Alert archive / North Carolina / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 14, NWS Newport/Morehead City, NC
NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Apr 21, 2000, 7:28 PM EDT for Martin County, North Carolina. It was in force for 32 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Apr 21, 2000, 7:28 PM EDT (23:28 UTC)
- Expired
- Apr 21, 2000, 8:00 PM EDT
- In force
- 32 min
- Issued by
- NWS Newport/Morehead City, NC
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Martin County, NC
The radar
The Morehead City radar (KMHX), 116 km from the middle of the area, began a volume at 23:30 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 |
|---|---|---|---|
| Apr 21, 7:46 PM EDT | Hail 1 | Jamesville, 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.
The nearest sounding before it
Newport, NC (KMHX), launched 12:00Z, 11.5 hours before the alert went out and 115 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
- 65 J/kg
- Mixed-layer CIN
- -291 J/kg
- Mixed-layer LCL
- 839 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 210 m²/s²
- 0-3 km storm-relative helicity
- 206 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
136 WUUS52 KMHX 212331 SVRMHX NCC117-220000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC 728 PM EDT FRI APR 21 2000 THE NATIONAL WEATHER SERVICE IN NEWPORT HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN MARTIN COUNTY IN EASTERN NORTH CAROLINA * UNTIL 800 PM EDT * AT 727 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF JAMESVILLE...MOVING NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... JAMESVILLE AT 740 PM EDT. DARDEN AT 750 PM EDT. LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH OF THE STORM. PLEASE REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE. NNNN LAT...LON 3575 7711 3564 7694 3590 7663 3604 7685
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 Apr 21, 2:08 PM EDT, 5 hours 20 minutes earlier.
Area forecast discussion, Apr 21, 2:08 PM EDT, 5 hours 20 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC 208 PM EDT FRI APR 21 2000 FORECAST PROBLEM OF THE DAY...THUNDERSTORMS THIS EVENING AND WHETHER IT WILL RAIN TOMORROW. MODELS IN DECENT AGREEMENT THIS RUN WITH DEVELOPING A SFC LOW OVER S VA THIS AFTERNOON AND TAKING IT SLOWLY NE TO JUST OFF THE NY COAST BY 12Z SUNDAY. COLD FRONT WILL MOVE THRU OUR CWA TONIGHT AND NEAR OR SLIGHTLY OFF THE COAST BY AROUND 06Z. H5 LOW OVER OHIO VALLEY THIS AFTERNOON WILL TRACK SE THRU 00Z SUNDAY THEN LIFT NE. BEST DYNAMICS ARE N OF OUR CWA AND SPC HAS SVR TSTM WATCH THRU 21Z TO OUR N. ANY TSTMS THAT DO DEVELOP OVER OUR CWA HAVE THE POTENTIAL OF BECOMING SVR ACROSS OUR CWA WITH CAPES 2000-3000J/KG...LIMITING FACTOR IS LACK OF LOW LEVEL MOISTURE. A VORT MAX ROTATING OUT OF COLD UPPER LOW MAY TRIGGER SOME SPRINKLES TOMORROW AND WILL GO WITH 30% POPS. AT ANY RATE WE WILL SEE A GOOD BIT OF CLOUDS ACROSS MUCH OF THE CWA TOMORROW...THE ONLY EXCEPTION POSSIBLY WOULD BE SOUTHERN PART OF CWA. DECREASING CLOUDS SHOULD OCCUR SAT NIGHT AS LOWS (SFC & H5) LIFT NE AND LOW LEVEL MOISTURE DECREASES. LOTS OF SUNSHINE SUNDAY AND WARMER. TEMPS...WHERE DIFFERENT WILL FAVOR FAN TEMPS AS THEY ARE MORE IN LINE WITH LOCAL SCHEMES. EXTENDED...MRF LOOKS DRY UNTIL MID WEEK THEN A SERIES OF LOWS MOVE ACROSS OR NEAR OUR CWA. TEMPS AT OR SLIGHTLY BELOW SEASONAL NORMALS. CWF...SCA FOR STIFF SW WINDS TONIGHT BECOMING W LATE. W-NW WINDS BELOW SCA REST OF FCST PD. .MHX...SCA CSTL WTRS AND SNDS. WS
The office that day
Everything else NWS Newport/Morehead City, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 21, 7:44 PM EDT | Severe Thunderstorm Warning | MHX | Beaufort | 31 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2000Every severe thunderstorm warning in 2000
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.