Severe Thunderstorm Warning 122, NWS Grand Forks, ND

Issued

Jul 7, 2000, 10:11 AM CDT (15:11 UTC)

Expired

Jul 7, 2000, 10:40 AM CDT

In force

29 min

Issued by

NWS Grand Forks, ND

Area

Whole counties; the outline is the Mesonet’s reconstruction

County Grand Forks County, ND

The Fargo/Grand Forks radar (KMVX), 64 km from the middle of the area, began a volume at 15:10 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.

000 
WUUS53 KFGF 071514 COR
SVRFAR
NDC035-071541-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
1011 AM CDT FRI JUL 7 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN GRAND FORKS COUNTY IN NORTHEAST NORTH DAKOTA

* UNTIL 1040 AM CDT

* AT 1010 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER NIAGARA...OR ABOUT 37 MILES SOUTHWEST OF
  GRAFTON...MOVEMENT WAS TO THE EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MCCANNA AT 1015 AM CDT...
  INKSTER AT 1020 AM CDT...
  HONEYFORD AT 1025 AM CDT...
  GILBY AT 1030 AM CDT...

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

LAT...LON 4812 9790 4790 9788 4792 9740 4816 9749

NNNN

NWS Grand Forks, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 7, 3:50 AM CDT, 6 hours 21 minutes earlier.

FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
350 AM CDT FRI JUL 7 2000

FCST CHALLLENGE...SVR THREAT THIS AM. ADDN TSTMS TNGT.

NEAR TERM...TSTMS ROUNDING THE THICKNESS RIDGE IN SRN MAN ARE
BEGINNING TO DROP SEWD TOWARD NRN MN...WHILE ADDN CONVECTION
DEVELOPS ACROSS THE RRV INTO NW MN...AND ALG THE SFC BNDRY FM SRN
MAN INTO ERN MT. 00Z ETA AND 06Z MESOETA MAINTAIN FAIR AMOUNT OF
INSTABILITY ACRS THE CWFA TDY WITH GOOD DEEP LAYER SHEAR THROUGHTHE
MORNING HOURS. POSSIBLE BOWECHO FORMATION OCCURRING EAST OF MOT AND
MOVING INTO NERN ND. 90+KT H3 JET STREAK EVIDENT LIFTING FM MLS INTO
ISN ATTM PROVIDING DANGEROUS KICK TO ANY ACTIVITY. WILL NEED TO
CLOSELY WATCH ANY DEVELOPMENT...WITH BIGGEST THREAT ACROSS NCNTRL
AND NERN ND THIS AM. MODELS CONTINUE TO FCST PCPN DEVELOPING DOWN
INTO THE RRV AND NW MN THROUGH TDY...SO WILL KEEP POPS IN SCT TO
LIKELY REALM TDY AND TNGT. WILL DROP FFW SINCE STORMS ARE MOVING
RAPIDLY WITH GOOD STEERING FLOW. LOCAL RAINS MAY BE HEAVY AT TIMES
BUT TRAINING ECHOS ARE NOT LIKELY. WILL NEED TO WATCH SITUATION IF
MULTIPLE ECHO PASSES SEEMS A POSSIBILITY.

MID TERM...ETA DRIVES NEXT VORT ACROSS SRN ZONES ON SAT WHILE
KEEPING NORTHERN ZONES ON DRIER NORTH END OF WEAK BOUNDARY. FOR NOW
THIS SEEMS LIKE A REASONABLE DEPICTION WITH SOME AGREEMENT FM NGM.
AVN STAYS DRY.

EXTENDED...NOT MUCH TIME TO LOOK AT EXTENDED. WILL STAY WITH
PREVIOUS PACKAGE.

.FGF...NONE.

GUST

q

Severe Thunderstorm Warnings in North Dakota, 2000Every severe thunderstorm warning in 2000

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.