Alert archive / North Carolina / Flash Flood Warnings in 1998

Flash Flood Warning 28, NWS Raleigh, NC

August 26, 1998Wilson County, North Carolina

NWS Raleigh, NC issued this flash flood warning at Aug 26, 1998, 7:28 PM EDT for Wilson County, 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
Aug 26, 1998, 7:28 PM EDT (23:28 UTC)
Expired
Aug 26, 1998, 11:00 PM EDT
In force
4 hr
Issued by
NWS Raleigh, NC
Area
Whole counties

County Wilson County, NC

The radar

The Raleigh/Durham radar (KRAX), 52 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.

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 11.5 hours before the alert went out and 140 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 1998-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 356 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Newport, NC at 12:00Z on 1998-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 square meters per square second.19395878Sfc1 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
356 J/kg
Mixed-layer CIN
-131 J/kg
Mixed-layer LCL
981 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
80 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.

000 
TTAA00 KRDU 262330
FFWRDU
NCC195-270300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
728 PM EDT WED AUG 26 1998

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WILSON COUNTY

* UNTIL 1100 PM EDT

* AT 730 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  HEAVY RAIN AMOUNTS FOUR TO SIX INCHES OVER THE PAST THREE HOURS
NEAR AND EAST OF THE CITY OF WILSON. A BREAK IN THE RAINS IS
EXPECTED OVER THE NEXT HOUR WITH ONLY SCATTERED SHOWERS
EXPECTED BETWEEN 8 AND 9 PM. HOWEVER HEAVY RAINS HAVE ALREADY
CLOSED SOME ROADS.

MORE HEAVY RAINS ARE EXPECTED LATER TONIGHT AND ADDITIONAL WARNINGS
MAY BE NEEDED. RESIDENTS IN AND NEAR THE WARNING AREA ALONG RIVERS
AND STREAMS AND IN NORMALLY FLOOD PRONE AREAS SHOULD CLOSELY MONITOR
LOCAL CONDITIONS THROUGH THE NIGHT.

DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. DO NOT CROSS
FLOWING WATERS ON FOOT.

RLH

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.

In the hours before

Special weather statement, Aug 26, 7:00 PM EDT, 28 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088-089-270400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
700 PM EDT WED AUG 26 1998

... MAJOR FLOODING THREAT DUE TO SLOW MOVEMENT OF BONNIE ...

THE PURPOSE OF THIS STATEMENT IS TO EMPHASIZE THE THREAT OF FLOODING
FROM BONNIE. DUE TO ITS VERY SLOW MOVEMENT BONNIE WILL LIKELY PRODUCE
FLOODING IN MANY EASTERN NORTH CAROLINA COUNTIES TONIGHT AND THURSDAY...
ESPECIALLY THOSE COUNITES ALONG AND EAST OF INTERSTATE 95.

RADAR AND SATELLITE ESTIMATES ARE INDICATING RAINFALL RATES OF
2-4 INCHES PER HOUR IN THE HEAVIEST RAINFALL BANDS. FLOOD WARNINGS
HAVE ALREADY BEEN ISSUED FOR SOME COASTAL NORTH CAROLINA COUNTIES.

BONNIE IS FORECAST TO LINGER IN EASTERN NORTH CAROLINA THROUGH
TONIGHT AND THURSDAY BEFORE EXITING OFF THE NORTHERN COAST OF NORTH
CAROLINA AROUND 2 AM FRIDAY. IF THIS FORECAST TRACK PROVES TO BE TRUE...
MANY EASTERN NORTH CAROLINA COUNTIES WILL EXPERIENCE DANGEROUS FLOODING.
^
A FLASH FLOOD WATCH CONTINUES IN EFFECT TONIGHT AND THURSDAY
FOR MUCH OF EASERN NORTH CAROLINA WITH THE GREATEST THREAT
EXISTING FROM ABOUT 40 MILES WEST OF I-95 TO THE COAST.

STAY INFORMED FOR FUTURE WEATHER UPDATES AND POSSIBLE WARNINGS.
REPORT ANY FLOODING OR WIND DAMAGE TO YOUR NEAREST LAW
ENFORCEMENT OFFICE FOR RELAY TO THE NATIONAL WEATHER SERVICE.

KK
Special weather statement, Aug 26, 7:00 PM EDT, 28 minutes before
NCZ007>011-021>028-038>043-073>078-083>086-088-089-270400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
700 PM EDT WED AUG 26 1998

... MAJOR FLOODING THREAT DUE TO SLOW MOVEMENT OF BONNIE ...

THE PURPOSE OF THIS STATEMENT IS TO EMPHASIZE THE THREAT OF FLOODING
FROM BONNIE. DUE TO ITS VERY SLOW MOVEMENT BONNIE WILL LIKELY PRODUCE
FLOODING IN MANY EASTERN NORTH CAROLINA COUNTIES TONIGHT AND THURSDAY...
ESPECIALLY THOSE COUNITES ALONG AND EAST OF INTERSTATE 95.

RADAR AND SATELLITE ESTIMATES ARE INDICATING RAINFALL RATES OF
2-4 INCHES PER HOUR IN THE HEAVIEST RAINFALL BANDS. FLOOD WARNINGS
HAVE ALREADY BEEN ISSUED FOR SOME COASTAL NORTH CAROLINA COUNTIES.

BONNIE IS FORECAST TO LINGER IN EASTERN NORTH CAROLINA THROUGH
TONIGHT AND THURSDAY BEFORE EXITING OFF THE NORTHERN COAST OF NORTH
CAROLINA AROUND 2 AM FRIDAY. IF THIS FORECAST TRACK PROVES TO BE TRUE...
MANY EASTERN NORTH CAROLINA COUNTIES WILL EXPERIENCE DANGEROUS FLOODING.
^
A FLASH FLOOD WATCH CONTINUES IN EFFECT TONIGHT AND THURSDAY
FOR MUCH OF EASERN NORTH CAROLINA WITH THE GREATEST THREAT
EXISTING FROM ABOUT 40 MILES WEST OF I-95 TO THE COAST.

STAY INFORMED FOR FUTURE WEATHER UPDATES AND POSSIBLE WARNINGS.
REPORT ANY FLOODING OR WIND DAMAGE TO YOUR NEAREST LAW
ENFORCEMENT OFFICE FOR RELAY TO THE NATIONAL WEATHER SERVICE.

KK

Nearby

Flash Flood Warnings in North Carolina, 1998Every flash flood warning in 1998

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.