Alert archive / North Carolina / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 9, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Apr 24, 1987, 5:41 PM EDT for Halifax County, North Carolina. It was in force for 59 min. 2 reports 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
- Apr 24, 1987, 5:41 PM EDT (21:41 UTC)
- Expired
- Apr 24, 1987, 6:40 PM EDT
- In force
- 59 min
- Issued by
- NWS Raleigh, NC
- Area
- Whole counties
County Halifax 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 24, 5:57 PM EDT | Hail 1 | Halifax, NC | |
| Apr 24, 6:00 PM EDT | Hail 0.75 | Halifax, 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, 9.7 hours before the alert went out and 203 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
- 11 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 567 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KRDU 242141 SVRRDU NCC083-242240- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RALEIGH NC 541 PM EDT FRI APR 24 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 640 PM EDT FOR THE FOLLOWING COUNTY OF NORTH CAROLINA... EASTERN HALIFAX NATIONAL WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM NEAR SCOTLAND NECK MOVING NORTHEAST AT 30 MPH. PEOPLE IN THE PxATH OF THIS STORM SHOULD BE ALERT FOR LARGE HAIL... DAMAGING WINDS...FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN. DMD
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.
In the hours before
Local storm report, Apr 24, 1:46 PM EDT, 3 hours 55 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE GREENSBORO NC
141 PM EDT FRI APR 24 1987
ATTN SELS...
1712Z 1112 CST 3/4 INCH HAIL AT SALISBURY IN ROWAN CNTY..FROM ROWAN
SHERIFF.
RBN
CORRECTED kFOR TIME MESSAGE SENTSpecial weather statement, Apr 24, 2:18 PM EDT, 3 hours 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 218 PM EDT FRI APR 24 1987 ...VERY HEAVY THUNDERSTORMS OVER THE NORTHWEST PIEDMONT OF NC... AT 215 PM EDT RADAR SHOWED A LINE OF VERY HEAVY THUNDERSTORMS FROM NORTH OF THE TRIAD ALONG THE VIRGINIA BORDER THROUGH THE TRIAD TO LEXINGTON AND JUST WEST OF HIGH ROCK LAKE. THE STORMS WERE MOVING NORTHEAST AT 20 TO 25 MPH. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING VERY HEAVY DOWNPOURS..HAIL STRONG GUSTY WINDS AND FREQUENT LIGHNING. URBAN AND SMALL STREAM FLOODING IS ALSO A POSSBILITY. PERSONS IN ROCKINGHAM..GUILFORD..DAVIDSON..ROWAN AND WESTERN RANDOLPH COUNTIES IN THE NORTHWEST PIEDMONT OF NORTH CAROLINA SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND SHOULD TAKE SHELTER IF NECESSARY. THESE STORMS WILL PASS THROUGH THESE COUNTIES BETWEEN 215PM AND 330 PM THIS AFTERNOON. FURTHER STATEMENTS WILL BE ISSUED AS NEEDED. RBN
Special weather statement, Apr 24, 3:16 PM EDT, 2 hours 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENSBORO NC 315 PM EDT FRI APR 24 1987 ...VERY HEAVY THUNDERSTORMS OVER THE NORTHWEST PIEDMONT OF NC... AT 310 PM EDT RADAR SHOWED VERY HEAVY THUNDERSTORMS OVER RANDOLPH COUNTY. HEAVY THUNDERSTORMS WERE OVER GUILFORD AND DAVIDSON COUNTIES. THE STORMS WERE MOVING NORTHEAST AT 20 TO 25 MPH. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING VERY HEAVY DOWNPOURS..HAIL STRONG GUSTY WINDS AND FREQUENT LIGHNING. URBAN AND SMALL STREAM FLOODING IS ALSO A POSSBILITY. PERSONS IN GUILFORD..DAVIDSON..RANDOLPH..ALAMANCE AND CASWELL COUNTIES IN THE NORTHWEST PIEDMONT OF NORTH CAROLINA SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND SHOULD TAKE SHELTER IF NECESSARY. THE STORMS WILL PASS THROUGH THESE COUNTIES BETWEEN 315 PM AND 500 PM THIS AFTERNOON. FURTHER STATEMENTS WILL BE ISSUED AS NEEDED. RBN
