Alert archive / Virginia / Flash Flood Warnings in 1998
Flash Flood Warning 55, NWS Morristown, TN
NWS Morristown, TN issued this flash flood warning at Apr 19, 1998, 7:03 AM EDT for Russell County, Washington County, Virginia. It was in force for 3 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, 7:03 AM EDT (11:03 UTC)
- Expired
- Apr 19, 1998, 10:00 AM EDT
- In force
- 3 hr
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
Counties Russell County, VA, Washington County, VA
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 11.1 hours before the alert went out and 208 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
- 584 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 260 m²/s²
- 0-3 km storm-relative helicity
- 474 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 KMRX 191104 FFWMRX NCC043-TNC019-059-091-163-171-179-VAC167-191-191400- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 703 AM EDT SUN APR 19 1998 THE NATIONAL WEATHER SERVICE IN KNOXVILLE/TRI-CITIES HAS ISSUED A * FLASH FLOOD WARNING FOR... CARTER COUNTY IN EASTERN TENNESSEE GREENE COUNTY IN EASTERN TENNESSEE JOHNSON COUNTY IN EASTERN TENNESSEE SULLIVAN COUNTY IN EASTERN TENNESSEE UNICOI COUNTY IN EASTERN TENNESSEE WASHINGTON COUNTY IN EASTERN TENNESSEE CLAY COUNTY IN SOUTHWESTERN NORTH CAROLINA RUSSELL COUNTY IN SOUTHWESTERN VIRGINIA WASHINGTON COUNTY IN SOUTHWESTERN VIRGINIA * UNTIL 1000 AM EDT * AT 700 AM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LARGE AREA OF MODERATE RAINFALL WITH EMBEDDED HEAVIER SHOWERS OVER EAST TENNESSEE... SOUTHWEST NORTH CAROLINA...AND SOUTHWEST VIRGINIA... MOVING SLOWLY EAST. * EXCESSIVE RAINFALL AT THE RATE OF AS MUCH AS ONE INCH PER HOUR WILL PRODUCE FLOODING ANYWHERE IN THE WARNING AREA THROUGH 1000 AM EDT. *DON'T DRIVE ACROSS FLOODED ROADS! MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. THIS IS A POTENTIALLY LIFE THREATENING SITUATION. THIS STORM SYSTEzM HAS ALREADY CAUSED EXTENSIVE DAMAGE AND A POSSIBLE FATALITY.
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 Morristown, TN wrote its last area forecast discussion before this flash flood warning went out at Apr 19, 3:30 AM EDT, 3 hours 33 minutes earlier.
Area forecast discussion, Apr 19, 3:30 AM EDT, 3 hours 33 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 330 AM EDT SUN APR 19 1998 SURFACE LOW FORMED OVER EXTREME SOUTHWEST NORTH CAROLINA. KHTX AND KMRX 88DS STILL SHOWING MODERATE RAIN OCCURRING OVER MUCH OF THE CWA. FLOOD WARNINGS CURRENTLY IN EFFECT FOR ALL COUNTIES EXCEPT EXTREME NORTHEAST TN...CLAY COUNTY IN NORTH CAROLINA...AND RUSSELL AND WASHINGTON COUNTIES IN SOUTHWEST VA. MAY HAVE TO INCLUDE THOSE COUNTIES LATER. WITH THE SATURATED GROUND...THINK THE FLOOD WATCH SHOULD BE CONTINUED FOR ENTIRE CWA THROUGH SUNDAY. PROBABLY CAN TAKE THE FLASH OUT...JUST A FLOOD WATCH. MODELS FAIRLY SIMILAR ON TRACK OF SURFACE LOW. LOW SHOULD REACH NORTHERN VA BY SUNDAY EVENING THEN CONTINUE UP THE EAST COAST. RAIN IS EXPECTED TO END FROM WEST TO EAST THIS MORNING EXCEPT IN THE NORTHERN VALLEY (TRI)...NORTHERN APPALACHIANS AND SOUTHWEST VA WHERE RAIN WILL PROBABLY LINGER INTO THE EARLY AFTERNOON. LOW LEVEL MOISTURE AT 90+ THROUGH SUNDAY EVENING SO THE SKY SHOULD REMAIN MOSTLY CLOUDY THROUGH SUNDAY. DRIER AIR IS PUSHING IN FROM WEST BY SUNDAY NIGHT...SO CLOUDS SHOULD START SCATTERING BEGINNING OVER THE WESTERN COUNTIES. NEXT TROF MOVING IN ON TUESDAY. FAIRLY GOOD COLD AIR ADVECTION IN THE LOW LEVELS AS THE 850MB LOW MOVES TO THE NORTHEAST TODAY. GUIDANCE TEMPERATURES ARENT TOO DIFFERENT...WOULD LEAN TOWARD THE COOLER FAN FOR SUNDAY. GH
In the hours before
Local storm report, Apr 19, 1:10 AM EDT, 5 hours 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN
110 AM EDT SUN APR 19 1998
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1025 PM NEAR CLEVELAND TN 0.88 INCH HAIL
04/18/98 BRADLEY DIME TO NICKEL SIZE HAIL
REPORTED BY HAM OPERATOR
900 PM CHATTANOOGA TN 0.88 INCH HAIL
04/18/98 HAMILTON NICKEL SIZE HAIL. POLICE CAR DAMAGED.
REPORT FROM SHERIFF'S OFFICE.
1150 PM CLAIRFIELD COMMUNITY TN FLOODING
04/18/98 CLAIBORNE NUMEROUS ROADS FLOODED AND
WATER UP TO SOME HOMES
840 PM COUNTY WIDE TN FLOODING
04/18/98 HAMILTON ROADS FLOODED ACROSS THE
COUNTY REPORTED BY SHERIFF'S
OFFICE
1125 PM COKER CREEK TN 0.88 INCH HAIL
04/18/98 MONROE NICKEL SIZE HAIL AND WINDS
35-45 MPH
1125 PM SOUTHEAST COUNTY TN FLOODING
04/18/98 BRADLEY 2 TO 3 INCHES OF WATER
ACROSS ROADS OVER SOUTHEAST
, PART OF COUNTY ESPECIALLY
BATES PIKEThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 11:04 PM EDT | Flash Flood Warning | MRX | Lee | 5 hr |
| Apr 19, 1:47 AM EDT | Flash Flood Warning | MRX | Lee, Scott, Wise | 8 hr |
Nearby
Flash Flood Warnings in Virginia, 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.