Alert archive / North Carolina / Tornado Warnings in 1989

Tornado Warning 19, NWS Raleigh, NC

May 5, 1989Granville County, North Carolina

NWS Raleigh, NC issued this tornado warning at May 5, 1989, 7:37 PM EDT for Granville 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 5, 1989, 7:37 PM EDT (23:37 UTC)
Expired
May 5, 1989, 8:30 PM EDT
In force
53 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Granville 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

TimeReportWhereRemark
May 5, 8:05 PM EDTTornado F1Granville, 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.6 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.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 1989-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Greensboro/Hi Pt, NC at 12:00Z on 1989-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 213 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
213 m²/s²
0-3 km storm-relative helicity
239 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 052338
TORRDU
NCC077-060030-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
737 PM EDT FRI MAY 5 1989
 
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  830 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTH CENTRAL NORTH CAROLINA
          ...GRANVILLE
 
AT 730 PM NATIONAL WEATHER SERVICE RADAR INDICATED THE TORNADO
IN THE EASERN PORTION OF THE CITY OF DURHAM WAS MOVING NORTHEAST
40 MPH.
 
THIS TORNADO WILL MOVE INTO THE SOUTHERN PORTION OF GRANVILLE COUNTY
BY 745 PM.
 
PEOPLE IN SOUTHERN GRANVILLE COUNTY SHOULD PREPARE TO TAKE COVER.
 
A TORNADO WARNING CONTINUES IN EFFECT FOR DURHAM COUNTY UNTIL 8 PM.
 
 
 
 
 
TORNADOES IN THE SOUTH ARE HARD TO SEE BECAUSE OF RAIN...LOW
CLOUDS...AND TREES. TAKE COVER NOW...DO NOT TRY TO WAIT ON THE
STORM AND DO NOT TRY TO OUTRUN IT.

What forecasters said that day

The local office's own words before this tornado 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, May 5, 4:35 PM EDT, 3 hours 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
435 PM EDT FRI MAY 5 1989

...STRONG THUNDERSTORMS OVER THE NORTHWEST PIEDMONT OF NORTH CAROLINA...

AT 430 PM EDT THIS FRIDAY AFTERNOON WEATHER RADAR INDICATED A LARGE
AREA OF MODERATE TO HEAVY SHOWERS AND ISOLATED THUNDERSTORMS...SOME WITH
HEAVY DOWNPURS AND STRONG GUSTY WINDS. THE HEAVIEST STORM IS OVER
NORTHERN IREDELL COUNTY. MOVEMENT WAS TO THE NORTHEAST AT 40 MILES
PER HOUR.
s
THESE STORMS ARE CAPABLE OF PRODUCING STRONG WINDS..HEAVY DOWNPOURS
AND DANGEROUS LIGHTNING.  STAY TUNED TO YOUR LOCAL RADIO..TV OR NOAA
WEATHER RADIO FOR LATER STATEMENTS AND/OR POSSIBLE WARNINGS.

GR
Special weather statement, May 5, 5:15 PM EDT, 2 hours 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
514 PM EDT FRI MAY 5 1989

...TORNADO WATCH VALID UNTIL MIDNIGHT FOR THE ENTIRE NORTHWEST PIEDMONT
   ...NORTHERN FOOTHILLS AND THE NORTHERN MOUNTAINS
...STRONG THUNDERSTORMS OVER THE NORTHWEST PIEDMONT OF NORTH CAROLINA...

AT 510 PM EDT THIS FRIDAY AFTERNOON WEATHER RADAR INDICATED A LARGE
AREA OF MODERATE TO HEAVY SHOWERS AND ISOLATED THUNDERSTORMS...SOME WITH
HEAVY DOWNPOURS AND STRONG GUSTY WINDS. THE HEAVIEST STORM IS OVER
THE CITY OF GREENSBORO AND NORTHWEST IREDELL COUNTY OF THE NORTHWEST
PIEDMONT. MOVEMENT WAS TO THE NORTHEAST AT 40 MILES AN HOUR.

THESE STORMS ARE CAPABLE OF PRODUCING STRONG WINDS..HEAVY DOWNPOURS
AND DANGEROUS LIGHTNING.  STAY TUNED TO YOUR LOCAL RADIO..TV OR NOAA
WEATHER RADIO FOR LATER STATEMENTS AND/OR POSSIBLE WARNINGS.

GR
Special weather statement, May 5, 5:21 PM EDT, 2 hours 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
521 PM EDT FRI MAY 5 1989

A TORNADO WATCH IS IN EFFECT UNTIL MIDNIGHT FOR THE PIEDMONT AND
SANDHILLS OF NORTH CAROLINA. THE WATCH ALSO INCLUDES PORTIONS OF THE
NORTHERN MOUNTAINS...FOOTHILLS...AND COASTAL PLAIN.

