Alert archive / North Carolina / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 49, NWS Blacksburg, VA
NWS Blacksburg, VA issued this severe thunderstorm warning at Jun 4, 1993, 8:10 PM EDT for Alamance County, North Carolina. It was in force for 35 min.
The area
The counties it named.
The facts
- Issued
- Jun 4, 1993, 8:10 PM EDT (00:10 UTC)
- Expired
- Jun 4, 1993, 8:45 PM EDT
- In force
- 35 min
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
County Alamance County, NC
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 00:00Z, 0.2 hours before the alert went out and 354 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
- 2862 J/kg
- Mixed-layer CIN
- -193 J/kg
- Mixed-layer LCL
- 999 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KGSO 050010 RRA
SVRGSO
NCC001-050045-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENSBORO NC
810 PM EDT FRI JUN 4 1993
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 845 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE STATE OF NORTH CAROLINA
SOUTHERN ALAMANCE
AT 808 PM RADAR SHOWED A SEVERE THUNDERSTORM IN SOUTHERN ALAMANCE
COUNTY MOVING TO EAST SOUTHEAST AT 45 MPH. THIS STORM HAS A HISTORY
OF PRODUCING LARGE HAIL.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.
REMEMBER..SEVERE THUNDERSTORS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH NO ADVANCE WARNING..SO BE ON THE LOOKOUT.
IhF THREATENING WEATHER APPROACHES..YOU SHOULD GO TO A SAFE PLACE
IMMEDIATELY. WHEN IT IS SAFE..ASK YOUR NEAREST LAW ENFORCEMENT
AGENCY TO RELAY YOUR SEVERE WEATHER REPORT TO THE LOCAL NATIONAL
WEATHER SERVICE OFFICE.
GTRWhat 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
Special weather statement, Jun 4, 2:37 PM EDT, 5 hours 33 minutes before
VAZ008-009-041200- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE LYNCHBURG VA 235 PM EDT FRI JUN 04 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE SOUTHWESTERN PIEDMONT AND THE SOUTHERN FOOTHILLS UNTIL 7PM TONIGHT... VOLENS WEATHER RADAR SHOWED THUNDERSTORMS...SOME HEAVY...FORMING OVER SOUTHWESTERN AND WESTERN VIRGINIA FROM GRAYSON COUNTY TO BATH COUNTY. SEVERE THUNDERSTORMS HAVE BEEN REPORTED IN PORTIONS OF WEST VIRGINIA. THESE THUNDERSTORMS ARE MOVING TO THE EAST AT 40 TO 50 MPH AND THERE IS A GOOD CHANCE THEY COULD PRODUCE STRONG WINDS AND HAIL. IF THREATENING STORM CONDITIONS OCCUR IN YOUR AREA TAKE SHELTER AND LISTEN TO NOAA WEATHER RADIO OR YOUR LO~CAL RADIO OR TV STATION FOR UPDATES AS THEY ARE ISSUED. MONROE
Special weather statement, Jun 4, 2:41 PM EDT, 5 hours 29 minutes before
VAZ008-009-042100- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE LYNCHBURG VA 235 PM EDT FRI JUN 04 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE SOUTHWESTERN PIEDMONT AND THE SOUTHERN FOOTHILLS UNTIL 7PM TONIGHT... VOLENS WEATHER RADAR SHOWED THUNDERSTORMS...SOME HEAVY...FORMING OVER SOUTHWESTERN AND WESTERN VIRGINIA FROM GRAYSON COUNTY TO BATH COUNTY. SEVERE THUNDERSTORMS HAVE BEEN REPORTED IN PORTIONS OF WEST VIRGINIA. THESE THUNDERSTORMS ARE MOVING TO THE EAST AT 40 TO 50 MPH AND THERE IS A GOOD CHANCE THEY COULD PRODUCE STRONG WINDS AND HAIL. IF THREATENING STORM CONDITIONS OCCUR IN YOUR AREA TAKE SHELTER AND LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR UPDATES AS THEY ARE ISSUED. MONROE
