Severe Thunderstorm Warning 51, NWS Bismarck, ND

NDZ001>011-070030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
630 PM CDT FRI JUL 6 1990

...THUNDERSTORMS DEVELOPING IN WESTERN NORTH DAKOTA...

AT 620 PM CDT...RADARS SHOWED SCATTERED THUNDERSTORMS BEGINNING TO
DEVELOP IN WESTERN NORTH DAKOTA. THE STRONGEST STORM WAS LOCATED
OVER THE NORTH UNIT OF THEODORE ROOSEVELT NATIONAL PARK...WHICH IS
ABOUT 40 MILES SOUTHEAST OF WILLISTON. THIS STORM HAD GROWN VERY
RAPIDLY AND LIKELY CONTAINED BRIEF HEAVY RAIN.

OTHER LESS INTENSE STORMS WERE DETECTED IN THE SOUTHWEST PART OF THE
STATE. ONE WAS LOCATED ABOUT 10 MILES SOUTH OF NEW ENGLAND OR 35 MILES
SOUTH OF DICKINSON. THE OTHER STORM WAS IN THE SOUTHWEST TIP OF THE
STATE OVER T$HE TOWN OF BOWMAN.

THESE STORMS HAD RECENTLY DEVELOPED AND MOVEMENT COULD NOT BE
DETERMINED.
LM

NDZ001>011-070130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
730 PM CDT FRI JUL 6 1990

...THUNDERSTORMS IN WESTERN NORTH DAKOTA...

AT 720 PM CDT...RADARS SHOWED A SCATTERED LINE OF THUNDERSTORMS IN
WESTERN NORTH DAKOTA. THE LINE EXTENDED FROM THE KILDEER MOUNTAINS...
60 MILES NORTH OF DICKINSON...TO NEAR REEDER...55 MILES SOUTH OF
DICKINSON. A SEVERE THUNDERSTORM WAS AT THE NORTH END OF THIS LINE IN
THE KILDEER MOUNTAINS. A%NOTHER STRONG THUNDERSTORM WAS AT THE SOUTH END
OF THE LINE NEAR REEDER. THE THUNDERSTORMS WERE MOVING TO THE EAST AT
30 MPH.

HEAVY RAIN...HAIL...STRONG WINDS...AND FREQUENT LIGHTNING ARE LIKELY
WITH THESE THUNDERSTORMS.