Alert archive / North Carolina / Special Weather Statements in 2012
Special Weather Statement, NWS Raleigh, NC
NWS Raleigh, NC issued this special weather statement at Sep 2, 2012, 1:37 PM EDT for 13 counties in North Carolina. It was in force for 83 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
- Sep 2, 2012, 1:37 PM EDT (17:37 UTC)
- Expired
- Sep 2, 2012, 3:00 PM EDT
- In force
- 83 min
- Issued by
- NWS Raleigh, NC
Counties Alamance County, NC, Chatham County, NC, Durham County, NC, Franklin County, NC, Granville County, NC, Harnett County, NC, Johnston County, NC, Lee County, NC, Moore County, NC, Orange County, NC, Person County, NC, Vance County, NC, Wake County, NC
The radar
The Raleigh/Durham radar (KRAX), 38 km from the middle of the area, began a volume at 17:37 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 5.6 hours before the alert went out and 103 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.
- Mixed-layer CAPE
- 812 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 1077 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</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 Sep 2, 11:45 AM EDT, 1 hour 52 minutes earlier.
Area forecast discussion, Sep 2, 11:45 AM EDT, 1 hour 52 minutes before
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</html>Hazardous weather outlook, Sep 2, 4:19 AM EDT, 9 hours 18 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RALEIGH NC 419 AM EDT SUN SEP 2 2012 NCZ007>011-021>028-038>043-073>078-083>086-088-089-030830- 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- 419 AM EDT SUN SEP 2 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NORTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TODAY ACROSS CENTRAL NORTH CAROLINA. THE STRONGEST STORMS WILL BE CAPABLE OF PRODUCING DAMAGING WIND GUSTS AND LOCALIZED FLASH FLOODING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. MOISTURE AND LIFT ASSOCIATED WITH THE SLOW APPROACH OF THE REMNANTS OF ISAAC WILL RESULT IN A CHANCE OF THUNDERSTORMS PRIMARILY DURING THE AFTERNOON AND EVENING MONDAY THROUGH WEDNESDAY. THESE STORMS WILL BE CAPABLE OF PRODUCING TORRENTIAL DOWNPOURS AND CONSEQUENT LOCALIZED FLOODING...AND STRONG TO ISOLATED SEVERE WIND GUSTS. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTERS ARE ENCOURAGED TO REPORT ANY SEVERE OR SIGNIFICANT WEATHER IMMEDIATELY TO THE NATIONAL WEATHER SERVICE.
In the hours before
Special weather statement, Sep 2, 12:24 PM EDT, 1 hour 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1224 PM EDT SUN SEP 2 2012
NCZ007>009-023>026-040>042-075>077-021730-
ALAMANCE-CHATHAM-DURHAM-FRANKLIN-GRANVILLE-HARNETT-JOHNSTON-LEE-
MOORE-ORANGE-PERSON-VANCE-WAKE-
1224 PM EDT SUN SEP 2 2012
...STRONG THUNDERSTORMS DEVELOPING IN THE TRIANGLE REGION NORTHWARD
TO THE VIRGINIA STATE LINE MAY AFFECT AFTERNOON OUTDOOR PLANS...
AT 1219 PM EDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS
FORMING OVER THE TRIANGLE REGION TO THE WEST AND NORTH... INCLUDING
NEAR CHAPEL HILL... SAXAPAHAW... SILER CITY... RALEIGH... FALLS
LAKE... AND JUST WEST OF ANGIER AND LILLINGTON. THESE STORMS WERE
MOVING EAST AT 15 MPH. OTHER STORMS WILL CONTINUE TO DEVELOP OVER
THE REGION THROUGH THIS AFTERNOON.
HAZARDS WITH THESE STORMS INCLUDE...
PEA SIZE HAIL.
GUSTY WINDS OF 30 TO 40 MPH.
VERY HEAVY RAINFALL AND STREET FLOODING.
ANYONE WITH OUTDOOR PLANS THROUGH THE AFTERNOON IN THIS AREA SHOULD
KEEP A CLOSE EYE ON THE SKY AND MONITOR THE LATEST CONDITIONS. IF
YOU SEE LIGHTNING OR HEAR THUNDER...YOU ARE AT RISK. TAKE SHELTER
INDOORS IMMEDIATELY. IF YOU CANNOT FIND SHELTER IN A BUILDING A
VEHICLE PROVIDES SAFETY FROM LIGHTNING. TORRENTIAL DOWNPOURS WILL
ALSO BE A THREAT WITH THESE SLOW-MOVING STORMS. REMEMBER TO NEVER
DRIVE THROUGH FLOODED ROADS.
