Public Information Statement
Issued by NWS Grand Forks, ND

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NOUS43 KFGF 050140
PNSFGF
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024-
026>030-038-039-049-052>054-050645-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE GRAND FORKS ND
839 PM CDT THU SEP 4 2014

...PUBLIC INFORMATION STATEMENT...

...EARLY MORNING STORMS YIELD WIDESPREAD DAMAGES BUT NO CONFIRMED
TORNADO REPORTS THUS FAR...

...BACKUP PUBLIC WARNING SYSTEMS WORK WELL IN SPITE OF WIDESPREAD
COMMUNICATIONS OUTAGES...

A SERIES OF STRONG TO SEVERE SUPERCELL TYPE THUNDERSTORMS TRACKED
ACROSS FAR SOUTHEAST NORTH DAKOTA AND WEST CENTRAL MINNESOTA
BETWEEN 3 AND 7 AM CDT... ON THURSDAY MORNING... SEPTEMBER 4TH.

A SEVERE THUNDERSTORM WATCH WAS IN EFFECT FOR THIS AREA... ISSUED
BEFORE 2 AM... AND SEVERAL SEVERE THUNDERSTORM... TORNADO... AND
FLASH FLOOD WARNING WERE ISSUED AS THESE STORMS MATERIALIZED.

THE TORNADO THREAT APPEARED HIGHEST ALONG A FAIRLY NARROW CORRIDOR
STRETCHING FROM SOUTHEASTERN BARNES COUNTY...ALONG THE CASS AND
RICHLAND COUNTY LINE IN NORTH DAKOTA... ALONG THE CLAY AND WILKIN
COUNTY LINE IN MINNESOTA... THROUGH NORTHERN OTTER TAIL COUNTY AND
SOUTHERN WADENA COUNTY.

THE NATIONAL WEATHER SERVICE OFFICE IN GRAND FORKS HAS RECEIVED
NUMEROUS REPORTS OF GOLFBALL THROUGH BASEBALL AND LARGER SIZED
HAIL... WIDESPREAD TREE AND SHINGLE DAMAGES... AND HEAVY RAINS
LEADING TO LOCALIZED FLASH FLOODING. ALL THESE REPORTS ARE POSTED TO
OUR OFFICE WEBSITE AND OUR LOCAL STORM REPORTS FILE.

AS OF THIS EVENING NO CLEAR REPORTS OF TORNADIC SCALE DAMAGES HAVE
BEEN RECEIVED. WE WILL CONTINUE CONTACTING STORM SPOTTERS AND LOCAL
PUBLIC SAFETY OFFICIALS THROUGH THE COMING DAYS AS WE CHECK FOR ANY
ADDITIONAL DAMAGES.

MEANWHILE...PERSONS WHO MAY HAVE RECEIVED SIGNIFICANT STRUCTURAL
DAMAGES DUE TO THESE STORMS ARE ENCOURAGED TO REPORT SUCH DAMAGES TO
THEIR LOCAL OFFICIALS.

SEVERAL NOAA WEATHER RADIO TRANSMITTERS IN THIS STORM AFFECTED AREA
EXPERIENCED PROLONGED OUTAGES DUE TO TELECOMMUNICATIONS ISSUES
DURING THE HEIGHT OF THE STORMS. HOWEVER...BACKUP PUBLIC WARNING
SYSTEMS WERE IN USE AND WERE ABLE TO PROVIDE WARNING NOTIFICATIONS
BY A VARIETY OF MEANS. FOR INSTANCE...LOCAL DISPATCH CENTERS AND
CRITICAL INFRASTRUCTURES WERE CONTACTED DIRECTLY THROUGH HOTLINE
PROCESSES. THESE IN TURN ALLOWED LOCAL PUBLIC SAFETY OFFICIALS TO
ACTIVATE ANY LOCAL CODERED TYPE SYSTEMS. STATE RADIO AND PUBLIC
RADIO OUTLETS WERE STILL ABLE TO BROADCAST BACKUP ALARM TONES.
PLUS...ALL INTERNET NOTIFICATION SYSTEMS REMAINED INTACT ALONG WITH
THE WIRELESS EMERGENCY ALERT /WEA/ MESSAGING SYSTEM WHICH IS
AVAILABLE ON MANY SMARTPHONES.

ALL NOAA WEATHER RADIO TRANSMITTERS AND THEIR SERVICING
TELECOMMUNICATIONS LINES WERE BACK IN SERVICE BY MID MORNING.

$$
GUST









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