Special weather statement, Apr 24, 4:03 PM EDT, 1 hour 38 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 400 PM EST FRI APR 24 1987 A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8 PM FOR MUCH OF CENTRAL AND EASTERN NORTH CAROLINA. A FLOOD WATCH IS IN EFFECT FOR MOST OF THE STATE BETWEEN THE MOUNTAINS AND THE COASTAL PLAINS. AT 340 PM NATIONAL WEATHER SERVICE RADAR AT RALEIGH-DURHAM SHOWED TWO LINES OF VERY STRONG THUNDERSTORMS. THE FIRST LINE EXTENDED FROM JUST NORTHEAST OF GREENSBORO...SOUTH TO ASHEBORO TO THE SOUTH CAROLINA LINE. THE LARGEST THUNDERSTORMS IN THIS LINE WERE WEST OF SOUTHERN PINES AND WEST OF BURLINGTON. THIS LINE WAS MOVING SLOWLY TO THE EAST AT 10 MPH. A SECOND BROAD LINE OF THUNDERSTORMS EXTENDED FROM JSLOW MOVEMENT OF THE THUNDERSTORMS. AT THIS TIME THE THREAT OF HEAVY RAINFALL IS GREATEST IN THE AREA BETWEEN ZEBULON AND ROCKY MOUNT. STAY TUNED TO YOUR LOCAL RADIO OR TELEVISION STATION OR NOAA WEATHER FOR THE MORE INFORMATION OR POSSIBLE WARNIUST WEST OF ROCKY MOUNT...SOUTH TO MOUNT OLIVE TO CLINTON. THIS LINE WAS ALSO MOVING SLOWLY TO THE EAST AT 10 MPH. THESE THUNDERSTORMS MAY PRODUCE LARGE HAIL AND STRONG DOWNBURST WINDS...AND THE THREAT OF FLOODING DUE TO RECIENT HEAVY RAINS AND NG. DMD
Special weather statement, Apr 24, 4:11 PM EDT, 1 hour 30 minutes before
SPECIAL WEATHER STATEMENT ....CORRECTION NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC 400 PM EST FRI APR 24 1987 A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8 PM FOR MUCH OF CENTRAL AND EASTERN NORTH CAROLINA. A FLOOD WATCH IS IN EFFECT FOR MOST OF THE STATE BETWEEN THE MOUNTAINS AND THE COASTAL PLAINS THROUGH TONIGHT. AT 340 PM NATIONAL WEATHER SERVICE RADAR AT RALEIGH-DURHAM SHOWED TWO LINES OF VERY STRONG THUNDERSTORMS. THE FIRST LINE EXTENDED FROM JUST NORTHEAST OF GREENSBORO...SOUTH TO ASHEBORO TO THE SOUTH CAROLINA LINE. THE LARGEST THUNDERSTORMS IN THIS LINE WERE WEST OF SOUTHERN PINES AND WEST OF BURLINGTON. THIS LINE WAS MOVING SLOWLY TO THE EAST AT 10 MPH. A SECOND BROAD LINE OF THUNDERSTORMS EXTENDED FROM JUST WEST OF ROCKY MOUNT...SOUTH TO MOUNT OLIVE TO CLINTON. THIS LINE WAS ALSO MOVING SLOWLY TO THE EAST AT 10 MPH. THESE THUNDERSTORMS MAY PRODUCE LARGE HAIL AND STRONG DOWNBURST WINDS...AND THE THREAT OF FLOODING DUE TO RECIENT HEAVY RAINS AND SLOW MOVING THUNDERSTORMS. AT THIS TIME THE THREAT OF HEAVY RAINFALL IS GREATEST IN THE AREA BETWEEN ZEBULON AND ROCKY MOUNT. STAY TUNED TO YOUR LOCAL RADIO OR TELEVISION STATION OR NOAA WEATHER FOR THE MORE INF#ORMATION OR POSSIBLE WARNING. DMD
Local storm report, Apr 24, 4:59 PM EDT, 42 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
456 PM EDT FRI APR 24 1987
TIME EVENT
415 PM EDT SEVERAL TREES BLOWN DOWN...TIN BLOWN OFF HOUSE IN
MOUNT OLIVE AREA. TREPORTED BY MOUNT OLIVE PD.
430 PM EDT MORE TREES WERE BLOWN DOWN 3 MILES NORTH MOUNT OLIVE.
THIS WAS LATEST REPORT FROM HIS AREA. MOUNT OLIVE IS
IN SOUTHERN WAYNE COUNTY.
WAJThe office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 2:15 PM EDT | Severe Thunderstorm Warning | RAH | Cumberland | 65 min |
| Apr 24, 4:10 PM EDT | Severe Thunderstorm Warning | RAH | Wayne | 60 min |
| Apr 24, 4:27 PM EDT | Severe Thunderstorm Warning | RAH | Greene, Lenoir | 63 min |
| Apr 24, 5:33 PM EDT | Severe Thunderstorm Warning | RAH | Lenoir | 57 min |
| Apr 24, 5:52 PM EDT | Severe Thunderstorm Warning | RAH | Northampton | 58 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 1987Every severe thunderstorm warning in 1987
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.