Severe Thunderstorm Warning 71, NWS Bismarck, ND

NDZ002-005-241835-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLISTON ND
1235 PM CDT FRI AUG 24 1990

...THUNDERSTORMS CONTINUE OVER NORTHWESTERN NORTH DAKOTA...

AT 1230 PM CDT...SHOWERS AND THUNDERSTORMS WERE OCCURRING OVER MUCH OF
BURKE...NORTHERN MOUNTRAIL AND NORTHEASTERN MCKENZIE COUNTIES OF
NORTHWEST NORTH DAKOTA.  THE STRONGEST THUNDERSTORMS WERE LOCATED 10
MILES SOUTHWEST OF KENMARE OR 60 MILES NORTHEAST OF WILLISTON NORTH
DAKOTA...BETWEEN WHITE EARTH AND STANLEY...OR 45 MILES EAST/NORTHEAST OF
WILLISTON AND NEAR THE TOWN OF KEENE OR 35 MILES SOUTHEAST OF WILLISTON.

MOVEMENT CONTINUED TO THE NORTHEAST AT 20 MPH.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING DEADLY LIGHTNING STRIKES...
SMALL HAIL AND PERIODS OF HEAVY RAIN.  IF THESE THUNDERSTORMS APPROACH
YOUR AREA...SEEK SHELTER INDOORS.

MARTIN

NDZ001>011-241930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
110 PM CDT FRI AUG 24 1990

...THUNDERSTORMS ARE MOVING INTO CENTRAL NORTH DAKOTA...

AT 1 PM CDT WEATHER RADAR INDICATED A LONG LINE OF SHOWERS AND
THUNDERSTORMS EXTENDING FROM THE CANADIAN BORDER 70 MILES NORTHWEST OF
MINOT TO THE SOUTH DAKOTA BORDER 70 MILES SOUTH OF DICKINSON. THE LINE
WAS MOVING EAST AT 20 MPH. THE STRONGEST THUNDERSTORMS WERE LOCATED
IN MOUNTRAIL COUNTY 40 MILES NORTHWEST OF MINOT. THESE THUNDERSTORMS
WILL MOVE INTO NORTHERN WARD AND RENVILLE COUNTIES BY 2 PM CDT.
TOWNS NEAR THE PATH OF THESE CELLS INCLUDE KENMARE AND MOHALL.

THE ATMOSPHERE OVER ALL OF NORTH DAKOTA IS BECOMING VERY UNSTABLE
AS THE AFTERNOON PROGRESSES. ANY ONE OF THESE THUNDERSTORMS IN THE
LINE HAS THE POTENTIAL TO BECOME SEVERE AND PRODUCE LARGE HAIL AND
DAMAGING WINDS. PERSONS IN CENTRAL NORTH DAKOTA SHOULD BE PREPARED
TO SEEK SHELTER IF THREATENING WEATHER APPROACHES.

LEBLANG

NDZ001>011-241930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
135 PM CDT FRI AUG 24 1990

...THUNDERSTORMS ARE MOVING THROUGH CENTRAL NORTH DAKOTA...

AT 125 PM CDT WEATHER RADAR CONTINUED TO DETECT A LONG LINE OF
THUNDERSTORMS FROM THE CANADIAN BORDER 70 MILES NORTHWEST OF MINOT
TO 70 MILES SOUTHEAST OF DICKINSON. THE LINE WAS MOVING EAST AT 15 MPH.
THE STRONGEST THUNDERSTORM IN THE LINE WAS LOCATED 50 MILES WEST OF
BISMARCK AND WAS MOVING NORTHEAST AT 20 MPH. IT WILL MOVE INTO OLIVER
COUNTY AND PASS NEAR HANNOVER AND CENTER BY 230 PM CDT. THIS CELL
LIKELY CONTAINS SMALL HAIL...VERY HEAVY RAIN AND GUSTY WINDS TO
50 MPH.

THE ATMOSPHERE OVER ALL OF NORTH DAKOTA IS BECOMING VERY UNSTABLE
AS THE AFTERNOON PROGRESSES AND ANY ONE OF THE THUNDERSTORMS IN THE
LINE HAS THE POTENTIAL TO BECOME SEVERE AND PRODUCE LARGE HAIL AND
DAMAGING WINDS. PERSONS IN CENTRAL NORTH DAKOTA SHOULD BE PREPARED
TO SEEK SHELTER IF THREATENING WEATHER APPROACHES.

