Alert archive / South Carolina / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 61, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Jun 1, 2009, 8:36 PM EDT for 4 counties in South Carolina. It was in force for 54 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
- Jun 1, 2009, 8:36 PM EDT (00:36 UTC)
- Expired
- Jun 1, 2009, 9:30 PM EDT
- In force
- 54 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
Counties Calhoun County, SC, Clarendon County, SC, Orangeburg County, SC, Sumter County, SC
The radar
The Columbia radar (KCAE), 54 km from the middle of the area, began a volume at 00:36 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 |
|---|---|---|---|
| Jun 1, 9:02 PM EDT | TSTM WND DMG | 2 Se St. Matthews, SC | CALHOUN COUNTY HIGHWAY MAINTENANCE REPORTED TREES DOWN ALONG US HIGHWAY 176. |
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 26 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 nearest sounding before it
Charleston AFB, SC (KCHS), launched 00:00Z, 0.6 hours before the alert went out and 105 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
- 1322 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1483 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS52 KCAE 020036
SVRCAE
SCC017-027-075-085-020130-
/O.NEW.KCAE.SV.W.0061.090602T0036Z-090602T0130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
836 PM EDT MON JUN 1 2009
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN SUMTER COUNTY IN CENTRAL SOUTH CAROLINA
WESTERN CLARENDON COUNTY IN CENTRAL SOUTH CAROLINA
EASTERN CALHOUN COUNTY IN CENTRAL SOUTH CAROLINA
NORTHERN ORANGEBURG COUNTY IN CENTRAL SOUTH CAROLINA
* UNTIL 930 PM EDT
* AT 836 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS
STORM WAS LOCATED NEAR ST. MATTHEWS...OR ABOUT 12 MILES NORTHEAST
OF BROOKDALE...AND MOVING EAST AT 5 MPH.
* SOME COMMUNITIES IN THE WARNING AREA INCLUDE ST. MATTHEWS AND
ELLOREE
REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE IN COLUMBIA TOLL FREE
AT 1 800 7 7 5 7 1 9 9.
LAT...LON 3347 8048 3358 8086 3376 8081 3376 8073
3376 8072 3376 8064 3374 8062 3374 8061
3376 8060 3375 8040
TIME...MOT...LOC 0036Z 281DEG 7KT 3367 8074
$$
HCWhat 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 Columbia, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 1, 3:33 PM EDT, 5 hours 3 minutes earlier.
Area forecast discussion, Jun 1, 3:33 PM EDT, 5 hours 3 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE COLUMBIA SC 333 PM EDT MON JUN 1 2009 .SYNOPSIS... WEAK HIGH PRESSURE WILL REMAIN OVER THE REGION THROUGH MID WEEK WHEN LOW PRESSURE AND A COLD FRONT WILL APPROACH FROM THE WEST. THIS WILL RESULT IN INCREASING CHANCE OF SHOWERS THROUGH THE WEEK. && .NEAR TERM /THROUGH TONIGHT/... WEAK HIGH PRESSURE IN CONTROL OF THE REGION WITH SATELLITE IMAGERY SHOWING DEVELOPING CUMULUS. CAE WSR-88D INDICATES A FEW WIDELY SCATTERED RAIN SHOWERS IN THE EASTERN MIDLANDS WITH A FEW THUNDERSTORMS CLOSER TO THE COAST. EXPECT THE WIDELY SCATTERED SHOWERS TO CONTINUE THROUGH THE AFTERNOON HOURS AND TAPER OFF THIS EVENING. OVERNIGHT EXPECT A BIT MORE CLOUDS OVER THE EASTERN MIDLANDS WITH MOSTLY CLEAR ELSEWHERE AND TEMPERATURES IN THE MIDDLE 60S. && .SHORT TERM /TUESDAY THROUGH WEDNESDAY NIGHT/... TUESDAY AND TUESDAY NIGHT THE SITUATION WILL REMAIN STATUS QUO AS HIGH PRESSURE REMAINS OVER THE REGION. LIGHT SOUTHERLY WINDS ACROSS THE AREA WILL KEEP CONDITIONS SEASONABLY WARM...HOWEVER WITH SOME DRIER AIR THROUGH THE COLUMN LIMITING PWAT VALUES THE THREAT OF SHOWERS AND THUNDERSTORMS WILL BE HELD IN CHECK. ON WEDNESDAY THE SCENARIO WILL CHANGE AS LOW PRESSURE AND A COLD FRONT SLOWLY APPROACH FROM THE WEST. THIS WILL INCREASE THE SOUTHERLY WINDS AND BEGIN ADDING MOISTURE TO THE COLUMN...HOWEVER WITH A MID-LEVEL CAP EXPECTED WEDNESDAY AFTERNOON WILL SUPPRESS CONVECTIVE ACTIVITY. WEDNESDAY NIGHT THE FRONT WILL EDGE CLOSER TO THE REGION WITH CLOUD COVER INCREASING...HOWEVER BELIEVE ANY SHOWER/THUNDERSTORM