Alert archive / North Carolina / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 235, NWS Raleigh, NC

July 27, 2009Anson County, Stanly County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jul 27, 2009, 10:53 PM EDT for Anson County, Stanly County, North Carolina. It was in force for 19 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 27, 2009, 10:53 PM EDT (02:53 UTC)
Expired: Jul 27, 2009, 11:12 PM EDT
In force: 19 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon

Counties Anson County, NC, Stanly County, NC

The radar

The Columbia radar (KCAE), 158 km from the middle of the area, began a volume at 02:54 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.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 2.9 hours before the alert went out and 107 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 990 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 1162 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 41 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Raleigh, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 27, 10:07 PM EDT, 46 minutes earlier.

Area forecast discussion, Jul 27, 10:07 PM EDT, 46 minutes before

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Hazardous weather outlook, Jul 27, 7:00 PM EDT, 3 hours 53 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RALEIGH NC
700 PM EDT MON JUL 27 2009

NCZ007>011-021>028-038>043-073>078-083>086-088-089-282300-
PERSON-GRANVILLE-VANCE-WARREN-HALIFAX-FORSYTH-GUILFORD-ALAMANCE-
ORANGE-DURHAM-FRANKLIN-NASH-EDGECOMBE-DAVIDSON-RANDOLPH-CHATHAM-WAKE-
JOHNSTON-WILSON-STANLY-MONTGOMERY-MOORE-LEE-HARNETT-WAYNE-ANSON-
RICHMOND-SCOTLAND-HOKE-CUMBERLAND-SAMPSON-
700 PM EDT MON JUL 27 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA.

.DAY ONE...THROUGH TONIGHT.

THERE REMAINS A SLIGHT RISK OF A FEW ISOLATED SEVERE THUNDERSTORMS
THIS EVENING MAINLY IN AREAS OVER THE NORTHWEST PIEDMONT. THE MAIN
THREAT FROM THUNDERSTORMS WILL BE DAMAGING DOWNBURST WINDS IN
EXCESS OF 60 MPH AND HAIL UP TO THE SIZE OF NICKELS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE ENCOURAGED TO REPORT ANY SEVERE OR
SIGNIFICANT WEATHER ASSOCIATED WITH THESE STORMS.

In the hours before

Special weather statement, Jul 27, 7:28 PM EDT, 3 hours 25 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
728 PM EDT MON JUL 27 2009

NCZ022>024-038>040-073>075-083-084-280030-
ALAMANCE-ANSON-CHATHAM-DAVIDSON-GUILFORD-MONTGOMERY-MOORE-ORANGE-
RANDOLPH-RICHMOND-STANLY-
728 PM EDT MON JUL 27 2009

...STRONG THUNDERSTORMS WILL MOVE EAST THROUGH THE WESTERN AND
SOUTHERN PIEDMONT THROUGH 900 PM...

AT 726 PM EDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM BURLINGTON TO STANFIELD...OR ALONG A LINE
EXTENDING FROM BURLINGTON TO 15 MILES NORTH OF MONROE...MOVING EAST
AT 25 MPH.

LOCATIONS IN THE PATH OF THESE STORMS INCLUDE HAW RIVER... ULAH...
MEBANE... RAMSEUR... STALEY... ASHEBORO... ALBEMARLE... AND SNOW
CAMP.

GUSTY WINDS UP TO 45 MPH... SMALL HAIL... AND DEADLY CLOUD-TO-GROUND
LIGHTNING CAN BE EXPECTED WITH THESE STORMS. TORRENTIAL DOWNPOURS
ARE ALSO LIKELY... WITH RAINFALL UP TO AN INCH IN JUST 30 MINUTES.
IF YOU ARE IN THE PATH OF THESE STORMS... GO INDOORS TO A SAFE
BUILDING... AND STAY AWAY FROM WINDOWS UNTIL THE STORMS HAVE PASSED.

