Alert archive / Minnesota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 12, NWS Grand Forks, ND

May 5, 2000Lake of the Woods County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at May 5, 2000, 11:20 PM CDT for Lake of the Woods County, Minnesota. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 5, 2000, 11:20 PM CDT (04:20 UTC)
Expired: May 5, 2000, 11:50 PM CDT
In force: 30 min
Issued by: NWS Grand Forks, ND
Area: Whole counties

County Lake of the Woods County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 227 km from the middle of the area, began a volume at 04:19 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
May 5, 9:15 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 4.3 hours before the alert went out and 120 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 443 J/kg
Mixed-layer CIN: -150 J/kg
Mixed-layer LCL: 1590 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 245 m²/s²
0-3 km storm-relative helicity: 497 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KFGF 060421
SVRFAR
MNC077-060450-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
1120 PM CDT FRI MAY 5 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL LAKE OF THE WOODS COUNTY IN NORTH CENTRAL MINNESOTA

* UNTIL 1150 PM CDT

* AT 1119 PM CDT...NATIONAL WEATHER SEVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES SOUTHWEST OF ANGLE INLET...OR ABOUT 40
  MILES NORTHEAST OF ROSEAU...MOVING EAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ANGLE INLET AT 1125 PM CDT
  FLAG ISLAND AT 1130 PM CDT

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

$$

LAT...LON 4935 9530 4904 9527 4906 9433 4939 9428

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 May 5, 8:55 PM CDT, 2 hours 25 minutes earlier.

Area forecast discussion, May 5, 8:55 PM CDT, 2 hours 25 minutes before

FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
855 PM CDT FRI MAY 5 2000

SEVERE THUNDERSTORMS CONTINUE TO FIRE OVER NW MN THIS EVENING...WITH
SVR THUNDERSTORM WATCH JUST ARRIVING. MOST ACTIVITY CONFINED ALONG
AND NORTH OF SFC BOUNDARY ATTM WHERE BEST MOISTURE CONVERGENCE
LOCATED. WITH MAIN UPPER LEVEL SYSTEM STILL WELL OFF TO THE
SOUTHEAST AND WITH SFC LOW STILL HOLDING OVER ERN WY...LOOK LIKE IT
WILL BE A BUSY NIGHT.

WILL NOT MAKE ANY ADJUSTMENTS TO ZONES OTHER THAN ADDING IN WATCH
WHICH WILL BE ISSUED SHORTLY.

RJT

The office that day

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

Issued	Product	Office	Counties	Lasted
May 5, 8:12 PM CDT	Severe Thunderstorm Warning	FGF	Kittson, Marshall, Roseau	33 min
May 5, 8:44 PM CDT	Severe Thunderstorm Warning	FGF	Kittson, Marshall, Roseau	46 min
May 5, 9:28 PM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Lake of the Woods, Roseau	42 min
May 5, 9:28 PM CDT	Severe Thunderstorm Warning	FGF	Marshall	42 min
May 5, 10:03 PM CDT	Severe Thunderstorm Warning	FGF	Lake of the Woods	37 min
May 5, 11:13 PM CDT	Severe Thunderstorm Warning	FGF	Kittson, Roseau	32 min
May 6, 12:12 AM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Clearwater	28 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2000 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.