Alert archive / Maryland / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 83, NWS Charleston, WV
NWS Charleston, WV issued this severe thunderstorm warning at Jul 9, 1990, 8:29 PM EDT for Garrett County, Maryland. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Jul 9, 1990, 8:29 PM EDT (00:29 UTC)
- Expired
- Jul 9, 1990, 9:30 PM EDT
- In force
- 61 min
- Issued by
- NWS Charleston, WV
- Area
- Whole counties
County Garrett County, MD
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
Pittsburgh, PA (KPIT), launched 00:00Z, 0.5 hours before the alert went out and 121 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
- 1656 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 688 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KEKN 100029 SVREKN MDC023-100130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ELKINS WV 829 PM EDT MON JUL 9 1990 THE NATIONAL WEATHER SERVICE IN ELKINS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 930 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST MARYLAND ...NORTHERN GARRETT COUNTY AT 829 PM EDT RADAR SHOWED A SEVERE THUNDERSTORM OVER NORTHWESTERN GARRETT COUNTY OF WESTERN MARYLAND NEAR FRIENDSVILLE MOVING EAST SOUTHEAST AT 25 TO 30 MILES AN HOUR. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS. NNNN
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
Special weather statement, Jul 9, 4:26 PM EDT, 4 hours 3 minutes before
WVZ002>009-012-VA015-016-092200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON WV 425 PM EDT MON JUL 9 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 606 IS IN EFFECT FOR EXTREME NORTHWESTERN WEST VIRGINIA INCLUDING THE NORTHERN PANHANDLE UNTIL 900 PM... VERY STRONG THUNDERSTORMS CONTINUE TO DEVELOP ACROSS PENSYLVANIA... OHIO..AND ON WEST INTO INDIANA. THESE STORMS ARE THE RESULT OF HOT HUMID AIR INTERACTING WITH A COLD FRONT DRIFTING SOUTH THROUGH OHIO AND PENSYLVANIA. HIGH WINDS DUE TO A THUNDERSTORM CAUSED TREES AND POWER LINES TO GO DOWN IN COSHOCTON COUNTY BETWEEN ZANESVILLE AND AKRON OH EARLIER THIS AFTERNOON. A SEVERE THUNDERSTORM WARNING WAS ISSUED FOR THIS STORM. AT 215 PM THE SHOWERS AND THUNDERSTORMS WERE NORTH OF A LINE FROM JUST NORTH OF CINCINNATI TO JUST SOUTH OF ZANESVILLE AND JUST NORTH OF THE PENSYLVANIA/WEST VIRGINIA BORDER. THE STORMS ARE MOVING TO THE EAST AT ABOUT 30 MPH BUT THE AREA IS DROPPING SOUTH AT ABOUT 10 MPH. THESE STORMS WILL CONTINUE TO DEVELOP AND MOVE INTO WEST VIRGINIA FOR THE REST OF THIS AFTERNOON AND INTO THE EVENING. VERY HEAVY BRIEF RAIN AND FREQUENT AND INTENSE LIGHTNING IS LIKELY WITH THESE STORMS. THEY MAY ALSO PRODUCE STRONG DAMAGING WINDS AND LARGE HAIL. STAY TUNED TO YOUR LOCAL RADIO OR TV STATIONS OR TO THE NEAREST NOAA WEATHER RADIO FOR THE LATEST STATEMENTS AND WARNINGS ISSUED BY THE NATIONAL WEATHER SERVICE. TO REPORT SEVERE WEATHER OR FLASH FLOODING CALL YOUR NEAREST LAW ENFORCEMENT AGENCY AND ASK THEM TO RELAY THE INFORMATION TO THE NATIONAL WEATHER SERVICE. DGH
Special weather statement, Jul 9, 5:56 PM EDT, 2 hours 33 minutes before
WVZ005-009-010-011-MDZ008-009-102300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ELKINS WV 5:50 PM EDT MON JUL 9 1990 A BAND OF SHOWERS AND HEAVY THUNDERSTORMS HAVE BEEN DRIFTING SOUTH ACROSS WESTERN PENNSYLVANIA DURING THE AFTERNOON. SOME OF THE THUNDERSTORMS HAVE BEEN PRODUCING STRONG DAMAGING WIND, AND HAIL OF THREE-QUARTERS INCH OR LARGER. THE SOUTHERN EDGE OF THIS BAND OF THUNDERSTORMS IS MOVING SOUTH ACROSS THE PENNSYLVANIA/WEST VIRIGNIA BORDER INTO NORTHERN MONONGALIA, NORTHERN PRESTON COUNTIES IN WEST VIRGINIA, AND INTO NORTHERN GARRETT AND NORTHERN ALLEGANY COUNTIES IN MARYLAND AT 5:50 PM EDT. PERSONS LIVING IN MONONGALIA AND PRESTON COUNTIES IN NORTHERN WEST VIRGINIA, AND IN GARRETT AND ALLEGANY COUNTIES IN WESTERN MARYLAND SHOULD BE ON THE LOOKOUT UNTIL 6 PM EDT FOR THREATENING WEATHER, AN LISTEN FOR POSSIBLE THUNDERSTORM WARNINGS. UPON THE FIRST INDICAITONS OF AN APPROCHING THUNDERSTORM, YOU SHOULD SEEK SHELTER IN A WELL BUILT, WELL CONSTRUCTED BUILDING. REMEMBER...ALL LIGHTNING IS LIFE THREATENING. TAKE PRECAUTIONS IMMEDIATELY. END/HILL/FERRELL
