Alert archive / North Carolina / Flash Flood Warnings in 1998
Flash Flood Warning 61, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Apr 19, 1998, 12:07 PM EDT for Ashe County, Watauga 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
- Apr 19, 1998, 12:07 PM EDT (16:07 UTC)
- Expired
- Apr 19, 1998, 4:10 PM EDT
- In force
- 4 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
Counties Ashe County, NC, Watauga County, NC
The radar
The Roanoke radar (KFCX), 141 km from the middle of the area, began a volume at 16:09 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 4.1 hours before the alert went out and 155 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 499 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 408 m²/s²
- 0-3 km storm-relative helicity
- 462 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 KROA 191607 FFWRNK NCC009-189-192010- BULLETIN--EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BLACKSBURG VA 1207 PM EDT SUN APR 19 1998 THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A * FLASH FLOOD WARNING FOR... ASHE COUNTY IN NORTHWESTERN NORTH CAROLINA WATAUGA COUNTY IN NORTHWESTERN NORTH CAROLINA * UNTIL 410 PM EDT * AT 1205 PM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAINFALL IN WATAUGA AND ASHE. RAIN WITH EMBEDDED THUNDERSTORMS ARE MOVING SLOWLY NORTHEAST. RAINFALL RATES OF A INCH PER HOUR ARE POSSIBLE OVER SATURATED GROUND. WATCH FOR RAPID RISES ALONG CREEKS AND SMALL STREAMS. * DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD! KK
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 Blacksburg, VA wrote its last area forecast discussion before this flash flood warning went out at Apr 19, 10:35 AM EDT, 1 hour 32 minutes earlier.
Area forecast discussion, Apr 19, 10:35 AM EDT, 1 hour 32 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BLACKSBURG VA 935 AM EST SUN APR 19 1998 RECOMMENADTIONS... .CRW...THANKS FOR ALL THE CALLS. WHAT DO YOU THINK ABOUT A FLASH FLOOD WATCH FOR OUR CWA ? .WBC...CALL FOR FURTHER DISCN. .RDU...WOULD KEEP FOR FLASH FLOOD WATCH UP FOR THIS AFTERNOON. DISCUSSION... KFCX 88D AT 13Z SHWD MAIN AREA OF SHOWERS BASICLY EAST OF A BOONE TO EKN LINE. PATCHES OF LIGHT RAIN...DRIZZLE AND FOG WERE ELSEWHERE. VAD WND PRF HAD S WINDS FRM 10 TO 30 KNTS FRM 4 TO 9 KFT. REGNL RADAR CMP DISPLAYED A BAND OF RAIN ACRS ERN KY/TN. 00Z RUN WAS IN GENERAL AGREEMENT ABT DEEPING LOW AND MOVG IT UP THE SPINE OF THE MTNS TDY. LOOKING AT ETA GARP DATA CAPE OF AROUND 500 PROGD FOR SE PORTIONS OF FA ARD 18-00Z. HOWEVER...CLOSE TO THE LOW IT MAY BE HARD TO GET SOME SUNSHINE. BEST THREAT FOR SEVERE WEATHER MAY BE OFF TO OUR EAST. BOTH THE ETA AND NGM SHOWED IMPRESSIVE QVEC INDUCED FCGG TODAY. THIS AFTERNOON FORECAST...CLOUDY WITH SHOWERS AND THUNDERSTORMS. HIGHS WILL VARY FRM ARD 60 TO ARD 70. HAVE TO RUN TAFS ARE CALLING... KK
In the hours before
Special weather statement, Apr 19, 6:35 AM EDT, 5 hours 32 minutes before
NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058- 059-WVZ042>045-201200- THUNDERSTORM POTENTIAL OUTLOOK NATIONAL WEATHER SERVICE BLACKSBURG VA 635 AM EDT SUN APR 19 1998 ...THERE IS A SLIGHT RISK OF SEVERE WEATHER LATE THIS AFTERNOON AND EVENING EAST OF THE BLUE RIDGE... LOW PRESSURE OVER EASTERN TENNESSEE EARLY THIS MORNING IS FORECAST TO MOVE ALONG THE APPALACHIAN MOUNTAINS TO A POSITION OVER THE PANHANDLE OF MARYLAND THIS EVENING. AS THE TRACKS NORTHEAST... A WARM FRONT WILL LIFT ACROSS THE MID ATLANTIC REGION. THIS WILL ALLOW UNSTABLE AIR TO SPILL INTO THE FOOTHILLS AND PIEDMONT OF NORTH CAROLINA AND INTO FAR SOUTHERN VIRGINIA. SHOWERS AND THUNDERSTORMS ARE EXPECTED OVER THE RISK AREA THIS AFTERNOON THOUGH THIS EVENING AHEAD OF AN EASTWARD MOVING COLD FRONT. AS COLDER AIR ALOFT AND A STRONG JET STREAM ARRIVE LATE THIS AFTERNOON...SOME OF THE STORMS COULD BECOME SEVERE. THE MAIN THREAT IS EXPECTED TO BE DAMAGING WINDS. THE DANGER WILL BE HEIGHTENED BY THE RECENT AND EXPECTED RAINFALL. TREES AND POORLY SECURED STRUCTURES WILL BE TOPPLED MORE EASILY BECAUSE OF THE SOFT GROUND. LARGE HAIL IS ALSO POSSIBLE. SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON OR EVENING. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR THE LATEST WEATHER INFORMATION AND POSSIBLE WARNINGS. THIS OUTLOOK WILL BE UPDATED AROUND MIDDAY. DESROSIERS
Special weather statement, Apr 19, 6:35 AM EDT, 5 hours 32 minutes before
NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058- 059-WVZ042>045-201200- THUNDERSTORM POTENTIAL OUTLOOK NATIONAL WEATHER SERVICE BLACKSBURG VA 635 AM EDT SUN APR 19 1998 ...THERE IS A SLIGHT RISK OF SEVERE WEATHER LATE THIS AFTERNOON AND EVENING EAST OF THE BLUE RIDGE... LOW PRESSURE OVER EASTERN TENNESSEE EARLY THIS MORNING IS FORECAST TO MOVE ALONG THE APPALACHIAN MOUNTAINS TO A POSITION OVER THE PANHANDLE OF MARYLAND THIS EVENING. AS THE TRACKS NORTHEAST... A WARM FRONT WILL LIFT ACROSS THE MID ATLANTIC REGION. THIS WILL ALLOW UNSTABLE AIR TO SPILL INTO THE FOOTHILLS AND PIEDMONT OF NORTH CAROLINA AND INTO FAR SOUTHERN VIRGINIA. SHOWERS AND THUNDERSTORMS ARE EXPECTED OVER THE RISK AREA THIS AFTERNOON THOUGH THIS EVENING AHEAD OF AN EASTWARD MOVING COLD FRONT. AS COLDER AIR ALOFT AND A STRONG JET STREAM ARRIVE LATE THIS AFTERNOON...SOME OF THE STORMS COULD BECOME SEVERE. THE MAIN THREAT IS EXPECTED TO BE DAMAGING WINDS. THE DANGER WILL BE HEIGHTENED BY THE RECENT AND EXPECTED RAINFALL. TREES AND POORLY SECURED STRUCTURES WILL BE TOPPLED MORE EASILY BECAUSE OF THE SOFT GROUND. LARGE HAIL IS ALSO POSSIBLE. SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON OR EVENING. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR THE LATEST WEATHER INFORMATION AND POSSIBLE WARNINGS. THIS OUTLOOK WILL BE UPDATED AROUND MIDDAY. DESROSIERS
Special weather statement, Apr 19, 11:30 AM EDT, 37 minutes before
NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058- 059-WVZ042>045-201200- THUNDERSTORM POTENTIAL OUTLOOK NATIONAL WEATHER SERVICE BLACKSBURG VA 1130 AM EDT SUN APR 19 1998 ...THERE IS A SLIGHT RISK OF SEVERE WEATHER LATE THIS AFTERNOON AND EVENING EAST OF THE BLUE RIDGE... LOW PRESSURE OVER EASTERN TENNESSEE THIS AFTERNOON WILL MOVE ALONG THE APPALACHIAN MOUNTAINS TO A POSITION OVER THE PANHANDLE OF MARYLAND THIS EVENING. AS THE TRACKS NORTHEAST... A WARM FRONT WILL LIFT ACROSS THE MID ATLANTIC REGION. THIS WILL ALLOW UNSTABLE AIR TO SPILL INTO THE FOOTHILLS AND PIEDMONT OF NORTH CAROLINA AND INTO FAR SOUTHERN VIRGINIA. SHOWERS AND THUNDERSTORMS ARE EXPECTED OVER THE RISK AREA THIS AFTERNOON THOUGH THIS EVENING AHEAD OF AN EASTWARD MOVING COLD FRONT. AS COLDER AIR ALOFT AND A STRONG JET STREAM ARRIVE LATE THIS AFTERNOON...SOME OF THE STORMS COULD BECOME SEVERE. THE MAIN THREAT IS EXPECTED TO BE DAMAGING WINDS. THE DANGER WILL BE HEIGHTENED BY THE RECENT AND EXPECTED RAINFALL. TREES AND POORLY SECURED STRUCTURES WILL BE TOPPLED MORE EASILY BECAUSE OF THE SOFT GROUND. LARGE HAIL IS ALSO POSSIBLE. SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON OR EVENING. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR THE LATEST WEATHER INFORMATION AND POSSIBLE WARNINGS. DESROSIERS/KOSTURA
Special weather statement, Apr 19, 11:30 AM EDT, 37 minutes before
NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058- 059-WVZ042>045-201200- THUNDERSTORM POTENTIAL OUTLOOK NATIONAL WEATHER SERVICE BLACKSBURG VA 1130 AM EDT SUN APR 19 1998 ...THERE IS A SLIGHT RISK OF SEVERE WEATHER LATE THIS AFTERNOON AND EVENING EAST OF THE BLUE RIDGE... LOW PRESSURE OVER EASTERN TENNESSEE THIS AFTERNOON WILL MOVE ALONG THE APPALACHIAN MOUNTAINS TO A POSITION OVER THE PANHANDLE OF MARYLAND THIS EVENING. AS THE TRACKS NORTHEAST... A WARM FRONT WILL LIFT ACROSS THE MID ATLANTIC REGION. THIS WILL ALLOW UNSTABLE AIR TO SPILL INTO THE FOOTHILLS AND PIEDMONT OF NORTH CAROLINA AND INTO FAR SOUTHERN VIRGINIA. SHOWERS AND THUNDERSTORMS ARE EXPECTED OVER THE RISK AREA THIS AFTERNOON THOUGH THIS EVENING AHEAD OF AN EASTWARD MOVING COLD FRONT. AS COLDER AIR ALOFT AND A STRONG JET STREAM ARRIVE LATE THIS AFTERNOON...SOME OF THE STORMS COULD BECOME SEVERE. THE MAIN THREAT IS EXPECTED TO BE DAMAGING WINDS. THE DANGER WILL BE HEIGHTENED BY THE RECENT AND EXPECTED RAINFALL. TREES AND POORLY SECURED STRUCTURES WILL BE TOPPLED MORE EASILY BECAUSE OF THE SOFT GROUND. LARGE HAIL IS ALSO POSSIBLE. SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON OR EVENING. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR THE LATEST WEATHER INFORMATION AND POSSIBLE WARNINGS. DESROSIERS/KOSTURA
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 2:29 PM EDT | Flash Flood Warning | RNK | Wilkes | 4 hr |
| Apr 19, 4:00 PM EDT | Flash Flood Warning | RNK | Ashe, Watauga | 2 hr |
| Apr 19, 4:10 PM EDT | Flash Flood Warning | RNK | Stokes, Surry | 3 hr |
| Apr 19, 4:10 PM EDT | Flash Flood Warning | RNK | Rockingham | 3 hr |
| Apr 19, 4:21 PM EDT | Severe Thunderstorm Warning | RNK | Rockingham | 49 min |
| Apr 19, 4:32 PM EDT | Tornado Warning | RNK | Rockingham | 33 min |
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.