GIH

Local storm report, Jul 27, 8:49 PM EDT, 2 hours 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
849 PM EDT MON JUL 27 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0820 PM     TSTM WND DMG     2 N ALBEMARLE           35.39N 80.19W
07/27/2009                   STANLY             NC   LAW ENFORCEMENT

            TREES DOWN ALONG HIGHWAY 52 FROM JUST NORTH OF ALBEMARLE
            TO NEAR NEW LONDON. ONE TREE BEING REPORTED ON A HOUSE
            JUST NORTH OF ALBEMARLE.

&&

ORROCK

Special weather statement, Jul 27, 9:38 PM EDT, 1 hour 15 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
938 PM EDT MON JUL 27 2009

NCZ039-040-073>076-083-084-280245-
ANSON-CHATHAM-LEE-MONTGOMERY-MOORE-RANDOLPH-RICHMOND-STANLY-
938 PM EDT MON JUL 27 2009

...STRONG THUNDERSTORMS PRODUCING STRONG WIND GUSTS AND NEARLY
CONTINUOUS LIGHTNING WILL MOVE ACROSS
RICHMOND...RANDOLPH...CHATHAM...LEE...MOORE...MONTGOMERY...STANLY
AND ANSON COUNTIES THROUGH 1045 PM...

AT 937 PM...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS OVER MUCH
OF THE WESTERN AND SOUTHERN PIEDMONT... MOVING INTO THE WESTERN
SANDHILLS. THE STORMS WERE LOCATED ALONG A LINE FROM AROUND RAMSEUR
SOUTHWEST TO STANFIELD... MOVING EAST AT 15 MPH.

LOCATIONS IN THE PATH OF THESE STORMS INCLUDE ALBEMARLE... BADIN...
STALEY... PEACHLAND... OAKBORO... SEAGROVE...AND SILER CITY.

STRONG WIND GUSTS OF 40 TO 50 MPH CAN BE EXPECTED WITH THESE STORMS.
THESE WINDS ARE CAPABLE OF BRINGING DOWN LARGE TREE LIMBS. ALSO...
NEARLY CONTINUOUS DEADLY CLOUD-TO-GROUND LIGHTNING IS LIKELY. PEOPLE
IN THE PATH OF THESE STORMS SHOULD STAY INDOORS AND AWAY FROM
ELECTRICAL APPLIANCES AND CORDED COMPUTERS. STAY OFF CORDED PHONES
AS WELL... AS LIGHTNING CAN TRAVEL THROUGH TELEPHONE WIRES.

GIH

Local storm report, Jul 27, 9:56 PM EDT, 57 minutes before

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Local storm report, Jul 27, 10:24 PM EDT, 29 minutes before

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Local storm report, Jul 27, 10:40 PM EDT, 13 minutes before

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The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 27, 8:04 PM EDT	Severe Thunderstorm Warning	RAH	Davidson, Montgomery, Randolph, Stanly	56 min
Jul 27, 8:28 PM EDT	Severe Thunderstorm Warning	RAH	Davidson, Montgomery, Moore, Randolph	62 min
Jul 27, 9:08 PM EDT	Areal Flood Advisory	RAH	Davidson	112 min
Jul 27, 9:26 PM EDT	Areal Flood Advisory	RAH	Anson, Stanly	6 days
Jul 27, 9:51 PM EDT	Flash Flood Warning	RAH	Stanly	3 hr
Jul 28, 12:05 AM EDT	Severe Thunderstorm Warning	RAH	Anson	40 min
Jul 28, 6:33 PM EDT	Severe Thunderstorm Warning	RAH	Hoke, Moore	57 min
Jul 28, 6:43 PM EDT	Severe Thunderstorm Warning	RAH	Chatham, Lee, Wake	62 min
Jul 28, 7:05 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland, Harnett, Lee	55 min
Jul 28, 7:08 PM EDT	Severe Thunderstorm Warning	RAH	Durham, Franklin, Granville, Wake	82 min
Jul 28, 7:56 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland, Harnett, Sampson	56 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2009 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.