Alert archive / North Carolina / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 13, NWS Newport/Morehead City, NC

May 22, 2004Martin County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at May 22, 2004, 6:35 PM EDT for Martin County, North Carolina. It was in force for 40 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
May 22, 2004, 6:35 PM EDT (22:35 UTC)
Expired
May 22, 2004, 7:15 PM EDT
In force
40 min
Issued by
NWS Newport/Morehead City, NC
Area
Counties, with a storm outline in the text

County Martin County, NC

The radar

The Morehead City radar (KMHX), 112 km from the middle of the area, began a volume at 22:38 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

Newport, NC (KMHX), launched 12:00Z, 10.6 hours before the alert went out and 112 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-pSkew-T log-p diagram, Newport, NC at 12:00Z on 2004-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 497 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Newport, NC at 12:00Z on 2004-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
497 J/kg
Mixed-layer CIN
-136 J/kg
Mixed-layer LCL
982 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
-26 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.

364 
WUUS52 KMHX 222235
SVRMHX
NCC117-222315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
634 PM EDT SAT MAY 22 2004

THE NATIONAL WEATHER SERVICE IN NEWPORT
HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MARTIN COUNTY IN EASTERN NORTH CAROLINA

* UNTIL 715 PM EDT

* AT 633 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND     
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED EAST   
  OF BEARGRASS...OR ABOUT 9 MILES SOUTH OF WILLIAMSTON...AND MOVING  
  EAST AT 5 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SMITHWICK AROUND 650 PM EDT.

IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IN A STURDY
STRUCTURE UNTIL IT PASSES.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 3575 7683 3572 7683 3565 7698 3573 7715
      3578 7718 3587 7691 3582 7690 3581 7688
      3586 7683 3588 7683 3578 7681

$$

5

The office that day

Everything else NWS Newport/Morehead City, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 22, 2:18 PM EDTSpecial Marine WarningMHX42 min
May 22, 2:50 PM EDTSevere Thunderstorm WarningMHXDare25 min
May 22, 3:08 PM EDTSpecial Marine WarningMHX52 min
May 22, 3:16 PM EDTSevere Thunderstorm WarningMHXTyrrell29 min
May 22, 3:49 PM EDTSevere Thunderstorm WarningMHXWashington41 min
May 22, 6:48 PM EDTSevere Thunderstorm WarningMHXPitt42 min
May 22, 7:05 PM EDTFlash Flood WarningMHXPitt115 min
May 22, 7:23 PM EDTSevere Thunderstorm WarningMHXBeaufort37 min
May 22, 7:27 PM EDTFlash Flood WarningMHXBeaufort93 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.