Alert archive / North Carolina / Flash Flood Warnings in 1999

Flash Flood Warning 17, NWS Newport/Morehead City, NC

September 28, 19994 counties in North Carolina

NWS Newport/Morehead City, NC issued this flash flood warning at Sep 28, 1999, 7:05 AM EDT for 4 counties in North Carolina. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Sep 28, 1999, 7:05 AM EDT (11:05 UTC)
Expired: Sep 28, 1999, 11:00 AM EDT
In force: 4 hr
Issued by: NWS Newport/Morehead City, NC
Area: Whole counties

Counties Greene County, NC, Lenoir County, NC, Martin County, NC, Pitt County, NC

The radar

The Raleigh/Durham radar (KRAX), 95 km from the middle of the area, began a volume at 11:04 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 00:00Z, 11.1 hours before the alert went out and 99 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 382 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 696 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 105 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 flash flood 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 flash flood warning went out at Sep 27, 3:31 PM EDT, 15 hours 34 minutes earlier.

Area forecast discussion, Sep 27, 3:31 PM EDT, 15 hours 34 minutes before

AREA FORECAST DISCUSSION...UPDATED.
NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC
331 PM EDT MON SEP 27 1999

...UPDATED...WL ISSUE A FLASH FLOOD WATCH FOR INLAND COUNTIES. HEAVY
RAIN LAST COUPLE HOURS PLUS POTENTIAL FOR ADDITIONAL HEAVY RAIN
OVERNIGHT MAY LEAD TO FLOODING OF SMALL STREAMS AND CREEKS OVER
INLAND LOCATIONS...

DEEP MOISTURE WL CONT OVER ERN NC THROUGH WED. MAIN PROBLEM IS TRYING
TO PINPOINT WHERE AND WHEN BEST LIFT WL OCCUR. CURRENTLY SRT WV IS
CROSSING RGN WITH GOOD CVRG OF SHRA...ESPCLY NRN HALF. SHLD SEE A BIT
OF A LULL AS THIS SRT WV MVS N THIS EVENING. MDLS SHOW ANOTHER WEAK
SRT WV APPROACHING LTR TNGHT. RGNL RDR LOOPS SHOW LOTS OF SHRA WITH
THIS FEATURE TO S AND WOULD EXPECT THIS TO SPREAD N OVERNIGHT. BEST
UVM...MOISTURE TRANSPORT...AND THETA-E AIR IS PROGGED ACRSS THE I-95
CORRIDOR W. PLAN ON GOING WITH LIKELY POPS CSTL PLAIN TO CHCY CST.
MILD WITH LOWS CPL DGRS EITHER SIDE OF 70 MST SPOTS. LOOKS LIKE BEST
FORCING WL REMAIN TO W TUE/TUE NIGHT AS UPR RDG MVS W. RGN WL REMAIN
IN WEAKLY DIFL FLOW AND WITH MOISTURE REMAINING HIGH WL CONT GOOD CHC
TO CHC POPS...AGAIN HIGHEST INLAND. ON WED STRG UPR TRF AND FRNT WL
BE APPROACHING FROM W. UVM WL BE INCREASING LATE AS THE SRT WV
APPROACHES. MAY BUMP UP POPS LTR WED AND INDICATE BETTER THUNDER
POTENTIAL. ALL IN ALL LOOKS LIKE A RATHER CLOUDY...MILD PD WITH BEST
RAIN POTENTIAL INLAND.

CWF...GENERAL E TO SE FLOW TO CONT INTO TUE NIGHT WITH SPEEDS IN 15
KT RANGE. LATER WED GRDNT WL BEGIN TO TIGHTEN AS FRNT GETS CLSR...
EXPECT WINDS TO INCREASE AND BECOME S/SW. SCA CONDITIONS POSS IN
EXTENDED PORTION AS FRNT CROSSES.

.MHX...FLASH FLOOD WATCH UNTIL 4 AM FOR CRAVEN...JONES...BEAUFORT...
       DUPLIN...LENOIR...PITT...GREENE AND MARTIN COUNTIES.

FREDERICK

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 27, 10:50 PM EDT	Flash Flood Warning	MHX	Greene, Lenoir	2 hr
Sep 28, 1:07 AM EDT	Flash Flood Warning	MHX	Greene, Lenoir	6 hr
Sep 28, 2:08 AM EDT	Flash Flood Warning	MHX	Martin, Pitt	5 hr

Nearby

Flash Flood Warnings in North Carolina, 1999 Every flash flood 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.