Severe Thunderstorm Warning 89, NWS Grand Forks, ND

Issued

Jun 28, 1997, 1:45 AM CDT (06:45 UTC)

Expired

Jun 28, 1997, 2:15 AM CDT

In force

30 min

Issued by

NWS Grand Forks, ND

Area

Whole counties

County Becker County, MN

The Fargo/Grand Forks radar (KMVX), 141 km from the middle of the area, began a volume at 06:44 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

000 
TTAA00 KFAR 280646 RRA
SVRFAR
MNC005-280715-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
145 AM CDT SAT JUN 28 1997
 
THE NATIONAL WEATHER SERVICE IN EASTERN ND/GRAND FORKS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  215 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL MINNESOTA
 
   ...NORTHERN BECKER COUNTY
 
AT 144 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM LOCATED 15
MILES EAST OF WAUBEN...OR 45 MILES SOUTHWEST OF BEMIDJI...MOVING SOUTH
AT 20 MPH. THE TAMARAC NATIONAL WILDLIFE REFUGE IS IN THE PATH OF THIS
STORM.
 
REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO
PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
 
NG

NWS Grand Forks, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 27, 8:53 PM CDT, 4 hours 52 minutes earlier.

FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
850 PM CDT FRI JUN 27 1997

HAVE NOT HAD ALOT OF TIME TO LOOK AT ANY RAPID UPDATE MODELS WITH
SEVERE WX. SFC FRONT FROM NW TIP OF MN TO BETWEEN BIS AND JMS SHOWING
VERY SLOW EASTWARD MOVEMENT AND PROGS KEEP BOUNDARY NEARLY STATIONARY
OVERNIGHT. AIRMASS AHEAD OF FRONT VERY UNSTABLE WITH ADAP LI'S TO -10
AND SFC TD'S AOB 70. 00Z INL SOUNDING HAD A B+ AROUND 3000 J/KG. ALSO
INL SOUNDING HAD K INDEX OF 34...PWAT 1.36 ALONG WITH GOOD THICKNESS
DIFLUENCE OVER MN. ALSO RESPECTABLE MOIST CONVERGENC JUST EAST OF
BOUNDARY. WILL KEEP FLASH FLOOD WATCH GOING ALONG WITH CHC OF TSRA. ONLY
Q4UESTIONABLE AREA IS IN DVL WHICH IS BEHIND FRONT. WILL SPLIT OFF AREA
AND DROP CHC OF TSRA. TEMPS SEEM IN THE BALL PARK...WILL TAKE A LAST
LOOK AT UPDATE TIME. WILL PROBABLY HOLD OFF ON UPDATE TILL FIRST WATCH
AREA EXPIRES.
VOELKER

Severe Thunderstorm Warnings in Minnesota, 1997Every severe thunderstorm warning in 1997

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; radar from the NEXRAD Level II archive.