Alert archive / North Carolina / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 49, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Jun 11, 2004, 8:15 PM EDT for Alamance County, Orange County, North Carolina. It was in force for 45 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
- Jun 11, 2004, 8:15 PM EDT (00:15 UTC)
- Expired
- Jun 11, 2004, 9:00 PM EDT
- In force
- 45 min
- Issued by
- NWS Raleigh, NC
- Area
- Counties, with a storm outline in the text
Counties Alamance County, NC, Orange County, NC
The radar
The Raleigh/Durham radar (KRAX), 87 km from the middle of the area, began a volume at 00:14 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, 0.3 hours before the alert went out and 54 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
- 682 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1787 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
052
WUUS52 KRAH 120015
SVRRAH
NCC001-135-120100-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
813 PM EDT FRI JUN 11 2004
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ORANGE COUNTY IN CENTRAL NORTH CAROLINA
ALAMANCE COUNTY IN CENTRAL NORTH CAROLINA
* UNTIL 900 PM EDT
* AT 813 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM JUST WEST OF BURLINGTON MOVING SOUTHEAST AT
30 MPH. PENNY SIZED HAIL AND WINDS IN EXCESS OF 58 MPH ARE LIKELY
WITH THIS STORM.
* LOCATIONS IMPACTED INCLUDE...
GRAHAM...MEBANE...SWEPSONVILLE...
EFLAND...HILLSBOROUGH...
CARRBORO...CHAPEL HILL...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE
FOR DAMAGING WINDS IN EXCESS OF 58 MPH...LARGE HAIL...AND DEADLY
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
LAT...LON 3626 7938 3612 7953 3585 7947 3587 7905
3621 7897
$$
MLMThe office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 8:22 PM EDT | Severe Thunderstorm Warning | RAH | Person | 23 min |
| Jun 11, 8:36 PM EDT | Severe Thunderstorm Warning | RAH | Granville | 34 min |
| Jun 11, 8:48 PM EDT | Severe Thunderstorm Warning | RAH | Warren | 42 min |
| Jun 11, 8:53 PM EDT | Severe Thunderstorm Warning | RAH | Durham, Wake | 37 min |
| Jun 11, 9:09 PM EDT | Severe Thunderstorm Warning | RAH | Chatham | 26 min |
| Jun 11, 9:09 PM EDT | Severe Thunderstorm Warning | RAH | Halifax | 31 min |
| Jun 11, 9:26 PM EDT | Severe Thunderstorm Warning | RAH | Wake | 14 min |
| Jun 11, 9:35 PM EDT | Severe Thunderstorm Warning | RAH | Johnston | 40 min |
| Jun 11, 10:29 PM EDT | Severe Thunderstorm Warning | RAH | Edgecombe | 21 min |
| Jun 11, 10:48 PM EDT | Severe Thunderstorm Warning | RAH | Sampson | 42 min |
| Jun 11, 11:03 PM EDT | Severe Thunderstorm Warning | RAH | Wayne | 22 min |
| Jun 12, 12:29 AM EDT | Severe Thunderstorm Warning | RAH | Sampson | 31 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2004Every severe thunderstorm warning in 2004
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.