Severe Thunderstorm Warning 77, NWS Columbia, SC

Issued

Jul 4, 2002, 3:34 PM EDT (19:34 UTC)

Expired

Jul 4, 2002, 4:00 PM EDT

In force

26 min

Issued by

NWS Columbia, SC

Area

Counties, with a storm outline in the text

County Lancaster County, SC

The Columbia radar (KCAE), 133 km from the middle of the area, began a volume at 19:34 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.

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.

826 
WUUS52 KCAE 041934
SVRCAE
SCC057-042000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
332 PM EDT THU JUL 4 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
    NORTHERN LANCASTER COUNTY IN CENTRAL SOUTH CAROLINA

* UNTIL 400 PM EDT.

* AT 330 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER UNION COUNTY..MOVING SOUTHWEST AT 20 MPH.

THIS STORM WILL PRODUCE DAMAGING WINDS IN EXCESS OF 55 MPH AND DIME
SIZE HAIL.

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...    
  HANCOCK
  VAN WYCK 


LAT...LON 3505 8092 3492 8077 3516 8043 3532 8062

AWP

NWS Columbia, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 4, 2:40 PM EDT, 54 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE COLUMBIA SC
240 PM EDT THU JUL 4 2002

LEE SIDE TROUGH OVER THE AREA THROUGH FRIDAY. STILL HAZY AND HOT.
WEAK BACKDOOR FRONT PUSHES INTO THE AREA FRIDAY NIGHT AND SATURDAY
SHOULD COOL TEMPERATURES BACK TO NORMAL. FRONT WASHES OUT AS WEAK
HIGH PRESSURE BECOMES DOMINATE SUNDAY AND MONDAY.

UPPER TROUGH AMPLIFIES OVER THE NORTHEAST FRIDAY AND SATURDAY.
RIDGE OVER THE CENTRAL U.S. BUILDS INTO THE SOUTHEASTERN STATES.
WITH LITTLE OR NO UPPER SUPPORT FRIDAY AND AIRMASS STILL HOT AND
UNSTABLE ...PLAN TO KEEP A SLIGHT CHANCE OF AFTERNOON CONVECTION.
WEAKENING FRONT IN THE AREA FRIDAY NIGHT AND SATURDAY, SO WILL KEEP
LOW POPS IN THE FORECAST.

EXTENDED DISCUSSION:
UPPER RIDGE OVER THE AREA SUNDAY AND MONDAY. TROUGH OVER THE
NORTHEAST DEEPENS ACROSS THE EASTERN PART OF THE NATION TUESDAY
THROUGH THURSDAY. SURFACE FRONT APPROACHING FROM THE NORTH WEDNESDAY
SHOULD MOVE THROUGH ABOUT THURSDAY. TEMPS SEASONABLE WITH CHANCE OF
PRECIP TUESDAY THROUGH THURSDAY.

FCSTID = 10
CAE   72  97  73  93 /  20  20  30  20
AGS   68  96  70  93 /  20  20  30  20
SSC   72  97  72  93 /  20  20  30  20
OGB   72  97  73  94 /  20  20  30  20

.CAE...
GA...NONE.
SC...NONE.

LM

In the hours before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA, SC
250 PM EDT THU JUL 04 2002

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

235 PM     SUMMERTON                 SC   .75 INCH HAIL
07/04/02   CLARENDON                      SHERIFF REPORTED 3/4 INCH
                                          HAIL

SJN

Severe Thunderstorm Warnings in South Carolina, 2002Every severe thunderstorm warning in 2002

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.