Alert archive / North Carolina / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 98, NWS Raleigh, NC

July 17, 2013Anson County, Richmond County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jul 17, 2013, 1:27 PM EDT for Anson County, Richmond County, North Carolina. It was in force for 48 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 17, 2013, 1:27 PM EDT (17:27 UTC)
Expired: Jul 17, 2013, 2:15 PM EDT
In force: 48 min
Issued by: NWS Raleigh, NC
Area: Storm-based polygon

Counties Anson County, NC, Richmond County, NC

The radar

The Raleigh/Durham radar (KRAX), 150 km from the middle of the area, began a volume at 17:30 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 12:00Z, 5.5 hours before the alert went out and 121 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: 2157 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 1038 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 52 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 17, 11:15 AM EDT, 2 hours 12 minutes earlier.

Area forecast discussion, Jul 17, 11:15 AM EDT, 2 hours 12 minutes before

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Hazardous weather outlook, Jul 17, 5:38 AM EDT, 7 hours 49 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RALEIGH NC
538 AM EDT WED JUL 17 2013

NCZ021>025-038>042-073>078-083>086-088-089-180945-
FORSYTH-GUILFORD-ALAMANCE-ORANGE-DURHAM-DAVIDSON-RANDOLPH-CHATHAM-
WAKE-JOHNSTON-STANLY-MONTGOMERY-MOORE-LEE-HARNETT-WAYNE-ANSON-
RICHMOND-SCOTLAND-HOKE-CUMBERLAND-SAMPSON-
538 AM EDT WED JUL 17 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

SCATTERED STRONG STORMS ARE POSSIBLE THIS AFTERNOON INTO EARLY
EVENING. THESE STORMS WILL BE CAPABLE OF PRODUCING HALF INCH
DIAMETER HAIL... WIND GUSTS OVER 45 MPH... AND FREQUENT CLOUD TO
GROUND LIGHTNING.

IN ADDITION... HOT TEMPERATURES AND HIGH HUMIDITY LEVELS WILL
PUSH HEAT INDEX VALUES TO AROUND 100 DEGREES OVER MUCH OF
CENTRAL NORTH CAROLINA THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

HEAT INDEX VALUES WILL AGAIN APPROACH 100 DEGREES ACROSS CENTRAL
NORTH CAROLINA ON THURSDAY.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE ENCOURAGED TO REPORT ANY SEVERE OR SIGNIFICANT
WEATHER IMMEDIATELY TO THE NATIONAL WEATHER SERVICE.

NCZ007>011-026>028-043-180945-
PERSON-GRANVILLE-VANCE-WARREN-HALIFAX-FRANKLIN-NASH-EDGECOMBE-WILSON-
538 AM EDT WED JUL 17 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

HOT TEMPERATURES AND HIGH HUMIDITY LEVELS WILL PUSH HEAT INDEX
VALUES TO AROUND 100 DEGREES OVER MUCH OF CENTRAL NORTH CAROLINA
THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

HEAT INDEX VALUES WILL AGAIN APPROACH 100 DEGREES ACROSS CENTRAL
NORTH CAROLINA ON THURSDAY.

In the hours before

Special weather statement, Jul 17, 7:56 AM EDT, 5 hours 31 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
756 AM EDT WED JUL 17 2013

NCZ089-171300-
SAMPSON-
756 AM EDT WED JUL 17 2013

...A STRONG THUNDERSTORM WILL MOVE ACROSS SOUTHERN SAMPSON COUNTY
THROUGH 900 AM EDT...

AT 755 AM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM ABOUT
5 MILES SOUTH OF CLINTON...MOVING SOUTH AT 15 MPH.

SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...IVANHOE...HARRELLS.

HAZARDS INCLUDE...
PEA SIZE HAIL.
GUSTY WINDS OF 30 TO 40 MPH.
DEADLY CLOUD TO GROUND LIGHTNING.