&&
LAT...LON 3644 7830 3627 7830 3626 7828 3588 7825
3551 7840 3529 7860 3524 7907 3557 7954
3625 7951 3625 7916 3655 7913 3655 7833
TIME...MOT...LOC 1619Z 267DEG 13KT 3587 7866
GIHSpecial weather statement, Sep 2, 1:37 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
137 PM EDT SUN SEP 2 2012
NCZ007>010-023>027-040>042-075>077-021900-
ALAMANCE-CHATHAM-DURHAM-FRANKLIN-GRANVILLE-HARNETT-JOHNSTON-LEE-
MOORE-NASH-ORANGE-PERSON-VANCE-WAKE-WARREN-
137 PM EDT SUN SEP 2 2012
...NUMEROUS STRONG THUNDERSTORMS IN THE TRIANGLE AND SURROUNDING
AREAS MAY AFFECT AFTERNOON OUTDOOR PLANS...
AT 131 PM EDT...DOPPLER RADAR INDICATED NUMEROUS STRONG AND
SLOW-MOVING THUNDERSTORMS OVER THE TRIANGLE REGION AND SURROUNDING
AREAS... AFFECTING AREAS NEAR CHAPEL HILL... GARNER... HOLLY
SPRINGS... OXFORD... KERR LAKE... WENDELL... FLOWERS... SEMINOLE...
NORTHERN PORTIONS OF JORDAN LAKE... PITTSBORO... LILLINGTON...
WHISPERING PINES... AND SPRING LAKE. THESE STORMS WERE MOVING EAST
AT 10 MPH. OTHER STORMS WILL CONTINUE TO DEVELOP OVER THE REGION
THROUGH THIS AFTERNOON.
AFFECTED AREAS ALSO INCLUDE PORTIONS OF INTERSTATE 40... 85... 95...
AND THE DURHAM FREEWAY.
HAZARDS WITH THESE STORMS INCLUDE...
PEA SIZE HAIL.
GUSTY WINDS OF 30 TO 40 MPH.
VERY HEAVY RAINFALL AND STREET FLOODING.
ANYONE WITH OUTDOOR PLANS THROUGH THE AFTERNOON IN THIS AREA SHOULD
KEEP A CLOSE EYE ON THE SKY AND MONITOR THE LATEST CONDITIONS. IF
YOU SEE LIGHTNING OR HEAR THUNDER...YOU ARE AT RISK. TAKE SHELTER
INDOORS IMMEDIATELY. IF YOU CANNOT FIND SHELTER IN A BUILDING A
VEHICLE PROVIDES SAFETY FROM LIGHTNING. TORRENTIAL DOWNPOURS WILL
ALSO BE A THREAT WITH THESE SLOW-MOVING STORMS. REMEMBER TO NEVER
DRIVE THROUGH FLOODED ROADS. THOSE BOATING OR NEAR THE WATER SHOULD
MOVE TO A SAFE SHELTER ON DRY LAND AT THE FIRST SOUND OF THUNDER.
&&
LAT...LON 3590 7822 3548 7813 3532 7828 3529 7846
3531 7855 3528 7859 3528 7897 3519 7921
3521 7925 3508 7951 3526 7965 3549 7967
3550 7954 3625 7954 3625 7916 3655 7913
3655 7826
TIME...MOT...LOC 1731Z 257DEG 7KT 3564 7869
GIHThe office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 12:24 PM EDT | Special Weather Statement | RAH | Alamance, Chatham, Durham, Franklin, Granville, Harnett and 5 more | 66 min |
| Sep 2, 1:16 PM EDT | Areal Flood Advisory | RAH | Harnett, Wake | 104 min |
| Sep 2, 2:32 PM EDT | Severe Thunderstorm Warning | RAH | Granville, Person | 43 min |
| Sep 2, 2:55 PM EDT | Areal Flood Advisory | RAH | Chatham, Wake | 44 min |
| Sep 2, 3:08 PM EDT | Special Weather Statement | RAH | Wilson | 67 min |
| Sep 2, 3:10 PM EDT | Special Weather Statement | RAH | Granville, Person, Vance | 65 min |
| Sep 2, 3:26 PM EDT | Severe Thunderstorm Warning | RAH | Wayne, Wilson | 36 min |
| Sep 2, 5:52 PM EDT | Special Weather Statement | RAH | Davidson, Forsyth | 68 min |
| Sep 2, 6:58 PM EDT | Special Weather Statement | RAH | Guilford, Randolph | 77 min |
| Sep 2, 7:09 PM EDT | Severe Thunderstorm Warning | RAH | Guilford | 67 min |
| Sep 2, 7:13 PM EDT | Special Weather Statement | RAH | Person | 62 min |
| Sep 2, 7:51 PM EDT | Special Weather Statement | RAH | Alamance | 54 min |
Nearby
Special Weather Statements in North Carolina, 2012Every special weather statement in 2012
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.