THIS IS A PARTICULARLY DANGEROUS WEATHER SITUATION. THE POSSIBILITY
EXISTS THAT VERY DAMAGING TORNADOES WILL OCCUR IN NORTH CAROLINA.
SEVERE THUNDERSTORMS WITH LARGE HAIL AND DAMAGING WINDS ARE ALSO LIKELY.

THE AIR OVER THE STATE IS VERY UNSTABLE. A SMALL LOW PRESSURE SYSTEM
MOVING TOWARD THE STATE FROM THE SOUTHWEST WILL INCREASE THE CHANCE OF
SEVERE WEATHER THIS EVENING. DAMAGE HAS ALREADY OCCURRED IN NORTH
GEORGIA AS THE WEATHER SYSTEM MOVED THROUGH THAT AREA.

LISTEN TO LOCAL RADIO..TV..OR NOAA WEATHER RADIO FOR LATER STATEMENTS OR
POSSIBLE WARNINGS.
^
LGL
Local storm report, May 5, 5:44 PM EDT, 1 hour 53 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
540 PM EDT FRI MAY 05 1989

TIME           EVENT
 520 PM EDT    HEAVY RAIN...HAIL...TREE DOWN...REPORTED AS A TORNADO.
               NORTHERN CHAPEL HILL.

520 PM EDT     EMERGENCY COMMUNICATIONS CENTER ORANGE COUNTY...DIME
               SIZE HAIL NEW HOPE CHURCH ROAD OFF NC 86 NORTH OF
               CHAPEL HILL.

540 PM EDT     LARGE HAIL IN NORTHERN DURHAM COUNTY. SIZE OF PENNIES.

JBP
Special weather statement, May 5, 7:07 PM EDT, 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
700 PM EDT FRI MAY 5 1989

...TORNADO WATCH VALID UNTIL MIDNIGHT FOR THE ENTIRE NORTHWEST PIEDMONT
   ...NORTHERN FOOTHILLS AND THE NORTHERN MOUNTAINS
...STRONG THUNDERSTORMS OVER THE NORTHERN FOOTHILLS OF NORTH CAROLINA...

AT 655 PM EDT WEATHER RADAR SHOWS A LARGE AREA OF THUNDERSTORMS...SOME
WITH VERY HEAVY DOWNPOURS AND STRONG GUSTY WINDS OVER THE NORTHERN
FOOTHILL COUNTY OF WILKES AND EXTENDS SOUTH OF HICKORY NORTH CAROLINA.
MOVEMENT WAS TO THE NORTHEAST AROUND 45 MILES AN HOUR.

THESE STORMS ARE CAPABLE OF PRODUCING STRONG WINDS..HEAVY DOWNPOURS
...DANGEROUS LIGHTNING AND SOME FLOODING OF ROADWAYS AND LOW LYING AREAS.

PERSON IN ALEXANDER COUNTY OF THE NORTHERN FOOTHILLS AND IREDELL COUNTY
OF THE NORTHWEST PIEDMONT CAN EXPECT THUNDERSTORMS WITH VERY HEAVY RAIN
AND STRONG GUSTY WINDS AT AROUND 730 PM.

REPORT ANY SEVERE WEATHER TO YOUR NEAREST LAW ENFORCEMENT AGEQNCY
AND ADVISE THEM TO RELAY THE INFORMATION TO THE NATIONAL WEATHER
SERVICE.

THE NEXT STATEMENT WILL BE ISSUED WHEN CONDITIONS WARRANT.

GR
Local storm report, May 5, 7:32 PM EDT, 5 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
728 PM EDT FRI MAY 05 1989

TIME           EVENT
720 PM EDT     POSSIBLE TORNADO...12 INCH DIAMETER TREES TWISTED OFF
               ABOUT 30 FEET UP FROM THE GROUND. IN DURHAM COUNTY
               ABOUT 3 MILES WEST OF THE INTERSECTION OF NC 54 AND
               NC 55. POWER OUT.

JBP

The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 5, 5:16 PM EDTSevere Thunderstorm WarningRAHDurham, Orange59 min
May 5, 5:56 PM EDTSevere Thunderstorm WarningRAHMoore49 min
May 5, 6:18 PM EDTSevere Thunderstorm WarningRAHChatham42 min
May 5, 7:13 PM EDTSevere Thunderstorm WarningRAHDurham47 min
May 5, 7:31 PM EDTTornado WarningRAHDurham44 min

Nearby

Tornado Warnings in North Carolina, 1989Every tornado warning in 1989Tornadoes 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.