Alert archive / North Carolina / Special Weather Statements in 2011

Special Weather Statement, NWS Raleigh, NC

July 23, 20117 counties in North Carolina

NWS Raleigh, NC issued this special weather statement at Jul 23, 2011, 2:06 PM EDT for 7 counties in North Carolina. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 23, 2011, 2:06 PM EDT (18:06 UTC)
Expired: Jul 23, 2011, 3:00 PM EDT
In force: 54 min
Issued by: NWS Raleigh, NC

Counties Harnett County, NC, Hoke County, NC, Lee County, NC, Montgomery County, NC, Moore County, NC, Richmond County, NC, Scotland County, NC

The radar

The Raleigh/Durham radar (KRAX), 100 km from the middle of the area, began a volume at 18:06 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, 6.1 hours before the alert went out and 113 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: 1021 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 1247 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: -69 m²/s²
0-3 km storm-relative helicity: 4 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 23, 10:28 AM EDT, 3 hours 38 minutes earlier.

Area forecast discussion, Jul 23, 10:28 AM EDT, 3 hours 38 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Jul 23, 4:06 AM EDT, 10 hours before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RALEIGH NC
406 AM EDT SAT JUL 23 2011

NCZ008>011-024>028-040>043-073>078-083>086-088-089-240930-
GRANVILLE-VANCE-WARREN-HALIFAX-ORANGE-DURHAM-FRANKLIN-NASH-EDGECOMBE-
CHATHAM-WAKE-JOHNSTON-WILSON-STANLY-MONTGOMERY-MOORE-LEE-HARNETT-
WAYNE-ANSON-RICHMOND-SCOTLAND-HOKE-CUMBERLAND-SAMPSON-
406 AM EDT SAT JUL 23 2011

...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   EXCESSIVE HEAT WARNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

THE EXCESSIVE HEAT WARNING MAY NEED TO BE EXTENDED INTO SUNDAY AS
AFTERNOON TEMPERATURES NEAR OR JUST ABOVE 100 DEGREES COMBINED
WITH THE HUMIDITY WILL EQUATE TO HEAT INDICES NEAR 110 DEGREES.

NCZ007-021>023-038-039-240815-
PERSON-FORSYTH-GUILFORD-ALAMANCE-DAVIDSON-RANDOLPH-
406 AM EDT SAT JUL 23 2011

...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   HEAT ADVISORY.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

THE HEAT ADVISORY MAY NEED TO BE EXTENDED INTO SUNDAY AS AFTERNOON
TEMPERATURES IN THE MID 90S COMBINED WITH THE HUMIDITY WILL EQUATE
TO HEAT INDICES AROUND 105 DEGREES FOR A FEW HOURS.

In the hours before

Local storm report, Jul 23, 9:44 AM EDT, 4 hours 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
944 AM EDT SAT JUL 23 2011

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

0647 PM     TSTM WND DMG     DOBBINS HEIGHTS         34.90N  79.69W
07/22/2011                   RICHMOND           NC   PUBLIC

            HOMEOWNER AT 124 DOBBINS STREET CALLED TO REPORT TWO
            LARGE OAK TREES UPROOTED CAUSING DAMAGE TO PROPERTY
            FENCES AS WELL AS THE HOUSE

&&

EVENT NUMBER RAH1101051

ELLIS

Special weather statement, Jul 23, 2:06 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
206 PM EDT SAT JUL 23 2011

NCZ074>077-084>086-231900-
HARNETT-HOKE-LEE-MONTGOMERY-MOORE-RICHMOND-SCOTLAND-
206 PM EDT SAT JUL 23 2011

...SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS HARNETT...SCOTLAND...
RICHMOND...MOORE...MONTGOMERY...LEE AND HOKE COUNTIES THROUGH 300 PM
EDT...

AT 204 PM EDT...DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS
WITH VERY HEAVY RAIN MOVING ACROSS
HARNETT...SCOTLAND...RICHMOND...MOORE...MONTGOMERY...LEE AND HOKE
COUNTIES.

SOME LOCATIONS IMPACTED
INCLUDE...STAR...BISCOE...SANFORD...ROBBINS...AND CAMP MACKALL.

HAZARDS INCLUDE...
GUSTY WINDS OF 30 TO 40 MPH.
DEADLY CLOUD TO GROUND LIGHTNING.
HEAVY RAINFALL AND MINOR FLOODING.

SEEK SHELTER IN A NEARBY BUILDING OR VEHICLE. STRONG WINDS ARE
CAPABLE OF KNOCKING DOWN SMALL TREES AND BLOWING AROUND TRASH CANS...
POTTED PLANTS...LAWN FURNITURE AND OTHER LIGHT OUTDOOR OBJECTS.

BOATERS ON THE OPEN WATER AND THOSE CAMPING OUTDOORS ARE ESPECIALLY
VULNERABLE TO THE DANGERS OF LIGHTNING. BOATERS SHOULD SEEK SAFE
HARBOR. THOSE CAMPING SHOULD TAKE SHELTER IN A NEARBY BUILDING OR
VEHICLE.

&&

LAT...LON 3463 7946 3480 7968 3481 7992 3490 7985
      3505 7988 3512 7993 3511 8007 3537 8005
      3550 8018 3552 7934 3563 7912 3553 7897
      3558 7890 3552 7869 3533 7853 3525 7862
      3519 7909 3495 7903 3483 7919 3484 7935
TIME...MOT...LOC 1804Z 345DEG 4KT 3546 7978

ELLIS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 23, 2:07 PM EDT	Special Weather Statement	RAH	Forsyth, Guilford	83 min
Jul 23, 2:16 PM EDT	Special Weather Statement	RAH	Johnston, Wake	59 min
Jul 23, 2:29 PM EDT	Severe Thunderstorm Warning	RAH	Harnett, Johnston	46 min
Jul 23, 2:43 PM EDT	Heat Advisory	RAH	Anson, Chatham, Cumberland, Durham, Edgecombe, Franklin and 19 more	28 hr
Jul 23, 2:59 PM EDT	Severe Thunderstorm Warning	RAH	Johnston, Wayne, Wilson	46 min
Jul 23, 3:15 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland, Harnett, Johnston, Sampson	45 min
Jul 23, 3:47 PM EDT	Special Weather Statement	RAH	Guilford	58 min
Jul 23, 4:01 PM EDT	Special Weather Statement	RAH	Sampson	59 min
Jul 23, 4:19 PM EDT	Severe Thunderstorm Warning	RAH	Edgecombe, Halifax, Wilson	41 min
Jul 23, 4:44 PM EDT	Severe Thunderstorm Warning	RAH	Franklin, Johnston, Nash, Wake, Wilson	26 min
Jul 23, 5:17 PM EDT	Special Weather Statement	RAH	Sampson	58 min
Jul 23, 5:23 PM EDT	Severe Thunderstorm Warning	RAH	Sampson	15 min
Jul 23, 5:56 PM EDT	Special Weather Statement	RAH	Lee	64 min
Jul 23, 6:11 PM EDT	Severe Thunderstorm Warning	RAH	Harnett, Wake	30 min
Jul 23, 6:41 PM EDT	Severe Thunderstorm Warning	RAH	Johnston	32 min

Nearby

Special Weather Statements in North Carolina, 2011 Every special weather statement in 2011

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.