Alert archive / Virginia / Flash Flood Warnings in 1990
Flash Flood Warning 2, NWS Baltimore/Washington
NWS Baltimore/Washington issued this flash flood warning at May 15, 1990, 5:28 PM EDT for Rockingham County, Virginia. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- May 15, 1990, 5:28 PM EDT (21:28 UTC)
- Expired
- May 15, 1990, 7:30 PM EDT
- In force
- 2 hr
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties
County Rockingham County, VA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 9.5 hours before the alert went out and 137 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
- NaN m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 145 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 KWBC 152131
FFWWBC
VAC165-152330-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WASHINGTON DC
528 PM EDT TUE MAY 15 1990
THE NATIONAL WEATHER SERVICE IN WASHINGTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 730 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN WEST CENTRAL VIRGINIA
...NORTHERN ROCKINGHAM
NATIONAL WEATHER SERVICE RADAR INDICATES THAT A THUNDERSTORM HAS BEEN
NEARLY STATIONARY OVER PORTIONS OF NORTHERN ROCKINGHAM COUNTY
DURING THE PAST HALF HOUR AND IS CONTINUING TO INTENSIFY. THE STORM
HAS BEEN CLOSE TO THE COMMUNITIES OF NEW MARKET AND BROADWAY AND MAY
BE DRIFTING SLOWLY SOUTHEAST.
LOCALLY HEAVY RAIN...SMALL HAIL AND GUSTY WINDS WILL ACCOMPANY THE
STORM...LIKELY PRODUCING FLOODING OF SMALL STREAMS...CREEKS AND LOW
LYING AREAS FOR THE NEXT COUPLE OF HOURS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY. MOVE TO HIGHER GROUND.
STERNWhat 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.
In the hours before
Local storm report, May 15, 3:27 PM EDT, 2 hours 1 minute before
WBCLSRBWI
NATIONAL WEATHER SERVICE BALTIMORE, MD
STORM REPORT
330 PM EDT TUE MAY 15 1990
THE FOLLOWING IS A FOLLOW UP OF THE STORM REPORT OF 5/11/90 CONCERNING
STORM DAMAGE OF 5/10 AND AN INITIAL REPORT OF THE STORMS OF 5/13/90.
ADDENDUM TO TORNADO REPORT OF 5/11...THE TORNADO WAS CLASSIFIED AS AN
F1 ON THE FUJITA SCALE OF 0 TO 5. WINDS WERE ESTIMATED AT 100 TO 110
MPH. THE PATH LENGTH IN TWO SPOTS WAS JUDGED TO BE ABOUT 1/8TH OF A
MILE LONG AND 65 TO 100 FT. WIDE.
DATE/TIME LOCATION DAMAGE
5/10 610PM EDT N.E. DORCHESTER CO. MANY LARGE TREES DOWN
BETWEEN STATE ROADS
14 AND 313 IN THE
MARSHYHOPE AREA.
5/13 435PM TO N. CENTRAL CARROLL CO. LIMBS ON ROADWAYS AND
440PM LARGE TREES DOWN IN
FRIZZELLBURG AREA JUST
NORTH OF WESTMINSTER.
5/13 610PM BETWEEN LA PLATA AND LARGE TREES DOWN SOUTH
WHITE PLAINS EAST OF OF WHITE PLAINS PARK
RT. 301.
5/13 630PM SASSAFRAS RIVER AREA A MACHINE SHED WAS DESTOYED
BETWEEN LOCUST GROVE AND A CAR WAS THROWN SEVERAL
AND GALENA. YARDS INTO A HOUSE. TIN FROM
THE SHED WAS DEPOSITED CLOSE
TO 1/4 ML AWAY. SEVERAL EYE
WITNESSES INCLUDING A LOCAL
FARMER AND SEVERAL FIRE DEPT.
WORKERS REPORTED A SMALL
FUNNEL WHICH CAME DOWN TO
THE GROUND FOR AN INSTANT
AND QUICKLY MOVED BACK INTO
THE CLOUDS. A SMALL BARELY
DISCERNIBLE PATH WAS ALSO
REPORTED. THE FUNNEL WAS
ESTIMATED TO BE 30 TO 40 FT
WIDE.