ACTIVITY WILL HOLD OFF UNTIL THURSDAY. && .LONG TERM /THURSDAY THROUGH MONDAY/... MODELS REMAIN IN GOOD AGREEMENT WITH THE LOW PRESSURE AND COLD FRONT MOVING INTO THE REGION ON THURSDAY AND THE FRONT STALLING JUST EAST OF THE AREA ON FRIDAY. THIS WILL KEEP CHANCES OF SHOWERS AND THUNDERSTORMS IN THE FORECAST THROUGH THE WEEKEND. MAIN CHANGES TO THE LONG TERM FOCUS ON TEMPERATURES WHICH SHOULD BE A FEW DEGREES COOLER FOR THE WEEKEND AS SLIGHTLY DRIER AIR WILL MOVE INTO THE AREA. && .AVIATION /18Z MONDAY THROUGH SATURDAY/... WEAK AND RATHER STATIONARY FRONTAL BOUNDARY CURRENTLY SITUATED ACROSS THE CWA THIS AFTERNOON. BEST MOISTURE AND INSTABILITY REMAINS GENERALLY JUST OFF TO THE SOUTH AND EAST OF BOTH AUGUSTA AND COLUMBIA. VFR CONDITIONS ARE EXPECTED THIS TAF PERIOD...WITH AFTERNOON TOWERING CU FIELDS GENERALLY AROUND 6KFT. DUE TO CLOSENESS OF FRONT...AND POSSIBLE SEA-BREEZE INTERACTIONS LATE THIS AFTERNOON...CAN NOT COMPLETELY RULE OUT A SHOWER THIS AFTERNOON AT ANY OF THE SITES. CONFIDENCE NOT TOO HIGH HOWEVER. WIND FIELDS SHOULD REMAIN QUITE VARIABLE THIS AFTERNOON AND OVERNIGHT. SHOULD BECOME MORE SOUTHERLY ON TUESDAY. NO SIGNIFICANT IMPACTS EXPECTED DURING THE OUTLOOK PERIOD. && .CAE WATCHES/WARNINGS/ADVISORIES... SC...NONE. GA...NONE. &&
Hazardous weather outlook, Jun 1, 5:37 AM EDT, 14 hours 59 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 537 AM EDT MON JUN 1 2009 GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-020945- LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD- MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON- RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON- BAMBERG- 537 AM EDT MON JUN 1 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT ISOLATED TO WIDELY SCATTERED AFTERNOON AND EVENING PULSE TYPE THUNDERSTORMS ARE EXPECTED. A FEW OF THESE STORMS MAY PRODUCE STRONG WINDS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Local storm report, Jun 1, 6:43 PM EDT, 1 hour 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
643 PM EDT MON JUN 01 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0640 PM HAIL BISHOPVILLE 34.22N 80.25W
06/01/2009 E1.00 INCH LEE SC TRAINED SPOTTER
&&
HCLocal storm report, Jun 1, 7:00 PM EDT, 1 hour 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
700 PM EDT MON JUN 01 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0653 PM HAIL BISHOPVILLE 34.22N 80.25W
06/01/2009 E0.75 INCH LEE SC PUBLIC
&&
HCLocal storm report, Jun 1, 7:41 PM EDT, 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
741 PM EDT MON JUN 01 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0734 PM HAIL 6 S SUMTER 33.86N 80.39W
06/01/2009 E1.00 INCH SUMTER SC PUBLIC
&&
HCLocal storm report, Jun 1, 7:44 PM EDT, 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
744 PM EDT MON JUN 01 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0735 PM HAIL 6 S SUMTER 33.86N 80.39W
06/01/2009 E1.00 INCH SUMTER SC LAW ENFORCEMENT
SEVERAL REPORTS OF QUARTER SIZE HAIL COVERING THE GROUND
IN THE VICINITY OF HWY 15 AND BETHEL CHURCH ROAD.
&&
HCLocal storm report, Jun 1, 8:08 PM EDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
808 PM EDT MON JUN 01 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0740 PM HAIL 2 W SUMTER 33.94N 80.43W
06/01/2009 E1.00 INCH SUMTER SC PUBLIC
&&
HCLocal storm report, Jun 1, 8:10 PM EDT, 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
810 PM EDT MON JUN 01 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0729 PM HAIL BISHOPVILLE 34.22N 80.25W
06/01/2009 E0.75 INCH LEE SC PUBLIC
&&
HCThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 8:30 PM EDT | Severe Thunderstorm Warning | CAE | Calhoun, Lexington, Richland | 60 min |
| Jun 1, 8:34 PM EDT | Areal Flood Advisory | CAE | Bamberg, Calhoun, Fairfield, Kershaw, Lancaster, Lexington and 3 more | 207 days |
| Jun 1, 8:46 PM EDT | Severe Thunderstorm Warning | CAE | Barnwell | 59 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.