Alert archive / North Carolina / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 21, NWS Newport/Morehead City, NC
NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Apr 27, 1989, 8:42 PM EDT for Washington County, North Carolina. It was in force for 48 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 27, 1989, 8:42 PM EDT (00:42 UTC)
- Expired
- Apr 27, 1989, 9:30 PM EDT
- In force
- 48 min
- Issued by
- NWS Newport/Morehead City, NC
- Area
- Whole counties
County Washington County, NC
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 27, 8:57 PM EDT | Thunderstorm Wind 0 | Washington, NC |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Cape Hatteras, NC (KHAT), launched 00:00Z, 0.7 hours before the alert went out and 116 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
- 841 J/kg
- Mixed-layer CIN
- -117 J/kg
- Mixed-layer LCL
- 994 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 163 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 8.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KHAT 280048
SVRHAT
NCC187-280130-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE CAPE HATTERAS NC
842 PM EDT THU APR 27 1989
THE NATIONAL WEATHER SERVICE IN CAPE HATTERAS HAS ISSUED A
SEVERE THUNDERSTORM WARNING AND
SPECIAL MARINE WARNING EFFECTIVE UNTIL 930 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTHEAST NORTH CAROLINA
...WASHINGTON
AND THE WESTERN PART OF THE ALBEMARLE SOUND EXTENDING TO LAUREL POINT.
A LINE OF SEVERE THUNDERSTORMS EXTENDED FROM EASTERN BERTIE
COUNTY...SOUTH...TO WASHINGTON IN BEAUFORT COUNTY. THESE THUNDERSTORMS
WERE MOVING SOUTHEAST AT 45 MILES AN HOUR.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.The office that day
Everything else NWS Newport/Morehead City, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 9:21 PM EDT | Severe Thunderstorm Warning | MHX | Hyde, Tyrrell | 54 min |
| Apr 27, 9:48 PM EDT | Severe Thunderstorm Warning | MHX | Dare | 57 min |
| Apr 27, 10:15 PM EDT | Severe Thunderstorm Warning | MHX | Hyde | 45 min |
| Apr 27, 10:40 PM EDT | Severe Thunderstorm Warning | MHX | Dare | 35 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 1989Every severe thunderstorm warning in 1989
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.