WEATHER SERVICE PERSONNEL ON DUTY AT WSO BALTIMORE INDICATE THAT THIS
STORM FOLLOWED THE FLOW AND THE TIME FRAME OF THE TORNADO AT MIDDLETOWN
IN FREDERICK CO. SO IT APPEARS THAT A SMALL TORNADO REGENERATED FROM
THE SAME STORM SYSTEM. THE TORNADO WAS JUDGED TO BE AN F0 ON THE FUJITA
SCALE BASED ON THE EXTENT OF THE DAMAGE, THE SMALL PATH AND NARROW
FUNNEL WIDTH. BEST WIND ESTIMATES PLACE THE SPEED AT BETWEEN 70 AND 75
MPH.
DAVISLocal storm report, May 15, 3:29 PM EDT, 1 hour 59 minutes before
WBCLSRBWI
NATIONAL WEATHER SERVICE BALTIMORE, MD
STORM REPORT
330 PM EDT TUE MAY 15 1990
THE FOLLOWING IS A FOLLOW UP OF THE STORM REPORT OF 5/11/90 CONCERNING
STORM DAMAGE OF 5/10 AND AN INITIAL REPORT OF THE STORMS OF 5/13/90.
ADDENDUM TO TORNADO REPORT OF 5/11...THE TORNADO WAS CLASSIFIED AS AN
F1 ON THE FUJITA SCALE OF 0 TO 5. WINDS WERE ESTIMATED AT 100 TO 110
MPH. THE PATH LENGTH IN TWO SPOTS WAS JUDGED TO BE ABOUT 1/8TH OF A
MILE LONG AND 65 TO 100 FT. WIDE.
DATE/TIME LOCATION DAMAGE
5/10 610PM EDT N.E. DORCHESTER CO. MANY LARGE TREES DOWN
BETWEEN STATE ROADS
14 AND 313 IN THE
MARSHYHOPE AREA.
5/13 435PM TO N. CENTRAL CARROLL CO. LIMBS ON ROADWAYS AND
440PM LARGE TREES DOWN IN
FRIZZELLBURG AREA JUST
NORTH OF WESTMINSTER.
5/13 610PM BETWEEN LA PLATA AND LARGE TREES DOWN SOUTH
WHITE PLAINS EAST OF OF WHITE PLAINS PARK
RT. 301. CHARLES CO.
5/13 630PM SASSAFRAS RIVER AREA A MACHINE SHED WAS DESTOYED
BETWEEN LOCUST GROVE AND A CAR WAS THROWN SEVERAL
AND GALENA. KENT CO. YARDS INTO A HOUSE. TIN FROM
THE SHED WAS DEPOSITED CLOSE
TO 1/4 ML AWAY. SEVERAL EYE
WITNESSES INCLUDING A LOCAL
FARMER AND SEVERAL FIRE DEPT.
WORKERS REPORTED A SMALL
FUNNEL WHICH CAME DOWN TO
THE GROUND FOR AN INSTANT
AND QUICKLY MOVED BACK INTO
THE CLOUDS. A SMALL BARELY
DISCERNIBLE PATH WAS ALSO
REPORTED. THE FUNNEL WAS
ESTIMATED TO BE 30 TO 40 FT
WIDE.
WEATHER SERVICE PERSONNEL ON DUTY AT WSO BALTIMORE INDICATE THAT THIS
STORM FOLLOWED THE FLOW AND THE TIME FRAME OF THE TORNADO AT MIDDLETOWN
IN FREDERICK CO. SO IT APPEARS THAT A SMALL TORNADO REGENERATED FROM
THE SAME STORM SYSTEM. THE TORNADO WAS JUDGED TO BE AN F0 ON THE FUJITA
SCALE BASED ON THE EXTENT OF THE DAMAGE, THE SMALL PATH AND NARROW
FUNNEL WIDTH. BEST WIND ESTIMATES PLACE THE SPEED AT BETWEEN 70 AND 75
MPH.
DAVISNearby
Flash Flood Warnings in Virginia, 1990Every flash flood warning in 1990
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.