Alert archive / Minnesota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 131, NWS Grand Forks, ND

July 7, 2000Beltrami County, Clearwater County, Pennington County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 7, 2000, 12:19 PM CDT for Beltrami County, Clearwater County, Pennington County, Minnesota. It was in force for 31 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Jul 7, 2000, 12:19 PM CDT (17:19 UTC)
Expired
Jul 7, 2000, 12:50 PM CDT
In force
31 min
Issued by
NWS Grand Forks, ND
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Beltrami County, MN, Clearwater County, MN, Pennington County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 144 km from the middle of the area, began a volume at 17:21 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.

What was reported inside it

TimeReportWhereRemark
Jul 7, 12:30 PM CDTHail 0.75High Lndg, MN

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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 7, 12:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 5.3 hours before the alert went out and 176 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, International Fa, MN at 12:00Z on 2000-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 12:00Z on 2000-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
911 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
229 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS53 KFGF 071721
SVRFAR
MNC007-029-113-071749-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
1219 PM CDT FRI JUL 7 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WEST CENTRAL BELTRAMI COUNTY IN NORTH CENTRAL MINNESOTA   
  EXTREME NORTHERN CLEARWATER COUNTY IN NORTHWEST MINNESOTA          
  SOUTHEASTERN PENNINGTON COUNTY IN NORTHWEST MINNESOTA

* UNTIL 1250 PM CDT

* AT 1216 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER PENNINGTON COUNTY...OR ABOUT 24 MILES EAST
  OF THIEF RIVER FALLS...MOVEMENT WAS TO THE EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL REMAIN IN RURAL AREAS OF   
  WEST CENTRAL BELTRAMI
  EXTREME NORTHERN CLEARWATER
  SOUTHEASTERN PENNINGTON COUNTIES

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT FRIDAY EVENING FOR
NORTHWESTERN MINNESOTA AND SOUTHEAST NORTH DAKOTA.



LAT...LON 4802 9587 4797 9573 4790 9510 4816 9510

NNNN

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Forks, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 7, 10:30 AM CDT, 1 hour 49 minutes earlier.

Area forecast discussion, Jul 7, 10:30 AM CDT, 1 hour 49 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1030 AM CDT FRI JUL 7 2000

-14C TEMP REPORTED AT 500 HPA ACRS SRN MAN WHICH IS COOLER THAN
MODELS HAVE FCST. SAME AT 700 AND 850 HPA. COOLER AIR THAN XPCD IS
CREATING TSRA ACRS CWFA. 88D HAS TSRA OVR GFK COUNTY AND BELTRAMI
MOVG E. WL KEEP CHC TSRA FOR TDY. WL CHECK ZONES.

.FGF...NONE.
HOPPES

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 7, 2:49 AM CDTSevere Thunderstorm WarningFGFClay31 min
Jul 7, 10:26 AM CDTSevere Thunderstorm WarningFGFBeltrami29 min
Jul 7, 11:06 AM CDTSevere Thunderstorm WarningFGFPolk29 min
Jul 7, 11:35 AM CDTSevere Thunderstorm WarningFGFPennington, Red Lake45 min
Jul 7, 12:30 PM CDTFlash Flood WarningFGFPennington, Polk, Red Lake4 hr
Jul 7, 12:51 PM CDTSevere Thunderstorm WarningFGFPolk29 min
Jul 7, 1:19 PM CDTSevere Thunderstorm WarningFGFPolk46 min
Jul 7, 5:23 PM CDTSevere Thunderstorm WarningFGFWilkin32 min
Jul 7, 5:32 PM CDTSevere Thunderstorm WarningFGFOtter Tail43 min
Jul 7, 6:10 PM CDTSevere Thunderstorm WarningFGFGrant30 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2000Every severe thunderstorm warning in 2000

Sources

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.