Special weather statement, Jul 9, 5:58 PM EDT, 2 hours 31 minutes before
WVZ005-009-010-011-MDZ008-009-102300- SPECIAL WEATHER STATEMENT - CORRECTION NATIONAL WEATHER SERVICE ELKINS WV 5:50 PM EDT MON JUL 9 1990 A BAND OF SHOWERS AND HEAVY THUNDERSTORMS HAVE BEEN DRIFTING SOUTH ACROSS WESTERN PENNSYLVANIA DURING THE AFTERNOON. SOME OF THE THUNDERSTORMS HAVE BEEN PRODUCING STRONG DAMAGING WIND, AND HAIL OF THREE-QUARTERS INCH OR LARGER. THE SOUTHERN EDGE OF THIS BAND OF THUNDERSTORMS IS MOVING SOUTH ACROSS THE PENNSYLVANIA/WEST VIRIGNIA BORDER INTO NORTHERN MONONGALIA, NORTHERN PRESTON COUNTIES IN WEST VIRGINIA, AND INTO NORTHERN GARRETT AND NORTHERN ALLEGANY COUNTIES IN MARYLAND AT 5:50 PM EDT. PERSONS LIVING IN MONONGALIA AND PRESTON COUNTIES IN NORTHERN WEST VIRGINIA, AND IN GARRETT AND ALLEGANY COUNTIES IN WESTERN MARYLAND SHOULD BE ON THE LOOKOUT UNTIL 7 PM EDT FOR THREATENING WEATHER, AN LISTEN FOR POSSIBLE THUNDERSTORM WARNINGS. UPON THE FIRST INDICAITONS OF AN APPROCHING THUNDERSTORM, YOU SHOULD SEEK SHELTER IN A WELL BUILT, WELL CONSTRUCTED BUILDING. REMEMBER...ALL LIGHTNING IS LIFE THREATENING. TAKE PRECAUTIONS IMMEDIATELY. END/HILL/FERRELL
Special weather statement, Jul 9, 6:11 PM EDT, 2 hours 18 minutes before
WVZ002>009-012-VA015-016-100000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON WV 615 PM EDT MON JUL 9 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 606 IS IN EFFECT FOR EXTREME NORTHWESTERN WEST VIRGINIA INCLUDING THE NORTHERN PANHANDLE UNTIL 900 PM... AT 600 PM STRONG THUNDERSTORMS HAVE MOVED INTO EXTREME NORTHERN WEST VIRGINIA. THE STORMS EXTENDED FROM NEAR PARKERSBURG TO JUST SOUTHEAST OF MOUNDSVILLE. THE STRONGEST STORMS WERE IN SOUTHERN MARSHALL COUNTY AND NORTHWESTERN WETZEL COUNTY. THE STORMS ARE MOVING TO THE EAST SOUTHEAST AT ABOUT 25 MPH. THESE STROMS ARE CAPABLE OF PRODUCING DAMAGING WINDS...LARGE HAIL... FREQUENT AND INTENSE LIGHTNING...AND BRIEF HEAVY RAIN. PERSONS IN NORTHWESTERN WEST VIRGINIA SHOULD BE ALERT FOR SEVERE WEATHER AND FLASH FLOODING AND BE PREPARED TO MOVE TO A PLACE OF SAFETY. REMEMBER LIGHTNING KILLS MORE PEOPLE ON THE AVERAGE EACH YEAR THAN HURRICANES OR TORNADOES. THESE STORMS WILL CONTINUE TO DEVELOP AND MOVE ACROSS WEST VIRGINIA FOR THE REST OF THIS EVENING. STAY TUNED TO YOUR LOCAL RADIO OR TV STATIONS OR TO THE NEAREST NOAA WEATHER RADIO FOR THE LATEST STATEMENTS AND WARNINGS ISSUED BY THE NATIONAL WEATHER SERVICE. TO REPORT SEVERE WEATHER OR FLASH FLOODING CALL YOUR NEAREST LAW ENFORCEMENT AGENCY AND ASK THEM TO RELAY THE INFORMATION TO THE NATIONAL WEATHER SERVICE. DGH
Special weather statement, Jul 9, 8:04 PM EDT, 25 minutes before
WVZ006-100100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BECKLEY WV 805 PM EDT MON JUL 9 1990 AT 800 PM EDT NATIONAL WEATHER SERVICE RADAR AT BECKLEY SHOWED A THUNDERSTORM ALONG THE MINGO...LOGAN COUNTY BORDER 5 MILES WEST OF LOGAN. THIS THUNDERSTORM IS MOVING EAST 25 MILES AN HOUR. BRIEF HEAVY RAINFALL...SMALL HAIL...STRONG GUSTY WINDS AND DANGEROUS LIGHTNING MAY ACCOMPANY THIS STORM AS IT MOVES THROUGH LOGAN COUNTY BETWEEN NOW AND 90}0 PM. IF YOU ARE IN LOGAN COUNTY YOU SHOULD SEEK SAFE INDOOR SHELTER IF THIS THUNDERSTORM APPROACHES AND REMAIN INDOORS UNTIL IT HAS PASSED. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION. END/PLATE
Nearby
Severe Thunderstorm Warnings in Maryland, 1990Every severe thunderstorm 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.