-------- Original Message --------
Date: Sat, 2 Jun 2001 12:30:03 -0400
From: WeatherMatrix Member "William N. Harrell, Jr."
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Special Bulletin that came downline at 130pm from National Severe
Storms
Forecast Center
ACUS3 KMKC 011732
SWOMCD
MKC MCD 011731
NCZ000-SCZ000-01845-
SPC MESOSCALE DISCUSSION 0984 FOR CENTRAL/ERN NC AND ERN SC
CONCERNING...SEVERE THUNDERSTORM WATCH 343...
SUPERCELL THUNDERSTORM MOVING TOWARDS THE METRO RALEIGH AREA
PRESENTLY. THERE WILL BE AN ENHANCED THREAT OF LARGE HAIL AND
POSSIBLY A BRIEF TORNADO WITH THIS CELL DURING THE NEXT HOUR AS IT
MOVES ACROSS WAKE COUNTY. OTHER SEVERE THUNDERSTORMS CONTINUE TO
DEVELOP OVER WW 343...AND WILL CONTINUE TO LIKELY PRODUCE LARGE
HAIL AND DAMAGING WINDS.
LATEST 88-D IMAGERY OUT OF RALEIGH INDICATES A SUPERCELL
THUNDERSTORM EXHIBITING A WELL DEFINED HOOK ECHO NEAR THE
CHATHAM/WAKE COUNTY BORDER...MOVING NEWD AROUND 25 KTS. PRESENT
STORM MOTION WOULD TAKE THIS STORM OVER THE SRN PORTION OF THE
METRO RALEIGH AREA. LATEST SURFACE MAP INDICATES A LOCAL
BACKING/STRENGTHENING OF WINDS OUT AHEAD OF THIS CELL AND OTHER
NEWLY DEVELOPED CELLS OVER SERN/SCENTRAL NORTH CAROLINA. IMPUTING
ABOVE MENTIONED STORM MOTIONS WITH LATEST VWP OUT OF RALEIGH GIVES
0-3 KM SRH AROUND 140 M2/S2. THUS...AN ENHANCED THREAT OF LARGE
HAIL/DAMAGING WINDS APPEARS LIKELY ACROSS THE AREA...ESPECIALLY
WITH THE SUPERCELL THAT WILL MOVE THROUGH WAKE COUNTY IN THE NEXT
HOUR. THERE IS ALSO A POSSIBILITY OF A BRIEF TORNADO WITHIN ANY
STORMS THAT BECOME SUPERCELLS...GIVEN THE STRENGTH OF THE 0-1 KM
SHEAR FAIRLY LOW LCL HEIGHTS.
..CROSBIE.. 06/01/01
...PLEASE SEE WWW.SPC.NOAA.GOV/ FOR GRAPHIC PRODUCT...
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--TORNADO WARNING FOR... WAKE COUNTY IN NORTH CAROLINA
* UNTIL 215 PM EDT
* AT 141 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 3 MILES SOUTH OF CARPENTER...OR ABOUT 4 MILES WEST OF CARY...MOVING NORTHEAST AT 30 MPH.
* SOME LOCATIONS IN THE PATH OF THIS TORNADO INCLUDE... APEX CARPENTER CARY MORRISVILLE RALEIGH RDU INTERNATIONAL AIRPORT
THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE.
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National Weather Service Comments this Saturday Morning: A series of strong storms rumbled through the Triangle on Friday afternoon, causing multiple vehicle wrecks and knocking out power to thousands of homes and businesses. The National Weather Service office in Raleigh said it received nearly a dozen reports of funnel clouds as the storms moved through the Capital City about 2:30 p.m., but there were no confirmed tornado touchdowns.
Forecasters said the Triangle was lucky.
"The radar showed more rotation, which is the best indicator of a tornado, than we have seen around here in a long time," said Kermit Keeter, a meteorologist at the NWS office in Raleigh. "There were lots of tornado circulations just a few hundred feet off the ground. If they had come down just a little more, we would have had an awful mess."
Doppler Image of Tornado above ground over Cary
Notice the well defined Hook Echo that is indicative of rotation. Fortunately for all, the major rotation never got down with 800 or so feel from the ground. An engineer with Time Warner was over on Blue Ridge road between Rex Hospital and the ESA/Carter Finley/Fairgrounds area. He saw 3 funnels lower from the wall cloud rotation and then ascend back up into the major rotation that moved from over Cary (between my house and downtown) and then up over the ESA area and then into N raleigh.
William N. Harrell, Jr. 1015 Climbing Rose Turn Cary, North Carolina 27511 wharrell{at}nc.rr.com
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