Special weather statement, Jun 4, 6:37 PM EDT, 1 hour 33 minutes before
VAZ008-009-013-014-015-016-042345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VIRGINIA 637 PM EDT FRI JUN 4 1993 ...THE SEVERE THUNDERSTORM WARNING WHICH WAS IN EFFECT FOR PATRICK COUNTY HAS BEEN CANCELLED... ...THE SEVERE THUNDERSTORM WATCH WHICH IS IN EFFECT FOR WEST CENTRAL VIRGINIA WILL BE ALLOWED TO EXPIRE AT 700 PM... ...THE SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT TO THE WEST OF THE ROANOKE VALLEY... AT 630 PM RADAR SHOWED RAIN WITH EMBEDDED THUNDERSTORMS REMAIN OVER MUCH OF SOUTHWEST AND WEST CENTRAL VIRGINIA. THE SEVERE THUNDERSTORMS WHICH PASSED THROUGH EARLIER HAVE MOVED INTO CENTRAL VIRGINIA TO THE EAST OF LYNCHBURG. A FEW STRONG THUNDERSTORMS REMAIN ALONG THE VIRGINIA AND NORTH CAROLINA BORDER OVER PATRICK AND HENRY COUNTIES. REPORTS FROM SKYWARN SPOTTERS ACROSS SOUTHWEST AND WEST CENTRAL VIRGINIA REPORT FREQUENT LIGHTNING CONTINUING...AND SOME SPOTS OF HEAVY RAIN REMAIN...BUT THEY ARE GETTING NO MORE REPORTS OF SEVERE WEATHER. THIS WOULD INCLUDE THOSE AREAS ALONG THE BLUE RIDGE MOUNTAINS...AND WESTWARD THROUGH THE ROANOKE VALLEY AREA AND INTO THE NEW RIVER VALLEY AREA. THERE HAVE BEEN NUMEROUS REPORTS OF TREES THAT WERE DOWNED EARLIER... THAT ARE STILL BLOCKING THE ROADS. MANY POWER LINES ARE ALSO REPORTED TO BE DOWN...AND MAY BE A HAZARD TO DRIVERS. JACKSON
Special weather statement, Jun 4, 6:40 PM EDT, 1 hour 30 minutes before
VAZ008-009-013-014-015-016-042345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VIRGINIA 637 PM EDT FRI JUN 4 1993 ...THE SEVERE THUNDERSTORM WARNING WHICH WAS IN EFFECT FOR PATRICK COUNTY HAS BEEN CANCELLED... ...THE SEVERE THUNDERSTORM WATCH WHICH IS IN EFFECT FOR WEST CENTRAL VIRGINIA WILL BE ALLOWED TO EXPIRE AT 700 PM... ...THE SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT TO THE WEST OF THE ROANOKE VALLEY... AT 630 PM RADAR SHOWED RAIN WITH EMBEDDED THUNDERSTORMS REMAIN OVER MUCH OF SOUTHWEST AND WEST CENTRAL VIRGINIA. THE SEVERE THUNDERSTORMS WHICH PASSED THROUGH EARLIER HAVE MOVED INTO CENTRAL VIRGINIA TO THE EAST OF LYNCHBURG. A FEW STRONG THUNDERSTORMS REMAIN ALONG THE VIRGINIA AND NORTH CAROLINA BORDER OVER PATRICK AND HENRY COUNTIES. REPORTS FROM SKYWARN SPOTTERS ACROSS SOUTHWEST AND WEST CENTRAL VIRGINIA REPORT FREQUENT LIGHTNING CONTINUING...AND SOME SPOTS OF HEAVY RAIN REMAIN...BUT THEY ARE GETTING NO MORE REPORTS OF SEVERE WEATHER. THIS WOULD INCLUDE THOSE AREAS ALONG THE BLUE RIDGE MOUNTAINS...AND WESTWARD THROUGH THE ROANOKE VALLEY AREA AND INTO THE NEW RIVER VALLEY AREA. THERE HAVE BEEN NUMEROUS REPORTS OF TREES THAT WEREx DOWNED EARLIER... THAT ARE STILL BLOCKING THE ROADS. MANY POWER LINES ARE ALSO REPORTED TO BE DOWN...AND MAY BE A HAZARD TO DRIVERS. JACKSON