THIS THUNDERSTORM IS PRODUCING AN EXCESSIVE AMOUNT OF DEADLY CLOUD TO
GROUND LIGHTNING. SEEK SHELTER INDOORS AND STAY AWAY FROM WINDOWS. IF
YOU CANNOT SEEK SHELTER INDOORS...AN ENCLOSED VEHICLE CAN PROVIDE
SAFE SHELTER. DEADLY LIGHTNING STRIKES CAN OCCUR WELL AHEAD OF AN
APPROACHING STORM...PRIOR TO THE ARRIVAL OF RAIN AND WIND.

&&

LAT...LON 3461 7832 3467 7833 3470 7838 3474 7839
      3480 7845 3488 7844 3487 7815 3474 7819
      3472 7814 3472 7811 3471 7811 3468 7815
      3455 7825
TIME...MOT...LOC 1155Z 001DEG 16KT 3464 7827

13

Special weather statement, Jul 17, 8:43 AM EDT, 4 hours 44 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
843 AM EDT WED JUL 17 2013

NCZ085-086-171345-
HOKE-SCOTLAND-
843 AM EDT WED JUL 17 2013

...A STRONG THUNDERSTORM WILL MOVE WEST ACROSS SCOTLAND AND HOKE
COUNTIES THROUGH 945 AM EDT...

AT 842 AM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
RAEFORD...MOVING WEST AT 15 MPH.

SOME LOCATIONS AFFECTED BY THIS STORM
INCLUDE...RAEFORD...WAGRAM...CAMP MACKALL.

HAZARDS INCLUDE...
DEADLY CLOUD TO GROUND LIGHTNING.
PEA SIZE HAIL.
GUSTY WINDS OF 30 TO 40 MPH.

SEEK SHELTER IN A NEARBY BUILDING OR VEHICLE. WIND GUSTS AS HIGH AS
40 MPH ARE CAPABLE OF KNOCKING DOWN TREE LIMBS AND BLOWING AROUND
TRASH CANS...POTTED PLANTS...LAWN FURNITURE AND OTHER LIGHT OUTDOOR
OBJECTS.

THIS THUNDERSTORM IS PRODUCING AN EXCESSIVE AMOUNT OF DEADLY CLOUD TO
GROUND LIGHTNING. SEEK SHELTER INDOORS AND STAY AWAY FROM WINDOWS. IF
YOU CANNOT SEEK SHELTER INDOORS...AN ENCLOSED VEHICLE CAN PROVIDE
SAFE SHELTER. DEADLY LIGHTNING STRIKES CAN OCCUR WELL AHEAD OF AN
APPROACHING STORM...PRIOR TO THE ARRIVAL OF RAIN AND WIND.

&&

LAT...LON 3476 7952 3499 7958 3502 7952 3509 7915
      3490 7910 3484 7918 3483 7923 3483 7934
      3480 7935
TIME...MOT...LOC 1242Z 080DEG 15KT 3496 7932

13

Local storm report, Jul 17, 10:13 AM EDT, 3 hours 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
1013 AM EDT WED JUL 17 2013

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

1230 AM     TSTM WND DMG     PINETOPS                35.79N  77.64W
07/17/2013                   EDGECOMBE          NC   LAW ENFORCEMENT

            TREES DOWN ON FIRST STREET AND ERWIN STREET. LIGHTNING
            KNOCKED OUT POWER TO THE ENTIRE TOWN

&&

EVENT NUMBER RAH1300850

MLM

Special weather statement, Jul 17, 1:00 PM EDT, 27 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
100 PM EDT WED JUL 17 2013

NCZ083>085-171800-
ANSON-RICHMOND-SCOTLAND-
100 PM EDT WED JUL 17 2013

...STRONG THUNDERSTORMS WILL MOVE WEST ACROSS SCOTLAND...RICHMOND
AND ANSON COUNTIES THROUGH 200 PM EDT...

AT 1257 PM EDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS
STRETCHING FROM WAGRAM AND LAURINBURG WEST ALONG INTERSTATE 74 TO TO
ROCKINGHAM. THESE STORMS WERE MOVING WEST AT 15 MPH.

