Alert archive / Minnesota / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 2, NWS Grand Forks, ND

April 16, 2002Lake of the Woods County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Apr 16, 2002, 10:39 PM CDT for Lake of the Woods County, Minnesota. It was in force for 36 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 16, 2002, 10:39 PM CDT (03:39 UTC)
Expired: Apr 16, 2002, 11:15 PM CDT
In force: 36 min
Issued by: NWS Grand Forks, ND
Area: Counties, with a storm outline in the text

County Lake of the Woods County, MN

What was reported inside it

Time	Report	Where	Remark
Apr 16, 11:00 PM CDT	Thunderstorm Wind	Baudette, MN	Tree limbs were blown down.

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.

Issued	Product	Office	Lasted
Apr 16, 5:45 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Apr 16, 10:15 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 3.7 hours before the alert went out and 95 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: 1478 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 1370 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 168 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 170339
SVRFAR
MNC077-170415-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1039 PM CDT TUE APR 16 2002

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...

  EAST CENTRAL LAKE OF THE WOODS COUNTY IN NORTH CENTRAL MINNESOTA.

* UNTIL 1115 PM CDT.

* AT 1036 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES SOUTH OF BAUDETTE...OR ABOUT 38 MILES
  SOUTHEAST OF WARROAD...MOVEMENT WAS TO THE NORTH AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...

  BAUDETTE AT 1045 PM.

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM WEDNESDAY
MORNING FOR NORTH CENTRAL MINNESOTA. A SEVERE THUNDERSTORM WATCH ALSO
REMAINS IN EFFECT UNTIL MIDNIGHT WEDNESDAY MORNING FOR NORTHWESTERN
MINNESOTA AND EASTERN NORTH DAKOTA.

LAT...LON 4862 9476 4856 9450 4911 9416 4919 9448
23

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 16, 7:44 PM CDT	Severe Thunderstorm Warning	FGF	Otter Tail	46 min

Nearby

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

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.