Alert archive / North Carolina / Special Weather Statements in 2011

Special Weather Statement, NWS Raleigh, NC

July 20, 2011Hoke County, Scotland County, North Carolina

NWS Raleigh, NC issued this special weather statement at Jul 20, 2011, 2:38 PM EDT for Hoke County, Scotland County, North Carolina. It was in force for 52 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 20, 2011, 2:38 PM EDT (18:38 UTC)
Expired: Jul 20, 2011, 3:30 PM EDT
In force: 52 min
Issued by: NWS Raleigh, NC

Counties Hoke County, NC, Scotland County, NC

The radar

The Raleigh/Durham radar (KRAX), 119 km from the middle of the area, began a volume at 18:37 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

Charleston AFB, SC (KCHS), launched 12:00Z, 6.6 hours before the alert went out and 232 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: 834 J/kg
Mixed-layer CIN: -76 J/kg
Mixed-layer LCL: 1184 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 47 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.

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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 20, 1:45 PM EDT, 53 minutes earlier.

Area forecast discussion, Jul 20, 1:45 PM EDT, 53 minutes before

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Hazardous weather outlook, Jul 20, 4:01 AM EDT, 10 hours 37 minutes before

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In the hours before

Special weather statement, Jul 20, 2:38 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
238 PM EDT WED JUL 20 2011

NCZ075-084>086-201930-
HOKE-MOORE-RICHMOND-SCOTLAND-
238 PM EDT WED JUL 20 2011

...SHOWERS AND THUNDERSTORMS NEARLY STATIONARY OVER PORTIONS
SCOTLAND...RICHMOND...MOORE AND HOKE COUNTIES THROUGH 330 PM EDT...

AT 234 PM EDT...DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS
WITH VERY HEAVY RAIN OVER CAMP MACKALL...OR ABOUT 12 MILES SOUTH OF
SOUTHERN PINES...NEARLY STATIONARY OR MOVING VERY SLOWLY TO THE
SOUTH.

RADAR ESTIMATES SHOW AS MUCH AS ONE TO TWO INCHES OF RAIN HAS FALLEN
OVER THE PAST HOUR.  DUE TO THE SLOW MOVEMENT OF THE
STORMS...ANOTHER INCH OF RAIN WILL BE POSSIBLE THROUGH 330 PM.

SOME LOCATIONS IMPACTED INCLUDE...WAGRAM...AND...BOWMORE.

HAZARDS INCLUDE...
HEAVY RAINFALL AND MINOR FLOODING.

THIS STORM WILL PRODUCE HEAVY RAINFALL...WHICH WILL CAUSE MINOR
FLOODING OF LOW LYING AREAS INCLUDING DITCHES...CREEKS...ROADWAYS AND
AREAS OF POOR DRAINAGE. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS. MOTORISTS SHOULD ALSO REDUCE DRIVING SPEEDS TO AVOID
HYDROPLANING.

&&

LAT...LON 3481 7969 3516 7967 3516 7962 3518 7963
      3533 7933 3492 7908 3483 7919 3483 7934
      3482 7935 3477 7933 3463 7946
TIME...MOT...LOC 1834Z 339DEG 5KT 3501 7944

22

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 20, 3:43 PM EDT	Excessive Heat Watch	RAH	Anson, Chatham, Cumberland, Durham, Edgecombe, Franklin and 20 more	23 hr
Jul 20, 3:43 PM EDT	Heat Advisory	RAH	Alamance, Anson, Chatham, Cumberland, Davidson, Durham and 25 more	28 hr
Jul 20, 3:55 PM EDT	Special Weather Statement	RAH	Cumberland	35 min
Jul 20, 4:24 PM EDT	Special Weather Statement	RAH	Cumberland	36 min
Jul 20, 4:29 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland, Sampson	27 min
Jul 20, 4:58 PM EDT	Special Weather Statement	RAH	Richmond	32 min
Jul 20, 5:25 PM EDT	Special Weather Statement	RAH	Sampson	35 min
Jul 20, 6:25 PM EDT	Special Weather Statement	RAH	Johnston	50 min
Jul 20, 6:55 PM EDT	Special Weather Statement	RAH	Johnston	20 min
Jul 20, 7:28 PM EDT	Special Weather Statement	RAH	Wake	32 min
Jul 20, 7:59 PM EDT	Special Weather Statement	RAH	Wake	31 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.