LOCATIONS IN THE PATH OF THESE STORMS INCLUDE LAURINBURG...EAST
ROCKINGHAM...AND...ROCKINGHAM...LILESVILLE...WADESBORO.

HAZARDS INCLUDE...
HEAVY DOWNPOURS AND MINOR FLOODING.
PEA SIZE HAIL.
GUSTY WINDS OF 30 TO 40 MPH.
DEADLY CLOUD TO GROUND LIGHTNING.

THESE THUNDERSTORMS WILL PRODUCE AN EXCESSIVE AMOUNT OF DEADLY CLOUD
TO GROUND LIGHTNING. SEEK SHELTER INDOORS AND STAY AWAY FROM WINDOWS.
IF YOU CANNOT SEEK SHELTER INDOORS...AN ENCLOSED VEHICLE CAN PROVIDE
SAFE SHELTER. DEADLY LIGHTNING STRIKES CAN OCCUR WELL AHEAD OF AN
APPROACHING STORM...PRIOR TO THE ARRIVAL OF RAIN AND WIND.

&&

LAT...LON 3480 7968 3481 8011 3514 8008 3498 7938
      3491 7935 3485 7934 3482 7935 3477 7933
      3473 7936 3472 7958
TIME...MOT...LOC 1657Z 079DEG 12KT 3486 7969

13

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 16, 8:20 PM EDT	Special Weather Statement	RAH	Durham	55 min
Jul 16, 8:22 PM EDT	Areal Flood Advisory	RAH	Chatham, Wake	98 min
Jul 16, 8:32 PM EDT	Special Weather Statement	RAH	Chatham	58 min
Jul 16, 10:37 PM EDT	Special Weather Statement	RAH	Warren	53 min
Jul 16, 11:26 PM EDT	Special Weather Statement	RAH	Edgecombe, Halifax, Nash	64 min
Jul 16, 11:29 PM EDT	Severe Thunderstorm Warning	RAH	Edgecombe, Halifax, Nash	46 min
Jul 17, 12:09 AM EDT	Severe Thunderstorm Warning	RAH	Edgecombe, Wilson	51 min
Jul 17, 4:42 AM EDT	Special Weather Statement	RAH	Cumberland	63 min
Jul 17, 7:56 AM EDT	Special Weather Statement	RAH	Bladen	64 min
Jul 17, 8:06 AM EDT	Severe Thunderstorm Warning	RAH	Sampson	24 min
Jul 17, 8:43 AM EDT	Special Weather Statement	RAH	Hoke, Scotland	62 min
Jul 17, 1:00 PM EDT	Special Weather Statement	RAH	Richmond, Scotland	60 min
Jul 17, 1:18 PM EDT	Areal Flood Advisory	RAH	Anson, Richmond, Scotland	102 min
Jul 17, 2:11 PM EDT	Flash Flood Warning	RAH	Anson, Richmond	3 hr
Jul 17, 2:14 PM EDT	Severe Thunderstorm Warning	RAH	Anson, Richmond	61 min
Jul 17, 2:38 PM EDT	Special Weather Statement	RAH	Scotland	52 min
Jul 17, 2:55 PM EDT	Severe Thunderstorm Warning	RAH	Richmond, Scotland	50 min
Jul 17, 3:36 PM EDT	Special Weather Statement	RAH	Stanly	54 min
Jul 17, 4:19 PM EDT	Special Weather Statement	RAH	Davidson	56 min
Jul 17, 4:25 PM EDT	Special Weather Statement	RAH	Stanly	35 min
Jul 17, 4:44 PM EDT	Special Weather Statement	RAH	Davidson	31 min
Jul 17, 5:21 PM EDT	Special Weather Statement	RAH	Stanly	54 min
Jul 17, 7:08 PM EDT	Special Weather Statement	RAH	Sampson	67 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2013 Every severe thunderstorm warning in 2013

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.