LEBLANG

NDZ001>011-241900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
215 PM CDT FRI AUG 24 1990

...STRONG THUNDERSTORMS ARE MOVING THROUGH CENTRAL NORTH DAKOTA...

AT AT 210 PM CDT WEATHER RADAR CONTINUED TO DETECT A LINE OF
THUNDERSTORMS...SOME WITH VERY HEAVY RAIN AND SMALL HAIL...MOVING
EAST AT 15 MPH THROUGH CENTRAL NORTH DAKOTA. THE LINE EXTENDED FROM
THE CANADIAN BORDER 70 MILES NORTH OF MINOT TO THE SOUTH DAKOTA
BORDER 70 MILES SOUTHEAST OF DICKINSON.

THE STRONGEST THUNDERSTORM WAS LOCATED 15 MILES SOUTHWEST OF CARSON...
OR 70 MILES SOUTHWEST OF BISMARCK. THIS CELL WAS MOVING NORTHEAST AT
20 MPH AND WILL PASS NEAR THE TOWNS OF CARSON...LARK...AND FLASHER BY
300 PM CDT. THIS CELL LIKELY CONTAINS SMALL HAIL...GUSTY WINDS TO 50
MPH AND VERY HEAVY RAIN.

OTHER STRONG THUNDERSTORM CELLS WERE NEAR CENTER AND NEW SALEM.

THE ATMOSPHERE IS VERY UNSTABLE OVER NORTH DAKOTA AND
THE POTENTIAL FOR SEVERE WEATHER IS HIGH.. A SEVERE THUNDERSTORM
WATCH REMAINS IN EFFECT UNTIL 8 PM CDT FOR MOST OF WESTERN AND CENTRAL
NORTH DAKOTA.

PERSONS SHOULD BE PREPARED TO SEEK SHELTER IF THREATENING WEATHER
APPROACHES.

LEBLANG

NDZ003-005-242030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLISTON ND
230 PM CDT FRI AUG 24 1990

...THUNDERSTORMS DEVELOPING OVER NORTHWESTERN NORTH DAKOTA...

AT 225 PM CDT...NATIONAL WEATHER SERVICE RADAR IN WILLISTON INDICATED
VERY STRONG THUNDERSTORMS 50 MILES SOUTHEAST OF WILLISTON IN NORTHERN
DUNN COUNTY.

THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 20 MPH AND WILL
LIKELY MOVE INTO SOUTHERN MOUNTRAIL COUNTY WITHIN THEE NEXT 45 MINUTES.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING DEADLY LIGHTNING STRIKES...
STRONG WIND...HAIL AND BRIEF HEAVY RAIN.

IF THESE THUNDERSTORMS APPROACH YOUR AREA...SEEK SHELTER INDOORS
IMMEDIATELY.

MARTIN

NDZ003-005-242030-

SPECIAL WEATHER STATEMENT...CORRECTION TO ADD WATCH...
NATIONAL WEATHER SERVICE WILLISTON ND
230 PM CDT FRI AUG 24 1990

...THUNDERSTORMS DEVELOPING OVER NORTHWESTERN NORTH DAKOTA...

AT 225 PM CDT...NATIONAL WEATHER SERVICE RADAR IN WILLISTON INDICATED
VERY STRONG THUNDERSTORMS 50 MILES SOUTHEAST OF WILLISTON IN NORTHERN
DUNN COUNTY.

THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 20 MPH AND WILL
LIKELY MOVE INTO SOUTHERN MOUNTRAIL COUNTY WITHIN THE NEXT 45 MINUTES.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING DEADLY LIGHTNING STRIKES...
STRONG WIND...HAIL AND BRIEF HEAVY RAIN.

IF THESE THUNDERSTORMS APPROACH YOUR AREA...SEEK SHELTER INDOORS
IMMEDIATELY.

REPMEMBER...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800
PM CDT FOR A LARGE PORTION OF CENTRAL AND WESTERN NORTH DAKOTA.  THIS
WATCH DOES INCLUDE ALL OF DUNN AND MOUNTRAIL COUNTIES.

MARTIN