Alert archive / Minnesota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 128, NWS Grand Forks, ND

July 7, 2000Pennington County, Red Lake County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 7, 2000, 11:35 AM CDT for Pennington County, Red Lake County, Minnesota. It was in force for 45 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 7, 2000, 11:35 AM CDT (16:35 UTC)
Expired
Jul 7, 2000, 12:20 PM CDT
In force
45 min
Issued by
NWS Grand Forks, ND
Area
Whole counties

Counties Pennington County, MN, Red Lake County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 106 km from the middle of the area, began a volume at 16:36 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, 12:10 PM CDTHail 1Hazel, MN
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 nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 4.6 hours before the alert went out and 215 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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 5 minutes earlier.

Area forecast discussion, Jul 7, 10:30 AM CDT, 1 hour 5 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, 12:19 PM CDTSevere Thunderstorm WarningFGFBeltrami, Clearwater, Pennington31 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.