Severe Thunderstorm Warning 43, NWS Grand Forks, ND

Issued

Jun 9, 2002, 12:37 AM CDT (05:37 UTC)

Expired

Jun 9, 2002, 1:15 AM CDT

In force

38 min

Issued by

NWS Grand Forks, ND

Area

Counties, with a storm outline in the text

Counties Polk County, MN, Grand Forks County, ND

The Fargo/Grand Forks radar (KMVX), 40 km from the middle of the area, began a volume at 05:38 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.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

000 
WUUS53 KFGF 090537
SVRFAR
MNC119-NDC035-090615-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1236 AM CDT SUN JUN 9 2002

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

  GRAND FORKS COUNTY IN NORTHEAST NORTH DAKOTA AND   
  NORTHWESTERN POLK COUNTY IN NORTHWEST MINNESOTA.

* UNTIL 115 AM CDT.

* AT 1233 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTH OF THOMPSON...OR ABOUT 15 MILES
  SOUTH OF GRAND FORKS...MOVEMENT WAS TO THE NORTHEAST AT 25 MPH.
  ANOTHER SEVERE THUNDERSTORM WAS LOCATED NEAR NORTHWOOD...OR 25     
  MILES SOUTHWEST OF GRAND FORKS...MOVEMENT WAS TO THE NORTHEAST AT  
  25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...

  THOMPSON AT 1240 AM...
  MEKINOCK AT 1250 AM...
  BYGLAND AT 1255 AM AND
  GRAND FORKS AT 100 AM.

REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING.



LAT...LON 4781 9774 4768 9705 4795 9653 4816 9713


DTR

NNNN

NWS Grand Forks, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 8, 8:55 PM CDT, 3 hours 42 minutes earlier.

FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
855 PM CDT SAT JUN 8 2002

FORECAST CONCERNS OVERNIGHT REMAIN FOCUSED ON SEVERE THUNDERSTORM
POTENTIAL AND HEAVY RAINFALL

.CURRENT OVERVIEW...
01Z SFC ANALYSIS SHOWING CYCLONE CONTINUING TO DEVELOP IN EXTREME
EASTERN WYOMING WITH INVERTED TROF EXTENDING NORTHWARD INTO EASTERN
MONTANA. LATE AFTERNOON AND EARLY EVENING THUNDERSTORM ACTIVITY HAS
DEVELOPED IN RESPONSE TO LOW LEVEL CONVERGENCE WITH THIS FEATURE.
WARM FRONT FROM THE PARENT CYCLONE CONTINUES OVER EXTREME NORTHERN
PORTION OF SOUTH DAKOTA. SFC DEW POINTS JUST SOUTH OF THE FRONT
RAPIDLY CLIMB INTO THE MIDDLE 60S. THE DEW POINT GRADIENT REMAINS
SHARP TO THE NORTH WITH LOWER 40S REMAINING OVER NORTHEASTERN NORTH
DAKOTA.

.SHORT TERM...
THUNDERSTORM ACTIVITY WILL CONTINUE TO ORGANIZE INTO AN MCS ACROSS
THE FORECAST AREA AS 50+KT LOW LEVEL JET LIFTS 340K 850 MB THETA-E
AIR OVER THE WARM FRONT LATER THIS EVENING. 00Z ABR SOUNDING HAS A
PRECIPITABLE WATER VALUE OF 1.5 INCHES...THUS FIRST ROUND OF HEAVY
RAINFALL WILL BE SET OFF TONIGHT. CURRENT ZONE SET LOOKS IN GOOD
SHAPE SO NO AMENDMENT PLANNED FOR WORDING. UPDATES FOR SPC WATCH BOX
HEADLINES WILL DONE AT THE APPROPRIATE TIME.

.FGF...FLOOD WATCH ENTIRE FORECAST AREA TONIGHT THROUGH MONDAY.

BRAMER

Severe Thunderstorm Warnings in Minnesota, 2002Severe Thunderstorm Warnings in North Dakota, 2002Every severe thunderstorm warning in 2002

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.