNALL- 324 PM EDT WED MAY 9 2012 ...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF TATTNALL...EVANS... BULLOCH...EFFINGHAM...LIBERTY...BRYAN AND CHATHAM COUNTIES THROUGH 415 PM EDT... AT 321 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM...NEAR GROVELAND...MOVING EAST AT 40 MPH. SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE... BAY...BLITCHTON...BLOOMINGDALE...DAISY...DENMARK...EDEN...ELLABELL... GROVELAND...GUYTON...LANIER...MARLOW...MELDRIM...NEVILS...PEMBROKE... PINEORA...SPRINGFIELD AND STILSON... PREPARE NOW FOR THE FOLLOWING HAZARDS... GUSTY WINDS OF 40 TO 50 MPH... PRECAUTIONARY/PREPAREDNESS ACTIONS... A SEVERE THUNDERSTORM WATCH IS ALSO IN EFFECT. THUNDERSTORMS CAN PRODUCE LARGE HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES SUDDENLY...SOMETIMES WITH LITTLE OR NO WARNING. BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE READY TO ACT QUICKLY IF SEVERE WEATHER IS OBSERVED OR A WARNING IS ISSUED. BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH. BE READY TO TAKE IMMEDIATE ACTION IN CASE A SEVERE THUNDERSTORM WARNING IS ISSUED FOR YOUR LOCATION. && LAT...LON 3238 8129 3209 8125 3204 8189 3233 8182 TIME...MOT...LOC 1924Z 264DEG 34KT 3219 8173
Special weather statement, May 9, 3:25 PM EDT, 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
325 PM EDT WED MAY 9 2012
SCZ043>045-050-052-092000-
CHARLESTON-DORCHESTER-INLAND BERKELEY-INLAND COLLETON-TIDAL BERKELEY-
325 PM EDT WED MAY 9 2012
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF DORCHESTER...
CHARLESTON...BERKELEY AND COLLETON COUNTIES THROUGH 400 PM EDT...
AT 321 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS...ALONG A LINE EXTENDING FROM EADYTOWN TO NEW
HOPE TO PARKERS FERRY LANDING...MOVING EAST AT 30 MPH.
SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
ARCHDALE...BONNEAU...BONNEAU BEACH...CHARLESTON AIRPORT...COLLEGE
PARK...CROSS...CROWFIELD PLANTATION...DELEMAR CROSSROADS...DON HOLT
BRIDGE...EADYTOWN...GIVHANS...GOOSE CREEK...HANAHAN...I-26/I-526
INTERCHANGE...JEDBURG...KNIGHTSVILLE...LADSON...MAGNOLIA GARDENS...
MIDDLETON PLACE...MONCKS CORNER...NAVAL WEAPONS STATION CHARLESTON...
NORTHERN LAKE MOULTRIE...OLD SANTEE CANAL STATE PARK...PINOPOLIS...
SAINT STEPHEN...SANGAREE...SHADOWMOSS...SLANDS BRIDGE...SOUTHERN LAKE
MOULTRIE AND SUMMERVILLE...
PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS OF 40 TO 50 MPH...
DIME SIZE HAIL...
FREQUENT CLOUD TO GROUND LIGHTNING...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. IF
OUTDOORS...STAY AWAY FROM ISOLATED TALL OBJECTS. IF INDOORS...STAY
AWAY FROM WINDOWS AND DOORS. AVOID USING PLUMBING AND ELECTRICAL
APPLIANCES UNLESS IT IS AN EMERGENCY.
A SEVERE THUNDERSTORM WATCH IS ALSO IN EFFECT. THUNDERSTORMS CAN
PRODUCE LARGE HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES
SUDDENLY...SOMETIMES WITH LITTLE OR NO WARNING. BE ALERT FOR RAPIDLY
CHANGING WEATHER CONDITIONS AND BE READY TO ACT QUICKLY IF SEVERE
WEATHER IS OBSERVED OR A WARNING IS ISSUED.
BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH.
BE READY TO TAKE IMMEDIATE ACTION IN CASE A SEVERE THUNDERSTORM
WARNING IS ISSUED FOR YOUR LOCATION.
&&
LAT...LON 3310 7982 3282 8000 3284 8046 3314 8026
3346 8017 3346 8015 3348 8016 3350 8013
3351 8008 3350 7996 3344 7986 3341 7985
3338 7980 3338 7979 3333 7975
TIME...MOT...LOC 1925Z 273DEG 27KT 3343 8006 3313 8015
3284 8032Special weather statement, May 9, 3:37 PM EDT, 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
337 PM EDT WED MAY 9 2012
SCZ044-050-092000-
CHARLESTON-DORCHESTER-
337 PM EDT WED MAY 9 2012
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF DORCHESTER AND
CHARLESTON COUNTIES THROUGH 400 PM EDT...
AT 334 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS...ALONG A LINE EXTENDING FROM CAPWELLS
CROSSROADS TO 10 MILES SOUTHWEST OF ADAMS RUN...MOVING EAST AT 30
MPH.
SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
ADAMS RUN...BEARS BLUFF...EDISTO ISLAND...HOLLYWOOD...JOHNS ISLAND...
MEGGETT...RAVENEL...ROCKVILLE...SEABROOK ISLAND...WADMALAW ISLAND AND
YONGES ISLAND...
PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS OF 40 TO 50 MPH...
DIME SIZE HAIL...
FREQUENT CLOUD TO GROUND LIGHTNING...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A SEVERE THUNDERSTORM WATCH IS ALSO IN EFFECT. THUNDERSTORMS CAN
PRODUCE LARGE HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES
SUDDENLY...SOMETIMES WITH LITTLE OR NO WARNING. BE ALERT FOR RAPIDLY
CHANGING WEATHER CONDITIONS AND BE READY TO ACT QUICKLY IF SEVERE
WEATHER IS OBSERVED OR A WARNING IS ISSUED.
&&
LAT...LON 3255 8019 3255 8020 3252 8024 3253 8026
3251 8032 3253 8032 3253 8035 3250 8033
3250 8036 3254 8039 3284 8039 3283 7999
TIME...MOT...LOC 1937Z 251DEG 27KT 3284 8022 3262 8043The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 12:53 PM EDT | Special Weather Statement | CHS | Allendale | 37 min |
| May 9, 1:31 PM EDT | Special Weather Statement | CHS | Allendale, Hampton | 44 min |
| May 9, 2:06 PM EDT | Special Weather Statement | CHS | Berkeley | 39 min |
| May 9, 2:10 PM EDT | Special Weather Statement | CHS | Hampton | 35 min |
| May 9, 2:46 PM EDT | Special Weather Statement | CHS | Colleton, Dorchester | 44 min |
| May 9, 2:50 PM EDT | Special Weather Statement | CHS | Hampton, Jasper | 40 min |
| May 9, 3:12 PM EDT | Special Weather Statement | CHS | Beaufort | 33 min |
| May 9, 3:18 PM EDT | Severe Thunderstorm Warning | CHS | Beaufort, Colleton, Jasper | 57 min |
| May 9, 3:25 PM EDT | Special Weather Statement | CHS | Berkeley | 35 min |
| May 9, 3:37 PM EDT | Special Weather Statement | CHS | Charleston | 23 min |
| May 9, 4:14 PM EDT | Areal Flood Advisory | CHS | Beaufort, Jasper | 91 min |
| May 9, 4:40 PM EDT | Severe Thunderstorm Warning | CHS | Beaufort, Colleton, Jasper | 38 min |
| May 9, 6:19 PM EDT | Special Weather Statement | CHS | Hampton | 26 min |
| May 9, 6:41 PM EDT | Special Weather Statement | CHS | Colleton | 34 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2012Every severe thunderstorm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.