Alert archive / North Carolina / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 26, NWS Newport/Morehead City, NC
NWS Newport/Morehead City, NC issued this severe thunderstorm warning at May 24, 1999, 7:37 PM EDT for Beaufort County, Hyde County, North Carolina. It was in force for 53 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
- May 24, 1999, 7:37 PM EDT (23:37 UTC)
- Expired
- May 24, 1999, 8:30 PM EDT
- In force
- 53 min
- Issued by
- NWS Newport/Morehead City, NC
- Area
- Whole counties
Counties Beaufort County, NC, Hyde County, NC
The radar
The Morehead City radar (KMHX), 82 km from the middle of the area, began a volume at 23:41 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 24, 7:45 PM EDT | Thunderstorm Wind 55 | Washington, NC | 911 Center reported trees blown down in Washington. |
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.
The nearest sounding before it
Newport, NC (KMHX), launched 12:00Z, 11.6 hours before the alert went out and 82 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
- 575 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 951 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 158 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.6
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Newport/Morehead City, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at May 24, 2:07 PM EDT, 5 hours 30 minutes earlier.
Area forecast discussion, May 24, 2:07 PM EDT, 5 hours 30 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC 207 PM EDT MON MAY 24 1999 SHOWERS/TSTMS STARTING TO FIRE IN AXIS OF INSTABILITY OVER THE WRN MHX CWA WITH LIS DOWN TO -6. SFC COLDFRONT NOW BETWEEN GSO AND RDU AND WORKING EAST. WILL CARRY A CHC POP TO COVER ANY EVENING ACTIVITY. MODELS IN DECENT AGREEMENT WITH TAKING FRONT OFFSHORE BETWEEN 00Z AND 06Z TONIGHT AS H5 LOW OVER THE GREAT LAKES MOVES NE INTO CANADA. BEHIND THE FRONT...EXPECT LOWER DEWPOINTS WITH DOWNSLOPING FLOW TUES. MODEL TIME-SECTIONS AGREE ON BRINGING MORE CLOUDS INTO THE AREA LATE TUES NIGHT/WEDS AS MOISTURE ASSOCIATED WITH H5 CLOSED LOW OVER THE DESERT SOUTHWEST GETS CAUGHT UP IN STRONG ZONAL FLOW AND COMES EAST. FOR TEMPS...LCL SCHEME CONTINUING ITS TREND OF BEING TOO LOW FOR MINS...SO WILL TWEAK MINS TOWARD NGM MOS. MAXES FROM THE VARIOUS METHODS ARE CLOSE...SO NO PROBLEM THERE. COASTAL...CONTINUED SCA FOR THE FIRST PERIOD...BUT WINDS SHOULD DROP OFF WITH FRONTAL PASSAGE LATER TONIGHT. DIRECTIONS A LTL TOUGH FOR TUESDAY...BUT WILL CALL IT NW BECOMING SW IN THE AFTERNOON. .MHX...SCA CSTL WTRS AND SNDS. COLLINS
The office that day
Everything else NWS Newport/Morehead City, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 5:52 PM EDT | Tornado Warning | MHX | Hyde | 53 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 1999Every severe thunderstorm warning in 1999
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; radar from the NEXRAD Level II archive.