Special weather statement, Jun 4, 7:44 PM EDT, 26 minutes before
VAZ008-009-014-050145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VIRGINIA 744 PM EDT FRI JUN 4 1993 ...THE SEVERE THUNDERSTORM WARNING WHICH WAS IN EFFECT FOR EASTERN PITTSYLVANNIA COUNTY AND THE CITY OF DANVILLE HAS EXPIRED... ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM FOR PORTIONS OF THE SOUTHWEST PIEDMONT AND SOUTHERN FOOTHILLS... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM FOR THE FOLLOWING COUNTIES IN THE SOUTHWEST PIEDMONT AND SOUTHERN FOOTHILLS: AMHERST...APPOMATTOX...CHARLOTTE AND HALIFAX. AT 735 PM RADAR SHOWED AN AREA OF RAIN WITH EMBEDDED THUNDERSTORMS OVER CENTRAL VIRGINIA. STRONG THUNDERSTORMS WERE OVER EASTERN VIRGINIA FROM NEAR RICHMOND... EXTENDING SOUTHWARD INTO NORTH CAROLINA. MORE THUNDERSTORMS MAY DEVELOP OVER THE SOUTHWEST PIEDMONT AND SOUTHERN FOOTHILLS. LIGHTNING AND GUSTY WINDS CAN STILL BE EXPECTED FROM THE FEW THUNDERSTORMS THAT REMAIN EMBEDDED IN THE RAIN. NUMEROUS REPORTS OF DOWNED TREES AND POWER LINES INDICATE THAT DRIVING COULD STILL BE HAZARDOUS ACROSS WEST CENTRAL VIRGINIA. JACKSON
Special weather statement, Jun 4, 7:46 PM EDT, 24 minutes before
VAZ008-009-014-050145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROANOKE VIRGINIA 744 PM EDT FRI JUN 4 1993 ...THE SEVERE THUNDERSTORM WARNING WHICH WAS IN EFFECT FOR EASTERN PITTSYLVANNIA COUNTY AND THE CITY OF DANVILLE HAS EXPIRED... ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM FOR PORTIONS OF THE SOUTHWEST PIEDMONT AND SOUTHERN FOOTHILLS... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM FOR THE FOLLOWING COUNTIES IN THE SOUTHWEST PIEDMONT AND SOUTHERN FOOTHILLS: AMHERST...APPOMATTOX...CHARLOTTE AND HALIFAX. AT 735 PM RADAR SHOWED AN AREA OF RAIN WITH EMBEDDED THUNDERSTORMS OVER CENTRAL VIRGINIA. STRONG THUNDERSTORMS WERE OVER EASTERN VIRGINIA FROM NEAR RICHMOND... EXTENDING SOUTHWARD INTO NORTH CAROLINA. MORE THUNDERSTORMS MAY DEVELOP OVER THE SOUTHWEST PIEDMONT AND SOUTHERN FOOTHILLS. LIGHTNING AND GUSTY WINDS CAN STILL BE EXPECTED FROM THE FEW THUNDERSTORMS THAT REMAIN EMBEDDED IN THE RAIN. NUMEROUS REPORTS OF DOWNED TREES AND POWER LINES INDICATE THAT DRIVING COULD STILL BE HAZARDOUS ACROSS WEST CENTRAL VIRGINIA. JACKSON
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 8:04 PM EDT | Severe Thunderstorm Warning | RNK | Davidson | 56 min |
| Jun 5, 2:47 PM EDT | Severe Thunderstorm Warning | RNK | Iredell | 58 min |
| Jun 5, 3:04 PM EDT | Severe Thunderstorm Warning | RNK | Rowan | 56 min |
| Jun 5, 3:55 PM EDT | Severe Thunderstorm Warning | RNK | Iredell | 65 min |
| Jun 5, 4:04 PM EDT | Severe Thunderstorm Warning | RNK | Rowan | 56 min |
| Jun 5, 4:52 PM EDT | Severe Thunderstorm Warning | RNK | Guilford | 68 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 1993Every severe thunderstorm warning in 1993
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.